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PROPOSED MAY
CREEK TRAIL
20 40
SCALE: 1" = 40'
-PARCEL SIZE: 3.09 ACRES (134,531 sF)
-WORK AREA: 1.50 ACRES (65,352 SF)
80
-ORGANIC MATERIAL TO BE REMOVED FROM SITE & DISPOSED IN AN
APPROVED LANDFILL FOR TRAIL CONSTRUCTION IS 250 CUBIC YAROS
(372 TONS). QUANTITY TO BE VERIFIED BY CONTRACTOR.
-GRAVEL BORROW TO BE IMPORTED FROM APPROVED BORROW FACILITY FOR
TRAIL CONSTRUCTION IS 230 CUBIC YARDS (370 TONS).
-FINE BARK MULCH TO BE IMPORTED FROM APPROVED BORROW FACILITY FOR
TRAIL CONSTRUCTION IS 92 CUBIC YARDS (138 TONS).
LEGEND
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* @
C0
(3224059081)
DECIDUOUS TREE
CONIFEROUS TREE
STORM DRAIN MANHOLE
SANITARY MANHOLE
TAX LOT / PARCEL NUMBER
ROAD CENTERLINE
EDGE OF PAVEMENT
EASEMENT LINE
-,-'-'-
PROPERTY BOUNDARY
EXISTING RIGHT-OF-WAY LINE
CREEK CENTERLINE
ORDINARY HIGH WATER MARK (OHWM)
WETLAND BOUNDARY LINE
WETLAND BUFFER LINE
~X x~ FENCE LINE (TYPE AS NOTED)
VEGETATION MANAGEMENT BUFFER LINE
--- - -FLOOD HAZARD AREA LIMITS LINE
BID ALTERNATE #1 (SEE MITIGATION PLANS)
\
PORTION OF GOV'T LOT 1, SECTION 32, T 24 N, R 5 E, WM
MAY CREEK TRAIL PROJECT
FOR
CITY OF RENTON, WASHINGTON
'-----
LOTft:-
134,531 SF (GROSS)
75' WETLAND
BUFFER
WETLAND f
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100% SUBMITTAL
20' I'I1DE CITY OF
RENTON UllUTY
REC. NO_
AND
7510080743
~
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10' I'I1DE SANITARY '\
SEWER EASEMENT
REC_ NO. 7106230529
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VICINITY MAP
SCALE: 1 "=1500'
SHEET INDEX
C1
C2
C3
C4
C5
C6
C7
C8
C9
M1
M2
M3
COVER SHEET & SITE PLAN
EXISTING CONDITIONS
TESC PLAN
TESC DETAILS
TESC & STANDARD DETAILS
TESC NOTES
TRAIL ALIGNMENT HORIZONTAL CONTROL PLAN
TRAIk"ADGf'j'MENT-CRAbING--PI..AN ,
I
TRAIL ALIGNMENT PROFILES
MITIGATION IMPACT SUMMARY PLAN
MITIGATION IRRIGATION PLAN
MITIGATION IRRIGATION NOTES AND DETAILS
M4 MITIGATION PLANTING PLAN
M5 MITIGATION DETAILS AND SPECIFICATIONS
M6 MITIGATION SPECIFICATIONS AND MONITORING
M7 SITE FURNISHING DETAILS
M8 TREE INVENTORY PLAN
DEVELOPMENT DATA:
OWNER/APPLICANT: CITY OF RENTON
1055 S GRADY WAY
RENTON, WASHINGTON 98057
(425) 430-6571
A TTENTION: TODD BLACK, A.S.L.A.
ENGINEER/SURVEYOR: DAVID EVANS and ASSOCIATES, INC.
415 118TH AVENUE SE
SITE ADDRESS
BELLEVUE, WASHINGTON 98005
(425) 519-6500
ATTENTION: DOUG VOGT, PLS.
4260 LAKE WAHINGTON BLVD N
RENTON, WASHINGTON 98056
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TAX ACCOUNT NUMBER
322405-9109
City of Renton
Planning Division
MAY -9 ~Oll
DATUM
VERTICAL DATUM: NAVD-88 (NGVD 29 ~ NAVD-88 MINUS 3.6')
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REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: BRD
DRAWN: CLK
CHECKED:
REVISION
NUMBER:
SCALE: 1"~40'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
eciMOOI RENTO0000015
SHEET NO.
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TREE TABLE
NUMBER TYPE DIAMETER
10175 ALDER 12"
10176 ALDER 8"
101T! COTTONWOOD 3811
10178 MAPLE 28"
10179 ALDER 10"
10180 ALDER 6"
10181 ALDER 8"
10182 ALDER 12"
10183 ALDER 10"
10184 ALDER 8"
10185 ALDER 10"
10185 ALDER 8"
10187 COTTONWOOD 26"
10188 COTTONWOOD 34"
10189 COTTONWOOD 32"
10190 COTTONWOOD 8"
10191 ALDER 20"
10192 COTTONWOOD 18"
10193 ALDER 14"
10194 ALDER 12"
10195 ALDER 12"
10196 ALDER 16"
10197 ALDER 16"
10198 ALDER 10"
10199 ALDER 8"
10200 ALDER 8"
10201 ALDER 10"
10202 ALDER 8"
10203 COTTONWOOD 22"
10204 ALDER 12"
10205 ALDER 15"
10210 ALDER 1 0"
10211 ALDER 8"
10212 ALDER 10"
10213 ALDER 10"
10214 DECIDOUS 8"
10231 ALDER 7"
10232 ALDER 7"
1023:5 COTTONWOOD 48"
10234 COTTONWOOD 36"
10265 ALDER 12"
10266 ALDER 16"
10268 ALDER 8"
10269 ALDER 5", 7"
10300 ALDER 8"
10301 COTTONWOOD 48"
10302 ALDER 14"
10303 ALDER 12"
10304 ALDER 18"
10305 ALDER 2-8"
10306 ALDER 8"
10307 ALDER 8"
10308 ALDER 8"
10309 ALDER 7"
10310 ALDER 8"
10311 ALDER 8"
10312 ALDER 10"
10313 ALDER 10'
10314 ALDER 8"
10315 ALDER 10"
10316 COTTONWOOD 40"
10317 ALDER 12"
10318 ALDER 8"
10319 ALDER 8"
10320 ALDER 8"
10321 ALDER 12"
10322 ALDER 10"
10326 ALDER 10"
DRIP LINE
20'
12'
40'
35'
30'
20'
12'
30'
20'
12'
20'
16'
25' I
35'
20'
10'
20'
25'
25'
12'
16'
16'
16'
16'
12'
16'
16'
15'
35'
20'
25'
12'
12'
12'
10'
12'
14'
14'
40'
30'
20'
25'
14'
12'
25'
40'
15'
25'
SNAG
16'
12'
12'
14'
10'
12'
12'
14'
16'
14'
16'
30'
20'
16'
14'
SNAG
22'
16'
20'
/
/ /
/
/
/
/
/
/
/
/
/
/
/ "0'
NUMBER TYPE DIAMETER DRIP LINE
10327 ALDER 12" 20'
10328 ALDER 8" 20'
10361 ALDER 12" 20'
10362 COTTONWOOD 20" 12'
10363 COTTONWOOD 30" 15'
10364 COTTONWOOD 30" 20'
10365 COTTONWOOD 36" 25'
10366 ALDER 10" 8'
10367 COTTONWOOD 3D" 20'
10368 COTTONWOOD 44" 25'
10369 COTTONWOOD 36" 15'
10370 COTTONWOOD 30" 15'
10371 COTTONWOOD 12" 12'
1 0372 COTTONWOOD 16" 12'
10373 COTTONWOOD 3D" 20'
10374 ALDER 12" 14'
1 0375 ALDER 20" 25'
10376 ALDER 16" 20'
10378 COTTONWOOD 36" 3D'
10379 COTTONWOOD 5-27" 35'
1 0380 ALDER 8" 1 0'
10381 ALDER 10" 15'
1 0382 ALDER 8"15'
1 0390 ALDER 2-18" 25'
1 0391 ALDER 24" 25'
10392 ALDER 14" 20'
1 0393 ALDER 16" 25'
10394 ALDER 2-12",14" 35'
10395 ALDER 3-20" 25'
10396 ALDER 24" 30'
10397 ALDER 12" 18'
1 0398 COTTON WOOD 44" 30'
10399 COTTONWOOD 48" 30'
10400 COTTONWOOD 30" 20'
1 0403 MAPLE 28" 30'
1 0404 COTTONWOOD 38" 3D'
10410 HAZELNUT CLUSTER 20'
10411 ALDER 14" SNAG
10412 ALDER 12" 22'
10413 ALDER 16" 20'
10419 MAPLE 50" 50'
10420 ALDER 26" 24'
10424 ALDER 18",22" 35'
/
/
o 20
NUMBER TYPE
10425 ALDER
10426 ALDER
10427 ALDER
10428 ALDER
10429 ALDER
10431 ALDER
10433 ALDER
10434 ALDER
10435 ALDER
10436 ALDER
10437 ALDER
10438 ALDER
10439 ALDER
10440 ALDER
10441 ALDER
10447 ALDER
10448 ALDER
10449 ALOER
10455 ALDER
10456 ALDER
10457 ALDER
10458 ALDER
10459 ALDER
10460 ALDER
10461 ALDER
10462 ALDER
10463 ALDER
10464 ALDER
10465 ALDER
10466 ALDER
10467 ALDER
10468 ALDER
10474 DECIDOUS
10475 MAPLE
10476 ALDER
10477 ALDER
10480 ALDER
10502 ALDER
PORTION OF GOV'T LOT 1, SECTION 32, TWP 24N., RNG. 5E., W.M.
"-~
~~~~~~
10' WIDE SANITARY SEWER EASEMENT '"
REC, NO, 7106230529
~
\
'CU"c OF GRAVEL
-----.........
,./;r-GAP IN FENCE
40 80
DIAMETER DRIP UNE
18" SNAG
12" 16'
8" 12'
3-12" 30'
20" 30'
30' NUMBER TYPE DIAMETER DRIP LINE
18" 30' 10503 ALDER 8" 12'
16" 25' 10504 ALDER 14" 20'
16" 30' 10505 ALDER 12" 20'
14" 20' 10506 ALDER 10" 15'
20" 20' 10507 ALDER 8" 10'
10" 20' 1050B ALDER 8" 10'
8" 12' 10509 ALDER 12" 20'
16" 20' 10510 ALDER 7" 10'
2-14" 30' 10512 ALDER 24" 40'
12" 20' 10513 ALDER 28" 35'
12" 20' 10514 ALDER 10",2-16" 25'
14" 25' 10515 ALDER 14" SNAG
18" 30' 10516 ALDER 14" 30'
12" 15' 10517 ALDER 20'
8" 16' 10518 ALDER 20" 20'
12" 12' 10519 ALDER 18" 20'
12" 15' 10520 MAPLE 22" 40'
14" 20' 10521 MAPLE 18" 35'
8" 12' 10522 MAPLE 16" 30'
12" 15' 10523 ALDER 8" 20'
10" 12' 10524 ALDER B" 12'
8" 10' 10525 ALDER 10" 15'
12" 20' 10526 ALDER 10" 16'
16" 20' 10527 ALDER 2-12' 25'
12" 16' 10528 ALDER 10" 20'
14" 20' 10529 MAPLE 3-S" 25'
40" 65' 10530 COTTONWOOD 40" 60'
18" 40' 10531 MAPLE 2-8" 15'
10" 14' 10537 MAPLE 20" 45'
10" 14' 10545 ALDER S" 15'
16" 20' 10599 ALDER 20" 20'
10" 20' 10600 ALDER 12" 20'
~
~
~
~
-.................. \
(""32"'2"40"'5"'9"04""9)......... --\. .........
\ .........
\
\
\
\ r 200' SHORELINE
/ MANAGEMENT ZONE
~
~ \
\
DOGWOOD CLUSTER
/
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'--------
"-
LOT""
134,531 SF (GROSS)
VICINITY MAP
N 42nd PI
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19426
NOTES
L PURPOSE OF JHIS SURVEY THIS SURVEY WAS PERFORMED ON NOVEMBER 15-17, 2011 ,IN SUPPORT OF A MAY CREEK TRAIL
DESIGN PROJECT AND IS INTENDED TO BE USED FOR THIS PURPOSE" SPECIFIC INFORMATION SHOWN HEREON SHOULD BE
VERIAED AS TO ITS ACCURACY IF THIS SURVEY IS TO BE USED FOR PURPOSES OTHER THAT WHAT IT WAS IN'TENDED FOR.
2 BASIS OF BEARING WASHINGTON COORDINATE SYSTEM, NORTH ZONE, NAD-B3!07.
3. VER]CAL DATUM NAVD-88
NOTE: NGVO 29 = NAVO SS MINUS 3,6'. SOURCE -CORPSCON FOR WINDOWS CONVERSION SOFTWARE VER 5,ll,OS
4. MEJHODOLOGY FIELD MEASUREMENT FOR THIS SURVEY WERE PERFORMED USING A LEICA TCRM1201+ TOTAL STA1l0N, LEICA
ATX1230GG GPS RECIEVERS, THIS SURVEY COMPLIES WITH THE MINIMUM REQUIRED "ERROR OF CLOSURE" OF 1:10,000 FOR
WASHINGTON STATE PLANE COORDINATES AS SET FORTH PER WAC, 332-130-090 (AND POSITIONAL TOLERANCE LEVELS OF
LESS THAN 0,011 METERS)
5. PROPERTY LINES THIS IS NOT A BOUNDARY SURVEY"
PROPERTY CORNERS WERE NOT STAKED IN CONJUNC1l0N WITH THIS SURVEY"
6. MONUMENTA]ON VlSlTA]ON ALL SURVEY MONUMENTS AND OTHER SURVEY MARKERS SHOWN HEREON WERE VISITED DURING
NOVEMBER, 2011 UNLESS OTHERWISE INDICATED.
7. ENCUMBRANCES THIS SURVEY WAS PERFORMED WITHOUT THE BENEFIT OF A TITLE REPORT, ACCORDINGLY, ANY EASEMENTS
OR RESTRICTIONS OF RECORD WHICH MAY BE REVEALED IN A TITLE REPORT HAVE NOT BEEN INCLUDED HEREON,
B. UNDERGROUND U]U]ES NO GUARANTEE IS MADE THAT THE UNDERGROUND UTILlllES SHOWN COMPRISE ALL SUCH UllLlllES
IN THE AREA, EITHER IN SERVICE OR ABANDONED OR THAT THE UNDERGROUND UllLlTIES ARE SHOWN IN THIER EXACT LOCA1l0N,
THE UllLlTIES ARE SHOWN AS ACCURATELY AS POSSIBLE FROM AVAILABLE INFORMA1l0N,
9. CONTOUR INTERVAL 2 FOOT
10. SUBSURfACE CONP!]ONS WERE NOT EXAMINED OR CONSIDERED AS PART OF THIS SURVEY.
11. 1-800-424-5555 MUST BE CALLED NOT LESS THAN 4S HOURS BEFORE BEGINNING EXCAVATION WHERE ANY UNDERGROUND
UllLlllES MAY BE LOCATED, FAILURE ,TO DO SO COULD MEAN BEARING SUBSTANTIAL REPAIR COSTS. (UP TO THREE TIMES THE
COST OF REPAIRS TO TIiE SERVICE).
LEGEND
o
*
®
®
(3224059081)
--x---x--
20' WIDE CITY Of
RENTON UllUTY
AND l~~:~rig~!rREC. NO,
10' WIDE SANITARY \
SEWER EASEMENT
REC, NO, 7106230529
I
I
I
I
405 BRIDGE ABUTMENT
DECIDOUS TREE
CONIFEROUS TREE
STORM DRAIN MANHOLE
SANITARY MANHOLE
TAX LOT / PARCEL NUMBER
ROAD CENTERLINE
EDGE OF PAVEMENT
EASEMENT LINE
PROPERTY BOUNDARY
EXISTING RIGHT-OF-WAY LINE
CREEK CENTERLINE
ORDINARY HIGH WATER MARK (OHWM)
WETLAND BOUNDARY
WETLAND BUFFER LINE
FENCE LINE (TYPE AS NOTED)
VEGETATION MANAGEMENT BUFFER
FLOOD HAZARD AREA LIMITS LINE
City of Renton
Planning Division
MAY -91011
100% SUBMITTAL
APPD,
DATE: NOVEMBER 21, 2011
DESIGN:
DRAWN: AALA
CHECKED: DEV
REVISION
NUMBER:
SCALE: 1"=40'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
SVTPXRENTOOOO-0015,dwg
SHEET NO,
C2
~~------------------------------------------------------------------------------------------------~--------------------------------------~=---------
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LEGEND
()
@
(3224059081)
--x--x--
/
/
/
/
o
DECIDUOUS TREE
CONIFEROUS TREE
!
20
STORM DRAIN MANHOLE
SANITARY MANHOLE
/
TAX LOT / PARCEL NUMBER
ROAD CENTERLINE
EDGE OF PAVEMENT
EASEMENT LINE
PROPERTY BOUNDARY
EXISTING RIGHT-OF-WAY LINE
CREEK CENTERLINE
40
ORDINARY HIGH WATER MARK (OHWM)
WETLAND BOUNDARY LINE
WETLAND BUFFER LINE
FENCE LINE (TYPE AS NOTED)
VEGETATION MANAGEMENT BUFFER LINE
FLOOD HAZARD AREA LIMITS LINE
BID ALTERNATE #1 (SEE MITIGATION PLANS)
80
PORTION OF GOV'T LOT 1, SECTION 32, T 24 N, R 5 E, WM
,-·40'x375' TEMPORARY
CONSTRUCTION EASEMENT
--
HIGH VlSIBIUTY FENCE ---1
WHERE INDICATED
(LIMITS Of WORK)
_ _ _ . COMPOS~OCK ~
-PROPOSED TRAIL 1 & 2 --
200' SHORELINE
Mt\NJ\GFME~: r ZONE
100%) SUBMITTAL
VEGETATION IN 1HIS AREA TO
BE REMOVED BY HAND
(SEE LANDSCAPE PLAN) f 5 .0'
TOP OF BANK
...... [ EX GROUND SURFACE
'-.. OHI'hA
" " MAY CREEK
'----
HIGH VISIBILITY FENCE
WHERE INDICATED
•
K\\
\
COMPOST SOC
EX GROUND SURFACE
---
LIMITS OF WORK
5.0' 6.0' 5.0' • •
..
p-----
PROPOSED TRAIL 1 & 3
DETAIL -HIGH VISIBILITY FENCE LOCATION
NOT TO SCALE
--
T.E.S.C. CONSTRUCTION NOTES
0 SEE LANDSCAPE PLAN FOR WORK IN THIS AREA.
0 TEMPORARY CONSTRUCTION EASEMENT AREA TO BE ENCLOSED
WITH TEMPORARY 6' CONSTRUCllON FENCE.
0 CONTRACTOR SHALL REMOVE PORllON OF EX 4' CHAIN LINK
FENCE FOR ACCESS TO STAGNG AREA & REPLACE WHEN SITE
WORK IS COMPLETE.
0 CONTRACTOR SHALL CREATE & SUBMIT TRAFFIC CONTROL PLAN
FOR LAKE WASHINGTON BLVD NORTH TO CITY FOR APPROVAL.
