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HomeMy WebLinkAboutWTR2700422(1) W-422 SPRINGBROOK SPRINGS UPGRADING PROJECT WTR-g 1 #2 Consultants & Agreements BEGINNING OF FILE odl FILE TITLE #1 SCR + NG�K �rae 'n� UPG �p �I I/(X- � av- , pg�ee ��aufs r THE CITY OF REN'TON MUNICIPAL BIJUDING 200 MILL AVE.SO. RENTON,WASH.98055 O,A b v. AVERY GARRETT.MAYOR 0 PUBLIC WORKS DEPARTMENT q Q, War,en C.Go,,nason. Dueclor oF1y�0 SE PTEG'�4. July 1, 1974 State of Washington Department of Social 8 Health SerVi C05 Water Supply and Waste Section Mail Stop 4-1 P.O. Box 1788 Olympia, WA 98504 Attention: 11. E. Walden, Procedures and Cost Supervisor Gentlemen: Enclosed please find (3) three Environmental Impact Assessment torms for proiects: #277403114 24" W'aterinain Tie from Nit. Olivct to Talbot Hill Reservoirs 927740311) Springbrook -,prings Source Nvelopment #277403112 Chlorination System Upgrading These EIS lurms should be incorporated into the Referendum 27 Grint requests in your possession. I hope these EIS's will meet with your approval. Very truly yours, Richard C. Pourllton Utilities Engineer Mad Enclosures �n� t >tnva�+ll 0 ENVIRONMIiNTAL IMPACT ASSESSMENT SUMMARY NATURE OF THIS REPORT Declaration of negative impact of Springbrook Springs, Well, Well [louse, Infiltration Galleries, project. Sponsor City of Renton Department of public Works Utilities Department 200 Mill Avc. S. Renton, WA 98055 Contact: Richard Houghton, Utilities Engineer Telephone 235-2631 SUMMARY OF PROPOSED ACTION The Renton Utility Department requests Referendum 27 Grant monies for use in the Springbrook source development project. As required by the Department of Health and Social Services an analysis of the environmental impact from this project was made. OFFICIAL TITLE AND DESCRIPTION OF PROPOSED ACTION Springbrook Springs Source Development; Vortical Well, Well Hcuse, Infiltration Galleries, Storm Sewers, Landscaping and Erosion control. The proposed pro Jett at Springbrook Springs will increase the amount of water developed at the water shed. Additional landscaping and erosion control improvements will be installed at the site. Source development at epringbrook Springs will include a vertical well, a well house with pumps and appurtenances, additional horizontal infiltration galleries, sumps and rehabilitation of the existing infiltration galleries. Storm runoff rerouting will be accomplished through installation of storm sewers. The storm sewers will reroute the storm runoff around the Springs to prevent future washouts similar to the February 1971 event. Erosion control and landscaping will he installed. Portions of the watershed site had extensive damage during the February 1971 washout. These areas will be rehabilitated and replanted. LIST 01: IMPACT 'rho Springbrook Springs project is a major action but with insignificant ffect• 1tECJJVx,b 1\Y.Y1\1\Y W-V% ullu•wr YI• 2 Possible environmentally- damaging effects have been pinpointed in the engineering analysis of the source development. The mitigating measures to eliminate any impact will be incorporated into the project. Human use of the area will continue and present lund use patterns will be preserved. The proposed project has the potential to change natural charac- teristics in the Springbrook Creek drainage as does any diversion of water from natural water courses or aquafers. However, this development will be accomplished in such a manner as to minimize any adverse affects to the envir- onment. Development of the near surface aquafer will be accomplished while maintaining a minimum flow of 2.5 cfs in Springbrook Crock, as specified by the Department of Fisheries. The development of the vertical well will be accomplished in a manner to protect existing aquafers. The drilled well will be cased and scaled while passing through impermeable layers to eliminate leakage of pressure or water between aquafers in the quaternary deposits. Development of the Springbrook Springs source in this manner will eliminate the significant adverse impacts t(, the environment. The wells shall be constructed to be in compliance with .e Water Well Construction Act. (1971 Chpt. 18.104 RCW) and with the Minim:.. Standards for Construction and Maintenance at Water Wells DOE May 1974. SIZ24ARY OF ALTERNATIVES Alternative 1: Do nothing. Construct no improvement to Springbrook source. not increase withdrawal from surface runoff. Preserves existing environment; however, this alternative does nothing for increasing water supply. Alternative 1I: install new wells in the Cedar River aquafer near existing wells n Renton. 'f is alternative does supply the City with sufficient quantities of water; however, the high cost of pumping makes the higher (elev. 206) Springbrook source more economically attractive. The shallow wells used in the aquafer are susceptible to surface pollution. With continued urbanization in the Cedar River drainegu, the threat of surface and ground water pollution will increase. Alternative III: Develop wells and springs elsewhere in the area. At present, t e ground water aquafers sufficient to warrant development have been investigated. These three areas in Renton are the Cedar River alluvial fan, the Green River basin, and the hillsides adjoining the Green River basin. At present, the river valley sites have been investigated and the high cost of new watermain transmission lines make now development prohibitive. The river hillside sites show the most potential for water withdrawal in the vicinity of Springbrook Springs. Alternative 1\': Development of surface runoff in Renton area streams. Continuing urban growth in the Renton area has adversely impacted surface stroams in the Renton area. these surface waters would require a very high degree of treatment and would be divert,d from existing uses. RECEIYtu JUL •2 to'a a jt,�MWM 11�� .. .... .._..- +..•.. inn., wv :.w«. -... _...•,.�. .s.... .., A i 3 The available water right in the Cedar River ha%c been claimed by the City of Seattle. Further withdrawal from the Cedar River would adversly impact fish and aquatic life in the river. Alternative V: Increase reliance on City of Seattle water supplies. The water sapplied to Renton from Seattle is of puorer quality than currently avail- able. Turbidity increases to high levels duaing peak runoff periods in the Cedar River (the ultimate source of Seattle water). The lower quality Seattle water together with a higher cost than Renton water supplies makes Seattle water undesireable. proposed Increases in Seattle water further indicates the higher costs in this Alternative. REVIEW PFRIO11 This Environmental Impact Assessment is hereby suomitted on July 1, 197.7, and is available for review. RECEIVED JUL -2 tw'" bM NRIM MR,SLL �MUgw+p1 4 RECIPIENTS OF 1'11E DOCUMENT: Pepartment of Social and liealth Services Water Supply and Waste Section Health Services Division P.O. Box 1788 Olympia, WA 98504 CERTIFIcrION BY CITY OF RENTON REPRESENTATIVE: The City of Renton Representative identified below hereby certifies that the information furnished in this Environmental Impact Assessment is true and accurate to the best of their knowledge. 7 Public Works Director Signature litle July 1, 1974 Dace '— pECE1VE� JUG•21974 ENVIRONMENTAL IMPACT STATEMI:N, Ot1TLIYE A. T1ii PROPOSED ACTION The Renton Utility Vcpartment requests Referendum 27 Grant monies for use in the Springbrook source development project. As required by the Department of 'iealth and Social Services an analysis of the environmental impact from this project was made. The proposed project at Springbrook Springs will increase the amount of water developed at the water shed. Additional landscaping and erosion control improvements will be installed at the site. Source development at Spr-ngbrook Springs will I elude a vertical well, a wail house with pumps and appurtenances, additional horizontal infiltration galleries, sumps and rehabilitation of the existing infiltra- tion galleries. Storm runoff rerouting will be accomplished through installation of storm sewers. The storm sewers will reroute. the storm runoff around the Springs to prevent future washouts similar to the February 1971 etc. .. Erosion control and landscaping will be installed. Portions of the watershed site had extensive damage during the February 1971 washout. Those areas will be rehabilitatvd and replanted. B. EXISTING CONDITIONS Springbrook Springs located four miles south of the City center has been used continuously since 1909 to supply water to the City of Renton. The water is cold, clear, and of good quality. The flow from natural springs In coarse gravel strata is collected in an infiltration system of performated conemete pipe laid In artificially placed gravel, A 20-inch transmission pipeline, inlet 1ilevation Soo uSGS datum, takes this water by gravity to Talbot Reservoirs. The supply is motored at a chlorinator house which has a Wallace and Tiernan gas chlorinator. Attachment IS shows existing facilities. A supply of approximately 2 million gallons per day (mgd) is obtained from this source, but falls to 1.75 or 1.50 mgd in late August and September. The area is capaoic of supplying morn water as will be discussed later. The City presently has a water right at Springbrook of 1.3 cubic feet per second (cfs) equivalent to only 1.49 mgd, At the Springhrook source, natural springs flow out of a coarse gravel stratum in the south bank of a deep ravine over a distance of about 400 fart. 7b^ highest springs are diverted into an artificially placed gravel bed which surrounds and covers to a depth of about 2 feet an infiltration system of perforated concrete pipes laid behind a concrete wall with shallow footinc-s, these pipes lead to a enncrete vault in the RECEfYCO JUL •2 Y474 a161= wrino 2 gravel from which a gravity 20-inch transmission line runs to Talbot Reservoirs. A small dam has been constructed at a slightly lower elevation from which An above ground 8-inch steel pipe connects to the 20-inch trans- mission line at an elevation which permits water to flow by gravit , to Talbot Reservoirs. A further dan at lower level impounds additional water which is presently not used for supply. At one time a pump :ifted water into the pipeline when flow from the upper springs was less than the demand. This pump has been removed; part of the concrete pump house remains. Downstream use of this source is the Springbrook Trout fams. The former practice of using Springbrook Crock for irrigation water has been discon- tinued because of urbanization of the Kent - Green River Valley. The Springbrook Springs source development project has been considered by the City of Renton Municipal Government. The Utility Department intends to issue revenue bonds for a comprehensive capital improvement program. The Springbrook Springs project is part of this comprehensive program to upgrade the sewer and water facilities in the City. The natural setting of the Springbrook Springs source is a wooded ravine, heavily forested with second growth Douglas Firs and .Alders. 