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LUA02-067
A B C 0 E F 6 H I J K L M N 0 P Q R 5 T U V W X Y Z i i 1 i 2 vic(,_ 4 Lake Washington A 5 0 4' \ j Irj�er� 9 g . 4.bo,- 10 .`16 8' s. r 1 — 12' • 1 t t'_ ..\ 9— — 12 Temporary Sawmill _ a _ • Dredge -- -- —__ — Storage A `.. _ 11 13..... — II iiii Oy .cP) SCALE a_...-----011 Lumber Storage 300' ❑ 0' 50' 100 200' y Barbee Mill Company '''''''''% Bark Dredging - 2002 Bark Removal Area ,Q City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o 0 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade.CAD Cross-Section A-B SCALE 2 ' 50' 100' Sawmill A 4X Vertical Exageration B 24' 22' OHWL (21.8' MSL) 20' _.4/ 18'— 14' '1/ 1 '— icy7 12' Estimated Bark Thickness ���/� 4 , ,-. 4'— -2' _ I I Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B - 11 City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" o o • L&AURML 3/02,updated 5/02 ONO Barbee Mill Company,P.O.Box 359.Renton Washington 98057 till File: E:\drdg2002\TDSA.CAD • Cross-Section C-D SCALE 2I' 50' I(10' C D Dewatering Sediments r _ 26' 7 erm 11/ Existing Grade -01 38'- 36— 34' 32' 15' 30' 28' Dewatering Sediments Berm 26' Berm 24' Existing Grade 22' 20' 3X Vertical Exageration 1.11 Bark Dredging - 2002 TDS Area - Cross-Section C-D I o City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" L&Al/RML 3/02,updated 5/02 CD Barbee Mill Company,P.O.Box 359,Renton Washington 98057 Fik: E:\drdg2002\TD5A.CAD �J Lake Washington NOTES: C &dr9 Remove paving for expanded dredge dewatering area e Excavate approximately 4-6 feet and berm Replace paving at project completion Remove TruckLift Remove former rail loading/unloading dock 'I. Dredge Dewateri n• Area za ' 1\i\//1 / May Creek 6d�. Delta 0 9c� ,, day 9 Remove former rail • 0cts—* loading dock o\W.-(Zl's) ! ' ' IIII Remove IIII °r,ye ii Truck Lift IIjIIIII rI�J i IIII III Scale: D IjI .t 0' 10' 25' 50' 100' IIIIjII III _0 _` \` IIIIIIII i Bark Dredging - 200211Nw1AJ i Tr'._Ikltyt,!w3;1 Q NoT! ac io•�ri� Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" o ,0 Barbee Mill Company,P.O. Box 359,Renton Washington 98057 L&AI/RML. 3/02, updated 5/02 n File E:\drdg2002\TDSA.CAD a i, + 93q BECERED Li CO z • ,r �� n it.;.' 4i a .-h Al"' „ N.L31-24_S : • E r 1.47.:� Y I. i� - '''; f. I x WASw �„. ' i yea i • `0 C 4...� • I I�� o n R RY�� �a���4. �i �lI��R�I j 1� — 0 I hal O i, fig\iiZZ11a •® \ i N —tea • Is- -Di Ti Kileviiiii*.t] .,),,_ +��� Allarogri ion ic;b.e/i/N I.,. • EMT INI -• is bilk . .. . SU I , um 11404,4 la .r— iirsi 60 . ' i< -. km. - illik13. lit% 111 88 II' il6 (141 4. . III , . 3J H'Ilman Blvd. :. • -.'° o. m- _ �q 2, , .., - - - 1 T1/4 .,- . ,, ,,,,,, Po, --:-.3 : 1- E Zitilfi i - 11 , ,, v. xx • ;ii .. ..,t 1. pm ' : - U .:;' i ._ 114 , ---, _....2: ';''•I i %lip, r_ . ' x, , Pa ,. 1 ..... • ,_.... 0_ sit italleigatri-- ' ": _.-, s4 Q., , 41 I i 1‘_ • i ji . 0 .. ihoz I.7.'. -;1„,,,„,.. NI kri FA 70 411 - ,r, _ L>,„ ,!. co .r, - . . .,i, .3iiiiiAlkOM 1 !all- (6‘ / -., 1 ' 0 , N LLLiii "".Rl l / - - Z g e N Interstate 405 SEE DRAWINGS) J igliborhood D=tail Map COR % ,�r "it 3 rk/Jebris Dred�e-2002 l " if -1L--- i • (,- ,m I4iiims 1' 'arbee MIII company / INTH • . ," i Al ., • • 1 ,. i 1 COR 1 „/; !ri COR i , ,, . _I.--_ -' . . . ,, .,,,,, ; a •, -r , , 4 ,, . • ... ... , z , ., .z.......„...„,, _ . .•\.,40, 1 I 4i'0 X CA r in ; i . irl i -%, 4 - -;- ..., ..,,,, ,...) „ .r 4 o t. -- --- .= SE 40th Street ---iii-.-:,.. cp �%Isl `er sws WI*. :.. 4 R 8 L_ .. - "r4�M R-8 `` .. 7 ��An r 5 1 , 4 • l r[1 n;�w$ r grip"-15 i,.... IN 36th Street . r MIVOnmagitri I±� 21' !l 634etu-U425-03 HUNT THOMAS R+CARYL J 539999 3916 LAKE WASHINGTUN BLVD N RENTON WA 98056 334270-U427-U1 NICULI BRUNO I L SAKAH C 1D3421 3404 BURNETT AVE N RENTUN wA 9806o 32403-9050-09 THOMSUN NEIL 741859 PU BUX 7o MERCER ISLAND WA 98040 3L24J -9058-J1 MELINA PATRICIA S M 479999 4004 LAKE WASHINGTON BLVD N KENTON wA 9805b ✓YY'1•Y'1"i"Y`1` PYY•rr rr•r•r Y`Yv=t•+"Y`••'•rY'YMY P'Y Y'NM MYr * BATCH NUMBER: 0A • CUSTOMER NAME MICriA=L LLOY:i 221[00-001U-08 JJHIJSJN STcwART w 11y9y9 4100 LAKE wASHINGTUN nL N :.A101 tENTJN AA 930s6 292403-10J -J3 JUEADALL TERMINALS PO BOX 477 KCNTON WA 9B053 [944 03-90JS-J0 BUKLINuTUN NORTHRN SANTA FEJy,i7o4 Arm: PROP TAX PU d0X 9o16y FORT NORTH TX 76101 3[24JS-90U -J3 3URLINGTON NURTHr(N :MANTA FEJ907b4 ATTN: PROP TAX PJ DoX 90139 FORT WOrRTH TX 701b1 322405-9J34-00 BARBEE FOREST PRODUCTS INC ONZ01T BOX 359 RENTON wA 96057 • 32405-9030-08 HICKS GARDNER w :091607 4008 LAKE MASH BLVD N 4 RENTON WA 96,36 3240D-9039-J5 BALD IN LJNALJ P 30J537 4017 PARK AVE A RENTON AA 90050 32240J-9049-03 PORT END ALL COMPANY 111437 505 5TH AVE 3 49Jo SEATTLE NA 90104 COMMENTS 221200-0010-08 JOHNSUN STEWART w 219999 4100 LAKE wASHINGTON HL N ;;A101 RENTON WA 93056 292405-9002-03 UENDALL TERMINALS PU 6OX 477 RENTON wA 98055 242405-9005-00 buRLINGTUN NJRTHRN SANTA FEJ9071,4 ATTN: PROP TAX PU 6OA 96159 FURT wUi(TH TX 76161 312405-400 -J5 3UKLINGTON N0ITHRN SANTA FEJ907o4 ATTN: PROP TAX PU 60X 96189 FUr2T WORTH TX 761b1 311405-`iu34-D0 bAr28EE FOREST PRODUCTS INC ON2017 bOX 359 RtNTO4 CIA 98057 322405-9036-08 HICKS GARDNER w ' 091687 4008 LAKE MASH BLVD N 0 4 RENTON wA 98056 S22405-9039-05 bALDWIN DONALD P 900537 4017 PARK AveN REiNTON wA 98056 322405-9049-03 PORT QUENDALL COMPANY 111437 505 5TH AVE S r9OJ SEATTLE AA 93104 322405-9059-00 HICKS GARDNER J91668 4008 LAKE WASH BLVD N :4 RENTON wA 98056 322405-9031-02 FAwCETT CLARISSA 149800 4008 MEAD0W AVE N RENTON WA 98050 334270-0005-01 BARBEE FOREST PRODUCTS INC 519999 4101 LAKE WASHINGTON BLVD N RENTON WA 93057 334270-0070-01 8UYJSTUN TONY 9b9999 3901 LAKE WASH INGTJN BLVD N RENTON wA 98056 334270-0080-09 ZILMER MARK E+AOSE,44RY 949999 3637 LAKE WASHI,NGT BLVD N RENTUN wA , 98056 334270-U415-05 0 HUNT MARGARET E 100782 3908 LAKE WASHLNGTOI=Lv ,, v RENTON WA 98056 1.1`Y OZ-ob7 —1 ® 0 Lloyd &Associates, Inc. 38210 SE 92nd Street,Snoqualmie,Washington 98065 425-888-1905 rm1@centurytel.net Novermber 2, 2002 PROGRESS REPORT To Leslie Nishihira From: Michael Lloyd /iil RE: Barbee Mill Dredging Final Progress Report: 92006 Week Ending 11/1/02 I can report that our project team has completed all dredging at the Barbee Mill company. Early next week Manson Construction will be demobilizing, and the site will be returned to its pre-dredging condition. Closing out dewatering areas, removing the in- water silt curtain, and upland management will continue on for a few more days as this projects comes to a close. Verification Sampling was conduted by Anchor Environmental. Preliminary results indicate that all 20+ samples met sediment management criteria incorporated into the MTCA independent cleanup agreement with the Department of Ecology. Our findings will be summarized in a report to the Department of Ecology. I will provide a copy to the City of Renton. cc. Robert Cugini 1 . t-AYt oz-oto`I t° " Lloyd &Associates, Inc. ....._.-.__,_..., „..._,.. —-- 38210 SE 92nd Street,Snoqunlmie,Washington 98065 425-888-1905 rm1@centurytel.net September 9, 2002 DEVELOPMENT P ONNING PROGRESS REPORT SEP 1 2 2002 • RECEIVED To Leslie Nishihira From: Michael L d RE: Barbee Mill Dredging Progress Report: 92006-9/9/02 Dredging for the removal of bark anti wood debris is progressing relatively quickly at Barbee Mill even though this has been a short week. Currently, crews are working in Bark Area B as shown in the attached figure. To date we have removed approximately 8,000 cy of material. Warm weather and long days have greatly facilitated the dredging and dewatering of dredge spoils. As dredged, the upper layer of bark tends to occur in thick mats as depicted in project i plans. Unlike Area A, dredged material from areas B & C also contain substantial amounts of interbedded sawdust, bark, burnt wood fragments and sediments that give the appearance of peat. Nevertheless, most of the dredged material from Area B appears to be cleaner and that is supported by analytical data indicating that carcinogenic polynuclear aromatic hydrocarbon (cPAH) concentrations are less than the 0.137 ug/Kg cleanup level. Material exceeding this concentration is being stockpiled for off-site disposal in a permitted facility. Dredging for the temoval of bark and wood debris is anticipated to be complete in 3-4 weeks if favorable weather conditions prevail and dredged tnaterials continue to be manageable. We have noticed an increase in the silt content as we progress northward in dredging. Increased silt content slows the dewatering process, but to date this has not 'been a substantial factor. Upland work crews have shown a remarkable flexibility and willingness to do what it takes to get the job done. The Corps of Engineers continues to lower Lake Washington. Currently lake elevation is approximately 18" lower than the OHWL (21.8' MSL). • • if A 4 4 F ¢ IH T T K 4 M " 9 ! 9 R , T Y Y ' x Y I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I 1 I I I I I I I I_—_ I I _I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I I I I t J 1 L I I 1 4--- ---L J 1 1 1 L I J 1 h--'- 4 -take-WaShIflgtbfl4 _. _ I I I 1 II I 1 i 1 t I 1 I 411114,I ! I I I I I1 I 1 I I I I 1 A ,--T" I I "—r-- I I I I 1 ( I I I + 1 +'I ,1_ __I- I I I I I I I I I 1 420 1 1 i I I L ._ 1 1 Area 1B _ � J L I 1 , I il' i , i I —�--- _--- I I I 1 I 1 I 1 1 ---4— f 1 I I 1 I I I I f I ! ___1 1 .�� I 4' r I i } 1 y I 1 I I 1 ,i' .. I I I I I I I I -t 1 1 - . =4 3 - - - -_ eaG I 1 I 1 I �j I -, 1 -+—,_ i —Y �QJ � I � I I I —I— I I I VV �♦ ��i_ 1 I 1 e 1 1 1 1 1 .--.i --1--_ 1 1 9-s`'IDf� 12' _ r r _ - I �� 1 —r __— —— I I I ,��� , I ( L — I - i- I --1—� I-- I I I 10 1 �, ' Area --1- ---7 r_ -- 1 1 1 1 1 r . I --1 _ I I 12 it- IE -1. �K. ,I I I I I l t 1 1 i — ———L——— — 16'1 1 Imo, 1 1 1 1 Temporary . 1 I 1 1 12 �I _ _ _, = Sawrrf�ilt Storage A ea : — ,—_ - —f-I -- - I I I I I I I 1 T r 7 r I n f r I I I 1 I 1 I B� /,,,,, SCALE 10111 'i,"', I I Lumber Storage 0,,,,,;' 50, 100 2_0 300' M s yCr�°k Barbee Mill Company Bark Dredging - 2002 Bark Removal Area IQ City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o 0 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 9/9/02 r] File: E:\dredge2002\fingrade.CAD LU i vC- v(G • ................ o Lloyd &Associates, Inc. 38210 SE 92nd Street,Snoqualmie,Washington 98065 425-888-1905 rm1@centurytel.net September 2, 2002 PROGRESS REPORT of„(.oF p To Leslie Nishihira Sep Fp�.GNN'NG From: Michael Lloy 1. ' REC Eo RE: Barbee Mill Dredging Progress Report: 92006-8/29/02 Dredging at the Barbee Mill Company is progressing very well with the removal of bark and woodwaste form Lake Washington. To date we have completed the dredging of Area A (with the exception of a small area near the log lift), as designated in project plans and permits. Warm weather and long days have greatly facilitated the dredging and dewatering of dredge spoils. Work has begun on Areas B and C as shown in the attached figure. As dredge spoils are off-loaded from barges, composite samples are prepared from individual grab samples and delivered to the laboratory for chemical analyses at Analytical Resources, Inc. (Seattle, WA). Currently, the lab is able to provide 48 hour turn-around for results. Dredge spoils are stockpiled upland until lab results are available to make the determination of whether dredge spoils are suitable for approved upland uses or disposed off-site at either Rabanco or Waste Management facilities under cleanup criteria established by the Department of Ecology. The primary contaminants of concern are polynuclear aromatic hydrocarbons (PAH's) believed associated with the 1957 fire at the Barbee Mill Company. A significant amount of burnt wood fragments has been found in dredged sediments. Verification sampling of Area A was conducted in mid-August. Although lab results are not yet available, the expectation is that work on Area A is complete with the exception of a small area near the log lift, as indicated in the attached figure. Most of the dredged material has contained high percentages of bark mixed with relatively coarse sand. Sediments progressively distal to the mill tend to contain more silt and frequently present dewatering problems for our project team. Water Quality monitoring results are positive and indicative of very good water quality within the active dredge area. No observable impacts on fishes have resulted from dredging. Turbidity and dissolved oxygen levels are well within acceptable criteria for Lake Washington. Our project team expects to complete dredging in mid-October, assuming that weather conditions do not deteriorate significantly. Currently, we are approximately two-thirds complete with the restoration of aquatic lands at Barbee Mill Company. Our expectation tarbee Mill Company- Dredging 2002 is that we will dredge the May Creek Delta after completing the removal of bark and wood debris. On an ecological note, the young Osprey are learning to fish in nearby waters. The Osprey are very wary of humans but seem to be unconcerned about heavy equipment operating nearby. Work crews have enjoyed watching the fledglings learning to fly and to fish. Seagulls and blackbirds have enjoyed the feast of freshwater clams that are dredged from the periphery of the dredge area where sediments are relatively clean. A doe and fawn have also been observed in the May Creek corridor near the mill in the early morning hours. In response to citizen complaints about noise, we have adjusted working hours to a 7 AM to 5:30 PM work shift, Monday through Friday. cc. Robert Cugini • Progress Report 8 29 02.doc Page 2 of 2 ci 94 F i I 1 1 I 1 t I 1 1I 1 11111 I 1 I I 1 I 1 I 11 I a { 11 I I I 1 1 1 � I I I I I I 11 111 1 1 1 1 1 1 1 I 4----T -Waghingi I A. in-T- --r-- ..... .- _"---- 1 f---TiT---r-- 1 I 1 1 1 I 1 r I I 1 I I 1 1 j , I I I I I I I I 1 1 1 1 1 i i > ,.L _ _L-- I I I I 1 1 1 I 1 I1 - --I1 a'----I-- - --1 ,/ -a- ,-1 --I :. _ -- --i--- -- ---4 I----- -I---"}---L- I- -I 4' 1 i_ I -�- -7 ea -_ I '/ 8 -1---7 -r - _ =1 -'Y- - -r- --_� __ __ --1---Y---t- r -t -t---r- ner \ ,7jy 1 +__ I -r ,< L- 1 1 I I -1 I I I I % ?.� r 4. 12rYY - 1 --r--- "i I - Area A J ......._ : ____ 16,.... Illa n _ - 1 1- f 1 I __-J--- hlareen EiN : 1 1 -emporary ' L� - -d - -_ i --i- � 1 , I -'-� �aw It , -I---K- ---- - 1 Dredge -- I ___,---1-,------ ---i-- - ------- --1---1----1---L------1........L---I 13 9 r _ 1 1 1 Storage A-ea 1 I 1 I I T r - 1 7 r r I '"___-i- - I I I I I I Ti I I I I I I I I I I I I I I 1 1 I 1 I I I I I 14 I - I 1 1 1 1 1 1 1 1 1 1 1 I 1 1 I 1 I I I 1 1 I I I n 1 I I I I I I I I .93 ,,,//,i SCALE O. i ,' umber Storage I I i , ,,; 0 50 100 230 300' M , 1II (---- Barbee Mill Company Bark Dredging - 2002 Bark Removal Area iQ City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o o Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade,CAD I „: CIT1 OF RENTON nJesse Tanner Mayor Hearing Examiner Fred J.Kaufman September 10,2002 Robert Cugini Barbee Mill Company PO Box 359 Renton,WA 98057 Re: Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME Dear Mr.Cugini: The Hearing Examiner's Report and Decision on the above referenced matter,which was issued on August 26,2002 was not appealed within the time period established by ordinance. Therefore,this matter is considered fmal by this office and the file on your application is being transmitted to the City Clerk as of this date. Please feel free to contact this office if further assistance or information is required. Sincerely,^ j .ji6u...,H4.......____ Fred J.Kaufman Hearing Examiner FJK:kw cc: Lesley Nishihira,Project Manager Andree DeBauw,Development Services 1055 South Grady Way-Renton,Washington 98055-(425)430-6515 RENTON �� AHEAD OF THE CURVE :., This paper contains 50%recycled material,30%post consumer AFFIDAVIT OF PUBLICATION NOTICE OF ENVIRONMENTAL Barbara Alther, first duly sworn on oath states that he/she is the Legal Clerk of the DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE SOUTH COUNTY JOURNAL RENTON,WASHINGTON The Environmental Review 600 S. Washington Avenue,Kent,Washington 98032 Committee has issued a Determination of Non-Significance- a daily newspaper published seven(7)times a week. Said newspaper is a legal newspaper of underMitigated for the following project generalpublication and is now and has been for more than six monthsprior to the date of Municipal theauthorityd of the Renton Code. publication, referred to, printed and published in the English language continually as a daily BARBEE MILL DREDGING II newspaper in Kent, King County,Washington. The South County Journal has been approved as a LUA-02-067,ECF,SM,SP legal newspaper by order of the Superior Court of the State of Washington for King County. Environmental review to perform drThe notice in the exact form attached,waspublished in the South CountyJournal and Washingtonashing antiviti to within the Lake ( water body for the not in supplemental form)which was regularly distributed to the subscribers during the below benefit of fisheries and shallow stated period. The annexed notice,a water habitat. Location: 4101 Lk. Washington Blvd. Appeals of the environmental Barbee Mill Dredgeing II determination must be filed in writing on or before 5:00 PM July 22, 2002. as published on: 7/8/02 Appeals must be filed in writing together with the required $75.00 The full amount of the fee charged for said foregoing publication is the sum of$83.63, charged to application fee with: Hearing Examiner, City of Renton, 1055 Acct. No.8051067. South Grady Way, Renton, WA The cost above includes a$6.00 fee for the printingof the affidavits. 98055.rAppeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Legal Number 10563 �L �/�2� Additional information regarding the Ada,/, appeal process may be obtained from the Renton City Clerk's Office, (420-6510. Legal Clerk, ouch County Journal A p Public Hearing will be held by the Renton Hearing Examiner in the �— Council Chambers, City Hall, on July Subscribed and sworn before me on this (A ay of v to OJ.J ,2002 30,2002 at 9:00 AM to consider the o�oo�t�a�etiirio • Special Fill and Grade Permit. If the Environmental Determination is ``, 0... .. FE4 o,, �Q?r1 appealed, the appeal will be heard N.,.• 'stON' •, e��. ota Public of the State of Washing on as part of thispublic hearing. cos E,pA . rY 9 9 �:.`�% 4...�,1® residing in Renton Interested parties are invited to ��0 TR q y :y m attend the public hearing. :jar: King County,Washington Published in the South County —o— o Journal July 8,2002.10563 Z ^'..t, AUB I‘G a.:: o _ .. •m�.•� O:•Cto5 °101t 6 Gee i City of Renton Department of Planning/Building/Public Works Ni ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHET>� ✓IEWING DEPARTMENT: COMMENTS DUE: JUNE 20, 2002 APPLICATION NO: LUA-02-067, ECF, M,SP DATE CIRCULATED: JUNE 2 APPLICANT: Barbee Mill Company PROJECT MANAGER-LESLEY NISHIHIRA PROJECT TITLE: Barbee Mill Dredging II WORK ORDER NO: 78996 LOCATION: 4101 Lake Wash. Blvd. No. SITE AREA: 250,000 SF I BUILDING AREA(gross): N/A SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and a Hearing Examiner Special Grade and Fill Permit in order to dredge up to 20,000 cubic yards of material from the bottom Lake Washington adjacent to the Barbee Mill Company property. The removal of bark and wood debris is intended to restore aquatic lands and will have a positive benefit on fisheries and shall water habitat. The permit is requested for a period of 5-years in order to complete the independent cleanup action pursuant to review conducted by MICA, the Department of Ecology, and the Army Corp of Engineers. The proposal also requires approval of a Shoreline Substantial Development Permit. A. ENVIRONMENTAL IMPACT(e.g.Non-Code)COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use _ _Utilities _ Animals Transportation Environmental Health Public Services Energy/ Historic./Cultural I Natural Resources Preservation Airport Environment 10,000 Feet i 14,000 Feet n \ ,_- „ B. POLICY-RELATED COMMENTS C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where addi'onal information is needed to properly assess this proposal. ,k) ) - 2.-CC4J & Signature o irector or Authorized Representative Date Routing Rev.10/93 AFFIDAVIT OF SERVICE BY MAILING STATE OF WASHINGTON) ss. County of King ) Kelly Williams being first duly sworn,upon oath, deposes and states: That on the 26th day of August, 2002 affiant deposited in the mail of the United States a sealed envelope(s) containing a decision or recommendation with postage prepaid, addressed to the parties of record in the below entitled application or petition. Signature: VON , atiffit. SUBSCRIB LW SWORN to before me this-0—i,'3 y of , 2002. N D• i � ia• gr.s.�m = a 4-.1a/a PUBLIC No Public in and fpf State of Washington, 44.4; 04* Residing at SPs,t ,therein. Application,Petition, or Case No.: Barbee Mill Dredging II LUA-02-067,ECF,SP,SME The Decision or Recommendation contains a complete list of the Parties of Record. • • HEARING EXAMINER'S REPORT August 26,2002 OFFICE OF THE HEARING EXAMINER CITY OF RENTON REPORT AND DECISION APPLICANT: Barbee Mill Company PO Box 359 Renton,WA 98057 Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME LOCATION: 4101 Lake Washington Boulevard SUMMARY OF REQUEST: Approval of a Special Fill and Grade Permit for the removal of approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property. SUMMARY OF ACTION: Development Services Recommendation: Approve with conditions. DEVELOPMENT SERVICES REPORT: The Development Services Report was received by the Examiner on July 23,2002. PUBLIC HEARING: After reviewing the Development Services Report,examining available information on file with the application,field checking the property and surrounding area;the Examiner conducted a public hearing on the subject as follows: MINUTES The following minutes are a summary of the July 30, 2002 hearing. The legal record is recorded on tape. The hearing opened on Tuesday,July 30,2002 at 9:00 a.m. in the Council Chambers on the seventh floor of the Renton City Hall. Parties wishing to testify were affirmed by the Examiner. The following exhibits were entered into the record: Exhibit No. 1: Yellow file containing the original Exhibit No.2: Neighborhood Detail Map application,proof of posting,proof of publication and other documentation pertinent to this request. Exhibit No.3: Bark Removal Area/Site Plan Exhibit No.4: Temporary Dredge Storage Area Exhibit No.5: Cross Section of Dredge Area Exhibit No.6: Profiles of Temporary Storage Area Exhibit No.7: Copy of Exhibit No. 2 with Lloyd Drawings Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 2 The hearing opened with a presentation of the staff report by Lesley Nishihira, Senior Planner,Development Services,City of Renton, 1055 S. Grady Way,Renton, Washington 98055. The subject site is located in the North Kennydale area. It is designated Commercial Office Residential(COR). It is bounded on the east by Lake Washington Boulevard North,on the west by Lake Washington,on the south by R-8 property and to the north undeveloped property zoned(COR). Currently the site is used for limited lumber operations. A maintenance-dredging permit was issued by the City in 1997 to dredge materials from the delta area as well as portions along where the current dredging proposal is located. This was approved in 1997 and the Department of Ecology(DOE)has issued a letter extending to cover what is being proposed currently. On the site there is also pending applications for a soil remediation project for the upland portions of the site. There is also a preliminary plat and mixed used development proposal pending. The applicant is requesting a special fill and grade permit. Bisecting the site in a northeasterly direction is May Creek. The May Creek delta is on the southwest border of the property. The dredging will occur within the ordinary high water mark area of Lake Washington on the southwestern portion of the property. The activities are intended to benefit fisheries and shallow water habitat and restore aquatic lands impacted by past lumber mill activities. This application is intended to remove once and for all the materials that do not belong on the lake bottom so that eventually lake bottom sediments may return to their natural state. The proposal is to remove 20,000 cubic yards of material from the lake bottom areas adjacent to the mill. The project is anticipated to occur during the summer months of this year as well as in succeeding years,up until a maximum of five if necessary and would only occur outside of required fisheries windows. The project requires an approval of a Shoreline Exemption Permit,which will be forwarded to the Department of Ecology for final review. It also requires a Hydraulic Project Approval Permit from the Washington Department of Fish and Wildlife,a Water Quality Certification from the Department of Ecology and a Maintenance Dredging Permit from the Army Corps of Engineers. There is a letter in the official file,which is dated July 10,2002 from the Department of Army Corps of Engineers stating that the proposed 20,000 cubic yards fall within the Maintenance Dredging Permit previously issued for the site. The Environmental Review Committee(ERC)has issued a Determination of Non-Significance—Mitigated (DNS-M)for the project. The DNS-M included seven mitigation measures. The first mitigation measure has to do with restoring the temporary stockpile dredging area with grasses and shoreline plantings after the completion of the project. The second mitigation measure requires the applicant to comply with conditions of approval imposed by the Army Corps of Engineers which has to do with dewatering the soils using an in water silt curtain and monitoring water quality. The third mitigation measure requires the applicant to install silt fencing along the outside of the proposed dewatering area. The fourth mitigation measure requires no pumping of the water from the temporary dewatering area to be discharged from Lake Washington or May Creek. The fifth mitigation measure requires the project engineer of record to provide weekly reports.The sixth measure limits dredging activities to the permitted fishery windows between July 15th and December 15t. The final mitigation measure requires a visual monitoring of turbidity levels and water quality measurements. No appeals of these mitigation measures were filed. There are six criteria to be considered for the special permit. The first is size and location of the activity. Twenty thousand(20,000)cubic yards of bark,wood debris and bottom sediments would be removed. Bark thickness is estimated at five feet. The entire dredging activity would occur over an area estimated at 250,000 square feet of approximately 340 feet in width running perpendicular to the shoreline and 800 feet in length running parallel to the shoreline. Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 3 Subsequent to dewatering the materials would be moved upland away from the dredging area. Materials would be removed by barge-mounted equipment and moved to the temporary dewatering area. Once the materials are dewatered they will be transported off-site via either trucks or rail cars for immediate off-site handling and transport. If removed by dump trucks an estimated 10 to 15 trips a day will be necessary to remove the dredge materials. These trips would likely occur in the late morning and early afternoon hours. The removal activities would take place gradually over a period of six months in order to reduce immediate and concentrated transportation impacts. At present approximately 50 to 100 trucks enter and exit the site as part of daily mill operations. The proposal to add up to about 15 trips per day for a limited duration is not likely to result in adverse impacts to traffic volumes or patterns over existing conditions. The majority of the activity will occur within the water,which is difficult to screen or landscape. The dredge materials that will be temporarily stored on-site will be contained within an area specially designed for containment during the dewatering. It will be surrounded by berms. The dredge materials will be stored internal to that containment area and will be prevented from spilling or running off into the water by the berms. Maximum height of the dredge stockpiling will remain below 15 feet over existing grade. After the completion of the project and once all the soils are removed the storage area will be re-graded and seeded with grasses and shoreline plantings,which has been required as a SEPA mitigation measure. The temporary stockpiling on the site is not anticipated to create any adverse visual impacts that require landscaping at the present time. The present development on the site is straight asphalt with other mill type buildings. Noise will be associated with the initial dredging activities and the removal of the spoils after they are dewatered. Noise levels are not anticipated to exceed noise levels of the existing lumber mill on the site and will also be of a limited duration. Potential noise levels are not anticipated to have adverse impact on adjacent properties. Temporary erosion control measures proposed by the applicant are also likely to prevent dust from becoming a problem during this activity. Measures to prevent erosion would be implemented pursuant to conditions imposed by the Army Corps of Engineers for their approval of the project. This includes dewatering the dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff. The use of a silt fence to control turbidity in Lake Washington during dredging operations and the monitoring of water quality during construction. All of these requirements have been made S EPA mitigation measures along with the use of an in- water silt curtain and weekly reports monitoring the site. There is a soil remediation plan expected to be implemented once all approvals have been obtained. There are also proposals for mixed-use development and another preliminary plat proposal. Prior to any construction activities on the site, all land use review and approval processes must be completed. The permit would run with the land and could be transferred to future property owners. Staff recommends that the permit expire upon satisfactory completion of the proposed action and all required mitigation measures. The applicant has specified in their application material five years and it would probably be in the City's interest to put a cap on that;therefore, Ms.Nishihira changed staff's recommendation to reflect the five years proposed in the application. Michael Lloyd,Lloyd and Associates, 38210 SE 92nd Street, Snoqualmie,WA 98065, stated that he is representing the Barbee Mill Company. He began by thanking the staff for their efforts. There are no storm drains near the temporary dredge storage area. They want to avoid having any discharges to storm drains. The temporary dredge storage area allows for infiltration through the sandy gravelly bottom,which is part of the delta. This allows the sandy materials to filter out sediments that may contain some silt. They have conducted Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 4 considerable testing on the materials and there is actually very little silt in the sands and gravels associated with the dredging. However,they do drain very rapidly and contain 40 to 50 percent bark at times and in some cases higher. The equipment to be used to pull out the bark is actually land based. There is a chip bunker on-site. In response to questioning from the Examiner,Mr. Lloyd replied that in 1999 they dredged about two-thirds of Area A and in part that dredging ceased due to poor weather and the ESA requirements that went into effect at the end of 1999. Where dredging occurred and where divers were able to look at the lake bottom there has been a tremendous regeneration of aquatic plants into an area that was biologically dead with the exception of anaerobic bacteria. The immediate impacts of dredging the materials in the lake are a lot less then anticipated. The materials settle out very quickly and the biggest disturbance is within a few seconds as the sands that are pulled up with the bark settle back down. They do test the materials for other pollutants when it is removed. The Examiner called for further testimony regarding this project. There was no one else wishing to speak,and no further comments from staff. The hearing closed at 9:30 a.m. FINDINGS,CONCLUSIONS&DECISION Having reviewed the record in this matter,the Examiner now makes and enters the following: Findings: 1. The applicant, Barbee Mill Company, filed a request for approval of a Special Permit for dredging approximately 20,000 cubic yards of materials from Lake Washington. 2. The yellow file containing the staff report,the State Environmental Policy Act(SEPA)documentation and other pertinent materials was entered into the record as Exhibit#1. 3. The Environmental Review Committee(ERC),the City's responsible official, issued a Declaration of Non- Significance-Mitigated(DNS-M)for the subject proposal. 4. The subject proposal was reviewed by all departments with an interest in the matter. 5. The subject site is located 4101 Lake Washington Boulevard. The materials would be dredged from just offshore of the site at a location north of May Creek. This area was used to contain the log booms. Materials that broke free settled to the lakebed. 6. The map element of the Comprehensive Plan designates the area in which the subject site is located as suitable for the development of Office and Residential Center,but does not mandate such development without consideration of other policies of the Plan. 7. The subject site is zoned COR(Center: Office/Residential)a zoning category applied in June 1993 with the enactment of Ordinance 4404. 8. The proposed dredging is intended to restore the lakebed under an agreement with the Department of Ecology. Permits will also be needed from the Army Corps of Engineers and other state agencies. 9. Similar permits for this type of work have been issued in the past. Each removed a certain amount of the accumulated materials. The current proposal is intended to complete the operation and be the last such activity. Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 5 10. The area covered by the permit remains the same approximately 5.8 acres or 250,000 square feet. It follows approximately 800 linear feet along the shoreline and extends out into the lake approximately 340 feet. The material that would be dredged ranges up to approximately 5 (five)feet thick. 11. The materials would be moved upland to be dewatered. The dewatering would occur just to the north of the mouth of the creek where these operations have occurred under the other permits. 12. The materials would either be transported by rail or by truck. If truck were used,there would be approximately 10 to 15 trips per day. Staff does not anticipate that these additional trips would be significant in this area. 13. Traffic flow would go north to I-405. 14. Materials will continue to be tested but past testing has demonstrated that the materials are clean. 15. The upland site would be restored to its natural grade and reseeded to prevent erosion or dust. The applicant plans to redevelop the entire site and review of those plans will occur by the City. 16. A separate permit for soil remediation will be reviewed by the City. 17. The applicant proposes the operation to last approximately six months. Staff has recommended the permit expire in five years. Conclusions: 1. The proposed dredging operation appears to serve the public use and interest. The applicant proposes this as its final cleanup of materials from this area,which should allow the lake bottom to slowly return to a more productive water environment. The removal of the materials will help restore the natural environment in this area of the lake. 2. The state as well as federal agencies will oversee a variety of permits to make sure that the operation is done responsibly and does not interfere with fish migration or recovery. 3. As with earlier permits,the actual dredging operations have not generated any problems in the way of traffic,contamination or noise. 4. The size and intensity of the operation and restoration efforts appear appropriate given the nature of the site and its current uses. The truck traffic, if rail is not employed to move the materials,will not create any undue impacts on the surrounding street system. Decision: The Special Permit for Grade and Fill is approved subject to the following condition: 1. This permit shall expire five years from the date of approval. Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 6 ORDERED THIS 26th day of August,2002. FRED J. KAU N HEARING E INER TRANSMI l I ED THIS 26th day of August,2002 to the parties of record: Lesley Nishihira Michael Lloyd Barbee Mill Company 1055 S Grady Way Lloyd and Associates PO Box 359 Renton,WA 98055 38210 SE 92nd Street Renton, WA 98057 Snoqualmie, WA 98065 TRANSMITTED THIS 26th day of August,2002 to the following: Mayor Jesse Tanner Gregg Zimmerman,Plan/Bldg/PW Admin. Members,Renton Planning Commission Neil Watts,Development Services Director Larry Rude, Fire Marshal Sue Carlson,Econ. Dev.Administrator Lawrence J. Warren,City Attorney Larry Meckling, Building Official Transportation Systems Division Jay Covington,Chief Administrative Officer Utilities System Division Councilperson Kathy Keolker-Wheeler South County Journal Pursuant to Title IV, Chapter 8, Section 100G of the City's Code, request for reconsideration must be filed in writing on or before 5:00 p.m.,September 9,2002. Any aggrieved person feeling that the decision of the Examiner is ambiguous or based on erroneous procedure,errors of law or fact,error in judgment, or the discovery of new evidence which could not be reasonably available at the prior hearing may make a written request for a review by the Examiner within fourteen(14)days from the date of the Examiner's decision. This request shall set forth the specific ambiguities or errors discovered by such appellant,and the Examiner may, after review of the record,take further action as he deems proper. An appeal to the City Council is governed by Title IV, Chapter 8, Section 110,which requires that such appeal be filed with the City Clerk, accompanying a filing fee of$75.00 and meeting other specified requirements. Copies of this ordinance are available for inspection or purchase in the Finance Department, first floor of City Hall. An appeal must be filed in writing on or before 5:00 p.m.,September 9,2002. If the Examiner's Recommendation or Decision contains the requirement for Restrictive Covenants,the executed Covenants will be required prior to approval by City Council or final processing of the file. You may contact this office for information on formatting covenants. The Appearance of Fairness Doctrine provides that no ex parte(private one-on-one)communications may occur concerning pending land use decisions. This means that parties to a land use decision may not communicate in Barbee Mill Dredging II File No.: LUA-02-067,ECF,SP,SME August 26,2002 Page 7 private with any decision-maker concerning the proposal. Decision-makers in the land use process include both the Hearing Examiner and members of the City Council. All communications concerning the proposal must be made in public. This public communication permits all interested parties to know the contents of the communication and would allow them to openly rebut the evidence. Any violation of this doctrine would result in the invalidation of the request by the Court. The Doctrine applies not only to the initial public hearing but to all Requests for Reconsideration as well as Appeals to the City Council. Project Location: 4101 Lake Washington Boulevard N' ighborhood Detail Map I COR ; ,lrr B rk/Jebris Dredge-2002 ,�� s N TH • -. / —)4/1• ...,,, � arbee Mill i, i I I - ,.. i II il . ompany 1 Ig COR j u,e,�, ri COR i i ,, -•i.-.-:,--f,/, - ;'i . ... ;;;;. \--ri N . 4, ' ?'"• Itiy, ' , 1 Ja• l -. s C SE 40th Street —jar 0��. a relic 'r�c:-�-� R 8l . R-81 !rime's_i 4.,.. �0 . gal. 1dfIg soy.•, -- .2,�,�.� - . !N 3$�h Street =��— A I I D E F 4 H J K 4 NiNL Q, R 5 V W x ZI } , _ ! i a — j _. I 1 _....._ I II I _ ,... ._,_ , i _ i 4.....__._.-1Lake-WaShin-ten._.__._... ___ —_ - - A .._.._...__.,i_.. .- --- ...- a ----- _ 1 I I \� ! I I ---j—+ 1-1 __________47_, , 1 „ I --1-'-- I- . 7 } I I , i, er s '� . .' T _ _ - �(,�12' .� ` t- - ter'_ I �T i I _.�_. , t-t_ • i -tr...., ,.___ -T-em•a nary. _ .._. ' .--,I,- a_ -=-.= ;_.-:.:........ -......_ - -.__.. _._._._. - -- - L.... ! I I I lr - i ��. - ! i T -�� i H -Ir - � 1 ---•.:_.. - �� ---/ . 1 i • A-- i •-•-(1119 I 1 I I `O� i ! r� i I I ' i 1 i ! I I tie�� ;,r;,::, rg' !ff'///% SCALE r � r i/ '� I I �lir.�j! ;.;;/Lumber Storage U ri 0, 50 100' 201 300 ( -------- M f i// a yCree Barbee Mill Company d Contours Proposed SLBark Dredging- 2002 Bark Removal Area i Q ' City of Renton,t ounty of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Pro P o o Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 r-1 File: E:\dredge2002\fingrade.CAD • City of Renton P/B/PW Department Preliminary Report to the Hearing Examiner BARBEE MILL DREDGING II LUA-02-067, ECF, SP, SME PUBLIC HEARING DATE:JULY 30,2002 Page 5 of 5 5. TRANSFERABILITY OF SPECIAL PERMIT This permit would run with the land and could be transferred to future property owners. 6. PERMIT EXPIRATION Staff recommends that the permit expire upon the satisfactory completion of the proposed action and all required mitigation. 7. REVOCATION OF PERMIT The Planning/Building/Public Works Department is authorized to revoke any annual license issued pursuant to the terms of the Grading, Excavation and Mining Regulations if after due investigation is determined that the permittee has violated any of the provisions of this Ordinance. Notice of revocation shall have reasonable time not to exceed forty-five (45) days in which to remedy the defects or omissions specified. In the event that the licensee fails or neglects to do so within the time period, the order of revocations shall be final. A total or partial stop work order may be issued for good reason. G. RECOMMENDATION: Staff recommends approval of the Barbee Mill Dredging II Special Permit for Fill and Grade, File No. LUA-02-067, ECF, SP, SME in order to dredge up to 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property. hexrpt Lake Washington NOTES: C <90/' Remove paving for expanded dredge dewatering area 9e Excavate approximately 4-6 feet and berm Replace paving at project completion Remove Truck Lift / Remove former rail loading/unloading dock Tem., - • Dredge / Dewaterin• Area / 1 May Creek �4'� Delta ft_ °a 0 a i'9O Remove former rail `c21 a1 o� loading dock owN • Remove II/IIIII oiLyr� Lift Truck Li IIIIIIII ��� 'ei IIIIjI'4~. Scale: D III 41,4 ' 0'10' 25' 50' 100'• III/IIII I/III II _--_.� III/IjII Bark Dredging - 2002 : s ,1,7•..°s ,-,,a Q ;''::'-6..:,9 . b Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" o p Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 3/02, updated 5/02 n Fla;EAdrdy2002\1DSA.CAD Cl v R,j`°V,3 e' , Cross-Section A-B (SCALE 0 25' S0' 100' Sawmill A 4X Vertical Exageration B 24' 22' OHWL(21.8' MSL) 20' 18' 16' 12'— 12'— Estimated Bark Thickness 18' 8'6' — 4'2' �yf1� yii -2' I 1 Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" o 0 L&Al/RML 3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 Flk: E:\drdg2002\TDSA.uo CITY OF RENTON CURRENT PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the day of , 2002, I deposited in the mails of the United States, a sealed envelope containin t I�t el r 1�Q T/1CLtnn�tlndi✓ u/ "I documents. This information was sent to: Name Representing ")A r M.11 ( (v OLijklizY I p1i • (Signature of Sender) STATE OF WASHINGTON SS COUNTY OF KING ) I 1 I certify that I know or have satisfactory evidence that V{ signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument. Date*.:. - _ •Oa. `—�;I Y)G A l) LC ' a . zLYN ;' CHEFF Notary Public in nd for the State of WashingtoW 4i NOTARY PUBLIC Notary(Print) STATE OF WASHINGTON My expi MARILYN KAMCHEFF COMMISSION EXPIRESappointment9-03 JUNE 29, 2003 Project Name: • Project Number: J NOTARY DOC NO7CE ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION BARBEE MILL SOIL REMEDIATION LUA-02-069,ECF,SM,SP The applicant is requesting Environmental(SEPA)Review for the Implementation of an Independent Remedial Action Plan(IRAP)for upland areas of the Barbee Mill site.The project would result in the excavation and removal of approximately 21,500 cubic yards of arsenic contaminated and elevated zinc level soils over an approximate 1.8 acre area of the site.In addition,an 8,000 square foot single-story metal(former kiln)building would be demolished In order to access the contaminated soils.Alter excavation,the contaminated soils would be stockpiled In an on-site upland area for dewatering poor to transport and off-site disposal.Site restoration would consist of returning to original grade with 21,500 cubic yards of imported clean backlill followed by asphalt repaving.Remediation activities are estimated to commence during late summer 2002 and last for approximately two months.In addition to SEPA review,the proposal also requires approval of a Special Fill and Grade Permit by the Hearing Examiner and a Shoreline Substantial Development Permit.Location:4101 Lake Wash.Blvd.North. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. Appeals of the environmental determination must be Bled In writing on or before 5:00 PM August 12,2002. Appeals must be filed In writing together with the required$75.00 application fee with:Hearing Examiner,City of Renton,1055 South Grady Way,Renton,WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional Information regarding the appeal process may be obtained from the Renton City Clerk's Office,(425)430-6510. A Public Hearing will be held by the Renton Hearing Examiner at his regular meeting In the Council Chambers on the 7th floor of City Hell,1055 South Grady Way,Renton,Washington,on August 20,2002,at 9:00 AM to consider the Special Fill and Grade Permit. If the Environmental Determination Is appealed,the appeal will be heard as part of this public hearing. 4• aQ4,,+j�,a• Tri i • iiptt • I 2( Etrnyill 00 l• FOR FURTHER INFORMATION,PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT SERVICES DIVISION AT(425)430-7200. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION Please include the project NUMBER when calling for proper file Identification. gindlimstftimattomildwattmosibralhasilerehme i MARILYN KAMCHEFF ► NOTARY PUBLIC CERTIFICATION STATE OF WASHINGTON COMMISSION EXPIRES JUNE 29, 2003 I, E OCOutt 1 , hereby certify that 3 copies of the above document were posted by_me in conspicuous places on or nearby the described property on • SignedlY1 ATTEST: Subscribed an worn before me,a Notary Public,in and for th tale of 71(;i2rt4.e,(42.—(F.. Washington residing i ,on the c1 rid day of Q.c-c-p , MARILYN MY APPOINTMENT EXPIRES:6-29-03 CITY OF RENTON HEARING EXAMINER PUBLIC HEARING J U LY 30, 2002 AGENDA COMMENCING AT 9:00 AM, COUNCIL CHAMBERS, 7TH FLOOR, RENTON CITY HALL The application(s) listed are in order of application number only and not necessarily the order in which they will be heard. Items will be called for hearing at the discretion of the Hearing Examiner. PROJECT NAME: Ribera-Balko Short Plat PROJECT NUMBER: LUA-01-117, ECF, SHPL-H, V-H PROJECT DESCRIPTION: The applicant is requesting Hearing Examiner Short Plat Review and Variance Approval with Environmental Review to create three lots ranging in size from 25,841 square feet to 201,908 square feet. The project is located at 4225 NE 4th Street. In conjunction with the short plat proposal, the applicant is requesting a variance from the Critical Areas Regulations to culvert a portion of the Maplewood Creek system, which flows adjacent to NE 4th Street and then turn south near the subject site's western property boundary. The applicant is proposing to culvert the drainage course in order to construct a sidewalk along NE 4th Street. In addition to the regulated drainage course, the subject site also contains a 42,846 square foot Category III wetland located adjacent to the western property boundary. The applicant has requested to fill approximately 8,136 square feet of wetland area along the northeastern wetland boundary and replace it with 8,136 square feet of wetland area along the western portion of the wetland. The applicant is also proposing to enhance 8,136 square feet of existing wetland area located along the eastern boundary of the wetland per code requirements. Location: 4225 NE 4th Street. PROJECT NAME: Barbee Mill Dredging II PROJECT NUMBER: LUA-02-067, ECF, SM, SP PROJECT DESCRIPTION: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97- 156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. Location: 4101 Lake Washington Blvd. hexagenda l - City of Renton PUBLIC Department of Planning/Building/Public Works HEARING PRELIMINARY REPORT TO THE HEARING EXAMINER A. SUMMARY AND PURPOSE OF REQUEST: Public Hearing Date: July 30, 2002 Project Name: Barbee Mill Dredging II Owner/Applicant Barbee Mill Company Address: P.O. Box 359 Renton, WA 98057 File Number: LUA-02-067, ECF, SP, SME Project Manager: Lesley Nishihira Project Description: The applicant is requesting Hearing Examiner approval of a Special Fill and Grade permit for the removal of approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property. The proposal is intended to improve Lake Washington for the benefit of fisheries and shallow water habitat. Project Location: 4101 Lake Washington Boulevard • N Ig borhood D= ail Map 1 C0� �• �41 B rk/ ebris Dred!e-2002 _ :N. scaF TH A R, i1 y. 1 . larbee Mill i li I ompany / / 1 COR "Amborii COR . /4, . ',/ ;4. ik , , I. ' g 1), - --r. , '.;i .. -.