VICINITY MAP

SHEET DESCRIPTION

1 - VICINITY MAP AND SHEET INDEX 2 - LEGEND AND ABBREVIATIONS

3 - EXISTING SITE PLAN 4 - TESC PLAN

5 - TESC DETAILS AND NOTES

INDEX

6 - STORMWATER POLLUTION PREVENTION PLAN

7 - GRADING AND WOOD PLACEMENT PLAN 8 - RIGHT SIDE CHANNEL PROFILE

9 - GRADING SECTIONS 10 - WOOD PLACEMENT DETAILS

11 - PLANTING PLAN 12 - PLANTING DETAILS AND SCHEDULE

BY DAlE

FIELD BOOK: 2016-3 02-2016 ~~~~~~~~~~N!U~:·~~~~!!~~~~~~~~~~ SURYEYID: B. PENDERGAST 02-2016

SURVEY BASE lAIII': B.P. 04-2016

L TRAXINGER 04-2016 CHECKED:

NU~. RECORD CHANGES APPROVED BY DAlE

IIPPRO'IID: WILLS R. MANSFIELD, P.E. 11/201

PROJECT L O'ROLLINS 11/201 ~ANAGER:

DESIGNED: SCOTT MUCHARD 11/201

CAD DESIGN: KAY KITAMURA 11/201

FUNDING SOURCE No.

PROJECT No. 1123576

CONTRACT No.

~ King County

Department of Natural Resources and Parks Water and Land Resources Division Rural and Regional Services Section

Ecological Restoration and Engineering Services Unit

Christie True, Director Department of Natural Resources and Parks

BEAR CREEK DOYLE PROPERTY RESTORATION

tQ King County Department of Natural Resources and Parks Water and Land Reeourcea Division Rural and Regional ServiC811 Section

EcologiCIII ~l'lllion •ncl EnglnHrlng Services Unit

ChtiiJIJe True, Dlr8clor

Know what's below. Call before you dig.

(UNDERGRCXJND lilllllY LOCATICl'IS ARE APPROX.)

SHEET

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2016-04

LEGEND AND ABBREVIATIONS

UTILITIES POWER SYMBOL

PBX lEI POWER CABINET

PGC ~ ENCASED GROUNDROD GUY E---"-·GUY WIRE ANCHOR

UTE * AREA UGHT

W~ * WMINAIRE

MHP ® POWER ~ANHOLE PB 'V POWER HAND HOLE PLG -o-- GUY POLE PUP ¢ POWER POLE PUPL Q--;¢: POWER POLE W/UGHT PM !'J POWER ~ETER PR PTR SNE

lNP YL

0 POWER RISER

~ POWER TRANSFORMER i( ELECTRIC SIGN

lii'ZEJ UNDERGROUND POWER VAULT * YARD UGHT

GAS,SEWER & MISC. SYMBOLS

GBO G~ GV GVt.l ~HG

UVG

tr GAS BLOW OFF GAS METER

GAS VALVE GAS VALVE MARKER GAS ~ANHOLE UNDERGROUND GAS VAULT

~HSS @ SEWER ~ANHOLE

WATER SYMBOLS FDC 0 FlRE DEPARTMENT CONNECTION FH '( FIRE H'!ORANT HB o HOSE BIB MHW @ WATER MANHOLE

UVW lli'\'il UNDERGROUND WAlER VAULT WBO '\j" WAlER BLOW OFF

woe '&' WEUL 0 WM I<!J

WSH " WSI ~

WATER DETECTOR CHECK VALVE WEUL WAlER METER WATER SPRINKLER HEAD WATER SPRINKLER VALVE

WV X WATER VALVE WVM !ll WATER VALVE ~ARKER

TELEPHONE & TELEVISION SYMBOLS

PLT ¢ TELEPHONE POLE

MHT CD TELEPHONE MANHOLE

TELB 'f TELEPHONE CABINET

TEUR 11j!1 TELEPHONE RISER

WT [IJS.']UNDERGROUND TELEPHONE VAULT

TVB o CABLE TV CABINET ~

TVR 1!11 CABLE TV RISER

MHTV @ CABLE TV MANHOLE

WTV ~NDERGROUND CABLE VAULT G) SEWER CLEAN OUT/ SEPllC TANK

OFC o OIL FILLER CAP UV []YJ UNDERGROUND U11UTY VAULT

SURVEY SYMBOLS B~ $ BENCH MARK

HT [Qj HUB de TACK

LS ~ PROPERTY CORNER

~AG * ~AG NAIL

~IC ~ MONU~ENT IN CASE

~ON 5jl SURFACE MONUMENT

PK * PK NAIL RB e REBAR RBC 0 REBAR de CAP

RCKC 0 KING CO. REBAR de CAP KC

TK o TACK

SSCP + SECTION CORNER (FOUND)

SQCP ~ QUARTER CORNER (FOUND)

SCCP -r CLOSING SECTION CORNER (FOUND)

SSC + SECTION CORNER (NOT FOUND)

SQC [;:>0::::] QTR CORNER (NOT FOUND)

DRAINAGE CB 1 [J: TYPE 1 CATCH BASIN

CB248

CB4 CBB CBG ~HD SUD UVD

l'r~ \\::!) TYPE 2 CATCH BASIN (4B"-)