'rhe site, owned by the City, is essentially undeveloped. Reforestration is in process in a gravel pit which was recently acquired and in areas subject to a washout in 1971. F,veral small buildings have been erected to house valves and chlorination acilities. The only ether developments of significance are an access read, the gravel infiltration galleries, and storm run off culverts. The water obtained from Springbrook Springs is of very high quality . . . see attachment. The only treatment necessary is chlorination. The geology of the area is complex. The ravine is an exposed portion of quaternary vashon drift. Well sorted san and gravels comprise the aquufer that the springs originate from. The water bearing layers arc overlain by Vashon fill, a compact clay-silt-sand matrix. Underlying the Vashon drift and fill are forth. • layers, of =determined thickness, of Vashon and pre- Vashon drift. The objective of the vertical well drilling is to reach water bearing aquafers of the Salmon Springs type. Wells drilled In the valley floor near the Springbrook Site (sec map (1) wells laboled Y-I and N-J) have developed considerable amounts of water (1,700 gpm) and are artesian. It is believed that this aquafcr or ones with similar characteristics underly the Springbrook Spring site. (See Geology and Ground Water Resources of S.N. King County W.S. Bulletin e28). The layers of Salmon Springs or Pre-Vashon type have tiro greatest potential for development as a water source. RECEIVED C and D. RIIVIRONSIENTAI. IMPACT OF 11W PROPOSED ACTION AND USAVOIDABLI JUL -2 1974 U1'P��1'I RO:)11,. YAI. SFP C ti aMH.u,rnMv+rt unu.wa nr The Springhrook Springs project is a major action but with insigr.ificwt �TI 3 effect. Possible environmentally damaging effects have been pinpuintcd in the engineering analysis of the source development. The mitigating measures to eliminate any impact will be incorporated into the project. Ilumau use of the area will continue and present land use patterns will be preserved. The proposed project has the potential to change natural characteristics in the Springbrook Creek drainage as does any diversion of water from natural water courses or aquafers. However, this development will be accomplished in such a manner as to minimize any adverse affects to the environment. Development of the near surface aquafer will be accomplished while maintain- ing a minimum flow of 2.5 cfs in Springbrook Creek, as specified by the Department of Fisheries. The development of the vertical well will be accomplished in a manner to protect existing aquafers. The drilled well will be cased and sealed while passing through impermeable layers to eliminate leakage of pressure or water between aquafers in the quaternary deposits. Development of the Springbrook Springs source in this manner will eliminate the significant adverse impacts to the environment. 'rhe wells shall he constructed to be in compliance with the Water Well Construction Act. (1971 Chpt, 1S.104 RCW) and with the Minimum Standards for Construction and Maintenance of Water Wells. DUE, May 1973. E. AlATRNATIVES TO 11111 PROPOSED ACTION Alternative 1: Do nothing. Construct no improvement to Springbrook source. a not increase withdrawal from surface runoff. Preserves existing envir- onment; however, this alternative does nothing for increasing water supply. Alternative Ih Install new wells in the Cedar River aquafer near existing wells in Renton. This alternative does supply the City with sufficient quantities of water; however, the high cost of pumping makes the higher lolev. 206) Springbrook source more economically attractive. The shallow wells used in the aquafer are susceptible to surface pollution. With -ontinued urbanization in the Cedar River drainage, the threat of surface and ground water pollution will increase. Alternative III: Develop wells and springs cisewhore in the area. At present, tTc ground Ovate: aquafers sufficient to warrant development have been Investigated. These three areas in Renton are the Cedar River alluvial fan, the Green River basin, and the hillsides adjoining the Green River basin. nt present, the river valley sites have been investigated and the high cost of new waterntain transmission lines make new development prohibitive. The river hillside sites show the most potential for water withdrawal in the vicinity of Springbrook Springs. Alternativo 1V: Development of surface runoff in Renton nrea streams. tonTiimninp urTan growth in the Renton area has advcraelr impacted surface streams ;n till' Renton area. These surface waters would require a very high degree of traRmrot and would be diverted from existing uses. RECEIVED JUL •a ), ,4 aM111{„1� 04, 1\,�1 4 The available water right in the Cedar River have been claimed by the City of Seattle. Further withdrawal from the Cedar River would advorsly impact fish and aquatic life in the river. Alternative V: Increase reliance on City of Seattle water supplies. The water supplied to Renton from Seattle is of poorer quality than currently available. Turbidity increases to high levels during peak runoff periods in the :edar River (the ultimate source of Seattle water). The lower quality Seattle water together with a higher cost than Renton water supplies makes Seattle water undesireable. Proposed increases in Seattle water further indicates the higher costs in this Alternative. F. RELATIONSHIP BETWEEN sUOR'r-TERM USE AND LONG-TERM ENI11NCEMIM P f l' ENVIRONMEN ' Utilization of the ground water resource of the Springbrook area is the alternative with the least impact to the long-range environmental quality of the area. Other sources of water are reaching their limits, further withdrawals from the Cedar River will cause serious environmental problems. The several wells in the Springbrook area and on the Valley floor adjacent to Springbrook, have demonstrated that the allowable withdrawal is considerably more than Renton's proposal. The proposed source development will make it possible fur the City to fully utilize the new 24" Ductile Iron transmission main scheduled to replace the existing 20" steel main. Development of the Springbrook Source will give the City a greater safety margin in the event of an emergency. The ability to supply the water demands from either the Cedar River wells or Springbrook Springs indepen- dently, would be a valuable asset. Further development of Springbrook Springs would be a very positive impact, in regards to reduction of )uuping costs, creating a secondary source of water, and as the water source least susc^ptible to surface poaution. G. IRREVERSIBLE OR IRRETRIFI'ABLP. RRSOURCI: CO?PII114F.NTS The Springbrook Spring development does commit considerable financial resources to increasing the amount of water from the water shed. Wwover, development of this source is not irreversible, and if alternative sources of water become more attractive, future development may be directed away from Springbrook Springs. It. BASIS POR ASSRSSMENT SUPPORTING NEGATIVE DECLARATION ACL I AM. G (MYT APPLICATIONS The Springbrook Springs project is a major action but with insignificant effect. Possible environmentally damaging effects have been pinpointed in the engineering analysis of the source dovelopm^_nt. The mitigating measures to eliminate any Impact have been incorporated into the project. taCE1,40 � A JUL '2 � '`` �, Jl.°w +1 JJIY � .�\, 4 i"+ � k' `�1.• I ,~ !. .r.,1••�., '..�• v, owl YY IY ',1 (, .� �� ^• ,ir�'.. �� Y v • ROR14 r 1 l , , SP BRK SPRINGS :7 !'•,tip. � � .� . ,�• .� $Y i I wr f �•. tJt r ��}j 1`u Y .11 It��o �• I• IT of .� i I• Y� 4 r Q� I ,. �c. vl s ` .. A " '�t.:s..�( .�.�`Y�� MY�111.��1tq�li•1 1y1 � Yf1, ��'w I ,i, � , 'r . .. py 1. GEQL�OGY IpF S.W. KINee i C 1 ���I i�•�ti � �•.J I �. 4 O m l N 3 � _ O a41 - 9 trl m O S IPI x o N � T N I W = p D -�� ill,•llYl ��� [[F4A KIM! •f O F iIII-llNt IPI z r 8 ` o r ri q r D r -� Z T „,. o t l Iwl rtt N m 7 ti/1-N7111'1 t , m r t).b Wtll IV, r In ='s In irl r• r (��a 1 E \� � 1 i1.cam + ��� I + � �'' •z ro n , A � � o �_q�. ��� . �i �z ��, �� - �r�� ����*r,. ,+ � . ���. � �: �, !' � �- - � • f 1 j 14" PERFORATED COLLECTOR oI //--PIPES UPPER I" _ CO NC. WALL CASSION VALVE CHAMBER INLET CNAMO:R COLLECTOR PIPES IN GRAVEL w J W n J W f N O N H N_ K W METER 0 CNLC' IINATOR� DEVELOPMENT OF SPRINGGROOK SOURCE — EXISTING � I , � I i i NEW INFILTRATION / GALLERY / // WELL HOUSE 9 WELL, COLLECT03 SUMP 0 LOW LIFT PUI.IPS NEW MAIN LINE METER 9 CHLORINATOR DEVELOPMENT OF SPRINGQR.00K SOURCE -- STAGE I I 7 I \ I / 200,000 GAL. \ / STANQPIPE� i � r � I r i i RF.CEIV�D ,IUI. DEVELOPMENT Of SPRING©nOOK SOURCE — STAGE 2 STATE OF WASION `,yu;t,y uC�llYLte:1U.t C� �'JG.'fJU.4C.l(-0�f e.LL...\ro. , `.uuo,ewoeL 11. M.U41CI A1,1G11.1. Dli(CIW Y r...wo.wo.. DID GIhIM.L .DMIw 14111.\IOM 40L0INO <OLYw.a eae'Y..O,ri\ '. iOw,.n1 aOi.cla 1 i4U Utv"d 04rM1'IA ouw,.Nooncao.w ' wn•w.\u ee.lu..no. p.NIIL J. EVANS ro.unU ......e. December 30, 1966 t Office of City Clerk �a Poor, 104, City I1411 Renton, Washington 90055 ' _ AT1'ENT10N7 Nelmic Nelson i City Cloth ' Gentlemen: ' Re: Surface Water Application No. 19590 1 For your information we enclose a copy of our findings to connection with the above numbered application. The application has been approved and a permit will be 16sued In accordance with this report upon payment of the statutory fee of $ 40.00 plaaaa mahu all chochu payable to the ' Department of Conservation. Very truly yours, + DEPARTMCNT OF CONSEIIVATION �H. Nn YOLLOCK, Supervletr - i. Division of Water ROJOUCC0a. 1' 11WPt11a ' Enc. l I � i ' d.