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A PORTION OF THE S 1/2 OF SECTION 1 &THE N 1/2 OF SECTION 12,T 28 N, R 4 E,WM
<br /> •
<br /> • INSTALL OVERSIZE CLAMP OR SLEEVE
<br /> CONNECTION AT OUTFALL TO ALLOW 2-12"SD OUTFALLS WITH ROCK HEADWALL •11/////rr
<br /> EXPANSION/CONTRACTION OF HDPE IE=427.00 I '4t
<br /> W/SOU ID LOCKING54"O PIPESDMH ' TYPE RIPRAP SETTLING BASIN TO BE MINIMUM /�4,, / p
<br /> 50 LF-18"®0.50% COVER 10'Lx8'W WITH A 1'DEEP DEPRESSION.
<br /> &FLOW RESTRICTOR 0 INSTALL 8"-12"SIZE RIPRAP ROCK AT 2'DEEP. NJ O RT H
<br /> ASSEMBLY
<br /> EX: SDMH -18'SETBACK FROM
<br /> TOP 435.50
<br /> TOP 432.73 PROPERTY UNE TO ,
<br /> IE 428.8 12"(E) IE 428.98-18"(E) MAX WATER SURFACE CONSTRUCTION NOTES: I � 1
<br /> IE 428.98-18"(SW) EX.SDMH
<br /> IE 427.5 18'(N,S) 434.0 �99=(NW� 0 20 40 BO Z
<br /> C.O.E STD DWGS 405, TOP 434.35
<br /> '15,416,&611 IE 429.5 12"(SE,W) O SEE DETAIL SHEET C-10 FOR FLOW RESTRICTOR SCALE: 1"=40' Q a
<br /> II IX.OVERFLOW INLET - MANHOLE.CONNECT TOT PROPOSED SDMH�4 ON -I 7
<br /> lit---Ist_-._. } TOP 434.00 O EXISTING 18"STORM SEWER IN HARDESON ROAD. D- L
<br /> -f I-SD- IE 429.9 12"PVC(NB) p �® 0-5•�� o_ Q o
<br /> SDMH TYPE 2-46" IO CONSTRUCT SDMH OVER EXISTING 18"STORM •••1
<br /> p
<br /> ............. -.... _.............._........................a_......__......................_......................�.. ... SEWER.RESTORE STREET PAVEMENT PER a: U CO
<br /> ©5/SOLID LOCKING. COVER Or-II
<br /> TOP 434.20 ( �• in O " C.O.E.STD DWGS 326&614. EL H i 2
<br /> IE 428.73 18"(N,S) 1 r F' "' C.O.C.STD DWC 105&611 J Q
<br /> IE 428.73 18"(E) �' �1 �,� �p.S TIX'-435.00 O 20 FOOT WIDE MAINTENANCE ACCESS DRIVE. (n
<br /> C.O.E.SW DWGS 405&611 �`"�i)e7�1 ���P' , iE-430.50 18"(NW,OE) 4"CSBC OVER 12"RECYCLED CONCRETE. Q Cr)
<br /> 0 -�1i@irt,'1,i�� �� ra; Tr --Il� v,.,n„n«--,,,,;,r BASIN DESIGN BASIS W
<br /> hat
<br /> 'r� �-J ^u"„c O¢ INSTALL DOUBLE 20'WIDE CHAIN LINK SWING GATE O cp D
<br /> 0 �t� �� 430 11 ON ACCESS DRIVE. THIS INFILTRATION BASIN IS DESIGNED BASED ON AN INFILTRATION RATE CO W
<br /> 11iiij� t 427 ('' \ 1N�� CONSTRUCT 20 FOOT CONCRETE DRIVEWAY TYPE 1 OF 1.5 INCHES PER HOUR FOR 29.6 ACRES OF TYPE C FORESTED Z Q Z J
<br /> I��• 1.....