:tl CURB INLET • BRIDGE SCUPPER 13 CATCH BASIN GRATE 0 DRAINAGE MANHOLE LID • SOUD CATCH BASIN UD

li£@ UNDERGROUND DRAINAGE VAULT

SURFACE FEATURES & LANDSCAPING SYMBOLS

BOL

FGP

OS

t.IB

PL

SN

SNPIL

0

0

'8

BOULARD

FENCE GATE POST

DOWNSPOUT

t.WL BOX

0 POLE

9 SIGN

D SIGN PILASTER

LINETYPES EXISTING

--- X ----- X ---

LOG~LOG ROCK f!J ROCK

RWAD~ ROOTWAD

STUMP Jt STUMP

TRB vaUSH

TRS '(:c SHRUB

TRD ODECIDUOUS TREE

TRE *CONIFER TREE

DESCRIPllON

BUILDING UNE (EX)

CURB/PAVEMENT/SIDEWALK {EX)

FENCE (EX)

CONTOUR (INTERVAL)

CONTOUR (INDEX)

DITCH CENTERUNE (EX)

EASEMENT (TEt.IP)

------------------- EDGE OF PAVEMENT

----- OHW----- ORDINARY HIGH WATER

PROPERTY UNE (EX)

---- -- -- ---- RIGHT-OF-WAY (CURRENT)

-- -- -- -- SHOULDER

-----100 100 YEAR FLOODPLAIN

---· SURVEY---·

UTILITIES

-----•UG-W'-----

-----FMI-----

------fi"G------

------0------

------OP------

-----UG-P------

------ss;------

------s------

------T-----------UG-1------

------6"W------

-----12"CMP-----

PROPOSED

SURVEY UMIT UNE

WE11LAND

CABLE TELEVISION (AERIAL)

CABLE TELEVISION (BURIED)

FORCE MAIN

GAS

OIL

POWER (OVERHEAD)

POWER (BURIED)

SANITARY SEWER

DRAINAGE

TELEPHONE (AERIAL)

TELEPHONE (BURIED)

(GENERAL) WATER

STORt.l DRAIN

EXJSllNG STORM DRAIN PIPE

DESCRIPllON

CREEK/lliTCH CENTERLINE

EASEt.lENT {PERt.IANENT)

PROPERTY UNE

----X ----X ---- FENCE

---·----·--- SILT FENCE --- Cllll Cllll CLEARING AND GRADING Ut.IIT UNE

--- - --- - --- CENTERLINE

----- XXX------------- XXX--------

CONTOUR (INTERVAL)

CONTOUR (INDEX)