�\11Crq'gN , e d� tali 1' i:9i0N u(r�Lidl4�u ,li i wl 1 November 15, 1%6 etof application ...Mi.ii_14.. J%fi_..Date of eaununot:un May 11...1906 ._.. Application No 19590 _ .... __.. . .,,City Df Renton .........�_........._ _. Address C14Y.ha 11, CRenton,1Hastkin6 on 98055 9.28 c,f.s. .._,Ilss.... . Y.uni opal supply nhty appbtd lore _.__._.....___. ae o1 appropriation - sprinfbrook Crec% ..Tributary of.- .Duwamish River - Tracts 2 6 9, Plat of Sprinpbrook Acru Tracts, plsub. within SEVMM _sea_. . 6 Twp 22N. ylife, S E. County King ._...___....,. tiered cr estimated qusntily. Sr records - flow monitored ay. rrubable low flaw • -•• -• �tlty previously uppropnated. WT. .2.15.t.f.'i CWT. _._ZaDS.e,f,a: E.T. 2.30 c.f,a. ._._..._ :<tusc made of water OrnmesricstspPlY.-1,rragution, municipal supply,. fish propagation •ee,on Works contemplated Additlonal dcvulopment of the sourca, gravity pipeline •_.._.. ter equipment „lsble acre fe: Planned ---- •- Present ._. _.. .. .....�� .. »—. Fessible_,.__.._... .......... : :er water rights appurtenant to this land..... Sae Da1ov.._.. ._..._... .. _. rciress of project.,._._-t7oq,begtin—....___._.._:.............. . _.... . ....__.w-..._:_..._..—.._...._._._..._.__..•..--»—. . su_�Dopsrcmonta,pf.Ftshcrica ,and,0+ua4_(9-20-66)- -,vltlislLawn.(e00.bRlov)._,.... Uty 9.28 C.f.s. 6 . .. brie .. .. _... Dom.__. ....._..___.- recommended (total) __ . 6681,6 sere-feet per year Municipal 9.29 c.f.!;. h bodl.o arrc- Other uses....._ .-... . . ,...,.—._.— +et_._.. .. ...._ ._ feet per year psrtment of Fisheries belowaherics and Game report rII remarks and provisions. Thu report of the Department. of Pisheries and Came is as follows: iresentatives of the Department of Fisheries and the Department of Came have made further sld investigations of the above noted water ri,;ht application. loeation of the point of diversion, Sr.JIEk, SeCtiun G, Townuhip 22 North, Range 5 East H.H. Xing County. It was tndicatcd that tilia application at:.0 was iuclusivo of the existing tit right bumf in the quantity of approximately 2 c.f.u. i field investigation revealed that the proposal is to dorclop spring' in the ic,-dinte area the present point of diversion. Uxicting stream flows passlag chu area will still be .,used and proceed down SprhUgbrook Creek, 'ill, b 1•ulr t .,( Yiahcr acs and the Du�artmen[ ute wilt hnv no obis t tip toot oval of tI( d;vc trrvr,y Ut ei che_lt v of 8� :(ri; ,l ;nintrun Ilea of 2,5 c.r.::. is raa lnt_iinrd u..,r the t_Ut r of tile nor ti Undo tt Ui tU ,b 't i , '2 ttoi the lte{�za S�.h'.rc:[ Wail. PI:rr, N• 1. sse deparnments recommend these commento supersede the direct piotCat filed against th�9 L er rlyht application ton and previously submitted to the Supervisor of Hater Rca'areas. 1 + KuW OF TIIE DIVISION OF WATER RP`;O6'KCES: Plans fo' te.'d Initially. o, vclrticaluJrillyW le istt obeRco,traded to laid En ldeter.0 At this time. initially, minim; the proper method of dove lop:nt nt of the suurcc. Ie is hoped that the seeing source can be develoPetl by means of horizontal collectors inserted in stratified glacial sands and gravols. There is presently installed a 20-inch steel gravity piocllne from Springbruok Springs to the Talbot Reservoirs. This ppelino is equipped with afloat valve which causes a cessation of flow in the line when the reservoirs are full. The pipeline now has a maximum capacity of about 2.31 cubic feet Pc r second. A yu allel ptpoltne will be added provided sufficient water is developed to justify additional transmission (aeilities. The City of Renton enjoys the following IistvJ water rights; Ri+;lit Q mntity-in�rant anaouo Qu:�nritY-•+nnual 1 2.7 c.a (1032 gpm) a ' Surface Water Certificate No. 467 277,g ecre-feet GrVatrd Water Certificate No. 884-D 170'gyu 424.0 " " + „ w +• " 855-1) 263 f.pm i 1676.0 " „ n •,. " 886-U 1040 FPm u n - " 857..0 1040 gpm 2000.0 u n p " 3591-A I100 B 512. pm 0 512.0 " 0+ 7569-A 720 F.Pm 240.0 " u 1 n " 3770-A 150 gpm „ w Permit " 7594 1500 bpm 2420.0 70.0 u , ' ,• 7691 1600 gpm 25 ,. a •' " 7692 2250 gpm 32210.00.0 „ " 7681 20no av"i. Tolle 12,665 gPm 17,399.5� + No annual values were being assigned by Ellis office at the time this filing was trade. a* 7661.8 acre-feet primary right; 9737.7 acre-feet supplemental right. Tbo planning, Commission of the City of Renton in P.•bruary, 1965, "unpilcd a report of ' population characteristics for tl,e Kenton Urban Area. This report indicated a 259.6 tieper cent increase in Pupulaticfor for rhEhOPc City otdRvntuntprepBared by Cornell,sllowland report an the ten, water Y 1965. postulated that the city, by 1985, would ,laycs and Morryfield (CN2PQ, October, incrcaso its water service to a proportlonato population increase, or opproxEmutely 57,000 yerbons. CHI M indicated thus tl.c coabined residential and coesnvre Wl usage by •+ The report by 2 . o check in the the city in 1964 nppraxfm+tt,•d 100 4 Inklio prt' rapers per Jay. A •P E µcalker Itowm, ou'1 Itenlrot Itlll nrepy Uultv,hvl a per puplto cun:,wnptlun of 111 µallmW yet day. Rupearch into ppr enplta water dr,vundp 4+ Gen ioru Wm+htnµLt+n (Drunumably by C112`9 has shown an averagu demand of 120 gallons per day. An independent study conducted by this office has resulted in a 511 Uttly higher figure, 140 Lallans per capita per day; however, all heavy industrial demaods were included in our study. ore used by C1128 appears to the writer to be very real- The suCCosccd120 g/cM fig •,' istic and is used as a basis for the quantity rccW-VIcndatfons. Consequently, the annual de®and is calculated to be 7661.8 acre-feet for tho projected 57.000 population. , The continuous diversion Jf 9.26 c.f.s. would result in at annual volume of 6631.6 acre-feet, Although approval is herein Crautcd for the dovelo lent of theltentfre 9.28 c.f.s., it is the •writer's opinion that difficulties in d4voloping a quantity r— be encountered. In view of the fa,t that the city already haw an existing certificate of water right for 2.70 c.f.s. on this spuice, 2,30 c.f.s. as Krau tcd under this alAt ile is be considered as a /upPleawutal right and 6.98 c.f,s. As primary right. thought best to include the quantity granted under the original right under this filing since there may be some quo ution as to the validity of Certificate No. 463. •� The City of Renton was enjoined from using the waters in question in 1932 by the Ring e order contained harc btile en 1 defendant- County Superior C,,ort. Th oinnd from using the w..ters under ' respondent City Renton be, and ft is, y said permit No. a. . (now Surface hater Cert iEigatc No. 463) until such time as they hove acquired the right by purchase or by conderv,at ion as provided by law," The Washington State Supreme Court affirmed the dcclsion of the lover court. There is , no evidence in the files of this officu to indicate that the injunction was dissolved. In view of ti,e fact that the City of the totallJo water verslon La totalling 7761.0 acre ' feet under existing primary rights, '• _approved as a totally supplemental right. '•' As provided under Rew 43,21.130 and 90.03.360, a master coact shell be installed in this system to measure the total amount of the diversion. , Use of the Willits to be appropriated under this application will be for a public water supply. Stale board of 1lcalth rules require every ewer of a public water du 1y to obtain written approval from the State Director of health prior to any new construction or altelntions of A public wstet rl Pply, The applicant in udviocd to contact the UashinI.Lon State Departrcnt of ltualth, Fourth Floor, Publi Health Building, Olympia, I with retard to the neOL for cealplinr,ce. In aecardance with Section 90.03.290 kC11, I find that there is water available for appropr Satiml from the source in question and that the diversion proposed in the . I application will not LlaPu it exiu clog rights or be detrimental to the Public welfare. Therefore, pctcait should iaeuu as rLcommanded above, subject to eaiating rights and indicated prov.alons. Signed this- a_day of December, 1966 I Wll.l.l ti9 Il. at11't u, l.•J 1,o;:LL , ,{ Uivlulun of haler licsvr.rceu ' .2. CH2* Srol„c R gl",W H 1500 1141h A,,,,,.SE.R<Il,je, Wmhinglnn gM(X)4 :06145.I SOW w" p RUnners emnomists scientists 3 November 1976 89531.A1 City of Renton Publio Works Department lnv0iae N0. 5014 Attention: Mr. warren 3. 9onaaeon 200 Mill Avenue South Renton, waehington sOUSS For enyineerinq aereieee from 25 SOPtawber 1976 throo4h 24 ootobqr 1976, in connaotion with Springbrock epr:m2e Deeign. Profeaaina eerrioee: A. L. 3torbo 9 hre $27S.22 Techn.tciane 33 two 554.48 $829.70 Sapeneee: Reprod.tction _2.20 AMOUNT DUE . . . . . . . . . . . . . . . . 831.40 RETURN THIS COPY WITH YOUR PAYMENT CFi1 , 12XI %otlk Reoon" Of" 11 H I LL 1500 114111 fi.uue.SE.Beilevue. Waild0 a8104 2I61/53-5000 enginneeer pla s nrs economists scientists 11 October 1976 89SSCA1 City of Renton Snvoioe No. 4911 Public Works Department Attention= Mr. Warren G. Goonason 200 Mill Avenue South Renton, Washington 98055 For engineering servioes from 3S earil 1976 through 24 September 1976, in oonneotion with Springbruok Spring* Design. Professional Servioest A. L. Storbo 6 hrs $183.40 ezpensea: Meals/Lodging $3.50 Auto Mileage _ 4.95 _8.46 AIMUT DUE . . . . . . . . . . . . . . . . . g191.93 loh RETURN THIS COPY WIT4 YOUR PAYMENT CHASe.tde Rgland Offi.e HILL1S00 114,h Avenue,SE.Bellevue, Wexhmpeon uWIPI 2061453 1000 ef1g111eP13 plannef5 economists scientists 12 Ma} 1976 09554.A1 City of Renton Public Works Department involoe so. 4397 Atta. Mr. Warrem 0. uo[uiaeon 200 Mill Avenue south Renton, Washington 9LOS> For englneerinV from 25 February 1976 through 24 April 1976, in connection With Springbrook sprin.3a Design. Professional servioesf ' A. L. etorbo 4 bra $122.30 ; F. W. Pita 6. bra 168.61 $270.71 Rapsnses: Printing 8 13. >> Telephone 13.12 supplies 5.70 32_77_ AMOUNT DUE . . . . . . . . . . . . . . . $303.48 tit RETURN THIS %OPY WITH YOUR PAYMENT CH2# k•ul& Re0kw orAx O �H'� 150D I141h Avmw,RE,bellevim. Ma�HmQwn ;rxtkH 2UW453•Som i't/KintWS planners ecOnUmists scientists 26 March 1976 City of Renton i9SS{.A1 Public Works Wpartrnt Lovaiee lYp, i1t6 Attns Mr. Warren G. Uonnason 200 Mill Aveq$Aa ioeth Anoton. Washington 90055 For engiaeesinq from 25 January 1976 through 24 February 1976, is caineotion with 6pringbruok ipringe Design. Professional Services, A. L. Otorbo 29 hra i 966.64 offios 1 ar l0.IU S 896.76 Sxpensasr Photo l.ab 6 i3Ou Printing 97 Postage F Freight 5.90 Transportation 12.25 Wald processing 45.10 Talephone 66 2p0.1U AMOUNT DUB . . . . . . . . . . . . . . . / 177.11 rt RETURN THIS COPY WITH YOUR PAYMENT CHAs.tdo aromw Off" H' 1500 114th Avenue.SE,&Ikwt, WAhmiitmt 4� li 2W453,M engtneerx planners economists scientists 26 February 1976 09554.A1 Cityy of Renton Invoice No. 4111 3glic works Deparemsat Attnu Mr. IIkman 0. ®oanason 200 Mil!. Avenue South Renton, Washington 911055 For engineering from 26 Deoelabar 1975 through 24 January 1976, In connection With 0pringbeook springs design. Professional servicest C. W. Walker 2 hre j 63.45 A. L. 9torbo 32 a 979.37 F. W. Pita 4 . 