<br /> `� W/ROCK HEADWALL �+ VP �i �'•\��. 5-40.7OR © 'E -.•E u FD
<br /> //�\\ CONDITION CONVERTED TO 80%IMPERVIOUS AND 20%LANDSCAPING. Q O m
<br /> 33'SETBACK FROM &TRASH RACK O\ 100*
<br /> 1 V.' �Q- Or^
<br /> PROPERTY LINE TO I 1 _ O \ �i'0 *� THE INFILTRATION BASIN WAS MODELED USING THE WESTERN u)
<br /> ,c INSTALL CATCH BASIN TYPE 2-48"ON EXISTING (J o
<br /> 4MAX 34.0 WATER SURFACE I O� PT © INFILTRATION SB p ��� \\ '�,' • O 12"STORM SEWER AS SECONDARY OVERFLOW. WASHINGTON HYDROLOGY MODEL(WWHM2012). O Z
<br /> I , O P /14010°',1, CB S-TYPE 248'0 INSTALL DEBRIS CAGE PER DETAIL ON SHEET C-10. Z m
<br /> BASIN (230'X 55') + S /\<Z- Ai �'�, W/ROUND SOLID LOCKING COVER O (n 2
<br /> +�///���./��A .r,, •. ,• RIM ELEVATION=434.00. X
<br /> 0
<br /> I 427 �, yj !'` �l C.O.E.STD DWG 405&611 EXISTING IE(12")=429.9(NW) m
<br /> �_1�' \,�IG�e�1i�1►I�i1�I��%� roP_4s1so m
<br /> 11(:1) )
<br /> C G 1 r �` 430 w 4�,. '� ♦'�I�,>/r•'\ IE-469.86-18"(W) Oj SDMH r• G^ CTIr� BY r 2 •,r r•E z W�
<br /> ER.B'SS 40%*I J ���"'�,•��,�/,�,,���,��� IE=478.02-12(SW) DEVELOPMENT.FUTURE DEVELOPMENT TO PROVIDE 0 0 EL
<br /> � ��i ��1s 3 440�f��w��G►_��'tC��►�G�����i!� 0.4100��i%��5���'���:� iE 46938-iz"NNV S)
<br /> INDIVIDUAL CONNECTION. STANDARD
<br /> QUALITY FACILITIES PRIOR TO STANDARD PRACTICE CODING SYSTEM < z
<br /> I 4104:3,401-1:01-1"4-111
<br /> .• i••.j*�. i- -�.i-� ...0.,5�,,tot�S x.'0.41 � .0.,,,:.,A• IE=469.36-12•(NW) O$ HYDROSEED ALL EXPOSED SOILS.PER LANDSCAPE CONTRACTOR TO INSTALL AND MAINTAIN ALL EROSION CONTROL BMP$ J D
<br /> 'I �.�/���. .�-.�•��'��'.��'_��.�� ' 1.0.-.1000. PLANS.INSTALL EROSION CONTROL MAT,NORTH AS SHOWN ON THIS PLAN IN ACCORDANCE WITH DEPARTMENT OF
<br /> �,,..•51, 110,114.10301.1",
<br /> }1' �- �- r ��T�. ��}p-��► ��}►"`���\\\ �, AMERICAN GREEN SC750. ECOLOGY STORMWATER POLLUTION PREVENTION REQUIREMENTS Li
<br /> a. ��••�� 11107 X4•1.'11•�••�•�-• ,4 01,101.3151INSTALL 6 FT HIGH PERIMETER CHAINUNK FENCE.
<br /> .�� - -.- '- .a -_ po -r __ `,S',� \ � O SUMMARIZED ON SHEET C4. IF BMP INSTALLATION AND MAINTENANCE IS Z
<br /> pp ., .„„,,..*-41.- . :`�.�'.}-,.,L.��.}...,-.. I.� v I��►�. INADEQUATE O MEET THESE REQUIREMENTS CONTRACTOR IN PROVIDE
<br /> pil
<br /> /'jl'�� `i♦ }�``-�' r �- }� ��}�.- _."}1� ��,.�}�}�, �� .���� FUTURE LOT 3 ADDITIONAL RAP'S AT NO ADDITIONAL COST TO OWNER.
<br /> V�cworp ��ip��aorigie IImolk� .�•�•`\X•1,�.�;� STORM DRAIN 10 FENCING TO BE INSTALLED BY CADMAN
<br /> •n♦ �ra} f-}�- }r}� }r a wtreiaaikoyis�scos 'ss ` CODE BMPs '�
<br /> EX. SDMH ��� ��� ��� �����I���LfS�.��G�l �� ♦' \��
<br /> �� r �. ��:- ��- �� �.�..p>;���.�".� it CONSTRUCT TWO f IPE ANCHORS PER DETAIL ON Q' '��1:
<br /> r• 4:. ` ASSOKin ,a&sin����Lia��maiorm 10404,*.\ SHEET C 10. O .