J-"N,Ut.I,.+------"R"'EVI"'S"'ID,N.:_ ______ .. :-,.,--\---+"-BY'-fOA=:rE._-1 APPROVED· WIULS R. MANSFlELD, P.E. 11/201

~~~~~2~0~16~3tP0~2~2~0~16~~~~~~~~~~~~~~~~~~~~~~ ·--------------------+-~--1FUNDING FIELD BOOK: '~\ '' ""'- ,...,, l't PROJECT L. O'ROLLINS / SOURCE No. SURVEYED: B. PENDERGAST 02 2016 • ..-C!'-' I.,......,, IAANAGER: ___________ t1_1:__20_1--l PROJECT No. 1123576

SURVEY BASE IAAP: -==-:-:=B~·=P~. ~04~2~0~1~6t=+=j...,~·~n fj \l~r,..._.."'~l:: -or;:~·~""'nQ{t"''.~'\l,f'\0:====+=+===1 DESIGNED:_S_C_O_TT_M_UC_HAR __ D _____ +1_1_/_2_0_1-I

CHECKED: --~L.~T~RAX~I~NG~E~R~0~4~2~0~1~6t:;;~t=~;;;;;;::;;:~ '\'~~;: L~V'~~===:::t:;;;;:t~=l CONTRACT No._--=-=-----1

NUt.!. RECORD CHANGES APPROVED BY DATE CAD DESIGN:_KA_Y_K_Il:_A_M_U_RA _____ -+1_1_/_20_1-1

ADJ AH AP APPRO X. ARD AVE AVG BUDG BLVD BIA BIAP BRG BTYolll CATV CB CL !1. CLR ClAP COI>4PT CONC CONN CONST CSTC cu CM D DIAM DIST DWG DWY E EA ESt.lT EL ELEC EMB EOP EQ EST EVCE EVCS EXCL EM FH FT G GALV GB GE GR GND GV HORIZ HPS HT HUND HWY 10 IE INV JB. JTS, JT JUD KCRS

LF LT

ABBREVIATIONS ADJJST AHEAD ANGLE POINT APPRDMit.lA TEL Y AGREEMENT TO RECONSTRUCT DWY AVENUE AVERAGE BUILDING BOULEVARD BENCH t.lARK BEST MANAGEMENT PRACllCE BEARING BETWEEN CABLE TV CATCH BASIN CLASS CENTERLINE CLEAR CORRUGATED METAL PIPE CDt.IPACTEO CONCRETE CONNECT CONSTRUCllON CRUSHED SURFACNG TOP COURSE CUBIC CUBIC 1>4ETER DRAIN PIPE DIAt.lETER DISTANCE DRA'MNG DRIVEWAY EAST, ELECTRICAL EACH EASEt.IENT ELEVAllON ELECTRICAL Et.lBANKMENT EDGE OF PAVEMENT EQUAllON ESllMATE END OF VERT CURVE ELEV END OF VERT CURVE STAllON EXCWDE EXISllNG FlRE HYDRANT FEET/FOOT GAS UNE, GREEN GALVANIZED GRADE BREAK GRATE EUEV GUARDRAIL GROUND GAS VALVE HORIZONTAL HIGH PRESSURE SDDIUI>4 HEIGHT OR HUB & TACK HUNDRED HIGHWAY INSIDE DIAt.IETER INVERT EUEV INVERT JJNCllON BOX JOINTS, JOINT JOINT USE DRIVEWAY KING COUNTY ROAD DESIGN & CONSTRUCllON STANDARDS LINEAL FOOT /FEET LEFT

MAX MH MIC MIN MISC MON MUTCD

N NGPE NO NTS D.C. 00 OHW OP OT p PC PCC PED PI It PNT pp PRC PT PVC PVI PVRC QTY R RD REQ'D ROW RT R/W s so SECT SF SHLD SHT SPECS SQ SR ST STA S/W T TAN TCE TEt.lP 11P 1'rP UD UG VAR vc VERT w W/ 'Mol 'Mol W/0 wv YDS ole

t.lAXIt.IUt.l t.lANHOLE t.lONUt.IENT IN CASE t.liNIMUM t.liSCELLANEOUS MONUMENT t.lANUAL ON UNIFOR~ TRAFFIC CONTROL DIVICES NORTH NA liVE GROWTH PROTECllON EASEI>4ENT NUIABER NOT TO SCALE ON CENTER OUTSIDE DIAI>4ETER ORDINARY HIGH WATER OVERHEAD POWER OVERHEAD TELEPHONE POLE, POWER POINT OF CURVATURE POINT OF COMPOUND CURVE PEDESTRIAN POINT OF INTERSECllON PROPERTY UNE POINT POWER POLE POINT OF REVERSE CURVE POINT OF TANGENT POLYVINYL CHLORIDE POINT OF VERT INTERSECllON POINT OF VERT REVERSE CURVE QUANllTY RADIUS ROAD REQUIRED RIGHT-OF-WAY RIGHT RIGHT-OF-WAY SOUTH/SLOPE STORIA DRAIN SECllDN SQUARE FEET/FOOT SHOUUDER SHEET SPECIFlCA liONS SQUARE STATE ROUTE STREET STAll ON SIDEWALK TELEPHONE, TANGENT, TON TANGENT TEt.IPORARY CONSTRUCllON EASE TEt.IPORARY TELEPHONE POLE l'IPICAL UNDERDRAIN PIPE UNDERGROUND VARIES VERT CURVE VERllCAL WEST, WATER WITH WATER METER WATERIAAIN WITHOUT WATER VALVE YARDS AND

EEARCREB( tQ King County Department of Natural Resources and Parks Water and Land Reeoui'C88 Division

DOYLE PROP&ll f FESTORAllC* Rural and Regional ServiC811 Section

EcologiCIII ~l'lllion •ncl EnglnHrlng Services Unit ChtiiJIJe True, Dlr8clor

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CHECKED:

CAD DESIGN: KAY KITAMURA 11/201

\

EXISTI NG BUILDING ___) \ / / / LOCATI ON APPROXIMATE V

/ /

/

tQ King County Department of Natural Resources and Parks Water and Land Reeoui'C88 Division Rural and Regional ServiC811 Section

EcologiCIII ~l'lllion •ncl EnglnHrlng Services Unit ChtiiJIJe True, Dlr8clor

SEC. 31, TWN. 26, R. 06 SE, W.M.

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~ UJ~RE CARE

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1-ft King Cou"!!aurcas and Parks