99.96 Technicians 30 503.60 Office 1S 135.13 $1,779.59 Espansest Printing 1323.10 Computer 217.15 Transportation 13.93 Word Processing 39.30 592.50 ANOM DUE . . . . . . . . . . . . . . . . . . . 2 171.09 dk _%'4J�orSfe�'v So. J-'S-7v RETURN THIS COPY WITH YOUR PAYMENT JH2A Seat& sej"W attaa 0 HILL''� 1500 114U Aftil..SE,Hdn,ro, WnhM91M 98004 1H1 20ti/453-5000 engineers planners economists soeMiSts 19 January 1976 B9SH.a1 City of Menton Lnvoioe no. 4042 Poblie Narks Department mul oft. mess,`! 0. OeintsOu 100 Bill Avenue South Mama, Washington 90055 for NOipsering from 26 November through 25 December 1975, in eacNBl Bp with Bpriugbreok Bprings design. Professional Bervicss: R. G. Zlliott 2 he* S 113.41 c. N. walker 1 ` 29.50 A. B. Barnes 6 172.57 A. L. atorbo Ss 1,601.64 B. L. Foster 2 53.42 L. L. Aragon /4 332.92 F. N. #its 7 1Ss,20 J. P. Thielemann 19 410.65 Technicians 131 2,146.30 office 70 721.91 $5,790.66 BrpenNe 0 mrs" $ 139.so 16.48 Bgntymmrst t1N i 3.14 �B�saM . TranBporlatift _ 14.40 _ 129.32 A kNM o0t . . . . . . . . . . . . . . . . . . . . 6 0$ ' 10.00 dk r a(/ RETURN THIS COPY WITH YOUR PAYMENT CH2A SNt& Repbn i olfke • ®H I 1500 1141h Avenue.SF,Scitme, Wuhmptm QP004 �l LL 2W453•S000 engineers planners economic. scientists 19 Decemaher 1975 89554.A1 City of Renton Invoice ft. 1f55 Public Works Department Attn: IBC. Warren O. Oonaeecc Public Works Director 200 Rill Avenue Routh Renton, Washington 98055 Tor anginsering from 25 October through 25 Wmettber *175, in connection with Rpringbrook Springs Design. Profassivnal Services: A. D. iarnes 2 Are 5 57.53 A. L. 1�torbo 71 hra 1,960.62 M. D. 6.bb 23 hrs 446.25 N. K. Nelson 4 Me 56.12 Office • hre _ 41,..03 $2,563.55 LXpenrq t Gaeput inq 6 117.92 Printing 1.40 119.32 AMOUNT DUN . . . . . . . . . . . . . . . . . . 62,662.07 gh - Ar RETURN THIS COPY WITH YOUR PAYMENT CHA ketae Re01W Oft, • "00 Iltkh A-nw,SE,&Ilev", W#shingion I)StM 206It535000 engineers pUnnen economists scientists 12 Novesber 1075 City 6095b6.A1 PsblicfWork* W Partnent lnwioe No, 3433 Attnr fir. Mama Q. Oonnason Public Works Director 200 all, Avenue South Nsnton, Washington 9s055 For engineerlag through 24 October 1975, in connection vith SpriAgbrook spring* Design. Profea1104a1 servioaer A. S. Darns 1 hi ►. 6. Janes, Jr. 2 hra 1 35.13 A. L. storbo 21 ors 60.10 D. C. Martin 6 hre 579.90 S. 0. Sweatt 160.27 Office 4 hre 60.86 3 hrs 32.Od $920.91 s+tpensee� lZl�stlag plssat Vse 37.62 •now • Meal 5.00 9bg. supplies 2.16 6�00 $ 51.37 AV=" Dl2 . . . . s� 21, RETURN THIS COPY WITH YOUR PAYMENT Oct. 3, 1975 CR & J-215 Ic js$Qd1A$ iw.. GEOTECHNICAL ENGINEERING City of Renton Public Works Department Municipal Building 200 Mill Avenue S Renton, WA. 98055 Attn: Richard C. Houghton Re: Feasibility Study Additional Water Development at Spring Brook Springs Renton, Washington Gentlemen: The soil samples obtained during our suhsurface exploration for the above referenced project nre currently being stored in our Seattle laboratory. Our practice is to discard these samples after completion of our report unless notified to the contrary within 30 days after submittal of this letter. Should you desire to retain the samples, please notify us at your earliest convenience. They can be picked up at our Seattle laboratory or we will be pleased to arrange COD shipment. Sincerely, HART-CROWSER & ASSOCIATES, INC. C. 1KOWht.K IF Professional Engineer vp RECEIVED OCT ; 1975 n5 N E.NORTHLAKE WAY,SEATTLE.WASH 58105.12W1933-23T3 1YASHINGTON PLAZA SUITE I4I4.TACOMA,RASH 2NO2.(205)SU-MM TOLL FREE.1206$11M-0924 i & GE"TECHNICAL.ENGINEEPoNG WASHINGTON PLAZA,SMITE 14/4.TACOMA WASH SIM02.Q00 ST2.3150 TOLL FREE IMSISSS484 DATE INVCICE NO W 0 NO PLEAS{ AVVAN CANARI C011 WIM PAVMENI PROFESSIONAL SERVICES CHARGE CREDIT tlALANCE I PLEASE PAY FROM INVOKE-THIS IS A PROFESSIONAL SERVICE BILLING AND IS DUE AND PAYABLE ON RECEIPT I% • J-215 July 30, 1975 assodafts ow. GEOTECHNICAL ENGINEERING City of Renton Public Works Department Municipal Building 200 1,111I Avenue South Ren'con, Washington 98055 Attn: Richard C. Hnu.hton Re: Rorings at Sprirgbrook Springs Gentlemen: Initial field explorations at Sprinebrook Springs. consisting of four hackhoe-excavated test pits along the front of the upper dam, were completed July 21. 1975. The pits disclosed sandy gravels underlain by h mixture of clayev silts. sands, and ni Pits zravewerennotot cdeepnenoughctosdiscloses the e�the of the dam. The test foundatinn materials under the dare and considerable seepage into one of the test pits probably Indicates leakage through the dam. Recausc of these facts we feel that five 40-Coot borings he drilled to determine: 1. Type and depth of materials underlying Lite dam. 2 A pro;lle of these materials along the front of the danl and perpendicular co the dam. From this lnfnrnation recommendations will he made concerning the fcasibillty of repairing and/or reconstructing th- upper dam, in addition to design considerations for possible methods to complete the repair and/or reconstruction. We believe that this additional work will cost approximately a2840 with the following breakdown. Drill Ills Rental (n) 40-foot borings c 15011. 10':,, Mark-up on subcontracting 150. Field Engineering 690. office Engineering " TOTAL $ 2840. 11tFIVED 705N E NOPTH LAKC WAY SEATTLE.WASH 96106.120S16312373 JUL 31 WASHINGTON PLAZA,SUITE I414 TACOMA.WASH 964M 19061 57 2-51% TOLL FPEE'(2661626062A City of Renton J-215 July 30, 1975 page 2 However, we feel that the monies for rental of the D-4 cater- pillar are unwarrented and therefore will be deducted from the total cost as follows: Original Work Backhoe to be supplied by the City of Renton No cost Rental of a D-4 caterpillar tractor $ 500. Field Reconnaissance (5 days - engineering 1464. geologist; 4 days - engineering aid) Laboratory Testing 200, Office Engineering and Report q60. Graphics and Reproduction 400. $ 1524. Deduction for D-4 Caterpillar Tractor 500) $3024. Original Work $3024. Additional Work 2840. TOTAL $58b4. If you agree to authorize this revised schedulr of work and costs as Riven above please have this letter signed by the appropriate authority and return a signed copy to Hart-Crowser 6 Assoc. , Inc. We appreciate this opportunity to submit this oroposal and look forward to your favorable consideration. Should you have any questions, please call at vour earliest convenience. Sincerely, HART CROW1,FR & ASSOCIATES, INC, ;lvdrogeol ogi•fit CH01 • CAG 038-75 RHILLSuppl.M1-75 e In" s'n 18 July 1975 planners economsts scientists S 824.71 Public Works Department City of Renton 200 Mill Avenue South Renton, Washington 98055 Attention: Mr. Richard C. Houghton Utilities Engineer Gentlemen: Subject: Springbrook Springs In response to Mr. Ronald L. Olsen's requeut, we are revising our proposal to design improvements at Springbrock Springs. The following proposal is essentially as outlined in our 7 July ' 375 letter except that phase one, preliminary Feasibility Study, i3 excluded. So that our revised proposed work can be identified in this one document, pertinent parts of the 7 July 1975 letter are repeateu herein. PREDESIGN STUDY This work is designated as a separate phase in order that the proposed design characteristics can be reviewed by the City before final design begins. Specifically, we would: • Define the work necessary to stabilize the slope at the east end of the collection area. • Define design characteristics of drain systems in the ravines behind the collection area. • Investigate by test excavations in the collection area and, by observations, evaluate the condition of filter media and underdrains. • Estimate costs of improvements with sufficient accuracy to compare feasibility of any alternatives. • Provide conclusions and recommendations for improve- ments. Hart-Crowser and Assoc. is under contrast with the City to conduct a geotechnical survey in the study area. We suggest ■ nun iu,e Public Works Department Page 2 18 July 1975 S824.71 that the survey be completed as soon as possible so that our investigation of the filter media will not interfere. An early completion of the survey would also allow us to design the survey's recommends: improvements. FINAL DETAIL DESIGN This phase consists of the design of improvements and prepara- tion of plans and specifications suitable for construction. Design of improvements to the upper dam to prevent leakage, if any, and lower dam improvements will depend upon completion of the geotechnical survey. Specific services are: • Prepare bidding documents, construction plans, specifications, and construction cost estimate as customarily made available for construction. • Process documents with the regulatory agencies concerned. • Meet with City representatives and Department of Social and Health Services when requested. SERVICES DURING CONSTRUCTION These services beqin with bid ooening and continue, as needed, through the construction project. Specific services are: • Assist in receipt and tabulation of bids; report results and assist during contract award. • Visit construction site periodically to observe progress, workmanship, and compliance with plans and specifications. • Review shop drawings, diagrams, catalog data, schedules, and samples which the contractor may be required to submit in compliance with contract documents. • Make final inspection of construction jointly with representatives of the City and submit final report upon which final settlement and termination of the construction contract can be based. • Upon completion of the work, prepare and submit two sets of record drawings. Public Works Department Page 3 18 July 1975 S824.71 Because the extent of work will be uncertain until after the preliminary phase, we suggest that the preliminary design be done on a salary cost plus expenses basis. Our charges would be as outlined in our I May 1975 letter (Engineering Services for Miscellaneous Consulting) to dr. Warren C. Gonnason. When these first and second phases are completed, the remaining scope of design work will be known and a fixed fee can be neqotiated. Because services during construction are related to the contractor's performance, we suggest that our costs for construction services be on a salary cost plus expenses basis. If this proposal is agreeable, please return a signed cipy for our record. If further information is needed, please call me. We are looking forward to again working for the City. Respectfully submitted, D. Collins Martin For tti.0 City c ` {tenton: MAYOR A'rTEST: /I ZAti_d 0 2 'u GLOW CITY CI.ERK Dated this �day of July , 19 75 brm July 10, 11?s Kr. Ronald D, Hart, President NART-CRUWSER i ASSOCIATES, INC. Washington Plata, Suite 1131 Iacono, Washington 98402 Dear Ron: Enclosed is the executed agreement for professional services In connection with the feaeloillty study for development of additional water production from Springbrook rlags. This will constitute your authorisation to proceed with the work in accordance with the letter agreement and in accordance with the supervision of Mr. Richard G. Houghton, Utilities Engineer. Sincerely, WARRI'N C. (-)NNA.