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A PORTION OF SECTION 17, T 29 N, R 5 E, WM
<br />GENERAL CONSTRUCTION NOTES
<br />1. ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT
<br />STANDARDS AND STANDARD SPECIFICATIONS OF WDSOT/APWA.
<br />2. APPROXIMATE LOCATIONS OF EXISTING UTILITIES HAVE BEEN OBTAINED FROM
<br />AVAILABLE RECORDS AND ARE SHOWN FOR CONVENIENCE. THE CONTRACTOR
<br />SHALL BE RESPONSIBLE FOR VERIFICATION OF LOCATIONS AND TO AVOID
<br />DAMAGE TO ANY ADDITIONAL UTILITIES SHOWN. IF CONFLICTS WITH EXISTING
<br />UTILITIES ARISE DURING CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE
<br />DISTRICT AND ANY CHANGES REQUIRED SHALL BE APPROVED BY THE
<br />ENGINEER PRIOR TO COMMENCEMENT OF RELATED CONSTRUCTION ON THE
<br />PROJECT.
<br />3. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED OR PUT
<br />INTO USE UNTIL IT HAS BEEN INSPECTED, TESTED AND ACCEPTED.
<br />4. ALL STORM SYSTEMS WITHIN THE PUBLIC RIGHT—OF—WAY OR IN EASEMENTS
<br />MUST BE STAKED BY SURVEY FOR LINE AND GRADE PRIOR TO STARTING
<br />CONSTRUCTION.
<br />5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP NO
<br />WASTE, DRAINS TO STREAM, LAKE, RIVER, PUGET SOUND OR WETLAND".
<br />CHOOSE APPROPRIATE FEATURE FOR THE PROJECT.
<br />6. CONTRACTOR TO PROVIDE STORM WATER BYPASS AS REQUIRED FOR
<br />DEWATERING DURING CONSTRUCTION OF NEW SYSTEMS. NO DEWATERING TO
<br />THE CITY SEWER SYSTEM IS ALLOWED.
<br />7. CONTRACTOR TO OVEREXCAVATE AS NECESSARY TO PROVIDE STABLE
<br />FOUNDATION FOR STRUCTURES.
<br />8. WHERE TRENCH EXCAVATION EQUALS OR EXCEEDS A DEPTH OF 4 FEET, THE
<br />CONTRACTOR SHALL PROVIDE, CONSTRUCT, MAINTAIN AND REMOVE , AS
<br />REQUIRED, SAFETY SYSTEMS THAT MEET THE REQUIREMENTS OF THE
<br />WASHINGTON INDUSTRIAL SAFETY AND HEALTH ACT, RCW 49.17, INCLUDING
<br />WAC 296-155.
<br />1
<br />9S,
<br />�LF q�® O
<br />,cam
<br />R=25' MIN.___,/
<br />i
<br />(OPTIONAL) 12" MIN.