® CONTRACTOR TO PROVIDE INLET PROTECTION (IP) ON ALL STORM
DRAINAGE MANHOLES & CATCH BASINS IN STREET & ON
ADJACENT PROPERTY WITHIN 200 FT OF CONSTRUCTION AREA.
0 AREA ENCLOSED BY HIGH VISIBILITY FENCE TO REMAIN
UNDISTURBED UNLESS BID AL TERN A TE #1 IS ACCEPTED.
(]) AREAS OUTSIDE HIGH VISIBILITY FENCE TO REMAIN UNDISTURBED
WITH THE EXCEPTION OF AREA ENCLOSED BY TRAIL 1 & 2 AS
BID AL TERNA TE #1. SEE NOTE 6.
STANDARD PRACTICE CODING SYSTEM:
CODE
@
@
@
@
8
0
BMPs
CONSTRUCTION ENTRANCE
(CITY OF RENTON STD PLAN 215.10)
BIODEGRADABLE COMPOST SOCK
(WSDOT STD PLAN 1-30.40-00)
DUST CONTROL
(DOE C140)
FILTER FABRIC SILT FENCE
(CITY OF RENTON STD PLAN 214.00)
HIGH VISIBILITY FENCE
(CITY OF RENTON STD PLAN 212.00)
INLET PROTECTION
(WSDOT sm PLAN 1-40.20-00)
PLASTIC COVERING
(CITY OF RENTON sm PLAN 213.30)
PERMANENT SEEDING AND PLANTING
(SEE LANDSCAPE PLAN)
PRESERVING NATURAL VEGETATION
(DOE Cl0l)
EROSION CONTROL MONITORING PLAN
'1. OBSERVE EROSION CONTROL MEASURES AT THE BEGINNING AND
END OF EACH DAY. REPAIR AND OR REPLACE AS NECESSARY TO
ASSURE PROPER FUNCllON.
2. OBSERVE COLLECllON FACILITIES DURING PERIODS OF HEAVY
RAINFALL AND WET WEATHER CONDITIONS.
3. OBSERVE AND MONITOR STABILIZA llON TECHNIQUES. MAKE
REPAIRS AND/OR ALTERATIONS AS NECESSARY TO PREVENT
EROSION.
4. COMPLY WITH ALL WA STATE DEPARTMENT OF ECOLOGY AND CITY
OF RENTON REQUIREMENTS FOR DISCHARGE OF STORMWA TER.
City of Renton
Planning Division
MAY -9,1011
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REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: BRD
DRAWN: CLK
CHECKED:
REVISION
NUMBER:
SCALE: 1" = 40'
PROJECT NUMBER:
RENTOOOO-OO 15
DRAWING FILE:
eclM003RENT00000015
SHEET NO.
C3
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SURVEY FLAGGING
10'-.20'
NOTES
1. CONDITION OF USE
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DO NOT r-wL OR STAPLE
W1Re TO TREES
.' ..... MOTA,
FENCE POOl
1.1. TO ESTABLISH CLEARING LIMITS, STAKE OR WIRE FENCE MAY BE lISED:
1.1.1, AT THE BOUNDARY OF CRITICAL AREAS. THEIR 8UFFERS AND OTHER AREAS REQUIRED TO BE LEFT
UNCLEAR.
1.1.2, AS NECESSARY TO CONTROL TftE VEHICLES TO AND ON THE SITE.
2. MAINTENANCE AND RIlQUIRIlMIiNTS
2,1, IF THE FENCE IS DAMAGED OR VISIBILITY REDUCED,IT SHALL BE REPAIRED OR REPLACED IMMEDIATELY AND
VISIBILITY RESTORED.
2,2, DISTURBANOE OF A CRITICAL AREA, CRITICAL eUFFER AREA, NATIVE GROWTH RETENTION AREA, OR OTHER
AREA REQUIRED TO BE LEFT UNDISTURBE D SHALL BE REPORTED TO THE CITY OF RENTON FOR RESOLUTION.
2,3. THE CITY MAY REQ!.IIRED MORE SUBSTANTIAL FENCING IF THE FENce Does NOT PREVENT ENCROACHMENT
INTO THOSE ARFAS THAT ARE NOT TO BE DISTURBED.
PUBLIC WORKS
DE:PAR'I'ME: i'I'I'
2x2 x 3' -0" WOODEN STAKE
COMPOST SOCK
-SEE NOTE 1
STAKE AND WIRE FENCE STD, PLAN -212.00
EROSION CONTROL
BLANKET
-SEE NOTE 3
MARCH 2008
NOTES
1, Compost Sock shall be in accordance with
Standard Specification 9·14.5(6), Compost
Sock shall be a minimum of 8" in diameter
or sized to suit conditions as specified by
the Engineer or Contract,
2, Compost material to be dispersed on site or
left in place, as determined by the Engineer,
3, When placing Compost Sock on slopes, use
Erosion Control Blanket if specified by the
Engineer and in accordance with Standard
Specification 9-14.5(2), See Standard
Plan 1·60,10.
4, Always install Compost Sock perpendicular
to slope and along contour lines,
5, Remove sediment from the up slope side of
the Compost Sock when accumulation has
reached 1/2 of the effective height of the
Compost Sock,
6, Live stakes can be used in addition to wood-
en stakes and shall be in accordance with
Standard Specification 9-14.6(1), See plans
for species selection and spacing.
7, Mesh containing compost shall be biodegradable,
DETAIL -COMPOST SOCK
REF: WSDOT STD PLAN 1-30.40-00
NOT TO SCALE
PORTION OF GOV'T LOT 1, SECTION 32, T 24 N, R 5 E, WM
TOE IN SH""'lNt> IN
MINIMl.!M "~X4~ fRENcH
NOTES
PROVIDE ENERGY rnSSJPATlOO
A nOE WHIlN N.fOEU
1. CONDITION OF USE
1.1. PLABTIC COVERING MAY BE !.ISED ON DISTURBED AREAB THAT REQUIRED COVER MEABURES FOR LESS THAN :)() DAYS.
1.2, PLASTIC IS PARTICULARLY !.ISEFI)L FOR PROTECTING CUT AND FILL SLOPES AND STOCKPILES.
1,3, CLEAR PLABTIC SHeETING MAY BE USED OVER NEWL Y-IlHEEDED AREA8 TO CREATE A GREENHOUSE EffECT AND ENCOURAGE GRASS
GROWTH, CLE:AR PLASTIC SHOULD NOT 8E USED FOR THIS PURPOSE DURING THE SUMMER MONTHS
1,4, THIS MErnOO SHALL NOT BE USED UPSLOPE OF AREAS THAT MIGHT BE ADVERSELY IMPACTED BY RUNOFF. SUCCI AREAS INCLUDE STEEP AND
UNSTABLE SlOPIiS
2. DESIGN AND INSTAllATION SPECIFICATIONS
2.1. PLASTIC SHEETING SHOULD HAVE A MINIMUM THICKNESS OF 0.03 MILLIMETERS,
2.2. IF EROSION AT THE TOE OF A BLOPE IS LIKELY, A GRAVEleERM, RlPRAP, OR OTHER SiJlTAlllE PROTECTION SflALL Ill': INSTALLED ATTH!; TOE
Of THE SLOPE IN ORDER TO REDUCE THE VELOCITY OF RUNOFF,
3. IioIAINTiHANCE STANDARDS
3.1. TORN SHEETS MOST BE REPLACED AND OPEN sEAMS REPAIRED.
3.2. If THE PLASTIC BEGINS TO IJETERIORA TE OlE TO ULTRAVIOLET RADiATION, IT MOST BE COMPLETELY REMOVED AND REPLACED,
3,3. WHEN THE PLASTIC IS NO LONGER NESDED. IT SHALL BE COMPLETELY REMOVES-
PUBLIC WONKS
DEPARTME:NT
PLASTIC COVERING
"MAX
STD. PLAN -215,30
MARCH 2008
NOTES
I I
I I
J(nNta IN f'ILTGI'{ fj',1mIC SHI\i,1,. eE -
AT POSTS, USE STAPLES, \/'{IRE RiNGS,
EQUJVAlENTTOATTACH FABRIC m "G31'S
,/
,-
POST SPACING MA'f BE INCREASED
TO 13' IF 'l'fIRE BACKING IS USED
1. CONlJlTION Of USE
1.1, SILT FENCE MAY BE USEO DOWNSLoPE OF ALL DISTURBED AF!E>\$.
z'a' fly t40(l, INIHE Ol~
EQUIVAtENT,!F STANDARD
STRENCHI FA8R.1GUStO
~ MINIMUM 4".114" TRENCH
BACKFILL TREW":;H WITH
t>iATIIJE SOil
'-'-2'x"-WOOl) F"Q-STS, STEEl f£NCE,
FJiJST3, RE(:!AH, OR E:QIJIV'At.EN r
1,2, SILT FENCE IS NOT INTENDED TO 1HEAT CONCENTRAfEO FLOWS, NOR IS INTENDED TO TREAT SUBSTMiTlALAMOUNTS OF OVERLAND fLOW.
ANY CONCENTRATED FLOW MOST BE CONVEYED THROUGH nlE DHAINAGE SYSTEM TO A SEDIMENT lHAP OR POND,
2. D~SIGN AND INSTALLATION SPECIFICATIONS
2:1. THE GEGTEXTIL£ USED Mosr MET THE STANDARO 'usn"t) BELlOW, A COpy OF THE MANUfACTURER'S fABRIC SPECIFICATIONS MOST BE
AVAILASl" ON SITE. '
IA~S (M(t~~-~C~"--"'-'--~'-l~~~:-~!:~~ ~;~~ i~'~:;-~~~;:~"~~~<~~'~;::~:~::':';:'~"
r\~;j~fii£t~11'riivii~_~L~:~:! DG9i) ~~-=fo·o( ?Bf~~!(ili·:!L~~~_~""~·~~ .. ~~. Gt\8-!~NS1Lt Sri(fNCtff(ASnvl ti46:.::l 1100 Lf& M~L FOk [XTM 5TRHlGH FAOfll{;
! _ .. ,,___ _ .~ __ ~_~ __ 1~q:J LC5;.,~~.U~. f (.'1;1: HANf.lJ~.m~_~<!RENGHf FABfI,C
fGRi'd;: ILNS!tE HDrio)l,-r!Qrj [MtM D4652iT3C1% I'M>;:
jut'T&WJOl.Aft !iti;dS~1M ri1~71)% ;';Mt':'N.'--·· ----,-------1
2.2. STANDARD STRENGTH fABRIC REQUIRES WIRE flACKING TO INCREASE THE STRENGTH OF THE FENCE, WIRE 8ACKING OR CLOSER POST
SPACING MAY BE REQUIRED FOR EXTI'lA STRENGTH FAEli,iC IF !'iEW PERFORMANCE WARRANTS A STRQNGER FENCE.
2.3. ,'mERE THE FENCE IS INSTAlLED,mE SLOPE SliALL NOT BE STEEPER THAN 2H:lV
2.4, IF A TYPiCAL SilT FENCE IS LJSED, THE STi\NDARD 4)(4 TRENCH MAY NOT BE REDUCEClAS LONG Ail THE BonUM 8 INCHES OF'IHE SILl FENCE
IS WELL BURIED AND SECURE IN A TRENCH THAT S1ABIliZES THE FENCE AND DOES NOT AlLO'1\f WATER TO BYPASS OR UNPERMINE TIlE SILT
FENCE, '
3, MAINTENANCE STANDARDS '. '-"'''' , .. ~i ,,,,,,,,.d'.· ""i .. ,,"'· ( ., ",,' """'0"'"
3,1. ANY DAMAGE SHAlL BE REPAiR IMMEDIATELY, ;.-.
3,2. IF CONCENTRATED FLOES ARE EVIDENT UPHilL OD fdE FENCE, THEY MUST BE INl'ERCEPT2D AND CONVEYED TO t\ SEDIMENT TRAP ORFDND.
3.3. IT IS IMPORTAflT TO CHECK THE UPHILL SIDE OF TrIE FENCE FOR SIGNS OF THE FENCE CLOGGING AND I,CTING AS A 6ARRIER TO FLOW AND
THE~1 CAUSING CHANNELIZA nQN OF FLGWS PARALLEL TO THE FENCE, IF THIS OCCURS, REPLACE THE FENCE OR REMOVED THE TRAP
SWIMENT.
3.4, SEDIMENT' MOS. BE REMOVeD WHEN SE!lIMENT IS G INCHES HIGH,
3.5. if TKE FILTE!, fABRIC (GEOTEXTILE) HAS DETERIOR~TEO DUE TO ULTRAVIOLET 6REAKDOWN, iT $oIALL BE HEPLACED,
PU8UC wonKS
DEPMn'MENT
SILT FENCE STD. PLAN -214,00
MAHCH ,2008
DRAINAGE GRATE l TRIM 1, Size the Below Inlet Grate Device (BIGD) for the storm water structure il
will service,
\
I GRATE I-KlIMt:-....
SEDIMENT AND DEBRIS
• " I>
•
'f!,
'f!,
•
FILTERED
WATER
SECTION VIEW
OVERFLOW BYPASS
BELOW INLET GRATE DEVICE
•
'f!,
'f!,
2, The BIGD shall have a built·in high-flow relief system (overflow bypass),
3, The retrieval system must allow removal of the BIGD without spilling the
collected material.
4, Perform maintenance in accordance with Standard Specification 8-01,3(15),
DRAINAGE GRATE
-RECTANGULAR GRATE SHOWN
BELOW INLET GRATE DEVICE
.----,..--RETRIEVAL SYSTEM
-------.-(TYP)
ISOMETRIC VIEW
OVERFLOW BYPASS
(TYP)
DETAIL -STORM DRAIN INLET PROTECTION
REF: WSDOT STD PLAN 1-40.20-00
NOT TO SCALE
City of Renton
Planning Division
MAY ~ 9 2m2
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REVISIONS: APPD.
DATE:
DESIGN:
APRil, 2012
BRD
DRAWN:
CHECKED:
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SCALE: NONE
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RENTOOOO-0015
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itJ(;;TALL DRl\:'CWAY (:LLv:c.rn IF TKEf{E
is A r{{MOSIDE Direr! PRt:Sl.Hrr. AS
PER en'\' ROAD GTA.'·JOAROS
OEOTExTlLE ~~-~
1. CONDITION OF liSE
DRIVE'N;, '($ SHAt,l 9t; J'Nf';!J TO TH€ El)06
OF R-O-'tJ FRlOR TO !NSTAlLArIQ/i OF THE
COhS1RUGHON ENTHANcU; ro A'VOIi)
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I f IS H~cr)MMt:ND!lD niP. r Tnt:
ENIRAJICE dE <-'::RU"vVNED SO ni~T
f".urlOfF Dji.;AlN$ Off niE IW)
U. CONSTRUCTION ENTRNICE SHALL BE STABIliZED WHEREVER TRAFFIC WILL BE LEAVING II CONSTRUCTION SITE AND mAVELING ON
PA'/EO ROADS OR OTHER PAVED ARfAS WIUIiN 1,000 FEET OF HIE SITE.
GR48 TENSILE :mtEBNG"fH (A~It::~,P£~Il __ _
qB~B m~IhUIfl'!GAnQ.~J~m~ D'1?J2 1
f'il'IUlLfN £URSTST1l.ENGTiH ASTM D373
I\OS lAST'.' 04751)
2. DESIGN AND INSTALLAfiON SPECIFICATIONS
2.1. HOG FUEL (WOOD BASED MULCH) IvIAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALl81N ARES 111M WILL BOT BE USED
FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN ~.REAS.. THE INSPECTOR MAY
AT ANY TIME REQUIRE THE us~ OF QIJAHf'ZY SPALL!> Ie THE HOG FUEL IS Nor PHi;;I/EN'flNO SEDIMENT fROM ~EING TRACKED ONTO
PA'/EMENT OR IF THE HOG FUEL IS BEINe CARRIED ONTO PAVEMENT.
2.2. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE.
2.3. WhENEVER POSSIBLE. THE ENTRANCE SHAll BE CONSTIRucrED ON A FIRM, COMPACTED SUB GRADE. THIS Cf,N SWSTANTIALl Y
INCREASE THE EFFECTIVENESS OF THE PAD AND RE,DUGE HIE NEED FOR MA.lNTENANCE.
3. MAINTEI.IANCE STANDARDS
3.1. qUARFW SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE V'/ITH THE SPECIFI(,~TIONS.
3.2. IF THE E\ITRANCE IS Nor PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEN foL TERNATIVE MEASURES TO KEEP THE
STflEETS FREE OF SEDIMENT SHALL aE USED, THIS M.iIY INCLUUE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE
EN fRANCE, OR THE INSTALLATION OF T~E WHEEL WASH .. IF WASHING IS USED. IT SHALL BE DONE ON AN AREA COVERED WITH
CRUSHED ROCK, AND WASHED WATER SHALL DRAIN TO A SEDIMENT TR.~P OR POND.
3.3 ANY SEDIME~T THAT IS TRAC"ED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING .. THE SEDIMENT COLLECTED BY
SWEEPING SHALL BE RFMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET,
EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT NECESSARY TO WASH TliE STREETS, A
SMALL SUMP MUST BE CONDUCTED. THE SEDIMENT WOJLD THEN BE WASHED IrHO THE SUMP WHERE IT CAN BE CON IROllEDAND
DISCHARGED APPROPRIATELY.
3.4. ANY qUARRY SPALlS THAT ARE LOOSEt,ED FROM THE PAD AND END UP ON THE ROAllWAY SHALL BE HEMOVED IMMEDIATELY.
3.5, IF VEHICLES ARE ENTERING OR eXITING THE SITES AT POINTS OTHER THAN THE CDNSTRUCTION ENTRANCE(S), FENCING SHALL BE
INSTALLED TO CONTHOL TRAFFIC.
PlJBLlG WOHKS
UEPAlfl'lvl1';l\T
STABILIZED
CONSTRUCTION ENTRANCE
STD. PLAN -215.10
MAHCH 2008
PORTION OF GOV'T LOT 1, SECTION 32, T 24 N, R 5 E, WM
,JOIt-HS: W'~i.I'f JGI7iT5 ~..l-lAU .. BC PLt'.C2D HOT 1(1 EXCfED 1:5' lH~r ~Hj,JL
NO'! BE Lf);S 'fri-IVi 3J1IY ltI li'U:KiiC'S5 ANl) (;~IA"t OL EX 2' Hu)w ffi€: LiNE. 1/'.!'
IHRlJ JON;-:) SJi.o',ll DE PLA.CED AT ALL (OLD JCih1S AS OlR€:CT[Q BY ENGlhECf;: f<1iD SHALL EXTEND ,.
f'lEL~'';; 80NCRf IE ..
VIHER'S. rHE Si[l(\\.Ali\ lS "TO 8f pLA.cm ACAiKST IH[ StiRS A;~O-CI)T1[R, mE ;Qnf BHAI~L 8£ A COLD
"Olll" l/,:~X !)" {};PAr.J~()N MArt:Nit,i, :,1-iAD, tn~ ¥1"iClf.V mUM "'.c.'~ iU p. i.'~ A[' AU. C\Jt\~, t;t: iI,JHN::J,
J/2~X+' L{PANSFJN MAfERtf.l :;1-iALl tiE ?'~CE[) At E'.'ERr FC1JRTH SiDEI'iA:J( PANEL.
rHt; \,:(fi'!~flr;Tr; Mj~ tOR ;:;H.)(::'NAI,K;; SH),U, C':;)tlrvl~j;J TO Tl'1f; i1!fQlJ~ffEit!f,Nf;; 'Or Ck,f,;);; 1) (J!4~) #i'11i A:R
f}tmA!N~lDn
TOOLED F,ClIStl.