�,)N, P.I— Public Works Director WCG:c all cc: Vitichard Houghton July 7, 19 MA6. & assoclatm 1 '15 inim GEOTECHNICAL ENGINEERING City of Renton Public Works DeQsrtment Municipal Building 2110 "li' l Avcnue South RenL,n Washington 98n55 Attn: Richard C. Houghton Re: Feasibility of Developing .ddi.tional Water Production from Spring Brook SprLngs Gentlemen: In accordance with your request we are ploastd to present herein our cost proposal -or the referenced project. ,lased upon our recent. meeting and % ,sit to the :spring brook Springs site, ,Ir understanding is that their present water production contrihutes approxi... �Li ' 2.2 nSllion Gallons per dAv t.o the r.i.Cv of Renton's water supply. The <prIngs f'ow frorl :;urface elevation 2C,. higher than the clty of Renton, thus ent.hl.Ing the + iLy to 1.,tillec this water without pumping, thereby insuring a large and reliablk: source of water a-en in tht event of an emergency power breakdown. Th!s "head" adrantaga, cLc. has led the CiLy's k. msultnnt, C112M. C:1 resole+.end th,, +,veIoprlent of a drilled welt in Lhe ilamedlatc area of the springs with hopes of high capacity artesian flow. Within the past few .•k-tks this well was drilled by Hnruld Mcvtr Drilling Co. undt.r the supervision of engincers from CUM, unfortunately the expected productlon proved to he mavailahle. Ot, Friday. Aori ' il , the undersigned, in the curipany of 'darrun Connason and Richard Houghton, visited the Spring 'rook springs site and observed what al+pears to he corsider- tide icak,ae+ bypassing the collection system construct:kl in Ikt6y. One phase of this tnvesti.gotinn invoices A study of the yeas-,n for leakage anti loss in the exiseing system. If, as suspc:L.Led, water Is leaking around or beneath the concrete cutofr will , we, should be able to confirm this condition with 4 or 5 relatively shal'ow test pits placed •dons the dowlt- strearl toe of the wall. Pleaometers pl^ced in Lhoss test pits would be ut.lilized to monitor the areas of axinum leakage. (In the basis of data obtained frorl the List pits and piezometers design criteria for an ndditiona', section of wa' I or a seal AL the bot[a of the exis0 nc w•.11 t� ertrap the ln�t flow houA I.e possible to develop. 10S N.E.NORTH LAKE WAY,SEATTLE.WASH W05,Ia7SI 042513 WASHINGTON PLAZA,sLKTF 1414.TACOMA.WASH.%4M.i2061572 Si.% TOLL FREE.MM 05-004 City of Renton Ju'y ' 1 -5 Page 2 In addition to the water that is being lost from the ir:i ediatc aree of the springs there art other springs nearby which appear to be suitable for additional development with new horizontal drains. In some instances they are at elevations which would require pumplog upp to a stand pipe reservoir prior to being Introduced into the existing 20-Inch steel pipe which conducts the water into the -ialbot Reservoir. Curther exploration nav prove the sLte geoto:,v to lie very coa,,- plex, however on our first visit the existence of the springs appeared to be due to a structure' Inu in the generally flat ivinv Glacial outwash materials expostd alone the hillside. Should this first Impression prove to ha correct, the develop- ment 6f more water from the canvr,o n ,rth of :spring Brook Springs and from above and below tht present aquifer could be possible . In order to develop englneerinc design criteria for additional horlrontat drains it would he necessary to obtain a reasonably accurate und, rsu,ndinc of the groundwater flow system around the area, with particular attention to the structural reasons for the sprrin;s oxi.stence. To Cain an undirstanding of the structural and subsurface con ditinns we SUV"st a hvdrocaolpgic study consisting of a visual reconnalssance by an experienced encinecring geolotist w,tn w0tild- ria.p the surfae:e...nutcroppings of ^,ravels and slit. *tra� um expo'Sed on each slSlf„ above and bct¢w_the s rings. the ileld work would done with the aid af. acriifl Mbti3#aphs to bt later transferred to a larGc scale topncraphi.e ntap of the area. hue to htavy thickntss of tht orkanle root zone it t u'd he iiressnry to utilize a s+.uall cat to expnve the siratu;�,. on c.,,.lrletlon of the fi, Id work a rt report w ,uld be written to include the following inforn,ai,ion, 1 A sorflcial Geologic 11:1p. 1. W cession of structural wtulca c in thr prolo, t ar, .-. ISLscuss:on of the groundwater flow systec.. -.. Rt,co`nlnendf,t Ions for reporr or r,xonstruction of th, existing upper dam. R�aluatLon of possible rrconst.ruttlon and iorthcr utilization of the lower dam. o. Rveo•j,,endat L ons for a+ldIt tonal <uhsurfacc rxpl orat ion vLA bortncs or other ? . Considerations of the feasi.btlity of additional spring, devc i op�.,�cnt. t lt.:nt On ulv 1975 Paze 1 We believe the above outlined scope of work will, cost approximately $ 1"24 with the following breakdown. Rackhoe to be supplied by the City of Renton No cost Rental of a D-4 Caterpiller Tractor 500. Field Reconnaissance (5 days-eng:.neerine 1464, geologist: 4 day s- engineering aid) Laboratory Testint: 200 Office Engineering & Report 460 Graphics & Reproduction 400 $;i24. On completion of the visual caploralion as Outlined above a naccsaiLV to confirm deeper subsurface condlLkols with I or 4 borings to Obtain three point control m, subsurface strata could exist. The necessity for such work would he discussed after curipletion o� the visual reconnaissance as outl.iml above. if kou agree Lo authorize thin work according, to the. above Outlined scope ot: work and cost , please have this Letter signed by Lht: apprnpriatc authority .And rtturn a sl;;ned copy to Part-tr�:wser A Assoc 1.atcs, Inc. We alyrce.cl.at, this oppportunity to xuh- 7t this proposal anci look forwnrO to your favor-,.te c.onsi,',. rctlon. Should you hake any qucattons, please call at dour earliest convenience. .,. iIotereIy, 'TART-CROWSFN (c. ASSOCi 1'flS, VW. U) V. 11M !'resldcn RAli:vp - r r CHA • 1IHILL ongincei: planner, 7 July 1975 r•umrx»nt. .r irnl nh S824.71 Mr. Richard C. Houghton Utilities Engineer Public Works Department City of Renton 200 Mill Avenue .outh Renton, Washington 98055 Dear Mr. Houghton: Subject: Springbrook Springs Thank you for your 23 June 1975 request for a proposal to study and design improvements at the Springbrook Springs water source. For your convenience, this proposal considers the work in four phases: 1. Preliminary feasibility study 2. Predesign study of recommended improvements 3. Detailed final design of improvements 4. Services during construction At the conclusion of phases 1, 2, and 3, conclusions and recommendations will be submitted to the City and its authorization asked before proceeding with the next following phase. PRELIMINARY FEASIBILITY STUDY This phase would attempt to locate and quantify additional surfacial water that will gravitate to T,4bot Reservoir and to study general alternative Improvements of the source facilities. A surfacial geohydrologic study to investigate additional water is described in our 14 May 1975 letter. The major elements of that description are repeated here. Additional elements related to general site improvement are in response to your request for proposal. Specifically we would: ■ Place four weirs in selected locations ■ Measure and record surfacial water flow rate through the immediate area surrounding the collection system RECEIVED JUL 1975 w Mr. Richard C. Houghton Page 2 7 July 1975 S824.71 ■ Attempt to intercept water in test pits and measure quantity of flow and piezometric head of water seeping around or under the primary collection dam • Investigate by test excavations in collection area, and by observations, evalute the condition of filter media, underdrains, and basin interior ■ Based on the above investigations, estimate available addition surfacial flow and describe alternative improvements to collect it and needed collection system improvements • Study lower dam to determine whether it should be dredged or filled in with a storm sewer bypass ■ Estimate costs of improvements with sufficient accuracy to compare feasibility of the alternatives ■ Provide conclusions and recommendations for improve- ments It is anticipated that City equipment and manpower would be utilized to excavate test pits and construct weirs. PREDESIGN STUDY After the City has considered the alternatives and given authorization to proceed, the preliminary design study would describe in detail the chosen diternative and other improvements specified In vour proposal request. Once the possible alternative improvements have been narrowed to a specific course of action, a more detailed study than was done during the compre- hensive phase will be justified. This phase is inlended to study the selected alternatives In necessary detail for budget estimation, evaluate the environmental considerations, dnd establish specific design criteria. Specifically, we would: • Define