-i. —rN -- ---- i �4 ."a SE 40th Street -. a .'..r r _A spa Q) , ..4 d O m * Ism F+3 f C —• - R-8 �-,-� 'N 3==h-Street ---._.�� City of Renton PUBLIC Department of Planning/Building/Public Works HEARING PRELIMINARY REPORT TO THE HEARING EXAMINER A. SUMMARY AND PURPOSE OF REQUEST: Public Hearing Date: July 30, 2002 Project Name: Barbee Mill Dredging II Owner/Applicant Barbee Mill Company Address: P.O. Box 359 Renton, WA 98057 File Number: LUA-02-067, ECF, SP, SME Project Manager: Lesley Nishihira • Project Description: The applicant is requesting Hearing Examiner approval of a Special Fill and Grade permit for the removal of approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property. The proposal is intended to improve Lake Washington for the benefit of fisheries and shallow water habitat. Project Location: 4101 Lake Washington Boulevard N' igf�borh Map COR s 4/ ,; B rk/�ebris DredgoodDetaile-2002 // �/ 41 ,::-.% i ,.//, ..; '\ 1. • A ; ye -1 ----ifil ' i 1 ,arbee Mill / .... i ompany / i I o ICOR . COR i: �, / vi4._I--- . . — . > #. '‘) fy / / 1 . .. .4*.‘.' I • A.II.." '6. r . -' 4. Le. a to -- --t-F :; SE 40th Street ' .., — _. C s+s - c 4. ,ti p � AIMi IBUS. Priv ti -----z tN:3 th Street - • - City of Renton P/B/PW Department _liminary Report to the Hearing Examiner BARBEE MILL DREDGING 11 LUA-02-067,ECF, SP, SME PUBLIC HEARING DATE:JULY 30,2002 Page 2 of 5 B. GENERAL INFORMATION: 1. Owner of Record: Barbee Mill Company 2. Zoning Designation: Center Office Residential—2 (COR-2) 3. Comprehensive Plan Center Office Residential (COR) Land Use Designation: 4. Existing Site Use: Limited lumber operations 5. Neighborhood Characteristics: North: Undeveloped property(zoned COR-2) East: Lake Washington Blvd & Residential development (zoned R-10/R-8) South: Residential development (zoned R-8) West: Lake Washington 6. Access: Lake Washington Boulevard North 7. Site Area: 250,000 square feet 8. Project Data: Area Comments Existing Building Area: N/A N/A New Building Area: N/A N/A Total Building Area: N/A N/A C. HISTORICAUBACKGROUND: Action Land Use File No. Ordinance No. Date Zoning N/A 4404 06/07/1993 Comprehensive Plan N/A 4498 02/20/1995 Annexation N/A 1804 12/08/1959 Barbee Mill LUA-97-156, ECF, SP N/A 01/08/1998 Maintenance Dredging D. APPLICABLE SECTIONS OF THE RENTON MUNICIPAL CODE: 1. Chapter 4 Property Development Standards Section 4-4-030: Development Guidelines and Regulations—General Section 4-4-060: Grading, Excavation and Mining Regulations 2. Chapter 9 Procedures and Review Criteria 3. Chapter 11 Definitions E. APPLICABLE SECTIONS OF THE COMPREHENSIVE PLAN: 1. Land Use Element 2. Environmental Element hexrpt I ' • City of Renton P/B/PW Department liminary Report to the Hearing Examiner BARBEE MILL DREDGING II LUA-02-067, ECF, SP, SME PUBLIC HEARING DATE:JULY 30,2002 Page 3 of 5 F. DEPARTMENT ANALYSIS: 1. PROJECT DESCRIPTION/BACKGROUND The applicant is seeking approval of a Special Fill and Grade Permit in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. The project is anticipated to occur during the summer months of this year as well as in succeeding years (up to a maximum of 5 years), if necessary, outside of required fisheries windows. The proposal also requires approval of a Shoreline Exemption Permit from the City's Shoreline Master Program. Hydraulic Project Approval, Water Quality Certification, and an expanded Maintenance Dredging Permit must also be issued by the Department of Fisheries, Department of Ecology and the Army Corps of Engineers, respectively. 2. ENVIRONMENTAL REVIEW Pursuant to the City of Renton's Environmental Ordinance and SEPA (RCW 43.21C, 1971 as amended), the Environmental Review Committee issued a Determination of Non-Significance — Mitigated (DNS-M) on July 2, 2002. The decision was followed by a two-week appeal period, which closed on July 22, 2002. No appeals of the threshold determination were filed. 3. STAFF REVIEW COMMENTS Representatives from various city departments have reviewed the application materials to identify and address site plan issues from the proposed development. These comments are contained in the official file, and the essence of the comments has been incorporated into the appropriate sections of this report and the Departmental Recommendation at the end of the report. 4. CONSISTENCY WITH SPECIAL PERMIT CRITERIA: In order to grant a special permit, the Hearing Examiner shall make a determination that the activity would not be unreasonably detrimental to the surrounding area. The Hearing Examiner shall consider, but not be limited to, the following: A. SIZE AND LOCATION OF THE ACTIVITY As noted above, the applicant is seeking approval of a Special Fill and Grade Permit for the removal of approximately 20,000 cubic yards of bark, wood debris and bottom sediments from Lake Washington adjacent to the Barbee Mill property. Bark thickness is estimated at depths of up to 5 feet. The dredging activities are proposed over an approximate 250,000 square feet area of 340 feet in width and 800 feet in length parallel to the shoreline situated northwest of the May Creek Delta. B. TRAFFIC VOLUMES AND PATTERNS Subsequent to dewatering, the materials will be moved upland away from the shoreline for handling and off-site transport or for loading into trucks and/or rail cars for immediate off-site handling and transport. If removed by dump trucks, an estimated 10 to 15 trips per day will be necessary to remove the dredged materials, which would likely occur in late morning and early afternoon hours. The removal activities will take place gradually over a period of 6 months in order to reduce immediate and concentrated transportation impacts. Based on the applicant's hexrpt City of Renton P/B/PW Department Iiminary Report to the Hearing Examiner BARBEE MILL DREDGING II LUA-02-067, ECF, SP,SME PUBLIC HEARING DATE:JULY 30,2002 Page 4 of 5 construction mitigation plan submitted with the application, haul routes will travel north on Lake Washington Boulevard to 1-405 via NE 44th Street on-ramps. At present, approximately 50 to 100 trucks enter and exit the site as part of daily mill operations. The proposal to add up to 15 trips per day for a limited duration is not likely to result in adverse impacts to traffic volumes and patterns over existing conditions. C. SCREENING, LANDSCAPING, FENCIING AND SETBACKS No screening, landscaping, fencing or setbacks are required for the dredging portion of the project as it is located within the Lake Washington water body. The materials would be removed by barge mounted clamshell dredging and would be temporarily stored upland near the southwest corner of the site. All materials will then be transferred to a temporary storage area, which will be designed for dewatering while minimizing direct run-off. The maximum height of dredge stockpiling will remain below 15 feet above existing grade. After the completion of the project, the temporary stockpile/storage area will be re-graded and seeded with grasses and shoreline plantings, which has been required as a SEPA mitigation measure for the project. D. UNSIGHTLINESS, NOISE, DUST Noise will be associated with the dredging of the area and the removal of the dredging spoils after they are dewatered. These noise levels are not anticipated to exceed the noise levels of the existing lumber mill on the project site and should be of a limited duration. Thus, the potential noise levels are not anticipated to have an adverse impact on the adjacent properties. It is anticipated the temporary erosion control measures that the applicant has included in the project description will prevent dust from becoming a problem. E. SURFACE WATER Measures to prevent erosion would be implemented pursuant to conditions imposed by the Army Corps of Engineers, including the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington, the use of a silt fence to control turbidity in Lake Washington during dredging operations, and the monitoring of water quality during construction to assure compliance with proposed work in accordance with best management practices. As part of the SEPA review of the project, similar mitigation has been required along the site's May Creek shoreline, in addition to limiting pumping of water from the sediment storage area directly into Lake Washington or May Creek. In addition, weekly reports on the status and condition of the erosion control plant will be necessary. The applicant has indicated that in addition to best management practices, the project will utilize an in-water silt curtain and upland silt fencing to be installed prior to commencing dredging activities. Visual monitoring of turbidity levels and water quality measurements will also be conducted, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. Staff also recommends these measures be required as mitigation measures for the project. F. REUSE OF SITE A proposal for the implementation of a soils remediation action plan on the Barbee Mill property is currently under review (LUA-02-069) and will require consideration by the Hearing Examiner for a Special Fill and Grade Permit at a future date. In addition, a land use application for preliminary plat approval is currently pending for the subject property and has not yet completed Environmental (SEPA) Review (LUA-02-040). There is also a previously submitted application for a mixed-use development proposal on the site, which has been placed on-hold by the applicant (LUA-01-174). Prior to the commencement of any construction activities for the reuse of the site, all land use review and approval processes must be completed. hexrpt • City of Renton P/B/PW Department liminary Report to the Hearing Examiner BARBEE MILL DREDGING II LUA-02-067, ECF, SP, SME PUBLIC HEARING DATE:JULY 30,2002 Page 5 of 5 5. TRANSFERABILITY OF SPECIAL PERMIT This permit would run with the land and could be transferred to future property owners. 6. PERMIT EXPIRATION Staff recommends that the permit expire upon the satisfactory completion of the proposed action and all required mitigation. 7. REVOCATION OF PERMIT The Planning/Building/Public Works Department is authorized to revoke any annual license issued pursuant to the terms of the Grading, Excavation and Mining Regulations if after due investigation is determined that the permittee has violated any of the provisions of this Ordinance. Notice of revocation shall have reasonable time not to exceed forty-five (45) days in which to remedy the defects or omissions specified. In the event that the licensee fails or neglects to do so within the time period, the order of revocations shall be final. A total or partial stop work order may be issued for good reason. G. RECOMMENDATION: Staff recommends approval of the Barbee Mill Dredging II Special Permit for Fill and Grade, File No. LUA-02-067, ECF, SP, SME in order to dredge up to 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property. hexrpt A 4 G b T F e Ij aII 'G 1' N ? Q R ¶ T Y I I X T Z i I I t 1 1 ► I I I I 1 1 1 I 1 1 I I 1 I 1 I 1 1 T 3— t— — g i I I 1 1 I i i I A, , 1 I __ .. I i I 1 ; I j I 10. I I ' 1 AI ... ... .. I4 / . I I ....._.... it _ ! 1 i _. r1.�•.- : .. I I I I der ... 8 -•.;. I _ .. � , _ - r ! .�i � y ,. i � I Ii li ari I I i I '_ 12'1 1 -all 1 • I t. ; ' I''... I i } i i I 1 —_i----t-- 161 1i i i I Lir . tired I i Storage . . t i I ' ;. —____,: .1j ..4. 4 -41- .L--. ---I : ---- • •••, ••1I-- -I • illw----- ••r• 1 •--4-.. •1 • /(1 ) 1 i o� i 1 ( I I H ' Dt i l l ! I 1 I I 'gJ • ;/;// SCALE Lumber Storage I 1 0' S0' 100' 200' 300 tii ayCree Barbee Mill Company ' ` r I Bark Dredging - 2002 Bark Removal Area Q City of Renton,tounty of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o a Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade.CAD Cross-Section A-B ISCALE 0 25' 50' 100' Sawmill A 4X Vertical Exageration B 24' 22' OHWL(21.8' MSL) 20' 18' 14' 14' 12'— Estimated Bark Thickness 1 — 8, 6' 4' 0 !�NNE 2 — I I Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" L&AURML 3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 r] Flle: EAdnIg2002 WIDS.A.CAD Lake Washington NOTES: C <90/` Remove paving for expanded dredge dewatering area 9e Excavate approximately 4-6 feet and berm Replace paving at project completion Remove Truck Lift Remove former rail loading/unloading dock Tem• Dredge / Dewaterin• Area 2a May Creek d� Delta -�� 4 sc -' Remove former rail �c loading dock owr+'-(7-1-• \).i IRemove II oily (Iiirli IIIIIIII Q., IIIIIIIIl is IIII Scale: D I/I` . 0'10' 25' 50' 100' IIIIIIj IIIII 110 II _ _ IIIIIIII — �II - III I I Bark Dredging - 2002 `'t'`''AL`,'•- `° ' , -, Q';1-_, .) Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" o p Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 3/02, updated 5/02 n I . I Flle: E\drc192002\TDSA.CAD a IV �3 1 Cross-Section C-D SCALE 25' 51)' 100' C D Dewatering Sediments ! tY 26' Existing Grade C D 38' 36' 34' _ 32' 15' 30' Dewatering Sediments 28 Berm 26' Berm 24' Existing Grade 22' 20' 3X Vertical Exageration Bark Dredging - 2002 TDS Area - Cross-Section C-D City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" L&AURML 3/02,updated 5/02 o Barbee Mill Company,P.O.Box 359,Renton Washington 98057 ' nI Flk: E:\drdg20021DSA.CAD\ CITY C RENTON wail Planning/Building/PublicWorks Depaitiiient Gregg Zimmerman P.E.,Administrator Jesse Tanner,Mayor July 25, 2002 Mr. R. Michael Lloyd Lloyd &Associates, Inc. 38210 SE 92nd St. Snoqualmie, WA 98065 SUBJECT: Barbee Mill Dredging II Project No. LUA-02-067, ECF, SM, SP Dear Mr. Lloyd: This letter is to inform you that the appeal period has ended for the Environmental Review Committee's (ERC) Determination of Non-Significance - Mitigated for the above-referenced project. No appeals were filed on the ERC determination. The applicant must comply with all ERC Mitigation Measures. A Public Hearing will be held by the Renton Hearing Examiner in the Council Chambers on the seventh floor of City Hall, 1055 South Grady Way, Renton, Washington, on July 30, 2002 at 9:00 AM to consider the Special Grade and Fill Permit. The applicant or representative(s) of the applicant is required to be present at the public hearing. A copy of the staff report will be forwarded to you two weeks prior to the hearing date. If you have any questions, please feel free to contact me at (425) 430-7270. For the Environmental Review Committee, Lesley Nishihira Project Mana r cc: Barbee Mill Company/Owners Enclosure FINAL RENTON 1055 South Grady Way-Renton,Washington 98055 ®This paper contains 50%recycled material,30%post consumer AHEAD OF THE CURVE DEVELOPMENT PLANNING CITY OF RENTON WiWashington State JUL Northwest Region Department of Transportation 9 ZUO2 15700 Dayton Avenue North Douglas B. MacDonald P.O.Box 330310 Secretary of Transportation RECEIVED Seattle,WA 98133-9710 206-440-4000 July17 2002 TTY: 1-800-833-6388 www.wsdot.wa.gov Leslie Nishihira Senior Planner, Development Services Division City of Renton 1055 S. Grady Way Renton, WA 98055 Subject: SR-405 MP 7.47 vic. CS 17435 Barbee Mill City File No. LUA-02-067 Preliminary Traffic Impact Analysis Comments Dear Ms. Nishihira: Thank you for giving us the opportunity to review and comment on the Preliminary Traffic Impact Analysis dated March 28, 2002 for the Barbee Mill Property. This proposed development will consist of 24 townhomes and 88 residential duplex units. The development will be located on the Barbee Mill Property on Lake Washington Boulevard, just west of the NE 44th St./I-405 Interchange. Our comments are as follows: • We are unaware of any concrete plans by City of Renton to signalize ramp terminals, nor is there a pending WSDOT project to do so. Our analysis indicates this development would significantly impact the I-405 ramp terminals if they remain unsignalized. The project exacerbates the LOS F condition. The TIA needs to acknowledge this possibility and should fund or significantly contribute to appropriate signal and channelization needs at these intersections. • Signalized analysis should include queuing info. SB ramp intersection EB queuing extremely likely to spill back beyond Ripley Lane intersection, which would impact operation of that intersection. • Page 8 of the TIA, the Trip Rates that are shown in the table cannot be found anywhere in the ITE Trip Generation Manual. The totals in the Vehicle Trips columns are all correct calculations from the equations. We recommend using the equations and In/Out percentages instead of the Rates as it implies use of something different from ITE Trip Generation Manual. • Ms. Leslie Nishihira July 17, 2002 Page 2 • Provide an accident analysis of the I-405 ramps at their junctions to NE 44th St. This should include 3 years of accident data, a discussion of the most predominant types of accidents, and an assessment of the project's traffic safety impacts. • Recommend a Figure 7 with 2005 Peak Hour Traffic Volumes with Project. • Add the left and right turn arrows to the SB movement of intersection 4 of Figure 6. We look forward to reviewing your next submittal. If you have any questions, please contact Phil Segami at 206 440-4326. Si erely . r In 'azooki 'rig Area Planning Manager cc: Mark Bandy, Traffic MS 120 DevSvcs\SR405\BarbeeMilITIA l.doc 4:14 4 , �',, DEPARTMENT OF THE ARMY 4; z SEATTLE DISTRICT,CORPS OF ENGINEERS o J� P.O.BOX 3755 \'\ SEATTLE,WASHINGTON 98124-3755 \�—/0."/ REPLY TO AA 4 '�-,-' - ATTENTION OF I 1 I P y ?nn? Regulatory Branch C' DEVELOPMENT PLANNING CITY OF RENTON JUL 15 2002 Dr. R. Michael Lloyd RECEIVED Project Manager Lloyd and Associates, Inc. 38210 Southeast 92nd Street Snoqualmie, Washington 98065 Reference: 1995-2-00997 Barbee Mill Company Dear Dr. Lloyd: We have reviewed your submittal and accompanying letter dated June 24, 2002, requesting that Barbee Mill Company be allowed to remove a larger volume of accumulated bark and wood waste from Lake Washington than was specified in their permit. We have determined that there will be no change in the depth or area that will be dredged; therefore, no permit action is necessary. An error was made in your estimation of the cubic yards of material to be dredged due to the composition of the dredged material. Thank you for your updated estimate. The dredging of up to 20,000 cubic yards of material may proceed provided the depth and footprint of the work remain as described in the permit issued on November 25, 1996, and revised on September 3, 1998. Please be aware that no return water shall enter Lake Washington. If you have any questions, please contact Ms. Susan Powell at telephone (206) 764-5527. l` Sincerely, Thomas F. Mueller, Chief Regulatory Branch cc: Ms. Jennifer Henning City of Renton Development Services / CITY OF RENTON CURRENT PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the day of ) w'ici , 2002, I deposited in the mails of the United States, a sealed envelope containing M2L 0?Atrill iAAt1v1 documents. This information was sent to: Name Representing ,( J tist • (Signature of Sender) 1/1�� �,���— STATE OF WASHINGTON ) SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that A1J-ree .tG,,•-t .� signed this instrument and acknowledged it to be his/her/their free and voluntary act or the uses and purposes mentioned in the instrument. Dated ,., ;:._.1 i — 2-4C't 1 Y7C..% _ 7 �-r, (, i•• AFi _.: ! VA CHEFF Notary Publi in and fo? w the State of W ington s O AR PUBLIC 'ATE OF WASHINGTON Notary(Print) MARILYN KAMCHEFF r. 'NMlSSiON EXPIRES My appointmer? 4 '1TMENT EXPIRES:6-29-03 J?..NE 29, 2003 Project Name: oat' bee Mii) bite 5 i As Project Number: U4/4 0 2,'O&7 r�/ Cry), SP NOTARY.DOC AGENCY(DOE) LETTER MAILING (ERC DETERMINATIONS) Dept. of Ecology Larry Fisher Mr. Rod Malcom, Fisheries Environmental Review Section WA Dpt. Of Fish &Wildlife Muckleshoot Indian Tribe PO Box 47703 C/o Dept. of Ecology 39015— 172nd Avenue SE Olympia,WA 98504-7703 3190— 160th Ave. SE Auburn, WA 98092 Bellevue,WA 98008 WSDOT Northwest Region Duwamish Tribal Office Mr. David Dietzman King Area Dev. Serv., MS-240 14235 Ambaum Blvd. SW—Front A Dept. of Natural Resources PO Box 330310 Burien,WA 98166 PO Box 47015 Seattle,WA 98133-9710 Olympia, WA 98504-7015 US Army Corp. of Engineers Ms. Shirley Marroquin Eric Swennson Seattle District Office Environmental Planning Supervisor Seattle Public Utilities PO Box C-3755 KC Wastewater Treatment Division 710—2nd Avenue, 10th Floor Seattle,WA 98124 201 South Jackson St, MS KSC-NR-050 Seattle,WA 98104 Attn: SEPA Reviewer Seattle,WA 98104-3855 KC Dev. & Environmental Serv. City of Newcastle City of Kent Attn: SEPA Section Attn: Mr. Micheal E. Nicholson Attn: Mr. Fred Satterstrom, AICP 900 Oakesdale Ave. SW Director of Community Development Acting Community Dev. Director Renton,WA 98055-1219 13020 SE 72`d Place 220 Fourth Avenue South Newcastle,WA 98059 Kent,WA 98032-5895 Gary Kriedt Joe Jainga Metro Environmental Planning PSE—Municipal Land Planner KSC-TR-0431 PO Box 90868 201 South Jackson Street Ms: XRD-01W Seattle,WA 98104 Bellevue,WA 98009-0868 Last printed 11/19/01 11:34 AM NOT10E ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION BARBEE MILL DREDGING II LUA-02-067,ECF,SM,SP The applicant is requesting Environmental(SEPA)Review In order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat.The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton(LUA-97-156),as well as by the Corps of Engineers.The current application,as well as the previous permitted dredging activities,are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology.Location:4101 Lake Washington Blvd. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. Appeals of the environmental determination must be filed In writing on or before 5:00 PM July 22,2002. Appeals must be filed in writing together with the required 575.00 application fee with:Hearing Examiner,City of Renton, 1055 South Grady Way,Renton,WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.13. Additional Information regarding the appeal process may be obtained from the Renton City Clerk's Office,(425)430-6510. A Public Hearing will be held by the Renton Hearing Examiner at his regular meeting In the Council Chambers on July 30,2002 at 9:00 AM to consider the Special Grade end Fill Permit(SP).If the Environmental Determination Is appealed,the appeal will be heard as part of this public hearing. N 9 Ixxhood.:.:l Map COR . ...-t' mpany 1 1 ... ompiny �` g COR��'�02,n��CAR 1 • ,y, 71/44q, 7•,P A :, CA I .-'SE 40Bi Street cr Ta _ 1 R-8': ,ter..o,i2 Awer t7h ..,iorrdil:e3r'�,44 I = . Ird4�f�It:�!rt:Av� tviiiitdg ,...NJ pl'r 4r '�r!lElJr.!1f FOR FURTHER INFORMATION,PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT SERVICES DIVISION AT(425)430-7200. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION Please include the project NUMBER when calling for proper file identification. CERTIFICATION I, E . Cd<weA1 ,herebyertify that 3 copies of the above document were posted by me ' conspicuous places on or nearby the described property on ) 3 i 24.0Z, Signed: Gf ATTEST:Subscribed sworn before me,a Notary Public,in and for the Sj`e f a�bpglaa on the (S`f+` day of `-�%' �(9 B MARILYN KAMCHEFF NOTARY PUBLIC STATE OF WASHINGTON MARILYN KAMCHEFF COMMISSION EXPIRES MY APPOINTMENT EXPIRES:6-29-03 JUNE 29, 2003 NO111KolE ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION BARBEE MILL DREDGING II LUA-02-067,ECF,SM,SP The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton(LUA-97-156),as well as by the Corps of Engineers. The current application,as well as the previous permitted dredging activities,are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. Location: 4101 Lake Washington Blvd. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22,2002. Appeals must be filed in writing together with the required$75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office,(425)430-6510. A Public Hearing will be held by the Renton Hearing Examiner at his regular meeting in the Council Chambers on July 30,2002 at 9:00 AM to consider the Special Grade and Fill Permit(SP). If the Environmental Determination is appealed,the appeal will be heard as part of this public hearing. N"ghborhood D:tail Map T COR ��', B rk/debris Dred e-2002 ' s NTH 1 A - I' arbee Milt / ! i ompany J i . COR ,� F.4u COR 1 if ' ' . 4 .', I 4/4 J.4? •. 4, .,el- 4, Jr I ' �. 4' p c) -- ----1. ��,`E 40th Street �� - `oc o17 .� is c.A R$OE :iki1_4 ..1 rc-0r a> r mot:. -tau Ell91p;,4u tifrEFIE A �:-=: N 38th Street e Bail ; ! raziaT.��l�c:��ea�>� ;:ltinerir NI y f / ! R-8 ti k' z i R-8��� 4 " itP3 .IN FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEVELOPMENT SERVICES DIVISION AT(425)430-7200. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION I Please include the project NUMBER when calling for proper file identification. 1 NOTICE OF ENVIRONMENTAL DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE RENTON,WASHINGTON The Environmental Review Committee has issued a Determination of Non-Significance-Mitigated for the following project under the authority of the Renton Municipal Code. BARBEE MILL DREDGING II LUA-02-067,ECF,SM,SP Environmental review to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. Location: 4101 Lk. Washington Blvd. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. A Public Hearing will be held by the Renton Hearing Examiner in the Council Chambers, City Hall, on jUly 30, 2002 at 9:00 AM to consider the Special Fill and Grade Permit. If the Environmental Determination is appealed, the appeal will be heard as part of this public hearing. Interested parties are invited to attend the public hearing. Publication Date: July 8, 2002 Account No. 51067 dnsmpub.dot t, CITY I F RENTON , Planning/Building/PublicWorks Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator July 3, 2002 Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia,WA 98504-7703 Subject: Environmental Determinations Transmitted herewith is a copy of the Environmental Determination for the following project reviewed by the Environmental Review Committee (ERC) on July 2, 2002: DETERMINATION OF NON-SIGNIFICANCE-MITIGATED BARBEE MILL DREDGING II LUA-02-067,E C F,S M,S P The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. Location: 4101 Lake Washington Blvd. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton,WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. If you have questions, please call me at (425) 430-7270. For the Environmental Review Committee, Lesley Nishih Senior Planner cc: King County Wastewater Treatment Division Larry Fisher, Department of Fisheries David F. Dietzman, Department of Natural Resources WSDOT, Northwest Region Duwamish Tribal Office Rod Malcom, Fisheries, Muckleshoot Indian Tribe (Ordinance) US Army Corp. of Engineers Enclosure Agency Letter\ R E N T O N 1055 South Grad Way-Renton,Washington 98055 �. AHEAD OF THE CURVE :, This paper contains 50%recycled material,30%post consumer CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark & Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard MITIGATION MEASURES: 1. The applicant shall appropriately restore the temporary stockpile/dredging storage area with grasses and shoreline plantings after the completion of the project. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 2. The applicant shall comply with the conditions of approval imposed by the Army Corps of Engineers for the project including, but not limited to: 1) the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington; 2) the use of an in-water silt curtain to control turbidity in Lake Washington during dredging operations as well as silt fencing around upland storage areas; and, 3) the monitoring of water quality during dredging activities to assure compliance with proposed work in accordance with best management practices. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. 3. The applicant shall install silt fencing along the outside down slope perimeter of the proposed berm of the dewatering area and along May Creek. The silt fence shall be installed prior to grading activities and shall be constructed in conformance with the specifications presented in the King County Surface Water Design Manual. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 4. No pumping of water from the temporary storage/dewatering area shall be discharged directly to Lake Washington or May Creek. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division throughout the duration of the project. 5. The project engineer of record shall provide weekly reports on the status and condition of the erosion control plan including any recommendations of change or revision to maintenance schedules or installation to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection. 6. Dredging activities shall be limited to the permitted fisheries windows (July 15`h to December 31St) in accordance with the Department of Fish and Wildlife requirements. 7. The applicant shall conduct visual monitoring of turbidity levels and water quality measurements, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. mitigation measures CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISORY NOTES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark & Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. It is the applicant's responsibility to obtain the necessary permits from all other pertinent agencies. 2. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 p.m., Monday through Friday unless otherwise approved by the Development Services Division. advisory notes CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark& Debris Dredging li DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard LEAD AGENCY: City of Renton Department of Planning/Building/Public Works Development Planning Section The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-6-6 Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. PUBLICATION DATE: July 8, 2002 DATE OF DECISION: July 2, 2002 SIGNATURES: i; i 4.4•4' va- -TCJ7 (--,-V,°( 7 II, (kviTV nil(I, i 7/ Z/9Z- Gregg Zimmerman, Administrator ( DATE Department of Planning/Building/Public Works ma� (:),4.c.A/ aid omSmhuepyeSAcesSistrator/ DAT "--/d//) ��, ire -O -' Lee WJ'(eeler, Fire Chief DATE Renton Fire Department dnsmsignature CITY ( ' RENTON ,.� Planning/Building/PublicWorks Department J e Tanner,Mayor Gregg Zimmerman P.E.,Administrator July 3, 2002 Mr. R. Michael Lloyd Lloyd & Associates, Inc. 38210 SE 92nd St. Snoqualmie, WA 98065 SUBJECT: Barbee Mill Dredging II Project No. LUA-02-067, ECF, SM, SP Dear Mr. Lloyd: This letter is written on behalf of the Environmental Review Committee (ERC) and is to advise you that they have completed their review of the subject project. The ERC issued a threshold Determination of Non-Significance-Mitigated with Mitigation Measures. Please refer to the enclosed Mitigation Measures document. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. A Public Hearing will be held by the Renton Hearing Examiner in the Council Chambers on the seventh floor of City Hall, 1055 South Grady Way, Renton, Washington, on July 30, 2002 at 9:00 AM to consider the Special Grade and Fill Permit. The applicant or representative(s) of the applicant is required to be present at the public hearing. A copy of the staff report will be mailed to you one week before the hearing. If the Environmental Determination is appealed, the appeal will be heard as part of this public hearing. The preceding information will assist you in planning for implementation of your project and enable you to exercise your appeal rights more fully, if you choose to do so. If you have any questions or desire clarification of the above, please call me at (425) 430-7270. For the Environmental Review Committee, Lesley Nishi Senior Planner cc: Barbee Mill Company/Owners Enclosure ansmiener RENTON 1055 South Grady Way-Renton,Washington 98055 AHEAD OF THE CURVE This paper contains 50%recycled material,30%post consumer CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark& Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard MITIGATION MEASURES: 1. The applicant shall appropriately restore the temporary stockpile/dredging storage area with grasses and shoreline plantings after the completion of the project. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 2. The applicant shall comply with the conditions of approval imposed by the Army Corps of Engineers for the project including, but not limited to: 1) the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington; 2) the use of an in-water silt curtain to control turbidity in Lake Washington during dredging operations as well as silt fencing around upland storage areas; and, 3) the monitoring of water quality during dredging activities to assure compliance with proposed work in accordance with best management practices. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. 3. The applicant shall install silt fencing along the outside down slope perimeter of the proposed berm of the dewatering area and along May Creek. The silt fence shall be installed prior to grading activities and shall be constructed in conformance with the specifications presented in the King County Surface Water Design Manual. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 4. No pumping of water from the temporary storage/dewatering area shall be discharged directly to Lake Washington or May Creek. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division throughout the duration of the project. 5. The project engineer of record shall provide weekly reports on the status and condition of the erosion control plan including any recommendations of change or revision to maintenance schedules or installation to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection. 6. Dredging activities shall be limited to the permitted fisheries windows (July 15th to December 31 St) in accordance with the Department of Fish and Wildlife requirements. 7. The applicant shall conduct visual monitoring of turbidity levels and water quality measurements, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. mitigation measures CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISORY NOTES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark & Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. It is the applicant's responsibility to obtain the necessary permits from all other pertinent agencies. 2. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 p.m., Monday through Friday unless otherwise approved by the Development Services Division. advisory notes CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark& Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard LEAD AGENCY: City of Renton Department of Planning/Building/Public Works Development Planning Section The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-6-6 Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. PUBLICATION DATE: July 8, 2002 DATE OF DECISION: July 2, 2002 SIGNATURES: r / 2./9 Gregg Zimmerman, Administrators ( DATE Department of Planning/Building/Public Works Y( J Shephe , Admstrator DAT Community Services 1 1( 1)./A17,- 7-i%' --e);-- Lee JOVb(eeler, Fire Chief DATE Renton Fire Department dnsmsignature CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark& Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard MITIGATION MEASURES: 1. The applicant shall appropriately restore the temporary stockpile/dredging storage area with grasses and shoreline plantings after the completion of the project. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 2. The applicant shall comply with the conditions of approval imposed by the Army Corps of Engineers for the project including, but not limited to: 1) the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington; 2) the use of an in-water silt curtain to control turbidity in Lake Washington during dredging operations as well as silt fencing around upland storage areas; and, 3) the monitoring of water quality during dredging activities to assure compliance with proposed work in accordance with best management practices. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. 3. The applicant shall install silt fencing along the outside down slope perimeter of the proposed berm of the dewatering area and along May Creek. The silt fence shall be installed prior to grading activities and shall be constructed in conformance with the specifications presented in the King County Surface Water Design Manual. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 4. No pumping of water from the temporary storage/dewatering area shall be discharged directly to Lake Washington or May Creek. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division throughout the duration of the project. 5. The project engineer of record shall provide weekly reports on the status and condition of the erosion control plan including any recommendations of change or revision to maintenance schedules or installation to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection. 6. Dredging activities shall be limited to the permitted fisheries windows (July 15th to December 31st) in accordance with the Department of Fish and Wildlife requirements. 7. The applicant shall conduct visual monitoring of turbidity levels and water quality measurements, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. mitigation measures CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISORY NOTES APPLICATION NO(S): LUA-02-067, ECF, SM, SP APPLICANT: Barbee Mill Company. PROJECT NAME: Barbee Mill Bark& Debris Dredging II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. LOCATION OF PROPOSAL: 4101 Lake Washington Boulevard Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. It is the applicant's responsibility to obtain the necessary permits from all other pertinent agencies. 2. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 p.m., Monday through Friday unless otherwise approved by the Development Services Division. advisory notes STAFF City of Renton REPORT Department of Planning/Building/Public Works ENVIRONMENTAL REVIEW COMMITTEE A. BACKGROUND ERC MEETING DATE July 2, 2002 Project Name: Barbee Mill Bark & Debris Dredging II Applicant: Barbee Mill Company. File Number: LUA-02-067, ECF, SP, SME Project Manager: Lesley Nishihira Project Description: The applicant is requesting Environmental (SEPA) Review in order to perform dredging activities within the Lake Washington water body for the benefit of fisheries and shallow water habitat. The proposal is intended to restore aquatic lands impacted by past lumber mill activities by removing approximately 20,000 cubic yards of bark and debris material from lake bottom areas adjacent to the Barbee Mill property on aquatic lands leased from the Department of Natural Resources. Past dredging activities for the May Creek delta have been approved on the site by the City of Renton (LUA-97-156), as well as by the Corps of Engineers. The current application, as well as the previous permitted dredging activities, are intended to complete lakebed restoration pursuant to an agreement with the Department of Ecology. The project is anticipated to occur during the summer months of this year as well as in succeeding years (up to a maximum of 5 years), if necessary, outside of required fisheries windows. In addition to SEPA review, the proposal also requires approval of a Special Fill and Grade Permit by the Hearing Examiner and a Shoreline Exemption Permit from the City's Shoreline Master Program. Hydraulic Project Approval, Water Quality Certification, and an expanded Maintenance Dredging Permit must also be issued by the Department of Fisheries, Department of Ecology and the Army Corps of Engineers, respectively. Project Location: 4101 Lake Washington Boulevard Exist. Bldg. Area gsf: N/A Proposed New Bldg. Area: N/A Site Area: 250,000 sf Total Building Area gsf: N/A RECOMMENDATION: Staff recommends that the Environmental Review Committee issue a Determination of Non-Significance—Mitigated(DNS-M). • A 1 �,m—! . a. 'arbee Mill �. ompany i 11COR ' 1ru�;4.r� COR • C' Project Location Map 4 40:.Imf 40. -� " ercrpt --- � ., SE 4Oth Street_ 111a .J City of Renton P/B/PW Department Enviro, Ital Review Committee Staff Report BARBEE MILL BARK&DEBRIS DRED ;11 LUA-02-067,ECF, SP, SME REPORT OF JULY 2,2002 Page 2 of 4 B. RECOMMENDATION Based on analysis of probable impacts from the proposal, staff recommends that the Responsible Officials make the following Environmental Determination: DETERMINATION OF DETERMINATION OF NON-SIGNIFICANCE XX NON-SIGNIFICANCE-MITIGATED. Issue DNS with 14 day Appeal Period. XX Issue DNS-M with 14 day Appeal Period. Issue DNS with 15 day Comment Period Issue DNS-M with 15 day Comment Period with Concurrent 14 day Appeal Period. with Concurrent 14 day Appeal Period. C. ENVIRONMENTAL IMPACTS In compliance with RCW 43.21 C. 240, the following project environmental review addresses only those project impacts that are not adequately addressed under existing development standards and environmental regulations. 1. Earth Impacts: The materials to be removed as part of the proposed dredging activities consist of bark, wood debris and bottom sediments. The quantity of materials are estimated at 20,000 cubic yards and would be removed from an approximate 250,000 square foot (5.8-acre) area approximately 340-feet in width and 800-feet in length parallel to the shoreline. Sediment testing previously conducted for potential contamination indicate that there is no environmental threat to human health or the environment and that all results fall within all sediment quality criteria. The materials would be removed by barge mounted clamshell dredging and would be temporarily stored upland near the southwest corner of the site. All materials will then be transferred to a temporary storage area, which will be designed for dewatering while minimizing direct run-off. The maximum height of dredge stockpiling will remain below 15 feet above existing grade. Subsequent to dewatering, the materials will be moved upland away from the shoreline for handling and off-site transport or for loading into trucks and/or rail cars for immediate off-site handling and transport. After the completion of the project, the temporary stockpile/storage area will be re-graded and seeded with grasses and shoreline plantings, which staff recommends be required as mitigation for the project. Measures to prevent erosion would be implemented pursuant to conditions imposed by the Army Corps of Engineers, including the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington, the use of a silt fence to control turbidity in Lake Washington during dredging operations, and the monitoring of water quality during construction to assure compliance with proposed work in accordance with best management practices. Similar mitigation should also be required along the site's May Creek shoreline, in addition to limiting pumping of water from the sediment storage area directly into Lake Washington or May Creek. In addition, weekly reports on the status and condition of the erosion control plant should be required of the project. In order to ensure these measures are appropriately taken, staff recommends they be required as SEPA mitigation measures. The applicant has also provided a copy of a submittal to the Department of Ecology titled "Proposed Work Plan for Barbee Mill Sediment Cleanup," dated April 17, 2002 prepared by Anchor Environmental, LLC which requests the issuance of a "No Further Action" letter. The plan outlines the intended procedures for analyzing sediment samples for clean up levels to be performed after the proposed dredging activities. Ecology's response to the sample results will determine if additional action is necessary to bring the site to a sufficient cleanup level. Mitigation Measures: • The applicant shall appropriately restore the temporary stockpile/dredging storage area with grasses and shoreline plantings after the completion of the project. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. • The applicant shall comply with the conditions of approval imposed by the Army Corps of Engineers for the project including, but not limited to: 1) the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington; 2) the use of an in-water silt curtain to control turbidity in Lake Washington during dredging operations as well as silt fencing around upland storage areas; and, 3) the monitoring of water quality during dredging activities to assure compliance with proposed work in accordance with best management practices. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. • The applicant shall install silt fencing along the outside down slope perimeter of the proposed berm of the dewatering area and along May Creek. The silt fence shall be installed prior to grading activities and shall be ercrpt City of Renton P/B/PW Department Enviro ital Review Committee Staff Report BARBEE MILL BARK&DEBRIS DRED ;11 LUA-02-067,ECF,SP, SME REPORT OF JULY 2,2002 Page 3 of 4 constructed in conformance with the specifications presented in the King County Surface Water Design Manual. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. • No pumping of water from the temporary storage/dewatering area shall be discharged directly to Lake Washington or May Creek. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division throughout the duration of the project. • The project engineer of record shall provide weekly reports on the status and condition of the erosion control plan including any recommendations of change or revision to maintenance schedules or installation to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection. Nexus: SEPA Environmental Regulations 2. Water/Shoreline Impacts: The site is located along the Lake Washington shoreline, which is designated as an "urban" environment under the City's Shoreline Master Program. The subject site is also located within habitat areas for a number of species. Lake Washington shorelines near the site are known migration routes for many fish species, including sockeye salmon, coho salmon, steelhead and cutthroat trout, and most notably Puget Sound chinook salmon. Other fish populations known to exist near the site include largemouth bass, smallmouth bass, black crappie, pumpkinseed sunfish, yellow perch, northern pike minnow, three-spine stickleback, brown bullhead, speckled dace, peamouth, and prickly sculpin. In addition to Chinook salmon, which are currently listed as a threatened species under the Endangered Species Act (ESA), the National Marine Fisheries Service (NMFS) has designated coho salmon as a candidate eligible for listing under ESA. The U.S. Fish and Wildlife Service (USFWS) have also designated bull trout as threatened. The project area is located within the Washington Department of Fish and Wildlife (WDFW) indexed sockeye salmon spawning area. Furthermore, the Department of Fish and Wildlife has identified near-shore, shallow water areas as important fish habitat because of the abundance of aquatic plants which provide important cover and hiding places for juvenile fish. The proposed rehabilitation plan is intended to substantially improve shallow water habitat supportive of aquatic plants and animals, as well as specifically protect potential spawning fisheries in Lake Washington and May Creek. With the project application, the applicant submitted an "Aquatic Habitat and Fish Population Survey and ESA Fish Species Assessment," dated March of 2000, prepared by Harza Engineering Company. The assessment concludes that the dredging/restoration activities would not result in an adverse environmental impact or result in the take of any ESA listed fish species. In addition, a copy was provided of a report titled "Remediation of Lake Washington Sediments Biological Evaluation and Assessment," dated May 8, 2000 that was submitted to the Army Corps of Engineers in order to confirm the project's compliance with ESA. In a response letter from the Army Corps of Engineers, dated October 29, 2001, confirmation was given that the proposed dredging activity complies with ESA. The approval letter also contains specific conditions required of the project, including implementation of construction practices and conservation measures identified in the May 8, 2000 report and limitations for work only during the period of July 16th through December 31st. Accordingly, the applicant has indicated that proposed dredging activities will occur only during Hydraulic Project Approval (HPA) permitted windows in accordance with the Department of Fish and Wildlife requirements (July 15th to December 31st), which are generally consistent with the Army Corps requirement. Staff will also recommend compliance with these allowed construction windows as SEPA mitigation measures. The applicant has indicated that in addition to best management practices, the project will utilize an in-water silt curtain and upland silt fencing to be installed prior to commencing dredging activities. Visual monitoring of turbidity levels and water quality measurements will also be conducted, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. Staff also recommends these measures be required as mitigation measures for the project. In addition to the necessary reviews with the City of Renton, the applicant has also requested an extension of the previously approved dredging activity from the Army Corp of Engineers, as well as Hydraulic Project Approval, Water Quality Certification, and an expanded Maintenance Dredging Permit must also be issued by the Department of Fisheries, Department of Ecology and the Army Corps of Engineers, respectively. Mitigation Measures: • Dredging activities shall be limited to the permitted fisheries windows (July 15th to December 31st) in accordance with the Department of Fish and Wildlife requirements. ercrpt City of Renton P/B/PW Department Envira 'dal Review Committee Staff Report BARBEE MILL BARK&DEBRIS DRED a 11 LUA-02-067,ECF, SP, SME REPORT OF JULY 2,2002 Page 4 of 4 • The applicant shall conduct visual monitoring of turbidity levels and water quality measurements, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. Nexus: SEPA Environmental Regulations D. MITIGATION MEASURES 1. The applicant shall appropriately restore the temporary stockpile/dredging storage area with grasses and shoreline plantings after the completion of the project. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 2. The applicant shall comply with the conditions of approval imposed by the Army Corps of Engineers for the project including, but not limited to: 1) the dewatering of dredged spoils within an established grass seeded containment berm designed to control and minimize erosion and runoff from the upland temporary storage area into Lake Washington; 2) the use of an in-water silt curtain to control turbidity in Lake Washington during dredging operations as well as silt fencing around upland storage areas; and, 3) the monitoring of water quality during dredging activities to assure compliance with proposed work in accordance with best management practices. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. 3. The applicant shall install silt fencing along the outside down slope perimeter of the proposed berm of the dewatering area and along May Creek. The silt fence shall be installed prior to grading activities and shall be constructed in conformance with the specifications presented in the King County Surface Water Design Manual. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division. 4. No pumping of water from the temporary storage/dewatering area shall be discharged directly to Lake Washington or May Creek. The satisfaction of this requirement shall be subject to the review and approval of the Development Services Division throughout the duration of the project. 5. The project engineer of record shall provide weekly reports on the status and condition of the erosion control plan including any recommendations of change or revision to maintenance schedules or installation to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection. 6. Dredging activities shall be limited to the permitted fisheries windows (July 15th to December 31st) in accordance with the Department of Fish and Wildlife requirements. 7. The applicant shall conduct visual monitoring of turbidity levels and water quality measurements, including monitoring of oxygen levels and TSS, in and around the dredge area during the project. The satisfaction of these requirements shall be subject to the review and approval of the Development Services Division for the duration of the project. E. COMMENTS OF REVIEWING DEPARTMENTS The proposal has been circulated to City Departmental / Divisional Reviewers for their review. Where applicable, these comments have been incorporated into the text of this report as Mitigation Measures and/or Notes to Applicant. X Copies of all Review Comments are contained in the Official File. Copies of all Review Comments are attached to this report. Environmental Determination Appeal Process Appeals of the environmental determination must be filed in writing on or before 5:00 PM July 22, 2002. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110.B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. It is the applicant's responsibility to obtain the necessary permits from all other pertinent agencies. 2. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 p.m., Monday through Friday unless otherwise approved by the Development Services Division. ercrpt S , A l D T F 6 i f J i ir Aft i P R 5 Y V I' )1( Z , . I I I T 1 I I I ; i I I I I i i i 1 I ! I i 1 I I I I l ty i 1IN T l j� I j 1 I I i I I i I I' o 1 ? t 1 i i 1--. ' i i i I I I !, i.. l ---' I 1 T T i 1. .241- I i I 1 II. . --1.--:___L___i__- I I �— 4 ! I s� I I IHH- 1 1 I ydr i I , i. . ! I • -�..._ ...... - boy,__.....- -- <_ --; — .._.__ _...-_ ' _ ....... --- -- -;._.__....L_ _ ---..._�_,_ ._1...__ i ..__ +f T. \ I I I i kT' I 11P i :i: i.. ! ; j I I ; 1 16 Dredge I -- y_.._.._........ : i rw -- --- --- HI Stora e \ : , • i I --... , i (r9 i• I I l(I'fB) 'j SCALE Lumber Storage 1 I ( I I Q 0' 50 100' 200' 300' May C�eeh Barbee Mill Company v 1 Bark Dredging - 2002 Bark Removal Area Q City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o o Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AURML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade.CAD • Cross-Section A-B SCALE 0 215' 50' 100' Sawmill A 4X Vertical Exageration B 24'- 22 OHWL (21.8' MSL) 20' 18' 16' 14' 12'— Estimated Bark Thickness 10' 8' 2' ,m,y. ' o' _2' Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" o L&AURML 3/02,updated 5/02 n Barbee Mill Company,P.O.Box 359,Renton Washington 98057 ' I File: E:\d,dg2002\TDSA.CAD Lake Washington NOTES: C <9019 Remove paving for expanded dredge dewatering area e lia0oVcvvaiegkr;:ximately4-6 feetandbermat projcompletionLifter rail loading/unloading dock Tem Dn�Jge Dewaterin• Area May Creek Delta lb %;.) 4 9O Do, Remove former rail ��f loading dock owH"-`21'al . ir 'NI.)..* . Remove °�yf(�J� Truck Lift ,,, /s J ' Scale: D �j� . ' 0'10' 25' 50' 100' �I 1 1 Bark Dredging - 2002 .- Q- Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" oa Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 3/02, updated 5/02 n 1 . I FYe: E:\drdg2002\TDSA.CAD 3 F i Cross-Section C-D SCALE 0 2�' 51)' 100' C D Dewatering Sediments Existing Grade C D 38' 36' - 34' 32' 15' 30' Dewatering Sediments 28 Berm 24'—' Berm 24' Existing Grade 22' 20' 3X Vertical Exageration Bark Dredging - 2002 TDS Area - Cross-Section C-D City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" L&Al/RML 3/02,updated 5/02 c Barbee Mill Company,P.O.Box 359,Renton Washington 98057 I n Flk: E:\drd02002\TDSA.CAD CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS MEMORANDUM DATE: July 23,2002 TO: Lesley Nishihira FROM: Sonja J.Fesser)) SUBJECT: Barbee Mill Soil Remediation,LUA-02-069,ECF,SM,SP Legal Description Review Bob Mac Onie and I have reviewed the legal description contained within the above referenced submittal and have the following comments: Comments for the Applicant: Comments made when reviewing the legal description for the Barbee Mill Plat(memo dated May 31,2002),appear to apply to the subject legal description because the same property is the subject of both land use action requests. Both submittals include exhibits(in this case a Neighborhood Detail Map)that exclude an irregularly shaped parcel along the south line of the subject property. However,neither legal description makes an exception for the irregularly shaped parcel. Review and revise either the legal description or neighborhood map of this submittal as needed. Are the lands westerly of the Inner Harbor Line considered a part of the subject property? The"PROJECT LOCATION SKETCH"noted on the A.L.T.A.A.C.S.M. Land Title Survey (Page 1 of 3 of the Bush,Roed&Hitchings,Inc. submittal)includes,as part of the"PROJECT", considerably more land than is part of the subject Barbee Mill. Revise said sketch as needed. It is noted that the King County Assessor's Account Number noted on the Land Use Permit Master Application is incorrect. Said number should be 322405-9034. III:\FILE.SYS\LND-Land Subdivision&Surveying Records\LND-I0-Plats\0397\RV0220717.doc 111 S CITY OF RENTON MEMORANDUM DATE: July 1, 2002 TO: Lesley Nishihira FROM: Juliana Sitthidet SUBJECT: BARBEE MILL DREDGING II - LUA 02-067 4201 Lake Washington Blvd I have reviewed the application for the dredging project and have the following comments: RECOMMENDED CONDITIONS 1. The applicant shall install silt fence along the outside down slope perimeter of the proposed berm of the dewatering area and along the May Creek. The silt fence shall be in place before clearing and grading is initiated, and shall be constructed in conformance with the specifications presented in of the King County Surface Water Design Manual. 2. No pumping of the water from the sediment area directly to May Creek or to Lake Washington shall be allowed. 3. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision to maintenance schedules or installation shall be submitted by the project Engineer of record to the public works inspector. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to final inspection approval. cc: Kayren Kittrick CITY OF RENTON ECONOMIC DEVELOPMENT NEIGHBORHOODS, AND STRATEGIC PLANNING MEMORANDUM DATE: June 18,2002 TO: Lesley Nishihira ttl FROM: Rebecca Lind STAFF CONTACT: Don Erickson SUBJECT: Barbee Mill Dredging II Background: The applicants are proposing dredging up to 20,000 cubic yards of bark, wood debris and bottom sediments which are to be transferred to a temporary storage area for dewatering and then moved upland away from the shoreline for off-site transport. This work is part of a lakebed restoration project the Barbee Mill Company has with the Department of Ecology. Relevant Comprehensive Plan Policies: A number of land use policies were identified in our memorandum of April 25, 2002 on the applicants' proposed preliminary plat (see attached). Some of more relevant policies from the Environmental Element include the following: Objective EN-A. Protect, restore and enhance environmental quality through land use plans and patterns, surface water management programs, park master programs, development reviews, incentive programs and work with citizens, land owners, and public and private agencies. Objective EN-B: Protect and enhance water quality of surface water resources. Policy EN-2. Manage water resources for multiple uses including recreation, fish and wildlife,flood protection, erosion control, water supply, energy production, and open space. Conclusion: The proposed dredging from the bottom of Lake Washington adjacent to the Barbee Mill Company property of bark and wood related debris appears consistent with the intent of the above objectives and policy of restoring and enhancing water quality. This work appears to be supported by the State Department of Ecology and the Army Corps of Engineers. No adverse environmental impacts were identified. The proposal appears to be mitigation for past mill operations. Recommendation: Support the proposed dredging of up to 20,000 cubic yards of material from the bottom of Lake Washington for habitat enhancement with the caveat that the material recovered will be disposed of off-site. Attachment cc: Don Erickson CITY OF RENTON ECONOMIC DEVELOPMENT NEIGHBORHOODS , AND STRATEGIC PLANNING MEMORANDUM DATE: April 25, 2002 TO: Leslie Nishihira FROM: Don Erickson SUBJECT: Barbee Mill Preliminary Plat,4201 Lake Washington Blvd. N., PRE 02-035 (PID 322405 9034) The applicants are proposing to plat the 22.9 acre Barbee Mill site on Lake Washington into 112 townhouse lots ranging in size between 1,800 square feet to 6,000 square feet. Front and rear setbacks are proposed to be a minimum of 10 feet with minimum 5 foot side yards where units are not attached. The proposed project is to be separated by the May Creek corridor. Townhouse lots for two-unit attached buildings are to be located on the north and west side of May Creek and buildings for up to five townhouses will be located east and south of May Creek. Currently stormwater runoff flows directly into Lake Washington and May Creek. The subject site is designated Center Office Residential on the Comprehensive Plan Land Use Map and zoned Center Office Residential-2. Relevant Comprehensive Plan Land Use Policies: Objective LU-U: Encourage projects throughout the designation which create cohesive, quality and landmark developments integrated with natural amenities. The intention is to create a compact, urban development with high amenity values that is a gateway to the City. Policy LU-124. Primary uses should include complexes of offices or residential development, hotels and convention centers, research and development facilities, and corporate headquarters. Policy LU-126. Individual properties may have a single use if they can be developed at the scale and intensity envisioned for the designation, or if proposed as part of a phased development and multi parcel proposal which includes a mix of uses. Policy LU-131. Maximum residential density on the various COR sites should range between 30 to 50 dwelling units per acre. The same area used for commercial and office development can also be used to calculate residential density. When proposed development does not involve a mix of uses, then minimum residential density should be 5 dwelling units per net acre. Policy LU-132. Site plans and proposed structures should be designed so as to fully integrate signage, building height, bulk, setbacks, landscaping, and parking considerations across the various components of each proposed development. Barbee Mill Preliminary Plat 2 06/18/02 Policy LU-133. Internal site circulation should be primarily pedestrian oriented. Policy LU-134. Vehicular access to each proposed development should be from a major street with the number of access points reasonably minimized. Policy LU-135. A combination of internal and external site design features should be encouraged such as: a. public area plazas, b. prominent architectural features, c. significant natural features, d. distinctive focal features, e. gateways, f structured parking, and g. other features meeting the spirit and intent of these policies. Analysis: The subject proposal for the construction of 112 townhouses on 112 lots on the 22.9-acre site appears to be consistent with Policies LU-124 and LU-134. However, a number of the other policies have not been met at this point. These include Objective LU-U, which speaks about creating landmark developments; Policy LU-126, allowing a single use when achieving the scale and intensity of development envisioned for the COR Zone; Policy LU-131, achieving a minimum density for single uses; Policy LU-132, coordinating with other proposed development; and Policy LU-135. The latter policy is in regards to providing a combination of internal and external site design features such as prominent architectural features, gateways, and distinctive focal features. For example, projects meeting the intent of the COR —2 land use designation could be anticipated to have public access to common walkways along the shores of Lake Washington and May Creek. Instead all frontages on these public waterways appear to have been retained for the exclusive use of abutting residents. Although the applicants have not provided a separate calculation for deleting streets and streams in order to calculate net densities, they state that their proposal achieves a minimum density of 6.58 du/net acre. This density however is not in the range of 30 to 50 units per acre envisioned in Policies LU-126 and LU-131. The minimum density is intended to apply only to the residential component of a phased development. Regarding Policy LU-134 vehicular access is limited to two access points off Lake Washington Blvd N., one for the development along the south side of May Creek and the other for the majority of the new housing development which is located on the north side of May Creek. The project, in the department's estimation, does not meet the intent of the Center Office/Residential designation in that it does not meet the intensity of development envisioned. Whereas the new development is fairly well integrated with the site's natural amenities, there is little indication that it will result in a"compact,urban development with high amenity values that is a gateway to the City"(Objective LU-U). Since this is a stand alone project there is no indication that an effort has been made to establish development criteria for signage, building height, bulk and character, landscaping, etc., that H:\EDNSP\Interdepartmental\Development Review\Preapps\Comments\PREAPP\COR\Barbee Mill Preliminary Plat.doc\d Barbee Mill Preliminary Plat 3 06/18/02 would work with the rest of this COR-2 designation (Policy LU-132). From the drawings submitted at this stage there is no indication of that a combination of internal and external site design features such as public area plazas, prominent architectural features, distinctive focal features or gateways have been provided(Policy LU-135). Conclusion: This application does not meet the stated purpose of the COR land use designation or that of the Center Office/Residential Zone as set out in Section 4-2-020M: "The purpose of the Center Office Residential Zone is to provide for a mix of intensive office and residential activity in a high quality, master planned development which is integrated with the natural environment." There is no mix of uses under this project proposal and the uses provided have not been master planned with other uses in this COR-2 designation. Also,it fails to achieve the densities in the 30 to 50 units per acre envisioned for this zone and required for single rather than mixed-use development. With no elevations or landscaping plans it is also difficult to ascertain the overall quality and amenity of this project. With little or no public amenity, there is little reason to believe that this development will become a destination for the public or function as any type of gateway to the City. Rather, it has all the trappings of an exclusive residential enclave on Lake Washington. cc: Rebecca Lind H:\EDNSPUnterdepartmental\Development Review\Preapps\Comments\PREAPP\COR\Barbee Mill Preliminary Plat.doc\d City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET VIEWING DEPARTMENT: 1, I( 1rp/U2.,�1py1 COMMENTS DUE: JUNE 20, 2002 APPLICATION NO: LUA-02-067, ECF, SM, SP DATE CIRCULATED: JUNE 6, e$2- — APPLICANT: Barbee Mill Company PROJECT MANAGER; lit-1t- -i R ,,,\ 7 PROJECT TITLE: Barbee Mill Dredging II WORK ORDER NO: 18996 — ■ �` LOCATION: 4101 Lake Wash. Blvd. No. `-y ii AN — 6 . . �� SITE AREA: 250,000 SF I BUILDING AREA(gross'1iA �t�!(, I r SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Rev ew and a tearing exanN miner Special Grade and Fill Permit in order to dredge up to 20,000 cubic yrds of materiai-from the bottom Lake---- Washington adjacent to the Barbee Mill Company property. The removal of bark and wood debris is intended to restore aquatic lands and will have a positive benefit on fisheries and shall water habitat. The permit is requested for a pperiod of 5-years in order to complete the independent cleanup action pursuant to review conducted by MTCA2 the Department of Ecology, and the Army Corp of Engineers. The proposal also requires approval of a Shoreline Substantial Development Permit. A. ENVIRONMENTAL IMPACT(e.g.Non-Code)COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities -_ Animals _ Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet I 14,000 Feet n B. POLICY-RELATED COMMENTS C. CODE-RELATED COMMENTS / ; i1, At i We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to proper! assess this proposal. ,4,./7 6/7/02 Signature of Director or Authorized Representative Date Routing Rev.10/93 City of Renton Department of Planning/Building/Public V vort<s ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET VIEWING DEPARTMENT: C ovis "Il(/11)y) y(/I ! COMMENTS DUE: JUNE 20, 2002 APPLICATION NO: LUA-02-067, ECF,SM, SP DATE CIRCULATED: JUNE 6,2002 CITY OF RENTON RECEIVED APPLICANT: Barbee Mill Company PROJECT MANAGER: LESLEY NISHIHIRA PROJECT TITLE: Barbee Mill Dredging II WORK ORDER NO: 78996 SUN b 21102 LOCATION: 4101 Lake Wash. Blvd. No. L3IJii SING DIVISION SITE AREA: 250,000 SF I BUILDING AREA(gross): N/A SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and a Hearing Examiner Special Grade and Fill Permit in order to dredge up to 20,000 cubic yards of material from the bottom Lake Washington adjacent to the Barbee Mill Company property. The removal of bark and wood debris is intended to restore aquatic lands and will have a positive benefit on fisheries and shall water habitat. The permit is requested for a period of 5-years in order to complete the independent cleanup action pursuant to review conducted by MTCA1 the Department of Ecology, and the Army Corp of Engineers. The proposal also requires approval of a Shoreline Substantial Development Permit. A. ENVIRONMENTAL IMPACT(e.g.Non-Code)COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED COMMENTS C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. St ature of Dir or or Authorized Representative Date Routing Rev.10/93 1rtY • C' h Proposed Mitigation Measures: 1. The applicant shall comply with any conditions of approval required for permits Issued or clean up plans approved by "rPA the Army Corp of Engineers,the Department of Ecology,or other pertinent agency. `. • 2. The applicant shall comply with the recommendations actions contained within the Biological Assessment prepared by Harm updated in March of 2002. NOTICE OF APPLICATION AND PROPOSED DETERMINATION OF NON- Comments on the above application must be submitted in writing to Lesley Niahlhlra,Senior Planner,Development Services Division,1055 South Grady Way,Renton,WA 98055,by 5:00 PM on June 20,2002.Thla matter Is oleo SIGNIFICANCE—MITIGATED(DNS-M) scheduled fore public hearing on July 30,2002,at 9:00 AM,Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,Renton.It you are interested In attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled.If comments cannot be submitted in writing by the date Indicated above,you may atilt appear at the hearing end present your comments on the proposal before JUNE 8,2002 the Hearing Examiner.If you have questions about this proposal,or wish to be made a parry of record and receive DATE: additional information by mall,please contact the project manager.Anyone who submits written comments will automaticallybecome a parry of record end will be notified of any decision on thin project. , LAND USE NUMBER: LUA-02-087,ECF,SP,SM APPLICATION NAME: BARBEE MILL DREDGING II CONTACT PERSON: LESLEY NISHIHIRA/(425)430-7270 PROJECT DESCRIPTION: The applicant Is requesting Environmental(SEPA)Review and a Hearing (PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION Examiner Special Grade and FM Permit In order to dredge up to 20,000 cubic movalsoff material hark and fwoorom d the ota Lake Washington adjacent to the Barbee MITI Company property. The Intended to restore aquatic lands and will have a positive benefit on fisheries and shadow water IubitaL The permit Is requested for a period of 5-years In order tocomplete Armydent of Engineerp action s. The propoul also N'g boAwod e.-il Map C.QR t to review conducted by MTCA,the Department of Ecology, YCorp2002 requires approval of■Shoreline Substantial Development PermlL PROJECT LOCATION: 4101 LAKE WASHINGTON BOULEVARD NORTH ' N I' OPTIONAL DETERMINATION OF NON-SIGNIFICANCE-MITIGATED(DNS-M):As the Lead Agency,the City of • lAe,� .. o t Therefore, - • Rent on has determined that 43 1Cnt o,the City of mponta are unlikely Optional result from the proposed b project. Jy ' as pS-M lit ik ly to the a 4321me t periods City r Rentonojt aningd the Optional DNS-MMprocess toof glue notice that a '. comm t likely to be issued.Comment periods for the project and the proposed DNS-M are Integrated Into a single , . ,,Mr„ comment period.There will be no comment period following the Issuance of the Threshold Determination of Non- blllp�ily'" / Significance Mitigated(DNS-M).A 14-day appeal period will follow the issuance of the DNS-M. 4i COR PERMIT APPLICATION DATE: May 29,2002 • //A/4'��• r NOTICE OF COMPLETE APPLICATION: June 8,2002 r/ JJ ^ • • f6 Permits/Review Requested: Environmental(SEPA)Review,Hearing Examiner Spacial Fill&Grade YY�/ 7St,:4 .,� Permit.Shoreline Substantial Development Permit .A� Omar Permits which may be required: WA `�_rlc, ffik S 8 Drainage Report,Wetlands Delineation,Biological Assessment - • a c: Requested Studies: r iyyyjie m Location where eppkcetion meY �..he reviewed: PienninglBuiidinglPublk:Works Diviabn,Development Services Department, � e y R-$1055 South Grady Way,Renton,WA 98055 •• -.---- ,,A°DsjC;7C!®! � r� -` I r�C4e.` �i. iyi �� �. PUBLIC HEARING: Public er in tentatively Council Chambers.H Y rings b Z beats the Renton Hearing ,,,,ef 0 T t xlKls:qu'i"5r• Examiner In Renton Council Chambers.Hearings begin et 9:00 AM on the 7th =7'Wi.ektira 74,,i F.T.11 floor of the new Renton City Hall located at 1055 Grady Way South. .W - "'u„t 411:10 aositNerifil�r tsi CONSISTENCY OVERVIEW: 1� .Ph4, rev!Land Uu: The subject ive In located within the COR-2 zoning he prop se end COR •�i1.!R- R$Comprehensive Plan Land Uae Map dealgnelion.The proposed remediation }`./ �aa'�M,1/LIar•�� E1.114 action 4 consistent with both of these land use designations. �`,IIY a/ tZli IR./ UGFu 1iisil.yt�soEvaluate th cal oposed nta that y ialIimit1ti�aEvaluate the Proposed Protect: Previous environmental revew wea contlucted for the protect by the Ciry of - /r i%�'sti"'. Renton under fib no.LUA-97.158.This land use application la Intended to update and extend the permit for an additional five years. If you would like to be made a party of record to receive further Information on this proposed project,complete Developmente rro Regulationsthis form and return to:City of Renton,Development Planning,1055 So.Grady Way,Renton,WA 98055. Used For Project Mitigation: The project will be nubtcot tome Drys SEPA Ordinance,Building Zoning le.U ormn Fire File No./Name:LUA-02-067,ECF,SP,SM/BARBEE MILL DREDGING II Master Program,Public Works Standards.Uniform Building Code.Uniform Fire Code and other applicable codes and regulations as appropriate. NAME: ADDRESS: TELEPHONE NO.: WA NOA t, MARILYN KAMCHEFF NOTARY PUBLIC STATE OF WASHINGTON CERTIFICATION COMMISSION EXPIRES JUNE 29, 2003 I, E. `'uk, I , hereby certify that copies of the above document were posted by me in _ conspicuous places on or nearby the described property on -3.A,NQ 12 0Z_ e Signedrt -c(a h,rrtG / , _ ATTEST:Subscribed an worn afore me,a Notary Public,in and for tate of Washington residing ,on the '! day of Lcic3 �[0 e,- . MARILYN KAMCHEFF MY APPOINTMENT EXPIRES: 6-29-03 CITY OF RENTON DEVELOPMENT SERVICES DIVISION LIST OF SURROUNDING PROPERTY OWNERS within 300 feet of the subject site PROJECT NAME: Z?CJ.k r't20CCi VY21 ZCC-) Z APPLICATION NO: _� ► 1 U1 - v1, eLf isp . S►' ) The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER Sew odiee cecI /CteI . Ar4I^' t • .403 r�?EiCT DEVE(��, Cr r�. L NNT t= UF REnrnNVlbc: • A RE('' 't VD (Attach additional sheets, if necessary) 1 (Continued) NAME ADDRESS ASSESSOR'S PARCEL NUMBER Applicant Certification I, ?- itiC e/T L LL Q Y , hereby certify that the above list(s) of adjacent property (Print Name) owners and their addresses were obtained from: ❑ Title Company Records .King County Assessors Records C KIM L.WILLIAMS Signed 6-1 Date .5 z�S/o NOTARY PUBLIC / (Applicant) STATE OF WASHINGTON NOTARY COMMISSION EXPIRES I OCTOBER 6, 2005 ATTESTED: Subscribe and worn before me, a Notary Public, in and fgr the - • f,: . • residing at Ai0P. 7t on the oeff day of mai , 20 D� . Signed /M (Notary Public) ****For Cit of Renton US **"* MARILYN KAMCHEFF CERTIFICATION OF MAI II ITARY PUBLIC I, ii)Icifit fl )Cv // , hereby certify that notices of the pr p $ *1kM/g.11 led to (City Employee) JUIVE 29, 2003 each listed pr perty owner n ,.}ztii- C' 0I, . Signed / !' . Date: Vic./Gi' NOTARY ATT T: Subscribed and sworn before me, a Notary Pt 'c, in and for the State of Washington residing at f ' („�C-2') on the C `fA day of ,20 (' Z4- Signed ) listprop.doc REV 03/00 MARILYN KAMCHEFF MY APPOINTMENT EXPIRES:6-29-03 2 Ofrcii/62---- 22405-9050-U9 322405-9050-09 THOMSON NtIL 741859 THOMSON NEIL 741859 PO oUX 76 PU BOX 7o MERCER ISLAND wA 98040 MERCER ISLAND WA 98040 322405-9058-01 322405-9058-01 HELLNA PATRICIA S M 479999 HELINA PATRICIA $ M 479999 4004 LAKE wASHINGTUN ;BLVD N 4004 LAKE WASHINGTON BLVD N RENTON WA 98056 KENTUN WA 9805b 322405-9059-00 322405-9059-00 HICKS GARDNER 091688 HICK.) GARDNER 091688 4006 LAKE WASH BLVD N ::4 4008 LAKE WASH BLVD N 44 RENTON WA 96056 KENTUN WA 9805b 322405-9081-02 322405-9081-02 FAWCETT CLARISSA 149800 FAWCETT CLARISSA 149800 4008 MEADOW AVE N 4008 MEADOW AVE N RENTUN WA 98056 RENTUN WA 4805b 33427J-0005-01 334270-0005-01 BARBEE FOREST PRODUCTS INC 519999 BARBEE FOREST PRODUCTS INC JI9999 4101 LAKE WASHINGTON BLVD N 4101 LAKE WASHINGTON BLVD N RENTON WA 96057 RENTON WA 98057 334270-0070-01 334270-0070-01 BOYDSTON TONY 969999 BUYDSTON TONY 969999 3901 LAKE WASHINGTUN BLVD N 3901 LAKE WASHINGTON BLVD N RENTON WA 98056 RENTON wA 98056 33427U-0080-09 334270-0080-09 ZLLMER MARK E+RUSEMA►(Y 949999 ZILMER MARK E+ROSEMARY 949999 3837 LAKE WASHINGTON BLVD N 3637 LAKE WASHINGTON BLVD N 96056RENTON WA 98056 RENTON WA 334270-0415-J5 334270-0415-05 HUNT MARGARET E 100782 HUNT MARGARET E 100782 3908 LAKE WASHINGTON BLVD N 3908 LAKE WASHINGTON BLVD N RENTUN WA 96056 RENTON WA 9805b 334270-0425-U3 334270-0425-03 HUNT THOMAS R+CARYL J 539999 HUNT THOMAS R+CARYL J _',39999 3916 LAKE WASHINGTON BLVD N 3916 LAKE WASHINGTON BLVD N RENTUN WA 98056 RENTON WA 98056 334170-0427-01 334270-U427-01 NICULI BRUNU I L SARAH C 103421 NICULI BRUNO I t. SARAH C ].D3421 340v BURNETT AVE N 3404 BURNETT AVE N RENTON WA 96056 RENTUN wA 98056 /FY14/1V * BATCH NUMBER: GA COMMENTS * CUSTOMER NAME MICHAEL LLOYD 221100-0010-08 221200-0010-08 JOHNSON 5TEWART W 219999 JOHNSi)N STEWART w 219999 4100 LAKE WASHINGTON BL N 4A101 4100 LAKE WASHINGTON BL N 4AL01 RENTON WA 98056 RENTON WA 98056 29240,-9002-03 292405-9002-03 QUENDALL TERMINALS QUENDALL TERMINALS PO BOX 477 PU BOX 477 RtNTON WA 96055 RENTON WA 98055 292405-9005-00 292405-9005-00 BURLINGTON NORTHRN SANTA Ft09O764 BURLIN(,IUN NORTHRN SANTA FEJ90764 ATTN: PROP TAX ATTN: PROP TAX PU BOX 9b189 PU BOA 96189 FORT WORTH TX 76161 FORT WORTH TX 76161 322405-9005-05 322405-9005-05 BURLINGTON NORTHRN SANTA FE0907b4 BURLINGTON NORTHRN SANTA FE0907b4 ATTN: PROP TAX ATTN: PROP TAX PO BOX 9b189 PO BOX 96189 FORT WORTH TX 76161 FORT WORTH TX 76161 322405-9034-00 . 22405-9034-00 BARBEE FOREST PRODUCTS INC 0NZ017 BARBEE FOREST PRODUCTS INC C►NZ017 BOX 359 BOX 359 RENTON WA 98057 RtNTON WA 98057 322405-9036-08 322405-9036-08 HICKS GARDNER w 091667 HICKS GARDNER w J91687 4008 LAKE WASH BLVD N M 4 4008 LAKE WASH BLVD N :: 4 RENTUN WA 98056 RENTON WA 98056 322405-9039-05 322405-9039-05 BALDWIN DONALD P 900537 BALDWIN DONALD P 900537 4017 PARK AVt N 4017 PARK AVE N RENTON wA 96056 RENTON WA 98056 322405-9049-U3 3[2405-9049-03 PORT WUENDALL COMPANY 111437 PORT QUENDALL COMPANY 111437 505 5TH AVt S 490U 505 5TH AVE 5 490J SEATTLE WA 96104 SEATTLE WA 98104 U1 lY �� NOTICE OF APPLICATION AND PROPOSED DETERMINATION OF NON- SIGNIFICANCE - MITIGATED (DNS-M) DATE: JUNE 6,2002 LAND USE NUMBER: LUA-02-067,ECF,SP,SM APPLICATION NAME: BARBEE MILL DREDGING II PROJECT DESCRIPTION: The applicant Is requesting Environmental (SEPA) Review and a Hearing Examiner Special Grade and Fill Permit in order to dredge up to 20,000 cubic yards of material from the bottom Lake Washington adjacent to the Barbee Mill Company property. The removal of bark and wood debris is intended to restore aquatic lands and will have a positive benefit on fisheries and shallow water habitat. The permit is requested for a period of 5-years In order to complete the Independent cleanup action pursuant to review conducted by MTCA, the Department of Ecology, and the Army Corp of Engineers. The proposal also requires approval of a Shoreline Substantial Development Permit. PROJECT LOCATION: 4101 LAKE WASHINGTON BOULEVARD NORTH • OPTIONAL DETERMINATION OF NON-SIGNIFICANCE-MITIGATED(DNS-M): As the Lead Agency,the City of Renton has determined that significant environmental impacts are unlikely to result from the proposed project. Therefore, as permitted under the RCW 43.21 C.110,the City of Renton is using the Optional DNS-M process to give notice that a DNS-M is likely to be issued. Comment periods for the project and the proposed DNS-M are integrated into a single comment period. There will be no comment period following the issuance of the Threshold Determination of Non- Significance Mitigated(DNS-M). A 14-day appeal period will follow the issuance of the DNS-M. PERMIT APPLICATION DATE: May 29,2002 NOTICE OF COMPLETE APPLICATION: June 6,2002 Permits/Review Requested: Environmental(SEPA)Review,Hearing Examiner Special Fill&Grade Permit,Shoreline Substantial Development Permit Other Permits which may be required: N/A Requested Studies: Drainage Report,Wetlands Delineation,Biological Assessment Location where application may be reviewed: Planning/Building/Public Works Division,Development Services Department, 1055 South Grady Way,Renton,WA 98055 PUBLIC HEARING: Public hearing tentatively scheduled for July 30,2002 before the Renton Hearing Examiner in Renton Council Chambers. Hearings begin at 9:00 AM on the 7th floor of the new Renton City Hall located at 1055 Grady Way South. CONSISTENCY OVERVIEW: Land Use: The subject site is located within the COR-2 zoning designation and COR Comprehensive Plan Land Use Map designation. The proposed remediation action is consistent with both of these land use designations. Environmental Documents that Evaluate the Proposed Project: Previous environmental review was conducted for the project by the City of Renton under file no.LUA-97-156. This land use application is intended to update and extend the permit for an additional five years. Development Regulations Used For Project Mitigation: The project will be subject to the City's SEPA Ordinance,Zoning Code,Shoreline Master Program, Public Works Standards, Uniform Building Code, Uniform Fire Code and other applicable codes and regulations as appropriate. NOA Proposed Mitigation Measures: 1. The applicant shall comply with any conditions of approval required for permits issued or clean up plans approved by the Army Corp of Engineers,the Department of Ecology,or other pertinent agency. 2. The applicant shall comply with the recommendations actions contained within the Biological Assessment prepared by Harza,updated in March of 2002. Comments on the above application must be submitted in writing to Lesley Nishihira,Senior Planner,Development Services Division, 1055 South Grady Way,Renton,WA 98055,by 5:00 PM on June 20,2002. This matter is also scheduled for a public hearing on July 30,2002,at 9:00 AM,Council Chambers,Seventh Floor, Renton City Hall,1055 South Grady Way,Renton. If you are interested in attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled. If comments cannot be submitted in writing by the date indicated above,you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal,or wish to be made a party of record and receive additional information by mail,please contact the project manager. Anyone who submits written comments will automatically become a party of record and will be notified of any decision on this project. CONTACT PERSON: LESLEY NISHIHIRA/(425)430-7270 PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION Neighborhood D=tail Map COR •�4/ Bark/Debris Dred•e-2002 i' " /\ ji, .___ — ,.... • SCALE N 1 4/./A.A., . , ! -'arbee Mill ; 1.� i il ompany J ( COyAririzhara CORr �. 1)1 .//1' , , . .. ,s,. . .\\ I ` 4•4 t.I l • /4, '' e•, Att,„ ., • 0,. . , , . ..'w:. , 0 .,,r ... b. . ...... -- --= N4 = SE 40th Street ;a:► + E .,, .rli'+..tea j rc _ - Y,.,. N 35th`Street • ammesswi _Pi ±- WEBER` If you would like to be made a party of record to receive further information on this proposed project,complete this form and return to:City of Renton, Development Planning, 1055 So.Grady Way, Renton,WA 98055. File No./Name: LUA-02-067, ECF, SP,SM/BARBEE MILL DREDGING II NAME: ADDRESS: TELEPHONE NO.: NOA NI CITY F RENTON Planning/Building/PublicWorks Department dmIND Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator June 6, 2002 Mr. R. Michael Lloyd Lloyd &Associates, Inc. 38210 SE 92nd St. Snoqualmie, WA 98065 SUBJECT: Barbee Mill Dredging II Project No. LUA-02-067, ECF, SM, SP Dear Mr. Lloyd: The Development Planning Section of the City of Renton has determined that the subject application is complete according to submittal requirements and, therefore, is accepted for review. It is tentatively scheduled for 'consideration by the Environmental Review Committee on July 2, 2002. Prior to that review, you will be notified if any additional information is required to continue processing your application. A Public Hearing will be held by the Renton Hearing Examiner in the Council Chambers on the seventh floor of City Hall, 1055 South Grady Way, Renton, Washington, on July 30, 2002 at 9:00 AM to consider the proposal for a Special Permit for Grade & Fill Dredging at the Barbee Mill Company. The applicant or representative(s) of the applicant is required to be present at the public hearing. A copy of the staff report will be mailed to you one week before the hearing. If the Environmental Determination is appealed, the appeal will be heard as part of this public hearing. Please contact me, at (425)430-7270, if you have any questions. Sincerely, lY Lesley Nishihira �J Senior Planner cc: Barbee Mill Company/Owners acceptance RENTON 1055 South Grady Way-Renton,Washington 98055 ® AHEAD OF THE CURVE This paper contains 50%recycled material,30%post consumer CITY OF RENTON DEVELOPMENT SERVICES DIVISION LAND USE PERMIT MASTER APPLICATION PROPERTY OWNER(S) I PROJECT INFORMATION NAME: PROJECT OR DEVELOPMENT NAME: �� � ea . f3gi2+�-�GtboD D/2 1 &/AJ 6-- ADDRESS: -"pa _ / Jr PROJECT/ADDRESS(S)/LOCATION AND ZIP CODE: CITY: ZIP: 1/ / L.a la_ (,i9-s/77iV6 TO,�J /3Lv TELEPHONE NUMBER: � -22 - 3�0 0 KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): SZ zS � APPLICANT (if other than owner) Z4/oS — 3 -p� EXISTING LAND USE(S): NAME: �H/1't / /ALIe.0 Fa PROPOSED LAND USE(S): / uOMPANY(if applicable): DEVELOPM,t f O� �, r , , ��Du S *(--/CO CITY .,r L'`.•:'i dG�r RFA oN EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: ADDRESS: G'c /Z- PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION CITY: ZIRECE VED (if applicable): cc)/2-- TELEPHONE NUMBER EXISTING ZONING: PROPOSED ZONING (if applicable): e6 ,Z CONTACT PERSON SITE AREA (in square feet): a j O f 04C s NAME: N / SQUARE FOOTAGE OF ROADWAYS TO BE DEDICATED ,(/riet i lie_ L LU L FOR SUBDIVISIONS OR PRIVATE STREETS SERVING THREE LOTS OR MORE (if applicable): COMPANY(if applicable): it///9-- L.d PROPOSED RESIDENTIAL DENSITY IN UNITS PER NET ADDRESS: �� ACRE(if applicable): A /� 3 82 4 SE �Z Ste' _ NUMBER OF PROPOSED LOTS(if applicable): CITY:SA au H- M/ ZIP: ,( Uc�� , /U/� > NUMBER OF NEW DWELLING UNITS(if applicable): TELEPHONE NUMBER AND E-MAIL ADDRESS: N /4- masterap.doc Revised January 2002 _ _ _OJECT INFORMATION (coi._..iued) NUMBER OF EXISTING DWELLING UNITS(if applicable): PROJECT VALUE: N/ice SQUARE FOOTAGE OF PROPOSED REID,�NTIAL IS THE SITE LOCATED IN ANY TYPE OF BUILDINGS (if applicable): ,j , /t ENVIRONMENTALLY CRITICAL AREA, PLEASE INCLUDE SQUARE FOOTAGE(if applicable): SQUARE FOOTAGE OF EXISTING RESIDENTIAL BUILDINGS TO REMAIN (if applicable): A) 0 AQUIFER PROTECTION AREA ONE SQUARE FOOTAGE OF PROPOSED NON-RESIDENTIAL 0 AQUIFER PROTECTION AREA TWO BUILDINGS (if applicable): It.)7/ — 0 FLOOD HAZARD AREA sq.ft. 0 GEOLOGIC HAZARD sq.ft. SQUARE FOOTAGE OF EXISTING NON-RESIDENTIAL 0 HABITAT CONSERVATION sq.ft. BUILDINGS TO REMAIN (if applicable): ��4_ SHORELINE STREAMS AND LAKES sq.ft. NET FLOOR AREA OF NON-RESIDEN IAL BUILDINGS(if 0 WETLANDS sq.ft. applicable): Ai i� NUMBER OF EMPLOYEES TO BE EMPLOYED BY THE NEW PROJECT(if applicable): LEGAL DESCRIPTION OF PROPERTY (Attach legal description on separate sheet with the following information included) SITUATE IN THE N IA/ QUARTER OF SECTION 3/, TOWNSHIP Z 1, RANGE S, IN THE CITY OF RENTON, KING COUNTY, WASHINGTON. TYPE OF APPLICATION & FEES Check all application types that apply -- City staff will determine fees. _ANNEXATION(A) $ SHORELINE REVIEWS COMP PLAN AMENDMENT(CPA) $ _CONDITIONAL USE(SM-C) $ — —CONDITIONAL USE PERMIT(CU-A,CU-H) $ _EXEMPTION(SME) $ NO CHARGE —ENVIRONMENTAL REVIEW(ECF) $ •5CL��.Ob _SUBSTANTIAL DEVELOPMENT(SM) $ 5.10•00 GRADE&FILL PERMIT(GF) $ _VARIANCE(SM-V) $ (No.Cu.Yds:_ ) $ REZONE(R) $ SUBDIVISION _ROUTINE VEGETATION $ _BINDING SITE PLAN(BSP) $ MANAGEMENT PERMIT(RVMP) _FINAL PLAT(FP) $ _SITE PLAN APPROVAL(SA-A,SA-H) $ _LOT LINE ADJUSTMENT(LLA) $ SPECIAL PERMIT(SP) $ 2_ .or) _PRELIMINARY PLAT(PP) $ _TEMPORARY PERMIT(TP) $ _SHORT PLAT(SHPL-A,SHPL-H) $ VARIANCE(V-A,V-H,V-B) $ (from Section: ) $ Postage: $ _WAIVER(W) $ TOTAL FEE $ OTHER: $ IAFFIDAVIT OF OWNERSHIP I I, (Print Name) ROl3e2T- C.o( NI 1 , declare that I am (please check one) the current owner of the property involved in this application or yC the authorized representative to act for a corporation (please attach proof of authorization)and that the foregoing statements and answers herein contained and the information -rei/ith are in all respects true and correct to the best of my knowv le i�'beii�f. 04114k I rti that I kn`- or •.ve ..tisfactory evidence that ��11 t tp • p ,'_/_�._i,1 signed this instrumert� acLc(J •, 11 . . �•: n voluntary act for the uses aid is.6tes '9� (Signature of Owner/Representativ Aar �. G • s • E •dry • a .• • for the State of Washington /I' •'. � O 1 ••...,r-29-..., (Signature of Owner/Representative) Notary(Print) �� ��� tt1S`qreof.-, _ My appointment expires: /�]'--0 \\����� masterap.doc Revised January 2002 / 0 A Lloyd &Associates, Inc. _. - 38210 SE 92nd Street,Snoqualmie,Washington 98065 425-888-1905 rml@centurytel.net May 28, 2002 Jennifer Henning City of Renton Planning/Building/Public Works Dept. 1055 South Grady Way Renton, Washington 98052 RE: Special Permit Application for Grade & Fill Dredging Dear Ms. Henning: Enclosed please find a completed permit application for a Special Permit for Grade & Fill Dredging at the Barbee Mill Company. This application is for the dredging of up to 20,000 y3 of bark and wood debris that current rests on aquatic lands in Lake Washington adjacent to the Barbee Mill Company. We are requesting a 5-year permit that would allow completion of this project in one year or in future years as may be necessary or required. This work is being in an independent cleanup action pursuant to MTCA. The Department of Ecology has reviewed this plan. Concurrently, we are also pursuing an amendment to our existing permit with the Corps of Engineers to allow for completion of this aquatic land restoration in 2002. We are requesting that the City of Renton grant this permit request in the most timely and expedient manner so that this cleanup can be completed this year prior to anticipated wet conditions in the late fall. The Department of Ecology, Department of Fish & Wildlife, and the Corps of Engineers are desirous that this work be completed in a single season to eliminate multiple impacts of dredging in succeeding years and to facilitate the return of aquatic flora and fauna, including critical shallow water habitat for salmonoid species, to Lake Washington. Thank you for assistance in working with the Barbee Mill Company and our consulting team on this important project. If you have any questions or need additional information, please call me at 425-888-1905 of emial me at rml@centurytel.net. Sincerely, LLOYD & ASSOCIATES, INC. DEVELOPMF�ctPJT�ONN�NG R. ichael Lloyd, PhD/JD clN o. - Project Manager for the Barbee Mill Company cc. R. Cugini RECeigED L. Manolopoulos City of Renton-Bark&Debris Dre,.b...g Permit Application Barbee Mill Company Item 2 - Environmental Checklist A. BACKGROUND 1. Name of proposed project: Barbee Mill Bark& Wood Debris Dredging- 2002 2. Name of applicant: Barbee Mill Company, Inc. 3. Address and phone number of applicant and contact person: Applicant: Barbee Mill Company, Inc. 4101 Lake Washington Blvd. N. Renton, Washington 98057 -R 425-226-3900 Contact: v CA, Michael Lloyd, PhD/JD 0 r- m- Lloyd&Associates, Inc. 38210 SE 92nd Street zy. Snoqualmie, WA 98065 O , 425-888-1905 4. Date checklist prepared: May 17, 2002 5. Agency requesting checklist: City of Renton, Development Services Division 6. Proposed timing or schedule (including phasing, if applicable): Dredging will be conducted in the summer of 2002 and/or in succeeding years to remove bark and wood debris from Lake Washington. Dredging will be scheduled to avoid potential fisheries impacts during seasonal runs. 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. Yes. Dredging may be conducted in future years to remove bark and wood debris from Lake Washington as may be required. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. Previous special permits have been obtained from the City of Renton. Previous dredging permits have also been secured from the Corps of Engineers. A biological assessment has been prepared and accepted by the National Marine Fisheries Service (NMFS), NOAA, Corps of Engineers, and the Department of Ecology. A copy is provided with this application. 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. No other applications are pending related to dredging with the City of Renton. ,v Page 1 of 12 Item 2 Environmental Checklist 2002.doc 4tev. City of Renton-Bark&Debris Dre..b...g Permit Application Barbee Mill Company 10. List any governmental approvals or permits that will be needed for your proposal, if known. City of Renton, Special Permit for Grade and Fill/Shorelines Exemption Department of Fisheries, Hydraulic Project Approval Department of Ecology, Water Quality Certification/Modification Maintenance Dredging Permit update, US Army Corps of Engineers 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. This project consists of dredging up to 20,000 y3 of bark and wood debris. Dredging will occur from barges on Lake Washington with temporary upland storage. The purpose of the project is to restore aquatic lands impacted by bark. 12. Location of the proposal: The proposed dredging project will occur in Lake Washington on aquatic land owned by Barbee Mill Company and the Department of Natural Resources immediately adjacent to Mill Company, Inc., 4101 Lake Washington Boulevard N., Renton, WA 98065. The project location is as follows: SECT-TWNP-P: 31-24-5 B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other: Dredge location is flat with a slope less than 5%, to the west. b. What is the steepest slope on the site (approximate percent slope). The steepest slope near the site/facility is approximately 10%; upland approximately 400'from dredge area. c. What general types of sediments are found on the site? If you know the classification of agricultural soils, specify and note any prime farmland. Soils are generally sands and gravels. Soils are well graded and drain rapidly. There is no prime farmland. The site is an industrial area. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. No. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Page 2 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Dre..b...g Permit Application Barbee Mill Company Up to 20000 y3 of bark and wood debris will be dredged from the lakebed to restore aquatic habitat. No fill will be deposited in the water. Natural lakebed grades will be restored by removing accumulated bark. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Measures to control the potential erosion of dredged materials will be implemented per permit conditions established by the Army Corps of Engineers and as described in this application package. Measures include: (1) dewatering of dredge spoils; (2) control of runoff from upland temporary storage in a berm; (3) use of a silt fence to control turbidity in Lake Washington during dredging operations; and(4) monitoring of water quality durirg construction to assure compliance with proposed work in accord with Best Management Practices. g. About what percent of the site will be covered with impervious surfaces after project construction? No new impervious surface(s) will be created. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Measures to control the potential erosion of dredged sediments will be implemented per the permit conditions established by the Army Corps of Engineers. Additionally (see also part 5 of this application package), a containment berm will be seeded with grass to control erosion and to provide for temporary storage and dewatering of dredged spoils. 2. AIR a. What types of emissions to the air would result from the proposal (i.e., dust, automobile. odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Emissions will be limited to exhaust from dredging equipment and vehicles on site during dredging operations. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. None. c. Proposed measures to reduce or control emissions or other impacts to air, if any: Proper maintenance and operation of equipment. 3. WATER a. Surface Water: Page 3 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Dres,,,g Permit Application Barbee Mill Company 1) Is there any surface water body on or in the immediate vicinity of the site including year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. Proposed project will occur in Lake Washington on aquatic lands leased or owned by Barbee Mill Company. 2) Will the project require any work over, in or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. Yes. Dredging will be conducted in Lake Washington. 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. Up to 20,000 y3 of bark and wood debris will be dredged. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. No. 5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. No. Lake elevation is maintained by Army Corps of Engineers. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. b. Groundwater 1) Will groundwater be withdrawn, or will water be discharged to groundwater? Give general description, purpose, and approximate quantities, if known. Dredged materials will be held in the temporary storage are for partial dewatering by infiltration. 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. Page 4 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris DrL. __Ag Permit Application Barbee Mill Company No waste materials (hazardous or solid) will be generated or discharged to groundwater as a result of this project. c. Water Runoff(including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. Runoff from wet dredged spoils will be partially dewatered during dredging. Remaining water in dredged sediments will be contained in the temporary dredge storage area designed to control and minimize runoff(including storm water) to Lake Washington. 2) Could waste material enter ground or surface waters? If so, generally describe. No waste materials will enter ground or surface waters. Wet bark and wood debris will be dewatered by infiltration in the temporary storage area. These measures will minimize potential turbidity and/or oxygen depleting conditions in Lake Washington. d. Proposed measures to reduce or control surface, ground, and runoff impacts, if any: The temporary storage area will be vegetated to minimize run-off and potential erosion [See c. 1) and 2) directly above]. A silt fence/curtain will be installed upland as a back up measure to control potential siltation and/or turbidity. 4. PLANTS a. Check or underline types of vegetation found on the site: ❑ deciduous tree: alder, maple, aspen, other ❑ evergreen tree: fir, cedar,pine, other shrubs ❑ grass pasture ❑ crop or grain ❑ wet soil plants: cattail,buttercup, bullrush, skunk cabbage, other ❑ water plants: water lily, eel grass, milfoil, other ❑ other types of vegetation b. What kind and amount of vegetation will be removed or altered? Some water plants (principally milfoil) may be removed by the dredging although the quantity is anticipated to be very small because the existing lake bottom is covered with bark that has inhibited aquatic plant growth. c. List threatened/endangered species known to be on or near site. No threatened or endangered plants are known to be on or near the site d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: Page 5 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Dre..s...g Permit Application Barbee Mill Company Existing dredged area has been seeded with grass and plants to control erosion. This area will serve to provide temporary storage of dredged materials. After the dredging is completed grass/shoreline plants will remain as a permanent improvement in facility appearance. This work was initiated during the previous permits and will continue during the next permit cycle. 5. ANIMALS a. Underline any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds hawk, heron, eagle, songbirds, other: ducks/geese/osprey Mammals: deer, bear, elk,beaver, other Fish: bass, salmon,trout, herring, shellfish, other: b. List any threatened or endangered species known to be on or near the site. Eagles and ospreys frequently observed in the area. Salmonoid species are known to spawn in May Creek and would seek cover in a restored aquatic habitat. c. Is the site part of a migration route? If so, explain. Lake Washington is generally part of a migration route for ducks, geese, and other waterfowl. d. Proposed measures to preserve or enhance wildlife, if any: The May Creek Corridor has been partially revegetated to preserve and to enhance wildlife. 6. ENERGY AND NATURAL RESOURCES a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. Diesel fuel will be used to operate dredging equipment. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: None. 7. ENVIRONMENTAL HEALTH Page 6 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Dr.us„ig Permit Application Barbee Mill Company a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. No. Laboratory testing has indicated that sediments are clean, meet Class II quality criteria for soils, and do not pose an environmental or health hazard. 1) Describe special emergency services that might be required. Medical services may be required in the event of accident or injury during dredging. 2) Proposed measures to reduce or control environmental health hazards, if any: None. Environmental health hazards were not encountered during previous permitted dredging, and none are anticipated during future dredging. b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? None. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. An increase in short-term, temporary noise would be expected from dredging equipment and trucks removing dredged material from the site. 3) Proposed measures to reduce or control noise impacts, if any: Equipment will be operated during daylight hours (Monday - Friday) to minimize noise impacts to the neighborhood. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? The site is a sawmill producing dimensional lumber. Adjacent properties to the north and east are zoned commercial arterial and industrial. Properties immediately to the south are residential lots owned by the Cugini family. Properties further south, approximately 300 feet, are zoned residential 8 du/ac and 10 du/ac. b. Has the site been used for agriculture? If so, describe. No. c. Describe any structures on the site. Page 7 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Dreuguig Permit Application Barbee Mill Company The Barbee Mill Company site has numerous buildings, as would be typically associated with saw mill activities. d. Will any structures be demolished? If so, what? No. e. What is the current zoning classification of the site? Center Office/Residential f. What is the current comprehensive plan designation of the site? Upland site is approved for PUD for multi family, consistent with comprehensive plan. g. If applicable, what is the current shoreline master program designation of the site? Urban. h. Has any part of the site been classified as an 'environmentally sensitive' area? If so, specify. Yes. The dredging area is adjacent to the shoreline of Lake Washington on aquatic lands, which will support threatened or endangered species when the project is completed. Lake Washington is a protected Class A surface water of the State of Washington. i. Approximately how many people would reside or work in the completed project? A maximum of 20 people would work during dredging operations. j. Approximately how many people would the completed project displace? None. k. Proposed measures to avoid or reduce displacement impacts: None required. 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: Restoration of aquatic lands will substantially improve aquatic habitat for plants and animals. 9. HOUSING Page 8 of 12 Item 2 Environmental Checklist 2002.doc • City of Renton-Bark&Debris Dt.,..5.ag Permit Application Barbee Mill Company a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. Not applicable. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. Not applicable. c. Proposed measures to reduce or control housing impacts, if any: Not applicable. 10. AESTHETICS a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s)proposed. No structures or buildings have been proposed. b. What views in the immediate vicinity would be altered or obstructed? None (see 10. a. directly proceeding). c. Proposed measures to reduce or control aesthetic impacts, if any: Not applicable. 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Not applicable. b. Could light or glare from the finished project be a safety hazard or interfere with views? Not applicable. c. What existing off-site sources of light and or glare may affect your proposal? None d. Proposed measures to reduce/control light and glare impacts: None required. 12. RECREATION Page 9 of 12 Item 2 Environmental Checklist 2002.doc • City of Renton-Bark&Debris Dreugi,rg Permit Application Barbee Mill Company a. What designated and informal recreational opportunities are in the immediate vicinity? Lake Washington supports many water related recreational opportunities: boating, swimming,fishing, etc. b. Would the proposed project displace any existing recreational uses? If so, describe. No. c. Proposed measures to reduce or control impacts on recreation, including recreational opportunities to be provided by the project or applicant, if any: None. No negative impacts on recreation are anticipated. 13. HISTORIC AND CULTURAL PRESERVATION a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe. None known. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. None known. c. Proposed measures to reduce or control impacts, if any. None. No impacts are anticipated. 14. TRANSPORTATION a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. The Barbee Mill Company is served by Lake Washington Boulevard N. b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? No. c. How many parking spaces would the completed project have? How many would the project eliminate? No change in parking spaces would result. Page 10 of 12 Item 2 Environmental Checklist 2002.doc City of Renton-Bark&Debris Drcugiiig Permit Application Barbee Mill Company d. Will proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). No. e. Will the project use (or occur in immediate vicinity) transportation? If so, generally describe. Dump trucks will be used to remove dredge materials after dewatering. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. Upon completion of dredging, no net increase in the number of vehicle trips per day will be generated by the project. However, approximately 10-15 trips per day will be generated by the removal of dredged materials. Currently, approximately 25-50 vehicle trips occur daily. Peak volumes will most likely occur in late morning and early afternoon. g. Proposed measures to reduce or control transportation impacts: Dredged materials will be removed gradually over a period of approximately 6 months such that immediate or concentrated transportation impacts will be minimal. 15. PUBLIC SERVICES a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. A short-term potential need for emergency medical services may result. No other impacts are anticipated. b. Proposed measures to reduce or control direct impacts on public services, if any. Employees will be cautioned as to potential dangers of working with heavy equipment. Appropriate safety measures will be taken to protect workers. 16. UTILITIES a. Underline utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, other. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Dredging will occur from barges located in Lake Washington. No utility requirements are anticipated. Page 11 of 12 Item 2 Environmental Checklist 2002.doc • Barbee Mill Company Bark&Debris Dredging Permit Application C. SIGNATURE I, the undersigned, state that to the best of my knowledge the above information is true and complete. It is understood that the lead agency may withdraw any declaration of non-significance that it might issue in reliance upon this checklist should there be any willful misrepresentation or willful lack of full disclosure on my part. Proponent: 1-\\,61.1 Robert A. Cugini,Vice President Barbee Mill Company P.O. Box 359 Renton, WA 98057 425-226-3900 Date: Page 12 of 12 Item 2 Environmental Checklist 2002.doc City of Renton—Bark and Wood L_ _.s Dredging Permit Application Barbee Mill Company o 'vEI CIO' NE Q E j-�NNhVG I/ Item 8 - Project Narrative 1114'2 This project is for dredging of up to 20,000 cubic yards of bark from aq atfC-m*0in Lake Washington. Bark and wood debris has accumulated on the lakebed and must be removed to restore aquatic lands. Removal of bark from the lakebed will have a positive benefit on fisheries and shallow water habitat. The City of Renton has previously issued a Special Permit for Grade and Fill, for dredging bark. Concurrently, an expanded dredging permit is being sought from the Corps of Engineers for this work. The company intends to complete lakebed restoration in 2002 per agreement with the Department of Ecology (Proposed Plan for Barbee Mill Sediment Cleanup, Anchor Environmental 4/2002). Dredging will be accomplished with a barge mounted clamshell dredge. Dredge materials are principally bark, wood debris and bottom sediments. Dredge spoils will be transferred to the temporary storage area for dewatering. The temporary dredge storage area is designed to accommodate dewatering, while minimizing direct run-off. The temporary dredge storage area, dredging procedures, drainage control measures, dredged spoil handling, and measures to minimize environmental impacts have been previously considered and approved by the City of Renton. Dredging conducted in 1999 under a special Permit from the City of Renton has established the efficacy of these plans and measures to protect water quality and to minimize potential impacts on threatened or endangered species. The maximum height of dredge spoils in the temporary storage area will not rise over 15' above existing grade. Immediately after dewatering, dredged materials will be moved upland away from the shoreline for handling and off-site transport, or these materials will be loaded into trucks and/or rail cars for immediate off-site handling and transport. Sediment sampling conducted during dredging operations indicates that dredged materials are not contaminated. These results have been reported to the City of Renton. Uplands, adjacent to the dredging area, are zoned Center Office Residential and Residential. The site is currently a sawmill/lumber mill producing dimensional lumber. Numerous mill structures exist upland from the shoreline. Existing improvements include the sawmill, storage warehouses, lumber storage areas, etc. No new structures are proposed, and no upland improvements are proposed. Dredging costs are estimated at approximately$600,000. Special site features. Barbee Mill Company is located on the shoreline of Lake Washington. May Creek crosses the eastern portion of facility. The dredge site is located adjacent to the sawmill on aquatic lands leased from the Department of Natural Resources. No steep slopes are located immediately adjacent to the dredge site. Dredged materials are anticipated to be principally bark, wood debris, and lake sediments. Proposed property use and improvements. No change in proposed property use will occur as a result of this project. No structures will be built or demolished. Granting a new or revised Special Permit for Grading and Filling will substantially improve shallow water habitat by removing oxygen consuming bark and wood debris from the lakebed in a timely manner. Page 1 of 1 41\ADIV Item 8 Project Narrative2002.doc DEPARTMENT OF THE ARMY iQ' \il/ i, SEATTLE DISTRICT,CORPS OF ENGINEERS p , '' �i11li' /i� P.O.BOX 3755 °'•:•. SEATTLE,WASHINGTON 98124-3755 �' OCT 2 9 2001 ATTENI ION OF Regulatory Branch 1) 1/gt op RE.:1 O`Viiv vc Mr. R. Michael Lloyd Lloyd and Associates, Inc. 38210 Southeast 92nd Street Snoqualmie, Washington 98065 Reference: 1995-2-00997 Barbee Mill Company Dear Mr. Lloyd: This letter is to confirm that the above-referenced project complies with the Endangered Species Act (ESA) and that work may proceed under the existing permit with the addition of the following conditions: 1. You must implement the construction practices and conservation measures set forth in the ESA Compliance — Remediation of Lake Washington Sediments Biological Evaluation and Assessment, dated May 8, 2000, and the email response from Michael Lloyd to Brian Missildine dated July 17, 2001, in their entirety. The U.S. Fish and Wildlife Service (USFWS) concurred with a finding of "may affect, not likely to adversely affect" based on these documents on August 30, 2001 (USFWS Reference Number 1-3-01-1-0504). On September 27, 2001, the National Marine Fisheries Service (NMFS) concurred with a finding of "may affect, not likely to adversely affect" based on the Biological Evaluation dated May 8, 2000, and the request for concurrence dated December 26, 2000 (NMFS Reference Number WSB-00-579). Both agencies will be informed of this permit issuance and will enforce any known violations of the commitments made in this document pursuant to the ESA. 2. Work may only be performed during the period of July 16 through Dec 31. No work is allowed from January 1 through July 15. f• • s I _ -2- Currently, the permit expires on November 25, 2001. Per your letter dated May 14, 2001 , we are processing your request for a time extension. If you have any questions, please contact Mr. Jonathan Smith at telephone (206) 764-6910. Sincerely, -cl"t-e64 Th mas F. Mueller Chief, Regulatory Branch City of Renton-Bark&Debris Dredgit.b_.rmit Application Barbee Mill Company Item 19 - Rehabilitation Plan Site rehabilitation is composed of two elements: (1) removal of bark and wood debris from the lakebed; and (2) removal of dredged materials and restoration of the dredge storage area adjacent to the shoreline. Because organic material consumes oxygen in bottom sediments, dredging of decaying bark and wood debris on the lakebed will substantially improve shallow water habitat supportive of aquatic plants and animals. Grading plans and figures indicate approximate elevations to which dredged areas will be graded. Upon completion of dredging minor site rehabilitation will be required for the temporary dredge storage area. As soon as dredged materials are dewatered, they will be removed from the temporary storage area to the upland storage area away from the shoreline. Historically, dredged materials drain rapidly and can be moved within hours of dredging. During the last dredging operation at the site in 1999, sediment removal from the temporary storage area occurred concurrently with dredging. After dredging is complete and all dredged materials have been removed, final grading will return the temporary storage area to its pre-existing (level) condition. The temporary storage area will be immediately re-seeded with grass and shoreline plantings to complete site rehabilitation. See also: Attachment 4 - MICA Cleanup Plan (Anchor, 4/2002) D�VC�papv_r 4/4 2 °N tic, 41 Page 1 of 1 Item 19 Rehabilitation Plan 2002.doc STEWART TITLE COMPANY OF WASHINGTON, INC. 1201 Third Avenue, Suite 3800 Seattle, Washington 98101 Senior Title Officer, Robert L. Ludlow Senior Title Officer, Mike Sharkey Title Technician, Linda Lamson Unit No. 12 FAX Number 206-343-1330 Telephone Number 206-343-1327 OFk o. Lloyd & Associates, Inc . c/Ty,Q 6-4 38210 Southeast 92nd Street Title Order No. : 210616 �, Snoqualmie, Washington 98065 n otio, Attention: JoAnne Lloyd A. L. T. A. COMMITMENT 0 SCHEDULE A Effective Date: April 26, 1993, at 8:00 a.m. 1 . Policy or Policies to be issued: PREMIUM A. ALTA Owner' s Policy Amount TO BE AGREED UPON Standard (X) Extended ( ) Tax Proposed Insured: TO FOLLOW B. WORK CHARGE Amount S350.00 Tax $ 28. 70 2 . The estate or interest in the land described herein and which is covered by this commitment is fee simple . 3 . The estate or interest referred to herein is at Date of Commitment vested in: BARBEE FOREST PRODUCTS, INC. (NOTE : SEE SPECIAL EXCEPTION NUMBER 4 REGARDING EXECUTION OF THE FORTHCOMING DOCUMENT( S) TO BE INSURED) . 4. The land referred to in this commitment is situated in the County Coif King, State of Washington, and described as follows : All that portion of Government Lot 1, Section 32 , Township 24 North, Range 5 East, W.M. , in King County, and of Second Class Shore Lands adjoining lying westerly of Northern Pacific Railroad right-of-way EXCEPT that portion, if any , of said Shore Lands lying north of the westerly production of the north line of said Government Lot . ZI, ST ORT TITLE GUARANTY COMPAN A, L.T.A. COMMITMENT Schedule B Order No. 210616 I . The following are the requirements to be complied with: A. Instruments necessary to create the estate or interest to be insured must be properly executed, delivered and duly filed for record. B. Payment to or for the account of the grantors or mortgagors of the full consideration for the estate or interest to be insured . II . Schedule B of the Policy or Policies to be issued ( as set forth it Schedule A) will contain exceptions to the following matters unless the same are disposed of to the satisfaction of the Company : A. Defects, liens, encumbrances, adverse claims or other matters, if any created, first appearing in the public records or attaching subsequent to the effective date hereof but prior tc the date the proposed Insured acquires for value of record the estate or interest or mortgage thereon covered by this Commitment. B. GENERAL EXCEPTIONS: 1 . Rights or claims of parties in possession not shown by the public records. 2 . Public or private easements, or claims of easements, not shows: by the public record. 3 . Encroachments, overlaps, boundary line disputes, or other matters which would be disclosed by an accurate survey or inspection of the premises . 4. Any lien, or right to a lien, for services, labor or material heretofore or hereafter furnished, imposed by law and not shown by the public records, or Liens under the Workmen' s Compensation Act not shown by the public records . 5. Any title or rights asserted by anyone including but not limited to persons, corporations, governments or other entities, to tide lands, or lands comprising the shores or bottoms of navigable rivers, lakes, bays , ocean or sound, or lands beyond the line of the harbor lines as established or changed by the United States Government. 6. ( a ) Unpatented mining claims; (b) reservations or exceptions in patents or in Acts authorizing the issuance thereof ; ( c ) water rights, claims or title to water . 7 . Any service, installation, connection, maintenance , capacity, or construction charges for sewer, water, electricity or garbage removal . 8. General taxes not now payable or matters relating to special assessments and special levies, if any, preceding the same becoming a lien. 9. Indian tribal codes or regulations, Indian treaty or aboriginal. rights, including, but not limited to, easements or equitable servitudes. !2 C. SPECIAL EXCEPTIONS : As on Schedule B, attached. er No . 210616 A. L. T. A. COMMITMENT SCHEDULE B Page 2 SPECIAL EXCEPTIONS: 1. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: City of Renton PURPOSE : Public utilities, including water and sewer AREA AFFECTED: The easterly 10 feet, measured perpendicularly to the easterly linn of the northerly 230 feet, measured along the easterly line RECORDED: December 19, 1972 RECORDING NUMBER: 7212190390 2 . GENERAL TAXES: FIRST HALF DELINQUENT MAY 1; SECOND HALF DELINQUENT NOVEMBER 1: YEAR: 1993 AMOUNT BILLED: $33, 688.24 AMOUNT PAID: $ 0.00 AMOUNT DUE: $33 , 688.24 TAX ACCOUNT NUMBER: 322405.9034-00 LEVY CODE: 2100 CURRENT ASSESSED VALUE: Land: $2, 094, 100. 00 Improvements: $ 481 , 300. 00 NOTE: If the taxes cannot be divided equally by 2, the higher amount must be paid for the first half payment. 3. Assessments, if any, which will follow by supplemental report. 4. Evidence of the corporation existence of Barbee Forest Products, Inc . , a corporation, must be submitted, together with evidence of the corporate identity and authority of the officers thereof to execute the forthcoming instrument. 5 . Notwithstanding the insuring clauses of this policy, the Company does not insure against any loss or damage by reason of lack of access to and from the land. 6. Until the amount of the policy to be issued is provided to us , and entered on the commitment as the amount of the policy to be issued, it is agreed by every person relying on this commitment that we wil : not be required to approve any policy amount over $100 , 000, and our total liability under this commitment shall not exceed that amount . (continued) er No . 210616 A. L. T.A. COMMITMENT SCHEDULE 8 Page 3 7. Title is to vest in persons not yet revealed and when so vested w111 be subject to matters disclosed by a search of the records against their names. END OF .SCHEDULE 8 • • • Title to this property was examined by: Russ Gamman Any inquiries should be directed to one of the title officers set forth in Schedule A. RG/dkh/8471E STEWARI TITLE COMPANY • .. log " •) of Washington, Inc. , TO• 1. /Ai ;i OROER NO. , 21440 '/6 - /2 IMPORTANT; This is not a Plat of Survey. It Is furnished as a convenience to locate the ►and indicated hereon with reference to streets and other land. No liability Is assumed Dy reason of reliance hereon. v:.. . ................7/1.• •••=1VM1 16.1 Ow. t 1 • \` I IP I AD lb• \1 • I I / li i7 / ; Vs // / • -1 4' 41;P rs.i. 1 3 .; . . `\ 7 / , ,. , ,,.., , ...,,,. . ; . ..- 1 , 1 i7 / y r."4'.- l N,,, NI�aTMt. s II I• ) ; 1 //l I• ' ,!' / • . •.«•. - ..'. • It / /wi wry V do r • ♦i• - t y� / © le al �• III ,i V 1( t ./I 0 / fit► i 4/ •r .. a • ttt, (6/ •Ve• it '.%4Ttb. //.., V 71:::;i1-:• AI u/ rirb • l' —7 ..o.../'' . ,, ..�.�. . ..move . . il, , 664 p Ii .•.I'? "A-,l• "� - / , T .� " . . LLLL LtI THIS INSTRUMENT, made this _day of ;=I�,,- �_„=,__197L. by and between n Clovvt'' CDand and and CV N hereinafter called "Grantor(s)" , and the CITY OF RENTON, a Municipal Corporation of King County, Washington, hereinafter called "Grantee' WITNESSETH: That said Grantor(s) , for and in consideration of the sum of S I. paid by Grantee, and other valuable consideration. do by these presents , grant, bargain , sell , convey, and warrant unto the said Grantee, its successors and assigns , an easement for public utilities (including water and sewer) with necessary apourtenanClts over, through, across and upon the following described property in King County, Washington. more particularly described as follows: A utility easement over the Easterly 10 feet, measured perpendicularly to the Easterly line thereof, of the Northerly 230 feet, measured along the Easterly line, of the following described property: ALL that portion of Government Lot 1 in Section 32, Township 24 North, Range 5 East; W,M. lying Westerly of the Burlington Northern (Northern Pacific) railroad right-of-way; TOGETHER with the Shorelands adjoining. Together with a temporary construction easement described as; 30 feet in width over the Easterly 30 feet of the Northerly 230 feet of the above described property. Said temporary construction easement shall remain in force during construction and until such time as the utilities and appurtenances have been accepted for the •-!'ntiv, And maintenance by the Grantee but not later than •.- ?,.,;'0''• 640 IIELS INSIMANCO 1.'1 111111C1*MFRS Kw it/CO*1.01W 1 ""•11TAV In.i v11.1 ..?"01.61? 411011111areariNI • ;.; '111i!!.it' •'•vl•.i t."'1.4 r.0:4.'‘.. /Nod Isr ilmend el!Impost _. • • .•. • AI;il 3 liorli'III tw ei .. 4' - .. APTICS OCCOMOINII NAIL TO, .. • .1...inION OI•••.'":e•''Np. • -• t shl!., 4 • 1,,1'.firitt.:, •...T.:.1'i..% ,* • KIK WIWI I • 1 .,,. tableletiMintIMEIrLejt,r i , •••,11If,.0:. 1114•‘61./vVrIAL--.—...—,..„-- 1 : '•••..:.!...; • • MIAMI.Irrearler0T001 11•101 ' liner , twie.ohoweemdolle4beneW,---"14 (0441 2/ 3,00 00900 0 . . •;.!..,, CR SI. ••••3,40 1 . , .I.:. 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A Yeieseelp d wlbel wel maw,wand m tip Ceiew•1 g/NO • p j E •ow M 1 ellkin N.W �1 P1 1•VIy wig M11M�f1 thereto rlYfi;meet Mr Me••fter eee•IIf Government Lot One (1) , section Thirty-two (32) , TOwn•hlp Twenty-tour (11) North, 'Xenon rive (3) Lest, .( M.M., Nino County, W ehington Lying Went of suriington Northern RAtlilAd Right of Nay, with adjacent shoretand, Lind only - no lacrovewent•. vei I • I in WITNISS MNZREOr, mid ripe..- be were ads lewnw1 M M ellewe eel N.NI pMw feel se le envoi*serer lil. ., isl 0 a £.i t r i i.>�;� 01 MASNINOTON, 1 N Cower el 41I10; Os Wit • ly,on «,r N„re ..i /!/I been we,w weewi ee. s Nil.) PIINMI le ...i kw Ib low el WSMwgi s,illy emettewiewi e.d (1.r„ ? mewed .tflii,i et,.,....i' ..Ye 'ad /- . I.4. . - 49"r w 0M ei..• 0 rIS el ilnw w le IM NetlUs1 sail Snnwry,lsq eiiwy,el /Q../,•••• /1i///e. dreg Ike riepare,* Art enefad Ilr 1 .+ enpMd w..nvf,r... W so know. M li. .eM MNry.Mfl a N. Ike hie ad r�h���e�w N1 W M1 el ..1g q/1e,.,1/1. IN iM Y1r, M{ P4,►•04 ,MHM ,IMF.IMM4' NN Oa Nib IW O/ 'MI ' 444 1 ,Mneed M newt vie we Manew.I W i141 lir eel 'Owe le iM I�f1R J � M•qf"N. ee.l N rod Illee ll' ! ied w(MIAOW awl eft.seed Ow MI s,MI ani ss•w•nu.. , ,.• I , �M, .., ,J . i R'`�I./I/ /( `� .� i `: F i. r • .. Irl+r Y w le Mr Mai N M.NMd+w wrirf.I 1 . \ •— • • '•v1%..4N'.,,��.,��-� 4". ... ., free. . . • ..,.,•.,., • .... S . .t,..wM,•..r• ,.tel'. 0.' t!19;10"; `:l .. a\'' •'••• Said heretofore •Wntltined grantee, its successors Or assigns, shall • have the r'lht, without prior notice or proceeding at law, atsuchhe tlr$ ass I p may be necessary to enter upon said above described property f o r t of co^structing, maintaining, repairing, altering or reconstructing said �0`•� utility, or making any COnntctiOns therewith, without incurring any legal obligations or liability tnerefore, provided, that such construction, main. tpin,ng, repairing, al Wiry; or reconstruction of such utility snall De N accomolisned in such a manner that the pr,vat*, i , rovewients existing in the right N rignt(s)-of-way shall not oe disturb De eed or dlater damages d, orainntheteventstheyyart were r• dis turbo d or damaged. they ienedistilly before the property was, tn.ttnd,upbn by the Grantee. The Grantor shall fully rse and•enjoy'the •aforedescribed premises, including the right tO retain the right tO use the surface of said right-of•way if such use does not interfere with installation and main.tenrnce of the utility line However, the grantor Snip ll..no,t erect bullJings or structures over, under or across the right-of-way ouring.the existents of such utility. This easement, shall be I covenant running with the land and shall be bind- ing on the Grantor, his successors , heirs and assigns. Grantors covenant that thare te uloers of the properties and that they have a .good and lawfulght CO execute t. A ./ee i (2 and , , i )• mid and and STATE OF WASHINGTON } SS COUNTY OF KING On this fr day of d.,Cfrrttremerl9747c before me, the undersigned, • Notary Public in end tor the tote et�Wnd hin,ttoon, duly commissioned and worn percorally appeared (x, E7G e 7kno�m to be the 1titU and respectively, of the corporation that executed the i c foregoing instrument, and Y�c�,nckno,+ledged tht said instrument to be the trio and voluntary act and deed of said corporation, for the uses and purposes therein mentioned, and on oath stated 1111100►ht .4e+ authorised to execute the said instrument and that the •eel affixed is the corporate peal of said corporation. WI'f*S5 my band and eftictal see) hereto affixed the day and year in this certslteats above written. �yy�.c. y t ' ptary u611c in...,,,L -and for a,te� ,.o f/ 1 Washington, residing at��Z7'T.O. • QINo! t , ,.. r. . '.Iq tR .. I -1 /:_ ? aka- '. k '. °b`•�' J !• .. .A:, (\•v ti ,'' oo • • • Rt40R0E0 ......OF .,....REODUST�Os 0 M OE( i9 NI11 30 P ' • O OOILoTOR 9.4 RECORDS & CLLOTIONS KING COUNTY, WASH. ti •o , • • o► • 6.4 0 o 0 FILED for Record at Request of r►LL0 for Aeevd at Roowit OVflC$ or THt CITY CLERIC •mow 309>KA AWL YOUTH City of Renton-Bark&Debris Dredgi..b_zrmit Application Barbee Mill Company PIA Item 9 - Construction Mitigation P ation Description oFRF'�oNrdi'�G M � n Proposed Construction Dates. Dredging will occur during HPA permitted windows inikrAance with Department of Fish and Wildlife requirements. Currently the dredging window occurslr July 15 to December 31st. The intent is to protect potential spawning fisheries in Lake Washington and May Creek. Dredging will occur during daylight hours on weekdays to minimize noise to neighboring businesses and residences; to protect worker safety; and to better allow for visual observation of dredging and potential impacts. Proposed hauling/transportation routes. Hauling and transportation routes will be moderately impacted during dredging operations. As dredged materials are dewatered they will be then be removed by truck or rail, increasing the number of vehicles entering and leaving the facility during daylight hours. When the mill is operating, approximately 50-100 trucks enter and leave daily. As a result of this project, an estimated increase of 10-15 trucks entering and leaving daily is anticipated for approximately six months until dredged materials are removed. Trucks will leave the facility, and will most likely travel north on Lake Washington Boulevard to on ramps for I-405. Site Mobilization. Crane-mounted barge with clamshell will be located at the site before/after fishery closures to insure that fisheries are not impacted. Equipment for handling dredged materials will be brought on site to remove existing dredged materials. A pre-dredging survey will be conducted and silt-fencing installed around the dewatering area. An in-water silt curtain will also be installed prior to dredging. On-site Review Meeting. Prior to dredging operations, an on-site review meeting will be conducted to review project requirements, construction measures, erosion control measures, worker safety, etc. Temporary Storage Area Re-Vegetation. After dredging is completed, the temporary storage area will be re-graded and seeded with grasses and plants as a permanent site improvements. Project Oversite/Activity Audits. Project activities will be observed and audited to insure that all aspects of the dredging and filling permit are implemented. Oversite activities include maintaining a photographic record, conducting water quality measurements, and preparing a final report. Oxygen levels and TSS will be monitored in the dredge area and in Lake Washington during dredging to protect against oxygen depleting conditions from. Similarly, turbidity will be visually monitored to protect against turbidity impacts in Lake Washington. If such impacts are observed, dredging will be immediately halted until the problem can be corrected. Measures implemented to minimize dust, mud, noise, and other noxious characteristics. The following summarizes measures to be implemented: • Dust Abatement. Because sediments are wet, no special dust abatement measures are required or necessary. Sediments are principally sand and gravel with a very low potential for dust Page 1 of 2 Item 9 Construction Mitigation Description 2002.doc I' /)A N•�' City of Renton-Bark&Debris Dredging-Permit Application Barbee Mill Company creation. A small road sweeper will also be used to pick up dried sediments and/or dirt that may fall on paved areas. • Mud Control. Dredging operations shall be conducted at all times to minimize disturbance or siltation to adjacent waters as required by the Department of Ecology. Control measures include: (1) placement of wet sediments behind berms to minimize off-site transport; (2) cessation of operations in the event of fish distress, fish kill, or other water quality problem; (3) placement of upland and in-water silt curtains to prevent movement of materials potentially eroded from the site to the adjacent waters of Lake Washington; and (4) no stockpiling of material in the water will be allowed. In the event that rainfall impedes operations or causes potential water quality impacts, dredging operations will be halted. • Noise Control. Dredging will occur during daylight hours to minimize noise to neighboring businesses and residences. Some temporary increase in noise is unavoidable from the operation of clamshell dredging equipment. Noise levels approximate those generated by diesel equipment currently operated at the sawmill by Barbee Mill Company. • Other Noxious Characteristics. Sediments have been previously sampled and tested for potential contamination. Sediment test results indicate no sediment quality criteria have been exceeded; and sediments present no environmental threat to human health or the environment. Materials to be dredged are principally bark and wood debris mixed with fine sand, some silt, and gravel. Dredging equipment will be serviced and refueled in a manner to protect against potential spillage into Lake Washington. Measures include: (1) refueling at facilities equipped to protect against spills in the water; and (2) cessation of dredging activities at the appearance of an oil sheen until the problem is corrected; and (3) placement of a silt curtain in the water during active dredging operations. DEVELOPMENT PLANNING CITY OF RENTON MAY29 "? RECEIVED tiVN Page 2 of 2 Qtr\jlit Item 9 Construction Mitigation Description 2002.doc City of RentonBark&Debris Dredging_ ___sit Application DEv 0 • Barbee Mill Company CIT). .7pkrr NG Item 14/15 - Drainage Control Plan RECE ilED This drainage control plan was previously reviewed and approved by the City of Renton for dredging activities conducted by the Barbee Mill Company. Implementation of this plan during dredging operations conducted by Barbee Mill Company in 1999 was shown to be simple and effective in protecting water quality and threatened or endangered species. The objectives of this drainage control plan are (1) to minimize impacts to Lake Washington during dredging operations and (2) to prevent upland erosion of dredged materials. This section describes drainage and erosion control planning associated with maintenance dredging of sediments and bark and wood debris accumulating on the lake bottom adjacent to the shoreline as shown in plans. Upland soils are principally sands and gravels carried by high-energy stream flows in May Creek and deposited in the May Creek Delta. These sands and gravels are well drained and graded. Sediments adjacent to the sawmill in the bark and wood debris removal area will have a higher proportion of silt than those in the May Creek Delta. Copies of drainage plans (8.5 x 11) are provided in Item 11/12- Grading Plans and as a separate attachment (22 x 34). SURFACE WATER COMPLIANCE The City of Renton's Surface Water Design Manual,was utilized in the preparation of this section. The following discusses applicability of core requirements to this project. U Core Requirement #1: Discharge at the Natural Location. Conduct of this project will not result in a surface water discharge that changes or alters natural discharges. ❑ Core Requirement #2: Off-Site Analysis. No new impervious surfaces will be created as a result of this project. Nevertheless,potential drainage problems exist currently at the site associated with upstream erosion: (1) sediments currently accumulating at the mouth of May Creek (caused by upstream erosion) create flooding problems and potential economic loss to mill property operated by Barbee Mill Company. As a consequence, the banks of May Creek are also subject to greater erosional forces during severe storm events even. This dredging project will allow for the removal of bark and wood debris that has accumulated on the lake bottom as a consequence of historical sawmill operations. Previous dredging experience (conducted in 1997 and 1999)indicates that erosion of dredged materials does not pose potential drainage problems. ❑ Core Requirement #3: Runoff Control. Runoff control will be managed to control peak rate by infiltration to minimize erosion and silting in Lake Washington (see sections below). Previous experience with proposed runoff control measures during dredging operations (1997 and 1999) indicate the effectiveness of this approach. ❑ Core Requirement #5: Conveyance System. No conveyance systems will be constructed as part of this project. Page 1 of 3 I Item 14 Drainage Control Plan 2002.doc P City of RentonBark&Debris Dredging_ __wit Application • Barbee Mill Company ❑ Core Requirement #6: Erosion/Sedimentation Control Plan. See following sections below of this plan. ❑ Core Requirement #7: Maintenance and Operation. Systems and procedures to control runoff, erosion, and sedimentation are described below for temporary control systems to be implemented during the conduct of project. Recent experience with maintenance and operation measures during dredging operations (1997 and 1999) indicates the effectiveness of this approach SPECIAL REQUIREMENTS • The proposed dredging project does not currently exist within a critical drainage area (Requirement #1) • The project does not currently lie within an approved Master Drainage Plan area (Requirement #2) although the May Creek Basin drains to Lake Washington. • Given the limited scope of this project, the dredging project does not require a master drainage plan (Requirement #3)for the entire facility. • The proposed project lies at the terminus of the May Creek Basin. Upstream investigations have been conducted in the May Creek Basin. • Special water quality controls (beyond those proposed and previously implemented) are not required because no impervious area will be created (Requirement #5). Nevertheless, water quality controls are described below. The effectiveness of proposed water quality controls has previously been demonstrated. • A coalescing plate oil/water separator is not required since no impervious surface area will be constructed (Requirement #6) and sediments are known to be very clean sands and gravel which readily dewater without significant increases in turbidity or oxygen depletion. • No closed depressions exist at the Barbee Mill Facility or at the proposed temporary dredged sediment storage area (Requirement #7). The temporary dredged sediment storage area is designed to control runoff(see below). DREDGE MATERIAL DEWATERING Dredged materials are expected to be principally bark and wood debris mixed with sands and some fine materials. Previous dredging experience indicates that dredged materials cause very little turbidity. Dredge materials rapidly dewater, and dredged sediments are relatively dry prior to placement in the temporary storage area adjacent to the proposed dredge site. Remaining water in contained spoils will be allowed to infiltrate into subsurface sands and gravels, composing the temporary storage area. As soon as dredge spoils are dewatered, they will be removed from the temporary dredge storage area. The purpose is to minimize potential erosion and the accumulation of large volumes of dredged materials adjacent to the shoreline. After the dredged materials have been removed, the entire storage area will be re-seeded with grass. The design life of the temporary storage area/berm is anticipated to be less than one year. Temporary Dredge Storage Area Page 2 of 3 Item 14 Drainage Control Plan 2002.doc City of RentonBark&Debris Dredging_ ___sit Application • Barbee Mill Company The temporary dredge storage area will be located as indicated in project figures. The temporary storage area will be constructed form existing site materials and provides for approximately 1200 square yards of level storage. Including bermed area, the temporary storage area covers approximately 1800 square yards. A berm will enclose the temporary storage area. Berm height will be approximately 5-7 feet above the OHWL (21.8 feet MSL, as maintained by the Army Corps of Engineers/Core Datum) of Lake Washington. The interior flat portion of the dredge storage area will be approximately 1-2 feet above OHWL, approximating a natural grade. The storage area will contain sufficient excess containment volume, subsequent to dredged sediment placement, to hold approximately 6000 cubic feet of storm and/or dewatering water. This storage volume is sufficient to contain the anticipated total runoff for a 25 year- 24 hour storm. Dredged Sediment Removal Dredged bark will be removed from the temporary dredge storage area as soon as the materials have sufficiently dewatered for efficient handling. SPECIFIC EROSION CONTROL MEASURES Principal erosion control measures include: (1) construction of a temporary dredge spoil area (as discussed previously); (2) placement of a silt curtain/fence; and (3) controlling runoff from both dewatering and storm events with vegetative cover. Subsequent to dewatering, dredged sediments will be removed from the temporary dredge storage area. Experience indicates that dredged materials were typically dewatered in a matter of hours. Slopes. All bermed slopes will be less than 2:1 and re-seeded with grass and vegetation to minimize erosion from severe storm events. Dewatering and Stormwater control. See Above. Vegetative Cover. Temporary storage berms will be seeded with grass to provide vegetative cover to reduce the potential for erosion. Subsequent to removal of dredged sediments, the entire temporary storage area will be seeded, returning the site to a more natural condition. Page 3 of 3 Item 14 Drainage Control Plan 2002.doc AG RA AGRA Earth& ENGINEERING GLOBAL SOLUTIONS Environmental,Inc. 11335 NE 122nd Way Suite 100 Kirkland,Washington USA 98034-8918 Tel (425)820-4669 Fax (425)821-3914 8 July 1999 9-91 M-13063-0 City of Renton Planning & Building Department 1055 S. Grady, 6th Floor Renton, Washington 98055 Attention: Ms. Jennifer Henning Subject: Engineering Review, Dredged Materials Temporary Storage Area Barbee Mill Company Site Renton, Washington Dear Ms. Henning: At the request of Dr. Michael Lloyd of Lloyd & Associates, Inc., the undersigned has completed an engineering review of the Temporary Storage Area (TSA) for dredged materials at the Barbee Mills Site. This review has been undertaken to evaluate adequacy of measures being taken to protect the environment during planned dredging activities in 1999 and beyond. The current TSA is understood to have been used during previous dredging programs at the Barbee Mills Site, for the protection of the shoreline environment. Future dredging programs are for the purpose of continuing the current shoreline protection. This engineering review is based on reports and other materials provided by Lloyd & Associates, Inc.. It is assumed that the information provided in those documents is factual and truly represents the current conditions and the planned dredging program. A listing of the reports reviewed is contained in Attachment A. The information provided by Lloyd & Associates was reviewed with respect to the following issues: • Sufficiency of the TSA sufficient for the purpose of de-watering the anticipated volumes of dredged materials • Measures to be taken to maintain the effectiveness and integrity of the TSA • Measures that will minimize any risk of unanticipated discharges from the TSA to Lake Washington Review of the provided documentation indicates the following with respect to the TSA and dredging program: • The TSA is intended for de-watering, through infiltration, of dredged materials from the near-shore areas. It is not intended to have any other use during the lifetime of the dredging program • The TSA has been constructed as shown in drawings provided to the City of Renton, with 2:1 (H:V) side — slope angles. The storage area is understood to have been constructed from onsite fine to medium grained silty sands and gravels • The storage area is re-seeded and maintained while not in use for de- watering (between periods of permitted dredging) • Dredged materials will be placed in the TSA for de-watering to a level that maintains several feet of freeboard between the placed dredge materials and the top of the perimeter berm (to prevent uncontrolled release over the berm top) • The configuration of the TSA is adequate, provided the above-mentioned freeboard is maintained, for containment and gradual release through infiltration of the 25 year / 24 hour storm-water event. This is predicated on the assumption that the TSA need only deal with storm-water collected inside the TSA perimeter • Periodic removal of de-watered bark and wood debris will be effected with a loader, and then trucked to upland areas for further offsite disposal • Dredging is intended to remove only bark, wood debris and intermingled silt/sand from the offshore areas. No dredging below the current "in-situ lake bottom" is intended With respect to the planned program and the TSA (TSA), the following recommendations are provided: • The bottom of the TSA should be checked before each season of use to ensure that it allows free-draining infiltration. Periodic checks during operation, as the bark / wood debris is removed, should also be made to ensure that the free-draining nature is maintained AG RA LNGINEERING GIOBAL SOLUTIONS • The berms of the TSA should be maintained at the current 2:1 slope angle. Berms should be repaired when damaged by equipment transit, using free- draining medium to coarse sands, gravel and cobble materials. In no case should the berms consist of fine sands and silts • The water quality of waters discharging from the TSA should be periodically checked, to ensure that adequate filtering by the infiltration zone has occurred • Silt fencing should be constructed around the perimeter of the TSA, in non- access areas, to limit the transport of silt to the lake. These will also serve to limit erosion of the base of the berms • Configuration of the TSA and the surrounding area must be maintained so that there is no access of May Creek storm-water into the TSA This engineering review is predicated on information provided by Lloyd & Associates, Inc.. If actual conditions differ from those contained in the provided documentation, no concurrent liability accrues to AGRA Earth & Environmental, Inc. If, on review by the City during operations, the conditions are found to differ from those contained in documents provided to the City of Renton, further review of the adequacy and effectiveness of the TSA should be completed by a Registered Engineer. Please call the undersigned at (425) 820 4669 if there are questions regarding this letter or the recommendations contained therein. Very Truly Yours, AGRA Earth & Environmental • 1�- Ear , til Hans M. Ewoldsen, P.E. N ,, 0Vice President •,p st tk ; mat,41,4, 32615 A.,f' (6sQ1STE0' '' HME/hme EXPIRES i? A •i Attachment: References AGRA ENGINEERING GLOBAL SOLUTIONS Attachment A Documentation Reviewed for Engineering Evaluation Temporary Storage Area - Dredged Bark and Wood Debris Barbee Mill Company Site Renton, Washinton 1 . Sampling and Analysis Plan, Bark & Wood Debris Maintenance Dredging — 1999; Lloyd & Associates, Inc.; June 18, 1999 2. Preliminary Report To The Hearing Examiner, Barbee Mill Dredging; City of Renton Department of Planning / Building / Public Works; May 25, 1999 3. Office of the Hearing Examiner, Report and Decision, Barbee Mill Dredging; City of Renton; June 28, 1999 4. Barbee Mill Company, Inc. Grade and Fill Permit Application, Bark & Wood Debris Maintenance Dredging — 1999; Lloyd & Associates, Inc.; February 16, 1999 Ln AG RA ENGINEERING GLOBAL SOLUTIONS City of Renton—Bark$Debris Drc,uE,u.g permit Application Barbee Mill Company Items 11/12 - Grading Plans/Elevations Plans have been reformatted to meet City of Renton requirements for plan submittals. Copies of 22"x34"grading plans are provided in a separate attachment. Existing grade elevation contours/elevations (see 8.5"x 11"plans, following in this section)were obtained from field surveys conducted during relatively recent off shore investigations at Barbee Mill. Shoreline or upland structures will not be altered or impacted by the dredging. Final contours of the lakebed may vary, depending upon the thickness or accumulation of bark and wood debris actually present during dredging operations. Dredged materials will be initially stored and dewatered in the Temporary Dredge Storage Area, as currently permitted by the City of Renton for dredging in the May Creek Delta. Existing and final grades or shoreline configuration will not be altered at the Temporary Dredge Storage area. Upon completion of dredging, the temporary dredge storage area will be re-seeded. Bark and Wood debris will be moved from the temporary dredge storage area when dewatered for on-site handling upland as shown in the plans. Approximately 20,000 y3 of bark and wood debris will be removed under this 5 year permit. The composition of dredged material is expected to vary from greater than 90% bark and wood debris (near shore at the sawmill) to less than 20% bark and wood debris. Generally the highest percentage of bark and wood debris occurs near shore. The bark and wood debris removal area covers approximately 250,000 ft2 (5.8 acres) with a width of approximately 340' and a length of approximately 800'parallel to the shoreline. Plans Submittal Summary Grading Plan (aquatic lands) Typical Grading Cross Section Temporary Dredge Storage Area (TDSA) Cross Section of TDSA DEVELOPMENT PLH,yri CITY OF RENTON RECEIVED Page 1 of I Item 11 Grading Plans 2002.doc A B C D E F 6 H T 4" K 4 M N Q P f,1 R S T U Y W i Y Z I i I I I__ I . i . ! I l ,• • . Ii • i I • • I I ! • 1 • AI r • ! 