SUBGR",!.;':: -COMF';\Cr[(;/-j SHALL BE 90% {M00ffiEO FEQCiOR)
Ct.M. ";;UNC. CUH13 /\h~O GUrlEt~
B
TYPICAL tlIDU:WALK
ADOPTED
CiTY OF' RENTON
Sl'ANIJAHD IJL<\NS'
UlT Dl\_TE: 04/04
-_......-"
City of Renton
Planning Division
MAY -9 1012
100% SUBMITTAL
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REVISIONS: APPD .
DATE:
DESIGN:
DRAWN:
APRil. 2012
BRD
ClK
CHECKED:
REVISION
NUMBER:
SCALE: NONE
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
eclM005RENT00000015
SHEET NO.
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STORMWATER POLLUTION PREVENTION PLAN (SWPPP):
THIS STORM WATER POLLUTION PREVENTION PLAN IS PROVIDED IN ACCORDANCE
WITH THE TERMS OF THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES) PERMIT FOR CONSTRUCTION ACTIVITIES FOR THIS PROJECT. THE
CONTRACTOll IS ADVISED THAT THE PROJECT AREA DRAINS TO WETLANDS
AND/OR STATE WATERS AND THAT THE CONTRACTOR IS RESPONSIBLE TO
PROTECT THE RECEIVING WATERS FROM DELETERIOUS EFFECTS OF
CONSTRUCTION.
THE CONTRACTOR IS REQUIRED TO HAVE A COPY OF THE NPDES PERMIT AS
WELL AS THE SWPPP ON SITE AT ALL TIMES.
THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING THE EROSION CONTROL
MEASURES SHOWN OR DESCRIBED IN THE CONTRACT DOCUMENTS AND ANY
ADDITIONAL MEASURES THAT MAY BE REQUIRED BY THE CONTRACTORS MEANS
AND METHODS OF CONSTRUCTION AS NEEDED TO CONTROL EROSION AND
SEDIMENT AT THE CONSTRUCTION SITE AND TO PREVENT VIOLATION OF SURFACE
WATER QUALITY, GROUND WATER QUALITY, OR SEDIMENT MANAGEMENT
STANDARDS. EROSION CONTROL MEASURES SHALL BE MAINTAINED THROUGHOUT
THE COURSE OF CONSTRUCTION AND UNTIL ALL DISTURBED EARTH IS STABILIZED
IN FINISH GRADES.
THE FOLLOWING DESCRIBES HOW THE CONSTRUCTION SWPPP ADDRESSES EACH OF
THE 12 REQUIRED ELEMENTS. REFER TO THESE PLANS FOR DRAWINGS OF THE
PROJECT, VICINITY MAP, SITE MAP, CONVEYANCE SYSTEMS, EROSION AND
SEDIMENT CONTROL MEASURES, AND EROSION AND SEDIMENT CONTROL DETAILS.
ELEMENT #1: PRESERVE VEGETATION /MARK CLEARING LIMITS
1. PRIOR TO BEGINNING LAND DISTURBING ACTIVITIES (INCLUDING CLEARING AND
GRADING) CLEARLY MARK ALL CLEARING LIMITS AND TREES THAT ARE TO BE
PRESERVED WITHIN THE CONSTRUCTION AREA AS SHOWN ON THE DRAWINGS.
2. SILT FENCE, GEOTEXTILE ENCASED BARRIERS, CONSTRUCTION FENCE, ORANGE
PLASTIC FENCE, OR OTHER APPROVED MEASURES MAYBE USED TO MARK THE
CLEARING LIMITS AT THE CONTRACTOR'S OPTION.
3. THE DUFF LAYER, NATIVE TOPSOIL, AND NATURAL VEGETATION SHALL BE
RETAINED IN AN UNDISTURBED STATE TO THE MAXIMUM DEGREE PRACTICABLE.
SUGGESTED BMPs/BMPs TO BE USED:
CITY OF RENTON 212.00: STAKE AND WIRE FENCE
ELEMENT #2: ESTABLISH CONSTRUCTION ACCESS
1. CONSTRUCTION VEHICLE ACCESS AND EXIT SHALL BE LIMITED TO ONE
ROUTE. REFER TO SWPP PLAN OF THESE PLANS FOR THE CONSTRUCTION
ENTRANCE LOCATION. ALL ACCESS/EXIT POINTS SHALL BE STABILIZED WITH
QUARRY SPALLS, CRUSHED ROCK OR OTHER EQUIVALENT BMP, TO MINIMIZE THE
TRACKING OF SEDIMENT ONTO PUBLIC ROADS.
2. IF THE STABILIZED CONSTRUCTION ENTRANCE IS NOT EFFECTIVE IN
PREVENTING SEDIMENT FROM BEING TRACKED ONTO PUBLIC ROADS, WHEEL WASH
OR TIRE BATHS SHALL BE LOCATED ON SITE.
3. IF SEDIMENT IS TRACKED OFF SITE, PUBLIC OR PRIVATE ROADS SHALL BE
CLEANED THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY
DURING WET WEATHER. SEDIMENT SHALL BE REMOVED FROM ROADS BY
SHOVELING OR PICKUP SWEEPING AND SHALL BE TRANSPORTED TO A
CONTROLLED SEDIMENT DISPOSAL AREA.
4. STREET WASHING IS ALLOWED ONLY AFTER SEDIMENT IS REMOVED AS
DESCRIBED ABOVE. STREET WASH WASTEWATER SHALL BE CONTROLLED BY
PUMPING BACK ON SITE OR OTHERWISE BE PREVENTED FROM DISCHARGING INTO
SYSTEMS TRIBUTARY TO WATERS OF THE STATE.
SUGGESTED BMPs/BMPs TO BE USED:
CITY OF RENTON 215.10: STABILIZED CONSTRUCTION ENTRANCE
ELEMENT 113: CONTROL FLOW RATES
1. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL
BE PROTECTED FROM EROSION DUE TO INCREASES IN THE VELOCITY AND PEAK
VOLUMETRIC FLOW RATE OF STORMWATER RUNOFF FROM THE PROJECT SITE.
SUGGESTED BMPs/BMPs TO BE USED:
ELEMENT #4: INSTALL SEDIMENT CONTROLS
1. THE DUFF LAYER, NATIVE SOIL, AND NATURAL VEGETATION SHALL BE RETAINED
IN AN UNDISTURBED STATE TO THE MAXIMUM EXTENT PRACTICABLE.
2. SEDIMENT CONTROL BMPs SHALL BE CONSTRUCTED AS ONE OF THE FIRST
STEPS IN GRADING. THESE BMPs SHALL BE FUNCTIONAL BEFORE OTHER LAND
DISTURBING ACTIVITIES TAKE PLACE.
3. PRIOR TO LEAVING THE CONSTRUCTION SITE, STORM WATER RUNOFF FROM
DISTURBED AREAS SHALL PASS THROUGH AN APPROPRIATE SEDIMENT REMOVAL
BMP. RUNOFF FROM FULL STABILIZED AREAS MAY BE DISCHARGED WITHOUT A
SEDIMENT REMOVAL BMP, BUT MUST MEET THE FLOW CONTROL PERFORMANCE
STANDARD OF ELEMENT #3.
SUGGESTED BMPs/BMPs TO BE USED:
BMP C150: MATERIALS ON HAND
WSDOT 1-40.20-00: STORM DRAIN INLET PROTECTION
CITY OF RENTON 214.00: SILT FENCE
COMPOST SOCK: WSDOT 1-30.40-00
ELEMENT #5: STABILIZE SOILS
1. EXPOSED AND UNWORKED SOILS SHALL BE STABILIZED BY APPLICATION OF
EFFECTIVE BMPs THAT PROTECT THE SOIL FORM EROSIVE FORCES OF RAINDROPS.
FLOWING WATER, AND WIND.
2. TO PREVENT EROSION, NO SOILS SHALL REMAIN EXPOSED AND UNWORKED
FOR MORE THAN THE TIME PERIODS SET FORTH BELOW:
DURING THE WET SEASON (OCTOBER 1 -APRIL 30): 2 DAYS
DURING THE DRY SEASON (MAY 1 -SEPT. 30): 7 DAYS
THIS STABILIZATION REQUIREMENT APPLIES TO ALL SOILS ON SITE, WHETHER AT
FINAL GRADE OR NOT. THESE TIMES MAY BE ADJUSTED BY THE LOCAL
PERMITTING AUTHORITY IF IT CAN BE SHOWN THAT SITE CONDITIONS OR THE
AVERAGE TIME BETWEEN STORM EVENTS JUSTIFIES A DIFFERENT STANDARD.
3. SOILS SHALL BE STABILIZED AT THE END OF THE SHIFT BEFORE A HOLIDAY
OR WEEKEND IF NEEDED BASED ON THE WEATHER FORECAST.
4. SOIL STOCKPILES SHALL BE STABILIZED FROM EROSION, PROTECTED WITH
SEDIMENT TRAPPING MEASURES, AND WHERE POSSIBLE, BE LOCATED AWAY
FROM STORM DRAIN INLETS, WATERWAYS, AND DRAINAGE CHANNELS.
5. APPLICABLE BMPs INCLUDE, BUT ARE NOT LIMITED TO: TEMPORARY AND
PERMANENT SEEDING, SODDING, MULCHING, PLASTIC COVERING, EROSION CONTROL
FABRICS AND MATTING, SOIL APPLICATION OF POLYACRYLAMIDE (PAM), THE
EARLY APPLICATION OF GRAVEL BASE ON AREAS TO BE PAVED AND DUST
CONTROL. SELECT SOIL STABILIZATION MEASURES SHALL BE APPROPRIATE FOR
THE TIME OF YEAR, SITE CONDITIONS, ESTIMATED DURATION OF USE, AND THE
POTENTIAL WATER QUALITY IMPACTS.
6. REMOVE ALL TESC MEASURES AS SOON AS PRACTICAL AFTER
ESTABLISHMENT OF UNIFORM GRASS GROWTH OR INSTALLATIDN OF OTHER
PERMANENT STABILIZATION MEASURES. REPAIR ANY DAMAGE TO STABILIZED
SURFACES AFTER REMOVAL OF TESC MEASURES.
SUGGESTED BMPs/BMPs TO BE USED:
BMP C120: PERMANENT SEEDING & PLANTING
BMP C121: MULCHING
BMP C123: PLASTIC COVERING
BMP C140: DUST CONTROL
BMP C150: MATERIALS ON HAND
PORTION OF GOV'T LOT 1, SECTION 32, T 24 N, R 5 E, WM
ELEMENT #6: PROTECT SLOPES
1. DESIGN, CONSTRUCT, AND PHASE CUT AND FILL SLOPES IN A MANNER THAT
WILL MINIMIZE EROSION. APPLICABLE PRACTICES INCLUDE, BUT ARE NOT LIMITED
TO, REDUCING CONTINUOUS LENGTH OF SLOPE WITH TERRACING AND DIVERSIONS,
REDUCING SLOPE STEEPNESS, AND ROUGHENING SLOPE SURFACES' (e.g., TRACK
WALKING).
2. OFF-SITE STORMWATER RUN-ON OR GROUNDWATER SHALL BE DIVERTED
AWAY FROM SLOPES AND DISTURBED AREAS WITH INTERCEPTOR DIKES, PIPES,
AND/OR SWALES. OFF-SITE STORM WATER SHOULD BE MANAGED SEPARATELY
FROM STORMWA TER GENERATED ON THE SITE.
3. DO NOT CLEAR AND GRUB SLOPES GREATER THAN 4 (HORIZONTAL): 1
(VERTICAL) UNLESS FURTHER WORK RESULTING IN STABILIZATION OF THE SLOPES
TO BE CLEARED AND GRUBBED IS SCHEDULED.
4. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES,
CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS.
5. CHECK DAMS SHALL BE PLACED AT REGULAR INTERVALS WITHIN
CONSTRUCTED CHANNELS THAT ARE CUT DOWN A SLOPE.
SUGGESTED BMPs/BMPs TO BE USED:
BMP C150: MATERIALS ON HAND
ELEMENT #7: PROTECT DRAIN INLETS
1. ALL STORM DRAIN INLETS OPERABLE DURING CONSTRUCTION AND ALL INLETS
WITHIN 200' DOWNSTREAM OF THE PROJECT SITE SHALL BE PROTECTED WITH
CATCH BASIN FILTERS SO THAT STORMWATER RUNOFF DOES NOT ENTER THE
CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR TREATED TO REMOVE
SEDIMENT. CATCH BASIN FILTERS IN THE ROADWAY WILL BE OIL/SEDIMENT
FIL TERS AND CATCH BASIN FILTERS OUTSIDE OF THE ROADWAY WILL BE
SEDIMENT FILTERS.
2. APPROACH ROADS SHALL BE KEPT CLEAN. SEDIMENT AND STREET WASH
WATER SHALL NOT BE ALLOWED TO ENTER STORM DRAINS WITHOUT PRIOR AND
ADEQUATE TREATMENT.
3. INLET PROTECTION DEVICES SHOULD BE CLEANED OR REMOVED AND
REPLACED WHEN SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE
(OR WHEN FILLED WITH SIX-INCHES OF SEDIMENT).
BMPs TO BE USED:
BMP C220: STORM DRAIN INLET PROTECTION (WSDOT STD PLAN 1-40.20-00)
ELEMENT #B: STABILIZE CHANNELS AND OUTLETS
1. ALL TEMPORARY ON-SITE CONVEYANCE CHANNELS SHALL BE DESIGNED,
CONSTRUCTED AND STABILIZED TO PREVENT EROSION FRDM THE EXPECTED PEAK
10 MINUTE VELOCITY OF FLOW FROM A TYPE lA, 10-YR, 24-HR FREQUENCY
STORM FOR THE DEVELOPED CONDITION. ALTERNATIVELY, THE 10-YR, l-HR FLOW
RATE INDICATED BY AN APPROVED CONTINUOUS RUNOFF MODEL, INCREASED BY A
FACTOR OF 1.6, MAY BE USED.
2. STABILIZATION, INCLUDING ARMORING MATERIAL, ADEQUATE TO PREVENT
EROSION OF OUTLETS, ADJACENT STREAM BANKS, SLOPES, AND DOWNSTREAM
REACHES SHALL BE PROVIDED AT THE OUTLETS OF ALL CONVEYANCE SYSTEMS.
SUGGESTED BMPs/BMPs TO BE USED:
NOT APPLICABLE
ELEMENT #9: CONTROL POLLUTANTS
1. ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS,
THAT OCCUR ON SITE SHALL BE HANDLED AND DISPOSED OF IN A MANNER
THAT DOES NOT CAUSE CONTAMINATION OF STORMWATER.
2. COVER, CDNTAINMENT, AND PROTECTION FROM VANDALISM SHALL BE
PROVIDED FOR ALL CHEMICALS, LIQUID PRODUCTS, PETROLEUM PRODUCTS, AND
OTHER MATERIALS THAT HAVE THE POTENTIAL TO POSE A THREAT TO HUMAN
HEALTH OR THE ENVIRONMENT. ON-SITE FUELING TANKS SHALL INCLUDE
SECONDARY CONTAINMENT.
3. MAINTENANCE, FUELING, AND REPAIR OF HEAVY EQUIPMENT AND VEHICLES
SHALL BE CONDUCTED USING SPILL PREVENTION AND CONTROL-ME·ASURES." -
CONTAMINATED SURFACES SHALL BE CLEANED IMMEDIATELY FOLLOWING ANY SPILL
INCIDENT.
4. WHEEL WASH OR TIRE BATH WASTEWATER SHALL BE DISCHARGED TO A
SEPARATE ON-SITE TREATMENT SYSTEM OR TO THE SANITARY SEWER WITH
LOCAL SEWER DISTRICT APPROVAL.
5. APPLICATION OF FERTILIZERS AND PESTICIDES, SHALL BE CONDUCTED IN A
MANNER AND AT APPLICATION RATES THAT WILL NOT RESULT IN LOSS OF
CHEMICAL TO STORM WATER RUNOFF. MANUFACTURERS' LABEL REQUIREMENTS
FOR APPLICATION RATES AND PROCEDURES SHALL BE FOLLOWED.
6. BMPs SHALL BE USED TO PREVENT OR TREAT CONTAMINATION OF
STORMWATER RUNOFF BY pH MODIFYING SOURCES. THESE SOURCES INCLUDE,
BUT ARE NOT LIMITED TO: BULK CEMENT, CEMENT KILN DUST, FLY ASH, NEW
CONCRETE WASHING AND CURING WATERS, WASTE STREAMS GENERATED FROM
CONCRETE GRINDING AND SAWING, EXPOSED AGGREGATE PROCESSES, AND
CONCRETE PUMPING AND MIXER WASHOUT WATERS. PERMITTEES SHALL ADJUST
THE pH OF STORMWATER IF NECESSARY TO PREVENT VIOLATIONS OF WATER
QUALITY STANDARDS.
7. PERMITTEES SHALL DBTAIN WRITTEN APPROVAL FROM ECOLOGY PRIOR TO
USING CHEMICAL TREATMENT, OTHER THAN CARBON DIOXIDE OR DRY ICE TO
ADJUST pH.
SUGGESTED BMPs/BMPs TO BE USED:
BMP C151: CONCRETE HANDLING
BMP C152: SAWCUTTING AND SURFACING POLLUTION PREVENTION
BMP C153: MATERIAL DELIVERY, STORAGE & CONTAINMENT
ELEMENT #10: CONTROL DEWATERING
1. FOUNDATION, VAULT, AND TRENCH DE-WATERING WATER, WHICH HAVE SIMILAR
CHARACTERISTICS TO STORMWATER RUNOFF AT THE SITE, SHALL BE
DISCHARGED INTO A CONTROLLED CONVEYANCE SYSTEM PRIOR TO DISCHARGE TO
A SEDIMENT TRAP OR SEDIMENT POND.
2. CLEAN, NON-TURBID DE-WATERING WATER, SUCH AS WELL-POINT GROUND
WATER CAN BE DISCHARGED TO SYSTEMS TRIBUTARY TO, OR DIRECTLY INTO
SURFACE WATERS OF THE STATE, AS SPECIFIED IN ELEMENT #B, PROVIDED THE
DE -WATERING FLOW DOES NOT CAUSE EROSION OR FLOODING OF RECEIVING
WATERS. CLEAN DE-WATERING WATER SHOULD NOT BE ROUTED THROUGH
STORM WATER SEDIMENT PONDS .
3. OTHER DE-WATERING DISPOSAL OPTIONS MAY INCLUDE:
a) INFILTRATION.
b) TRANSPORT OFF SITE IN A VEHICLE, SUCH AS A VACUUM FLUSH TRUCK,
FOR LEGAL DISPOSAL IN A MANNER THAT DOES NOT POLLUTE STATE
WATERS.
c) ECOLOGY APPROVED ON-SITE CHEMICAL TREATMENT OR OTHER SUITABLE
TREATMENT TECHNOLOGIES.
d) SANITARY SEWER DISCHARGE WITH LOCAL SEWER DISTRICT APPROVAL, IF
THERE IS NO OTHER OPTION.
e) USE OF A SEDIMENTATION BAG (DIRTBAG OR APPROVED EQUAL) WITH OUTFALL
TO A DITCH OR SWALE FOR SMALL VOLUMES OF LOCALIZED DE-WATERING.