<br />4"-8" QUARRY SPALLS
<br />PLACE GEOTEXTILE UNDER SPALLS
<br />GEOTEXTILE SHALL MEET THE FOLLOWING STANDARDS:
<br />GRAB TENSILE STRENGTH (ASTM D-4751) = 200 PSI MIN
<br />��G'
<br />GRAB TENSILE ELONGATION ASTM D-4632) = 30% MIN
<br />MULLEN BURST STRENGTH (ASTM D-3786-80a) = 400 PSI MIN
<br />AOS (ASTM D-4751) = 20-45 (U.S. STD
<br />SIEVE SIZE)
<br />STABILIZED CONSTRUCTION ENTRANCE
<br />NO SCALE
<br />12%
<br />'111"
<br />V iGr" Opmings
<br />12" X 12" CATCH BASIN WITH 2 OPENINGS (NDS PART NO. 1200 OR EQUIVALENT)
<br />12" ATRIUM GRATE (NDS PART NO.1280 /1290 OR EQUIVALENT)
<br />1- 4" UNIVERSAL OUTLET
<br />1- 6" UNIVERSAL OUTLET
<br />AREA DRAIN W/ ATRIUM GRATE DETAIL
<br />REF: NDS PART NO.'S 1200 & 1280
<br />NO SCALE
<br />ATTACH IN A MANNER THAT
<br />ASSURES FABRIC IS FIRMLY
<br />HELD BY THE BACKUP
<br />SUPPORT IN A WAY THAT
<br />REDUCES THE POTENTIAL
<br />FOR FABRIC TEARING
<br />BACKUP SUPPORT
<br />BACKFILLED &
<br />COMPACTED
<br />NATIVE SOIL -
<br />BURY GEOTEXTILE
<br />IN TRENCH
<br />M
<br />BEEHIVE GRATE
<br />1" VENT HOLE WHEN
<br />NOT CONNECTED TO CS
<br />(COMBINED SEWER) ---
<br />6" PVC
<br />FACTORY TEE
<br />FLOW
<br />FROM RAIN GARDEN
<br />IE= 105.00
<br />24"
<br />0
<br />4�
<br />I
<br />to
<br />TOP OF RAIN GARDEN
<br />ELEV=109.50
<br />All
<br />WS ELEV=309.00 '7 FREEBOARD
<br />PONDING DEPTH
<br />3
<br />BOTTOM OF CELL
<br />ELEV=108.00
<br />6" PVC PLUG
<br />24"
<br />MAX
<br />____4FLOW
<br />TO COMBINED SEWER
<br />ADAPTOR OR PIPE JOINT
<br />6" PVC PIPE
<br />SAND COLLAR OR COR-N-SEAL TYPICAL
<br />6" PVC PIPE AS REQUIRED
<br />TYPE 1L CB SEE STANDARD DRAWING 403
<br />FLOATABLE MATERIAL SEPARATOR & GAS TRAP
<br />BASED ON C.O.E. STD. DWG 410
<br />NO SCALE
<br />POST SEE WSDOT STANDARD
<br />SPECIFICATIONS 8-01.3(9)A lhilµ
<br />FASTEN GEOTEXTILE TO
<br />POST EVERY 6" IN O.C.
<br />SELF-LOCKING TIE-NYLONE
<br />6/6 (MIN GRADE)
<br />120# MIN TENSILE STRENGTH,
<br />UV STABILIZED
<br />TEMPORARY SILT FENCE
<br />PER C.O.E. STD. DWG 214
<br />NO SCALE
<br />NOTES
<br />5" MAX 1. Size the Below Inlet Grate Device (BIGD) for the storm water structure it
<br />( "+` will service.
<br />DRAINAGE GRATE --\ ( TRIM
<br />- 2. The BIGD shall have a built-in high -flow relief system (overflow bypass).
<br />GRATE FRAME ;` `\'' *`\' 3. The retrieval system must allow removal of the BIGD without spilling the
<br />collected material.
<br />r 4. Perform maintenance in accordance with Standard Specification 8-01.3(15).
<br />SEDIMENT AND DEBRIS
<br />OVERFLOW BYPASS
<br />J
<br />">,•�- ` "'-- BELOW INLET GRATE DEVICE DRAINAGE GRATE
<br />RECTANGULAR GRATE SHOWN
<br />RETRIEVAL SYSTEM
<br />(TYP)
<br />PLAN APPROVED
<br />O
<br />PUSLIC SERVICES A DATE
<br />`618AInAGE EROSION PUBLIC WORKS
<br />DE'PA,Q7", ENE
<br />WATER
<br />A PUBLIC WORKS PERMIT IS
<br />REQUIRED PRIOR 'iO STARTING
<br />ANY CONSTRUCTION GN THIS
<br />PROJECT. APPROVAL FOR THIS
<br />PR03ECT IS COh11,11TaDNAL PER
<br />TRAFFIC CURRENT '. DS AND
<br />EXPIRES Zg ^ UNLESS
<br />PERMIT FOR CONSTRUCTION HAS
<br />CITY ENGINEER BEEN ISSUED.