1 1� a I` 6 • •t • • r. • 0' i t i 4 • • 8': • • , • erti • a r a • S. Or; 12 ! T — t 16 • — i to- i 12 11 •. 1 • • 12. Temporary 1_1...11. — - - Dredge _: _ D , Storage A a ' - — milt • I 14 11 I C9 ' I :• . .I .••• i • "'J SCALE Lumber Storage I l I 0' 50' 100' 200' 300' LI M aycree�r Barbee Mill Company Bark Dredging - 2002 Bark Removal Area IQ City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" Proposed Contours (MSL) o a Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade.CAD Cross-Section A-B SCALE 0 215' 50' 100' Sawmill A 4X Vertical F:xaueration B 24' 22' OHWL (21.8' MSL) 20' 18' 16' — 14' / 10' Estimated Bark Thickness 8' 2' ,,, 0' ___-- - -2' Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" L&AURML 3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 ( 1 Flk: E:\drdg2002\TDS&CAD Lake Washington NOTES: C edf Remove paving for expanded dredge dewatering area e Excavate approximately 4-6 feet and berm Replace paving at project completion Remove Truck Lift Remove former rail loading/unloading dock Tema Dredge Dewateri n Area 2a May Creek 6'o'r Delta r��4 Coda 9� �/2 Remove former rail 4ii �o�� loading dock oWH��2i. i Remove ♦♦♦♦♦I♦♦ oiyy��l� Truck Lift ♦j♦♦♦♦♦♦ / J Scale: D 44 i i ♦♦I♦♦♦ // 0'101' 25' 50' 100' ♦I♦♦ 0 ---, . ` ♦1 Bark Dredging - 2002 Q Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" 0 p Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 3/02, updated 5/02 n Flle: E:\drdg2002\TDSA.CAD Cross-Section C-D SCALE 0 25' Sb' 100' C D Dewatering Sediments 17 26' Existing Grade C D 38' 36' 4 34' 32' 15' 30' Dewatering Sediments 28' Berm 26' Berm 24' Existing Grade 22' 20' 3X Vertical Exageration Bark Dredging - 2002 TDS Area - Cross-Section C-D I o City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" L&ALRML 3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 f l , I File: E:\drdg2002\TDSA.CAD N:-ig borhood D:tail Map COR B. rk/Iebris Dred3e - 2002 /4/ / 17 �" F • I IIIP ._..,,, ,_____ ----- SCALE 20: 400 - • la rbe a Mill / i I / om pa ny / I !+ �f I AIJi COR ,., - Art as i , . . ._.,......_, ...-, __ 1 ;, N"-, .=o.z+.4.„„T."%sit , ; \,� i ... , J . 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I !' :'''':' ' : . 12_.....-__Temporary: . : ...._ , +-; 1 , Sawrnill , ; „• , ! ....„.. 4.. i- - . • - Storage A a ..... • . ! .. , : • i3-- : : "-:. '-i----------7 --- .. 4 • ! ..- I ! i. - i T— 4. .,, i. .-i.. , . . . • i i i I I , i• 1 ! is.------- .: i ! 1 1 1 ! . . •, ..• : • i i ! : ---, I i ! ! . • ! : i •. • I i B I 1 I 1 • 1 : : ! ! : : • : ! ! . . . , : ! ! ! i • ..••' • , , 4::',cf, SCALE I 1, 1 I. 1 • — Lumber Storage 0 0 5 IOU 200' efr fii-I ,i!!;,..."•... I I Barbee Mill Company . . Bark Dredging - 2002 Bark Removal Area <IC City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" Proposed Contours (MSL) Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&Al/RML 6/98,updated 1/99,3/02 E7A Pik, F.\dm...434MM finn rariP ran DEVELOPMENT PLANNING CITv OF RENTON Cross-Section A-B SCALE 2b' 5 10' 100' Sawmill A 4X Vertical Exageration B 24' 22' OHWL(21.8' MSL) 20' 18' 16' - 12' - //.//7 i// Estimated Bark Thickness //„z z 6'- Al"7,0,777" 2' ,rrid//a ijY//� 0' --- _2' - 1 I Bark Dredging - 2002 Bark Dredge Area - Cross-Section A-B City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" L&AURML 3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 1, t Fie: E:\kdp2002VYOS.Cop DO/ ,p R tiITON tNC3 C Lake Washington C adr NOTES: 90 Remove paving for expanded dredge dewatering area Excavate approximately 4-6 feet and berm Replace paving at project completion Remove Truck Lift Remove former rail loading/unloading dock T= ., - , ) /I Dewaberi Area / 4( May Creek' 2 Delta ' ( N 19 Remove former rail loading dock o t.(21.8'1 / 1 t \\\\\\ , ..N.../.,, 1 il 32' i � ‘ °* ' \ ,' Remove alb, Truck Lift p /l \f�J _nt. 47 , Scale: Dllib ,, 1 i t i t '� 0'10' 25' 50' 100' \ \ ICI Bark Dredging - 2002 Temporary Dredge Dewatering Area City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" o Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 3/02, updated 5/02 •n Fie: E\ 200i'1O6A.GD DEVEL AI OPMN'T PLNINING -•'-‘1 OF REMTON 2 9 ' Cross-Section C-D SCALE 513' 100' C D Dewatering Sediments 26' _ — •.v,► . Existing Grade C D 38'- 36' 34' 32' is 30' Dewatering Sediments] Berm 26' Berm Existing Grade 24' 22' 20' 3X Vertical Exageration t � Bark Dredging - 2002 TDS Area- Cross-Section C-D City of Renton,County of King,State of Washington Latitude:47 31'40"Longitude 122 12'12" o o L&AI/RM1,3/02,updated 5/02 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 We: E:\d,dg2002\7DSA.GD DEV C CFI NTONCi IN MA`( J 2 ; � RECEWED •�� Lloyd & Associates, Inc. . 1► 38210 SE 92nd Street, Snoqualmie, Washington 98065 425-888-1905 May 8, 2000 �`SP o� Cindy Barger \0 °4 Regulatory Branch o�J�c'� U.S. Army Corps of Engineers G�Ci� Seattle District �v P.O. Box 3755 Seattle, Washington 98124-2255 Subject: ESA Compliance - Remediation of Lake Washington Sediments Biological Evaluation and Assessment Dear Ms. Barger: This letter report is prepared in compliance with consultation requirements under the federal Endangered Species Act (ESA) following the Draft Guidance (5 Jan 2000) provided by the Corps of Engineers. A copy of this report and attachments are also submitted on disk as requested. Data and conclusions of this report are supported by years of project planning, on-site dredging experience, chemical testing data for sediments and water quality, and biological assessments that have been conducted dating back to 1993 in the active project area. We believe this data supports a No Effect Determination by the Corps of Engineers. If there is any effect resulting from this action, conduct of this project will dramatically improve near-shore shallow water habitat. If you have any questions regarding this ESA submittal, please call to discuss. The Barbee Mill Company would like to complete bark removal work this summer before anticipated fall closure requirements. Your prompt attention is respectfully requested. Sincerely, LLOYD & ASSOCIATES, INC. 0/(62 R. Michael Lloyd Project Manager • L&AI ESA to COE.doc Page 1 of 13 Barbee Mill Company — ESA Compliance Planning May 8, 2000 I. PROJECT DESCRIPTION/PERMITTING SUMMARY Barbee Mill Company has previously conducted and is currently permitted to conduct maintenance dredging in Lake Washington. This work has been permitted and/or approved by the Corps of Engineers, City of Renton, Department of Fish and Wildlife, Department of Ecology, and Department of Natural Resources. Additionally, permit applications have been reviewed by the National Marine Fisheries Service, Environmental Protection Agency, and the general public during public comment and administrative proceedings. Under existing permits and approvals the company may dredge sand and gravel from the May Creek Delta and bark/wood debris from log storage areas (aquatic lease from the Department of Natural Resources, State of Washington). Approximately 50% of this work was completed in the fall of 1999 with no adverse effect on the threatened/endangered species or the environment. Barbee Mill Company is seeking approval to dredge additional bark and wood debris for this summer's dredging season. Because decaying bark and wood debris consumes oxygen, sediments in the bark and wood debris dredge area are predominantly anoxic. Removal of bark and wood debris by dredging will provide a dramatic improvement in sediment quality and enhance near-shore, shallow water habitat. Although dredging in the May Creek Delta is not anticipated this year, severe storm events may impact this decision. The May Creek Drainage Basin is particularly susceptible to erosion. In major part this is a consequence of upstream developmental pressures. Severe storm events result in high sediment loadings. Ultimately this erosional material is deposited in the May Creek Delta. IA. PROJECT LOCATION The dredging project is located at the site of the Barbee Mill Company, in Renton, WA. A project/vicinity map is provided as Figure 1. Additional figures of the project area are presentsed in Attachments 1, 2, & 3. Barbee Mill Company P.O. Box 359 4101 Lake Washington Boulevard Renton, Washington 98057 County of King Latitude: 47 31' 40" Longitude: 122 12' 12" • L&AI ESA to COE.doc Page 2 of 13 Barbee Mill Company—ESA Complidru.e Planning May 8, 2000 -6- VB 5 vkiriryHaP .` Bark/Wood Debris,. Removal Area (approximately 250,003 5f) � ''•.. Sbe 10 wenaui Tadnal. I_--m—J V apes*Y • VB-2 331' Barba. Lake Washington •T 790 ��` 4, '4s.46"; 4' , rep 1999: edged S. •, ea VB 3 O � I-405 VB-.1 • Inner Harbor Line • Barbee Mill Company r wooer Saxaye ,. %111 inl OWHL(21.8� ` - IMik-. • • O ti+� _II LOILIkititril 111411 JP AP . W'"4--- e,440 . wt.. —_________._______--____4111iiiii . Maintenance Dredging- 1998/1999 Figure 1 Cy of Renton,County&Kmg,SOWofWahirgcn laode 4731'aar ttagoma,12212'12" Sampling Points Maze MU Comely,P.0 Bac 359,Rogan Wish:Von 98057 USA/ML 6/9a,updated 1/99 Sampling Points added 5/99 Me:EidredyrcW dag.C*b • L&AI ESA to COE.doc Page 3 of 13 Barbee Mill Company— ESA Compliance Planning May 8, 2000 IB. PROJECT DESCRIPTION The Barbee Mill Company has conducted maintenance dredging at the site for the removal of sands and gravels that accumulate at the mouth of May Creek on Lake Washington. These materials are deposited as a consequence of severe storm events. High-energy stream flows from severe storm events scour May Creek with the potential deposition of up to 2,000 - 4,000 cubic yards over the course of a single storm. Additionally, the company has dredged bark and wood debris that accumulates on the lakebed below log storage areas leased from the Department of Natural Resources. Maintenance Dredging in the May Creek Delta. Dredging at the mouth of May Creek has been conducted for several decades a means to maintain flow in May Creek and to forestall flooding and loss of property at the site. As permitted, dredging has been conducted with a barge mounted clamshell dredge. Dredge spoils have been removed from the delta and placed in a temporary dredge dewatering/storage area. Dredge spoils are predominantly sands and gravels that rapidly dewater. As soon as dredged materials from the May Creek Delta are dewatered (typically a matter of hours), spoils are removed from the temporary dredge storage area to an upland location for loading and offsite transport and beneficial use. Water from the dredge spoil dewatering infiltrates site soils and ultimately returns to Lake Washington. In recent years the Barbee Mill Company has also created several thousand square feet of shallow water habitat with the reconfiguration of the shoreline immediately west of the May Creek dredge area Additionally, the company has made a substantial improvement in the stream corridor riparian habitat with native plantings along May Creek to reduce erosion; to provide shading to the stream corridor, and to enhance critical riparian habitat along the lowest reaches of May Creek. Maintenance Dredging in the Bark and Wood Debris Area. As a long-term consequence of log storage, the near-shore lake bottom has accumulated substantial quantities of bark and wood debris. The highest accumulation of bark is observed in the near-shore at water depths of 6 to 25 feet deep from the Ordinary High Water Line (OHWL, 22.5 feet MSL, Corps Datum) and at distances of up to 300 feet from the shoreline. Historically, bark and wood debris dredging has been conducted for the purpose of maintaining navigational depth adjacent to the mill. However, recent dredging work (Fall, 1999) was conducted for the additional purposes of restoring Lake Washington sediment quality and shallow water habitat for fishes. • L&AI ESA to COE.doc Page 4 of 13 Barbee Mill Company— ESA Compliance Planning May 8, 2000 Dredging Methodology The May Creek Delta and a portion of the Bark and Wood Debris Area have been dredged with a barge-mounted clamshell dredge. In the May Creek Delta area, dredged materials are immediately deposited in the temporary dredge storage area for dewatering. In the Bark and Wood Debris area, dredge spoils were first loaded onto a scow which was then off-loaded to the temporary dredge storage area for dewatering. As soon as dredge materials were dewatered, spoils were removed by an excavator, loaded into trucks, and moved further upland for handling and offsite transport. Like previous dredging at the site, the active dredge area will be enclosed by a silt fence, constructed from log booms and filter fabric. The fence extends from the surface to the lake bottom. As an added precaution, oil absorbent boom is immediately available. These same precautions are detailed in permit applications and have been incorporated into permit conditions and dredging operations. For example, water quality monitoring was conducted during active dredging operations in the May Creek Delta and the Bark/Wood Debris areas. Turbidity impacts were minimal within several feet of the active clamshell dredge, and these impacts were unmeasureable 15 to 20 feet away. Dissolved oxygen levels showed similar trends. Data collected during dredging operations indicate no immediate or long-term water quality impact within the active dredge area. This conclusion is further supported by visual observations of zero evidence of any fish stress or fish kills during dredging operations at Barbee Mill in 1999 (Lloyd & Associates, Inc., 1999). Although there was some minor vegetation (principally milfoil) removed during dredging operations in the May Creek Delta, Vegetation was not observed in the bark and wood debris area. Timing of Work Dredging has been conducted at times and conditions approved by the Department of Fish & Wildlife. Data, gathered from previous dredging events, indicate that potential water quality impacts (turbidity, dissolved oxygen, conductance) were minimal or unmeasureable within feet of the active clamshell dredge. At no time have fish kills been observed, nor have any signs of fish stress or any other impact been observed during dredging. The proposed dredging is a continuation of work begun in 1999. Dredging work in the Bark and Wood Debris removal area is expected to last for approximately 8 weeks. As before, dredging will be conducted from a barge mounted clamshell dredge. The entire dredge area will be enclosed by a continuous silt curtain in accord with existing permit requirements and project plans. Dredging will also be monitored regularly for dissolved oxygen and potential turbidity problems although neither dissolved oxygen or turbidity problems were observed during the most recent • L&AI ESA to COE.doc Page 5 of 13 Barbee Mill Company — ESA Compliance Planning May 8, 2000 dredging events of 1997 or 1999. (Lloyd & Associates, 1999). As recommended by HARZA, dredging is proposed to occur during summer months, July through September (See Attachment 1). Noise Although there has been a moderate increase in noise levels during dredging operations, actual noise levels are not significantly higher than noise levels generated by heavy equipment at the site and by sawmill operations. A temporary increase in the number of trucks entering and leaving the facility is observed, as clean sand and gravel is trucked from the site. IC. PROJECT ACTION AREA The Barbee Mill Company (Renton, WA) has operated a sawmill on the shoreline of Lake Washington for over 50 years. The industrial facility occupies approximately 20 acres and 2000 feet of shoreline on Lake Washington. Currently, the shoreline of Lake Washington is largely a developed urban environment consisting of single and multiple residential units, where changing land uses are becoming more commercial-residential, and those remaining shoreline industrial land uses are in substantial decline. The proposed action area consists of the bark and wood debris dredge area identified in Figure 1 Historically, dredging operations have not resulted in observable short or long-term impacts at Barbee Mill. Environmental impacts, if any, have made a substantial positive impact on water and sediment quality in the vicinity of May Creek and at the Bark and Wood Debris Dredge area. For example, in 1997, Barbee Mill reconfigured the shoreline at the site with the result that approximately 2000 ft2 of shallow water habitat was created adjacent to the May Creek Delta. In 1999 Barbee Mill dredge Bark and Wood Debris Area was partially dredged for the removal of bark and wood debris. This work will be continued with the removal of bark and wood debris just north of the 1999 dredge area. The bark and wood debris is shown as a shaded area on Figure 1. II. SPECIES AND HABITAT INFORMATION Species and habitat survey information is provided in the "Aquatic Habitat and Fish Populations Survey and ESA Fish Species Assessment," prepared by Harza Engineering Company (provided as Attachment 2 to this report, 4/2000). IIIC. EXISTING ENVIRONMENTAL CONDITIONS Although a formal ESA review was not required at the time the project was permitted, proposed project information was provided to and reviewed by the National Marine Fisheries Services and the U. S. Fish and Wildlife Department. • L&AI ESA to COE.doc Page 6 of 13 Barbee Mill Company — ESA Compliance Planning May 8, 2000 Bark and wood debris has accumulated in Lake Washington below log storage areas at the Barbee Mill Company. This bark has accumulated on the lakebed at a thickness of up to 4 feet adjacent to the shoreline. The amount of bark on the lakebed generally decreases with distance from the shoreline. At a distance of approximately 300 feet form the shoreline, the percentage of bark decreases substantially. This enclosed area is designated as the Bark and Wood Debris Dredge Area. Accumulating bark and wood debris within the bark and wood debris dredge area is decaying/composting in place. Because of the substantial biological oxidation demand (BOD) within the sediment profile, anoxic conditions prevail in the lake sediments within the bark and wood debris dredge area. The result is that this potentially productive, near-shore, shallow-water habitat is virtually devoid of sediment/aquatic flora and fauna. In short, the pre-existing near-shore, shallow-water habitat is of very low quality and is unsupportive of either threatened or endangered salmonid species that may live or pass through the bark and wood debris dredge area. Although some shading and hiding space is provided adjacent to pilings and bulkheads and below stored logs, the pre-existing habitat value is marginal although dredging conducted in 1999 for the removal of bark and wood debris should have very positive short and long-term impacts. One immediate impact was the immediate disappearance of methane bubbles from the anaerobic decomposition of bark and organic debris. Restoration of oxic conditions will allow plant species to repopulate this near-shore habitat. Present Conditions Currently, approximately 40-50% of the proposed dredging in the bark and wood debris area has been completed under Corps permit 1995-2-00997. The bark and wood debris dredge area was divided into three subareas, based upon data gathered during the permitting process. Area A was believed to contain clean sediments of high organic content (bark and wood debris). This assertion was confirmed by sampling and analysis conducted concurrent with dredging operations. Sampling did reveal that there was some sediment contamination (petroleum hydrocarbons) immediately adjacent to the shoreline near a storm water outfall. Although dredging was not conducted in Areas B or C, additional sampling and analysis information was gathered last fall (see Attachment 3). Area C sediments were found to contain low concentrations of PAH compounds. Area B is a transition zone which is believed to contain clean sediments, but for which a higher sampling density is proposed to provide additional sediment testing information during dredging operations so that sediments with low concentrations of PAH compounds are not comingled with clean sediments. • L&AI ESA to COE.doc Page 7 of 13 Barbee Mill Company— ESA Complial Le Planning May 8, 2000 Dredge Area A was substantially completed during dredging conducted last fall. Dredging was completed per permit requirements. A silt curtain was constructed that surrounded Dredge Area A. The silt curtain was supported by booms and was weighted to rest on the bottom at a maximum water depth of approximately 25 feet. Dredging occurred from a barge mounted clamshell dredge in water from approximately 6 to 25 feet deep. Dredge spoils were either placed directly into the temporary dredge storage area or off-loaded from the scow to the temporary dredge storage area. Dredging was conducted by Manson Construction. Water quality testing and visual observations of the dredge area were conducted during dredge operations. At no time were fish kills or fish stress observed. Dissolved oxygen levels typically greater than 10 ppm within the curtained, dredge area. Dissolved oxygen levels adjacent to the clamshell dredge were typically greater than 8 ppm and never lower than 6 ppm within feet of the clamshell dredge. Turbidity measurements were very low and resulted in minimal water quality impact, even directly adjacent to the active clamshell dredge. Visual impacts were minor and of extremely short duration. A small petroleum sheen was observed adjacent to the shoreline near a storm water outfall. Previously gathered sediment sampling data indicated the potential for petroleum hydrocarbons. The observed sheen (less than 1 ft2) was contained with an oil absorbent boom that was placed around the immediate/active dredge area. A Fish & Aquatic Plan, Habitat Utilization Assessment (HARZA, 1993) was conducted late in 1993 in conjunction with dredge permitting efforts in the May Creek Delta at Barbee Mill. A copy of this earlier HARZA assessment is provided in Attachment 2. III. EFFECTS OF THE ACTION IIIA. EFFECTS ANALYSIS Because of the overall degraded conditions of the bark and wood debris dredge area, the primary direct effect of dredging will be to restore aerobic conditions in the near-shore shallow water sediment habitat of Lake Washington. Short term impacts, as previously measured and reported are very localized and of short duration. Dredging results in minor increases in turbidity and a slight decrease in dissolved oxygen. These short term impacts are of very short duration (hours) and of limited areal scope (feet). Long-term impacts are also very promising with the beneficial return of aquatic flora and fauna. Additional discussion of the effects of the action are provided in Attachment 1. IIIB. TAKE ANALYSIS The potential for an incidental take of a listed species is extremely low in the bark and wood debris dredge area. In major part this is because existing, degraded, • L&AI ESA to COE.doc Page 8 of 13 Barbee Mill Company— ESA Compliance Planning May 8, 2000 environmental conditions do not support a viable community of plants and animals, including threatened or endangered species. In fact the entire purpose of this project is to remove bark and wood debris as a necessary step to improve near-shore sediment habitat. Additional discussion is provided in Attachment 1. IIIC. CONSERVATION MEASURES As proposed and formalized in current permits, Barbee Mill Company has adopted measures which are protective of the environment and which have proven to be protective and have substantially reduced the potential of an incidental take or adverse impact on the environment. Those measures that have been planned and implemented are summarized below: Water Quality Best Management Practices and Measures ❑ Surround the active dredge area with filter fabric to minimize turbidity o Ready availability of oil absorbent boom ❑ On-site water quality moniforing during dredging operations to assess the effectiveness or impact of dredging (fish kills or stress, if any) o Full scale dredge dewatering in the dredge storage area to minimize return water o No stockpiling of dredge spoils in the water Habitat Protection/Quality Best Management Practices and Measures o Routine sampling and analysis of sediments for contamination o Use of a smaller bucket to minimize the amount of sediment removed and to mazimize the amount of bark and wood debris removed ❑ Removal of dredged material from the dredge storage and dewatering area to minimize incidental return of dredged materials to the lake. o Daily inspection of dredged materials for flora/fauna impacts o Conduct of dredging during approved "windows" to minimize any potential impact on threatened or endangered species that may be present during other times of the year. o Cessation of dredging if threatened or endangered species are observed in the active dredge area. o Continued restoration and habitat improvement of the May Creek Corridor Additional discussion of these measure is provided in project plans and reports that have been approved or presented to regulatory entities, including the Crops of Enginers. IIID. DETERMINATION OF EFFECT Proposed species identified by the National Marine Fisheries Service (NMFS) and discussed in the Harza Report (Attachment 1) will not be jeopardized by the • L&AI ESA to COE.doc Page 9 of 13 Barbee Mill Company— ESA Complia. Planning May 8, 2000 proposed action for the dredging and restoration of Lake Washington near-shore shallow water habitat. Short-term impacts from dredging operations are known to have no or minimal negative impact on water, sediment, or habitat quality. Removal of bark and wood debris has the immediate impact of restoring aerobic sediment conditions providing for the long-term water, sediment, and habitat quality improvements. As a consequence, we believe that restoration of the lake bottom is not likely to adversely affect (NLTAA) threatened or endangered species. IV. ATTACHMENTS o Attachment 1 - Aquatic Habitat and Fish Population Survey and ESA Fish Species Assessment. Harza Engineering. March 2000. o Attachment 2 - Fish and Aquatic Plant Utilization Assessment for the May Creek Delta, Lake Washington. Harza Northwest. September 1993. o Attachment 3 - Dredging Summary -1999, Lloyd & Associates, Inc., December 1999. • L&AI ESA to COE.doc Page 10 of 13 Barbee Mill Company— ESA Compli Planning May 8, 2000 Attachment 1 Aquatic Habitat and Fish Population Survey and ESA Fish Species Assessment Harza Engineering. March 2000 • L&AI ESA to COE.doc Page 11 of 13 BARBEE LUMBER MILL MARCH 2000 AQUATIC HABITAT AND FISH POPULATION SURVEY AND ESA FISH SPECIES ASSESSMENT Prepared by Harza Engineering Company April 24, 2000 4--IAR_ZA 2000 Survey and Assessment CONTENTS INTRODUCTION 1 MARCH 2000 AQUATIC HABITAT AND FISH POPULATION SURVEY 3 Study Area 3 Methods 3 Results and Discussion 5 Fish Populations 5 Aquatic Macrophytes 6 Substrate Conditions 6 DESCRIPTION OF CANDIDATE/PROPOSED/LISTED SPECIES POTENTIALLY AFFECTED BY PROPOSED ACTION(S) 7 Methods 7 Results and Discussion 7 Chinook Salmon 7 Bull Trout 8 Coho Salmon 10 EFFECTS OF THE PROPOSED ACTION ON AQUATIC HABITAT AND FISH POPULATIONS (EFFECTS ANALYSIS) 12 Water Quality 12 Habitat Access 12 Habitat Health 12 Channel Condition and Dynamics 12 Flow/Hydrology 13 Watershed Conditions 13 TAKE ANALYSIS 13 PROPOSED CONSERVATION MEASURES 13 REFERENCES 14 APPENDIX A 16 Barbee Lumber Mill Page i mreee repo U(W2dW 5.14 PM —IARZA 2000 Survey and Assessment INTRODUCTION The Barbee Lumber Mill is located along the southeastern shore of Lake Washington in the City of Renton. The facility occupies approximately 8 hectares of land and 610 meters of shoreline near May Creek (WRIA Number 0282), a Class 1 tributary to Lake Washington (Foster Wheeler 1995). The owners of the Barbee Lumber Mill have previously conducted and are currently permitted to conduct maintenance/remediation dredging in two areas of Lake Washington shown in Figure 1; the Barbee Lumber Mill log storage area (photo 1) and the May Creek delta(photo 2) (Lloyd and Associates 1999). Over the years,the Barbee Lumber Mill's log storage area has accumulated substantial quantities of bark and wood debris. Most of this material has accumulated below the existing log boom in water depths ranging from 6 to 25 feet and at distances of up to 300 feet from shoreline (Lloyd and Associates 1999). In the past, this area was dredged to maintain a navigational depth adjacent to the mill. More recently(fall 1999), portions of this area were dredged to restore Lake Washington sediment quality and potentially improve aquatic habitat. The May Creek delta, at the mouth of May Creek,has also been dredged on several occasions to remove accumulated sediment(sand and gravel) and reduce the risk of flooding. The most recent dredging of the delta occurred in the fall of 1999. The owners of the Barbee Lumber Mill are currently seeking approval to dredge additional bark and wood debris from the log storage area in the summer of 2000. To assist in this effort,Harza Engineering Company conducted a SCUBA based aquatic habitat and fish population survey of the mill's log storage area (the proposed action area) and the May Creek delta. The objectives of this survey were to document the types of habitat present, determine the species composition and average densities of aquatic macrophytes; and describe the species composition and estimated densities of any fish observed in the survey area. To supplement the information collected during the March 2000 survey and assist in ongoing agency consultation,Harza staff compiled and reviewed existing information on the listing status,general life history, and the stock status for each candidate,proposed or listed fish species known to occur within and near in the proposed action area (chinook salmon and bull trout). The goal of this literature review was to collect and summarize any available species specific information needed to complete a Biological Assessment under the Endangered Species Act of 1973 (ESA). In this report, we summarizes the results of the March 2000 aquatic habitat and fish population surveys; and describe the listing status, general life history, and the stock status for each candidate, proposed or listed fish species known to occur within and near the proposed dreading area. In addition, we describe the potential effects of the proposed action on each of these species and their habitat. 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The Barbee Lumber Mill log storage area (Bark Area A and Bark Area B). r. "' . - r Fr4. '- , sift.4. 1 • I''''..;�. M IF ' +¢'wee.y.,Xw. �,p xi • A J �... '-:; ' -t�,�'' fir:«"� 3..�a - vuse 'F �'++M`i �y �t� 2.$, Y� k}•' .,..4� �'t e .,.i dt ''4" ,J� .�`} vpY.+�tiC,• -i; y- c. r x t' 4 r-- e b4, e<rr « x .. " dr,• - �J",Gx.►'{a .a �. . t +.�..>'r> .i¢.�-+'a ,era ::1,.:, ,-.:',:r4?'�•.. w,atr c4-4— 9'1C Yr ...--- �u+r ., z. Photo 2. The May Creek delta study area. Figure 1. Site Photographs. Barbee Lumber Mill Page 2 t rt=repon<OMI4'005.14 PM I--IARZA L000 Survey and Assessment MARCH 2000 AQUATIC HABITAT AND FISH POPULATION SURVEY Study Area Three distinct areas of Lake Washington were surveyed in March of 2000; the May Creek delta,Bark Area A and Bark Area B (Figure 1,photo 1). The May Creek delta includes two small coves divided by a short peninsula. A second,larger peninsula further separates this delta area from the main body of lake. As part of the November 1999 dredging project, approximately thirty feet of this larger peninsula was removed, and a rock/boulder retaining wall was constructed along the shoreline. Currently, the surface area of the May Creek Delta is about 0.65 hectares. Bark Area A is located immediately north of the May Creek Delta(Figure 1,photo 2). The total surface area of Bark Area A is approximately 1.1 hectares. This area was historically used for log storage,resulting in extensive bark accumulations along the lake bottom. The dredging of this area in November 1999 was designed to remove these accumulations to restore the natural lake bottom. Bark Area B, another heavily impacted log storage site, is located immediately north of Bark Area A (Figure 1,photo 2). The total surface area of Bark Area B is approximately 0.7 hectares. This area is slated for dredging in summer/fall of 2000. Methods Two Harza fisheries biologists used SCUBA surveys to assess and describe the existing aquatic habitat and fish populations in each of the 3 study areas. Six underwater transects were placed in the May Creek delta. Two of these,Transects 1 and 2, were placed in the May Creek cove; one was placed in the boathouse cove (Transect 3); and three (Transects 4 through 6) were positioned to span the entire width of the delta(Figure 2). All six transects were placed parallel to each other, oriented from 320° to 140°. An attempt was made to place these transects in the same locations that were surveyed by Harza in 1993 (Harza 1993). Five survey transects were placed in Bark Area A. Four of these (Transects 2 through 5) were oriented from 310°to 130° and placed approximately 23 meters apart(Figure 2). A near-shore snorkel survey(Transect 1) was also conducted along the southern bulkhead and eastern seawall. Three transects were placed in Bark Area B. These transects were oriented from 340° to 160° and placed approximately 30 meters apart(Figure 2). Two divers swam each transect twice using SCUBA. During the first pass,divers identified each fish observed to species,estimated the total number of fish observed, and recorded the distance from the start of the transect in terms of fm kicks. The depth, dominant/subdominant substrate, and visibility existing when the fish were encountered were also recorded. Distance covered by fin kicks was calibrated by swimming a set distance and recording the number of fm kicks. Plant densities where the fish were first seen were visually estimated as low,moderate, or high. Fish densities were calculated by dividing the number of fish observed by the area covered in each transect. The area covered by each transect was determined by multiplying the length of the transect by twice the estimated distance at which fish were identifiable during each pass (visibility). Barbee Lumber Mill Page 3 butte repnN04/24/005:14 PM I-IARZA _000 Survey and Assessment BARK AREA B (DREDGE WORK PENDING) (N), TRANSECT 1 THROUGH 3 mom I � SAWMILL COMPANY AND DOCK STRUCTURE SOUTH OUTFALL BARK 2 a SNORKEL �r TRANSECT #1 h L (SHADED) 4 TTRANSECTA1ATHROUGH b) \ 4, LAKE WASHINGTON �P{ le 641 ' DOCK BOAT H&OUSE ie MAY CREEK DELTA TRANSECT 1 THROUGH 6 Figure 2.The study area,including the May Creek delta (Transects 1 through 6),Bark Area A (Transects 1 through 5) and Bark Area B (Transects 1 through 3). Barbee Lumber Mill Page 4 e.rt.repoNO424/'0(0:14 PM NARZA ..300 Survey and Assessment During the second pass, plant samples within a half-meter square quadrat were counted at intervals along the transect line as determined by a set number of fin kicks (20 to 40 kicks). Within Bark Area A,characteristics of the dredged versus non-dredged areas and a rough estimate of material removed by dredging (percent of total surface area) were noted. Plant densities in each plot were estimated, counted and identified using the same techniques that were used by Harza in 1993 (Harza 1993). Plant density estimates made during the plant surveys were correlated with measured plant counts. This correlation was then used to estimate densities in the areas where fish were observed. Results and Discussion Aquatic habitat and fish population surveys were conducted on March 24 and March 30, 2000. Transects 2 and 3 in the May Creek delta, and Transects 1 through 5 in Bark Area A, were surveyed on March 24. The remaining transects were surveyed on March 30. On both survey dates, the underwater visibility ranged 2 to 3 meters (horizontal distance) and the water temperature was 5°C. Depths in the May Creek delta survey area ranged from 0.1 to 6.0 meters. Water depths in Bark Area A and Bark area B (including areas outside of the survey transects) ranged from 0.5 to 6.5 meters. The following paragraphs provide a summary of the fish populations, aquatic macrophytes and substrate conditions encountered within each survey area. More detailed, transect specific information is presented in Tables 1 through 3 in Appendix A. Fish Populations Salmonid species known to occur in May Creek and Lake Washington the near the Barbee Lumber Mill include sockeye salmon (Oncorhynchus nerka), coho salmon (O. kisutch), chinook salmon (O. tshawytscha), steelhead (O. mykiss) and cutthroat trout(O. clarki). Chinook, sockeye, steelhead and cutthroat trout are maintained by natural production. Coho and rainbow trout are sustained by annual stocking(Foster Wheeler 1995). Non-salmonid species known or suspected to occur within and near the study area include largemouth bass (Micropterus salmoides), smallmouth bass (M. dolomieui), black crappie(Pomoxis nigromaculatus),pumpkinseed sunfish (Lepomis gibbosus),yellow perch (Perca flavescens),northern pikeminnow (Ptychocheilus oregonensis), three-spine stickleback (Gasterosteus aculeatus),brown bullhead (Ictalurus nebulosus) peamouth(Mylocheilus caurinus) and prickly sculpin(Cottus asper) (Harza 1993). The only fish species observed during the March 2000 aquatic habitat and fish population surveys were northern pikeminnow, three-spine stickleback and an unidentified species of shiner(Notropis sp.) The northern pikeminnow (length approximately 10 cm) was encountered in Bark Area B, midway along the most shallow transect(Transect 1) (Appendix A). The fish appeared injured and was easily caught by hand, then released. The only other sightings of fish occurred during a pre-dive shoreline reconnaissance of the study area; a school of sticklebacks were observed along the seawall adjacent to Bark Area B, and small groups of unidentified shiners were also seen near the boathouse and dock south of May Creek. These fish were likely redside shiners. No salmonids were observed during the transect surveys or shoreline reconnaissance. The relatively small number of fish observed during the March surveys may be related to poor or unsuitable habitat conditions or to variations in the seasonal use of this near shore habitat. Barbee Lumber Mill Page 5 y,ya,eponrouzaoas:u PM {—IARZA ...300 Survey and Assessment Aquatic Macrophytes Three species of aquatic macrophytes were observed during the March 2000 aquatic habitat surveys; elodea (Elodea canadensis),Eurasian milfoil (Myriophyllum spicatum), and an unidentified species of pondweed (Potamogeton sp.). Elodea is a native species known to occur throughout Lake Washington. It is nodally rooting and forms large mats in shallow water,near-shore areas. Eurasian milfoil is a non-native species that first appeared in Lake Washington in the mid-1970's. This species spreads rapidly, and now dominates the aquatic macrophyte community in the near-shore areas of Lake Washington (Harza 1993). The potamogeton observed during the 2000 surveys was immature, consequently, it was very difficult to identify to species. In 1993,Harza identified two species of potamogeton in the May Creek delta;curly potamogeton (P. crispus) and Richardson's potamogeton (P. richarsonii). Both curly potamogeton and Richardson's potamogeton are common throughout Washington state. It is likely that the individuals observed during the 2000 surveys were one of these two species. In March of 2000, the May Creek Delta contained moderate to low densities of elodea and milfoil, and low densities of potamogeton (Appendix A,Table 1). The distribution of milfoil in the May Creek delta tended to be uniform with the highest concentrations located throughout the northwest portion of the survey area. The distribution of elodea in the May Creek delta was more patchy with the highest concentrations located at depths less than one meter and greater than three meters. Overall, the greatest amount of aquatic macrophyte biomes in the May Creek delta was contributed by elodea, followed closely by milfoil. Potamogeton was relatively rare. When potamogeton was encountered, it was usually an isolated individual. The near shore areas of Bark Area A and Bark Area B also contained low to moderate densities of elodea and milfoil (Appendix A). However,unlike the May Creek delta,the distribution of these macrophytes was limited to the areas that appeared to be least impacted by bark and wood debris accumulations (Transects 1 and 2). There were very few or no rooted aquatic macrophytes observed along the heavily impacted deep water transects (Appendix A). It should be noted that fragments of elodea were observed in the bottom of several dredging pits in Bark Area A. These fragments may become rooted during this summers peak going season. The densities of macrophytes in all three survey areas will also likely increase as the water temperature increases. Substrate Conditions The substrate in the May Creek delta was comprised of a mixture of silt and fine sand. The deeper water transects (Transects 5 and 6) also contained areas of very fine silt(mud) along the southeast end. During the survey, two or three shallow pits (0.3 m wide, 10 cm deep) were observed along Transect 6. These pits were relatively small, and likely old spawning nests remaining from last spring/summer,created by largemouth bass or other centrarchid species. These pits were to small to salmon or steelhead redds. The substrate in Bark Area A was dominated by a mixture of silt and mud, interspersed with areas of tree bark and wood fragments. A limited amount of sand was also observed in the southeast third of Transect 1. Wood deposits appeared to be the heaviest in the northwest third of the Transect 2. Signs of dredging were not apparent in this area, although because of shallower depths and proximity to shore,wave action may have redistributed the material since last fall. Similar conditions were observed along Transect 3. Transects 4 and 5 were dominated by silt/bark substrates. This area exhibited signs of extensive dredge work,resulting in 1-2 meter deep by 2-3 meter wide pits in the Barbee Lumber Mill Page 6 Barbee,epuwvzaroas:14 PM I-I�.RZA 2000 Survey and Assessment bottom sediments. Twenty-one such pits were observed along Transect 4 and approximately ten pits were observed along Transect 5. Wave action is expected to redistribute material along the bottom in subsequent years, but at present these pits are quite steep sided (>45° slope) (Appendix A,Table 2). The substrate in Bark Area B was dominated by a mixture silt/bark sediments throughout the study area. Bark accumulations were greater in the southern end of the transects,but not appreciably. Transects 2 and 3 had similar silt and bark accumulations. A freshwater mussel was observed at a point midway along the transect line. Water depth ranged between 3.7 and 4.6 meters. Invertebrates observed included two freshwater mussels, a clam, and small mycid shrimp clustered along the bottom. Depths ranged from 5.2 to 5.8 meters(Appendix A,Table 3). DESCRIPTION OF CANDIDATE/PROPOSED/LISTED SPECIES POTENTIALLY AFFECTED BY PROPOSED ACTION(S) Methods Information describing the listing status, general life history, and the stock status for each candidate, proposed or listed fish species known to occur within and near in the proposed action area was gathered from a variety of sources. Numerous Internet sites were searched,focusing particularly on web pages with high probability of containing applicable information (e.g. NMFS,USFWS,WDFW, Bull Trout Foundation,King County, etc.). Harza staff also spent considerable time at the University of Washington libraries searching both their catalog holdings and their CD-ROM databases (e.g. Aquatic Sciences and Fisheries Abstracts and BIOSIS). In addition, contacts were made with local representatives of USFWS,WDFW, and King County to inquire about recent, unpublished data that may be available. All existing information was compiled,reviewed, and condensed into the life history and stock summaries presented below. Furthermore, many of the documents attained through the literature search provided insight into the potential effects of dredging and are cited throughout the effects section. A description of each candidate,proposed or listed fish species is presented below. Results and Discussion Of the fish species known to occur within and near the proposed action area,two are designated as threatened and one is proposed for listing under the ESA. These species include chinook salmon (threatened),bull trout(threatened), and coho salmon (proposed for listing). Chinook Salmon On March 24, 1999,the National Marine Fisheries Service (NMFS) listed chinook salmon (Oncorhynchus tshawytscha) in the Puget Sound Evolutionarily Significant Unit(ESU) as threatened under the Endangered Species Act of 1973 (ESA) (64 FR March 24, 1999). The ruling applies to all naturally spawned populations of chinook salmon (and their progeny) in the Puget Sound region from the North Fork Nooksack River to the Elwha River in the Olympic Peninsula. Critical habitat (designated on February 16, 2000) includes all marine,estuarine and river reaches accessible to listed chinook salmon in Puget Sound, including Lake Washington and its tributariesl. 