4. HIGHLY TURBID CONTAMINATED DEWATERING WATER FROM CONSTRUCTION
EQUIPMENT OPERATION, CLAMSHELL DIGGING, CONCRETE TREMIE POUR, OR WORK
INSIDE A COFFERDAM SHALL BE HANDLED SEPARATELY FROM STORM WATER.
ELEMENT #11: MAINTAIN BMPs
1. INSPECT EROSION CONTROL DEVICES ON A WEEKLY BASIS AND AFTER EACH
RUNOFF EVENT. MAKE NECESSARY REPAIRS AND MAINTENANCE TO ENSURE
CONTINUED PERFORMANCE OF EROSION AND SEDIMENT CONTROLS.
2. WHEN SEDIMENT ACCUMULATION IN SEDIMENTATION STRUCTURES, OTHER THAN
INLET PROTECTION DEVICES, HAS REACHED A POINT ONE-THIRD DEPTH OF
SEDIMENT STRUCTURE OR DEVICE, OR IF FLOW THROUGH THE DEVICE IS REDUCED
BY MORE THAN ONE-THIRD CAPACITY, THE CONTRACTOR SHALL REMOVE AND
REPLACE DISPOSABLE DEVICES OR CLEAN AND DISPOSE OF SEDIMENT.
3. TEMPORARY EROSION AND SEDIMENT CONTROL BMPs SHALL BE REMOVED
WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION IS ACHIEVED OR AFTER THE
TEMPORARY BMPs ARE NO LONGER NEEDED. TRAPPED SEDIMENT SHALL BE
REMOVED OR STABILIZED ON SITE. DISTURBED SOILS SHALL BE PERMANENTLY
STABILIZED.
ELEMENT #12: MANAGE THE PROJECT
1. PHASING OF CONSTRUCTION:
a) DEVELOPMENT PROJECTS SHALL BE PHASED WHERE FEASIBLE IN ORDER TO
PREVENT, TO THE MAXIMUM EXTENT PRACTICABLE, THE TRANSPORT OF
SEDIMENT FRDM THE DEVELOPMENT SITE DURING CONSTRUCTION. REVEGETATION
OF EXPOSED AREAS AND MAINTENANCE OF THAT VEGETATION SHALL BE AN
INTEGRAL PART OF THE CLEARING ACTIVITIES FOR ANY PHASE.
b) CLEARING AND GRADING ACTIVITIES FOR DEVELOPMENTS SHALL BE PERMITTED
ONL Y IF CONDUCTED PURSUANT TO AN APPROVED SITE DEVELOPMENT PLAN
(e.g., SUBDIVISION APPROVAL) THAT ESTABLISHES APPROVED AREAS OF
CLEARING, GRADING, CUTTING AND FILLING. WHEN ESTABLISHING THESE
PERMITTED CLEARING AND GRADING AREAS, CDNSIDERATION SHOULD BE GIVEN
TO MINIMIZING REMOVAL OF EXISTING TREES AND MINIMIZING DISTURBANCE AND
COMPACTION OF NATIVE SOILS EXCEPT AS NEEDED FOR BUILDING PURPOSES.
THESE PERMITTED CLEARING AND GRADING AREAS AND ANY OTHER AREAS
REQUIRED TO PRESERVE CRITICAL OR SENSITIVE AREAS, BUFFERS, NATIVE
GROWTH PROTECTION EASEMENTS, OR TREE RETENTION AREAS AS MAY BE
REQUIRED BY LOCAL JURISDICTIONS, SHALL BE DELINEATED ON THE SITE
PLANS AND THE DEVELOPMENT SITE.
2. SEASONAL WORK LIMITATIONS:
FROM DCTOBER 1 THROUGH APRIL 30, CLEARING, GRADING, AND OTHER SOIL
DISTURBING ACTIVITIES SHALL ONLY BE PERMITTED IF SHOWN TO THE
SATISFACTION OF THE LOCAL PERMITTING AUTHORITY THAT THE TRANSPORT OF
SEDIMENT FROM THE CONSTRUCTION SITE TO RECEIVING WATERS WILL BE
PREVENTED THROUGH A COMBINATION OF THE FOLLOWING:
a) SITE CONDITIONS INCLUDING EXISTING VEGETATIVE COVERAGE, SLOPE, SOIL
TYPE, AND PROXIMITY TO RECEIVING WATERS; AND
b) LIMITATIONS ON ACTIVITIES AND THE EXTEND OF DISTURBED AREAS; AND
c) PROPOSED EROSION AND SEDIMENT CONTROL MEASURES.
BASED ON THE INFORMATION PROVIDED AND LOCAL WEATHER CONDITIONS, THE
PROJECT LEAD MAY EXPAND OR RESTRICT THE SEASONAL LIMITATION ON SITE
DISTURBANCE. THE PROJECT LEAD SHALL TAKE ENFORCEMENT ACTION -SUCH
AS NOTICE OF VIOLATION, ADMINISTRATIVE ORDER, PENALTY, OR STOP-WORK
ORDER UNDER THE FOLLOWING CIRCUMSTANCES:
-IF, DURING THE COURSE OF ANY CONSTRUCTION ACTIVITY OR SOIL
DISTURBANCE DURING THE SEASONAL LIMITATION PERIOD, SEDIMENT LEAVES
THE CONSTRUCTION SITE CAUSING A VIOLATION OF THE SURFACE WATER
QUALITY STANDARD; OR
-IF CLEARING AND GRADING LIMITS OR EROSION AND SEDIMENT CONTROLS
MEASURES SHOWN IN THE APPROVED PLAN ARE NOT MAINTAINED.
THE FOLLOWING ACTIVITIES ARE EXEMPT FROM THE SEASONAL CLEARING AND
GRADING LIMITATIONS:
a) ROUTINE MAINTENANCE AND NECESSARY REPAIR OF EROSION AND SEDIMENT
CONTROL BMPs;
b) ROUTINE MAINTENANCE OF PUBLIC FACILITIES OR EXISTING UTILITY
STRUCTURES THAT DO NOT EXPOSE THE SOIL OR RESULT IN THE REMOVAL OF
THE VEGETATIVE COVER TO SOIL; AND
c) ACTIVITIES WHERE THERE IS ONE HUNDRED PERCENT INFILTRATION OF
SURFACE WATER RUNOFF WITHIN THE SITE IN APPROVED AND INSTALLED
EROSION AND SEDIMENT CONTROL FACILITIES.
3. COORDINATE WITH UTILITIES AND OTHER CONTRACTORS
THE PRIMARY PROJECT PROPONENT SHALL EVALUATE, WITH INPUT FROM UTILITIES
AND OTHER CONTRACTORS, THE STORM WATER MANAGEMENT REQUIREMENTS FOR
THE ENTIRE PROJECT, INCLUDING THE UTILITIES, WHEN PREPARING THE
CONSTRUCTION SWPPP.
4. INSPECTION AND MONITORING:
a) A CERTIFIED PROFESSIONAL IN EROSION AND SEDIMENT CONTROL SHALL BE
IDENTIFIED AT THE PRE-CONSTRUCTION MEETING AND SHALL BE ON-SITE
OR ON-CALL AT ALL TIMES. EMERGENCY CONTACT INFORMATION SHALL BE
KEPT ON-SITE. CERTIFICATION MAY BE THROUGH THE CONSTRUCTION SITE
EROSION AND SEDIMENT CONTROL CERTIFICATION PROGRAM OFFERED BY
WSDOT, ASSOCIATED GENERAL CONTRACTORS OF WASHINGTON -EDUCATION
FOUNDATION, OR ANY EQUIVALENT LOCAL OR NATIONAL CERTIFICATION
AND/OR TRAINING PROGRAM.
b) IF INSPECTION AND/OR WATER MONITORING OF SITE RUNOFF REVEALS THAT
THE BMPs IDENTIFIED IN THE CONSTRUCTION SWPPP ARE INADEQUATE, THE
CONTRACTOR SHALL IMMEDIA TEL Y ADD BMPs TO THE SWPPP AS
NECESSARY.
4. THE CONSTRUCTION SWPPP SHALL BE RETAINED ON-SITE. THE
CONTRACTOR'S TESC RECORD OF RAINFALL, TESC MEASURES, AND INSPECTION
SHALL BECOME PART OF THE SWPPP. THE CONSTRUCTION SWPPP SHALL BE
MODIFIED BY THE CONTRACTOR'S TESC RECORD WHENEVER THERE IS A
SIGNIFICANT CHANGE IN THE DESIGN, CONSTRUCTION, OPERATION, OR
MAINTENANCE OF ANY BMP.
NPDES PERMIT REQUIREMENTS
SITE LOG BOOK
A SITE LOG BOOK SHALL CONTAIN A RECORD OF THE IMPLEMENTATION OF THE SWPPP
AND OTHER PERMIT REQUIREMENTS INCLUDING THE INSTALLATION AND MAINTENANCE OF
BMPs, SITE INSPECTIONS AND STORM WATER MONITORING.
SITE INSPECTIONS
SITE INSPECTIONS SHALL INCLUDE ALL AREAS DISTURBED BY CONSTRUCTION ACTIVITIES,
ALL BMPs, AND ALL STORM WATER DISCHARGE POINTS. STORM WATER SHALL BE
VISUALLY EXAMINED FOR THE PRESENCE OF SUSPENDED SEDIMENT, TURBIDITY,
DISCOLORATION, AND OIL SHEEN. INSPECTORS SHALL EVALUATE THE EFFECTIVENESS
OF BMPs AND DETERMINE IF IT IS NECESSARY TO INSTALL, MAINTAIN, OR REPAIR BMPs
TO IMPROVE THE QUALITY OF STORM WATER DISCHARGES.
BASED ON THE RESULTS OF THE INSPECTION, THE CONTRACTOR SHALL CORRECT THE
PROBLEMS IDENTIFIED AS FOLLOWS:
A. MAKE APPROPRIATE CORRECTION WITHIN 7 DAYS OF TEH INSPECTION; AND
B. FULLY IMPLEMENT AND MAINTAIN APPRDPRIATE SOURCE CONTROL AND/OR
TREATMENT BMPs AS SOON AS POSSIBLE, BUT NO LATER THAN 10 DAYS OF TEH
INSPECTION; AND
C. DOCUMENT BMP IMPLEMENTATION AND MAINTENANCE IN THE SITE LOG BOOK.
,
SITE INSPECTIONS SHALL BE CONDUCTED AT LEAST ONCE EVERY CALENDAR WEEK AND
WITHIN 24 HOURS OF ANY DISCHARGE FROM THE SITE. THE INSPECTION FREQUENCY
FOR TEMPORARILY STABILIZED, INACTIVE SITE MAY BE REDUCED TO ONCE EVERY
CALENDAR MONTH.
THE INSPECTOR SHALL SUMMARIZE THE RESULTS OF EACH INSPECTION IN AN
INSPECTION REPORT OR CHECKLIST AND BE ENTERED INTO, OR ATTACHED TO, THE SITE
LOG BOOK. AT A MINIMUM, EACH INSPECTION REPORT OR CHECKLIST SHALL INCLUDE:
a. INSPECTION DATE AND TIME.
b. WEATHER INFORMATION, GENERAL CONDITIONS DURING INSPECTION AND
APPROXIMATE AMOUNT OF PRECIPITATION SINCE THE LAST INSPECTION, AND WITHIN
THE LAST 24 HOURS.
c. A SUMMARY OR LIST OF ALL BMPs WHICH HAVE BEEN IMPLEMENTED, INCLUDING
OBSERVATIONS OF ALL EROSION/SEDIMENT CONTROL STRUCTURES OR PRACTICES.
d. THE FOLLOWING SHALL BE NOTED:
i. LOCATIONS OF BMPs INSPECTED,
ii. LOCATIONS OF BMPs THAT NEED MAINTENANCE,
iii. THE REASON MAINTENANCE IS NEEDED,
iv. LOCATIONS OF BMPs THAT FAILED TO OPERATE AS DESIGNED OR INTENDED, AND
v. LOCATIONS WHERE ADDITIONAL OR DIFFERENT BMPs ARE NEEDED, AND THE
REASON(S) WHY.
e. A DESCRIPTION OF STORMWATER DISCHARGED FROM THE SITE. THE INSPECTOR
SHALL NOTE THE PRESENCE OF SUSPENDED SEDIMENT, TURBID WATER, DISCOLORATION,
AND/OR OIL SHEEN, AS APPLICABLE.
f. ANY WATER QUALITY MONITORING PERFORMED DURING INSPECTION.
g. GENERAL COMMENTS AND NOTES, INCLUDING A BRIEF DESCRIPTION OF ANY BMP
REPAIRS, MAINTENANCE OR INSTALLATION MADE AS A RESULT OF THE INSPECTION.
h. NAME, TITLE, AND SIGNATURE OF TEH PERSON CONDUCTING SITE INSPECTION; AND
THE FOLLOWING STATEMENT: "I CERTIFY THAT THIS REPORT IS TRUE, ACCURATE, AND
COMPLETE, TO THE BEST OF MY KNOWLEDGE AND BELIEF".
TURBIDITY (TRANSPARENCY SAMPLING REQUIREMENTS
1. SAMPLING METHODS/EFFECTIVE DATES
a.BEGINNING OCTOBER 1, 200B, IF CONSTRUCTION ACTIVITY WILL INVOLVE THE DISTURBANCE OF 1
ACRES OR MORE, THE PERMITTEE SHALL CONDUCT TURBIDITY SAMPLING PER CONDITION S4.C.
2. SAMPLING FREQUENCY
a. SAMPLING SHALL BE CONDUCTED AT LEAST ONCE EVERY CALENDAR WEEK, WHEN THERE IS A
DISCHARGE OF STORM WATER (OR AUTHORIZED NON-STORM WATER) FROM T~E SITE. SAMPLES
SHALL BE REPRESENTATIVE OF THE FLOW AND CHARACTERISTICS OF THE Clt'1.CIj.ARGE;·_ >. _,
b. WHEN THERE IS NO DISCHARGE DURING A CALENDAR WEEK, SAMPLING IS [;rOT REQUIRED.' ' .
c. SAMPLING IS NOT REQUIRED OUTSIDE OF NORMAL WORKING HOURS OR DURING UNSAFE CONDITIONS.
IF A PERMITTEE IS UNABLE TO SAMPLE DURING A MONITORING PERIOD, THE DISCHARGE MONITORING
REPORT (DMR) SHALL INCLUDE A BRIEF EXPLANATION.
3. SAMPLING LOCATIONS
a.SAMPLING IS REQUIRED AT ALL DISCHARGE POINTS WHERE STORM WATER (OR AUTHORIZED
NON-STORM WATER) IS DISCHARGED OFF -SITE.
b.ALL SAMPLING POINT(S) SHALL BE IDENTIFIED ON THE SWPPP SITE MAP AND BE CLEARLY MARKED
IN THE FIELD WITH A FLAG, TAPE, STAKE OR OTHER VISIBLE MARKER. .
4. SAMPLING AND ANALYSIS METHODS
a. TURBIDITY ANALYSIS SHALL BE PERFORMED WITH A CALIBRATED TURBIDITY METER (TURBIDIMETER),
EITHER ON-SITE OR AT AN ACCREDITED LAB. THE RESULTS SHALL BE RECORDED IN THE SITE LOG
BOOK IN NEPHELOMETRIC TURBIDITY UNITS (NTU).
b. TRANSPARENCY ANALYSIS SHALL BE PERFORMED ON-SITE WITH A 1 Y. INGH DIAMETER, 60
CENTIMETER (CM) LONG TRANSPARENCY TUBE. THE RESULTS SHALL BE R~CORDED IN THE SITE
LOG BOOK IN CENTIMETERS (CM). TRANSPARENCY TUBES ARE AVAILABLE FROM:
htt / / t ·t· ui~ com/Daaes/stream hlml ~: wa ermonl onngeQ
I
ANALYTICAL METHOD SAMPLING BENCHMARK PARAMETER UNITS FREQUENCY VALUE
TURBIDITY NTU SM2130 DR EPA 180.1 \JEEKL y, IF 25 NTU
DISCHARGING
TRANSPARENCY CM 'MANUFACTURER \JEEKL Y, IF 31 CM
INSTRUCTIONS, DR DISCHARGING
ECOLOGY GUIDANCE
5. TURBIDITY/TRANSPARENCY BENCHMARK VALUES
THE BENCHMARK VALUE FOR TURBIDITY IS 25 NTU (NEPHELOMETRIC TURBIDITY UNITS); AND THE
BENCHMARK VALUE FOR TRANSPARENCY IS 31 CM.
a. TURBIDITY 26 249 NTU, OR TRANSPARENCY 30-7 CM:
IF DISCHARGE TURBIDITY IS GREATER THAN 25 NTU, BUT LESS THAN 250 NTU; OR IF DISCHARGE
TRANSPARENCY IS LESS THAN 31 CM, BUT GREATER THAN 6 CM, THE CESCL SHALL:
i. REVIEW THE SWPPP FOR COMPLIANCE WITH CONDITION S9 AND MAKE APPROPRIATE REVISIONS
WITHIN 7 DAYS OF THE DISCHARGE THAT EXCEEDED THE BENCHMARK; AND
II. FULLY IMPLEMENT AND MAINTAIN APPROPRIATE SOURCE CONTROL AND/OR TREATMENT
BMPs AS SOON AS POSSIBLE, BUT WITHIN 10 DAYS OF THE DISCHARGE THAT EXCEEDED THE
BENCHMARK; AND
III. DOCUMENT BMP IMPLEMENTATION AND MAINTENANCE IN THE SITE LOG BOOK.
b.TURBIDITY 250 NTU OR GREATER, OR TRANSPARENCY 6 CM OR LESS:
IF DISCHARGE IS GREATER THAN OR EQUAL TO 250 NTU; OR IF DISCHARGE TRANSPARENCY IS
LESS THAN OR EQUAL TO 6 CM, THE CESCL SHALL:
i. NOTIFY ECOLOGY BY PHONE IN ACCORDANCE WITH CONDITION S5.A.; AND
ii. REVIEW THE SWPPP FOR COMPLIANCE WITH CONDITION S9 AND MAKE APPROPRIATE REVISIONS
WITHIN 7 DAYS OF THE DISCHARGE THAT EXCEEDED THE BENCHMARK; AND
iii. FULLY IMPLEMENT AND MAINTAIN APPROPRIATE SOURCE CONTROL AND/OR TREATMENT BMPs AS
SOON AS POSSIBLE, BUT WITHIN 10 DAYS OF DISCHARGE THAT EXCEEDED THE BENCHMARK;
iv. DOCUMENT BMP IMPLEMENTATION AND MAINTENANCE IN THE SITE LOG BOOK; AND
v. CONTINUE TO SAMPLE DISCHARGES DAILY UNTIL:
1. TURBIDITY IS 25 NTU (OR LOWER); OR
2. TRANSPARENCY IS 31 CM OR (OR GREATER); OR
3. THE CESCL HAS DEMONSTRATED COMPLIANCE WITH THE WATER Q.UALITY STANDARD FOR
TURBIDITY:
a .NO MORE THAN 5 NTU OVER BACKGROUND TURBIDITY, IF BACKGROUND IS LESS THAN
50 NTU, OR
b.NO MORE THAN 10 % DVER BACKGROUND TURBIDITY, IF BACKGROUND IS 50 NTU OR
GREATER; OR
4. THE DISCHARGE STOPS OR IS ELIMINATED
NOTE: ALL SECTIONS REFERENCED IN THE SAMPLING REQUIREMENTS CAN BE LOCATED IN THE NPDES PERMIT.