... Department or N=urcea Dlvlal~ Water and La7~nal ServiC811 Section Rural and Reg . n

EcologiCIII ~::!.ces Unit ncl EnglnHrlng

• Dlr8clor ChtiiJIJeTIIJe,

SEC. 31' TWN. 26, . R 06SE,W.M.

TEIIC PI.AN

STABILIZED CONSTR UCTIO~OCK

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ASPHALT)\ ' I __.} 'v__.J

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12

SEQUENCE OF CONSTRUCTION 1. HOLD PRE-CONSTRUCTION MEETING.

2. POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN).

3. FLAG OR FENCE CLEARING LIMITS.

4. INSTALL CATCH BASIN PROTECTION AND FLOW CONTROL BMP AREA PROTECTION AS REQUIRED.

5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).

6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).

7. CONSTRUCT SEDIMENT PONDS AND TRAPS.

B. GRADE AND STABILIZE CONSTRUCTION ROADS.

9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. CONSTRUCT SWPPS CONTROLS IN ANTICIPATION OF SCHEDULED CONSTRUCTION ACTIVITY (E.G., CONCRETE-RELATED PH MEASURES FOR UTILITY, VAULT OR ROADWAY CONSTRUCTION).

10. CONSTRUCT MAJOR PROJECT ELEMENTS IN THE FOLLOWING SEQUENCE:

A. PLACE KEY LOGS.

B. STAGE REMAINING LOGS.

C. EXCAVATE SIDE CHANNELS AND PLACE SPOILS.

D. INSTALL ANCHORS AND PLACE REMAINING LOGS.

11. MAINTAIN EROSION CONTROL AND SWPPS MEASURES IN ACCORDANCE WITH KING COUNTY STANDARDS AND MANUFACTURER'S RECOMMENDATIONS.

12. RELOCATE EROSION CONTROL AND SWPPS MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL AND POLLUTANT PROTECTION IS ALWAYS IN ACCORDANCE WITH THE KING COUNTY CONSTRUCTION STORMWATER POLLUTION PREVENTION STANDARDS.

13. COVER ALL AREAS THAT WILIL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, OR EQUIVALENT.

14. STABILIZE ALL AIREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS.

15. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS.

16. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE.

EROSION AND SEDIMENTATION CONTROL NOTES

{1) APPROVAL OF THIS EROSION AND SEDIMENTATION CONTROL (ESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES, ETC.).

(2) THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED.

(3) THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING, IF REQUIRED, PRIOR TO CONSTRUCTION (KING COUNTY SWDM APPENDIX D). DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION.

{4) STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT.

(5) THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL CLEARING AND GRADING SO AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, FLOW CONTROL BMP LOCATIONS (EXISTING AND PROPOSED), AND ADJACENT PROPERTIES IS MINIMIZED.

{6) THE ESC FACILITIES SHOWN ON THIS PLAN AIRE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AIND MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS (E.G. ADDITIONAL COVER MEASURES, ADDITIONAL SUMP PUMPS, RELOCATION OF DITCHES AND SILT FENCES, PERIMETER PROTECTION ETC.).

(7) THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/ESC SUPERVISOR AND MAINTAINED TO ENSURE CONTINUED PROPER FUNCTIONING. WRITTEN RECORDS SHALL BE KEPT OF WEEKLY REVIEWS OF THE ESC FACILITIES.

{8) ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON OR SEVEN DAYS DURING THE DRY SEASON SHAILL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.).

{9) ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS.

(10) THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH (MORE FREQUENTLY AS REQUIRED BY THE DPER SITE INSPECTOR) OR WITHIN 24 HOURS FOLLOWING A STORM EVENT.

(11) AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AIND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT-LADEN WATER INTO THE DOWNSTREAM SYSTEM.

(12) ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. FLOW CONTROL BMP FACILITY AREAS (EXISTING OR PROPOSED) SHALL NOT BE USED AS TEMPORARY FACILITIES AND SHALL BE PROTECTED FROM SEDIMENTATION AND INTRUSION.

(13) COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE KING COUNTY SURFACE WATER DESIGN MANUAL.

