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<br />SOIL AMENDMENT NOTES:
<br />SECTION.77 TOWNSHIP 28N RANGE 5W.M. OPTION 1- Amend Existing Soils inPlace:
<br />I 1 }? XIS7I a CB 1- 29 42 Scarify or till existing subgrade to 4 inches depth (or to depth needed to achieve a total depth of 12
<br />" L __ - -- f s li tL 42 s 30 � � 83 PVC) inches of uncompacted soil after calculated amount of amendment is added, see specific subsections
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<br />,�•.- ;= tE4���E 0D �`;�� 12" PVC) below}. Entire surface should be disturbed by scarification. Do not scarify within drip line of existing
<br />SINGLE FAMILY 72 LF 5 0 CB 3 - TYPE II 72" '
<br />AB 2 LF 48 CMP DETENTION TANK # ` t� 1�` -`2 tf =S 12' �"`�'0�' trees to be retained.
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<br />>_......_ CONTROL STRUCTURE II
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<br />' w S=0.0000 FT FT ` S-0.0000 FT FT ( t i CB #6 Within Stormwater Drainage System locations or Landscaped Areas (10percent organic content) -
<br />3. _µ... / = / (SEE DETAIL) , 4
<br />PER COE STD STA 3+48.27, 22.33LT Place and rototill 3 inches of composted material into 5 inches of soil a total depth of about 9.5 inches,
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<br />_,_ _. _.__..._» _.____ AB LF 48 CAI P RIM 469. 96-- 429 64(AB) for a settled depth of 8 inches). Asnoted previously, subsoils below this layer should be scarified at
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<br />-, DWG 418
<br />EX. BLDc ' ~ S=9.9999 FT FT c ' w IE=4�6-12" CPEP 427.04 12 ADS(S)(AB) least 4 inches, for a finished minimum depth of 12 inches of uncompacted soil. Rake beds to smooth
<br />0.0058(,AB� fit I t, � and remove rocks larger g
<br />-. I f i IE=427.10(N)(AB) g than 2 inches diameter. Mulch areas with 2 inches of organic mulch.
<br />{ f J () m I`tl" a � 3 , S § € } I` JE='41 d o" CEP# _
<br />CB_ #4....__..__ <1_' r, 8'PVC<r OUTS) " Within Lawn Areas (5 percent organic content) - Place and rototill 1.75 inches of composted material
<br />�' cn _ . _...,,._._ .
<br />r "' LF 12 CPEP AB
<br />3 zm oTQR�t( FILTER
<br />_: _•_:w.w -- -' � z m into 6.25 inches of soil (a total amended depth of about 9.5 inches, for a settled depth of 8 inches). As
<br />M� z SEE DETAdt, SHT:"gyp. = - S-�t/ft0.101(AB)
<br />w previously, subsoils below this Layer should be scarified at least 4 inches, for a finished minimum
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<br />- -- --.....w �r I depth of 12 inches of uncompacted soil. Water or roll to compact soil to 85 percent of maximum. Rake
<br />h,#i!`5' 3 E 3tD, _ ___.. _.._ ., _ _.._ _. _ ;. _._ ._ .... 9 LF 12 CPEP (AB)
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<br />�� , .,z� '' �;���� -m " �' ` ��.` - f�,� fA� to level, and remove surface woody debris and rocks larger than 1 inch in diameter.
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<br />- i Reapplication:
<br />Stockpile Site Topsoils Prior to Grading for
<br />�$ LF 12 CPE 18 AB
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<br />°-- , , If laced topsoil plus compost orother or organic material will amount to less than 12 inches: scan or
<br />�. PERMEABLE •- j p p p pa g scarify , . On,
<br />_a ,. •.�... �..,. ..�� S fit ft
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<br />°' E � r f loosened soil after topsoil and amendment are
<br />MET -�-� �'',,,, ,« , till subgrade to depth needed t
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<br />bg ep o achieve 12 inches o oos
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<br />placed. Entire surface should scarification. Do not scan within drip line of existing
<br />a ,,<� r =. - f, p ce e urf u d be disturbed by c scarify P g
<br />° _...�d?;K ' j w ';s x r:; ; '�' 1 ter Y!
<br />4 i . h E CONNECT CURTAIN DRAIN
<br />A ..., ° �' ; ��E �,,: s � & � . ;, .� E r1��° °,, � . � LLI ii j trees to be retained.