City of Renton
Planning Division
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GEOTEXTllE FOR SEPARATION GEOTEXTllE FOR SEPARATION
(MIRAFI 500x OR EQUAL)
Fill IS REQUIRED IN SOME AREAS & SHAll
BE GRAVEL BORROW WSDOT 9-03.14(1)
NOTE:
(MIRAFI 50 Ox OR EQUAL)
Fill IS REQUIRED IN SOME AREAS & SHAll
BE GRAVEL BORROW WSDOT 9-03.14(1)
FINE BARK MULCH SHAll CONSIST OF
FIR/HEMLOCK BARK, 1" MINUS PARTICLE SIZE,
PACIFIC TOPSOilS, INC OR APPROVED EQUAL.
SECTION A-A
TYPICAL TRAIL X-SECTION
NOT TO SCALE
i I ............ ,-
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SECTION 8-8
TYPICAL TRAIL X-SECTION
NOT TO SCALE
CONSTRUCTION NOTES
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CONSTRUCT 6' WIDE WALKING TRAil PER TRAil SECTIONS 'A' & 'B'.
REMOVE, HAUL AND DISPOSE OF EXISTING ORGANIC MATERIAL WITHIN TRAil
SECTION OFFSITE.
INSTAll FilTER FABRIC SILT FENCE AROUND STOCKPilE AREA.
SEE TESC PLAN SHEET C3.
CONTRACTOR TO INSTAll All EROSION CONTROL BMP'S SHOWN ON SHEET
C3 PRIOR T0 COMMENCING lAND DISTURBING ACTIVITIES.
.,~ \
. CONTRACTOR SHAll LIMIT DISTURBANCE OF EXISTING VEGETATION TO THE
GREA TEST EXTENT POSSIBLE. All DISTURBED AREAS SHAll BE
STABILIZED PER MITIGATION PLANS .
CONTRACTOR SHAll ACCESS PROPERTY FROM NORTH FOR CONSTRUCTION
AND KEEP lAKE WASHINGTON BLVD N CLEAN BY SWEEPING DAilY (SEE
TESC PLAN SHEET C3). CONSTRUCTION ACCESS EASEMENT TO BE
COORDINA TED THROUGH CITY OF RENTON & PROPERTY OWNER.
AREAS OUTSIDE HIGH VISIBILITY FENCE TO REMAIN UNDISTURBED WITH THE
EXCEPTION OF AREA ENCLOSED BY TRAil 1 & 2 AS BID Al TERNA TE #1.
SEE NOTE 6, SHEET C3.
SUMMARY OF GRADING QUANTITIES
-PARCEL SIZE: 3.09 ACRES (134,531 SF)
-WORK AREA: 1.50 ACRES (65,352 SF)
-ORGANIC MATERIAL TO BE REMOVED FROM SITE & DISPOSED IN AN
APPROVED lANDFill FOR TRAil CONSTRUCTION IS 250 CUBIC YARDS
(372 TONS). QUANTITY TO BE VERIFIED BY CONTRACTOR.
-GRAVEL BORROW TO BE IMPORTED FROM APPROVED BORROW FACILITY FOR
TRAil CONSTRUCTION IS 230 CUBIC YARDS (370 TONS).
-FINE BARK MULCH TO BE IMPORTED FROM APPROVED BORROW FACILITY FOR
TRAil CONSTRUCTION IS 92 CUBIC YARDS (138 TONS).
City of Renton
Planning Division
MAY -91011
100% SUBMITTAL
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DATE: APRil, 2012
DESIGN: BRD
DRAWN: ClK
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NUMBER:
SCALE: 1" = 40'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
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ANoASSOCIATES INC.
415· 118th AvenueSE
Bellevue Washington 98005·3518
Phone: 425.519.6500
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TRAIL ALIGNMENT PROFILES
MAY CREEK TRAIL
FOR
CITY OF RENTON
RENTON, WASHINGTON
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CITY OF RENTON
MITIGATION SUMMARY
-
OVERLOOK
PULL-OUT AREA
SHORELINE IMPACT (FROM PEDESTRIAN TRAIL) PROPOSED MITIGATION
SHORELINE IMPACT: 8,865 S,F, @ 1: 1 ENHANCEMENT 8,865 S.F.
(PEDESTRIAN TRAIL)
TOTAL SHORELINE IMPACT == 8,865 S.F. MITIGA TION REQUIRED == 8,865 S.F.
BASE MITIGATION PROVIDED
WETLAND 'A' ENHANCEMENT == 786 sr.
SHORELINE ENHANCEMENT = 42,015 S.F.
AL T 1 MITIGATION PROVIDED
SHORELINE ENHANCEMENT = 15,219 S.F.
TOTAL
MITIGA TlON PROVIDED 58,020 S.F.
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CONSTRUCTION EASEMENT
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OBSERVATION
ACCESS TO
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SHORELINE IMPACT
SHORELINE ENHANCEMENT (BASE)
AL TERNATE-1 BOUNDARY
SHORELINE ENHANCEMENT (ALTERNATE -1)
FUTURE CONNECTION TO
'-J',' N.",<",'" / OFF-SITE DEVELOPMENT
75'
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20' WIDE GITY OF
RENTON UTILITY
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0080741 AND
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ALTERNATE -1 AREA
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EXISTING SNAG TO REMAIN
EXISTING TREE TO REMAIN
NOTES
1. THE IRRIGATION PLAN IS DIAGRAMMATIC. INSTALL MAINLINE,
VALVES, PIPE AND ASSOCIATED EQUIPMENT IN PLANTER BEDS.
2. SEE SHEET M-3 FOR IRRIGATION NOTES AND DETAILS.
IRRIGATION SCHEDULE
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== == == == == ==
PRESSURE REDUCER -WADS U5B-Z3 -1"
WADS BALL VALVE (ISOLATION VALVE)-SIZE SAME AS LINE
RAINBIRD 5-RC 1" QUICK COUPLING VALVE WI 55-K-l 1" VALVE KEYS
NIBCO MANUAL DRAIN VALVE -2"
RAINBIRD 100-PEB REMOTE CONTROL VALVE WITH TBOS LATCHING
SOLENOID -SIZE PER PLAN
HUNTER XCH-1200 12 STATION CONTROLLER. BADERY PROVIDED BY OWNER.
SCH 40 PVC LATERAL -1.5" UNLESS OTHERWISE NOTED ON PLAN
SCH 40 PVC MAINLINE -2" UNLESS OTHERWISE NOTED ON PLAN
SCH 40 PVC SLEEVE -TWICE THE DIAMETER OF THE WORKING PIPE(S) (MIN.)
VALVE NUMBER ---BE
1.0" -VALVE SIZE
GALLONS PER MINUTE--10
IRRIGATION SPRAY HEAD LEGEND
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POINT OF CONNECTION FOR TEMPORARY /
IRRIGATION SYSTEM IS EXISTING CITY 1" METER L---+/---'~
WITH DCVA. CONTRACTOR SHALL COORDINATE
CONNECTION WITH CITY OF RENTON.
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REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: JCGA
DRAWN: JCGA
CHECKED: JCGA
REVISION
NUMBER:
SCALE: 1"=30'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
IAIRMP002RENT15
SHEET NO.
M-2
OF17
01
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IRRIGATION NOTES
1. ALL NEW LANDSCAPE AREAS SHALL HAVE AN AUTOMATICALLY CONTROLLED, TEMPORARY ON-GRADE
IRRIGATION SYSTEM. SYSTEM SHALL BE DESIGNED TO CONSERVE WATER. IRRIGATION SYSTEM WORK INCLUDES
EXCAVATING, BACKFILLING, SUPPLYING AND INSTAlliNG VALVES AND FITTINGS, PIPING AND FITTINGS, QUICK
COUPLER VALVES, VALVE BOXES, AND ACCESSORIES, TESTING, AND WINTERIZING AND SPRING START UP.
2. THE IRRIGATION SYSTEM 'HAS BEEN DESIGNED FOR A MAXIMUM FLOW OF 38.5 GPM AT A STATIC
PRESSURE OF 120 PSI. IF AVAILABLE PSI IS LOWER THAN 80 PSI, CONTRACTOR
SHALL CONTACT LANDSCAPE ARCHITECT PRIOR TO CONSTRUCTION FOR SYSTEM DESIGN ADJUSTMENT,
3. THE IRRIGATION PLAN IS DIAGRAMMATIC. INSTALL MAINLINE, VALVES, PIPE, AND ASSOCIATED EQUIPMENT IN
PLANTING AREAS. FIELD-ADJUST AROUND EXISTING TREES AND PROPOSED TRAIL AS NECESSARY. ALL
ON-GRADE PIPE SHALL BE COVERED WITH HOGFUEL MULCH.
4. IRRIGATION CONTROLLER LOCATION. SHALL BE COORDINATED WITH OWNER.
5. LOCATE ALL ABOVE AND BELOW GROUND UTILITIES AND PROTECT THEM FROM DAMAGE DURING
CONSTRUCTION. CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE INCURRED DURING, OR AS A RESULT OF,
CONSTRUCTION OF IRRIGATION SYSTEM.
6. IT SHALL BE THE LANDSCAPE CONTRACTOR'S RESPONSIBILITY TO COORDINA TE INSTALLATION OF IRRIGATION
SLEEVES WITH THE GENERAL CONTRACTOR.
7. INSTALL SYSTEM TO MEET ALL APPLICABLE CODES AND INSPECTIONS AND OBTAIN ALL REQUIRED PERMITS
PRIOR TO CONSTRUCTION.
8. INSTALL ALL MATERIALS AND EQUIPMENT IN STRICT ACCORDANCE WITH MANUFACTURER'S WRITTEN
SPECIFICATIONS AND RECOMMENDATIONS.
9. PROVIDE ONLY NEW MATERIALS, WITHOUT FLAWS OR DEFECTS AND. OF THE HIGHEST QUALITY OF THEIR
SPECIFIED CLASS AND KIND FOR COMMERCIAL USE.
A. PVC MAINLINE AND LATERAL PIPE SHALL BE CONSTRUCTED OF SCHEDULE 40 PVC. ALL PIPES SHALL
BE PERMANENTLY PRINTED WITH STANDARD PERTINENT INFORMATION.
B. PVC FITTINGS SHALL BE SCHEDULE 80 RATED FOR MAINLINE AND SCHEDULE 40 RATED FOR LATERALS
AND MEET ASTM D2466 STANDARDS AND SPECIFICATIONS.
C. PVC NIPPLES SHALL BE SCHEDULE 80 RATED AND MEET ASTM D1785 REQUIREMENTS AND
SPECIFICATIONS. ALL NIPPLES WILL HAVE TAPERED THREADS.
D. JOINING MATERIALS USED SHALL BE MANUFACTURED BY I.P.S. OR APPROVED EQUIVALENT, AND SHALL
BE USED IN ACCORDANCE WITH THE MANUFACTURER'S WRITTEN SPECIFICATIONS AND SAFETY
RECOMMENDATIONS.
E. THREADED CONNECTIONS (PVC) SHALL BE SEALED WITH TEFLON TAPE OR TEFLON PASTE.
F'. IRRIGATION SLEEVES SHALL BE SCHEDULE 40 PVC AND SIZED DOUBLE THE COMBINED OUTSIDE
DIAMETER OF THE PIPE(S) RUNNING THROUGH IT.
G. ALL IRRIGATION WIRING TO BE "MUL TISTRAND" WIRING
H. RELOCATE MANUAL DRAIN VALVES TO MAINLINE LOW POINTS AS NECESSARY.
I. PIN ABOVE GROUND PIPING WITH #4 REBAR 'J' HOOKS @ 10' O.C. 'J' HOOKS SHALL NOT PINCH OR BIND
PIPING.
10. CONTRACTOR SHALL PROVIDE IRRIGATION SYSTEM RECORD DRAWINGS LEGIBLY MARKED TO RECORD ACTUAL
INSTALLATION. DRAWINGS SHALL INDICATE HORIZONTAL AND VERTICAL LOCATIONS, REFERENCED TO PERMANENT
SURFACE IMPROVEMENTS. IDENTIFY FIELD CHANGES OF DIMENSION AND DETAIL INCLUDING CHANGES MADE BY
CHANGE ORDER. AN 11 "X17" PLAN SHALL BE LAMINATED AND PLACED AT THE CONTROLLER LOCATION LEGIBLY
SHOWING COLOR-CODED ZONES.
11. CONTRACTOR SHALL REVIEW ENTIRE SYSTEM WITH OWNER'S REPRESENTATIVE AND SUPPLY OPERATIONS
MANUAL AND WARRANTIES.
12. WINTERIZATION: CONTRACTOR SHALL INSPECT SYSTEM, SHUTOFF AND DRAIN PIPE BETWEEN SHUTOFFS AND
DOUBLE-CHECK VALVE AND BLOW OUT SYSTEM COMPLETELY BETWEEN OCTOBER 1 AND OCTOBER 15 DURING
THE WARRANTY PERIOD FOR WINTERIZATION .
13. SPRING STARTUP: CONTRACTOR SHALL INSPECT, PRESSURIZE SYSTEM, REPAIR LEAKS AND ANY FAULTY
WORK, ADJUST AND PROGRAM CONTROLLERS AS NECESSARY BEFORE MARCH 31 FOR SPRING STARTUP.
14. CONTRACTOR SHALL LEAVE ALL TEMPORARY ON-GRADE IRRIGATION SYSTEM COMPONENTS IN PLACE AT
END OF 1 YEAR WARRANTY PERIOD. ALL MITIGATION SYSTEM COMPONENTS SHALL BELONG TO THE OWNER.
15. LATCHING SOLENOIDS SHALL BE RETRO FITTED ON ALL VALVES FOR BATTERY OPERATED CONTROLLER.
PORTION OF GOV'T LOT 1, SECTION 32,· TWP 24N, RNG. 5E., W.M.
* USE BOTTOM INLET FOR
CHECK VALVE TYPE ENDS
SPRAY NOZZLE
RAIN BIRD 1800-'SAM-PRS
SPRAY BODY
STAINLESS STEEL CLAMP r SBE-050 1/2" MALE NPT XO.49*
BARB ELBOW, TYPICAL BOTH ENDS
3' +-1' . (TYPICAL) /r-HOG FUEL MULCH OVER PIPE
SP-'1/2" /.0. TUBING
(LENGTH AS REQUIRED)
--. -----~ TOP OF BARK MULCH
J-.!-.
2' MIN
'-----PVC LATERAL PIPE
~-FINISH GRADE
'--__ #6 REBAR WITH STAINLESS
STEEL CLAMPS ATTACHED TO
RISER (LENGTH AS NECESSARY
FOR SUPPORT)
SPRINKLER INSTALLATION (ON-GRADE)
NOT TO SCALE
CARSON VALVE BOX MODEL -~
L2200-18 W /LOCKING LID
& EXTENSION AS
NECESSARY
REMOTE CONTROL VALVE
WITH LATCHING SOLENOID
24" MII\h~
WIRE LOOP 1~?~~~1
VALVE
1.0. TAG
SCOTCHCAST
400 SIZE G
UNION
LATERAL
MANLlNE------'rltt--
#14 WI;~lld.!I!I!llllj~~~F~INISH GRADE . I
DRAINAGE GRAVEL
AUTOMATIC CONTROL VALVE (ON GRADE)
Nor TO SCALE
rr----CLEAN BACKFILL TO BE SET IN 6"
LIFTS.
----INSTALL UNDERGROUND UTILITY LINE
MARKING TAPE OVER MAINLINE
/d'-/c7"!------LATERAL LINE WITH SLEEVE
J ~~%42-4t_----INSTALL UNDERGROUND UTILITY LINE
I"-TRACE COPPER WIRE OVER MAINLINE
.----QUICK-COUPLING VALVE
PVC SCH 80 NIPPLE
(LENGTH AS REQUIRED)
PVC SCH 40 TEE OR ELL
PVC MAINLINE PIPE (ON GRADE)
TOP OF HOG FUEL MULCH
',,-'t-----PRESSURE MAIN LINE WITH SLEEVE -[-------------
NOTES:
"-J------CLEAN SAND
t==~:w~~~?I-------CONTROL WIRES SLEEVE
6"
TRENCHING SHALL ONLY BE FOR
SLEEVING AND OFF-SITE MAINLINE
1. ALL SLEEVES TO BE PVC. SCH. 40 AND TWICE THE DIAMETER OF THE WORKING PIPES.
2. ALL SLEEVES TO RUN A MIN. OF 12" BEYOND EDGE OF TRAIL
3. EACH END OFF SLEEVING SHALL BE MARKED WITH 2"X4" STAKE.
IRRIGATION SLEEVING AND TRENCHING
NOT TO SCALE
______ . ________ JI't----"'. ~ ~S~L O~utg~
SUPPLY LINE -~-{(
PVC.JEE
PVC REDUCER
FITTING
PVC NIPPLE (TY .
OF 3)
PVC E LL ~--;=;TI='171=;-/:'3i"tj 11'
VALVE BOX 10"
. ROUND.
~~Il-~-8" NOM. DIA. PVC
.~ PIPE
1" MANUAL DRAIN
VALVE
Q
MANUAL DRAIN VALVE
NOT TO SCALE
NOTE:
------'-#6 REBAR WITH STAINLESS
NOTE:
STEEL CLAMPS ATTACHED TO
RISER (LENGTH AS NECESSARY
FOR SUPPORT)
1. FURNISH FITTINGS AND PIPING NOMINALLY SIZED IDENTICAL TO
NOMINAL QUICK COUPLING VALVE INLET SIZE.
QUICK COUPLER VALVE (ON-GRADE)
NOT TO SCALE
/
BALL VALVE (ON GRADE)
NOT TO SCALE
BALL VALVE WITH
HAND WHEEL
1. USE TEFLON TAPE ON ALL THREADED
CONNECTIONS. ~ STANDARD VALVE BOX WITH
/ LOCKING LID.
c
~_411 X 611 X 7'
PRESSURE-TREATED WOOD
POST
.___-IRRIGATION CONTROLLER
BATTERY SUPPLIED BY
OWNER
___ TOP -PU1QGJU[L MUILCII
COMPACTED SUBGRADE
COMMERCIAL
CONCRETE POST
FOOTING
IRRIGATION CONTROLLER MOUNT
NOT TO SCALE
---'Y-~------------------------~~-------n
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GRAVEL SUMP
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PAVER FOOTING
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PRESSURE REDUCER
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1000/0 FINAL SUBMITTAL
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Planning DiviSion
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LANDSC ARCHITECT
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APPD.
DATE: APRIL, 2012
DESIGN: JCGA
DRAWN: JCGA
CHECKED: JCGA
REVISION
NUMBER:
flCAJ,E: 1"=30'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
lairMP003RENT15
SHEET NO.