<br />TYPICAL RAIN GARDEN PLANTING ZONES
<br />PER RAIN GARDEN HANDBOOK FOR WESTERN WASHINGTON
<br />NO SCALE
<br />6"-12" TYPICAL
<br />PONDING DEPTH
<br />3HAV SIDE SLOPE MAX TYPICAL
<br />CLEAN OUT SET CAP HIGHER
<br />THAN MAX WATER LEVEL
<br />1-21, MULCH
<br />PLAN VIEW
<br />20" X 24"
<br />10" X 12"
<br />jj
<br />5/8"~I
<br />20" X 24"
<br />SECTION VIEW
<br />BEEHIVE GRATE DETAIL
<br />REF: OLYMPIC FOUNDARY PART NO. SM60BH
<br />NO SCALE
<br />BOTANICAL NAME
<br />COMMON NAME
<br />PLANTING ZONE
<br />MATURE HEIGHT
<br />PLANT SPACING
<br />QUANTITY
<br />JUNCUS ENSIFOLIUS
<br />DAGGER LEAF RUSH
<br />ZONE 1
<br />12" TO 18"
<br />36" OC
<br />15
<br />JUNCUS ACUMINATUS
<br />TAPER TIPPED RUSH
<br />ZONE 1
<br />6" TO 18"
<br />24" OC
<br />10
<br />IRIS TENAX
<br />OREGON IRIS
<br />ZONE 1
<br />12" TO 18"
<br />12" OC
<br />30
<br />TIARELLA TRIFOLIATA
<br />FOAM FLOWER
<br />ZONE 2
<br />12"
<br />12" OC
<br />30
<br />GEUM
<br />AVENS
<br />ZONE 2 & 3
<br />8" TO 20"
<br />12" OC
<br />30
<br />GERANIUM
<br />CANTABRIGIENSE
<br />BIOKOVO HARDY
<br />GERANIUM
<br />ZONE 2 & 3
<br />6" TO 8"
<br />8" OC
<br />60
<br />RAIN GARDEN PLANTING SCHEDULE
<br />PLANTINGS
<br />BERM AS NEEDED
<br />COMPACTED NATIVE FILL
<br />EXISTING GRADE
<br />NOTES
<br />DESIGN:
<br />1. SEE THE RAIN GARDEN HANDBOOK FOR WESTERN
<br />WASHINGTON FOR DESIGN AND PLANTING
<br />INSTRUCTIONS. NATIVE PLANTS ARE PREFERRED,
<br />BECAUSE NON-NATIVE AND INVASIVE SPECIES CAN
<br />MOVE DOWNSTREAM AND DAMAGE HABITAT. IF
<br />NON -NATIVES ARE CHOSEN, BE SURE THAT THEY
<br />WILL NOT DAMAGE DOWNSTREAM HABITAT.
<br />2. PROVIDE RAIN GARDEN INFORMATIVE SIGNS FOR
<br />RAIN GARDEN ASSOCIATES WITH NEW
<br />CONSTRUCTION. SIGNS ARE AVAILABLE FROM
<br />PERMIT SERVICES.
<br />3. MAINTENANCE AGREEMENTS ARE REQUIRED FOR
<br />RAIN GARDEN INSTALLATION USED TO MEET
<br />STORMWATER MINIMUM REQUIREMENTS.