the work necessary to stabilize the slope at the east end of the collection area ■ Define design characteristics of drain systems in the ravines behind the collection area • Study environmental considerations and prepare assessment of positive and negative impacts Mr. Richard C. Houghton Page 3 7 July 1975 S$24.71 • Define design characteristics of lower dam improvements • Define design characteristics for selected collection area Improvement ■ Prepare cost estimates suitable for the City's budget purposes • Submit conclusions and recommendations FINAL DC TAILED DESIGN This phase consists of the design of Improvements and preparation of plans and specifications suitable for construction. Specific services are. • Prepare bidding documents, construction plans, specifications, and construction cost estimate as customarily made available for construction • Process documents with the regulatory agencies concerned • Meet with City representatives and Department of Social and Health Services when requested SERVICES DURING CONSTRUCTION These services begin with bid opening and continue, as needed, through the construction project. Specific services are: • Assist in receipt and tabulation of bids; report results and assist during contract award • Visit construction site periodically to observe progress, workmanship, and compliance with plans and specifi- cations • Review shop drawings, diagrams, catalog data, schedules, and samples which the contractor may be required to submit in compliance with contract documents • Make final Inspection of construction jointly with representative:: of the City and submit final report upon which final settlement and termination of the construction contract can be based Mr. Richard C. Houghton Page 4 7 July 1975 SC74.71 a Upon completion of the work, prepare and submit two sets of record drawings Because the extent of work will be uncertain until after the preliminary phase, we suggest that the prellminarti design and feasibility studies be done on a salary cost plus expenses basis, Our charges would be as outlined in our 1 May 1975 letter (Engineering Services for Miscellaneous Consulting) to Mr. Warren C. Gonnason. It should be noted that the above preliminary feasibility study scope is more extensive than the one described in our 14 May 1975 letter. When these first and second phases are completed, the remaining scope of design work will be known and a fixed fee can be negotiated. If further information Is needed, please call me. We are looking forward to again working for the City. Respectfully submitted, � 6k Lti� D. Collins Martin ip Sut1k left w D/fre • � HIli1500114tn Aw,w,SF 6e0evo N,d'unel i.i ry;g7,1 :O6µ91500p M6inet platmrts f'IX7nURtIGI4 It Juia 1f73 ePflt.t0 City of Renton Attu, blrren C. GonMaon. ➢.!. Public iron* Director 200 Mill Renton, Washington 99053 pi' Go npinnerittq sarvicas from 25 A ug April throh 23 May 197Sr useatian with design and supervision of exploratory well "d product&" well. professional sanloe, sow"*" v 1 era $96.61 O3"Inoer ZZ 3 hrs 67.81 s hrs 12,r10 9200.52 Sxpensas. Tolepbone S 2.2f rquipment Dee 10.00 poste9e . . .30 ,.f AMUNT DU! . . . . . . . . . . . . . . . . project Cost to Date $2,667,03 ~�T� Its 1N 1 1?I5 J/ r it RETURN THIS COPY WITH YOUR PAYMENT �9�i1� erne a roLvMnu er eurn.e.K,ux tciN City of 2entcn Vern Church, Purchasing Agent 200 44ill Ave S Renton, We 98055 �I Notice of bid call 3973-R Purchase of metal pipes 67 lines 750 Per line 50.25 ''III N �- 3977 • my d I Affidavit of Publication 111;a,10b aft of 600MR&f CCi41.~ N_ 1Te II o Itaalan 111 n- Hpl iw1.3,wa./ i. n.«n.. .r STATE OF WASHINGTON, IN rlly l brL ('{lT M•�rc1pY1 KING COUNTY—SS. N.elae, � 1'N p, m. Jv«. i1. 1Y44 rum W 40 parc ref'. Sa V at B• e"rrnYeao 1+ ..nan,talv.ms.a aorta plw�. "Malloy ar W IvrcH..l•a i+ The tinders;greed, on oath slats that he to an paaMsa,♦�1.a«bre ma.I I. ;,uthorized representative of The Daily Journal of Commerce. •rlpN LI oe:+'n�a.wal.a u a datly newspaper, which newspaper is a legal newspaper sane•.rinamaxe nua plw1,• of general circulation and it Is now and has been for more 'ri10 nLP ar in• Hrenaa lxa to Ulan six months prior to the daft of publication hereinafter K.tla,tlrtot.'"Y•HI state' referred to, published in the English language continuously walsoNPI14: Me.a�ub•o as a daily newspaper in Seattle. King County, Washington.limes In IM LobpY on �a• nnl and It la now and during all of said time was printed in an r w Ia. ly at%= I office maintained at the aforesaid place of publication of tlnaia ate Milk AYNw a.l eRaa, Reah, Ya.11tnalaa puss. this newspaper. The Daily Journal of Commerce was on the apal/MeN".. te. N aautnua 12th da of June. 1941, a roved as a legal newspaper b '�ft,os r4 n 11,.1 P+n". a the Superior Court of King County g �� 1 A sat. >aw a i too! �Hl't�! Ipwe In sari N 11Yfl1'Yeaeo, r r,"IapM. The notice in the exact form annaxod, was published sn. Ir ofr...00a I.t, la. �rly►l la H1NI am .na."r Kular issurs of The Uall'i Journal i Cs daring tc ,ic low all ia� ew o� wN.n aaF W. regularly distributed to Ns subscribers during the below nMga Su. In lM rorta «r / ♦r'VxnH+•a R ar ma P-t stated period. The annexed notice. a . le too a1NPWi or bo 4I tba InLd w: "Ir'= "°R ": '"a.S:«"T«. �QiICk...LtF..A.IL_C61L Mall N Er. •" lain a«. uelel, aaNM tln Rub nnau" sea rglmw, wu publtehed on ...__.... Pw+Yo WrRn T., 1f .aY. Jtme. 10, 1975 ._. _ ......... WII1N aanitla+a of h!n- InnM1.�,IxYp��ThlH,yaA .MOH .+yysal IfwtMN�l .pa wrllwe tR gafa. of HM. Nora. tla �( •Nloaa1 hharlalN.aaaaMb. ..`N, YbYie.,Y sire aMYY/ n.peM111 nTp111YN1+nl prlMinN. xM i rael I YlM tlblb Hat 1 Subscribed and sworn to before me on MYRE 10l_I975 ___.. . atl«MNi4+aaStr•�uaa 1°er Ira�ri i�I L.. I.nN A. MNA . Nnwr Ptlal IA41" a iIsom. wwninY�,v.. Seattle Rexi wf ORne • �J I 1500 1141h Avenue,SE,Bellevue, Naxhm8tm '15IXM - 1 t .''Odl4sas000 Nf engineers Pkinners I " t, , ecaiomists scientists 9 Nap 7975 City of Renton F8952.10 Attn: Warren C. Gonneson, P v. Public Works Director 200 Mill Renton, Washington `BOSS For engineering services from 25 Marct. 197E through 24 April 1975, in connection With design and supervision of exploratory wall and production well. Professional services! Engineer V 4 hrs $115.06 Engineer II 5 hre M.00 Office 1 hr _ 11_04 $239.10 txpensesl -- Printing 0 1.95 Equipment Uee 2.50 Pottage .50 Drafting c Engineering supplies 2.92 - 7.97 AMOUNT DUE . . . . . . . . . . . . . . . 246.97 Project Cost to oats $2,445.92 - --_ _ bra MAY 13 RETURN THIS COPY WITH YOUR PAYMENT Q q 1975 1500 11411,Awnut,S.E., enIIPY . Wnshupton 98OO4 sww•Aw on.1 oree. /06153 5000 DBitl: 10 April 1975 Client Ret, No: Prolect No: S8952.10 City of Renton Attn: Warren C. Gonnason, P.E. Public Works Director 200 Mill Renton, Washington 98055 STATEMENT For engineering services from 22 February 1975 through 25 March 1975, in connection with design and supervision of exploratory well and production well. Professional Services: Engineer V 5 nrs $143.84 Engineer II 35 l;rs 790.98 Office 2 hrs 16.92 $ 951.74 Expenses: Printing $ .45 Equipment Use 5.00 Transportation 54.75 Telephone 5.30 Hotels 5 Meals 7.32 Drafting 6 Engineering 1 .80 Supplies Environmental Sciences Lab water Analyses 139.00 213.62 AMOUNT DUE . . . . . . . . . . . . . . . . . . . $1,165.36 Project Cost to Date $2, 198.75 jp OUT AND PAYABLE ON RECEIPT OF STATFMENt IINANCI CHAMOIS COMPUTE( BY A PERIODIC MATT Of I: PIR MONTH WHICH IB AN ANNUAL PFACENTAGF RATE Or 12'„ 141'PtlID TO TH( PREVIOUS MONTH f.BALANCE AT TIR ULOUCIINu PAY MINTS AND CREDITS FOR THE CURRENT MONTHI WILL BF CHARGED ON ALL PAS' I AMOUNTS UNLTSS OINFRWISE PROVIDED BY LAW OR BY CONTRACT ART CROWSER & associates b1c. April 16, 1975 Ic GEOTECRNICAL ENGINEERING P-266 ACR 1 " 1975 City of Renton CITY VP,eA Tc1 Public Works Department Municl al Building 200 Mill Avenue South Renton, Washington 9R455 Attn: Warren C. Connason, F.E. Public Works Director Re: Feasibility of Developing Additional Water Production from Spring Brook Springs Gentlemen: In accordance with your request we are pleased to present herein our cost proposal for the referenced project. Based upon our recenL meeting and a visiL to the Spring Brook Spprings site, it is our understanding that the present Spring Brook Springb water production contributes approximately 2.2 million gallons per day to the city of Renton's water supply. The sprin6s flow from surface elevation 206, thus enabling the city to utilize this water without pumping, thereby insuring a large and reliable source of water even in the event of an emergency power breakdown. Thls "head" advantage, etc. has led the C^.ty,s consultant, CH2M, to recom- mend the development of a grilled well in the immediate area of the springs with hopes of high capacity artesian flow. Within the past few weeks this well was drilled by Harold Meyer Drilling Co. Linder the supervision of engineers from C112M; unfortunately the expected production proved to be unavailable. On Friday, April 11, the undersigned, in the company of Warren Connason and Richard Houghton, visited the Spring Brook Springs site and observed what appears to be considerablc, leakage bypassing the collection system constructed in 1966, therefore one stop in the development of additional water from the springs mlghL involve suf- ficient subsurface exploration to determine the reason for leakage and recommendations for construction of additional horizontal drains or construction of a small dam to capture ' ost water. 7%N E.NORTH LAKE WAY,SEATTLE,WASH.98105.