M-3
OF17
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"', PORTION OF GOV'T LOT 1'0 SECTION 32, TWP 24N, RNG. 5E., W.M.
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PLANT SCHEOULE
SYMBOL BOTANICAL NAME
TREES
,<~\Wq¥ ...
~."c i'" THUJA PLiCATA ,~\Wli~ "'<f:" ~"""""" TSUGA HETEROPHYLLA
~\\I.iI'1-: ~ . "" PICEA SITCHENSIS
:IIo\l'.t'~
\::) "~;,,"'.;"'" PSEUDOTSUGA MENZIESII
: GF ..
,\;,# "" ABIES GRANDIS
G, " " ,",',' , CRATAEGUS DOUGLASII
LIVE STAKES o '''''''''''' SALIX LUCIDA o ' '" 'SALIX SCOULERIANA
COMMON NAME
WESTERN RED CEDAR
WESTERN HEMLOCK
SITKA SPRUCE
DOUGLAS FIR
GRAND FIR
BLACK HAWTHORN
PACIFIC WILLOW
SCOULER'S WILLOW
OVERLOOK
PULL-OUT AREA
SIZE
SPLIT RAIL
FENCE
SPACING
4' HT MIN, 5 GAL, PER PLAN
4' HT MIN, 5 GAL. PER PLAN
4' HT MIN, 5 GAL. PER PLAN
4' HT MIN, 5 GAL. PER PLAN
4' HT MIN, 5 GAL. PER PLAN
4' HT MIN" 2 GAL, PER PLAN
30" HT MIN, 3' O,C,
30" HT MIN. 3' O.C.
NOTE: EACH WILLOW SYMBOL IS EQUAL TO 10 LIVE STAKES,
S~JB~."" " . ACER CIRCINATUM
(~) , , , 'CORYLUS CORN UTA e ' . , , " , ", , 'AMELANCHIER ALNIFOLIA e ' ., "PHILADELPHIS LEWISII
@' , . , " " , , , , , , . HOLODISCUS DISCOLOR
@) ., " "CORNUS SERICEA
® ,. " ""'" ,PHYSOCARPUS CAPITATUS
8""" 'VACCINIUM OVATUM VI' ."","," 'LONICERA INVOLUCRATA
([} , . , , . 'ROSA NUTKANA
e""'" .""" SYMPHORICARPOS ALBUS
®, . , , "'OPLOPANAX HORRIDUM
CD ' ., . , , " " , , 'OEMLERIA CERASIFORMIS
G " '. 'MAHONIA AQUIFOLIUM
0' "'"'''''' 'RIBES SANGUINIEUM
CD, "" 'RUBUS PARVIFLORUS
GROUNDCOVER
POLYSTICHUM MUNITUM
GAULTHERIA SHALLON
HOG FUEL MULCH
VINE MAPLE
HAZELNUT
SERVICEBERRY
MOCK ORANGE
OCEAN SPRAY
RED OSIER DOGWOOD
PACIFIC NINEBARK
2' -4' HT, 2 GAL. PER PLAN
2' -4' HT, 2 GAL. PER PLAN
2' -4' HT, 2 GAL. PER PLAN
2' -4' HT, 2 GAL. PER PLAN
2' -4' HT, 2 GAL. 4' O.C,
2' -4' HT, 2 GAL. 4' O,C,
2' -4' HT, 2 GAL. 4' O,C.
EVERGREEN HUCKLEBERRY 2'~4' HT, 2 GAL. 4' O,C,
BLACK TWIN BERRY
NOOTKA ROSE
SNOWBERRY
DEVIL'S CLUB
INDIAN PLUM
TALL OREGON GRAPE
2' -4' HT, 2 GAL. 4' O,C.
2' -4' HT, 2 GAL. 4' O.C.
2' -4' HT, 2 GAL. 4' O,C,
2' -4' HT, 2 GAL, 4' O,C.
2' -4' HT, 2 GAL. 4' O.C,
2' -4' HT, 2 GAL.
RED FLOWERING CURRANT 2' -4' HT, 2 GAL.
THIMBLEBERRY 2' -4' HT, 2 GAL.
4' O.C.
4' O,C.
4' O.C,
SWORD FERN
SALAL
l' -2' HT, 1 GAL. 3' O,C,
l' HT, 1 GAL. 3' O,C.
FINE BARK MULCH (WETLAND A ONLY)
'" '-.. , . " ~"." 40'x375' TEMPORARY ~
'~ CONSTRUCTION EASEMENT ~
~~ CITY OF RENTON '\ ~.-/--r--GAP IN FEN~ '< __ FLOOD HAZARD LlMITL .......... .......... \
>< .... .......... ~ /""" --..."'..
. , /' /' ~'.'" (3224059049) .......... '\ ....................
"~' \ "'" .~~ \ ..........
~.... . \ "-~, "-
'. '~ ........ ~ \ "-"-
FUTURE ~''''' \ "-'-
CONNECTION ", "-
TO OFF-SITE .'~ \ "-'-
LOPMENT~, "-
'"
.... 1 \ "-,,-
/ "" 200' SHORELINE' "-/ V MANAGEMENT ZONE \
~ \
~ \
'", •. '<, /)' 'v2'-t.
"'-PROPOSED
MAY CREEK
TRAIL
13 r,S--1
16 PM
~----\ --------~ \
~ 19 GS
EXISTING -~
WOODY
DEBRIS
(TYPICAL)
REMARKS BASE ALT. 1
QNTY QNTY
WELL BRANCHED, NO DOUBLE TRUNK 126 20
WELL BRANCHED, NO DOUBLE TRUNK 12 22
WELL BRANCHED, NO DOUBLE TRUNK 0 78
WELL BRANCHED, NO DOUBLE TRUNK 112 66
WELL BRANCHED, NO DOUBLE TRUNK 17 14
WELL BRANCHED. 53 19
LIVE STAKES 300 0
LIVE STAKES 90 0
MULTI-STEMMED
MULTI-STEMMED
MULTI-STEMMED
MULTI-STEMMED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
FULL, WELL BRANCHED
5" DEPTH
3" DEPTH
14
12
9
11
147
4
4
151
7
200
232
52
35
247
98
101
69
9
2
17
13
26
o
o
63
o
68
78
23
12
104
51
18
o
77 0
653 C,Y, 236 C,Y,
7 C,Y.
9 PM
13 PM
VIEW CORRIDOR ----'
GENERAL NOTES:
1. SEE SHEET M-5 FOR MITIGATION DETAILS
AND SPECIFICATIONS.'
2. SEE SHEET M-3 FOR IRRIGATION NOTES
AND DETAILS.
3, ALL BUFFER PLANTING AREAS SHALL RECEIVE
UNIFORM LAYER OF HOG FUEL MULCH TO A 5"
DEPTH. WETLAND PLANTING AREA SHALL RECEIVE
UNIFORM LAYER OF FINE BARK MULCH TO A 3"
DEPTH.
o 15 30 60
1:);1,531 SF (Grw:;s)
9GS
12 PM
12 GS
OBSERVATION
ACCESS TO
COBBLE BEACH
~
~
\
\
\
~ \ ~ \ ~~
100 % FINAL SUBMITTAL
A TERNATE-1
'LEGEND:
...
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-0 0
---
PARK SIGN
INTERPRETIVE SIGN
TRAILHEAD SIGN
LOG BENCH
TRASH RECEPTACLE
SPLIT RAIL FENCE
ALTERNATE·1 AREA
ALTERNATE·1BOUNDARY
EXISTING SNAG TO REMAIN
EXISTING TREE TO REMAIN
. "
FUTURE CONNECTION TO
OFF-SITE DEVELOPMENT
::..-!--+H-PROPOSED MAY CREEK
TRAIL LOOP
INTERSTATE 405-'
BRIDGE ABUTMENT
75'
WETLAND 'A'
BUFFER
'A'
786 SF
20' WIDE CITY OF
RENTON UTILITY
~~!~~~~T REC. NO.
AND
43
10' WIDE SANIT
SEWER EASEMENT
REC. NO. 71062305:
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REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: GBK
DRAWN: GBK
CHECKED: JCGA
REVISION
NUMBER:
SCALE: 1"=30'
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
laMP004RENT15
SHEET NO.
M-4
OF17
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ROOT CROWN 2"-4" ABOVE
PLANTING SOIL GRADE
5" HOG FUEL MULCH OR
3" FINE BARK MULCH (WETLAND A)
HOLD BACK 3" AWAY FROM STEM
3" HIGH RIM BERM
GROUNDCOVER AS SPECIFIED,
SEE PLANTING NOTES
WJ;~, 1.I~cL~,;lwrA~~B:m!~~_~~~~mf/!jI~F:INISH GRADE
x
ROOT BALL
REMOVE ALL NURSERY CONTAINERS
FROM ROOT BALL
NATIVE SOIL
EXISTING SUBGRADE
FIRMLY HAND COMPACT
3" MOUND BELOW
ROOTBALL
CONIFER TREE PLANTING DETAIL
NOTTOSCALE
ROOT CROWN 1 "-2" ABOVE
PLANTING SOIL GRADE
,----5" HOG FUEL MULCH OR
3" FINE BARK MULCH (WETLAND A)
HOLD BACK 3" AWAY FROM STEM
3" HIGH RIM BERM
WI~~~IfJ9~:r:rs-lk~~~~~i\=--GROUNDCOVER AS SPECIFIED, -SEE PLANTING NOTES
EXISTING GROUND
NATIVE SOIL
w~~2:P~~~ ~~I __ ~:::.EXISTING SUBGRADE
, FIRMLY HAND COMPACT
3" MOUND BELOW
ROOTBALL
SHRUB PLANTING DETAIL
MIN. 18" ABOVE FINISHED
GRADE WITH A MINIMUM
OF 2 LEAF NODES EXPOSED
USE CUTIINGS
36" MIN.
MIN. BURIAL 18"
INTO SOIL
SOIL
TRIM OFF BRANCHES
WITH
CLEAN CUTS
PRE -DRILL PILOT HOLE.
CUT END TO A POINT FOR
EASIER INSTALLATION
NOT TO SCALE
CUT TOP SQUARE FOR
EASIER INSTALLATION,
PROTECT TOP FROM
SPLITIING.
INSERT STAKE WITH BUDS
POINTING UP
LIVE STAKE PLANTING
NOTTO SCALE
PORTION OF GOV'T LOT 1, SECTION 32, TWP 24N, RNG. 5E., W.M.
PART 1 -SITE PREPARATION
GENERAL SITE CONDITIONS
CONTRACTOR SHALL GIVE THE MITIGATION CONSTRUCTION MONITOR A MINIMUM OF 5 WORKING DAYS
NOTICE PRIOR TO CONSTRUCTION.
NO CONSTRUCTION WORK SHALL COMMENCE UNTIL THERE IS A PRE-CONSTRUCTION MEETING BETWEEN
THE CITY OF RENTON, THE MITIGATION CONSTRUCTION MONITOR AND CONTRACTOR TO REVIEW THE
MITIGATION PLANS AND SPECIFICATIONS.
IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO: (1) INDEPENDENTLY VERIFY THE ACCURACY OF
UTILITY LOCATIONS AND (2) DISCOVER AND AVOID ANY UTILITIES WITHIN THE MITIGATION AREA WHICH MAY
BE AFFECTED BY IMPLEMENTATION OF THIS PLAN. SUCH AREAS ARE TO BE CLEARLY MARKED IN THE
FIELD.
CONSTRUCTION MUST BE PERFORMED IN ACCORDANCE WITH CODES, PERMIT CONDITIONS, AND OTHER
APPLICABLE ORDINANCES AND POLICIES.
THE APPLICANT IS RESPONSIBLE FOR OBTAINING ALL REQUIRED PERMITS/APPROVALS PRIOR TO THE
START OF CONSTRUCTION. A COPY OF THE APPROVED PLANS, SPECIFICATIONS, PERMITS, AND AGENCY
APPROVALS MUST BE ON SITE WHENEVER CONSTRUCTION IS IN PROGRESS AND SHALL REMAIN ON SITE
UNTIL PROJECT COMPLETION.
THE MITIGATION CONSTRUCTION MONITOR SHALL BE ON SITE, AS NECESSARY, TO MONITOR
CONSTRUCTION.
ANY CHANGES OR MODI FICA TIONS TO THIS PLAN SHALL RECEIVE PRIOR APPROVAL FROM THE MITIGATION
CONSTRUCTION MONITOR.
SURVEY /STAKEiFLAG LIMITS OF WORK
PRIOR TO ANY CONSTRUCTION, A LICENSED SURVEYOR SHALL SURVEY, STAKE,AND FLAG LIMITS OF
WORK AND WETLAND BOUNDARIES AS SHOWN IN THE PLANS. ELECTRONIC DRAWINGS SHOWING LIMITS OF
WORK ARE AVAILABLE UPON REQUEST. THE MITIGATION CONSTRUCTION MONITOR SHALL APPROVE
FLAGGING OF WORK LIMITS PRIOR TO CONSTRUCTION. CONTRACTOR SHALL BE RESPONSIBLE FOR
VERIFYING ACTUAL LOCATIONS OF EXISTING VEGETATION TO BE SAVED AND RESTORING ANY DISTURBANCE
TO EXISTING VEGETATION LOCATED OUTSIDE THE LIMITS OF WORK.
EROSION CONTROL
ALL EROSION CONTROL MEASURES SHALL BE INSTALLED AND IMPLEMENTED AS SHOWN IN THE S.W.P.P.
PLAN (SHEET C-3) PRIOR TO BEGINNING OF WORK.
CLEARING AND GRUBBING
CLEAR AND GRUB ALL AREAS SHOWN IN THE GRADING PLANS TO A 6" DEPTH (SEE GRADING PLAN).
ALL CLEARING AND GRUBBING AND VEGETATION TO REMAIN AREAS SHALL BE APPROVED BY MITIGATION
CONSTRUCTION MONITOR PRIOR TO WORK. PRIOR TO GRUBBING THE CONTRACTOR SHALL CLEAR ALL
INVASIVE SPP. TO THE GROUND AND APPLY HERBICIDE. HERBICIDE APPLICATION SHALL OCCUR DURING
THE GROWING SEASON BY LICENSED (IN STATE OF WASHINGTON) APPLICATOR. HERBICIDE SHALL BE
BROAD SPECTRUM AQUATIC HERBICIDE (RODEO TM OR APPROVED EQUAL).
CONTRACTOR SHALL REMOVE INVASIVE PLANT SPECJES_WlTQ..MINIMAL DISTURBANCLTO THE EXISTING,.,
VEGETATION TO REMAIN. CLEARED AND GRUBBED VEGETATION SHALL BE EXPORTED FROM THE SITE.
PARTICULAR CARE SHALL BE TAKEN TO ENSURE COMPLETE REMOVAL OF TOPS AND ROOTS OF INVASIVE
PLANT SPECIES. INVASIVE PLANT SPECIES TO BE REMOVED AND TREATED INCLUDE BUT ARE NOT LIMITED
TO: HIMALAYAN BLACKBERRY, JAPANESE KNOTWEED, REED CANARYGRASS, PURPLE LOOSESTRIFE, HEDGE
BINDWEED (MORNING GLORY), scoT's BROOM, ENGLISH IVY, AND CREEPING NIGHTSHADE.
PART 2 -PLANT MATERIAL
PLANT MATERIALS
PLANT MATERIAL SHALL CONFORM TO AMERICAN STANDARD FOR NURSERY STOCK (ANSI
Z6D.1-2004) FOR PLANT SIZE AND CONDITION FOR SPECIFIED MATERIAL.
PLANT MATERIALS SHALL BE LOCALLY GROWN (LOWER PUGET SOUND REGION) OR ALTERNATIVE
APPROVED SOURCE BY MITIGATION CONSTRUCTION MONITOR. PLANT MATERIALS SHALL BE IN
HEALTHY VIGOROUS GROWING CONDITION.
THE CONTRACTOR SHALL SUBMIT DOCUMENTATION THAT SPECIFIED PLANT MATERIALS HAVE BEEN
ORDERED AND SECURED. A LIST OF SUPPLIER NAMES, ADDRESSES, PHONE NUMBERS AND THE
STORAGE/GROWING LOCATION OF THE MATERIALS SHALL BE SUBMITTED TO THE MITIGATION
CONSTRUCTION MONITOR WITHIN 30 DAYS OF CONTRACTOR AWARD.
PLANT CONDITION
THE MITIGATION CONSTRUCTION MONITOR SHALL APPROVE PLANT MATERIAL AT THE JOB SITE FOR
COMPLIANCE WITH REQUIRED STANDARDS FOR PLANT SIZE AND QUALITY PRIOR TO PLANTING. THIS
INCLUDES, BUT IS NOT LIMITED TO, SIZE AND CONDITION OF ROOTBALLS AND ROOT SYSTEMS,
PRESENCE OF INSECTS, LATENT INJURIES AND DEFECTS. TREES MUST BE UNTIED AND SEPARATED
FOR INSPECTIONS. THE MITIGATION CONSTRUCTION MONITOR RESERVES THE RIGHT TO REFUSE
ANY/ALL PLANT MATERIAL IF IT IS DETERMINED THAT SUCH MATERIAL DOES NOT MEET THE
SPECIFICATIONS AS DESCRIBED HEREIN. REJECTED MATERIAL SHALL BE IMMEDIATELY REMOVED FROM
PROJECT SITE.
STORAGE SITE AND METHOD
STORE PLANTS IN THE MANNER NECESSARY TO ACCOMMODATE THEIR HORTICULTURAL
REQUIREMENTS. PROTECT PLANT MATERIAL STORED ON-SITE FROM WEATHER DAMAGE, CONSTRUCTION
ACTIVITY AND THE PUBLIC. BALLED AND BURLAPPED MATERIAL WHICH CANNOT BE INSTALLED
IMMEDIATELY SHALL BE "HEELED-IN" TO KEEP FROM DRYING OUT PRIOR TO PLANTING. PROTECT
ROOTBALLS BY COVERING WITH MOIST SOIL, MULCH OR SAWDUST. WATER AS NECESSARY TO KEEP
ROOTBALLS MOIST.
KEEP PLANT SPECIMENS MOIST (WETLAND SPECIES SATURATED) AND SHADED UNTIL THE ACTUAL
TIME OF INSTALLATION. IF BARE-ROOT PLANTS ARE SPECIFIED, SOAK ROOTS IN WATER ONE-HOUR
MINIMUM PRIOR TO PLANTING. BEFORE AND AFTER PLANTING, IMMEDIATELY SATURATE THE SOILS IN
THE PLANTING AREA TO PREVENT CAPILLARY STRESS.
. SUBSTITUTIONS
SUBSTITUTIONS OF PLANT SPECIES OR SIZES MAY BE PERMITTED BASED ON PLANT AVAILABILITY,
BUT ONLY WITH PRIOR APPROVAL BY THE MITIGATION CONSTRUCTION MONITOR.