1 http://www.nwr.noaa.gov/lsalmon/salmesa/chinpug.htm. Barbee Lumber Mill Page 7 but=ftpotwN2uoas:a PM l—IARZA z000 Survey and Assessment The NMFS Biological Review Team (BRT) cites numerous factors contributing to the decline of Puget Sound chinook salmon. These include the degradation or loss of freshwater spawning and rearing habitat,variations in ocean conditions,poor hatchery practices and over-harvest. All Puget Sound chinook stocks, including those found in Lake Washington,exhibit"ocean-type" life history patterns, meaning that juveniles typically migrate to sea within the first three months after emergence. Ocean-type chinook utilize estuarine areas extensively, which has been noted to reduce stress associated with parr-smolt transitions from freshwater to saltwater(R2 Resource Consultants 2000, 63 FR March 9, 1998). However, chinook juveniles have also been found to delay seaward migrations by rearing in Lake Washington for extended time periods (Wydoski and Whitney 1979). Ocean-type chinook remain in the ocean from one to six years before they mature,but most commonly spend between two and four years at sea before returning to their natal streams to spawn (Fishbase.org 2000, 63 FR March 9, 1998). While at sea,ocean-type chinook usually remain near coastal areas off of Washington, Canada, and as far north as Alaska (WDFW 1994, 63 FR March 9, 1998). The primary chinook salmon stock in the project vicinity originates from the Cedar River. The Cedar River run is a native,naturally spawning population without supplementation from hatchery stocks. There is limited published data regarding this population, although, escapement is estimated at between 400 and 1,500 adults. The Cedar River stock is thought to be depressed,however, the scarcity of data prohibits a definitive assessment of stock status (WDFW 1994). May Creek does not have a self-sustaining chinook salmon run and individuals utilizing the stream are likely strays from the Cedar River. However,these chinook use May Creek for spawning and rearing. Lake Washington is a major migration corridor for chinook and is also used for juvenile rearing. Spawning surveys conducted in 1976 and 1977,found May Creek chinook salmon population densities of one and seven fish per mile,respectively. Population surveys conducted in 1983 did not find chinook salmon in May Creek, while surveys conducted in 1992 and 1993 found peak densities of one fish per mile (Foster Wheeler 1995). Adult Cedar River chinook salmon enter Lake Washington through the Ballard locks from late June through September with a peak in late August. Spawning occurs from mid-September through mid- to late November,with a peak in early to mid-October(WDF 1993). Chinook eggs hatch between 90 and 150 days after deposition depending upon water temperatures. Survival after emergence is strongly related to suitable water temperatures,water velocities, sediment loads, and gravel quality (63 FR March 9, 1998). In the Cedar River,fry probably begin to emerge in February and continue through March and perhaps April (City of Seattle 1998). The distribution and behavior of chinook fry in Lake Washington and the role the lake plays as a rearing area is not well understood(City of Seattle 1998). Bull Trout On November 1, 1999 the U.S. Fish and Wildlife Service (USFWS) issued a final rule announcing the listing of bull trout throughout the coterminous United States as a threatened species under the ESA (64 FR November 1, 1999). This rule was based upon the previous listing of Klamath River, Columbia River,and Jarbridge River populations segments and the need to list Coastal-Puget Sound and St. Mary-Belly River population segments. Together,these populations segments encompass the entire range of bull trout within the mainland United States (64 FR November 1, 1999). The Coastal- Barbee Lumber Mill Page 8 Perpee repro/O4/24005 10 PM I-4AR7_A 2000 Survey and Assessment Puget Sound population segment is comprised of all Pacific coast and Puget Sound bull trout populations within Washington State, including Lake Washington and its tributaries. Bull trout have very specific habitat requirements and are more sensitive to habitat changes than other Pacific salmonid species (USFWS 1998, R2 Resource Consultants 2000). Because of this, the USFWS addressed numerous issues responsible for the depletion of bull trout populations in the coterminous United States. Most notable among the issues mentioned are: 1) destruction and modification of bull trout habitat through impacts caused by dams,forest practices,livestock grazing, agriculture,roads, and mining; 2) over-utilization for commercial and recreational harvest; and 3) inadequacy of existing regulatory mechanisms (63 FR June 10, 1998). The only confirmed bull trout stock in the project vicinity is the Chester Morse Lake population in the upper Cedar River watershed (WDFW 1998). The USFWS's 1998 assessment for listing of the Coastal/Puget Sound bull trout population segment identifies several key factors potentially limiting production in the Chester Morse Lake population. The tributaries of Chester Morse Lake were found to have high sediment loads, which reduces pool depth, alters substrate condition, and causes channel braiding (FR 64 November 1, 1999). These effects have been directly linked to decreased bull trout embryo survival and juvenile bull trout rearing densities (Pratt 1992,FR 64 November 1, 1999). Geographic isolation is another key concern for the Chester Morse Lake bull trout population. Cedar Falls, a complete barrier to anadromous fish, is located a short distance downstream from Chester Morse Lake prohibiting migration outside of the upper Cedar River watershed (WDFW 1998). Isolation of this nature makes the population more susceptible to catastrophic events that could effectively eliminate the population (FR 64 November 1, 1999). Bull trout have four distinct life history patterns: the resident or non-migratory type, fluvial fish that migrate within river systems, adfluvial fish that migrate between river and lake habitats, and anadromous fish that inhabit both freshwater and saltwater habitats during their lives (Goetz 1989, 63 FR June 10, 1998). All life forms of bull trout rely greatly upon freshwater spawning and rearing habitat that meet the species' specific requirements for cold water temperatures,clean gravels, and ample cover. Because of the species' dependence upon pristine freshwater reaches, they are more limited in their habitat use than other salmonid species (R2 Resource Consultants 2000). All life forms of bull trout spawn in low gradient stream reaches with water temperatures between 5° and 9°C. Spawning generally occurs in late summer to early fall as water temperatures begin to drop (Goetz 1989,FR November 1, 1999). The Chester Morse Lake population spawns later than typical bull trout populations with peak spawning occurring from mid-October to mid-November(R2 Resource Consultants 2000). Adult bull trout are capable of spawning year after year, although most adults spawn every second year. Bull trout embryos incubate from three to almost five months (100-145 days) depending upon water temperatures. Optimum water temperatures for incubation are between 2° and 4°C (Pratt 1992, R2 Resource Consultants 2000). Fry generally emerge from early April through May. Rearing fry and juveniles are territorial, inhabiting stream bottoms in covered areas (riparian vegetation, pools, boulders, etc.) with low water velocities and cool water temperatures (optimum rearing temperatures range from 2°-10°C). Temperatures above 15°C are thought to produce a thermal barrier for most bull trout(Goetz 1989, 63 FR June 10, 1998). Barbee Lumber Mill Page 9 butte repmu/O4/24/00/3:14 PM 1-1ARZA z000 Survey and Assessment Bull trout normally reach sexual maturity in 4 to 7 years and can live for over 12 years. The size and fecundity of bull trout at maturity depends upon life form. Resident bull trout tend to be smaller at maturity and less fecund than migratory fish. Adfluvial and anadromous life forms attain the largest adult sizes (FR 64 November 1, 1999). As stated previously,the only confirmed bull trout stock in the Lake Washington watershed,the Chester Morse Lake population, is geographically isolated from the proposed dredging area. Over the past twenty years there have been numerous bull trout sightings in Lake Washington proper and lower reaches of tributaries (Table 1). However,for the purpose of a biological assessment or biological evaluation, there is no specific bull trout population, as identified by the November 1, 1999 listing, occurring within the project area. However, Table 1. Bull trout sightings in Lake Washington and Lake Washington tributaries. Date Location Source of Sighting April 1981 Lake Washington near Kirkland Creel survey April 1984 Cedar River delta Dave Beauchamp, UW,gillnet survey August 1984 Between Highway 520 bridge and Dave Beauchamp,UW,gillnet survey Interstate 90 bridge March 1985 Cedar River delta Dave Beauchamp,UW,gillnet survey April 1993 Cedar River delta Eric Warner,WDFW October 1993 Issaquah Creek Bob Fuerstenburg, King County June 1996 H.S.Chittenden Locks Eric Warner,WDFW July 1998 Cedar River delta Army Corps of Engineers,seining project Sources: (Chan 2000,USFWS 1999,and WDFW 1998) The origin of these fish is unknown, yet it is believed that they may be from a remnant bull trout population spawning in the lower Cedar River and/or from a remnant population spawning in Issaquah Creek. Others believe that the water temperatures in the lower Cedar River and Issaquah Creek are likely too high to support a bull trout population and that the fish are strays from an anadromous population from outside of the Lake Washington watershed (WDFW 1998, USFWS 1999, 64 FR November 1, 1999). To date,no studies have been initiated that would identify the numbers of bull trout in Lake Washington or that would research their origin. Coho Salmon On October 27, 1993 NMFS published a notice stating that a listing may be warranted for certain populations of coho salmon in Washington, Oregon, and California. The NMFS notice also included a solicitation for all available information regarding the status of coho populations in these states. On July 25, 1995 NMFS printed a proposed rule stating, among other findings,that the Puget Sound/Strait of Georgia Evolutionarily Significant Unit(ESU) was being added to the candidate species list. At the time of the notice,NMFS found that there was not adequate information available to indicate that coho salmon in the ESU warranted protection under the ESA. However,NMFS stated that specific risk factors and concerns existed that needed clarification before NMFS could assess the overall health of Puget Sound/Strait of Georgia stocks (FR 60 July 25, 1995). NMFS is still evaluating the status of this ESU, although no new findings have been printed to date. Barbee Lumber Mill Page 10 barbs moll/04/21/O Y5 I4 PM I—IARZA z000 Survey and Assessment Later in 1995,NMFS found that coho salmon in the Puget Sound/Strait of Georgia ESU were abundant and the run sizes and natural spawning escapements are relatively stable. Although,NMFS also stated that hatchery propagation has had a major impact on native coho runs in the ESU, making it difficult to identify self-sustaining native coho stocks in the region. Furthermore, NMFS expressed that continuing loss of freshwater habitat,high harvest rates, and substantial decreases in the size of spawners pose potentially serious threats to remaining native production (NMFS 1995). Coho salmon, also known as silver salmon, are one of the most abundant and widespread sport fish in the Puget Sound area. The key factor in the species' extensive coverage of the Puget Sound is their ability to spawn in a variety of channel types, most commonly small,low gradient streams. In the Lake Washington watershed,coho are even found to migrate up roadside and agricultural ditches (R2 Resource Consultants 2000). Coho salmon spawn,rear, and over-winter in May Creek and use Lake Washington as a travel corridor(Foster Wheeler 1995). Coho salmon are anadromous fish that spend between one and two years in saltwater before returning to freshwater to spawn. Adult coho begin returning to Lake Washington in late August and continue through early to mid-November. After entering Lake Washington,most coho will remain in the lake for several weeks if river flows are low. Adult freshwater migration occurs from early August through mid-January, with the majority of spawning taking place from late September through mid- January(R2 Resource Consultants 2000). Coho egg incubation lasts between 6 and 8 weeks, depending upon water temperature, and hatched larvae generally remain within the gravel substrate for an additional three to four weeks before emerging from early March to mid-May(Wydoski and Whitney 1979,R2 Resource Consultants 2000). Coho fry typically congregate in schools within pools, while juveniles aggressively defend territory in riffle habitat,resulting in displacement of excess juveniles to less favorable habitat areas (Wydoski and Whitney 1979). Juveniles generally rear in their natal streams for one to two years before migrating to the ocean. The role of Lake Washington in juvenile coho rearing is not well understood (City of Seattle 1998). Compared to other anadromous salmonid species,coho spend less time in estuarine habitat and instead move rather quickly out to sea (R2 Resource Consultants 2000). Coho runs in Lake Washington are heavily influenced by hatchery production; therefore,recent studies have not been able to fully evaluate the status of self-sustaining naturally spawning coho populations in the region. However,recent trends in both hatchery and wild escapements in Lake Washington are showing a decline that may be attributable to urbanization,high harvest rates,habitat degradation, and poor ocean conditions (Fresh 1994,WDFW 1994). Naturally spawning coho escapement(which could be a mix of native and hatchery origin coho) in Lake Washington was as high as 30,000 fish in 1970 and declined to less than 2,000 in 1992 (Fresh 1994). WDFW's 1994 evaluation of Lake Washington coho populations for the region, including the Barbee Mill Project Area, found that coho populations are depressed,based upon the steady decline in escapement numbers (WDFW 1994). Available spawning survey information for May Creek suggests the same negative trend. Spawning surveys conducted in 1976, 1977, and 1985 found peak coho densities in lower May Creek at 23, 5, and 55 coho per mile,respectively. Surveys in 1992-93 found peak densities of only two fish per mile (Foster Wheeler 1995). Barbee Lumber Mill Page 11 report/ovwoas:w PM --IARZA z000 Survey and Assessment EFFECTS OF THE PROPOSED ACTION ON AQUATIC HABITAT AND FISH POPULATIONS (EFFECTS ANALYSIS) In the following sections, we describe the potential effects of the proposed dredging action on aquatic habitat and fish populations. Potential areas of impact that are addressed include water quality, habitat access,habitat health, channel condition and dynamics, flow/hydrology, and watershed conditions. Water Quality The removal of bark and wood debris from the proposed action area may have a short term, localized, adverse impact on turbidity and dissolved oxygen (DO) during dredging. However, these "construction effects" would be limited to the areas of the lake located within and near Bark Area A and Bark Area B. These effects would also be limited to the actual dredging period (likely only a few days). Shortly after dredging,both DO and turbidity are expected to decline to background levels. The implementation of Best Management Practices (BMP's) during dredging, would likely minimize these impacts. Overall, it is believed that the long term effect of this action on water quality condition in this portion of Lake Washington would be greatly outweighed by the anticipated increase in habitat quality. Habitat Access The proposed action is not expected to affect habitat access into May Creek or Lake Washington. However, short term increases in turbidity could potentially interfere with the migration of juvenile or adult salmonids. Increases in turbidity(often associated with dredging activities) are known to cause emigration, straying, and disrupt social behavior(NRC 1996). To minimize any effects of increased turbidity on migrating ESA listed species, dredging activities could be scheduled to occur during periods when adult and juvenile chinook and coho are expected to be outside of the action area. The implementation of other BMP's to reduce dredging-related increases in turbidity would also likely minimize any potential adverse effects. Habitat Health Because the health of available fish habitat in Bark Area A and Bark Area B has been severely affected by years of log storage, any measure to reduce the amount of accumulated bark and wood debris would likely improve the existing near-shore environment. Following the removal of bark and wood debris,habitat diversity is expected to increase as aquatic macrophytes begin to recognize the newly exposed lake bottom. This increase in macrophyte density and diversity is in turn expected increase the abundance and diversity of aquatic macroinvertebrates, the primary food source for numerous fish species, including salmonids. Macroinvertebrates also provide excellent cover for both juvenile and adult fish. Cover, an extremely important component of healthy fish habitat is severely limited in both Bark Area A and Bark Area B. Channel Condition and Dynamics Because the proposed action is limited to Bark Area A and Bark Area B, it will have no effect on channel condition and dynamics in May Creek. Barbee Lumber Mill Page 12 bvbee rcpon/µ 24 4XY5:14 PM 1—IARZA L000 Survey and Assessment Flow/Hydrology Because the proposed action is limited to Bark Area A and Bark Area B, it will have no effect on the hydrology of May Creek or Lake Washington. Watershed Conditions The proposed action will have no effect on May Creek watershed conditions. The action is expected to improve habitat in Lake Washington. TAKE ANALYSIS Take of a listed species mean to harass,pursue,hunt, shoot, wound,trap,capture, or collect or attempt to engage in any such conduct(Corps of Engineers 2000). Harm is further defined to include significant habitat modification or degradation that results in death or injury to listed species by significantly impairing behavioral patterns such as breeding, feeding or sheltering. Harass is defined as actions that create the likelihood of injury to listed fish species to such an extent as to significantly disrupt normal behavior patterns which include,but are not limited to,breeding,feeding, or sheltering(Corps of Engineers 2000). The proposed dredging of Bark Area A and Bark Area B is not expected to result in the take of any ESA listed fish species. The existing near-shore environment in Bark Area A and Bark Area B has been severely affected by years of log storage. Large quantities of bark and wood debris (up to 4 feet deep)have accumulated on the lake bottom,creating extremely poor and potentially anoxic aquatic habitat conditions. These conditions are believed to be incapable of providing rearing habitat resident or anadromous salmonids, including chinook,coho and bull trout. During the March 2000 aquatic habitat surveys, only one fish was observed in Bark Area A and Bark Area B. This northern pikeminnow appeared to be injured and was easily captured by one of the divers. No salmonids were observed during the surveys. Both aquatic macroinvetbrates and aquatic macrophytes were also extremely rare in the deeper water areas of both Bark Area A and Bark Area B. PROPOSED CONSERVATION MEASURES Recommended measures that could be implemented to reduce or eliminate the short term adverse impacts of dredging on ESA listed fish species and their habitat include: a) Placing a silt and sediment barrier around the excavation site to preclude sediments from spreading into Lake Washington. z Timing dredging activities to occur during periods when migrating or rearing ESA listed fish species are expected to be well outside of the proposed action area. We recommend dredging between July 1 and September 15. a) Monitoring dredging activities to ensure compliance with any required BMP's. Barbee Lumber Mill Page 13 Neve RpcnN4/24U0'S:14 PM NARZA z000 Survey and Assessment REFERENCES Chan,J. 2000. Letter to Marc Daily of Harza Engineering Company. April 4,2000. City of Seattle. 1999. Cedar River Habitat Conservation Plan. Executive Summary. http://www.ci.seattle.wa.us/util/watershed/cedar/hcp/execsummary.htm Dykeman, R.G. 1980. An Investigation of the Young of the Year and Age I Fish Population in Southern Lake Washington. University of Washington Master of Science Thesis. Eggers,D.M. et al. 1978. The Lake Washington Ecosystem: The Perspective from the Fish Community Production and Forage Base. In: Journal of the Fisheries Research Board of Canada. 35: 1553-1571. Fishbase.org. 2000. Chinook Salmon Information downloaded from Fishbase.org on April 11,2000. Foster Wheeler. 1995. May Creek Current and Future Conditions Report. Prepared for King County and City of Renton. August 1995. Fresh,K.L. 1994. Lake Washington Fish: A Historical Perspective. In: Lake and Reservoir Management. Vol. 9,no. 1,pp. 148-151. Goetz,F. 1989. Biology of the Bull Trout Salvelinus confluentus a Literature Review. Willamette National Forest. Eugene, Oregon. February 1989. Harza. 1993. Fish and Aquatic Plant Habitat Utilization Assessment for the May Creek Delta,Lake Washington,on September 27, 1993. Prepared for Lloyd and Associates. October 26, 1993. Lloyd and Associates. 1999. Draft Report provided by Michael Lloyd. March,2000. Myers,J.M. et al. 1998. Status Review of Spring Chinook Salmon from Washington,Idaho, Oregon, and California. NOAA Technical Memorandum. NMFS-NWFSC-35. 443 pp. National Research Council (NRC). 1996. Upstream: Salmon and Steelhead in the Pacific Northwest. Committee on Protection and Management of Pacific Northwest Anadromous Salmonid,Board on Environmental Studies and Toxicology,Committee on Life Sciences. QL638.S2U67. Pratt,K.L. 1992. A Review of Bull Trout Life History. In: Proceedings of the Gearhart Mountain Bull Trout Workshop. Oregon Chapter of the American Fisheries Society. R2 Resource Consultants. 2000. Tri-County Urban Issues ESA Study Guidance Document. Prepared on behalf of the Tri-County Urban Issues Advisory Committee. February 2000. U.S. Army Corps of Engineers. 2000. Draft Guidance,BEJBA Format - for Applicants. Version: 5 Jan 2000. U.S. Fish and Wildlife Service. 1998. Candidate and Listing Priority Assignment Form for the Coastal/Puget Sound Bull Trout Population Segment. February 12, 1998. Barbee Lumber Mill Page 14 bubx repon/O4/74/003:14 PM —IAf2ZA z000 Survey and Assessment U.S. Fish and Wildlife Service. 1999. Draft Summary for Bull Trout in Lake Washington. November 23, 1999. Washington Department of Fish and Wildlife. 1994. 1992 Washington State Salmon and Steelhead Stock Inventory. Olympia,WA. September 1994. Washington Department of Fish and Wildlife. 1998. 1998 Salmonid Stock Inventory: Appendix, Bull Trout and Dolly Varden. July 1998. Weitkamp,L.A. et al. 1995. Status Review of Coho Salmon from Washington, Oregon, and California. NOAA Technical Memorandum NMFS-NWFSC-24. September 1995. Wydoski, R.S. and R.R. Whitney. 1979. Inland Fishes of Washington. University of Washington Press. Seattle,WA. 60 Federal Register. 25 July 1995. Endangered and Threatened Species: Proposed Threatened Status for Three Contiguous ESUs of Coho Salmon Ranging From Oregon Through Central California. Vol. 60,no. 142,pp. 38011-38030. 63 Federal Register. 9 March 1998. Endangered and Threatened Species: Proposed Endangered Status for Two Chinook Salmon ESUs and Proposed Threatened Status for Five Chinook Salmon ESUs; Proposed Redefinition,Threatened Status, and Revision of Critical Habitat for One Chinook Salmon ESU; Proposed Designation of Chinook Salmon Critical Habitat in California, Oregon,Washington, Idaho. Vol. 63,no. 45, pp. 11482-11520. 63 Federal Register. 10 June 1998. Endangered and Threatened Wildlife and Plants: Proposal to List the Coastal/Puget Sound,Jarbidge River, and St. Mary-Belly River Population Segments of Bull Trout as Threatened Species. Vol. 63,no. 111,pp. 31693-31710. 64 Federal Register. 24 March 1999. Endangered and Threatened Species: Threatened Status for Three Evolutionarily Significant Units (ESUs) in Washington and Oregon and Endangered Status for One Spring Chinook Salmon ESU in Washington. Vol. 64,no. 56,pp. 14308-15328. 64 Federal Register. 1 November 1999. Endangered and Threatened Wildlife and Plants; Determination of Threatened Status for Bull Trout in the Coterminous United States. Vol. 64, no.210,pp. 58910-58933. Barbee Lumber Mill Page 15 Mrbee,epretA 2V0/5:14 PM —I,ARZA L000 Survey and Assessment APPENDIX A Barbee Lumber Mill Page 16 barbs reponiO4/24/0d3:14 PM Table 1. . Site: May Creek delta Transect# Station# Bearing Depth(m) Substrate Vegetation Density Vegetation Types Comments 1 1 140 4.0 silt moderate elodea/milfoil Painted Turtle-SE Bank 1 2 140 1.8 sand/sand low elodea/milfoil rolling dunes along bottom 2 1 140 1.8 sand/silt/gravel on sides none 3 1 140 1.8 sand/silt/gravel on N.side none 3 2 140 0.9 silt/sand low elodea/milfoil 4 1 320 2.8 sand none 4 2 320 0.9 silt/sand moderate elodea,potamogeton,milfoil 4 3 320 2.5 silt/bark/sand low milfoil 4 4 320 2.2 sand/silt low milfoil 4 5 320 1.5 silt/sand low milfoil Bark debris on NW end;rolling dunes midway 5 1 140 2.2 silt/sand low milfoil 5 2 140 1.8 silt/sand low milfoil,potamogeton,elodea 5 3 140 2.2 silt/sand low milfoil 5 4 140 2.5 silt/sand low milfoil 5 5 140 4.0 silt moderate elodea,r it Algal mat along bottom 5 6 140 3.1 fine silt none Algal mat along bottom 6 1 320 4.6 silt low elodea, • ,il 6 2 320. 4.3 silt low milfoil Shallow pits-.3 m wide, 10 cm depth 6 3 320 2.5 silt/sand low milfoil 6 4 320 3.1 silt/sand low elodea, nogeton,milfoil 6 5 320 4.6 silt/sand moderate elodea,: ,i1 6 6 320 5.8 silt none Table 2. Site: Bark Area A Transect# Station# Bearing Depth(m) Substrate Vegetation Density Vegetation Types Comments 2 1 130 3.7 bark/silt none 2 2 130 4.0 —0.5-0.7 m bark none No obvious"pits"from dredging efforts 2 3 130 3.4 silt/bark low elodea/milfoil 2 4 130 2.5 silt low elodea 2 5 130 1.8 silt/bark low elodea Heavier concentrations of bark on 2 6 130 4.9 silt/sand low elodea northwest end of transect 3 1 130 3.7 lots of bark none 3 2 130 3.4 silt/bark none 3 3 130 3.7 —0.7 m bark none 3 4 130 3.7 —0.5-0.7 m bark low elodea small isolated patches of elodea 3 5 130 3.1 —0.7 m bark low elodea 3 6 130 3.1 muck/fine silt none 3 7 130 4.3 muck/fine silt none 4 1 130 4.0 silt/bark none 4 excavated pits 4 2 130 3.7 silt/bark none 3 excavated pits 4 3 130 4.6 silt/bark none 2 excavated pits 4 4 130 5.8 silt/bark none 3 excavated pits 4 5 130 4.6 silt/bark none 5 excavated pits 4 6 130 4.0 silt/bark none 3 excavated pits 4 7 130 1.2 silt/bark none 1 excavated pit 5 1 130 5.5 silt/bark none 5 2 130 4.9 silt/bark none approximately 10 excavated pits along 5 3 130 4.9 silt/bark none entire transect line(#5) 5 4 130 5.5 silt/bark none Table 3. Site: Bark Area B Transect# Station# Bearing Depth(m) Substrate Vegetation Density Vegetation Types Comments 1 1 340 2.0 Bark none 1 2 340 2.5 Bark low elodea/milfoil Less bark accumulations in the North end of 1 3 340 2.5 Bark/Silt low milfoil/elodea transect line 1 4 340 2.5 Bark/Silt moderate milfoil/elodea 1 northern pikeminnow 1 5 340 2.5 Bark/Silt moderate milfoil/elodea 1 6 340 2.5 Silt low milfoil 2 1 160 4.6 Silt/Bark none Increasing vegetation in South end of transect 2 2 160 4.6 Silt/Bark none 2 3 160 4.0 Silt/Bark none FW mussel-Bark debris evenly distributed 2 4 160 3.7 Silt/Bark none throughout-—0.7- 1.0 m thickness 2 5 160 3.7 Silt/Bark low milfoil 2 6 160 4.0 Silt/Bark low milfoil/elodea 3 1 340 5.2 Silt/Bark none Large submerged log at start of transect 3 2 340 5.5 Silt/Bark none 3 3 340 5.2 Silt/Bark low elodea 3 4 340 5.2 Silt/Bark none 3 5 340 5.5 Silt/Bark none FW mussels,FW clam found 3 6 340 5.8 Silt/Bark none Small mycid shrimp clustered along lake 3 7 340 5.8 Silt/Bark none bottom sediments Barbee Mill Company—ESA Compl,a..,.a Planning May 8, 2000 Attachment 2 Fish and Aquatic Plant Utilization Assessment for the May Creek Delta, Lake Washington Harza Northwest. September 1993 • L&AI ESA to COE.doc Page 12 of 13 May Creek Delta FISH AND AQUATIC PLANT HABITAT UTILIZATION ASSESSMENT FOR THE MAY CREEK DELTA, LAKE WASHINGTON, ON SEPTEMBER 27, 1993. Introduction May Creek enters Lake Washington at the site of the Barbee Lumber Mill in the City of Renton. The Barbee Lumber Mill has dredged this creek and its delta area several times over the past 30 years(Mike Lloyd,Lloyd and Associates, Snoqualmie,WA,pers. comm.). An application for future dredging has been submitted to the City of Renton, which is requiring that topographic surveys and underwater fish and plant habitat assessments be made before permit review can be completed. A fish and aquatic plant survey of the May Creek delta was conducted by Harza Northwest on September 27, 1993. This report summarizes the findings of that habitat assessment. A literature review is included to augment the field work. The review describes probable seasonal use of this area by species not observed during the field survey. Site Description The May Creek delta area is comprised of two coves divided by a peninsula and is separated from the main portion of Lake Washington to the west and northwest by a second, larger peninsula (Figure 1). The surface area of the May Creek Delta is approximately 1.6 acres. The delta is bounded on the east by a hill vegetated with deciduous trees and shrubs that slopes down to a wooden retaining wall at the shoreline. The remainder of the delta shoreline, with the exception of the areas at the ends of the two coves, consists of two sparsely vegetated, steep-sided peninsulas that are covered with mounds of fine sandy soil (dredge spoil). This fine material slopes down to the water edge and slumps into the wetted portion of the delta. The head of the eastern cove is bounded by a gradual grassy slope ending with a concrete boat ramp at the shoreline. May Creek enters the delta at the head of the western cove. Several structures exist within the May Creek delta. A wooden pier and boathouse are located immediately west of the boat ramp. South of the pier and boathouse is a floating dock. Log retention booms are connected to pilings extending south from the dock. Other wooden pilings are located along the eastern shoreline of the delta and are associated with the wooden retaining wall along the shoreline. A bridge crosses the mouth of May Creek where it enters the delta. Fish&Aquatic Plan Habitat Ut ilization Assessment Page 1 711]O1/11:14yO t6uc1O1WP3 m:JS PM May Creek Delta Water depth in the May Creek delta rarely exceeds 4 meters while the maximum depth in the two coves is approximately 3.5 meters (Figure 1). Water depth increases rapidly at the edges of the two peninsulas where the banks are steeply sloped. Depth increases more gradually along the eastern shore of the delta and in the two coves. Most of the substrate within the delta consists of fine silt and sand. Some embedded gravel is found along the eastern shoreline and in the mouth of May Creek. The substrate in the areas adjacent to the two peninsulas is comprised of the same sandy material that forms the terrestrial portions of these peninsulas. This sandy material is unstable in the steeper-bottomed areas near these shores and slumps easily when disturbed by even gentle wave action. Literature Search The distribution of many fish species within Lake Washington changes seasonally. Hence, the one-day habitat utilization survey conducted for this report was augmented by a literature review which describes probable seasonal use of the littoral delta habitat by fish (Table 1). The table includes most species likely to use the May Creek delta habitat at some point in their life history. Cyprinids not included in the table (i.e. carp, goldfish, tench, redside shiner)likely use the May Creek littoral areas for spawning in spring and summer, and may forage along the shoreline year-round(Wydoski and Whitney 1979). Largescale suckers (Catostomus macrocheilus)may inhabit the bay in spring and pass through the delta to spawn in May Creek (McHart and Aspinwall 1970). Fish and Aquatic Plant Assessment Overview Field work conducted in late September was scheduled to assess the aquatic community at the time of maximum plant biomass and at a time when juvenile fish would be using littoral areas of Lake Washington for forage and refuge. The one-day survey of fish and aquatic plant utilization was conducted by two Harza Northwest Inc. fisheries biologists on September 27, 1993 to identify fish and plants found in the May Creek delta. The intent of this assessment was to systematically describe the aquatic fauna and flora and to qualitatively describe the habitat present in this site. This survey was not designed to provide population estimates or similarly rigorous quantitative characterizations. Fish&Aquatic Plan Habitat Utilization Assessment Page 2 71 ►I,4,Cnd cIO2Q 3 4P1 May Creek Delta Methods Two biologists initially snorkeled through the entire study area to assess habitat characteristics such as lake bottom topography, substrate, and vegetation; to qualitatively assess the distribution and types of fish present; and to site transects which would be used later to enumerate specific observations. During this and all subsequent dives, the number, size and species of fish observed were recorded. Six transects were established along which fish and plant distributions were systematically described (Figures 1 and 2). Two transacts were sited within the May Creek outlet cove, one in the boathouse cove, and three which spanned the entire study site. All six transects were parallel, oriented from 317° to 137°, and sited to cross representative habitat areas. These transects were established by beginning at a fixed location and swimming at a fixed compass heading (Appendix 1). One diver swam each transect twice using SCUBA gear. During the first pass, the diver identified each fish to species,estimated numbers of fish, and recorded the distance from the shoreline, depth, substrate, and visibility existing when the fish were encountered. Plant densities where the fish were first seen were visually estimated as low,moderate or high. Fish densities were calculated by dividing the number of fish observed by the area covered in each transect. The area covered by each transect was determined by multiplying the length of the transect by twice the estimated distance at which fish were identifiable during each pass. Plant samples were collected during the second pass at three 1 square meter plots from transects longer than 50 meters (Transects 4, 5, and 6) and at two 1 square meter plots from the remaining transects. The three plots on the longer transects were located 1 meter from the shoreline and at one-third and two-thirds of the distance along the transect. The two plots on the shorter transects were located 1 meter from the shoreline and at the mid point of the transect. Plant densities in each plot were first visually estimated in the same fashion as during the fish survey (e.g. low, moderate or high). Then, all plants from within each plot were collected and later enumerated and weighed'. Plant samples from each plot were divided into categories of whole stems and stem fragments. The number of whole stems of each species was determined by adding the number of whole stems to those estimated from the stem fragments. This estimate was 'Wet-weights were used to estimate plant biomass and were determined by weighing plants which had been gently shaken to remove excess water but which had not been dried by other mechanical means. All plants were weighed within 8 hours of their collection and after being sorted by species and rinsed of sand. Plants were stored in air- tight plastic bags during the interval between collection and weighing. Fish&Aquatic Plan Habitat Utilization Assessment Page 3 n laowr196.,ae3 Jac I CR661"03.76 PM May Creek Delta generated by multiplying the average weight-per-stem,calculated by weighing the known quantity of stems, and the weight of the stem fragments. Plant density estimates made during the plant surveys were correlated with measured plant density. This correlation was then used to estimate densities in the areas where fish were observed. Results Six fish species were observed during the initial reconnaissance of the May Creek delta (Table 2). Large schools of centrarchid larval fry were observed at the outlet of May Creek during the initial survey but were not as abundant in the actual transect survey. Three species were observed during the transect survey- largemouth bass, pumpkinseed sunfish and yellow perch (Table 3). The highest density and diversity of fish (Figure 1) were observed along the east shore of the study site,with Transects 1 and 4 exhibiting the highest overall fish diversity and density. The majority of the fish observed were schooling young of the year centrarchids. Most fish were observed in depths of less than 3.5 meterS and were most frequently associated with rooted aquatic macrophytes. The two adult largemouth bass were associated with the floating dock and the densest school of pumpkinseed were seen near the boathouse. No fish were observed along Transect 3. Aquatic macrophytes encountered during the dive surveys included elodea or waterweed (Elodea canadensis), curly potamogeton (Potamogeton crispus), Richardson's potamogeton (P. richarsonii),wild celery (Vallisneria americana) and Eurasian milfoil (Myriophyllum spicatum). Elodea is a native aquatic macrophyte that is thought to occur throughout Washington. It is nodally rooting and forms mats in shallow water, where its small, densely packed leaves provide a disproportionately large amount of surface and attachment area for aquatic organisms. Curly potamogeton also forms mats of vegetation in ponds and streams, and also provides a large area of leaf surface. It is native to Europe, introduced in North America, and known in both central and western Washington. Richardson's potamogeton is also found on both sides of the Cascades. It is a taller plant with leaves more loosely arranged and tends to be more scattered in growth habit than curly potamogeton, but it typically occupies the same types of habitat. Wild celery is native to eastern North America; however, Hitchcock et al (1969) notes that it was introduced into several lakes in Washington, including Lake Washington. Wild celery Fish&Aquatic Plan Habitat Utilization Assessment Page 4 71130WP1 J4,1]ed doe IWWtf/P]:W of PM May Creek Delta spreads by rhizomes,and although its growth habitat cannot be described as matting, it does form monotypic colonies in shallow water. Milfoil appeared in Lake Washington in the mid-1970's, and has spread rapidly. Although milfoil provides nutrients, surface area for aquatic organisms, and forage and hiding cover for several species of fish,milfoil is regarded as a nuisance plant which complicates the management of water quality,recreation, and navigation. It now dominates the plant community in most areas of Lake Washington above the 10-15 foot contour,where its management requires an active eradication program (K. Hamel,Washington Department of Ecology,pers. comm., January 13, 1993). Plant diversity and density was highest for sample sites on Transect 1 (Appendix 2 and 3; Figure 2). The lowest plant diversity (2 spp.) was found along Transects 3 and 5, while the lowest densities were observed along Transect 5 (Figure 2). In general the highest density and diversity of plants were observed in depths of less than 4 meters, and were most abundant along the east shore. The greatest number of stems and biomass were contributed by elodea, and collected along Transect 6 (Figure 2, Appendix 2) from a depth of about 3.5 meters. Discussion The May Creek delta appears to be a rich fall nursery area for centrarchids (bass, sunfish) and yellow perch. These fish school and feed primarily along the east shoreline, and the head of the east bay. This area is characterized as littoral, with abundant cover (plants and structure), warm temperatures, sand/silt bottom and is highly productive. The west bay has a more uniform bottom,comprised mainly of dredge spoil from the two peninsulas and fine sand that washes from the creek. The substrate in this area is unstable and as a result, few rooted macrophytes have been able to colonize. The area is shallow but water temperatures are cool due to the influence of May Creek. The limited cover and cooler temperatures are probably the reason fewer fish were observed in this area. It is highly likely that sculpin, sticklebacks, and bullheads were present in the study area. Dive surveys are based on visual observation and the cryptic coloring of sculpin, and sometimes secretive behavior of catfishes and sticklebacks make it difficult to see these animals. Based on the literature review (Table 1), most of the warm water fish species (e.g. sunfishes, sculpins,suckers,cyprinids,perch;catfish and stickleback) likely use the May Creek littoral areas (east and west) for spawning (spring -summer) while their young will feed in warm Fish&Aquatic Plan Habitat Utilization Assessment Page 5 May Creek Delta productive areas with cover for most of their early life history. The cold water fishes such as salmon and smelt would only pass through the delta to spawning grounds in May Creek. Coho and sockeye salmon fry may feed in the littoral areas for part of their early life history. The trouts would likely ascend to the warm littoral areas only to prey upon other species. The rooted aquatic macrophyte community is relatively diverse compared to the Coulon Park, Boeing, (Harza N.W. Inc Bellevue, WA) and Shuffleton (Puget Sound Power and Light 1979) aquatic plant communities of south Lake Washington. The different species of plants provide stability and a diversity of structure, thus habitats, within the aquatic community. This is likely why Transects 1 and 4, with the highest diversity of plants,also had the highest diversity of fish species. • Fish&Aquatic Plan Habitat Utilization Assessment Page 6 n 1.70w?I34)dedArc:10116193M34►u • . ! 0 / t0 ( LEGEND: � 6 /�� -/1 DEPTH (FT) — — — LAKE 12 — 4 _____ _ TRANSECT # 1, 2, 3 ... WASHINGTON // Y' \ csEi LARGEMOUTH BASS PUMPKINSEED omi J \ SUNFISH 7?\ / \\ BRIDGE 4.4 YELLOW PERCH i2` 1 7. � 3 � � .� 1-10 coo 1 (r . 11-100 \\ 2 I PIER 4W ��{ `Y C • y S \ — N.."--,.. 1..:..: � BOATHOUSE �� 101-1000 i 5 4 1 CEMENT FOUNDATION FIGURE 1. THE NUMBER. SPECIES AND LOCATION OF FISH OBSERVED ALONG STUDY TRANSECTS IN THE MAY CREEK DELTA. LAKE WASHINGTON ON SEPTEMBER 27. 1993 � '�. \ LEGEND: / - /AG DEPTH (FT) - / 6 1 // / TRANSECT # 1, 2, 3 ••• LAKE 12 - - / / , WASHINGTON / "' 0-3 G/M2 In 4-31 G/M2 32-316 G/M2 317-3162 G/M2 ,.,•,u,,,• BRIDGE \\ .II/ / /�' 3, 4 at O\\ I 2 '% PIER &AY CR S \ MOM ; r 41044444t$04. BOATHOUSE . �,4• II 6 5 4 1 CEMENT FOUNDATION FIGURE 2. THE DENSITY (G/M 2) OF ALL SPECIES OF AQUATIC PLANTS COLLECTED FROM 15 PLOTS IN THE MAY CREEK DELTA. LAKE WASHINGTON ON SEPTEMBER 27. 1993 May Creek Delta Table 1. Lake Washington fish species that prefer sand/mud substrates, depths of 6 meters or less and would likely inhabit portions of the May Creek delta at some point in their life history. Species are broken into two groups, 1) residents - or those likely to be found year-round and 2) migratory species- those that may occupy littoral areas such as May Creek for a brief portion of their life history. SEASONAL LITTORAL USE SPECIES Adult Young NOTES REFERENCES _Iles'dent Largemouth bass Shallow habitats, School and feed Prefers cover Stein 1970 (Micropterus including mud, along shoreline, during the day i.e. salmoides) sand,gravel,year- year-round docks,or other round residents structure Black crappie Nest in vegetated Feed in littoral Adults prefer Brown 1968; (Pomoxis littoral areas June- areas,year-round dense vegetation Tagart 1972 nigromaculatus) Aug. Reside in and move offshore littoral zone (5-7 meters spring-fall depths)in winter Bluegill Shallows,school School and feed in Prefer areas with 1960; Wydoski (Lepomis and feed in littoral <2 meter depths some rooted and Whitney 1979 macrochirus) areas,year-round aquatic vegetation, residents sometimes eat plants - Pumpkinseed Spawn May-June Year-round littoral Prefer denser Reed 1971 (Lepomis in gravel,sand or use aquatic vegetation gibbosus) mud,year-round than bluegill,tend littoral use to have a home range Yellow perch Spawn April-May Feed and school in Prefer some Bartoo 1972 (Perca flavens) along shorelines, <2 meter depths, vegetation, appear over various move to open and to be localized, substrates and deeper water in usual travel in vegetation,move fall schools of similar to deeper waters age,sex,or size in 3-8 meters depths<8 meters summer-winter Prickly sculpin Spawn April-May Pelagic for fist ' Young prefer Kresja 1967 (Coitus Asper) under any type of month then benthic vegetated areas structure,year- and littoral year- while adults are round residents round often in open areas,in winter adults may move to deeper waters with cover Fish&Aquatic Plan Habitat Utilization Assessment Page 7 n,wwPI aocloas9a:a►►t May Creek Delta SEASONAL LITTORAL USE SPECIES Adult 1 Young NOTES I REFERENCES Resident(Cont) Peamouth Inlet and outlet Usually found Afford some Bartoo 1972; (Mylocheilus streams,or in lake within 2-3 meters protection from Nishimoto 1973 caurinus) shallows over of shore on the lee wave action such gravel substrate, side of some as logs,coves, move offshore in breakwater, docks regardless winter spring-fall of substrate or depth Squawfish Spawn in inlet and Young fish usually Prefer highest Bartoo 1972 (Ptychocheilus outlet streams in found over sand temperatures in ore gonensis) spring,also spawn and mud bottoms, Lake Washington on gravel shores; use vegetated in littoral zone or littoral spring-fall areas of 1 meter or upper pelagic may move less; year-round waters offshore in winter residents Brown bullhead Feed and spawn in Young school and Prefer mud/sand Wydoski and (Ictalurus shallow weedy feed in shallows, bottoms with Whitney 1979 nebulosus) areas,primarily in fall schools cover and nocturnal disperse,fry move vegetation to deeper water in fall Three-spine Spawn May-July Prefer protected Ubiquitous species Wootton 1976 stickleback in sandy shallows shorelines,will that often school (Gasterosteus of coves in 1-2 cm also move off- and occupy aculeatus) depths,inhabit shore in fall vegetated areas, depths of 10 cm- most live one year 10 m,in fall move and are offshore semelparous 6(breed once) Migratory Sockeye salmon Adults spawn in Fry may spend ld- Fish are transitory Kurt Fresh, (Oncorhynchus inlet streams and lmo. feeding in in littoral areas; personal nerka) on beaches of warm littoral areas not likely to spawn communication, Lake Washington. after outmigration in the May Creek WDF, 1993; Enter lake June from streams. delta due to Rogers 1968 and may spawn as Spring-Summer aquatic plants and late as March, unstable substrates most spawn in November Coho salmon Spawn in stream Young usually Adults may pass Groot and (Oncorhynchus riffles Sept.