(X$I M2313 WASHI NGTON PLAZA,SUITE 1414,TACOMA,WASH 9402,1M51 57 2-51 50 TOLL FREE.Q0615540524 City of Renton Page Two Aril 16, 1975 In addition to the water that is being lost tram the immediate area of the springs there are other springs nearby which appear to be su.table for additional development with new horizontal drains. In some instances they are at elevations which would require pwnping up to a stand-pipe reservoir prior to being introduced into the existing 20-inch steel pipe which conducts the water into the Talbot Reservoir Further exploration may prove the site neology- to be very complex, however on our first visit the existence of the springs appeared to be due to a structural low in the generally flat lying glacial out- wash materials exposed along the hillside. Should this first impres- sion prove to be correct it could be possible to develop more water from the canyon north of Spring Brook Springs and from above and below the present aquifer. In order to develop engineering design criteria for additinnal horizontal drains it would be necessary to obtain a reasonably accurate understanding of the groundwater flow system around the area, with particular attention to the structural reasons for the springs existence. To gain an understanding of the structural geology and subsurface conditions we suggest a hydror,ec- logic study consisting of a visual reconnaissance by an experienced en ineerinw geologist who would map the surface outcroppings of gra- vels and silt stratum exposed on each side and above and below the springs. The field work would be done on aerial photographs to be later transferred to a large scale topographic map of the area. Due to heavy thickness A the organic root zone it could be necess ,ry to utilize a small cat to expose the stratum during the course of this Investigation. On completion of the field work a short report would be written to include the following information. 1. A surficial geologic ma . 2. Discussion of structural geolo flow the project area. 3. Discussion of the groundwater flow system. 4. Recommendations for additional subsurface exploration via borings or other means. 5. Considerations of feasibility of additional spring development. We believe the above outlined scope of work will cost approximately $2900 with the following breakdown. City of Renton Page Three April 16, 1975 Rectal of a D-4 Caterpillar Tractor 500 Field Reconnaissance (4 days; engineering geologist and aid) 1280 Office Engineering 6 Report 720 Graphics 6 Reproduction 400 TOTAL $2900 on completion of the visual exploration as outlined above it could be necessary to confirm deeper subsurface conditions with 3 or 4 borings to obtain three point control on subsurface strata. It would be better to discuss the necessity for such work after com- pletion of the visual reconnaissance as outlined above. Another phase of this investigation involves a study of the reasons for leakage and loss in the existing system. If, as suspected watyr is leaking around or baneath the existing concrete cutoff wall we should be able to confirm this condition with 4 of 5 relatively shallow borings placed along the downstream toe of the wall. Pie- zometers placed in those borings could be utilized to monitor the areas of maxitmmi leakage. On the basis of data obtained from the borings it should be Possible to develop design criteria for an addi- tional section of wall or it seal at the bottom of the existing wall to entrap this lost flow. We believe the cost of this work would be approximately $1988 with the following breakdown. Drill Rig Mobilization 100 Drill Rig Rental - (4) 20' borings 56O Field Engineering 3b8 Office Engineering & Report 720 Graphics A Reproduction 24U TOIAL $1988 In the event that unusual conditions are encountered which appear to require additional study, we would brin• them to your attention and seek your approval for any added expenditures. All of our charges are involved on a time and material basis p,.0icated upon the enclosed fee schedule which is subject to inflationary changes. The terms and conditions of the fee schedule are incur{)orated into our agreement with you; and by your signature authorizing us to proceed, you are acknowledging those terms and conditions. City of Renton Page Pour April 16, 1975 If you agree to authorize this work according to the above out- lined scope of work and cost, please have this letter signed by the appropriate authority and return a signed copy to Hart-Crowscr & Associates, Inc. We appreciate the opportunity to submit this proposal and look forward to your favorable consideration Should you have any questions, please call at your earliest convenience. Respectfully submitted, HART-CROWSER & ASSOCIATES, INC. R 'v LALA D`D. HAR� President leb Encl. 8E associates inc. f FF.. SCHEDULE GEOTEGHNICAL ENGINEERING Pri It 1ppel Engineer/Engineering Geologl St Soil, F:nginat,1l•ginee:ing Geolegl at Laboratory 8 f•ield Technician Graphics Typing I. ,...•ur Per Diem I.'� /hour Mileage /dayy Ke rn+t .I Vm l le Printde Services or 5s •1•:/cnPY At CCst Out lfuheontrattors Cost Plus Ina PAym SCNEOUIE 1•1 11,""s will b, AlAmo tted once A month for services performed ',oring the pr at, month. + will be In, within 10 days of the invelc, date. Interc:+t wli 1. be ndd,d —11.5 in armors at the rate of one percent fit) of the deciininr bm)mot, far h 1, of dslitluem.Y, mat to axceed an annual percentage rate of tv, 1 perctnu. (12%). g If11III 19 nrgY ,moss otherwise agreed, we wlll be furnished right-of-entry on the lar,' ,o make planaad .orin"t, .+In•,Is and Cher esit arattens. Wr will t;%k, rvasonwble prec;,u1 -an, to mini nl:1. Lo, ,. to the Ia it from use of equips.-Tit. but have le,' Included in our fee the cast for r..t"'a lof• 'If d.mage which may result from our oprr.ttlons. If you destro us to restart th, Lkall La Its frrmrr coadlclon, we will accnmPlish this and add the cast to our lt�k .'RAN(.F. W.:r:m,s1•s Camprnsation Insurnncr (and/or Eenpinyrrls tiabJI:ty Incar:In.r) +• n gull roll b.' th, appllcd+ic xtate statutt. I'l9tl I+ tNrll Ili 1,,su Rc F. rtph ra l:rt, IIIv to Pubi It I.inhi Itty + I at Profresi aCrti I.Iahll lay• We let I 1'uhlie II i.d.i llll Iusuraace far bodily injury to a maximum of SSno,n(1n sad -111 b+ t •,out` and will farnish c,rllft,,t,, Ifa refurc un rrpurst. Within 1 •aid trn we, agree to save you harmlesx ' am and again t Jolts. damn¢,, Ir 111biiitt ari. i. ; directly from the negliggant acts or omission, of our+elves, pl u •- oy e aeats 1 o tr atractrs and their emplavees anal agents, if Cur cootracL .r pun hose Ir,i,r pl�t,•s greater rn:Pondbl titles open us or reqquires fort her ineuran,- ` 1 w it .pre flan t)• dl rected by you, will take out eddtttonal insurance (1f I r ,.•: u., nt your oxpen.o. but wo. shall not Cc responsible tar property 1 tar+ m1v .nos, . ,it lulling fire and explosion, heyond the amounts and tnvemges of 1 l .or.u,,,r. 11411\1'I PVn (111 1'Rofly It",A1 IlAhtl ItY •„r,lb 1.-, I.,t,s to PrCfessim,,l Iinbllity and net Public II.thilil 1 r d;1, ,or I .,.fr �ioa.al s,rvicen, wo will use that dtgree of tart, and ,kill Ird I marl lv s —I C I I II n elrLum* iaxr, by e1P,Mlere of our pndexslon. No warranty, rgvrst r Ii,d I.. dr or intended by our Proposal for consulting servlaea, ny our PunLL§hing r I . r wr{u,n I part+, at, lay out inspection of work, however, shauld we at, any of our p r••. ;.i..nvll :+•1 a;r es he fauad to have been neat agent In the pr rfaremltce u1 prat esslouol nrev ood, ,nd breathed any express or Impl led warranty you nkr, - that u,. +hall 1„ jcr t n 11 ull of Your recovery against. us And/or said pert lonol emlN r+\ .I. 1 l t, l 01 the amount „f the fee p;ILI us far prl:l n.,.+l .: "oh lln+nr till tIra P,mernph of th 1. schedule. 705 N E NORTH LAKE WAY.SEATTLE.WASH 96105,(206)633-2313 WASHINGTON PLAZA,SUITE 1e14,TACOMA.WASH %.02.(2061512.5156 TOLL FREE-1206)83E-0B2A }L�9`liZ�l AIR 3- 1975 (i{ I500 I IIM Aw.u,,S.E„ edNw�,Wu6m0�on 96001 s..m.Mewx onr. 2061463-SON H1 11, 1O April 1975 58952.10 City of Renton Att1s Marren C. Connaaou, P.S. Public Works Director 200 Mill Renton, Washington 9805E Tor engineering services from 22 Tabruary 1973 through 25 March 1975, in connection with design and supervision of exploratory well and production well. Professional Serviceel Snginear V 5 hrs $143.84 Engineer II 35 hrm 790.90 Office 2 bra 16.92 W.74 Expenses; Printing $ .45 Equipmeat d" 5.00 Transportation 54.73 Telephone 5.30 80tels 6 Weals 7.32 Draft#m9 i Sagineering 1.90 Kppl as Snrironmantal Sciences Lab Maur Analyses 139.00 213.51 A110DNT DVS . . . . . . . . . . . . . . . . . . . f 1 16S.3i Project Cost to Date $2,198.75 1P K] URN THIS COPY WITH YOUR pAYIV'-ENT r., CMM Mill I1900 174rhAwnu,.S.F.. BNMw,.WnNnpwn 98MA wnr+W.wa o,no. za;!osa scow HILL! 19 4arah 1975 Rd952.10 City of Renton Attu& Marren C. 0ounason, P.S. Public Works Director 200 Kill Winton, Washington 98055 Far iawcing services from 23 January 1975 throkWh 21 Petssary 1975, in commotion with design and supervision of exploratory will and production Wall. Professional Servicese sagiaeer g 1 nr B 26.71 Engine" II 9 hra 203.40 Office 1 hr 9.20 $241.38 Expenses, 6quipaent Use 2.50 Transportation 17.10 TelophorA __SS 20.46 AMOUNT DUE . . . . . . . . . . . . . . . . $261.96 Proieat Cost to Date $1,033.59 Sspend4ta-a Approved To 1,500.00 9k1 RETURN THIS COPY WITH YOUR PAYMENT JAN 3 474 CH2M ..,. N 9�A E� CLAIM Hit L / l 1500 11"m Auenua,S.E, Benema,WUN Von 98004 srna fl p...I off".HILL I05'A535000 Dale: 7 January 1975 Client Ref.No: PTolect No: S8952.10 City of Renton Attn: Warren C. Gonnason, P. E. Public Works Dirictor 200 hill Renton, Washington 98055 STATEMENT For engineering services from 26 \�vember through 25 December 1974, in connection with design and supervision of exploratory well and production well. Professional Services: Engineer v 11 hrs. $290.18 Engineer II 9 hrs. 177.51, Office 1 hr. 9.35 $477.04 Expenses: Postage $ 1.50 Transportation 24.90 26.40 AMOUNT DUE . . . . . . . . . . . . . . $503.44 Project Cost to Date S 783.44 Expenditure Approved To 1.500.00 sh DUE ANOPAYABLE ON RECEIPT Of STATEMENT. FINANCE CHARGES.COMPUTED BY A'1RRIOOIC RATE"OF 1%PER MONTH WHICH IS AN ANNUAL PERCENTAGE RATE OF IE%IAMUEO TO THE PREVIOUS MONTHS BALANCE AFTER DEDUCTING PAYMENTS AND CREDITS FOR THE CURRENT MONTHI,WILL BE CHARGED ON ALL PAST DUE AMOUNTS UNLESS OTHERWISE PROVIDED RY LAW OR BY CONTRACT. my L(1j tI.HRLVIARD"VISAMIRNTIIIIII eh,.ur. LN,:n U,.tw,y.1,: troth ALL N I Date: 10 December 1974 Client Ref.No: Project No: S8952.10 City of Renton 200 Mill Renton, 19ashington 98055 Attn, Warren C. cionnason, P.L. gaE,,t.. wn.l•c �,.«,.. _...�- _-ems.-=., STATEMENT For engineering scrviccu front 25 uetubcr through 23 NovcmE:er 1974, in connection with design and supervision of exploratory t and production well. Professional Services: Engineer V 3 hr:;. > 79. 13 office 2 hr,. 