PART 3 -PLANT INSTALLATION
SITE CONDITIONS
THE CONTRACTOR SHALL VERIFY THAT PLANT INSTALLATION CONDITIONS ARE SUITABLE WITHIN THE
MITIGATION AREAS. ANY UNSATISFACTORY CONDITIONS SHALL BE CORRECTED PRIOR TO START OF
WORK. WHEN CONDITIONS DETRIMENTAL TO PLANT GROWTH ARE ENCOUNTERED, SUCH AS RUBBLE
FILL, ADVERSE DRAINAGE CONDITIONS, SIGNIFICANT VEGETATION, OR OBSTRUCTIONS, THE CONTRACTOR
SHALL NOTIFY THE MITIGATION CONSTRUCTION MONITOR PRIOR TO PLANTING. NO PLANTING SHALL
OCCUR IN STANDING WATER, AND INUNDATED PLANTING AREAS SHALL BE PLANTED WHEN CONDITIONS
PERMIT. BEGINNING OF WORK CONSTITUTES ACCEPTANCE OF CONDITIONS AS SATISFACTORY.
LOCATE/FLAG/VERIFY PLANTING AREAS
CONTRACTOR SHALL FIELD LOCATE, AND FLAG, PLANTING AREAS AND CONFIGURATIONS PRIOR TO
PLANTING. THE MITIGATION CONSTRUCTION MONITOR SHALL REVIEW AND APPROVE LOCATIONS PRIOR
TO PLANTING.
MULCH
MULCH SHALL INCLUDE HOG FUEL (APPLIED IN ALL BUFFER AREAS) AND FINE BARK (APPLIED ONLY
IN WETLAND A).
HOG FUEL MULCH SHALL BE PLACED TO A 5" DEPTH. HOG FUEL SHALL BE A BLEND OF LOOSE,
LONG, THIN NATURAL WOOD PIECES WITH HIGH LENGTH-TO-WIDTH RATIO. A MINIMUM OF
95-PERCENT SHALL HAVE LENGTHS BETWEEN 2 AND 10 INCHES, AND NO MORE THAN 15% BY
LOOSE VOLUME WILL PASS THROUGH A NO.4 SIEVE. CONTRACTOR SHALL SUBMIT SAMPLE FOR
APPROVAL.
FINE BARK MULCH SHALL BE PLACED TO A3" DEPTH. BARK MULCH SHALL BE DERIVED FROM
NATURAL WOOD PIECES, GROUND SO THAT A MINIMUM OF 95 PERCENT OF THE MATERIAL WILL
PASS THROUGH A 1" SIEVE AND NO MORE THAN 25 PERCENT, BY LOOSE VOLUME, WILL PASS
THROUGH A NO. 4 SIEVE. CONTRACTOR SHALL SUBMIT SAMPLE FOR APPROVAL.
HOG FUEL AND FINE BARK MULCH SHALL NOT CONTAIN RESIN, TANNIN, OR OTHER COMPOUNDS IN
QUANTITIES THAT WOULD BE DETRIMENTAL TO PLANT LIFE. SAWDUST OR WOOD SHAVINGS SHALL NOT
BE USED AS MULCH.
PART 4 -WARRANTY (ONE-YEAR)
THE CONTRACTOR SHALL WARRANT CRAFTSMANSHIP AND MATERIALS FOR THIS PROJECT FOR A
PERIOD OF 1 YEAR BEGINNING AT FINAL ACCEPTANCE. THIS WARRANTY SHALL INCLUDE
REPLACEMENT OF PLANTS (SAME SIZE AND SPECIES SHOWN ON THE DRAWINGS). EXCEPT FOR LOSS
DUE TO EXCESSIVELY SEVERE CLIMATOLOGICAL CONDITIONS (SUBSTANTIATED BY 10-YEAR RECORDED
WEATHER CHARTS), INSTALLED' PLANT MATER\ALS ARE REQUIRED TO BE GUARANTEED FOR 1 YEAR
AGAINST DEFECTS AND UNSATISFACTORY GRQWTH, EXCEPT FOR CASES OF NEGLECT BY OWNER OR
ABUSE/DAMAGE BY OTHERS.
" I "
PART 5 -FINAL ACCEPTANCEl-
,
" UPON COMPLETION, THE CONTRACTOR SHAL~ PROVIDE THE MITIGATION CONSTRUCTION MONITOR WITH
A SET OF CLEARLY MARKED PRINTS DESIGNATING THE ACTUAL LOCATIONS AND QUANTITIES OF
PLANTINGS WITHIN THE MITIGATION AREAS. THE CONTRACTOR SHALL KEEP A COMPLETE SET OF'
PRINTS AT THE JOB SITE DURING CONSTRUqTlON FOR THE PURPOSE OF "RED-LINING" CHANGES
OR MODIFICATIONS TO THE APPROVED PLAN~ AND SHALL UPDATE SAID INFORMATION ON A DAILY
BASIS. CONTRACTOR SHALL TAG INDIVIDUAL FLANT SPECIES AT THE TIME OF INSTALLATION. EACH
PLANT SPECIES SHALL HAVE A DIFFERENT C.aLOR TAG FOR VISUAL IDENTIFICATION. A COLOR CODED
PLANT TAG LEGEND SHALL BE PROVIDED TO THE MITIGATION CONSTRUCTION MONITOR PRIOR TO
SUBSTANTIAL COMPLETION.
AT SUBSTANTIAL COMPLETION
THE MITIGATION CONSTRUCTION MONITOR WILL PERFORM SUBSTANTIAL COMPLETION WALK THROUGH
WITH THE CONTRACTOR. IF ITEMS ARE TO BE CORRECTED, A PUNCH LIST WILL BE PREPARED BY
THE MITIGATION CONSTRUCTION MONITOR AND SUBMITTED TO THE OWNER AND CONTRACTOR FOR
COMPLETION. AFTER PUNCH LIST ITEMS HAVE BEEN COMPLETED, THE MITIGATION CONSTRUCTION
MONITOR WILL REVIEW THE PROJECT FOR GENERAL CONFORMANCE WITH THE APPROVED PLAN, AND
ACCEPTABLE, WILL SUBMIT A LETTER OF COMPLETION TO CITY OF RENTON. THE LETTER WILL
CONSTITUTE FINAL ACCEPTANCE OF THE PROJECT .
THE DATE OF FINAL ACCEPTANCE WILL CONSTITUTE THE BEGINNING OF THE ONE-YEAR
WARRANTY/MAINTENANCE PERIOD AND THE 5-YEAR MAINTENANCE/MONITORING PERIOD AS REQUIRED
BY CITY OF RENTON
PART 6 -MAINTENANCE
MAINTENANCE IS REQUIRED DURING THE WARRANTY PERIOD. THE CONTRACTOR SHALL REVIEW
LANDSCAPE MAINTENANCE REQUIREMENTS WITH THE MITIGATION CONSTRUCTION MONITOR WHO IS
FAMILIAR WITH THE STATED GOALS AND OBJECTIVES OF THE MITIGATION PLAN. MAINTENANCE SHALL
BE PROVIDED BY THE CONTRACTOR THROUGHOUT CONSTRUCTION AND DURING THE WARRANTY
PERIOD, AND BY THE OWNER AFTER THE FIRST YEAR.
MAINTENANCE SHALL INCLUDE TEMPORARY IRRIGATION. THE CONTRACTOR IS RESPONSIBLE TO
ENSURE THE PROPER FUNCTIONING OF THE SYSTEM.
THE CONTRACTOR SHALL REMOVE COMPOST SOCKS AT THE END OF THE ONE-YEAR WARRANTY
PERIOD. SOCKS TO BE CUT AND REMOVED LEAVING COMPOST IN PLACE.
MAINTENANCE WITHIN THE MITIGATION AREAS SHALL BE PERFORMED BY THE CONTRACTOR ,flR,_-
OWNER AND REVIEWED BY THE MITIGATION MONITOR. REQUIRED MAINTENANCE ACTIVITIES AR~I'£Y of RDenton
INCLUDED IN TABLE 1. Panning IVlslon
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REVISIONS: APPD.
DATE: MARCH, 2012
DESIGN: GBK
DRAWN: GBK
CHECKED: JCGA
REVISION
NUMBER:
SCALE:N/A
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
I aMP005RENT15
SHEET NO.
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PORTION OF GOV'T LOT 1, SECTION 32, TWP 24N, RNG. 5E., W.M.
TABLE 1: MAINTENANCE TASKS
ACTIVITY SCHEDULE
ONE YEAR FOLLOWING
REPLACE ALL FAILED PLANTING. THEN AS
MITIGATION PLANTINGS. REQUIRED TO MEET
PERFORMANCE
STANDARDS.
SPECIAL NOTES
BY CONTRACTOR THE FIRST YEAR; BY OWNER AFTER
FIRST YEAR.
PART 7 -MONITORING
PLANT ESTABLISHMENT THROUGHOUT THE MONITORING PERIOD IS ESSENTIAL TO PLANT COMMUNITY
DEVELOPMENT AND THE SUCCESS OF THE OVERALL MITIGATION PLAN. THE PLANT ESTABLISHMENT
PERIOD FOR THIS PROJECT IS FIVE (5) YEARS. DURING THIS TIME, THE CITY OR THEIR DESIGNEE
SHALL MONITOR THE SITE ANNUALLY FOR DETERMINING COMPLIANCE WITH PERMITS ISSUED BY
FEDERAL, STATE OR LOCAL JURISDICTIONS. FIRST YEAR MONITORING SHALL BE PERFORMED
TEMPORARY IRRIGATION OF AT LEAST WEEKLY,
MA Y 15 THROUGH
ALL PLANTS MUST RECEIVE ONE INCH OF WATER PER WEEK
QUARTERL Y. RESULTS FOR QUARTERS 1 THRU 3 SHALL BE SUBMITTED TO THE CITY AS A SHORT
REPORT OR MEMO. FOURTH QUARTER MONITORING SHALL INCLUDE YEAR 1 MONITORING RESULTS.
COMPLIANCE MONITORING PROVIDES A MEANS FOR TRACKING PLANT SURVIVAL, COVER OF
INSTALLED PLANTS AND UP TO 20 PERCENT OF ANY STRATUM COMPOSED OF DESIRABLE NATIVE
VOLUNTEERS, HEALTH AND GROWTH, HERBIVORY, PRESENCE OF WEEDS, TRASH AND VANDALISM. NEW PLANTINGS.
OCTOBER 31 FOR THE
DURING THE FIRST GROWING SEASON; BY CONTRACTOR THE
FIRST YEAR FOLLOWING
PLANTING.
TRASH REMOVAL FROM ALL INSPECT AT LEAST ONCE
ON-SITE FLOODPLAIN EACH YEAR FOR YEARS 1,
MITIGATION AREA. 2, 3, 4 AND 5 OF THE FIVE
YEAR MONITORING PERIOD.
WEEDING ANNUALL Y FOR YEAR 1,
FIRST YEAR AND BY OWNER AFTER THE FIRST YEAR.
BY CONTRACTOR THE FIRST YEAR AND OWNER AFTER
THE FIRST YEAR.
TREES AND SHRUBS MUST BE WEEDED TO THE DRIPLINE
MONITORING METHODOLOGY INCLUDES A VARIETY OF ECOLOGICAL TECHNIQUES. STANDARD
TECHNIQUES SUCH AS TRANSECT LINES AND SAMPLE PLOTS MAYBE USED. MONITORING INCLUDES
TRACKING MORTALITY, ESTABLISHING PHOTOPOINTS AND OTHER METHODS DEEMED NECESSARY TO
ADEQUATELY DOCUMENT DEVELOPMENT OF MITIGATION AREAS OVER THE MONITORING PERIOD.
BI-ANNUALL Y FOR YEARS 2, AND HOG FUEL MULCH MAINTAINED AT 4 INCHES DEPTH. BY PART 7A -MITIGATION APPROACH 3, 4, AND 5 OF THE FIVE CONTRACTOR THE FIRST YEAR; BY OWNER AFTER THE FIRST
YEAR MONITORING PERIOD
HERBIVORY REPELLENT IMMEDIA TEL Y AFTER
INSTALLATION AND
ANNUALLY THEREAFTER
HERBICIDE ANNUALLY DURING THE
GROWING SEASON
CLEAR AND GRUB UNDESIRABLE AS REQUIRED IN
YEAR.
APPLY ORGANIC REPELLENT PLANTSKYDD (OR APPROVED
EQUAL) PER MANUFACTURER'S WRITTEN
RECOMMENDATIONS.
LICENSED STATE APPLICATOR, USE BROAD SPECTRUM
AQUATIC HERBICIDE, RODEO TM (OR APPROVED EQUAL)
PER MANUFACTURER'S WRITTEN RECOMMENDATIONS.
REMOVAL SHOULD BE AS DIRECTED BY WETLAND
BASE INSTALLATION
PROVIDE MITIGATION FOR 8,865 SF (0.20 AC) OF PERMANENT SHORELINE IMPACT FROM THE MAY
CREEK TRAIL WITH ON-SITE SHORELINE AREA AND WETLAND ENHANCEMENT. ENHANCEMENT WILL
AMOUNT TO 42,015 SF (0.96 AC) OF SHORELINE AREA AND 786 SF (0.02 AC) OF EXISTING
CATEGORY III WETLAND, FOR A TOTAL OF 42,801 SF (0.98 AC) OF MITIGATION PROVIDED TO
IMPROVE WETLAND, WETLAND BUFFER AND SHORELINE FUNCTION.
ALTERNATE ONE INSTALLATION
INVASIVE PLANTS FROM ALL ON-SITE ANNUAL MONITORING CONSTRUCTION MONITOR DURING FIRST YEAR. CLEARING AND PROVIDE MITIGATION FOR 8,865 SF (0.20 AC) OF PERMANENT SHORELINE IMPACT FROM THE MAY
CREEK TRAIL WITH ON-SITE SHORELINE AREA AND WETLAND ENHANCEMENT. ENHANCEMENT WILL
AMOUNT TO 15,219 SF (0.35 AC) OF SHORELINE AREA MITIGATION WETLAND BUFFER AND
SHORELINE MITIGATION AREAS. REPORTS. GRUBBING SHALL BE ACCOMPLISHED BY PHYSICALLY
UNDESIRABLE (NON-MECHANICAL) REMOVING PLANT MATERIALS (INCLUDING
SPECIES INCLUDE:
HIMALA YAN BLACKBERRY
ROOT MASSES) OR HAND TRIMMING BY CONTRACTOR. WEEDS SHORELINE FUNCTION. . MUST BE PROPERLY DISPOSED OF OFF-SITE. BY CONTRACTOR
EVERGREEN BLACKBERRY THE FIRST YEAR; BY OWNER AFTER THE FIRST YEAR.
SCOT'S BROOM
ENGLISH IVY
PURPLE LOOSE STRIFE
MORNING GLORY
CLIMBING NIGHTSHADE
JAPANESE KNOTWEED
REED CANARYGRASS
TABLE 2: PERFORMANCE STANDARDS AND METHODS
PERFORMANCE STANDARDS
QUARTERLY OBSERVATIONAL MONITORING SHALL INCLUDE:
1. SIGNS OF HERBIVORY BY DEER OR BEAVER TO INSTALLED MITIGATION PLANTS;
2. SIGNS OF PLANT MORTALITY, OTHER THAN HERBIVORY. FROM DISEASE, IMPROPER PLANT
SELECTION, EXPOSURE TO EXTREME CLIMATE CONDITIONS, POOR PLANT ESTABLISHMENT
3. SIGNS OF UNACCEPTABLE REESTABLISHMENT OF NON-NATIVE SPECIES;
4. SIGNS OF VANDALISM AND ILLEGAL DUMPING;
5. STREAM BANK INSTABILITY jEROSION;
6. CONDITION OF HOG FUEL MULCH THAT IDENTIFY AREAS OF EROSION, DEPTH LESS THAN 5",
AND SATURATION AT SURFACE AND;
7. CONDITION OF IRRIGATION SYSTEM THAT INCLUDE MISSING OR DAMAGED LINES AND HEADS OR
EROSION RESULTING FROM LEAKS OR DAMAGE.
ANNUAL MONITORING SHALL INCLUDE:
1. 100 PERCENT SURVIVAL OF ALL .INSTALLED NATIVE TREES AND SHRUBS ONE-YEAR POST
INSTALLATION OF ALL SHORELINE MITIGATION PLANTS.
TREE AND SHRUB SURVIVAL: 100% BY YEAR 1,
* TREE AND SHRUB SURVIVAL: 90% BY YEAR 2, 85% BY YEAR 3.
2. ANNUAL MONITORING FOR COVER OF ALL INSTALLED TREES AND SHRUBS. VOLUNTEER NATIVE
TREES AND SHRUBS IN SHORELINE ENHANCEMENT, WETLAND 'A', AND WETLAND BUFFER
ENHANCEMENT MONITORING AREAS.
TREE AND SHRUB COVER: 60% BY YEAR 3, 85% BY YEAR 5.
3. AT LEAST 4 NATIVE TREE SPECIES AND 10 NATIVE SHRUB SPECIES SHALL BE PRESENT IN THE
SHORELINE MITIGATION AREA. OVERALL SPECIES DIVERSITY SHALL BE GREATER THAN 14.
4. NO MORE THAN 10% COVER OF NON-NATIVE OR OTHER INVASIVES, E.G., HIMALAYAN
BLACKBERRY, EVERGREEN BLACKBERRY, REED CANARYGRASS, SCOTS BROOM, ENGLISH IVY,
MORNING GLORY, ETC. IS PERMISSIBLE, AND NO JAPANESE KNOTWEED, IN ANY MONITORING YEAR.
BOND HOLDERS ARE ENCOURAGED TO MAINTAIN MITIGATION SITES WITHIN THESE STANDARDS
THROUGHOUT THE MONITORING PERIOD, TO AVOID CORRECTIVE MEASURES.
MONITORING METHODS
1. DOCUMENTED OBSERVATIONS OF MITIGATION AREA INCLUDING
RECOMMENDATIONS TO ADDRESS ITEMS THAT ARE DETRIMENTAL
TO MITIGATION SUCCESS.
1. TOTAL PLANT COUNT OF ALL INSTALLED TREES AND SHRUBS.
* PERCENT SURVIVAL OF ALL INSTALLED CONIFEROUS TREES,
PERCENT SURVIVAL OF SHRUBS MEASURED BY AN APPROVED
MONITORING TECHNIQUE SUCH AS TRANSECTS AND OR SAMPLE PLOTS.
2. PERCENT COVER OF INSTALLED TREES AND SHRUBS SHALL BE
MEASURED BY AN APPROVED MONITORING TECHNIQUE SUCH AS
TRANSECTS AND JOR SAMPLE PLOTS.
3. TALLY SPECIES DIVERSITY IN MITIGATION AREAS.
4. PERCENT COVER OF NON-NATIVE OR INVASIVE SPECIES SHALL BE
MEASURED BY AN APPROVED MONITORING TECHNIQUE SUCH AS
TRANSECTS AND JOR SAMPLE PLOTS.
MONITORING INTERVAL
YEAR 1 , QUARTERLY
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
YEAR 1,
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
YEAR 2, AND 3.
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
YEAR 3 AND 5.
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
YEAR 1, 2, 3, 4, AND 5.
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
YEAR 1, 2, 3, 4, AND 5.
(SHORELINE ENHANCEMENT AREA,
WETLAND A AND WETLAND BUFFER)
.
PART 7B -GOALS AND OBJECTIVES
BASE INSTALLATION
1. ENHANCE 42,015 SF OF SHORELINE AREA BY CLEARING EXISTING INVASIVE SPECIES (HIMALAYAN
BLACKBERRY, JAPANESE KNOTWEED, AND REED CANARYGRASS) AND REPLANTING WITH NATIVE
TREES AND SHRUB SPECIES TO IMPROVE PLANT DIVERSITY AND HABITAT FUNCTIONS.