(14) PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE DPER INSPECTOR FOR REVIEW.

/

JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS. OR EQUIVALENT TO ATTACH FABRIC TO POSTS

/ -2"X2" BY 14 Ga. WIRE'\.

I IJ ,A" ~fANE~6~~~iN~TH ~ -1 r 1 FABRIC usED

I I I I I I I I I

-~J I _l

. , " " ~»>»?>h'f T ' '" - T 1-- - 6· MAX~- -- :::ll -~

,. ~ ., . ""-.MINIMUM I I I I 4"x4" TRENCH

U ~CKFILL TRENCH WITH NATIVE SOIL OR 3/4"-1/5"

POST SPACING MAY BE INCREASED WASHED GRAVEL TO B' IF WIRE BACKING IS USED

2"x4" WOOD POSTS, STEEL FENCE POSTS, REBAR, OR EQUIVALENT

NOTE: FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOUR WHENEVER POSSIBLE

SILT FENCE DETAIL NTS

/

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R=25' MIN.

/ IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SO THAT RUNOFF DRAINS OFF THE PAD.

.A.,c~oc _)4~gq~~~>... 4--?~~-it ~.-...~~~a~~~~ c~ ,.eo.

<S>}' 0--? ./ / ~~~~~~M~ ~-it~~

INSTALL DRIVE WAY CUL ~.... ~::0 THERE IS A ROADSIDE D

PRESENT, AS PER KING~ R~ ROAD STANDARDS------'

~ ~~~~· 4 "-B" QUARRY SPALLS =f::==~ \ GEOTEXTILE AS en DIRECTED BY ENGINEER ~ ffJ PROVIDE FULL WIDTH

:::E z OF INGRESS/EGRESS ~ Q AREA. ~i!:

STABILIZED CONSTRUCTION ENTRANCE DETAIL NTS

Know what's below. Call before you dig.

(UNDERGRO UND UTILITY LOCATIONS Nlf. APPROX.)

NUt.!. REVISION BY DAlE WILLS R. MANSFIELD, P.E. 11/201 SHEET _ .. \ APPRO'IID: ........... tQ King County FUNDING -- EEARCREB(

FIELD BOOK: 2016 3 02 2016 ,, ... PROJECT SOURCE No.

(i1 5 B. PENDERGAST 02 2016

·~\ ""'- ,...,, l't t.IANAGER: L. O'ROLLINS 11/201 DOYLE PROP&ll f FESTORAllC* SURYEYID: • ...-C!'-' I. ...........

PROJECT No. 1123576 Department of Natural Resources and Parks OF B.P. 04 2016 .-.nr'"'ll .or ·""' DESIGNED: SCOTT MUCHARO 11/201 Water and Land Reeoui'C88 Division

12 SURVEY BASE ~.lAP: 'f \ ....... lnf\1h Rural and Regional ServiC811 Section L. TRAXINGER 04 2016 "\1 t:-'-' CONTRACT No. --

~=~w EcologiCIII ~l'lllion CHECKED: TEIIC CETALB NC NCm!B SHEETS •ncl EnglnHrlng Services Unit

NUt.!. RECORD CHANGES APPROVED BY DAlE KAY KITAMURA 11/201 ~ 'ONAL. 2016-04 CAO DESIGN: ........... ChtiiJIJe True, Dlr8clor

STORUWATER POI..lJITION PREVENTION PLAN

a..EMENT I'ECU'BENTS BEST MANAOEMENT PRACllCES - (BMP'e) a..EMENT RE<U'IBI:NT8 BEST MANAOEMENT PRACllCES - (BMP'e)

ELEMENT #1 ELEMENT ~

"PRESERVE VEGETAllON/ MARK CLEARING (PRESERVE NAlURAL VEGETATION;) - SURVEY AND STAKE ALL "CUT & FILL~ SLOPES. INDIVIDUAL TREES TO BE "CONTROL POLLUTANTS" (CONCRETE HANDLING; SAWCUTTlNG AND SURFACE PQI..l_UTlON PREVENTION; FUGillVE DUST CONTROL) - ALL POLLUTANTS INCLUDING FUELS, WASlE MATERIALS, DEMOUllON DEBRIS \\HEEL WASH WATER, SHALL BE

LIMITS" PRESERVED WITHIN THE CONSTRUCTION AREA SHALL BE MARKED. ut.41TS DEFINED BY USE OF HIGH VISIBILilY HANDLED AND DISPOSED OF IN A IAANNER TO PREVENT STORMWATER CONTAMINATION. COVER, CONTAINMENT FENCE (DELINEATE CRITICAL AREAS AS APPLICABLE TO THE PROJECT). AND PROTECTION FROM VANDALISM SHALL BE PROVIDED FOR ALL EQUIPt.lENT, CHEt.41CALS, LIQUID, PETROLEUM

AND INERT WASTES. ADEQUATE BMP'S SHALL BE IMPLEMENTED FOR PH MODIFYING SOURCES TO ENSURE STORMWATER DISCHARGES DO NOT CAUSE A VIOLATION OF THE WATER QUALITY STANDARD FOR PH. lHESE

ELEMENT 1/_2 SOURCES INCWDE BULK CEMENT, KILN DUSTS, FLY ASH, NEW CONCRETE WASHING & CURING, CONCRETE

"ESTABLISH CONSTRUCTION ACCESS" CONSTRUCTION VEHICLE ACCESS AND EXIT TO STAGING AREAS, STOCKPILING AND GRADED AREAS, SHALL BE GRINDING AND SAW CUTTING WASTE STREAMS, CONCRETE PUMPING AND MIXER WASHOUT, ETC. IMPLEMENTED TO LIMITED lWO DEFINED ACCESS POINTS TO ACCOMMODATE LARGE EQUIPMENT MANEUVERING. ACCESS POINTS SHALL TYPICALLY BE STABILIZED AND MAINTAINED WITH QUARRY SPALLS OR CRUSHED ROCK TO MINIMIZE THE TRANSPORT OF SEDIMENT ONTO PAVED SURFACES. SEDIMENT SHALl. BE REMOVED FROM ROADWAYS ELEMENT 11.10 BY SHOVELING OR PICKUP SWEEPING AND DEPOSITED IN A SEDIMENT DISPOSAL AREA. CONSTRUCllON ACCESS RESTORATION SHALl. BE EQUAL TO OR BETTER THAN ITS PRE-CONSTRUCllON STATE. "CONTROL DE-WATERING" (SEDIMENT BAG; BIOSWALE; SANITARY SEYtffi DISCHARGE W/ DISTRICT APPROVAL; TRANSPORT OFF SITE,