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<br />�� ` / { .I I I II 1 I i 111il I I II II 1 lj: ) I {= 4 I 1 40L
<br />I i=11 E I CI .Fl 1V I I I {III 1= .. DATE: AUGUST 28 2017
<br />FILTERED`' �� r r
<br />— DESIGN: JNM
<br />WATER`,` I-i I _I!r1 I I —III II I- it I I-11 I1�, --I If-1 I -1 I I—d I ICI I I `� '° CONSTRUCTION;
<br />19 II 1 _ F171 I ( �-f I I EI i 111=-1 I I, I II 1= I I I 1 I I I~� f 1. BUILD AND VEGETATE RAIN GARDEN AS EARLY AS DRAIN: APDC
<br />POSSIBLE TO ESTABLISH PLANTINGS BEFORE CHECKED:
<br />Q —I —` ;f DIRECTING STORMWATER RUNOFF TO IT.
<br />I I I I I C� III I I III I {" i EXCAVATE AT STABLE
<br />I -I / SLOPE ANGLE FOR REVISION
<br />} '. f 2 1 >_n:
<br />~ - `wry y= —ate , _ . INFILTRATION AREAS (THE AREA OF THE RAIN
<br />`f� NATIVE SOIL NUMBER:
<br />w' ! 6' MIN
<br />cc GARDEN AS DEFINED BY THE TOP ELEVATION OF THE
<br />C � ,°„- / /, ` FACILITY) SHALL BE FENCED OFF FROM THE FIRST DAY SCALE: AS NOTED
<br />to .. o " " "' /�'i/ rV,� ✓/ OF EARTH MOVING UNTIL PROJECT COMPLETION TO
<br />E a� OVERFLOW BYPASS 1/2-3/a WASHED GRAVEL , �4 `
<br />? LL BELOW INLET GRATE DEVICE TYp AMENDED PLANTING 501E PREVENT COMPACTION OF THE SUBGRADE, DIRT
<br />G ( ) CLEAN COARSE SAND �� � _ E ,�,1 � jv' ��.� �, � � - STOCKPILING OFTRACKING ANY LAYER OF THE CONSTRUCTIONMA AGILITY AND
<br />20 (WSDOT STD SPEC 9-03.13) E`i\ 13i° . MATERIALS THAT PROJECT NUMBER:
<br />Z�lQ d 6" MI TYPE �� SEE FLOATABLE MATERIAL SEL CB WITH BEEHIVE PARATOR MAY CLOG THE SURFACE.CL
<br />RMCAOOVO 0009
<br />UNIFORMLY GRADED & GAS TRAP DETAIL ABOVE 3. DURING EXCAVATION OF NATIVE SOILS TO THE
<br />S+ ` MIN SUMP DEPTH
<br />CO m � �, � STORAGE ROCK
<br />NON -PERFORATED OVERFLOW BOTTOM OF THE FACILITY, RAINFALL MAY CAUSE
<br />OR EQUIVALENT)
<br />STD SPEC 9 03.12(S) PIPE DIRECTED TO APPROVED DISPOSAL POINT FINES TO CLOG THE SURFACE OF THE FACILITY. IF THE
<br />ISOMETRIC VIEW OR EQUIVALENT) NATIVE SOIL HAS BEEN EXPOSED TO RAINFALL, HAND DRAWING FILE:
<br />RAKE THE SURFACE TO A DEPTH OF 3" TO RESTORE Ec—IM-004—RMCA0009.dwg
<br />Q d UNDISTURBED NATIVE INFILTRATION CAPACITY.
<br />m t° SECTION VIEW SUBGRADE 3" DEPTH 3/4 DRAIN ROCK, OPT
<br />e'- r
<br />� >o
<br />0000
<br />N
<br />00.0
<br />COMPACTED NATIVE SUBGRADE 4. DURING AREA DRAIN INSTALLATION, DISTURB NATIVE SHEET j1t{j,
<br />6" PERFORATED PVC PIPE, SOILS AS LITTLE AS POSSIBLE.
<br />STORM DRAIN INLET PROTECTION=°°°°°
<br />REF: WSDOT STD PLAN 1-40.20-00 RAIN GARDEN WITH UNDERDRAIN C4
<br />NO SCALE
<br />BASED ON C.O.E. STD. DWG 427 OF 4
<br />a NO SCALE
<br />
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