-Dec. rear in streams through the May Margolis 1991 kisutch) and lakes for one Creek delta on to two years their way to before migrating . spawn; young may to sea rear in the littoral . area Fish&Aquatic Plan Habitat Utilization Assessment Page 8 71120WP1:►L,6ed4 10/2697O PM May Creek Delta Table 2. A list of the six fish species observed in the May Creek Delta on September 27, 1993. Common Name Scientific Name Largemouth bass Micropterus salmoides Smallmouth bass Micropterus dolomieui Pumpkinseed sunfish Lepomis gibbosus Yellow perch Perca flavecens Rainbow trout Oncorhynchus mykiss Unidentified minnow/shiner Possibly Notropis. spp. Table 3. The relative density of three fish species observed along transects in the May Creek Delta, September 27, 1993. Fish Density (fish/m2) Transect Largemouth Yellow Perch Pumpkinseed Transect Length (m) Bass Sunfish 1 28 0.16 6.06 0.01 2 24 0.00 0.00 0.82 3 29 0.00 0.00 0.00 4 89 0.05 2.27 0.06 5 119 0.00 0.21 0.00 6 134 _ 0.00 0.09 0.45 Fish&Aquatic Plan Habitat Utilization Assessment Page 9 May Creek Delta References Bartoo, N. W. 1972. The vertical and horizontal distribution of northern squawfish (Ptychocheilus oregonensis), peamouth (Mylocheilus caurinus), yellow perch (Perca flavescens), and adult sockeye salmon (Oncorhynchus nerka)in Lake Washington. Masters thesis,Univ. Wash., Seattle. 60 pp. Brown,L. G. 1968. A study of age and growth of the black crappie,Pomoxis nigromaculatus, in Lake Washington. Master's thesis,University of Washington, Seattle. 20 pp. Burgner, B. 1991. Life history of sockeye salmon (Oncorhynchus nerka). In: Pacific Salmon Life Histories. Editors: C. Groot and L. Margolis. UBC Press. Univ. BC, Vancouver, BC. pp 16-59. Hitchcock,C.L., A. Cronquist, M. Ownbey and J.W. Thompson. 1969. Vascular Plants of the Pacific Northwest, Volume 1. University of Washington Press, Seattle and London. Kresja,R. J. 1967. The systematics of the prickly sculpin (Cottus asper) Richardson, a polytypic species: Part I, Synonomy, nomenclatural history, and distribution; Part 2, Studies on the life history, with special reference to migration. Pac. Sci. 21:241-51, 414-22. Nishimoto,M.L. 1973. Life history of the peamouth (Mylocheilus caurinus)in Lake Washington. Univ. of Wash. Seattle. 73 pp. Puget Sound Power and Light Company 1979. Shuffleton Power Plant 316(a) demonstration. Seattle,WA. 217 pp. Reed, R. J. 1971. Underwater observations of the population density and behavior of pumpkinseed,Lepomis gibbosus (Linnaeus), in Cranberry pond,Massachusetts. Trans. Am. Fish. Soc. 100(2):350-53. Rogers,D.E. and N. Newcomb. 1975. Distribution, abundance, and size of juvenile sockeye salmon and associated species in the Igushik lakes: final report. Univ. of Wash. Fish. Res. Inst. FRI-UW 8407: 66 pp. Snow,H.E. , A. Ensign , and J. Klingbiel. 1960. The bluegill: its life history,ecology, and management. Wisconsin Conservation Dept.Publication 230. 14 pp. Stein,J. N. 1970. A study of the largemouth bass population in Lake Washington. Master's thesis,University of Washington, Seattle. 69 pp. Tagart,J. V. 1972. Age and growth of the black crappie, Pomoxis nigromaculatus,in Lake Washington, 1970-1972. Master's thesis,University of Washington, Seattle. 18 pp. Wootton,R. J. 1976. The biology of sticklebacks. New York: Academic Press. 387 pp. Wydoski, R. S. and R. R. Whitney. 1979. Inland fishes of Washington. Univ. of Wash. Press, Seattle. pp 137-139. Fish&Aquatic Plan Habitat Utilization Assessment Page 10 APPENDIX 1 The location of each survey transect in the May Creek Delta referenced to fixed landmarks. All six transects were parallel and were oriented from 317° to 137°. In order to duplicate the same transects, future divers should locate the start point of each transect as noted below and proceed at a compass bearing of either 317° or 137°. Compass bearing from a fixed Transect reference point Location of the fixed reference point 1 137° 13 feet from the southwest corner of the pier west of the boathouse at the water's edge. 2 137° 100 feet from the southwest corner of the bridge over May Creek along the water's edge. 3 137° 200 feet from the southwest corner of the bridge over May Creek along the water's edge. 4 137° 242 feet from the southwest corner of the bridge over May Creek along the water's edge. 5 137° The tip of the western peninsula at the water's edge. 6 317° Begin at water edge west of the western corner of the cement foundation at the first residence. End transect when the tip of the western peninsula is at a bearing of 30° 71,20WP1,+7o t aoc1006/97:0NI PIA APPENDIX 2 Density of aquatic plant species(#stems/in2)collected from 15 sites along transects in the May Creek delta(September 27, 1993). Total Total Total No. of No.of stems Total No.of Total Stems Stems Stems Stems stems Stems stems TRANSECT SITE elodea vallisneria milfoil Nitella P.richardsonii P. crispus Detritus 1 East shore 447 157 12 0 0 0 0 616 1 Mid channel, 250 3 65 5 0 5 0 328 37 feet from east shore 2 Mid channel 0 0 0 0 0 0 0 0 2 west shore 344 0 10 2 0 2 0 358 3 East shore 25 0 0 0 0 0 0 25 3 Mid channel 385 0 1 0 0 0 0 386 4 1/3 from E 289 0 60 1 48 49 3 450 4 mid point 0 0 0 0 0 0 0 0 4 1/3 from 17 0 0 0 0 0 0 17 west 5 2/3 to east 3 0 6 0 0 0 0 9 edge 5 1/3 to east 0 0 0 0 0 0 0 0 5 west edge 0 0 0 0 0 0 0 0 6 East shore 7 0 1 0 0 0 0 8 6 1/3 way to 189 0 4 2 0 2 0 197 west shore - 6 2/3 way to 812 0 7 0 0 0 0 819 west shore 7UXJWP%Appmai-*C10n471:03+0 PM APPENDIX 3 Weight (wet) of aquatic plants collected from 15 sites in the May Creek delta, September 27, 1993 Weight Weight Weight Weight Weight Weight Weight Total (grams) (grams) (grams) (grams) (grams) (grams) (grams) Weight TRANSECT Sit h, elodea vallisneria milfoil Nitella P.richardsonii P. crispus Detritus 1 East shore 318.825 878.54 99.19 0 0 0 0 1296.6 1 Mid channel,37 283.4 21.255 580.97 21.255 0 21.255 0 928.1 feet from east shore 2 Mid channel 0 0 0 0 0 0 0 0.0 2 west shore 354.25 0 70.85 7.085 0 7.085 63.765 503.0 3 east shore 7.085 0 0 0 0 0 0 7.1 3 Mid channel 396.76 0 7.085 0 0 0 7.085 410.9 4 1/3 from E 297.57 0 368.42 0 113.36 113.36 0 892.7 4 mid point 0 0 0 0 0 0 0 0.0 4 1/3 from west 127.53 0 0 0 0 0 7.085 134.6 5 2/3 to east edge 7.085 0 7.085 0 0 0 0 14.2 5 1/3 to east 0 0 0 0 0 0 0 0.0 5 west edge 0 0 0 0 0 0 0 0.0 6 East shore 7.085 0 7.085 0 0 0 0 14.2 6 1/3 way to west 85.02 0 14.17 0 0 0 0 99.2 shore 6 2/3 way to west 906.88 0 14.17 0 0 0 0 921.1 shore - Barbee Mill Company—ESA ComplicuiLe Planning May 8, 2000 Attachment 3 Dredging Summary —1999 Lloyd & Associates, Inc., December 1999 • L&AI ESA to COE.doc Page 13 of 13 BARBEE MILL COMPANY, INC. Dredging Summary Maintenance Dredging - 1999 0 , c "am :., Debris ..... � Removal A=. 6 16 ,r. 0,-; Lake Washington .,,.: , 6 12 16' � Inner Harbor Line Temporary dge Y~ Barbee Mill Company re to a Area BARBEE MILL OWHL(21.8') 4111114 1i ® COMPANY ® P.O. Box 359 ttr• « Renton,Washington 98057 R&M sard and I ' r / m,eu• gad sewage Prepared by: LLOYD & ASSOCIATES, INC. 38210 SE 92nd Street Snoqualmie,Washington 98065 425-888-1905 December 23, 1999 Dredging report 99.DOC Bark&Wood Debris Maintenance uredging-Report December 23, 1999 Table of contents 1.0 Project Information/Dredge Summary 2.0 Historical Sediment Data Summary 3.0 Sampling and Sediment Tracking Methodology 4.0 Analytical Summary 5.0 Conclusions and Recommendations Figures Figure 1 - Dredging Areas/1999 Figure 2 - Sampling Locations/1997 Figure 3 - Bark/Debris Dredge Area A, Sediment Source Figure 4 - Sediment Sampling, Dredge Areas B and C Figure 5 - Water Quality Sampling Locations Tables Table 1 - Sediment Sampling Locations/1997 Table 2 - Sampling and Analysis Results/1999 Table 3 - Water Quality Summary/1999 Table 4 - Bark and Wood Debris Areas B and C - Sampling Data/1999 Table 5 — King County Sampling Data/1999 Page 2 of 9 Dredging report 99.DOG92006 Bark&Wood Debris Maintenance Dredging-Report December 23, 1999 1.0 Project Information/Dredge Summary Executive Summary The Barbee Mill Company has completed dredging of the May Creek Delta and has conducted approximately 40-50% of the proposed bark and wood debris maintenance dredging in Lake Washington, adjacent to their facility in Renton, WA. Sediments in the May Creek Delta arise from upstream erosional sources, which can deposit up to 5,000 cubic yards annually. Dredging in the bark and wood debris area was necessitated by the accumulation of bark and wood debris on the lake bottom below log storage areas leased from the Department of Natural Resources. Removal of oxygen consuming bark and wood debris from the lake bottom will substantially improve near-shore sediment quality and shallow water habitat of Lake Washington. The primary focus of this report is the removal of bark and wood debris. Routine maintenance dredging in the May Creek Delta proceeded as planned, and no problems were observed. Manson Construction conducted all dredging. Dredged materials from the May Creek Delta are clean sands and gravels, as has been observed and reported during previous dredging events. Permitting Summary Barbee Mill Company has applied for and received all required permits, as summarized below. The Permitting process was initiated in 1997 and was completed in the summer of 1999. Copies of all permits and approvals are located at the job site. ❑ Corps of Engineers May Creek Dredging Permit Bark and Wood Debris Dredging Permit Coastal Zone Consistency ❑ City of Renton Shoreline Substantial Development Permit/DNS Special Permit for Grade and Fill ❑ Department of Fish and Wildlife Hydraulic Project Approval ❑ Department of Ecology Shoreline Approval Water Quality Certification/Modification ❑ King County Department of Solid Waste Solid Waste Permit, not required per staff Page 3 of 9 Dredging report 99.DOC/92006 Bark&Wood Debris Maintenamc iredging-Report December 23, 1999 Project Area The bark and wood debris removal area covers an area of approximately 250,000 ft2 (see Figure 1) where bark and wood debris accumulation comprises greater than 50% of the sediment profile of the lakebed. As proposed, bark and wood debris removal was expected to take several dredging seasons to complete. May Creek delta sediments are principally well-drained sands and gravels with very few fines. Sediments in the bark removal area contain substantially higher quantities of bark and wood debris in addition to a higher percentage of fine silts and sands. As expected, finer materials from the bark and wood debris area dewatered more slowly than coarser sands and gravels extracted from the May Creek Delta. Dredging Operations Dredging was conducted with a barge-mounted clamshell dredge owned and operated by Manson Construction. Dredge spoils were discharged directly into the Temporary Storage Area for dewatering. Where the dredge could not reach the storage area directly, sediments were first placed in a scow then transferred to the storage area with the clamshell dredge. Once the materials (sand/gravel or bark/wood debris) were sufficiently dewatered for handling, the dredge spoils were excavated and trucked from the shoreline to upland areas away from Lake Washington. Dewatering in the temporary dredge storage area was observed to work quite well, although fine sediment accumulation on the bottom occasionally impeded infiltration. Periodic excavation of fine materials on the bottom of the storage area served to restore adequate rates of infiltration for dewatering. During the dredging of the May Creek Delta, a large clamshell dredge was used. However, during the bark and wood debris dredging, the larger bucket tended to remove too much sediment. A smaller clamshell bucket worked better for collecting bark and wood debris while decreasing the amount of sediment removed. In general, the clamshell dredge made two passes over the lakebed in Bark Area A. The first pass typically contained approximately 70-80% bark. The second pass was generally observed to contain 20-30% bark to yield a sediment-bark mixture with an approximate concentration of 50% bark. The volume of bark and wood debris was highest immediately adjacent to the shoreline and decreased with distance from the shoreline. Larger logs and sunken booms were tagged by a diver and recovered directly from the lakebed. Water Quality Concerns A silt curtain was placed in the water at the approximate 50% bark boundary, depicted as Dredge Area A in Figure 1. Filter fabric was hung on log booms interlinked with existing piling to provide a secure silt fence. The curtain was weighted so that it rested on the bottom of the lakebed. Water quality Page 4 of 9 Dredging report 99.DO092006 Bark&Wood Debris Maintenanc edging-Report December 23, 1999 measurements were routinely taken in the immediate area of the working dredge. These measurements included dissolved oxygen, conductance, and temperature. At no time did water quality measures exceed water quality criteria. Very little turbidity was observed in the May Creek Delta, and turbidity in the Bark Area was highly localized and contained within the silt fence. Significant oxygen depletion was not observed, and dissolved oxygen levels were acceptable (greater than 8 ppm oxygen), even adjacent to the clamshell dredge during dredging operations. Fish distress was not observed at any time. Bark and Wood Debris Handling and Processing Bark and wood debris was staged adjacent to the chip bunker. This location proved a short haul to the sawmill were a mechanical hammer (chipper) has been used to reduce the bark size. The resulting sediment/wood chip product (approximately 50% bark) appears to be an ideal topsoil mix, rich in organic matter, as would be expected. 2.0 Historical Sediment Data Summary Previous data collection events (1989, 1990 & 1997) have indicated that sediments in the May Creek Delta and immediate log haul out area immediately adjacent to the mill are clean. Petroleum hydrocarbons have been detected in sediments at concentrations less than 100 mg/Kg and polynuclear aromatic hydrocarbons (PAH's) have been detected in sediments at concentrations less than 1 mg/Kg (dry basis). Metals were detected at concentrations comparable or lower than background data published by the Department of Ecology. Historical May Creek results are summarized in the Sampling and Analysis Plan and are provided in Appendix A. Investigations were also conducted by RETEC (now Thermo-RETEC of Seattle, WA). These investigations consisted of sediment borings in the bark and wood debris area outlined in Figure 2. Samples were collected with a Vibracore sampler advanced to six feet below the mud line. These results indicate that potential contaminants of concern (principally PAH compounds and pentachlorophenol) were believed present at concentrations typically lower than MTCA Method A or Method B residential criteria. These data are provided in Table 1. MTCA cleanup criteria were utilized as a screening tool for decisions regarding additional sampling, sediment characterization, and sediment management and handling requirements. Low concentrations of polynuclear aromatic hydrocarbons (PAHs) were detected at all sampling stations. With the exception of sample VB-4, carcinogenic PAH concentrations were below MCTA Method A criteria for residential soils (1 mg/Kg - dry basis). Sample VB-4 (0-4" depth) gave a surface PAHc (carcinogenic PAH's) concentration of 3.13 mg/Kg, above MTCA Method A criteria (Area C, Figure 2). At the deeper, intermediate depth (12-48") the concentration dropped to 0.13 mg/Kg. Page 5 of 9 Dredging report 99.DOC/92006 Bark&Wood Debris Maintenanc edging-Report December 23, 1999 PCBs were not detected in any sediment sample. These data were used to develop the proposed dredge areas shown in both Figures 1 and 4. Contamination was not anticipated in Bark Area A, and none was observed, as verified by sampling and analysis generated during dredging operations. This data is provided in this report. 3.0 Sampling and Sediment Tracking Methodology As sediments were dredged from Lake Washington, the approximate source location was noted on a digitized map of the area. The digitized map was divided into grids for reference. Dredged materials were either loaded directly into the temporary storage area or loaded into the scow then transferred into the temporary storage area for dewatering. As soon as dredged materials were dewatered and would support access, they were sampled and moved from the temporary dredge storage area. Bark and wood debris was moved to a center portion of the site where the bark and wood debris is chipped, and the metal and other debris is sorted and removed. Sampling/Staging Samples were collected as composites of 5 grab samples from the temporary dredge storage area. A shovel was used to collect individual grab samples to construct a composite sample. In general, dredged materials were very well mixed in the temporary storage area. Mixing occurred as the clamshell dredge transferred materials and as an excavator worked to pile up dredge materials to improve dewatering. The general source location was noted, and materials were then moved from the storage area by truck. Sands and gravels were moved upland to the parking lot, and bark and wood debris were staged adjacent to the chip bunker behind straw bales until analytical data were available (24 hour rapid turn-around) to make a decision as to appropriate handling. As laboratory data was received that indicated that a source area pile was clean, then clean piles were merged. Sample results are believed to be representative of a given source area. In some cases, bark and wood debris samples were collected after transfer to staging areas. The current disposition of dredged bark and wood debris is shown in Figure 3. Originally, approximately 5-7 samples were planned for collection over the entire bark and wood debris dredge area. However, 13 samples were collected in Dredge Area A because of the volume of dredged bark and wood debris that was actually observed exceeded pre-dredging estimates. 4.0 Analytical Summary Because PAH's were detected in sediment soils, all dredge materials were tested for the presence of PAH compounds and other semivolatile organic compounds (EPA Method 8270). Additionally, samples were analyzed for RCRA metals (total) and Page 6 of 9 Dredging report 99.DOG92006 Bark&Wood Debris Maintenar..,.,Jredging-Report December 23, 1999 Total Petroleum Hydrocarbons (NWTPH-Dx). Sample results for source areas identified in Figure 3, and data are provided in Table 2. These results indicate that dredged bark and wood debris materials were below MTCA Method A or B criteria for residential use and would be acceptable as a potential soil amendment. All samples collected (except BA-13) indicated the presence of hydrocarbons (not surprising, given the matrix), but petroleum hydrocarbons were not positively identified as a spectral match. Sample BA-13, collected adjacent to the shoreline at the oil/water separator, contained identifiable petroleum hydrocarbons believed to be a mixture of motor and hydraulic oil. Because samples were known to contain at least 40-60% bark, samples were not tested for Total Organic Carbon as proposed in the Sampling and Analysis Plan (Lloyd & Associates, 1999). PAHc concentrations were less than 1 ppm, and volatile organic compounds (BETX or other Method 8240 parameters) were not detected in sediment samples from Bark Area A. Water quality measurements taken during dredging are provided in Table 3. As shown in Table 3, water quality was not impaired during dredging operations in the active area of dredging. At no time were dissolved oxygen levels lower than 8 ppm. Sampling locations are provided in Figure 5. Dredge Area B & C Sampling In addition to samples collected during dredging operations, samples were also collected from Areas B and C, immediately west of the sawmill. This work was conducted by Hart-Crowser from a floating dock that was moved to semi-randomly picked grids. A Ponar and a Van Veen sampler were used to collect samples. Each composite sample submitted for chemical analysis was composed of two or three "drops" to obtain sufficient sample quantity. These results are provided in Table 4. Approximate sampling locations are shown in Figure 4. As indicated in Table 4, PAHc (polynuclear aromatic hydrocarbons, carcinogenic) concentrations exceed MTCA Method A criteria for PAHc totals. The approximate area of shallow contamination (Dredge Area C) is outlined in Figure 4. These data indicate that dredge bark and debris from Dredge Area C may or may not be acceptable for residential use because of PAH contamination, but may have acceptable commercial/industrial applications or uses. Arsenic was detected in one sample at 30 ppm, above MTCA Method A/B criteria. Bark and wood debris to be dredged form Area B will require extensive sampling during dredging operations to assure that clean materials are not contaminated and are not mixed with potentially contaminated materials from Area C. King County Sampling The King County Department of Health also conducted some confirmatory sampling of sediments dredged from Bark Area A. These results are provided in Table 5. King County tested three sediment samples from the upland storage area. Traces Page 7 of 9 Dredging report 99.DOG92006 Bark&Wood Debris Maintenanc edging-Report December 23, 1999 of non-carcinogenic PAH compounds were detected in sample, Barbee 1. Apparently, King County did not test for petroleum hydrocarbons because of the potential for false positive results. Although King County did not issue a formal report, no further action was required by King County. Very little contamination was expected in Area A, and this was confirmed. Bark and wood debris piles contain approximately 50% bark as well as hydrocarbons derived from decaying organic matter. Petroleum hydrocarbons (motor oil, bunker C, lube oil, diesel) have not been detected in Bark Area A dredge spoils above MTCA Method A/B criteria for residential use except as noted for the immediate area surrounding sample BA-13. Sediments from the BA-13 area were dewatered and placed in a roll-off for disposal because of the presence of elevated concentrations of petroleum hydrocarbons, principally diesel and motor oil. 5.0 Conclusions and Recommendations Data from sampling events has been reviewed for accuracy and compliance with Quality Assurance objectives. In particular, data has been carefully reviewed to assure that hydrocarbons detected do not represent a petroleum source, but rather appear to be the natural decay products of rotting bark and wood debris fairly characteristic of most of Western Washington. Additional sampling may be conducted on the chipped bark and wood debris prior to sale as a topsoil or soil amendment as a further check prior to removal from the site. Because of the proximity of Dredge Area B to the contamination detected in Area C during recent sampling, additional samples will be collected from dredged materials from Area B to minimize the potential for mixing of clean materials with potentially contaminated materials. All dredge source areas will segregated until analytical data is available to make a determination. Dredging is expected to resume in the summer of 2000 in compliance with HPA and other permitting requirements. This interim project summary report will be submitted to the City of Renton, Corps of Engineers, Department of Ecology, and other interested. This report provides a summary of all actions taken and the efficacy of measures to minimize potential impacts on the environment. Dredging is largely complete within Area A. Sampling and analysis data indicates that sediments (sand/gravel and bark/wood debris) are clean and residual contamination levels are substantially below MTCA Method A/B residential criteria although a commercial use is recommended. Sediments dredged to date are believed suitable for use as commercial topsoil or as a soil amendment. Future dredging operations will initially focus on Dredge Area B before proceeding to Area C. The intent is to dredge those known clean areas, so as to avoid mixing Page 8 of 9 Dredging report 99.DOC/92006 Bark&Wood Debris Maintenance Dredging-Report December 23, 1999 clean and potentially contaminated materials. As dredged, all materials were assumed contaminated and handled accordingly until laboratory data indicated otherwise. This practice will be observed for all future dredging under existing permits. Page 9 of 9 Dredging report 99.DOG92006 Vicinity Map ' .0 ;,� Lake Washington Inset Scale: 6x , J.H.Baxter . . \o� ` ,'' Seale: far Qoendan Teminals ', i _ 0 2017 40Cf �(� - • j� --"/ if \ -- Barbee OOV' .P i- MIII .' e ,000k., a�a age�,t ,- 0- tarp , Ce 0�. \ 4,'"' �•' , I-405 0 J r ` a. Inner Harbor Line • /I��I _--_1• \\ i / . 0 ry Barbee MIII Company May Cree , ��`� c;. a ..: Dredg i/ • .Lumber storage01111110. :•: 4***1111k OWHL(21.8') 6, May Creek ..die' 211.3r `s :_ ' / tea LJ ---- r---------- -------- - ,se , e \ Interim sand and ` r gravel storage area \, Lake Burlington _ Wash ton Boulevard N. natnali RR Maintenance Dredging - 1998/1999 Figure 1 - Dredge Areas/1999 Barbee Mill Company, P.O. Box 359, Renton Washington 98057 L&AI - 9/21/99 File: E:\dredging\bark98.CAD 50% Bark Boundary— I • VB-5 ---7-4;-..----Aw-------, Lake Washington VB-2 . • ----- \ \ Alo, • , --- ---- , Bark Area C All, , ; • : .0, A e A :". r''' ' ' LL'...., ' 'ip ed., - ri 'N, 0e:ge Area ...IC! r'l 0 L(21.8') Bark Area A - Minimal Contamination 01 Arey, r----- Bark Area B - Minimal Contamination, but adacent to areas of potential contamination. `1"ctlf Bark Area C - Potential PAH contamination Maintenance Dredging - 1998/1999 Figure 2 - 1997 Sampling Locations Barbee Mill Company, P.O. Box 359, Renton,WA 98057 L&AI/RML,updated 9/21/99 cal.. CArlrgarininnTharitOR rAn LakeWashington ----.....---.........._._......__._..----............_ _ _-----.._........... Bark Area A _ • S D06 BA ED05 BA SED03 =-- BA .� BA-4 — — BA-12BA SEDO4 _ BA SED02 BA- ED01 Air ♦ • BA-3:: :............: . _.. ............... __._........._.....a. M Outfall . :: , _ _ `. o°.,� BA-2 ° = N. •utfall { BA 8 � BA 12 BA-I1 _ m I rij't , ,,. BA-5 empo ar y BA _ ,� s, Sawmill .940%e . ,_ or:ge Area ' S. Outfa ll ,,,Cr_3 0 L(21.8') , " Lumber Storage FP-1 May eef 0 A.,:q;:4 BA-1 through 12 Maintenance Dredging - 1999 Figure 3 - Bark/Debris Removal Area City of Renton,County of King, State of Washington Latitude: 47 31'40" Longitude 122 12' 12" Sampling Locations Barbee Mill Company, P.O. Box 359, Renton Washington 98057 L&AI/RML, updated 12/99 File: E:\dredging\bark98.CAD Lake Washington ..rr 0 2oa aao I r:1 i e: / BA=SED03 / IV 4v . Bark&WIod Deb 7 :.- ,.,,off. ,•• I vilo • 7 ." Dreciglreat BA SED02 lr 'r �rt� ' Ou�all (.I\9 utfall Tempo ry jAiti;op/, Sawmill Dred e Stor ge Area o L(21.8) fl :.::Lumber Storage IN r"---Mo Maintenance Dredging - 1998/1999 Figure 4 - Sediment Sampling Barbee Mill Company, P.O. Box 359, Renton Washington 98057 Dredge Areas B & C L&AI/RML,updated 9/21/99 File: E:\dredging\bark98.CAD .440 .�,... u... STA-6 0 200 aoa Bark/Wood Debris Removal Area approximately 250,000 sf) Lake Washington BA9 SfA-5 ♦ 3 ♦ ♦ � . BA10 Sawmill __ ,, --\ ,,, Bi1 BA? A-4 VA-8 Inner Harbor Line --.-B-A7'-♦ ' e� -ry Barbee Mill Company e r ,g: ..r•a- Area STA4; ♦ ��,'s ti ry STA-1 �a: OWHL(21.8') r -3 A-2 I ,.; ....... / May Creek UWuse . t ,‘ 211.32' -- �0 �• - s‘ ' LJ 30X Lake Washln ....ngtoR ton Boulevard N. Nofthem ' RMaintenance Dredging - 1998/1999 Figure 5 - Water Quality Sampling Barbee Mill Company, P.O. Box 359, Renton Washington 98057 L&AI/RML 6/98,updated 1/99 Sampling Points added 9/99 File: E:\dredging\bark98.CAD Table 1 - Sediment Sampling Locations/1997 MTCA VB-1 (depth) VB-2 (depth) VB-3 (depth VB-4 (depth) VB-5 Analytical Parameter Screening** 0-4" 12"-48" 0-4" I 12"-48" 0-4" I 12"-48" 0-4" 12"-48" 0-4" Detected Semivolatile Compounds (mg/Kg-dry) PCB's 1 ND ND ND ND ND ND ND ND ND phenanthrene NA ND 0.60 ND ND ND 0.20 ND ND ND fluoranthene 640 ND 0.29 ND ND ND 0.16 ND ND ND pyrene 480 ND 0.44 ND 0.23 ND 0.51 0.53 0.12 0.13 chrysene* 1 ND ND ND 0.16 ND ND 0.51 ND ND benzo[a]anthracene* 1 ND ND ND ND ND ND 0.28 ND ND benzo[b/k]fluoranthene* 1 ND ND ND 0.17 ND ND 1.11 ND 0.28 benzo[a]pyrene* 1 ND ND ND 0.23 ND ND 0.73 0.13 0.21 indeno[1,2,3-cd]pyrene* 1 ND ND ND 0.18 ND ND 0.50 ND 0.14 benzo [g,h,i]perylene NA ND ND ND 0.22 ND ND 0.69 0.11 0.19 Total PAHc 1 -- -- -- 0.74 -- -- 3.13 0.13 0.63 Total Organic Carbon (%) NA 7.4 3.4 5.0 3.7 24.0 5.0 5.1 1.3 2.7 RCRA Metals (mg/Kg-dry) Antimony NA ND ND ND ND ND ND ND ND ND Arsenic 20 ND ND ND ND ND ND ND ND ND Berylium 0.23 ND 0.3 ND ND ND ND ND 0.2 ND Cadmium 80 ND ND ND ND ND ND 2.7 ND ND Chromium (total) 100 34.0 40.0 36.0 41.0 10.0 29.0 43.0 30.4 24.3 Copper 3900 27.3 28.9 36.1 27.3 11.9 16.6 33.7 12.5 12.5 Lead 250 27.0 16.0 46.0 23.0 13.0 12.0 43.0 8.0 10.0 Mercury 1.0 ND ND ND ND ND ND ND ND ND Nickel (soluble) 1600 28.0 32.0 31.0 33.0 10.0 22.0 32.0 26.0 18.0 Selenium 400 ND ND ND ND ND ND ND ND ND Silver 400 ND 0.6 ND ND ND ND ND ND ND Thallium (soluble) 5.6 ND ND ND ND ND ND ND ND ND Zinc 2400 75.0 57.4 _ 142.0 70.2 55.0 52.0 1580 111.0 34.0 Notes: * denotes carcinogenic PAH compound ** Method B Risk data shown where Method A data is not available. CLARC II Update/Ecology ND =not detected Table 2-Sampling and Analysis Results Parameter(mg/Kg-dry) MTCA MC-1 BA-1 BA-2 , BA-3 BA-4 BA-5 BA-6 BA-7 BA-8 BA-9 BA-10 BA-11 BA-12 BA-13 FP-1 WTPH(silica cleanup mg/Kg-dry) ND ND ND Gasoline 100 -- -- -- -- -- -- - Diesel* 200 40* 874* 4 * 240* 7-20* 298* 249*/g4e* 4 * 4 * * 67* 440* VA* 24* Motor Oil*,Hydraulic Oil, 200 44* ? 440* 4000* * 4 �980* A* 250*/34-0* 870* 270* 280* 4g0* 459* 2000*** * or other petroleum product Volatile Organics(Method 8240) 0.029 ND ND Acetone - - Toluene -- "" -- -- -- -- -- -- -- - -- 0.0028 ND ND ND ND ND Other VOC's Semivolatiles(EPA Method 8270,mg/Kg-dry) 4-Methylphenol ND ND ND ND ND ND ND ND ND ND ND ND 0.097 J ND 0.7 Naphthalene ND ND ND ND ND ND ND ND ND ND ND ND 0.069 J ND ND Phenanthrene ND ND ND ND ND 0.57 ND ND ND ND 0.12 J ND 0.14 1.5 0.33 Anthracene ND ND ND ND ND ND ND ND ND 0.039 J ND ND Fluoranthene 3200 ND ND ND ND 0.29 M 1.3 ND ND ND ND 0.15 0.14 J 0.27 M 1.7 0.3 Pyrene 2400 ND ND ND ND ND 0.63 ND 0.15 0.38 M ND 0.13 0.13 J 0.088 J ND 0.4 Benzp(a)anthracene** ND ND ND ND ND 0.22 ND ND ND ND ND 0.08 J 0.08 MJ ND ND Chrysene** ND ND ND ND ND 0.27 ND ND ND ND ND 0.12 J 0.075 J ND ND Benzo(b/k)fluoranthene** ND ND ND ND ND 0.25 ND ND ND ND ND 0.22 J 0.83 M ND ND Benzo(a)pyrene** ND ND ND ND ND ND ND ND ND ND ND 0.12 J 0.11 J ND ND Benzo(g,h,I)perylene ND ND ND ND ND ND ND ND ND ND ND ND 0.076 J ND ND PAHc**Total 1 ND ND ND ND ND 0.74 ND ND ND ND ND 0.54 J 1.1 MJ ND ND bis(2-Ethylhexyl phthalate 71.4 ND ND ND ND ND ND ND ND 0.2 ND ND ND ND 1.6 ND Other SVOC's ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND PCB's(as 1254,mg/Kg-dry) 1 -- -- -- -- -- -- -- -- ND ND 0.044 J RCRA Metals(Total,mg/Kg-dry) Silver 400 ND ND ND ND ND ND ND ND ND ND ND ND ND 1.5 ND Arsenic 20 ND 4.4 ND ND ND ND ND ND ND ND ND ND ND 20 12 Barium 5600 48.7 44 80.1 30 44.7 56.7 56.9 64.9 63.5 35.2 54.1 54.4 45.8 124 55.6 Cadmium 2 ND ND ND ND ND ND 0.3 ND 0.5 ND ND ND ND 1.2 ND Chromium 100 28.2 18 43 15 21.3 27 29.5 35 21 17.6 26 25.2 25.8 67 35.4 Mercury 1 ND 0.1 ND ND ND ND ND ND ND ND ND ND ND ND ND Lead 250 9 15 26 15 8 15 11 17 21 5 10 13 9 47 13 Selenium 400 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND MTCA cleanup levels provided for reference FP=finished,milled product •=hydrocarbons detected,but did not match pattern for petroleum product(s) Method A or Method B levels provided from ND =not detected at method detection limit *'=carcinogenic PAH compound CLARC II Update M =Poor spectral match =mixture of hydraulic and motor oil MC =May Creek Delta sample J =estimated quantity -- =analyses not requested BA=Bark Area sample Table 3 - Water Quality Summary 02 Cond. Water Sampling Location _ Dredge Location (ppm) umhos/cm Temp. °C 8/16/99 Station 1 - Pedestrian Bridge May Creek Delta 12.8 160 16.3 Station 2 -Vehicle Bridge May Creek Delta 12.7 170 16.5 Station 3 - Boathouse Dock May Creek Delta 10.5 100 22.0 Station 4 - South Outfall May Creek Delta 10.0 90 22.3 Station 5 - Middle Outfall May Creek Delta 9.7 90 21.3 Station 6 - North Outfall May Creek Delta 9.6 90 21.2 Station 7 - Lower Point May Creek Delta 10.4 22 -- Station 8 - Northern Point May Creek Delta -- -- -- Station 9 - Mid-Channel Adjacent to clamshell 8.5 120 18.0 8/17/99 Station 1 - Pedestrian Bridge May Creek Delta 9.1 160 14.5 Station 2 -Vehicle Bridge May Creek Delta 10.8 170 14.4 Station 3 - Boathouse Dock May Creek Delta 11.1 80 19.1 Station 4 - South Outfall May Creek Delta 8.8 80 19.7 Station 5 - Middle Outfall May Creek Delta 9.2 80 19.6 Station 6 - North Outfall May Creek Delta 8.9 90 19.4 Station 7 - Lower Point May Creek Delta 10.4 90 19.4 Station 8 - Northern Point May Creek Delta 9.9 80 19.5 Station 9 - Mid-Channel May Creek Delta -- -- -- Station -Other Adjacent to clamshell 8.8 100 19.4 8/19/99 Station 1 - Pedestrian Bridge Bark Area 10.0 140 17.0 Station 2 -Vehicle Bridge Bark Area 9.9 150 17.1 Station 3 - Boathouse Dock Bark Area 9.8 90 22.2 Station 4 - South Outfall Bark Area -- -- -- Station 5 - Middle Outfall Bark Area -- -- -- Station 6 - North Outfall Bark Area -- -- -- Station 7 - Lower Point Bark Area 10.4 90 22.8 Station 8 - Northern Point Adjacent to clamshell 9.8 90 23.4 Station 9 - Mid-Channel Bark Area 9.5 90 22.9 8/23/99 Station 1 - Pedestrian Bridge May Creek Delta/BA6 10.1 150 13.7 Station 2 -Vehicle Bridge May Creek Delta/BA6 9.8 140 16.2 Station 3 - Boathouse Dock May Creek Delta/BA6 9.1 90 20.2 Station 4 - South Outfall May Creek Delta/BA6 11.6 90 20.8 Station 5 - Middle Outfall May Creek Delta/BA6 12.2 80 20.6 Station 6 - North Outfall May Creek Delta/BA6 -- -- -- Station 7 - Lower Point May Creek Delta/BA6 12.3 -- 20.8 Station 8 - Northern Point Adjacent to clamshell 11.8 90 20.4 Station 9 - Mid-Channel May Creek Delta/BA6 12.1 -- -- 0 I Table 3 - Continued 02 Cond. Water Sampling Location Dredge Location (ppm) _ umhos Temp. °C 8/30/99 Station 1 - Pedestrian Bridge Bark Area at BA2 10.7 140 18.6 Station 2 -Vehicle Bridge Bark Area at BA2 11.8 110 19.0 Station 3 - Boathouse Dock Bark Area at BA2 10.5 90 19.6 Station - Other/BA2 Bark Area at BA2 8.9 80 19.8 8/30/99 Station -Other/BA3 Bark Area at BA3 9.7 -- 18.8 9/1/99 Location at BA6, 1' deep Bark Area at BA7 10.9 90 19.2 Location at BA6, 3' deep Bark Area at BA7 11.2 90 19.3 Location at BA6, 6' deep Bark Area at BA7 12.0 90 19.3 Location at BA6, 9' deep Bark Area at BA7 11.9 90 19.3 Location at BA7, 1' deep Bark Area at BA7 11.2 90 19.3 Location at BA7, 3' deep Bark Area at BA7 10.8 90 19.3 Location at BA7, 6' deep Bark Area at BA7 10.4 90 19.2 Location at BA7, 9' deep Bark Area at BA7 9.8 90 19.2 9/1/99 Station - Inside Silt Fence Bark Area at BA9/10 9.7 80 19.2 Station - Outside Silt Fence Bark Area at BA9/10 11.8 80 19.4 9/9/99 Station 1 - Pedestrian Bridge Bark Area at BA10 11.2 150 12.8 Station 2 -Vehicle Bridge Bark Area at BA10 8.8 90 18.6 Station 8 - Northern Point Bark Area at BA10 8.2 90 18.9 Station - Other/South Outfall Bark Area at BA10 8.2 90 19.0 Station - Inside Silt Fence Bark Area at BA10 8.1 90 19.1 Station -Outside Silt Fence Bark Area at BA10 8.4 80 19.2 Table 4 - Bark & Wood Drebris: Area B/C Sampling Data MICA South Middle North Parameter Method A Outfall Outfall Outfall SED1 SED2 SED3 SED4 SED5 SED6 TPH/D 200 1000* 260* 210* 1100* 8* 110* 638* 170* 46* Semivolatiles Phenanthrene -- ND 0.25 0.47 0.31 0.29 ND ND ND ND Fluoranthene 640 ND 0.27 0.49 0.52 0.50 0.37 ND ND ND Pyrene 480 0.36 M 0.29 0.55 0.35 0.40 0.71 M 0.24 ND 0.46 M Benzo(a)anthracene** 1.0 ND ND 0.17 ND ND ND ND ND ND Chrysene** 1.0 ND ND 0.31 ND 0.55 0.43 0.25 ND ND Benzo(b)fluoranthene** 1.0 ND ND 0.2 ND 0.63 0.37 0.34 ND ND Benzo(k)fluoranthene** 1.0 ND ND 0.22 ND 0.59 0.52 0.22 0.19 ND Benzo(a)pyrene** 1.0 ND ND 0.21 ND 0.58 0.42 0.26 0.19 ND Indeno[1,2,3-cd]pyrene** 1.0 ND ND ND ND ND 0.37 0.20 ND ND Benzo[ghi]perylene -- ND ND 0.22 ND ND 0.41 0.25 0.20 ND PAHc Total 1.0 -- -- 1.11 -- 2.35 2.11 1.27 0.38 -- Metals Silver 400 ND 1.1 1.0 ND ND 2.0 1.0 1.2 1.1 Arsenic 20 ND ND 30 ND ND ND ND ND ND Barium 5600 29 70.5 48.1 82 86 89 86.3 87.3 89.1 Cadmium 80 ND ND ND ND ND ND ND ND ND Chromium 100 14 36 39 44 51 40 39 43 44 Mercury 1 ND ND ND ND ND ND ND 0.4 ND Lead 250 16 13 18 40 37 50 24 34 37 Selenium 400 ND ND ND ND ND ND ND ND ND ' hydrocarbons detected, but not of diesel origin ** denotes carcinogenic PAH compounds ND =not detected at method detection limit, matrix dependent -- =data not available Table 2- Sampling and Analysis Results Parameter(mg/Kg-dry) MTCA MC-1 BA-1 BA-2 BA-3 BA-4 BA-5 BA-6 BA-7 BA-8 BA-9 BA-10 BA-11 BA-12 BA-13 FP-1 WTPH(silica cleanup mg/Kg-dry) Gasoline 100 -- -- -- -- -- -- -- -- -- -- -- ND ND ND -- Diesel* 200 4A* 87-0* 250* 4200* 240* 72-0* 288* 246*/5-80* 4800* 47-0* 320* 67* 440* 960* 240* Motor Oil*, Hydraulic Oil, 200 44* ? 44-0* 4800* 240* 4000* 240* 240*/340* 970* 2-70* 240* 450* 450* 2000*** 298* or other petroleum product Volatile Organics(Method 8240) Acetone -- -- -- -- -- -- -- -- -- -- -- -- 0.029 ND ND Toluene -- -- -- -- -- -- -- -- -- -- -- -- 0.0028 ND ND Other VOC's ND ND ND Semivolatiles(EPA Method 8270,mg/Kg-dry) 4-Methylphenol ND ND ND ND ND ND ND ND ND ND ND ND 0.097 J ND 0.7 Naphthalene ND ND ND ND ND ND ND ND ND ND ND ND 0.069 J ND ND Phenanthrene ND ND ND ND ND 0.57 ND ND ND ND 0.12 J ND 0.14 1.5 0.33 Anthracene ND ND ND ND ND ND ND ND ND 0.039 J ND ND Fluoranthene 3200 ND ND ND ND 0.29 M 1.3 ND ND ND ND 0.15 0.14 J 0.27 M 1.7 0.3 Pyrene 2400 ND ND ND ND ND 0.63 ND 0.15 0.38 M ND 0.13 0.13 J 0.088 J ND 0.4 Benzp(a)anthracene** ND ND ND ND ND 0.22 ND ND ND ND ND 0.08 J 0.08 MJ ND ND Chrysene** ND ND ND ND ND 0.27 ND ND ND ND ND 0.12 J 0.075 J ND ND Benzo(b/k)fluoranthene** ND ND ND ND ND 0.25 ND ND ND ND ND 0.22 J 0.83 M ND ND Benzo(a)pyrene** ND ND ND ND ND ND ND ND ND ND ND 0.12 J 0.11 J ND ND Benzo(g,h,l)perylene ND ND ND ND ND ND ND ND ND ND ND ND 0.076 J ND ND PAHc**Total 1 ND ND ND ND ND 0.74 ND ND ND ND ND 0.54 J 1.1 MJ ND ND bis(2-Ethylhexyl phthalate 71.4 ND ND ND ND ND ND ND ND 0.2 ND ND ND ND 1.6 ND Other SVOC's ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND PCB's(as 1254,mg/Kg-dry) 1 -- -- -- -- -- -- -- -- -- -- - - ND ND 0.044 J RCRA Metals(Total,mg/Kg-dry) Silver 400 ND ND ND ND ND ND ND ND ND ND ND ND ND 1.5 ND Arsenic 20 ND 4.4 ND ND ND ND ND ND ND ND ND ND ND 20 12 Barium 5600 48.7 44 80.1 30 44.7 56.7 56.9 64.9 63.5 35.2 54.1 54.4 45.8 124 55.6 Cadmium 2 ND ND ND ND ND ND 0.3 ND 0.5 ND ND ND ND 1.2 ND Chromium 100 28.2 18 43 15 21.3 27 29.5 35 21 17.6 26 25.2 25.8 67 35.4 Mercury 1 ND 0.1 ND ND ND ND ND ND ND ND ND ND ND ND ND Lead 250 9 15 26 15 8 15 11 17 21 5 10 13 9 47 13 Selenium 400 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND MTCA cleanup levels provided for reference FP=finished,milled product =hydrocarbons detected,but did not match pattern for petroleum product(s) Method A or Method B levels provided from ND =not detected at method detection limit =carcinogenic PAH compound CLARC II Update M =Poor spectral match =potential mixture of hydraulic/motor oil MC =May Creek Delta sample J =estimated quantity -- =analyses not requested BA =Bark Area sample I BARBEE LUMBER MILL AQUATIC HABITAT AND FISH POPULATION SURVEY AUGUST 2000 I I I 40. 3 ti901. I I r Prepared by Harza Engineering Company ' October, 2000 I r NARZA. August 2000 Aquatic Hal and Fish Population Survey INTRODUCTION The Barbee Lumber Mill is located along the southeastern shore of Lake Washington in the City of Renton. The facility occupies approximately 8 hectares of land and 610 meters of shoreline near IMay Creek (WRIA Number 0282), a Class 1 tributary to Lake Washington (Foster Wheeler 1995). The owners of the Barbee Lumber Mill have previously conducted and are currently permitted to conduct maintenance/remediation dredging in two areas of Lake Washington; the Barbee Lumber Mill log storage area (photo 1) and the May Creek delta (photo 2) (Lloyd and Associates 1999). Barbee Lumber Company owns land on both sides of the May Creek delta and additional lake front property north of the creek. Recent dredging in the log storage areas is designed to improve lake bottom conditions after decades of log storage within the nearshore lake environment. To document conditions resulting from the preliminary dredging conducted in November, 1999, Harza Engineering Company conducted SCUBA-based aquatic habitat and fish population surveys of the mill's log storage area(the proposed action area) and the May Creek delta in late March, 2000 (Harza 2000). The objectives of these surveys were to document the types of habitat present, determine the species composition and average densities of aquatic macrophytes; and describe the species composition and estimated densities of any fish observed in the survey area. To supplement the information collected during the March 2000 survey, a second underwater survey was conducted in August 2000. In this report, we summarize the results of the August 2000 aquatic habitat and fish population survey and compare the findings with the March 2000 observation. We have also included a series of underwater photographs that document habitat conditions in and around the proposed action site and the May Creek delta. I I Barbee Mill Restoration Project Page 2 ' bate mein rcpon/10/19/00/4:24 PM I-IARZA August 2000 Aquatic Hal and Fish Population Survey II .. :-', '''.='' e t• Jfi !4 � :. .mot a` a t • y,, //�y'' r< ,'\."*;-1 t ,t'' tiffs' •� sr_ 1 ram• 1. a MIR t. II - s+ -ram- - - y _ _ i. �tt 3. -r y Lk, Al y 1 al, Y �- ilit e A' Photo 1. The Barbee Lumber Mill log storage area (Bark Area A and Bark Area B). I • 4 1..• SC ..4 .�• p•i L �. .yam,, - • ii '. erit^ Sr:. N HS• s , - :.' - k. i'�'•r pry= - Photo 2. The May Creek Delta Study Area. Barbee Mill Restoration Project Page 3 n.re«MI.repon/10/19/00/424 PM N,RZA August 2000 Aquatic Hat end Fish Population Survey August 2000 Aquatic Habitat and Fish Population Survey Study Area Four distinct areas of Lake Washington were surveyed in August of 2000; the May Creek delta, the area south of May Creek, Bark Area A, and Bark Area B (Figure 1, Photo 1). The May Creek delta and area south of May Creek includes two small coves divided by a short peninsula. A second, larger peninsula further separates this area from the main body of the lake. As part of Barbee Mill's November 1999 dredging project, approximately 30 feet of this larger peninsula was removed, and a rock/boulder retaining wall was constructed along the shoreline. Currently, the surface area of the May Creek delta is about 0.65 hectares. Bark Area A is located immediately north of the May Creek delta (Figure 1, photo 2) and has a total surface area of approximately 1.1 hectares. Historically, this area was used for log storage, resulting in extensive bark accumulations along the lake bottom. The dredging of this area in November 1999 was designed to remove these accumulations to restore the natural lake bottom. Bark Area B, another heavily impacted log storage site, is located immediately north of Bark Area A (Figure 1, photo 2). This approximately 0.7 hectare area is slated for dredging in fall/winter of 2000. Methods Two Harza fisheries biologists used SCUBA surveys to assess and describe the existing aquatic habitat and fish populations in each of the four study areas. Four underwater transects were placed in the May Creek delta. Three of these transects (2-4) span the width of the active delta(Figure 2). Transect 1 was a snorkel survey along the south shoreline up to the small footbridge at the mouth of May Creek. Transects 2 through 4 are parallel to each other, oriented from 330° to 150°. These transects correspond to the northern portion of Transects 4, 5, and 6 of the May Creek delta area that were surveyed in March 2000. Five survey transects were placed in the area south of May Creek. Transects 2 through 5 parallel each other, oriented from 10° to 190°. Transect 1 was a snorkel survey along the south shore, from the boat ramp out to a bulkhead adjacent to a private residence and boat dock. Five survey transects were placed in Bark Area A. Transects 2 through 5 were oriented from 310° to 130° and placed approximately 23 meters apart(Figure 1). A near-shore snorkel survey(Transect 1) was also conducted along the southern bulkhead and eastern seawall. Three transects were placed in Bark Area B, oriented from 340° to 160° and placed approximately 30 meters apart(Figure 1). Two divers swam each transect using SCUBA. During the pass, divers identified to species each fish observed, estimated the total number of fish observed, and recorded the distance from the start of the transect, using a 90.4 meter fiberglass tape measure. Where fish were observed, divers recorded the depth, dominant/subdominant substrate, and visibility; and fish densities were calculated by dividing the number of fish observed by the area covered in each transect. Plant densities were visually estimated as low, moderate, or high which correspond to densities of less than or equal to 10 stems per square meter, 11 to 100 stems per square meter, and greater than 100 stems per square meter, respectively. The area covered by each transect was determined by multiplying the length of the transect by twice the estimated distance at which fish were identifiable during each pass (visibility). Barbee Mill Restoration Project Page 4 barb:4 nrin repan/10/19/00/4:24 PM II_.LARZ.A August 2000 Aquatic Ha) and Fish Population Survey BARK AREA (DREDGE WORK G) TRANSECT 1 THROUGH PENDIN 3 I I I I COMPANY SAWMILL AND DOCK STRUCTURE I I I I 4 SOUTH OUTFALL 2 I 3 SNORKEL TRANSECT /1 4 (SHADED) I TRANKSECTAIATHROUGH 5) \ CIcv ILAKE WASHINGTON A I : SNORKEL , TRANSECT #1 (SHADED) I DOCK AND BOAT HOUSE 2 MAY CREEK DELTA1, 3 TRANSECT 1 THROUGH 4 4 5 ��O SNORKEL SOUTH OF MAY CREEK TRANSECT 11 TRANSECT 1 THROUGH 5 — (SHADED) DOCK & BOAT. Figure 1. The study area, including the May Creek delta (Transects 1 through 4), south of May Creek (Transects 1 through 5), Bark Area A (Transects 1 through 5) and Bark Area B (Transects 1 through 3). Barbee Mill Restoration Project Page 5 barbee main repoNIOfl9/OO/4:24 PM I—.IARZA August 2000 Aquatic Hal znd Fish Population Survey Plant samples within a half-meter square quadrat were counted at intervals (approximately 10-15 meters) along the transect line as determined by a set number of fin kicks (20 kicks). Within Bark Area A, characteristics of the dredged versus non-dredged areas and a rough estimate of material removed (percent of total surface area) were noted. Plant densities in each plot were estimated, counted and identified using techniques similar to previous surveys (Harza 1993, Harza 2000). Plant density estimates made during the plant surveys were correlated with measured plant counts. This correlation was then used to estimate densities in the areas where fish were observed. Results and Discussion Aquatic habitat and fish population surveys were conducted on August 23 and August 24, 2000. Transects in Bark Area"A" and "B"were surveyed on August 23rd. The May Creek delta and the area south of May Creek were surveyed on August 24t. On both survey dates, the underwater visibility ranged 2 to 3 meters (horizontal distance) and the water temperature was 20-22°C. Depths in the May Creek delta survey area ranged from 0.1 to 6.0 meters. Water depths in Bark Area A and Bark Area B ranged from 0.5 to 6.5 meters. The following section provides a summary of the fish populations, aquatic macrophytes and substrate conditions encountered within each survey area. More detailed, transect-specific information is presented in Tables 1 through 4 of Appendix A. Fish Populations Salmonid species known to occur in May Creek and Lake Washington near the Barbee Lumber Mill include sockeye salmon (Oncorhynchus nerka), coho salmon (O. kisutch), chinook salmon (O. tshawytscha), steelhead (O. mykiss) and cutthroat trout (O. clarki). Chinook, sockeye, steelhead and cutthroat trout are maintained by natural production. Coho and rainbow trout are sustained in Lake Washington by annual stocking (Foster Wheeler 1995). Non-salmonid species known or suspected to occur within and near the study area include largemouth bass (Micropterus salmoides), smallmouth bass (M. dolomieui), black crappie(Pomoxis nigromaculatus), pumpkinseed sunfish (Lepomis gibbosus), yellow perch (Perca flavescens), northern pikeminnow (Ptychocheilus oregonensis), three-spine stickleback (Gasterosteus aculeatus), speckled dace (Rhinichthys osculus), brown bullhead (Ictalurus nebulosus), peamouth (Mylocheilus caurinus) and prickly sculpin(Cottus asper) (Harza 1993). Fish species observed during this survey were three-spine stickleback, northern pikeminnow, largemouth bass, smallmouth bass, yellow perch, and speckled dace. Other sightings of fish occurred during a pre-dive shoreline reconnaissance of the study area, including a school of sticklebacks along the seawall adjacent to Bark Area B, and small groups of speckled dace near the boathouse and dock south of May Creek. No salmonids were observed