VEGETATED FILTER STRIP; INFILTRATION) - FOUNDATION , VAULT, PIWNG, TRENCH DE-WATERING AND WHEEL WASH WATER SHALl. BE CONVEYED INTO A CONTROLLED TREATMENT SYSTEM PRIOR TO DISCHARGE. CLEAN, NON-T\JRBID DEWATERING WATER SUCH AS WELL-POINT SOURCE GROUND WATER, MAY BE DISCHARGED TO VEGETATED FILTER STRIPS OR TRIBUTARIES, PROVIDED THE DE-WATERING FLOW DOES NOT CAUSE EROSION OR FLOODING OF RECEIVING WATERS. ACCEPTABLE DISPOSAL OPTIONS INCLUDE INFILTRATION ,OFFSITE

ELEMENT #3 TRANSPORT, SANITARY SEWER DISCHARGE WITH DISTRICT APPROVAL, SEDIMENTAllON BAG WITH OUTFALl. TO VEGETATED DITCH OR SWALE FOR SMALl. VOLUMES OF LOCALIZED DE-WATERING. ON SITE CHEMICAL

"CONTROL FLOW RATES" (CHECK DAMS; CATCH BASINS) - DOWNSTREAM PROPERTIES AND WATERWAYS SHALl. BE PROTECTED FROM TREATMENT OR OTHER SUITABLE TECHNOLOGIES AS D.O.E. APPROVED EROSION DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOWS FROM CONSTRUCTION SITE STORMWATER RUNOFF. TEMPORARY STORMWATER FACILillES SHALL BE BUILT AND OPERATIONAL AS PART OF THE FIRST STAGE OF GRADING OPERATIONS.

ELEMENT 11.11

"MAINTAIN BMP'S'" TEMPORARY AND PERMANENT TESC AND POLLUTANT BMP'S SHALL BE INSTAUED PER THE PROJECT PLANS, SPECIFICATIONS AND CONTRACllNG AGENCY DIRECTION. THEY SHALl. BE ~MAINTAINED &: REPAIRED• AS

ELEMENT #4 NEEDED TO ENSURE THEIR CONTINUED PERFORMANCE OF THEIR INTENDED FUNCTION. SEDIMENT CONTROLS

"INSTALL SEDIMENT CONTROLS" (STRAW WATILES VEGETATED STRIP; SEEDING, MULCHING) - PRIOR TO THE RELEASE OF STORMWATER FROM SHALL BE INSPECTED WEEKLY AND AFTER A RUNOFF PRODUCING STORM EVENT DURING THE DRY SEASON AND DIST\JRBED AREAS, IT SHALL PASS THROUGH A BIOSWALE, SEDIMENT BAG OR OTHER APPROPRIATE SEDIMENT OAIL Y DURING THE WET SEASON. BMP'S SHALL ONLY BE REMOVED 30 DAYS AFTER THE FINAL SITE REMOVAL BMP. STABILIZATION IS ACHIEVED AS DIRECTED BY THE CONTRACTING AGENCY. TRAPPED SEDIMENT SHALl. BE

REMOVED OR STABILIZED ON SITE. DISlURBED SOIL RESULTING FROM THE REMOVAL OF BMP'S OR VEGETATION SHALL BE PERMANENTLY STABILIZED. A PROJECT RECORD OR LOG SHALL BE KEPT OF All. BMP MEASURES IMPLEMENTED WITH DATES OF INSTALLATION, MAINTENANCE, STORM EVENTS, REQUIRED WATER QUALITY SAMPLING, REPAIR AND ACTION TAKEN TO PREVENT AND/OR CORRECT IMPACTS.

ELEMENT #5 (TEMPORARY &: PERMANENT SEEDING; STRAW AND WOOD CHIP MULCHING; PLASTIC COVERING; TOPSOILING; "STABILIZE SOILS" COMPOST; SURFACE ROUGHENING; DUST CONTROL) - BETWEEN OCTOBER 1 AND APRIL 30, SOILS (INQ.UDING ELEMENT #12 (PHASE CONSTRUCllON: SEASONAL WORK LIMITAllONS) - CONSTRUCTION SHALL BE PHASED WHERE FEASIBLE STOCKPILES) SHALl. NOT REMAIN EXPOSED MORE THAN 2 DAYS. FROM MAY 1 TO SEPTEMBER 30, NO SOILS "MANAGE THE PROJECr' TO THE MAXIMUM EXTENT PRACllCABLE, THE TRANSPORT OF SEDIMENT FROM CLEARING &: SHALl. REMAIN EXPOSED AND UNWORKEO FOR MORE THAN 7 DAYS. SELECTED SOIL STABILIZATION MEASURES GRUBBING AND GRADING OPERAllONS. STABILIZAllON AND MAINTENANCE SHALL BE AN INTEGRAL PART OF SHALl. BE IMPLEMENTED MAINTAINED AND APPROPRIATE FOR THE llME OF YEAR, SITE CONDITIONS, EXPOSURE &: EACH CONSTRUCllON PHASE. THE CONTRACTING AGENCY MAY IMPOSE SEASONAL LIMITATIONS DURING THE ORIENTAllON, DURATION OF USE AND IMPACTS TO WATER QUALITY AND GROUND WATER. WET SEASON (OCTOBER 1 - APRIL 30) ON CLEARING, GRUBBING AND GRADING OPERAllONS BASED ON SOILS,

SLOPES, VEGETATIVE COVER, WEATHER, ETC. TO PREVENT THE TRANSPORT OF SEDIMENT FROM THE CONSTRUCTION SITE TO RECEIVING WATERS. PRIOR TO CONSTRUCllON, THE CONTRACTOR SHALl. DESIGNATE THEIR CERTIFIED EROSION & SEDIMENT CONTROL PROFESSIONAL(S) WHOM SHALL BE ON-SITE OR, ON CALl. AT

ELEMENT /16 All. liMES WITH AUTHORITY TO TAKE QUICK ACTION TO CORRECT AND/OR IMPLEMENT EFFECTIVE BMP'S.

"PROTECT SLOPES" (PERMANENT SEEDING; PRESERVE VEGETATION; MATTING & NETS; PLASllC COVERING; STRAW WATILES; WHENEVER INSPECTION, MONITORING AND SAMPLING REVEALS THAT BMP'S IDENTIFIED IN THE SWPPP ARE