<br /> IE 433.6 18"N Q I `:�..�-'.. -'..�' _1.''..' .3.S-..A= =•� • II i INSTALL ANVIL SOCKET CLAMP PIPE ANCHORS WITH 5'LONG STEEL CORDEN RODS(OR CL CLEARING LIMITS&HIGH VISIBILITY FENCE(D.O.E.BMP C103)
<br /> ,2-.-‘11!"'-.
<br /> ‘ `
<br /> APPROVED EQUAL ON 12"HDPE PIPE AT LOCATIONS SHOWN-CLAMPS TO BE ONE SIZE
<br /> ���►►�uL /�� ����f'.7I�I\tMf�����_ _ _ syn
<br /> �__•�__ i l LARGER THAN PIPE TO ALLOW EXPANSION/CONTRACTION. Y �_-3
<br /> 1 i'j HARDESON INFILTRATION BASIN/SWPPP NOTES: Dc DUST CONTROL(D.O.E.BMP c14o>
<br /> • -• 1. INFILTRATION BASIN TO BE USED AS TEMPORARY SEDIMENT POND. LOT 1 TO BE
<br /> Z I ®® „ I I CD INTERCEPTOR SWALE W/ROCK CHECK DAM(D.O.E.BMP C200)
<br /> x 1 / STABILIZED PRIOR TO OVER-EXCAVATING POND AND PLACEMENT OF SAND LAYER.
<br /> FENCING TO BE INSTALLED �� '`
<br /> (n BY UNDERWOOD GARTLAND ( 1 '.•.( 2. CONTRACTOR TO OVER-EXCAVATE A MINIMUM OF 5 FEET BELOW THE BASIN
<br /> 410
<br /> lull)
<br /> I INSTALL 2-12"DIAMETER HDPE I �✓ <Z BOTTOM AND REPLACE WITH 5 FEET OF WASHED CEMEX SAND.THE POND IP CATCH BASIN/INLET SEDIMENT PROTECTION
<br /> /• 0 INSTALL
<br /> 2-12 PIPES 160LF EA) ( 'Si"- BOTTOM SHALL BE EVALUATED DURING CONSTRUCTION BY THE ENGINEER TO (WSDOT STD PLAN 1-40.20-00 Sc D.O.E.BMP C220)
<br /> I ( p ( I / DETERMINE IF ADDITIONAL EXCAVATION IS REQUIRED TO REMOVE ALL EXISTING
<br /> Q I k +ON THE GROUND SURFACE 1 O� FILL MATERIAL. MU MULCH(D.O.E.BMP C121)
<br /> = i • 1 /\ S n WITH PIPE ANCHORS.
<br /> ! O !!cb SLOPE TO MATCH POND SLOPE I I 3. PERMANENT SLOPES ADJACENT TO THE POND SHALL BE CUT INTO THE DENSE Z N
<br /> r�'J G3 (2:1 MAX). NATIVE SOILS TO THE SOUTH AT 2H:1V FOR PERMANENT SLOPES AS SHOWN.ANY PS TEMPORARY&PERMANENT SEEDING D.O.E.( BMP 0120) y ;?
<br /> I PERMANENT SLOPES THAT ARE CUT INTO EXISTING FILL THAT WAS NOT O -
<br /> I • ; hC'' P PREVIOUSLY COMPACTED TO ENGINEERED STANDARDS SHALL BE REMOVED, rn m
<br /> PREPARED AND COMPACTED IN ACCORDANCE WITH THE SLOPE RECONSTRUCTION O Z W rn v
<br /> a' �\ i DETAIL SB SEDIMENT BASIN/TRAP(D.O.E.BMP C241) Q h
<br /> �Q' POND GRADING TO BE " >Q p 3 n
<br /> COORDINATED WITH MINING c
<br /> Jf ^ RECLAMATION I SF TEMPORARY SILT FENCE(D.O.E.BMP C233) W U >H a
<br /> • + I „ ;y c c
<br /> QU) M2,,>a
<br /> 4D � 3W
<br /> Q 6 m
<br /> 550 550 EROSION CONTROL MONITORING PLAN 0
<br /> 540 --- 540 1. OBSERVE EROSION CONTROL MEASURES AT THE BEGINNING AND END
<br /> -- OF EACH DAY.REPAIR AND OR REPLACE AS NECESSARY TO ASSURE
<br /> _--._ - PROPER FUNCTION.