during the transect surveys or shoreline reconnaissance. Fish species most abundant in this area were juvenile yellow perch, followed closely by juvenile smallmouth and largemouth bass. These species were observed in shallower water(less than 3 meters depth) associated with moderate to high densities of aquatic vegetation. Barbee Mill Restoration Project Page 6 barb«mein report/10/19/00/4 24 PM l—IARZA August 2000 Aquatic Hat ind Fish Population Survey South of May Creek In the area south of May Creek, a large school of yellow perch (-500 juveniles) were seen midway along Transect 1 (snorkel survey along the south shoreline). An additional seven individual perch juveniles and one smallmouth bass juvenile were seen along the transect. Vegetation was moderate to high density. Juvenile fish associated with edge habitat within the plant community. Water depth was shallow, between one and three meters. A small school of yellow perch juveniles (-10 fish) was observed along Transect 2. Vegetation abundance was moderate to high and water depths ranged from 1.5 to 3.3 meters. A group of juvenile yellow perch (-8 to 10 fish) was observed midway along Transect 3 in a depth of four meters. Three adult smallmouth bass were observed at the southern end of the transect in depths of 4.6 to 4.9 meters. Vegetation density was low to moderate; higher densities were associated with shallower depths on the northern end. At depths greater than 4.6 meters, plant densities dropped to less than 10 stems per square meter. Along Transect 4, groups of between 4-20 juvenile yellow perch were observed at Stations 4, 5, and 7. An adult smallmouth bass was observed on the southern end of the transect. This transect starts on the southern end of the area in a water depth of 5.2 meters with no vegetation. Depths decrease (2.1 meters) toward the northern end with a corresponding increase of aquatic vegetation and fish use. Similarly, Transect 5 begins in a depth of 2.1 meters with moderate to high plant abundance. Depth quickly drops to 4.3 meters with a corresponding drop in plant abundance. Three adult smallmouth bass were seen between Stations 2 and 3, another at Station 6. All adult fish were seen swimming in open water. May Creek delta Two juvenile largemouth bass, one smallmouth bass, and a school of yellow perch (-40 juveniles) were observed during the snorkel survey (Transect 1) along the southern shore of the May Creek delta. Moderate to high density vegetation in this area was dominated by elodea. One juvenile largemouth bass was seen along Transect 2. Vegetation abundance was low to moderate in water depths of 2 to 3 meters. No fish were observed along Transect 3. Depths ranged from 1.5 to 1.8 meters, with high density vegetation throughout. A school of yellow perch (-40 juveniles) was observed at the north end of Transect 4 in water depths of 2.1 meters associated with high density vegetation. Bark Area A Several schools of between 30 and 100 smallmouth bass juveniles were observed along Transect 1, from the midpoint southward to the bulkhead. This area appeared relatively clear of bark debris and supported moderate to high densities of aquatic vegetation. Similarly, a school of approximately 60 juvenile yellow perch was observed in association with aquatic plants in the southern portion of Transect 2. A prickly sculpin was seen at the northern end of Transect 2. Midway along Transect 3, a school of 150 juvenile yellow perch and five juvenile largemouth bass were observed associated with a large patch of elodea (Elodea canadensis). A crayfish (approximately 15 cm long) was seen along this transect as well. Along Transect 4, four adult smallmouth bass were observed within the southern one-third of the transect. Vegetation abundance was low, but contained the highest number Barbee Mill Restoration Project Page 7 barbee min report/10/19/00/4 24 PM 1—IARZA August 2000 Aquatic Hab znd Fish Population Survey of dredge "pits". Similarly, four adult smalimouth bass were seen among the pilings and plastic Isheeting at the southern end of Transect 5. Two solitary juvenile bass were observed midway along the transect. Bark Area B An adult smalimouth bass was seen within the northern third of Transect 3. Depths along this transect were between 5.8 and 6.1 meters and there was no vegetation. Transect 2 contained one juvenile largemouth bass between Stations 3 and 4 (approximate midpoint of the transect). Depths were between 2.4 and 2.7 meters with moderate to high abundance of vegetation. Transect 1 extends from the boat dock on the north, and southward along the bulkheaded shoreline to the line of pilings perpendicular to the shore. The highest densities of fish were observed in and around the boat dock, with several schools of yellow perch (numbering in the hundreds) associated with the moderately to Ihighly abundant elodea and potamogeton. The southern portion of this transect is more affected by wood debris and bark, with correspondingly low plant densities and fish counts. { Aquatic Macrophytes Six species of aquatic macrophytes were observed during the August 2000 aquatic habitat surveys; Ielodea, Eurasian milfoil (Myriophyllum spicatum), white-stemmed pondweed (Potamogeton prelongus), curly-leaf pondweed (P. crispis), American wild celery (Vallisneria americana), and common water nymph (Najas guadalupensis). Elodea is a native species known to occur throughout Lake Washington. It is nodally rooting and forms large mats in shallow, near-shore areas. Eurasian milfoil is a non-native species that first appeared in Lake Washington in the mid-1970's. This species spreads rapidly, and now dominates the aquatic macrophyte community in the near-shore areas of Lake Washington (Harza 1993). The distribution of milfoil in the May Creek delta was sparsely interspersed with elodea, with the Ihighest concentrations located in the northwest portion of the survey area. Overall, elodea was the dominant aquatic plant species both in distribution and abundance throughout the May Creek delta I area and southward. Highest abundance (greater than 200 stems per square meter)was observed in depths of two to three meters, especially in areas with sandier substrates. In deeper water(greater than three meters), elodea was patchier and less abundant. Potamogeton densities were relatively low. When encountered, potamogeton were usually solitary plants interspersed with elodea. White- stemmed potamogeton was found along the shoreline areas in depths less than two meters, with the highest concentrations occurring in the southeastern portion of the May Creek delta and along the retaining wall. Curly-leaf pondweed was found in low densities throughout the study area. Low numbers of American wild celery and common water nymph were found in shallower water along the retaining wall in the area south of the May Creek delta. ' The near shore areas of Bark Area A and Bark Area B also contained low to moderate densities of elodea and milfoil (Appendix A). The distribution of these macrophytes was limited to those areas ' least impacted by bark and wood debris accumulations (Transects 1 and 2). Very few or no rooted aquatic macrophytes were observed along the heavily affected deep water transects (Appendix A). Low numbers (less than 10 plants per square meter) of elodea were observed in the bottom of several ' dredging pits in Bark Area A. The densities of macrophytes in all but the deepest survey areas increased substantially in comparison to March 2000 observations (Harza 2000). 1 Barbee Mill Restoration Project Page 8 ' barbee min report/10/19I0Olo:24 PM NARK August 2000 Aquatic Hal and Fish Population Survey Substrate Conditions The substrate in the May Creek delta and area south of May Creek is comprised of a mixture of silt and fine sand. The deeper water transects (Transects 4 and 5) also contain areas of very fine silt (mud) along the southwest end (Appendix A, Tables 1 and 2). The substrate in Bark Area A was dominated by a mixture of silt and mud, interspersed with areas of tree bark and wood fragments. A limited amount of sand was also observed in the southeast third of Transect 1. Wood deposits appeared to be the heaviest in the northwest third of Transects 2 and 3 and evidence of dredging was not apparent. Transects 3 and 4 were dominated by silt/bark substrates. This area exhibited signs of extensive dredging, resulting in 1-2 meter deep by 2-3 meter wide pits in the bottom sediments. Thirty-one such pits were observed along Transect 4 and approximately 15 pits were observed along Transect 3. Transect 5 had four such pits. Wave action is expected to redistribute material along the bottom in subsequent years, but at present these pits are quite steep sided (>45° slope) (Appendix A, Table 3). The substrate in Bark Area B was dominated throughout by a mixture of silt/bark sediments. Bark accumulations were generally greater in the southern end of the surveyed area, but not appreciably. Transects 2 and 3 had similar silt and bark accumulations. Freshwater mussels were observed along Transect 3. Water depth ranged between 5.8 and 6.1 meters. Depths ranged from 2.4 to 3.0 meters along Transect 2, and 1.8 to 2.7 meters along Transect 1 (Appendix A, Table 4). REFERENCES Foster Wheeler. 1995. May Creek Current and Future Conditions Report. Prepared for King County and City of Renton. Foster Wheeler Consulting, Bellevue, WA. Harza. 1993. Fish and aquatic plant habitat utilization assessment for the May Creek delta, Lake Washington, on September 27, 1993. Report to Lloyd and Associates and Barbee Mill. Harza Engineering Co., Bellevue, WA. Harza. 2000. Barbee Lumber Mill; March 2000 Aquatic habitat and fish population survey and ESA fish species assessment. Report to Lloyd and Associates and Barbee Mill. Harza Engineering Co., Bellevue, WA. Lloyd and Associates. 1999. Remediation of Lake Washington sediments impacted by bark and wood debris—Biological evaluation and analysis. Draft Report provided by Michael Lloyd. March, 2000. Barbee Mill Restoration Project Page 9 barb«mein neon/10/19/00M 24 PM I1--IARZ.A August 2000 Aquatic Hal and Fish Population Survey IAPPENDIX A I I Table 1. Summary of dive survey results within the May Creek Delta area. Site: May Creek delta Transct Dist. Depth Vegetation # Stat.# Bearing (m) (m) Substrate Density Vegetation Types Comments 1 1 150 5 1.3 sand low elodea 1 2 150 10 1.5 sand moderate elodea,pot.,curly 21mb, 1 smb,-50 yellow perch(juvenile) 2 1 330 15 1.8 sand _moderate elodea 2 2 330 27 3.0 silt/sand moderate elodea 2 3 330 51 3.0 silt/sand low elodea I 3 1 150 14 1.8 mud high elodea,pot.,curly 3 2 150 26 1.5 mud high elodea,pot.,curly 3 3 150 40 1.8 mud high elodea,pot.,curly I 3 4 150 52 1.5 mud high elodea,pot.,curly 3 5 150 67 1.8 mud mod./high elodea 4 1 330 13 2.1 mud/silt moderate elodea,pot.,curly I 4 4 2 330 26 _ 1.8 mud/sand moderate curly,elodea 3 330 36 2.4 mud high elodea 4 4 330 50 2.7 mud high elodea,pot.,curly 4 5 330 61 _ 2.1 mud high elodea --40 juv.perch just above vegetation I I Barbee Mill Restoration Project Page 10 Ibarb's rtrin repcxVI 0/19/00/4 24 PM . I-IARZA August 2000 Aquatic I-lab nd Fish Population Survey • 1 Table 2. Summary of dive survey results within the area south of May Creek. Site: South of May Creek Dist. Depth Vegetation Trans# Stat.# Bear (m) (m) Substrate Density Vegetation Types Comments 1 , 1 1 -240 ` 10 3.2 sand high elodea/mf 2perch juv. 1 2 -240 24 1.5 sand/gravel moderate elodea/pot. no fish I 1 3 -240 38 1.4 sand high elodea/pot. 3 juv.perch, 1 smb juv. 1 4 -240 _50 1.5 sand low/mod pot/elodea -500 perch juv. 1 5 -240 71 1.6 sand mod/high curly/pot l perch juv. 1 6 -240 85 1.4 sand mod/high elodea no fish 1 7 -240 95 1.7 sand/gravel mod/high leafy/pot/elodea/mf 1 perch juv. , 2 1 20 11 2.7 mud moderate elodea/curly/white I stenu,ed 2 2 20 26 2.4 mud moderate elodea/curly/ 2 3 20 41 2.1 mud high Iwhitestemnd!celery elodea/mf/pot M 2 4 20 51 1.5 _sand/rock moderate elodea/pot/mf 10 juv.perch 2 5 20 71 3.3 muc moderate elodea/curly I elodea/curly/ 2 6 20 84 2.7 _sand mod/high whitestemmed 3 1 190 11 2.1 sand/gravel _moderate mf/pot/elodea I 3 2 190 25 2.7 mud moderate elodea 3 3 190 39 3.6 mud low/mod mf/curly/ elodea 3 4 190 50 3.9 mud low/mod you elodea -10 juv.Y.Perch I 3 5 190 60 4.3 mud low mf/pot/elodea 3 6 190 72 4.6 mud low mf/pot/elodea 3 7 190 83 4.6 mud low elodea 1 adult SMB-open water 3 8 190 94 4.9 mud low elodea 2 adult SMB-open water I4 1 10 13 5.2 mud none FW clams 4 2 10 _29 4.9 mud low elodea 4 3 10 40 4.6 mud low/mod elodea/pot l adult SMB-open water I 4 4 10 52 4.0 mud low/mod elodea!pot]mf 4 juv.Y.Perch 4 5 10 61 3.3 mud mod elod/curly/mf 4 juv.Y.Perch 4 6 10 73 2.1 mud/sand mod/high elodea/curly/white I stem/mf 4 7 10 86 2.1 mud/sand high elodea/curly/white 15-20 juv.Y.Perch(amongst veg.) stem/mf I 5 5 1 190 10 2.1 sand/mud mod/high elodea 2 190 28 4.3 mud low elodea/mf 1 adult SMB-open water 5 3 190 40 5.5 mud low elodea 2 adult SMB-open water 5 4 190 51 5.8 mud low elodea FW clams abundant ' 5 5 _190 63 6.1 mud _low elodea FW clams abundant 5 6 190 75 6.4 mud low elodea 1 adult SMB-open water 5 7 190 86 6.4 mud low elodea *4-5 adult SMB followed us thruout surve I I Barbee Mill Restoration Project Page 11 Ibubo mein report/1O/19/00M 24 PM IL-IARZA August 2000 Aquatic Habi nd Fish Population Survey Table 3. Summary of dive survey results within the Barbee Mill Log Storage Area"A"(dredged area). Site: Bark Area A Transct Dist. Depth Vegetation # Stat.# Bearing (m) (m) Substrate Dimity Vegetation Types Comments I1 1 340 8 1.5 silt/sand high elodea/mf -30 smb juveniles-s.e.corner of tract 1 2 340 35 1.5 silt/sand moderate elodea/mf 1 squawfish juvenile I 1 3 340 55 2.1 silt high pot/mf/elodea -60 100 smb juveniles 1 4 340 76 2.2 silt low to none pot/mf/elodea -40 smb juveniles-adj.Fuel dock 1 5 210 25 2.5 silt low elodea/pot/mf �1 adult lmb 1 1 6 210 50 1.5 sand/gravel modelodea/pot/mf -120 yellow perch adj.rock jetty 2 1 130 16 2.7 silt/bark deb low elodea 2 2 130 36 3.3 silt/debris low elodea sculpin seen 2 3 130 53 3.3 silt/debris low elodea I2 4 130 67 3.0 silt high elodea/milfoil 2 5 130 �83 3.0 silt high elodea 2 6 130 104 3.0 silt high elodea,pot,mf I 2 7 130 116 3.0 silt/sand moderate elodea 60 juv.yellow perch 3 1 310 18 4.3 silt low elodea 1 excavated pit 3 2 310 36 4.3 silt/bark low elodea/milfoil 2 excavated pits I 3 3 310 49 _ cm lots of bark d nud/patchy elodea/milfoil 2 excavated pits;adultcrawfish- 12 c 3 4 310 68 3.3 debristsilt low elodea 3 excavated pits;school of juv.yellow perch-150,and-5 juv.LMB I 3 5 310 88 4.3 debris/silt low elodea 2 excavated pits 3 6 310 104 4.3 debris/silt none 3 excavatedpits 3 7 310 122 4.3 debris/silt low scattered elodea 2 excavated pits I 4 1 130 16 4.3 silt/bark none 3 excavatedpits 4 2 130 31 5.2 silt/bark low elodea 2 excavated pits 4 3 130 45 4.9 silt/bark low elodea/milfoil 6 excavated pits 4 4 130 65 4.9 silt/bark low elodea 5 excavated pits;2 adult SMB I4 5 130 81 4.6 silt/bark _low elodea 4 excavated pits;2 adult SMB 4 6 130 91 5.2 silt/bark none 4 excavated pits 4 7 130 107 4.3 silt/bark low elodea/milfoil 6 excavated pits I 4 8 130 122 3.0 sand/silt high elodea 1 excavated pit 5 1 310 13 4.2 silt/bark low elodea 4 adult SMB bet. 1 &2,associated with pilings and hanging silt curtain I 5 2 310 30 5.2 silt/bark low elodea l juv. SMB bet 2&3 5 3 310 53 5.2 silt/bark low elodea 5 4 310 63 5.2 silt/bark low elodea 1 juv. SMB at station 4 I 5 5 310 80 5.5 silt/bark low elodea/milfoil 1 excavated pit 5 6 310 91 5.2 silt/bark none I excavated pit 5 7 310 110 5.5 silt/bark none 2 excavated pits 1 I I I Barbee Mill Restoration Project Page 12 I berbee mein reporUl0/19/00/424 PM II—IARZA August 2000Aquatic Hat Ind Fish Population Survey ITable 4. Summary of dive survey results within the Barbee Mill Log Storage Area"B". Site: Bark Area B I #ansct Stat.# Bearing m) Depth Substrate VegetatDensity Vegetation Vegetation Types Comments 1 1 160 19 2.7 Silt/Mud moderate elodea/pot. I 1 1 2 160 35 2.1 Silt/Bark moderate pot/elodea 3 160 55 2.1 Mud/Bark moderate elodea/pot/mf juv.Y.Perch—300+ 1 4 160 78 2.1 Bark/Silt moderate elodea/mf juv.Pumpkinseed II 5 160 95 1.8 Bark/Silt moderate elodea/mf 3 juv.SMB 1 6 160 116 1.8 Bark/Silt low elodea 1 7 160 125 1.8 Bark/Silt low elodea 2 1 340 17 3.0 Silt/Bark none I 2 2 340 38 3.0 Silt/Bark low elodea 2 3 340 52 2.7 Silt/Bark moderate elodea/milfoil juv.LMB 2 4 340 73 2.4 Silt/Bark moderate elodea/nlfoil I 2 5 340 88 2.7 Silt/Bark moderate elodea/milfoil 2 6 340 106 2.7 Silt/Bark moderate elodea/mf/pot. 2 7 340 115 2.7 Silt/Bark moderate elodea/mf/pot. I 2 8 340 128 2.1 Silt/Bark high polo./nilfoil Y.Perch,SMB associated with dock 3 1 160 16 5.8 Silt/Bark none FW Clam 3 2 160 36 5.8 Silt/Bark none Adult LMB—40 cm length I 3 3 3 160 53 6.1 Silt/Bark none 4 160 70 5.8 Silt/Bark none 3 5 160 86 6.1 Silt/Bark none 3 6 160 104 6.1 Silt/Bark none I 3 7 160 116 6.1 Silt/Bark none 3 8 160 128 5.8 Silt/Bark none I I I I 1 I I I Barbee Mill Restoration Project Page 13 Ibubee mein repoN10/19/00/4 24 PM APPENDIX B PHOT O LOG OF UNDERWATER PICTURES I I I I I I I I 1 1 I I I 1 uARZ,4 August 2000 Aquatic Habi id Fish Population Survey - - • 1 shy I View of dredged hole along .F • ..�� • transect 4 of Bark Area"A". ` F I I )a 34. t jlfp FirI .-''''''',,.-';`f* ,_.. • { Dredged hole along transect 4 ` k } �; of Bark Area"A". Note low .r .. „ I density of elodea along left side f 4' of photo. c. ;z 4- f': , Y. 4 I I Patchy distribution of - • 3, ` vegetation in Bark Area"A". . :� ", Milfoil plant shown here. • • Barbee Mill Restoration Project bare.=main report/I0/19/00/4 24 PM • I—IARZA August 2000Aquatic Hab tnd Fish Population Survey K[ 1Yy • I Undisturbed area of Bark Area "A". Substrate is silt/mud with wood debris. intermixed. • • I I �• • k F Undisturbed bottom in Bark Area"A". • r9, Edge of dredge"pit"in Bark ' Area"A". Note steep sides of pit and wood debris • • • G ' Barbee Mill Restoration Project bare«nun report/10/19/00/4 24 PM I—IARZA August 2000 Aquatic Habit ,d Fish Population Survey I • , { ¥ '' Moderate density of aquatic ; A ,t I vegetation in the May Creek # �, :/ delta area. V,., ^,' k t ,.r :!;t.'., 1. ^..::;". .•,' ; ."4sA:ik,I o�.•,�.+ *` t,�y�.y"$°� � �y/� `'(y/�e� �, 'gyp. / 5 ,,• - , .- ..:.piti,,,it,,--.:--, -,44 ,, ,-w ° 6tp Ir C , ' , k- I4, R #i } z; 'r • ?, ,. • Moderate density of . �,r;t. a1� potomogeton in the area south :' r11` of May Creek. I t \; I 1 1 —r. \ ` • j Y _ �.4 tr.�M. 1. Moderate/high densities of elodea with minor milfoil J invasions. Photo taken in May ,_f Creek delta area. . Barbee Mill Restoration Project baba min repW 1O/19/OO/424 PM I --I A A RZ August 2000 Aquatic Habi nd Fish Population Surve)' 4. ",,.+ n..xsr a. I Moderate levels of elodea in the I May Creek delta area. Juvenile largemouth bass associated with vegetation. I . . tw It . k' • .F • . r: v; ,.., 4?" ) High density of elodea/milfoil ,/ "'t. 1.1 ,'' I •� along a transect in the May +} •"' Creek delta area. " 0 Smallmouth bass juveniles associated with vegetation "break"or corridor in the May ' i Creek delta area. °� Barbee Mill Restoration Project barbce main repon/10/19/00/4.20 PM .• • • / • ANCHOR 444 West Ocean Blvd., Suite 800 Long Beach, CA 90802 —7 ENVIRONMENTAL, L.L.C. Phone562.624.2810 Fax 562.624.2811 Mr. Peter Adolphson April 17, 2002 Washington Department of Ecology, Toxics Cleanup Program 300 Desmond Drive Lacey, WA 98503 Mr. Brian Sato Washington Department of Ecology, Toxics Cleanup Program 3190 160th Ave SE �EyF�jypME Bellevue, WA 98008 CI OF FIv ; /lNG Re: Proposed Work Plan for Barbee Mill Sediment Cleanup MAY RECEIVED Peter and Brian: Following up on our discussions,we have prepared for your review a draft work plan for sediment cleanup offshore of the Barbee Mill facility located on Lake Washington. The work would be conducted under the Voluntary Cleanup Program (VCP), and in accordance with applicable local, state, and federal permits, including Barbee Mill's existing U.S. Army Corps of Engineers (Corps)maintenance dredging permit, which is effective through this coming fall. The objective of these actions is to perform sufficient cleanup to obtain a No Further Action determination letter from Ecology for sediments offshore of the Barbee facility. This letter begins with a brief review of the available sediment characterization data collected previously from both the Barbee Mill and Quendall Terminals sites,including detailed confirmatory bioassay testing data collected by Exponent in the general site area. Next, sediment cleanup levels are developed for the Barbee Mill facility, conforming to requirements > of the State Sediment Management Standards (SMS; Chapter 173-204 WAC). In order to / f develop a site-specific remedial action level for wood waste in sediment, we performed an analysis of existing confirmatory bioassay data available for the general site area using apparent effects threshold (AET)methodologies, consistent with existing Ecology guidelines. Based on this analysis, we present our proposed sediment cleanup plan for the Barbee Mill facility. We request that Ecology provide a written response to this proposed work plan, confirming that Ecology will require this work in order to provide a No Further Action determination, and confirming that our proposed scope of work is appropriate and acceptable. Sediment Characterization Data As part of due diligence activities conducted on behalf of JAG Corporation and Port Quendall Company, and in response to Ecology's stated concerns regarding potential wood waste • Barbee Mill Sediment Cleanup Plan April 17,2002 Page 2 impacts at the Barbee Mill and Quendall Terminals properties, in 1996 and 1997 ReTec performed the following: • Side-scan sonar and diver surveys to describe the distribution of wood waste debris; • Sediment profile imaging (SPI) to delineate wood waste accumulations and redox characteristics; • Surface sediment and core sampling to characterize sediment chemical concentrations; and • Preparation of site characterization reports (ReTec 1997). ReTec's sediment sampling locations at the Barbee Mill facility are depicted on Figure 1 (additional data were collected at the Quendall Terminals property). In 1999, under a Corps maintenance dredging permit, Barbee removed approximately 6,000 cubic yards (cy) of bark and wood debris and associated sediment (greater than 50 percent wood waste by volume) from log storage areas located immediately adjacent to their facility (denoted "Area A" in Figure 1). Manson Construction performed the dredging using a relatively small (1-cy) barge-mounted clamshell bucket, and transported the materials to adjacent uplands for passive dewatering. The materials are being managed in accordance with local, state and federal laws. Water quality monitoring conducted during the dredging operations did not reveal any exceedance of water quality standards (Lloyd 1999). Subsequent to dredging of Area A, Barbee contracted with Hart Crowser and Lloyd & Associates to perform additional sediment surveys adjacent to the facility. These sampling data, with locations depicted on Figure 1, revealed that additional wood waste materials (greater than 50 percent by volume) were present in areas immediately west of the Barbee sawmill (denoted Areas B and C in Figure 1;Lloyd 1999). A post-construction habitat survey of the region performed by Harza Northwest divers documented habitat improvements resulting from the action, but also identified localized residual accumulations of wood waste within Area A that could potentially require further cleanup actions. The sediment sampling data available for the Barbee Mill facility are summarized in Table 1. In aggregate, these data are sufficient to characterize physical and chemical conditions of sediments at the facility. In 2000, Exponent conducted a further assessment of the deleterious properties of wood waste in the general site area by performing laboratory bioassay tests on those "gray zone" sediments at the Quendall Terminals property containing between roughly 20 and 50 percent wood waste by volume (and with no identified exceedances of other chemical criteria). The bioassay testing methods and interpretive guidelines were developed with Ecology and other stakeholders, and followed procedures previously established under the SMS for marine sediments (Exponent 2001). Sediment samples were collected from nine locations at the Quendall Terminals • Barbee Mill Sediment Cleanup Plan April 17,2002 Page 3 property, as well as from matched reference sites, and submitted for 10-day Hyalella survival and growth tests, 10-day and 21-day Chironomus survival and growth tests, and a MicrotoxTM 100%sediment porewater test. Using weighting factors appropriate to each test, an overall bioassay exceedance product was calculated. Three of the 9 sediment samples (representing a • contiguous sediment area immediately adjacent to the higher concentration [greater than 50 percent by volume] wood waste deposit at Quendall Terminals)exhibited sufficient toxicity in the 21-day Chironomus survival test to exceed Cleanup Screening Level(CSL) guidelines, corresponding to a bioassay exceedance product of 3.4 or higher(Table 2). Significant sediment toxicity was not observed in any of the other bioassays. While sediment toxicity(to • Chironomus) was detected in certain areas of the site, the data suggested that a large portion of the Quendall Terminals gray zone does not require remediation. Wood wastes(predominantly relatively small sized bark components)present in the Quendall Terminals sediment bioassay samples exhibited similar grain size and visual characteristics as wood wastes present at the Barbee Mill facility. At both properties, the likely origin of wood wastes is from log rafting activities that occurred historically throughout the area. Because of the similarity of these wood waste materials,bioassay data obtained at the Quendall Terminals property may also be used to evaluate cleanup requirements at the Barbee Mill facility, as described below. Site-Specific Sediment Cleanup Levels In 1997, Ecology developed chemical criteria, denoted Freshwater Sediment Quality Values (FSQV) that predict possible biological effects in freshwater sediments(Cubbage et al. 1997). In developing these chemical-based criteria, data from several bioassays(including Hyalella, Chironomus,and MicrotoxTM tests, among others), and corresponding chemical analyses were merged from 33 studies and 245 stations in Washington and Oregon into a single database. Based on statistical analyses of these data, Ecology developed FSQVs based on a combination of marine SMS values(metals),and probable apparent effects thresholds(AETs) for MicrotoxTM (organics),which together are used as thresholds to detect potential adverse biological effects to freshwater biota. FSQVs for chemicals detected at the Barbee Mill site are listed in Table 1. Only two chemicals— total organic carbon(TOC) and zinc have exceeded the FSQV. TOC concentrations up to 24 percent were detected in the surface sediment sample collected from Station VB-3,exceeding the FSQV of 14 percent. Similarly,zinc concentrations of 1,580 milligrams per kilogram (mg/kg) were detected in a single sample collected from Station VB-4,exceeding the FSQV of 410 mg/kg. However,all sediment samples collected from the Barbee Mill property were well below screening levels for polynuclear aromatic hydrocarbons,including those derived from Ecology's AET analysis of sediment bioassays conducted at the nearby J.H.Baxter and Quendall Terminals properties. Based on these data, with the exception of TOC and zinc,chemical concentrations in Barbee Mill sediments are largely below levels of potential concern. Barbee Mill Sediment Cleanup Plan April 17,2002 Page 4 As discussed above, Exponent conducted an assessment of the deleterious properties of wood waste in the general site area by performing laboratory bioassay tests on those gray zone sediments at the Quendall Terminals property containing between roughly 20 and 50 percent wood waste by volume (Table 2). The Exponent bioassay data confirm that wood wastes present within gray zone sediments at the Quendall Terminals property are deleterious to aquatic life, consistent with observations at other similar regional wood waste sites (Kendall and Michelsen 1997). In sediments containing significant wood waste accumulations, compounds such as sulfides, ammonia, and methane can build up in anaerobic sediments due to natural biological processes to levels that are toxic to many benthic organisms. The detection of elevated sulfide concentrations (at or above the FSQV of 120 mg/kg sulfide) in those Quendall Terminals sediments exceeding the CSL biological criterion is consistent with this toxicity mechanism(Table 2). Ecology has determined that the SMS provides authority in WAC 173-204-520(5) to require cleanup of "other deleterious substances" on a case-by-case basis, in order to protect human health and the environment. The term "other deleterious substances" is defined in WAC 173- 204-200(17), and specifically includes organic debris. As discussed in Kendall and Michelsen (1997), this definition by rule of organic debris as a deleterious substance is consistent with the Model Toxics Control Act (MTCA) definition of hazardous substances contained in RCW 70.105D.020(7)(e). Further, Ecology requires wood waste cleanup at those sites where it is demonstrated to be harmful. In making this determination, sediments containing wood waste accumulations and the chemical byproducts of the breakdown of wood waste are assessed through approved biological testing procedures. Since approved biological tests of gray zone wood waste sediments at the Quendall Terminals exceeded CSL criteria, and because of the similarity of wood wastes in that area with those at Barbee Mill, Ecology has indicated that it will require wood waste cleanup at the Barbee Mill site under the SMS and MTCA. Consistent with bioassay results from other similar wood waste sites, the degree of adverse biological effects at the Quendall Terminals and Barbee Mill sites, as determined from the Quendall sediment bioassays, was correlated with sediment TOC concentrations (Figure 2). Moreover, analysis of these data suggests a probable site-specific AET of approximately 15 percent TOC, meaning that gray zone sediments with TOC concentrations below this threshold are unlikely to be deleterious. The similarity of the site-specific AET(15 percent TOC) with the regional freshwater FSQV (14 percent TOC) provides further support for the validity of this threshold effects criterion. Consistent with SMS guidelines, the site-specific AET may be used to define the wood waste cleanup boundary at the Barbee Mill facility. As discussed in Kendall and Michelsen (1997), at some sites wood wastes may be present in sufficient quantities that they may be classified as solid wastes rather than sediments. In accordance with solid waste and water quality regulations, Ecology has required that the deposits of wood waste (or any other solid waste materials encountered) be remediated, even when toxicity to aquatic life is low. Although various screening methods are available for Barbee Mill Sediment Cleanup Plan April 17,2002 Page 5 quantifying wood debris in sediments, estimates based on a volumetric percentage may be most meaningful. Kendall and Michelsen conclude that wood waste at concentrations greater than 50 percent by volume is a solid waste. In consideration of the sediment characterization data available for the Barbee Mill site area, along with consideration of current SMS and MTCA policies as generally outlined above, sediment cleanup at the site will likely need to address standards for three different constituents, as follows: • TOC—15 percent(dry weight basis) • Wood Waste—50 percent(volumetric basis) • Zinc—410 mg/kg(dry weight basis) Sediments at the Barbee Mill site that meet all three of these prospective cleanup standards would not have the potential to pose adverse biological effects to freshwater biota. The proposed cleanup plan outlined below was developed assuming that compliance with SMS and MTCA would be determined by performance monitoring for all three of these constituents of concern. Proposed Sediment Cleanup Plan Prior to initiating dredging actions at the site, a pre-construction baseline sediment quality survey will be performed to refine the boundaries of the remedial action area. This will be performed by collecting surface sediment samples on approximate 100-foot centers, as generally depicted on Figure 1. As set forth in the SMS, the general point of compliance for achieving cleanup levels is the upper 10 centimeters(cm) of sediment, and baseline surface grab samples will be collected from this interval. Sediment samples will be collected with a VanVeen,Ponar, or other equivalent sampler,consistent with current Puget Sound Estuary Program(PSEP) protocols. Each sediment sample will be visually inspected to determine the volumetric percentage of wood waste, and will also be submitted for analysis of TOC and zinc(using current PSEP methods). The remedial action boundary will generally be defined by a line equidistant between those samples that exceed the cleanup levels and those that do not. This determination may or may not require more detailed statistical analysis (see below). As discussed above, Barbee Mill previously applied for and received a Corps dredging permit for the facility,and the permit is effective through this coming fall. Similar to the 1999 interim action, Manson Construction will be retained to remove up to 20,000 cy of bark and wood debris and associated sediment from log storage areas located immediately adjacent to the Barbee Mill facility(generally denoted "Areas A,B & C" in Figure 1). Manson will perform the dredging using a relatively small(1-cy)barge-mounted clamshell bucket, and will transport the materials to adjacent uplands for passive dewatering. The material will be managed in Barbee Mill Sediment Cleanup Plan April 17,2002 Page 6 accordance with local, state and federal laws. Water quality monitoring will be conducted during the dredging operation as described in the Corps permit documents, and in a manner similar to the 1999 monitoring (Lloyd 1999). Following completion of dredging within a given area, Barbee Mill's consultant will collect surface sediment confirmational samples within and immediately adjacent to the dredged area. It is anticipated at this time that confirmational samples can be collected subsequent to the completion of the dredging activities within individual subareas of the site, with samples collected in a grid pattern (100-foot centers), as generally depicted on Figure 1. The definition of these subareas will depend on the overall construction sequencing. The objective will be to collect sediment samples most representative of the final dredge surface. Final sample locations may need adjustment to reflect the precise location of the dredging boundary achieved by the contractor. Each sediment sample will be visually inspected to determine the volumetric percentage of wood waste, and will also be submitted for rapid turn-around analysis of TOC and zinc. If individual sediment samples exceed any of the three prospective cleanup levels listed above, a statistical analysis of the data will be performed to assess the extent and degree of exceedance(s). The statistical analysis will involve calculating the 95th percentile upper confidence limit(95%UCL) of the mean concentration of samples collected within the dredge area, and comparison of the 95%UCL with cleanup levels. Based on this analysis, Barbee will develop appropriate response actions for sediment areas that exceed cleanup levels. Such response actions may include: 1) no further action (i.e., cleanup successful);2) additional sediment sampling to further characterize the extent of residual sediment contamination in the dredging area; or 3) supplemental dredging and disposal. Following discussion with Ecology, Barbee will implement the agreed-upon response action. After completion of remedial actions, Barbee Mill will prepare a Completion Report that describes remedial actions implemented at the site. As discussed above, the objective of these actions is to perform sufficient cleanup to obtain a No Further Action determination letter from Ecology for sediments offshore of the Barbee facility. Accordingly, the Completion Report will include a request that Ecology issue a No Further Action letter to Barbee. During your review, if you have any questions about this material, please do not hesitate to contact me at(206) 287-9130. Again, we request that Ecology provide a written response to this proposed work plan, confirming that Ecology will require this work in order to provide a No Further Action determination, and confirming that our proposed scope of work is appropriate and acceptable. Sincerely, • Barbee Mill Sediment Cleanup Plan April 17,2002 Page 7 Clay Patmont, Partner Anchor Environmental, L.L.C. cc: Robert Cugini, Barbee Mill Michael Lloyd, Lloyd and Associates Lynn Manolopoulos, Davis Wright Tremaine • Barbee Mill Sediment Cleanup Plan April 17,2002 Page 8 References Cubbage, J., D. Batts, and S. Breidenbach, 1997. Creation and Analysis of Freshwater Sediment Quality Values in Washington State. Washington State Department of Ecology Publication 97- 323a, Olympia, WA. 57 pp. +Appendices. July 1997. • Exponent, 2001. Sediment Sampling Results for the Quendall Terminals Property. Report prepared for City of Renton by Exponent, Bellevue,WA. February 2001. Kendall. D. and T. Michelsen, 1997. Management of Wood Waste Under Dredged Material Management Programs (DMMP) and the Sediment Management Standards (SMS) Cleanup Program. DMMP Clarification Paper/SMS Technical Information Memorandum, 1997 Sediment Annual Review Meeting. U.S. Army Corps of Engineers and Washington Department of Ecology, Olympia, WA. September 30, 1997. Lloyd, 1999. Dredging Summary: Maintenance Dredging - 1999, Barbee Mill Company, Inc. Report prepared by Lloyd &Associates, Inc., Snoqualmie,WA. 20 pp. December 23, 1999. ReTec, 1997. Draft Sediment Quality Memorandum (including figures tables, and appendices) - Barbee Mill and Quendall Terminals Sites. Prepared by ReTec, Seattle, WA. April 29, 1997. 1 Table 1. Summary of Surface Sediment Chemical Concentrations Detected Near the Barbee Mill Site,Lake Washington . Parameter Units FSQV 01 SQS U) Site Stds. RETEC-RI/FS Sampling Lloyd/Hart Crowser-Interim Remedial Action Sampling Station ID V13-1 VB-2 VB-3 VI3.4;,. VB-5 VB-8 BA-SED-01 BA-SED-02 BASED-03 BA-SED-04 r'$ u.'re;'BA-SED-06 M.Outfall N.Outfall S.Outfall (1996 SPI Location) (5134) (5128) (S129) (S125) (5120),; (S119) (S115) (S108) (5116) - "h02' .' - Sampling Date Jan-97 Jan-97 Aug-96 Jan-97 Jan-97 Aug-96 Jan-97 Jan-97 Sep-99 Sep-99 Sep-99 Sep-99 Sep-99 Sep-99 Sep-99 Sep-99 Sep-99 'Sample Depth Interval cm 0-35 0-10 0-9 0.10 0-10 0-45 0-10 0-10 0-10 0-10 0-10 0-10 0-10 0-10 0-10 Conventional,: Total Solids %wet wt 32.2% 26.5% 28.2% 26.4% 68.9% 35.1% Total Organic Carbon %dry wt 14% TBD I'I 7.4% 5.0% 24% 5.1%PI 2.7% 14% Sulfide mg/kg dry wt 120 Wood Waste(SPI) %by vol TBDM 15% 15% 100% 70. V$f11Na+ 20% 15% 5% 5% .a.'.. Metals: Arsenic mg/kg dry wt 57 57 20 U 20 U 20 U 20 U 7U IOU IOU 10 U 10 U 10 U 10 U 10 U 10 U 30 10 U Cadmium mg/kg dry wt 5.1 5.1 0.7 U 0.8 U 0.6 U 2.7 0.3 U 0.6 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U Chromium mg/kg dry wt 260 260 34 36 10 43 24 19 44 51 40 39 43 44 36 39 14 Copper mg/kg dry wt 390 390 27 36 12 34 13 20 ' Lead mg/kg dry wt 450 450 27 46 13 43 10 13 40 37 50 24 34 37 13 18 16 Mercury mg/kg dry wt 0.41 0.41 0.1 U 0.2 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.40 0.1 U 0.1 U 0.1 U 0.1 U • Nickel mg/kg dry wt 46 28 31 10 32 18 17 Silver mg/kg drywt 6.1 6.1 1.OU 1.OU 1.OU 1.0U 0.4U 0.8U 1.OU 1.OU 2.0 1.0 1.2 1.1 1.1 1.0 1.OU ' Zinc mg/kg dry wt 410 410 75 142 55 1 560.i 34 75 Polynudear Aromatic Hydrobarbons(PAHs): Total LPAHs mg/kg dry wt 27 0.2 U 0.2 U 0.2 U 0.3 U 0.1 U 2.1 0.3 0.3 0.1 U 0.1 U 0.1 U 0.1 U 0.3 0.5 0.1 U mg/kg OC 370 3 U 5 U 1 U 5 U 4 U 15 Total HPAHs mg/kg dry wt 36 0.2 U 0.2 U 0.2 U 4.4 1.0 7.8 0.9 3.3 3.6 1.8 0.6 0.5 0.6 2.4 0.4 J mg/kg OC 960 3 U 5 U 1 U 85 35 55 Total PAHs mg/kg dry wt 60 100 1O 0.4 UJ 0.5 UI 0.4 UJ 4.6 J 1.0) 9.9 1.2 3.5 3.6 1.8 0.6 0.5 0.8 2.8 0.4 I Micellaneous Organic Compounds: Bis(2-Ethylhexyl)phthalate mg/kg dry wt 0.64 0.26 0.24 U 0.22 U 0.25 U 0.10 U 0.20 U I mg/kg OC 37 4 5 U 1 U 5 U 4 U 1 U I Dirnethylphthalate mg/kg dry wt 0.22 U 0.24 U 0.22 U 0.25 U 0.10 U 0.31 mg/kg OC 53 3 U 5 U 1 U 5 U 4 U 2 Total PCBs mg/kg dry wt 0.021 0.11 U 0.12 U 0.11 U 0.12 U 0.05 U 0.10 U mg/kg OC 12 1 U 2 U 1 U 2 U 2 U 1 U 1 NOTES: (1)Freshwater Sediment Quality Values from'Creation and Analysis of Freshwater Sediment Quality Values in Washington State'(Cubbage et al.1997). (2)Marine Sediment Management Standards promulgated under the Washington State Sediment Management Standards(Chapter 173-204 WAC). (3)Ecology develops sediment cleanup standards for wood waste/10C on a site-specific basis;TOC above 15%and wood waste above 50%exceed prospective criteria. (4)Site-specific standard based on previous analysis by Ecology of sediment bioassays conducted immediately north of the Barbee site. (5)The apparent lack of correspondence between wood waste and TOC values in this area likely reflects local heterogeneity;wood waste percentages were estimated during 1996 SR surveys,while TOC was determined during subsequent 1997 sampling. 'U'denotes that the analyte was not detected above the associated method detection limit. 'p denotes that the concentration presented is estimated. Yellow coloring denotes previous exceedance of prospective sediment cleanup criteria,though much of this area was subsequently dredged in 1999. - '•"N'E �p 9. elayye�:""�r.°"b5%F°Xa',er�,4.�.T�.Y'.a.'„ b)Ii�l ,. .,, 4 M� s�tMti11/Yar,pWrieMyaC Table 2. Quendall Terminals Bioassay Data Exponent Sampling Percent Fines Total Organic Total Sulfides Total Bioassay Station ID Date (dry basis) Carbon (% dry) (mg/kg dry) Exceedance Product 1 -SD0002 31-May-00 62% 14.0% 255 2 - SD0001 31-May-00 37% 11.6% 68 2.9 3 -SD0003 31-May-00 7/0 2.9 ° 1.9% 14 1.2 4 -SD0004 31-May-00 35% 12.5% 79 4 -SD0009 31-May-00 44% 9.6/° 1.7 ° 138 5 -SD0005 31-May-00 39% 14.8% 262 4.6 6 -SD0006 31-May-00 26% 9.2% 4 2.9 7 -SD0007 31-May-00 40% 14.6% 211 8 -SD0008 31-May-00 39% 15.1% 60 3 7 1.7 9 -SD0011 31-May-00 42% 17.7% 119 4.6 11 i e w3 L, ! VIM A', I aro-8 C_ /; ./� _z`• .•.st = • ee!r ; 1T/1 :\.B } / V) t . f I ♦—— —— I I-i "�\ — l iwieI • I I I II: l� • •995 0 1 rl I I +� ,�FALL -I L—:. si Ti • • 1 ,,: r%•' I I , ,, 1 I 1 BARBEE— h: ed;# !I "—8t iE6—o5 ;� � MIE i t I . • ' I � —Nj I r A-SED-0 1,k t : t -�:�P� �' O I I. 1. hr� 1 1 ` �;�. A !BO �� S-OUT FACE • 1 N. -129le OREp .A ' I I. 1 1\ I , 1i .I 1 _ .4P, 11 f't( i I ` . 1 , ' i 2 • \,, •VMS Ir .`c i \ \ -- '/ 'T _ 0 150 I \ `�t Scale i® r 1 •�'.1 . `.•\. r ._� it l / ) Proposed Pre-Construction Baseline Sample Stations Note:Base map prepared from drawing provided by t ThermoRetec entitled"Summary of Site Areas and Previous Sampling Locations",dated October 20,2000. 0T9—B• Exponent 2000 Ouendal Bioassays BA—BE* Lloyd/Hart Crowser 1999 Sediment Sample e• Previous Sediment Boring(1996 or earlier) VS106 Phase 2 Vibracore(Retec 1997) Bathymetric Contour(MSL) 9BM02005901-01.dwg we 4/16/02 Figure 1 Summary of Prospective Areas and ANCHOR Sediment Cleanup Sampling Locations Barbee Mill a Figure 2. Site-Specific Relationship Between Sediment Total Organic Carbon and Observed Toxicity, Quendall/Barbee Site Area 5.0 — , • Below Minor Effects Threshold 4.5 A Effects Exceed Cleanup Threshold A'' A Site-Specific Cleanup Threshold (3.4) 3 4.0 - - Apparent Effects Threshold (TOC = 15%) i -a 0 L � a a) ' 0• 3.5 , ea a) 0 w 3.0 • • • >, to ctim 2.5 , 0 m , c 2.0 1.5 1.0 h- , I , , 0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20% Total Organic Carbon (TOC; percent dry wt) TY OF RENTON 1055 S. Grady Way Renton, WA 98055 Printed: 05-29-2002 Land Use Actions RECEIPT Permit#: LUA02-067 Payment Made: 05/29/2002 12:38 PM Receipt Number: R0203036 Total Payment: 6.12 Payee: LLOYD & ASSOCIATES, INC Current Payment Made to the Following Items: Trans Account Code Description Amount 5955 000.05.519.90.42. 1 Postage 6.12 Payments made for this receipt Trans Method Description Amount Payment Check 2280 6.12 � O/�..q1 F Account Balances it; q�Rl4A� o `/�J Trans Account Code Description Balance Due lk% 3021 303.000.00.345.85 Park Mitigation Fee .00 `, 5006 000.345.81.00.0002 Annexation Fees .00 �O 5007 000.345.81.00.0003 Appeals/Waivers .00 5008 000.345.81.00.0004 Binding Site/Short Plat .00 5009 000.345.81.00.0006 Conditional Use Fees .00 5010 000.345.81.00.0007 Environmental Review .00 5011 000.345.81.00.0008 Prelim/Tentative Plat .00 5012 000.345.81.00.0009 Final Plat .00 5013 000.345.81.00.0010 PUD .00 5014 000.345.81.00.0011 Grading & Filling Fees .00 5015 000.345.81.00.0012 Lot Line Adjustment .00 5016 000.345.81.00.0013 Mobile Home Parks .00 5017 000.345.81.00.0014 Rezone .00 5018 000.345.81.00.0015 Routine Vegetation Mgmt .00 5019 000.345.81.00.0016 Shoreline Subst Dev .00 5020 000.345.81.00.0017 Site Plan Approval .00 5021 000.345.81.00.0018 Special Permit Fees .00 5022 000.345.81.00.0019 Variance Fees .00 5023 0 .00 5024 000.345.81.00.0024 Conditional Approval Fee .00 5036 000.345.81.00.0005 Comprehensive Plan Amend .00 5909 000.341. 60.00.0024 Booklets/EIS/Copies .00 5941 000.341.50.00.0000 Maps (Taxable) .00 5954 604 .237.00.00.0000 Special Deposits .00 5955 000.05.519.90.42. 1 Postage .00 5998 000.231.70.00.0000 Tax .00 Remaining Balance Due: $0.00 __TY OF RENTON 1055 S. Grady Way Renton, WA 98055 Printed: 05-29-2002 Land Use Actions RECEIPT Permit#: LUA02-067 Payment Made: 05/29/2002 12:37 PM Receipt Number: R0203035 Total Payment: 3,000.00 Payee: BARBEE MILL CO. Current Payment Made to the Following Items: Trans Account Code Description Amount 5010 000.345.81.00.0007 Environmental Review 500.00 5014 000.345.81.00.0011 Grading & Filling Fees 2,000.00 5019 000.345.81.00.0016 Shoreline Subst Dev 500.00 Payments made for this receipt Trans Method Description Amount Payment Check 101892 3, 000.00 Account Balances Trans Account Code Description Balance Due 3021 303.000.00.345.85 Park Mitigation Fee .00 5006 000.345.81.00.0002 Annexation Fees .00 5007 000.345.81.00.0003 Appeals/Waivers .00 5008 000.345.81.00.0004 Binding Site/Short Plat .00 5009 000.345.81.00.0006 Conditional Use Fees .00 5010 000.345.81.00.0007 Environmental Review .00 �EVCjOFM�NT 5011 000.345.81.00.0008 Prelim/Tentative Plat .00 n� �N/��NG 5012 000.345.81.00.0009 Final Plat .00 5013 000.345.81.00.0010 PUD .00 5014 000.345.81.00.0011 Grading & Filling Fees .00 5015 000.345.81.00.0012 Lot Line Adjustment .00 5016 000.345.81.00.0013 Mobile Home Parks .00 '��ti veD 5017 000.345.81.00.0014 Rezone .00 5018 000.345.81.00.0015 Routine Vegetation Mgmt .00 5019 000.345.81.00.0016 Shoreline Subst Dev .00 5020 000.345.81.00.0017 Site Plan Approval .00 5021 000.345.81.00.0018 Special Permit Fees .00 5022 000.345.81.00.0019 Variance Fees .00 5023 0 .00 5024 000.345.81.00.0024 Conditional Approval Fee .00 5036 000.345.81.00.0005 Comprehensive Plan Amend .00 5909 000.341.60.00.0024 Booklets/EIS/Copies .00 5941 000.341.50.00.0000 Maps (Taxable) .00 5954 604.237.00.00.0000 Special Deposits .00 5955 000.05.519.90.42.1 Postage 6.12 5998 000.231.70.00.0000 Tax .00 Remaining Balance Due: $6.12 DEVELOPMENT PLANNING CITY OF RENTON RECEIVED a p CITY OF RENTON m `�- A T4� .1 Op. A � _ .' mu. Planning/Building/Public Works E3 h 0„' , 1055 South Grady Way - Renton Washington 98055 e~ JIIN 0 A'0 Z `a_2 - Q 3 2 2 irit : • ADDRESS SERVICE REQUESTED " , . 71 3839 U.S. POSTAGE (JA 334270 0005-01 —31 BARBEE FOREST PRODUCTS INC 519999 4101. LAKE WASHINGTON BLVD N RE -4 WA 98057 �� 1 Oti d W m b47 j-,„ 1• � �.'•'G liil:!It!1liIt!telel!!I!}!i!ilii �r1r�rr1 Irrr�trrr�rIrr1lrrr1r1r�r1rr1r1r11rrr� • 4 F 6 H { J K l N Q P Q R $ T ' W X 1 1 1 I 1 i 1 I 1 , i f 1 1 1 1 I 1 ( ! 1 R I 1 i i 1 1 ( 1 I I I I 1 1 1 • ! I I I i j 1 I i .._...._ i I 1 I I i I 1 ( i I I " 1 l j I ; I I I 1 I I I } -1-' I 1 1 ( 1 I ... A { j— I j ! I H I 1 / 1 I H- 4 ;Lake-Washington. r-....... _._ - ' ..__ T 1 I 1 ! 1 1 i I I 1 I ; 1 ' ....1.... I 1 ' i 1 i i •+sue ; i I 1 I I I _ . i : I t i 4 1 t '1 i I i i i I i 1 I - i t. i'�tichi` I I , I i I 1 ,...•- I1 i I .___ _. , t 1• i I ` ! 1 1. I i I I ' illItiliAME --1----- '1 1 i IJ I i 1 I ;` I 1 : ; i _ - —: Dred a �, _ — ' .... _ell—Om:� .... i�" • Storage a �� j 1 ; I I I ■ 1 • i I 1 1 I 1 ' i I i ! ; 1 i a y�(ll9 J SCALE Lumber Storage I 1 I I p' 50' 100' 200' 300 MdyCie Barbee Mill Company 0 . .•.„‘,, WI • .1.7 '' I I Bark Dredging - 2002 Bark Removal Area Q City of Renton,county of King,State of Washington Latitude:47 31'40"Longitude 122 12' 12" Proposed Contours (MSL) , 0 Barbee Mill Company,P.O.Box 359,Renton Washington 98057 L&AI/RML 6/98,updated 1/99,3/02 File: E:\dredge2002\fingrade.CAD