BIOSWALE; SUBSURFACE DRAINS; CHEO< DAMS) - PHASE GRADING TO MINIMIZE EXPOSED CUT &: FILL SLOPES. INADEQUATE, DUE TO THE ACT\JAL OR POTENllAL DISCHARGE OF SIGNIFICANT AMOUNTS OF ANY POLLUTANT, THE SWPPP SHALl. BE MODIFIED AS DIRECTED BY THE CONTRACTING AGENCY. THE SWPPP SHALl. BE USE AND MAINTAIN APPROPRIATE •coVER MEASURES" TO PROTECT SLOPES FROM EROSION AND AS A DUST RETAINED ON-SITE AND MODIFIED AND DOCUMENTED WHENEVER THERE IS A SIGNIFICANT CHANGE IN THE

CONTROL DIVERT UPSLOPE DRAINAGE AT TOP OF SLOPES AWAY FROM GRADING OPERAllONS. SEGREGATE PROJECT DESIGN, CONSTRUCTION, OPERATION OR MAINTENANCE OF ANY BMP. STORMWATER POLLUTION OFF-SITE STORMWATER FROM ON-SITE STORMWATER AND BYPASS AS NEEDED. PREVENTION PLAN (S.W.P.P.P.) AS REQUIRED BY N.P.D.E.S. PERMIT.

ELEMENT 1/_13 '"PROTECT LOW IMPACT DEVELOPMENT

PROTECT INFILTRATION TRENCH LID FROM SEDIMENTATION WITH BMP'S AS SHO'I\N. RESTORE BMP'S TO PROPER FUNCTION IF THEY ACCUMULATE SEDIMENT. PREVENT COMPACTION OF SOILS THAT HAVE BEEN EXCAVATED TO

ELEMENT IP BMP'S" FINAL GRADE, FROM CONSTRUCTION EQUIPMENT AND FOOT TRAFFIC, TO RETAIN THE INFILTRATION RATE OF THE SOILS. CONTROL EROSION AND PREVENT SEDIMENT AND OTHER POLLUTANTS FROM LEAVING THE SITE

"PROTECT DRAIN INLETS'" (STORMDRAIN INLET PROTECTION, INTERCEPTOR BIOSWALE) - ALL OPERABLE INLETS SHALl. BE PROTECTED DURING THE CONSTRUCTION PHASE OF THE PROJECT. KEEP All. HEAVY EQUIPMENT OFF OF LID FACILITY AND MAINTAINED WITH A SEDIMENT FILTERING DEVICE. PRIOR TO RELEASE TO WATERS OF THE STATE. THAT HAS REACHED FINAL GRADE. WHENEVER FEASIBLE ,DIVERT STORMWATER RUNOFF AWAY FROM INLETS TO SWALES. DITCHES, ETC.

ELEMENT II§_ "STABILIZE CHANNELS AND OUTLETS" (CHANNEL LINING; OUTLET PROTECTION; EROSION CONTROL BLANKETS, MATTING AND/OR PERMANENT SEEDING)

- TEMPORARY ON SITE CONVEYANCE CHANNELS SHALL BE CONSTRUCTED, STABILIZED AND MAINTAINED TO PREVENT EROSION FROM THE EXPECTED 2 YEAR. 24-HOUR FREQVENCY STORM. STABILIZATION INCWDING ARMORING MATERIAL ADEQUATE TO PREVENT EROSION OF OUTLETS, AND SLOPES SHALl. BE PROVIDED AT THE OUTLETS OF All. CONVEYANCE SYSTEMS.

NUM. REVISION BY DATE WILLS R. MANSFIELD, P.E. 11/201 SHEET APPROV£0:

2016 3 02 2016 FUNDING tQ King County BEARCIE&. 6 FIELD BOOK: PROJECT L. O'ROLLINS 11/201

SOURCE No.

r~~··~ B. PENDERGAST 02 2016 MANAGER: DOYLE PROPB'll 'f RESTORATION SURVEYED: PROJECT No. 1123576 jl\JgJ Department of Nab.mal Resourcas and Parks OF

SURVEY BASE MAP: B.P. 04 2016 DESIGNED: SCOTT MUCHARD 11/201 Water and Land Resources Division

12 Rural and Regional Services Section

CHECKED: L. TRAXINGER 04 2016 CONTRACT No.

~=~~ Ecological Rastoration SHEETS and Englneertng Services Unit STCAMWA'T&t PC1.UIIION FFEdMION PLAN

NUM. RECORD CHANGES APPROVED BY DATE KAY KITAMURA 11/2D1 -~·- CIEN!RAL NOTE8 2016-04 CAD DESIGN: ~ ChtfBIJ8 True, DlrrK:tor

NOTES:

2. TREES TO BE HANDLED AND TRANSPORTED IN A MANNER SUCH THAT BREAKAGE OF LIMBS IS MINIMIZED.

3. EXCAVATION SPOILS TO BE PLACED IN DESIGNATED AREA. IN-PLACE DEPTH NOT TO EXCEED 6 INCHES WITHIN TREE DRIP LINES. I '-...l ... ' .

' . ~ . ·. ' ~. ; .. -. ·. :~ ...

......_ ......_ j

1123576

./

tQ King County Department of Natural Resources and Parks Water and Land Reeoui'C88 Division Rural and Regional ServiC811 Section

EcologiCIII ~l'lllion •ncl EnglnHrlng Services Unit ChtiiJIJe True, Dlr8clor

SEC. 31, TWN. 26, R. 06 SE, W.M.

OF

12 SHEETS

2016-04

70

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NUt.!. REVISION BY DAlE WILLS R. MANSFIELD, P.E. 11/201 SHEET _ .. \ APPRO'IID: ........... tQ King County

FUNDING -- EEARCREB( FIELD BOOK: 2016 3 02 2016 ,, ...

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·~\ ""'- ,...,, l't t.IANAGER: L. O'ROLLINS 11/201 DOYLE PROP&ll f FESTORAllC* SURYEYID: • ...-C!'-' I. ...........