20.54 5 99.67 Exponses: Equipment the 5.00 'francportalion 1.00 Il.00 31Nougr DUL . . . . . . . . . . . . . . . . . $ 107.0 bb IaL, DUE ANDPAVABLE ONRECEIPI OF STATt Mt NT IINANCL CHARGES.CUMPUtEDBY A"PERIODIC RATE OF t\PERMONTHWHICH IS AN ANNUAL PERCENTAGE RATE OF I^ APPL IF TO THE PRE VIOUS MONTHS BALANCE AFTER DEDUCTING PAYMENTS AND CREDITS FOR THE CURRL NY MONTH),WILL NE CHARGED ON ALL PAST DUE AMUU ITS UNLESS UT HE RWISE PROVIDED BY LAW OR BY CONTRACT 'CN l "M&Ss Crw 8,,4 M 1 6 MIRR'FRN E;RMESS CR'iR BUMuQ.177�11!6t�A:e N E.BIhWF.WFs^IIrylon 9800E,T/ 206.10550500 s....I.Awl—1 orrk. MIL f Oate:6 November 1974 L. Client Ref.No: I." .yaa Project No: S8952.10 City of Renton ?00 Hill Renton, Washington 98055 Attn: Warren C. Gonnason, P.E. STATEMENT For engineering services from 25 September through 24 October 1974, in connection with design and supervision of exploratory well and production well. Professional Services: Engineor V 6 hrs. $158.2n Expenses: Printing 2.36 AMOUNT DUE . . . . . . . . . $1.i0.62 sE 4w1&51/3.t.44 PT OF STAY iMll MY, FINANCE C`IA"G1S,ODW6V A."' FL"C"YE"OF RANAND PAYABLE ON ANNUAL PERCENTAGE I RATE OF J^IA"LIED TO THE PREVIOUS MONTHEE BALANCE AFTER DAOUCT NO EAVMENTE AND�N CREDITS FOR THE CURRENT MONT HI.WILL BE CHARGED ON ALL FAST DUE AMOUNTS UNLEW OTHE RWIEE PROVIDED BY LAW OR BY CONTRACT. 1 N T R R 0 F P I C I COARKSPONDENCS yta Septembar 23, 1)74 TO: Warren C. Gonnason Fppal: Richard Houghton SUBJICT: Springbrook well Contract by CH2M We have reviewed the proposal and agree with it. Because of the time considerations we feel we should have it approved and go ahead with the project. 1, RCtl:l�l i CCNNEh.NeglllNL 1UEEi a WARINFiEla BwMng.71) I06:h he N f Bellme.Wnompion B60W,Ttl 206/155050U s.a."s a"mm.l oaK. ;wriu motto rto-^.+xl 6 September 1974 S712.71 City of Renton. Renton Municipal Building 200 Mill .canton, Washington 98055 Attention: Mi Warren C. Gonnason, P.L. Powlic Works Director Ger.t 1 emen: Subject: L'ngineering services--Proposed Drilled Well, Springbrook Since our meeting last week, we have considered the most desirable way to proceed with construction of the new production well at Springbrook for which the City has been offered financial assistance under Referendum 27. The well is part of other work which will be performed at the site when there is assurance that additional water c n be developed in an amount to justify the cost of the improvements. It is our opinion that the well should be drilled in two stages, the first to obtain reliable field data from which to design the production facility. At a meeting held on the site in 1967 with Richardson Well Drilling Company , it was felt that the most equitable method of payment, and the most economical for the City, would be at an agreed hour?v rage after move-in with a basis for paying for materials such on well casing. In view of the uncertainties of the work, we are in agreement with this approach rather than setting up a schedule of unit prices for hard-to-anticipate construction items. We therefore i,elieve the Lest way to pry-Deed would be for us to prepare contract documents based on a "pe rormance type specification" rather than strict specifications for a predesigned well. We suggest, upon receiving your authorization, a meeting onsite with Mr. H. 0. Meyer. an experienced well driller in this area, before completing the performance specifica- tions. We have already discussed the project with him. We would prepare the contract documents for the lump sum fee of $1,500, including all preliminary work such as the site meeting. City of Renton • . Page 2 6 September 1974 5712.71 Our services thereafter would be provided on the same per diem plus expense basis on which we have previously worked with the City on jobs where the engineering effort could not be closely predicted. Most of the work would us performed by myself at a daily rate of $230, prorated for time actually spent on the protect. If less qualified staff can be properly utilized, the cost to the City will be correspondingly less. Mileage traveled during th, work will be at the rate of 15 cents per mile. We believe the hourly basis for constructic., a: d supervision will be the most ---onomical for the City. We anticipate that the City will be aide to exercise some control over drilling progress by visits to the site when our presence is not essential. It is our premise that the minimum amount of money -hould be spent on the first-stage work until an economical v-lume of water, sufficient + justify further eonstructicl. expenditure at Springbrook er eventual replacement of the transmission pipeline to Talb,., has been proved. Should the results of first-:,tags drilling be disappointing, serious consideration should be given to abandoning t. • source and obtaining additional water from the Cedar River alluvial fan or elsewhere. It is our understanding that the City has resolved the water rights problem and that drilling can pro, 1. it may be desirable to check with the Department of Social any Health Services that there is no problem in starting the work or designating it "first-stage construction of a production well," and that environmental concerns will not hold up the project. Care must be taken during the work that cause for claim is not given to downstream users. It would be desirable for a budget figure to be agreed for supervision of the work, and we suggest that this can be established after obtaining a time estimate from Mr. Meyer. If you are in agreement with this letter, it can form an agreement between the City and ourselves by signature in the space provided below. Should you so require, a more formal engineering services contract will be prepared. Respectfully submitted, nntony $. Barnes Project Manager Signed for City of Renton BY Title Public wcrKs Director Date eptenber 23, 19%4 • j Callum NOraaaa IMr[t a 011"" U11 \. �� 9ua++t Cr+�BuiM4 L. �U6tl+b N E.tldeue.Wn�rg�a,�� IY ?OBNSS�SCO wni.n.a,o.W ons. 6 September 1974 S712.71 City of Renton Renton Municipal Building 200 Mill Renton, Washington 9BO55 Attention: Mr. Warren. C. Gonnason, 2.E. Public Works Director Gentlemen: Subject: Engineering Services--Proposed Drilled Well, Springbrook Since our meeting last week, wa have considered the most desirable way to pr. , ced with construction of the new production well at Springorook for which the City has been offered financial assistance under Referendum 27. The well is part of other work which will be performed at the site when there is assurance that additional water can be developed in an amount to justify the cost of the improvements. It is our opinion that the well should be drilled in two stages, the first to obtain reliable field data from which to design the production facility. At a meeting held on the site in 1967 with Richardson Well Drilling Company , it was felt that Lite most equitable method of payment, and the most economical for the City, would be at an agreed hourly rate after move-in with a basis for paying for materials such an well casing. In view of the uncertainties of the work, we are in agreement with this approach rather than setting up a schedule o :nit prices for hard-to-anticipate construction items. We thercfore believe the beat way to proceed would be for us to prepare contract documents based on a "per(ormance type spec'fication" rather than strict specifications for a predesigne' well. We suggest, upon receiving your authorization, a meeting . _'to with Mr. H. 0. Meyer, an experienced well driller in :tie aret, before completing the performance specifica- tions. We h. •e already discussed the project with him. We would prepare the contract documents for the lump sum fee of $1,500, including all preliminary work such as the site meeting. city of Renton • Is Page 2 6 s-ptember 1974 S71­71 our s, ices therea:ter would be provided on the same per diem plus expense basis on which we have previously worked with the City on jobs where the engineering effort could not be closely prodreted. Most of the work would be performed by myself at a daily rate o: 'a230, prorated for time actually spent on the project. If less qualified staff can be properly utili red, the cost to the City will be correspondingly less. Milecle traveled during Lh,: work will be at the rate of 15 cents per mile. We believe the hourly Lab. for construction and supervisiori will be the most economical for the City. We anticipate that the City will be able to exercise some control over drilling progress by visits to the site when our presence is not essential. It is our premise that the .ninimum account of money should be spent on the lir:;t-stage work until an economical valume of water, sufficient to justify further construction expenditure at Springbrook and eventual replacement of the transmission pipeline to Talbot, has been proved. Should the results of first-stage drilling be disappointing, serious consideration should be given to abandoning the source and obtaining additional water from the Cedar River alluvial fan or elsewhere. It is our understanding that the City has resolved the water rights problem and that drilling can proceed. It may be desirable to check with the Department of Social and Health Services that there is no problem in starting the work or designating it "first-stage construction of a production well," and that environmental conrorns will not hold up the project. Care must be taken during the work that cause for claim is not given to downstream users. It -would be desirable for a budget figure to be agreed for supervision of the work, and we suggest that this can be established after obtaining a time estimate from Mr. Meyer. If you are in agreement with this letter, it can form an agreement between the City and ourselves by signature in the space provided . slow. Should you so require, a more formal engineering services contract will be prepared. Respectfully submitted, Antony . Barnes Project Manager Sign. + for City ,f Renton , by ,title Fublic Works Director Date September 23. 19'd e � septwber 11, 1974 Mr. Antony B. Barnes Project manager CElk 777 106th Ave. N.R. ► Bellevue. WA 99004 Subject, Engineering Services—Propoead Drilled well, Epringbrook Deer Mr. Pameei Enclosed please find the ef•ned agremmt between the City and yourselves regarding above referenced subject. Ilease do not hesitate to contact this office should queatione .rise. ve:v truly your., wo"M C. Cwnaaon. P.E. Iublic works Di"ctor Eic►_d C. Houghton Utilities Engineer BCM IPnp Attachn"t ENDING QF FIL FILETITLE UP o� tea , (2oglW4tAA)�s �- Q ¢ReemeN'/'S