<br /> T .... �.� REVISIONS: APPD.
<br /> Id 530 _.. ,... _ _ _.. _.. 530 2. OBSERVE COLLECTION FACILITIES DURING PERIODS OF HEAVY9-20-17 MN
<br /> RAINFALL AND WET WEATHER CONDITIONS.
<br /> 520 / 520 3. OBSERVE AND MONITOR STABILIZATION TECHNIQUES.MAKE REPAIRS
<br /> m EXISTING GRADE\ - - - :: AND/OR ALTERATIONS AS NECESSARY TO PREVENT EROSION.
<br /> 4 510- _... i, ... _ 510. -
<br /> 4. COMPLY WITH ALL WASHINGTON STATE DEPARTMENT OF ECOLOGY
<br /> w .._ .. _ __ .i ... _.. _. (D.O.E.) AND CITY OF EVERETT(C.O.O.)REQUIREMENTS FOR -
<br /> -- - - - - - - - - -- i
<br /> / ... - DISCHARGE OF STORMWATER.
<br /> T,
<br /> 500 __... _.... POND GRADING TO BE _._ 500
<br /> COORDINATED WITH MINING
<br /> 490 490 RECLAMATION ki SWPPP BEST MANAGEMENT PRACTICES
<br /> PAD ELEV=484.0
<br /> o - ,' 1�: THE LOCATION AND TYPE OF PROPOSED MEASURES FOR TEMPORARY EROSION DATE: SEPTEMBER,2017
<br /> 0 480 f _.._._ 480 CONTROL SHALL BE AS FOLLOWS: DESIGN: JNM
<br /> 470 - - - - - - / - - - - SEDIMENT BASIN --DETENTION POND TO BE UTILIZED AS DRAWN: CD
<br /> 8 - - -- / - - - TEMPORARY SEDIMENT BASIN CHECKED:
<br /> / 470
<br /> $ - - - MULCH AND HYDROSEED--ALL EXPOSED SOIL UPON ATTAINMENT OF FINISH REVISION
<br /> X / - GRADE NUMBER:
<br /> P. 460 / 460 SILT FENCES --AT DOWNSLOPE SIDE OF AREAS TO BE CLEARED
<br /> _ ... .... ..... .... ... .......
<br /> P. AND AT TOE OF FILL SLOPES
<br /> 6 z 6'WIDE BERM _ SCALE:
<br /> LT_ 450 - 1OP=435.0 450 WET WEATHER GRADING&SWPPP NOTE PROJECT NUMBER:
<br /> .2 W FINISHED GRADE iV - _ 1. FROM OCTOBER 1 TO APRIL 30,NO DENUDED.SOIL AREAS AND SOIL STOCKPILES
<br /> w 440 O 2 i 11 _ 440 MAY REMAIN EXPOSED FOR MORE THAN 2 DAYS AND NO MORE THAN 7 DAYS UGDX0003
<br /> C`:,
<br /> r'>• m _ - -434.00 / - - - FROM MAY 1 TO SEPTEMBER 30.
<br /> mm• _____ -- -- 3 :. : : DRAWING FILE:
<br /> 430 �`�� 1 ',.1,/ 430 EC-009-IB-UGDX0003JEDEx.dwg
<br /> .iER1 /ter
<br /> 8.V 420 : L ' _ _.. 420
<br /> ^A BOTTOM OF INFILTRATION BASIN 5 FT DEPTH CLEAN - - - SHEET NO.
<br /> fo CALL 410 I ELEVATION=427.0 -PIT SAND - - - I I1 I I I r I 410 REVISION 10-12-17 AA
<br /> mw 2 BUSINESS DAYSC_09 O V
<br /> BEFORE YOU DIG 0+00 1+00 2+00 3+00 3+70
<br /> to FOR UTILITY LOCATE SECTION A-A: HARDESON INFILTRATION BASIN BRETT NICHOLSON (DEA) OF12
<br /> " 1-800-424-5555
<br /> a g 1"=20'HORIZONTAL&VERTICAL f �.i'""'�"j/,/
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