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~=~w EcologiCIII ~l'lllion CHECKED: IDfl' .:E atNI&. PRCFLE SHEETS •ncl EnglnHrlng Services Unit

NUt.!. RECORD CHANGES APPROVED BY DAlE KAY KITAMURA 11/201 ~ 'ONAL. 2016-04 CAO DESIGN: ........... ChtiiJIJe True, Dlr8clor

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(UNDERGROUND UTILITY LOCATIONS Nlf. APPROX,)

tQ King County Department of Natural Resources and Parks Water and Land Reeourcea Division

SHEET

9 OF

Rural and Regional ServiC811 Section

EcologiCIII ~ration •ncl EnglnHrlng Services Unit ChtiiJIJe True, Dlr8clor

12 SHEETS

2016-04

R. MANSFIELD,

L. O'ROLLINS

SCOTT MUCHARO

FUNDING -+-:..._· , SOURCE No.

PROJECT No.

CONTRACT No.

_ __::_::.__I

® Know what's below

;~~~----------~~Ca~ll~~::~~ · (U NDERGROUND UTILITY YOU dig, LOCATIONS N1f. .---A-PP_R.:...OX .. ,) I

SHEET

10 OF

12

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~ UJ~RE CARE

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1-ft King Cou"!!aurcas and Parks

... Department or N=ui'C88 Dlvlal~ Water and La7~nal ServiC811 Section Rural and Reg . n

EcologiCIII ~:~ces Unit ncl EnglnHrlng

• Dlr8clor ChtiiJIJeTIIJe,

SEC. 31' TWN. 26, . R 06SE,W.M.

i I

'v...J

OF

12

)

7

Know what's below. Call before you dig.

(UNDERGROUND UTILilY LOCATIONS ARE APPROX.)

NATIVE SOIL

COMPACT SOIL UNDER ROOTBALL (TYP.) __ ___,

NOTES: 1. ALL PLANT MATERIAL MUST BE KEPT MOIST.

2. PLACE ALL PLANTS SO THAT ROOT COLLAR IS LEVEL WITH FINISHED GRADE.

3. COMPACT SOIL UNDER PLANT SO PLANT DOES NOT SETILE.

4. FORM A WATERING BASIN 4 INCHES ABOVE FINISHED GRADE.

5. APPLY MULCH PER SPECIFICATIONS.

6. KEEP MULCH 4 INCHES FROM PLANT STEM.

MASS (SPREAD ROOTS)

NOTES: 1. KEEP LIVE STAKES MOIST AT ALL

TIMES.

2. INSTALL LIVESTAKES IN GROWTH POSITION. IF BOTIOM END OF STAKE HAS DRIED OUT, CUT FRESH END PRIOR TO INSTALLING.

3. INSTALL LIVE STAKES WITH 36" ON CENTER SQUARE SPACING, OFFSET ALTERNATE ROWS 18" AS SHOWN ON PLANS VIEW DETAIL.

4. MINIMUM EMBEDMENT OF ALL STAKES IS 1 8".

5. INSTALL STAKES WITH MINIMUM OF 3 NODES BELOW GRADE AND MINIMUM OF 4 NODES ABOVE GRADE.

6. FORM HOLE IN SUBGRAOE WITH STEEL BAR. CAREFULLY PLANT STAKE IN HOLE WITHOUT BREAKING OFF LEAF NODES. BACKFILL HOLE ANO TAMP TO FILL VOID SPACES.

MIN. 4 NODES ABOVE GRADE

in ..t

in ..;

-<0

~ in

~~""'""",.-t~"""~..--l-- LIVE STAKE MIN. 3 NOD INSTALLATION: BELOW GRADE INSTALL LIVE

BEVELED END (45" IN SOIL DO NOT LET DRY OUT

MINIMUM DIA. AT BASAL END *"

STAKES AT 3' SPACING. INSTALL PER DETAIL.

4 x STAKE DIA.

7. IN GRAVELY OR COMPACTED SOILS, FORM HOLE WITH A BAR OR AUGER. CAREFULLY BACKFILL HOLE AND TAMP TO FILL VOID SPACES. DO NOT AUGER DEEPER THAN PLANTING DEPTH. ELEVATION VIEW - HORIZONTAL GRADI ENT

TYPICAL LI VE STAKE INSTALLATION NTS

~ I" 1.5' OFFSET

u· ·n TREE AND SHRUB DETAIL (TYPICAL) . j \BEGINIS

6

.PACING FRO" TOP EDGE OF PLANTING ""

EDGE OF PLANTING BED AT DISTANCE SHOWN. NTS

70

LOW FLOW CHANNEL (TYP. PRIMARY AND: SECONDARY)

COTIONWOOD LIVE: POLES 6': O.C. BOTH SlOES (WIDTH VARIES) :

A~iE'Nb' SO'IL 'PER' ... I • • • • • • 70

SPECIFICATIONS 0 0 •

TREES 1 0' : O.C. ALTERNATE· SPECIES

· · · · · ·PER SPECif:'ICAl'IONS

....._ - ·-60

BACKWATER CHANN ELS STAKING AND PLANTING DETAIL

NTS

PLAN VI EW TYPICAL LI VE STAKE INSTALLATION

NTS

NATIVE SOIL ~W~&'.zR~~~ / />' '-''7>'/~ LIVE STAKE MIN. 4 __ '<"7/('*;>r--~b NODES ABOVE GRADE

MIN.

BEVELED END {45') IN SOIL DO NOT LET END DRY OUT

MINIMUM DIA. AT BASAL END *"

ELEVATION VIEW - SLOPE GRADIENT TYPICAL LIVE STAK E INSTALLATION

NTS

Symbol

Buffvr

Enhancement

Planting

(Outside of Clearing

Limits)

Doyle Planting Plan

Scientific Name: Common Name Quanatlty Condition Spacing

tQ King County Department of Natural Resources and Parks Water and Land Reeoui'C88 Division

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EcologiCIII ~l'lllion •ncl EnglnHrlng Services Unit ChtiiJIJe True, Dlr8clor

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2016-04