2. ENHANCE 786 SF OF HIMALAYAN BLACKBERRY DOMINATED, TYPE III WETLAND (ON-SITE) BY
REMOVING INVASIVE SPECIES AND REPLANTING WITH NATIVE TREES AND SHRUBS TO IMPROVE
PLANT DIVERSITY AND HABITAT FUNCTIONS.
ALTERNATE ONE INSTALLATION
1. ENHANCE 15,219 SF OF SHORELINE AREA BY CLEARING EXISTING INVASIVE SPECIES (HIMALAYAN
BLACKBERRY, JAPANESE KNOTWEED, AND REED CANARYGRASS) AND REPLANTING WITH NATIVE
TREES AND SHRUB SPECIES TO IMPROVE PLANT DIVERSITY AND HABITAT FUNCTIONS.
PART 7C -PERFORMANCE STANDARDS
PERFORMANCE STANDARDS (TABLE 2) HAVE BEEN ESTABLISHED THAT CORRESPOND TO THE
STATED MITIGATION GOALS AND OBJECTIVES. THESE STANDARDS ARE THE PRIMARY FACTORS
THAT SHALL BE USED TO MEASURE THE SUCCESS OF THE SHORELINE ENHANCEMENT, WETLAND
BUFFER ENHANCEMENT .AND WETLAND ENHANCEMENT MITIGATION AREAS. IT IS IMPORTANT TO
EVALUATE THE DEVELOPMENT OF THE MITIGATION PLAN OVER THE ENTIRE MONITORING PERIOD
WHEN DETERMINING WHETHER ALL STANDARDS HAVE BEEN MET. WHILE SPECIFIC PERFORMANCE
STANDARDS PROVIDE IMPORTANT BENCHMARKS AND SHALL HELP TO DIRECT MAINTENANCE AND
CONTINGENCY EFFORTS, THE SUCCESS OF MITIGATION MUST BE MEASURED AGAINST THE GOALS
AND OBJECTIVES OF THE OVERALL MITIGATION PLAN. BY MONITORING THE PROJECT AND
COMPARING MONITORING RESULTS TO PERFORMANCE STANDARDS, A DETERMINATION CAN BE MADE
FOR THE NEED TO IMPLEMENT MAINTENANCE EFFORTS OR THE CONTINGENCY PLAN.
PART 8 -CONTINGENCY PLAN
IF NECESSARY A CONTINGENCY PLAN WILL PROVIDE REMEDIATION FOR THE MITIGATION GOALS THAT
HAVE NOT BEEN MET. IF THE STATED MITIGATION GOALS, AS MEASURED BY THE MONITORING
PROGRAM AND PERFORMANCE STANDARDS, HAVE NOT BEEN MET AND CANNOT BE ACHIEVED
THROUGH ROUTINE MAINTENANCE, THEN A DETERMINATION BY CITY OF RENTON WILL BE MADE TO
REQUIRE SUBMITTAL OF A CONTINGENCY PLAN. AFTER WRITTEN APPROVAL BY THE CITY, A
CONTINGENCY PLAN SHALL BE IMPLEMENTED THAT COMPENSATES FOR THE FAILED GOALS OF THE
APPROVED MITIGATION PLAN. IF THE CONTINGENCY PLAN IS SUBSTANTIAL, THE CITY MAY EXTEND
THE MONITORING PERIOD.
~,~ .. , .. ........,,-: ,
A. MITIGATION COST ESTIMATE (BASE INSTALLATION):
BOND ESTIMATE (INCLUDES LABOR, MATERIALS, MAINTENANCE
AND MONITORING FOR 5 YEARS,
30% CONTINGENCY AND 10% MOBILIZATION)
TOTAL COST ESTIMATE:
B. PERFORMANCE BOND -(BASE INSTALLATION) (120% OF A) IS
ESTIMATED TO BE:
PART 9 -LONG TERM VEGETATION MANAGEMENT
$ 136,951.60
$ 164,341.92
THE MITIGATION PLAN (PARTS 1-8) IDENTIFIES THE REQUIRED ACTIONS TO BE IMPLEMENTED BY
THE CITY TO ENSURE THE ESTABLISHMENT OF THE SHORELINE ENHANCEMENT AREAS. THE CITY
SHALL COMPLY WITH PROVISIONS DESCRIBED IN THE VEGETATION MANAGEMENT CODE (RMC
4-3-090F.1.I).
THE CITY SHALL CONDUCT ANNUAL MONITORING INSPECTIONS DURING THE REQUIRED FIVE YEAR
(POST CONSTRUCTION) MONITORING PERIOD.
THE CITY SHALL CONTINUE TO MAINTAIN THE SHORELINE ENHANCEMENT AREAS FOR THE LIFE OF
THE USE. ANNUAL INSPECTIONS SHALL VERIFY YEAR 5 PERFORMANCE STANDARDS ARE
MAINTAINED. IF INSPECTIONS DO NOT MEET YEAR 5 PERFORMANCE STANDARDS, CORRECTIVE
ACTIONS SUCH AS INSTALLING ADDITIONAL OR REPLACEMENT VEGETATION AS DEEMED NECESSARY
TO MAINTAIN ECOLOGICAL FUNCTIONS MAY BE REQUIRED.
City of Renton
Planning Division
MAY -91,011
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REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: GBK
DRAWN: GBK
CHECKED: JCGA
REVISION
NUMBER:
SCALE:N/A
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
laMP004RENT15
SHEET NO.
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PORTION OF GOV'TLOT 1, SECTION 32, TWP 24N, RNG. 5E., W.M.
FINISHED GRADE
+"------fl8'-O"·------,f" 1 1
MIN. 4" ANY DIMENSION
CEDAR RAILS
CON CRETE FOOTING-=~1!lmrllfill*lilijjI~ljWffiI1i]WfR@iWnillffiliiffi]1imID~frj[
(TYP)
12" BASE COURSE,
COMPACTED
(TYP)
EXISTING
SUB GRADE
(TYP)
CEDAR SPLIT RAIL FENCE
GENERAL NOTES:
1. FINAL PLACEMENT OF SITE FURNISHINGS SHALL
BE APPROVED BY OWNER PRIOR TO INSTALLATION.
2. ADDITIONAL DETAIL HAS BEEN PROVIDED FOR
OWNER FURNISHED CONTRACTOR INSTALLED (OFCI)
ITEMS FOR INFORMATIONAL PURPOSES ONLY. SEE
DETAILS FOR CLARIFICATION.
3. TRAILHEAD SIGN DETAIL IS NOT SHOWN. INSTALLATION
SHALL BE PER THE INTERPRETIVE SIGN BASE DETAIL.
NOT. TO SCALE
REMOVABLE
ALUMINUM
RAIL
FIXED ALUMINUM
FRAME 3 SIDES
36"
EQUAL EQUAL
FINISHED GRADE
(TYP)
BASE COURSE
EXISTING SUBGRADE
(TYP)
SIGN
BASE
INTERPRETIVE SIGN BASE
+ 'b
I
CONTRACTOR SHALL SUBMI T
CONNECTION METHOD TO OWNER
FOR APPROVAL.
S"XS" ROUGH CUT LUMBER
(TYP) .
___ --SIGN PANEL
FINISHED GRADE
CONCRETE FOOTING
(TYP)
12" BASE COURSE,
COMPACTED
ill~I~~~ill~~-!rc11 ~ ..... : Ir~ -~:::~NG
-·111"""'11 H I F:llr-I SUBGRADE
NOTE:
SIGN IS OWNER FURNISHED,
CONTRACTOR INSTALLED (OFCI).
(TYP)
MAY CREEK TRAIL PARK SIGN
'I ,
CONCRETE
FOOTING
# 6 REBAR
GRA VEL -~jTI'
BASE COURSE mW!iIfl;i~
NOT TO SCALE
6"X 6" EXTRUDED ALUMINUM
POST PAINTED BLACK
FINISHED GRADE
(TYP)
NOTE:
INTERPRETIVE SIGN BASE AND
PORCELAIN PANEL
IS OWNER FURNISHED,CONTRACTOR
INSTALLED (OFCI).
NOT TO SCAlE
,
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SPLIT CEDAR LOG
DOWEL
LOG SUPPORT
FINISHED GRADE
__ 2 #4 REBAR, 1'-0" MIN.
LENGTH
--CONCRETE TOOTING
NOT!::
SPUT CEDAR' LOG AND LOG SUPPORT
IS OWNER FURNISHED,CONTRACTOR
INSTALLED (OFCI).
SPLIT CEDAR LOG BENCH
EXISTING SUBGRADE
NOT TO SCALE
PLAN
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SUPPLIED CHAIN AND LOCK.
GALVANIZED DOME TOP
W/ FLAP
____ .-30 GALLON GALVANIZED
CAN
GALVANIZED DOME TOP
WITH FLAP
(18) 1-1/2 x 3-1/2" DARK BROWN
RECYCLED PLASTIC ELEMENTS.
FAIRWEATHER SITE FURNISHINGS -
TR-2 STRAIGHT TRASH RECEPTICLE
(OR APPROVED EQUAL).
FINISHED GRADE
(TYP)
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0 0
0 0 , .
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20" LENGTH -2" SCH 40
PROFILE
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=m=:IIt=~ EXISTING SUBGRADE
FRONT
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City of Renton
Planning Division
MAY -Hun
STATE OF
. WASHINGTON
REGlSTEREO
LANDSC ARCHITECT
1/'lr'iL
• GAGE
REVISIONS: APPD.
DATE: APRIL, 2012
DESIGN: GBK
DRAWN: GBK
CHECKED: JCGA
REVISION
NUMBER:
SCALE:
PROJECT NUMBER:
RENTOOOO-0015
DRAWING FILE:
laMP006RENT15
SHEET NO.
M-7
OF 17
~ ~----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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TREE TABLE
NUMBER TYPE DIAMETER
10175 ALDER 12"
10176 ALDER B"
10177 COTTONWOOD 38"
1017B MAPLE 28"
10179 ALDER 10"
10lBO ALDER 6"
10181 ALDER 8"
10182 ALDER 12"
10183 ALDER 10"
10184 ALDER 8"
10185 ALDER 10"
10166 ALDER 8"
10187 COTTONWOOD 26"
10188 COTTONWOOD 34"
10189 COTTONWOOD 32"
10190 COTTONWOOD 8"
10191 ALDER 20"
10192 COTTONWOOD 18"
10193 ALDER 14"
10194 ALDER 12"
10195 ALDER 12"
10196 ALDER 16"
10197 ALDER 16"
10198 ALDER 10"
10199 ALDER 8"
10200 ALDER 8"
10201 ALDER 10"
10202 ALDER 8"
10203 COTTONWOOD 22"
10204 ALDER 12"
10205 ALDER 15"
10210 ALDER 10"
10211 ALDER 8"
10212 ALDER 10"
10213 ALDER 10"
10214 DECIDOUS 8"
10231 ALDER 7"
10232 ALDER 7"
10233 COTTONWOOD 48"
10234 COTTONWOOD 36"
10265 ALDER 12"
10266 ALDER 16"
10268 ALDER 8"
10269 ALDER 5", 7"
10300 ALDER . 8"
10301 COTTONWOOD 48"
10302 ALDER 14"
10303 ALDER 12"
10304 ALDER 18"
10305 ALDER 2-B"
10306 ALDER 8"
10307 ALDER 8"
10308 ALDER 8"
10309 ALDER 7'~
10310 ALDER 8"
10311 ALDER B"
10312 ALDER 10"
10313 ALDER 10"
10314 ALDER 8"
10315 ALDER 10" .
10316 COTTONWOOD 40"
10317 ALDER 12"
10318 ALDER 8"
10319 ALDER 8"
10320 ALDER 8"
10321 ALDER 12"
10322 ALDER 10"
1032" ALDER 10"
DRIP LINE /
20'
12'
40'
35'
30'
20'
12'
30'
20'
12'
20'
16'
25'
35'
20'
10'
20'
25'
25'
12'
16'
/
/
16'
16'
16'
12' NUMBER TYPE DIAMETER DRIP LINE
16' 10327 ALDER 12" 20'
16' 10328 ALDER. 8" 20'
15' 10361 ALDER 12" 20'
35' 10362 COTTONWOOD 20" 12'
20' 10363 COTTONWOOD 30" 15'
25' 10364 COTTONWOOD 30" 20'
12' 10365 COTTONWOOD 36"25'
12' 10366 ALDER 10" 8'
12' 10367 COTTONWOOD 30" 20'
10' 10368 COTTONWOOD 44" 25'
12' 10369 COTTONWOOD 36" 15'
14' 10370 COTTONWOOD 30" 15'
14' 10371 COTTONWOOD 12" 12'
40' 10372 COTTONWOOD 16" 12'
30' 10373 COTTONWOOD 30" 20'
20' 10374 ALDER 12" 14'
25' 10375 ALDER 20" 25'
14' 10376 ALDER 16" 20'
12' 10378 COTTONWOOD 36" 30'
25' 10379 COTTONWOOD 5-27" 35'
40' 10380 ALDER 8" 10'
15' 10381 ALDER 10" 15'
25' 10382 ALDER 8" 15'
SNAG 10390 ALDER 2-18" 25'
16' 10391 ALDER 24" 25'
12' 10392 ALDER 14" 20'
12' 10393 ALDER 16" 25'
14' 10394 ALDER 2-12",14" 35'
10' 10395 ALDER 3-20" 25'
12' 10396 ALDER 24" 30'
12' 10397 ALDER 12" 18'
14' 10398 COTTONWOOD 44" 30'
16' 10399 COTTONWOOD 48" 30'
14' 10400 COTTONWOOD 30" 20'
16' 10403 MAPLE 28" 30'
30' 10404 COTTONWOOD 38" 30'
20' 10410 HAZELNUT CLUSTER 20'
16' 10411 ALDER 14" SNAG
14' 10412 ALDER 12" 22'
SNAG 10413 ALDER 16" 20'
22' 10419 MAPLE 50" 50'
16' 10420 ALDER 26" 24'
20' 10424 ALDER 18",22" 35'
PORTION OF GOV'T LOT 1, SECTION 32, TWP 24N,RNG. 5E., W.M.
/
/
/
/ "0' /
/
/
OVERLOOK
PULL-OUT
o 20
I
/
40
10' WIDE SANITARY SEWER EASEMENT
REC. NO. 7106230529
80
NUMBER TYPE DIAMETER DRIP LINE
EXISTING "",nl'''y.-f
DEBRIS (TYPICAL)
10425 ALDER 18" SNAG
10426 ALDER 12" 16'
10427 ALDER 8" 12'
10428 ALDER 3-12" 30'
10429 ALDER 20" 30'
10431 ALDER 2-12" 30' NUMBER TYPE DIAMETER DRIP LINE
10433 ALDER 18" 30' 10503 ALDER 8" 12'
10434 ALDER 16'* 25' 10504 ALDER 14" 20'
10435 ALDER 30' 10505 ALDER 20'
10436 ALDER 14" 20' 10506 ALDER 10" 15'
10437 ALDER 20' 10507 ALDER 8" 10'
10438 ALDER 10" 20' 1050S ALDER s" 10'
10439 ALDER 8" 12' 10509 ALDER 12" 20'
10440 ALDER 16" 20' 10510 ALDER 7" 10'
10441 ALDER 2-14" 30' 10512 ALDER 24" 40'
10447 ALDER 20' 10513 ALDER 28" 35'
10448 ALDER 12" 20' 10514 ALDER 10",2-16" 25'
10449 ALDER 14" 25' 10515 ALDER 14" SNAG
10455 ALDER 18" 30' 10516 ALDER 14" 30'
10456 ALDER 15' 10517 ALDER 14" 20'
10457 ALDER 8" 16' 10518 ALDER 20" 20'
10458 ALDER 12" 12' 10519 ALDER 18" 20'
10459 ALDER 12" 15' 10520 MAPLE 22" 40'
10460 ALDER 14" 20' 10521 MAPLE 18" 35'
10461 ALDER 8" 12' 10522 MAPLE 16" 30'
10462 ALDER 12" 15' 10523 ALDER B" 20'
10463 ALDER 10" 12' 10524 ALDER 8" 12'
10464 ALDER B" 10' 10525 ALDER 10" 15'
10465 ALDER 12" 20' 10526 ALDER 10" 16'
10466 ALDER 16" 20' 10527 ALDER 2-12' 25'
10467 ALDER 12" 16' 10528 ALDER 10" 20'
10468 ALDER 14" 20' 10529 MAPLE 3-8" 25'
10474 DECIDOUS 40" 65' 10530 COTTONWOOD 40" 60'
10475 MAPLE 18" 40' 10531 MAPLE 2-S" 15'
10476 ALDER 10" 14' 10537 MAPLE 20" 45'
10477 ALDER 10" 14' 10545 ALDER 8" 15'
10480 ALDER 16" 20' 10599 ALDER 20" 20'
10502 ALDER 10" 20' 10600 ALDER 12" 20'
DOGWOOD CLUSTER
/
./
.........
"-"-"-"-"-"-"-
/200' SHORELINE "-
/ MANAGEMENT ZONE \
~ \ ~ \
'-------\ ~,'V'" -~ ~ \
,_POE OF GR~L
"--LOT~
134,531 Sf (GROSS)
'-10390 ". 1039~ '-
1042~
~10428
10426
--.f:(0425
~ . .
'\
VICINITY MAP
N 42nd PI
w z
~
N, T.S.
OBSERVATION/
ACCESS TO
COBBLE BEACH
1 000/0 FINAL SUBMITTAL
LEGEND:
o
"* @
®
(3224059081)
FUTURE CONNECTION
TO OFF-SITE
DEVELOPMENT
-----x x-----
.P-r'ROIPO!'ED TRAIL LOOP
".,..-75' WETLAND 'A' BUFFER
20' WIDE CITY Of
Ul1UTY
tt~:ig~~~i~jREC. NO. I AND
7510080743
~/OO • 'Y~~0
MAPLE ,'\\).
/o~~ 6'« 0'V
'% l'
10' WlOE SANITARY \
1--SE'WER EASEMENT
REC. 7106230529
DECIDOUS TREE
CONIFEROUS TREE
STORM DRAIN MANHOLE
SANITARY MANHOLE
TAX LOT / PARCEL NUMBER
ORDINARY HIGH WATER MARK
CREEK CENTERLINE
EDGE OF PAVEMENT
EASEMENT LINE
-
PROPERTY BOUNDARY
EXISTING RIGHT-OF-WAY LINE
WETLAND BOUNDARY
FENCE LINE (TYPE AS NOTED)
ROAD CENTERLINE
405 BRIDGE ABUlMENT
I
I
I
I
City of Renton
Planning Division
MAY - 9 lUll
STATE OF
WASHINGTON
REG1SIE'REO
LANDSCA ARCHITECT
l//lIz..
REVISIONS: APPD,
DATE: APRIL, 2012
DESIGN: GBK
DRAWN: GBK
CHECKED: JCGA
REVISION
NUMBER:
SCALE: 1"=40'
PROJECT NUMBER:
AENTOOOO-0015
DRAWING FILE:
laMP007RENT15
SHEET NO,
M-8
OF 17