<br />TRENCH „ st �; I
<br />s.: f GIB `E�PEf2 _.a. a cx OUTFALL TO CB #2
<br />DAM TYP.
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<br />,• h moisture t allows a s ,. o ,; :.,, _.•,:: _� � , • __._; _ --- Stockpile and cover soil with weed barrier material that sheds m is a ye a it transmission, in
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<br />IE=425 5 (6 )
<br />approved location, prior to grading.
<br />e a =r PE`NMFAbLE CB #2, TYPE II-48" e
<br />PAVEMSNT ' i _, m ; STA 3+05.47, 17.20LT Replace stockpiled topsoil prior to planting.
<br />PAVE ; ° i aQ I O RIM=429.12 W/ GRATED LID (AB)
<br />F s i Within Stormwater Drainage stem locations or Landscaped Areas 1 Q percent organic content
<br />° -�'�,� yam. 4 i s vMT I�' » IE=4-2�� -2"-.- =422.72 12� ADS N AB g c ( p g ) -
<br />a i 4 PERFORATED PIPE 1 ° CONNECT _ „ p C ){ ) Place and rototill inches of composted material into 5 inches of replaced soil (a total depth of about
<br />6" PVC e s a i P F TO IE=4�4-4� - PEP422.71 12 ADS(NW)(AB) 9.5 inches, for a settled depth of 8 inches). Subsoils below this layer should be scarified at least 4
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<br />° QI , (SEE DET. SHT. 4) i p r� .� nn �� a n�� nrxrn »
<br />i i f r,? #2 I E= ,4.22 77 12 ADS(S)(AB) inches, for a finished minimum depth of 12 inches of uncompacted soil. Rake beds to smooth, and
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<br />' "'' remove rocks larger than 2 inches in diameter. Mulch areas with 2 inches of organic mulch or
<br />�IE=423.5 4 � g
<br />Q QP I E= 425. 5 6" stockpiled duff.
<br />4 YARD DRAIN 1 I
<br />W/ UPTURNED YARD DRAIN W/ UPTURNED Within Lawn Areas (5 percent organic content) - Place and rototill 1.75 inches of composted material
<br />.. E 15' PVT. "?a,
<br />ELBOW O.F.ELBOW O.F. into 6.25 inches of replaced soil (a total amended depth of about 9.5 inches, for a settled depth of 8
<br />SDC�438.46 AB DRAINAGE i
<br />{ ) RI M-&429.42 AB : = ' RI M=*-� 432.58 AB inches). Subsoils below this layer should be scarified at least 4 inches, for a finished minimum depth of
<br />EASEMENT i { ) { ) 12 inches of uncompacted soil. Water or roll to compact soil to 85 percent of maximum. Rake to level,
<br />° .. IFJ-430.07(AB) IE= 427.71(A8) i . I IE_ 425.63(AB) p p
<br />IE=430.23(AB) ;_ ` O.F. = 430.5 �` and remove surface wood debris and rocks larger than I inch in diameter.
<br />a .�> x. 1 s O.F. = 429.0 Y g
<br />PVMT
<br />i e OPTION 3 - Import Topsoil Meeting Organic Matter Content Standards:
<br />9 f ROOF INFILTRATION. II p p g g
<br />CO�NECT M R©OF INFILTRATION i .> 99 LF 12 CPEP(AB)
<br />4 ° 0. IT F I N F (200 SF TRENCH 4 X80 _ x Scarify or till subgrade in two directions to 6 inches depth. Entire surface should be disturbed by
<br />�� ;` � �' -- _ scarification. Do not scarify within drip line of existing trees to be retained.
<br />6 1 PVC BYPASS BOTTOM AREA) ,, ; R
<br />YARD DRAIN i ... ("fir �>, : � MAIN
<br />i M _ w 1' _ �=_�#� tH = 427• 5 Within Stormwater Drainage System locations or Landscaped Areas 10 percent organic content Use
<br />W/ UPTURNED �. T" aw '�'€�=Fw� t ` 1 P ( p g ) -
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<br />imported topsoil mix containing 10 percent organic matter (typically around 40 percent compost). Soil
<br />ELBOW 0. F. PVC, OUTS) portion must be sand or sand loam as defined b the USDA. Place 3 inches of imported topsoil mix on
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<br />RIM = 439.0-4 r' { 4 <�' surface and till into 2 inches of soil. Place 3 inches of topsoil mix on the surface. Rake smooth and
<br />! E= 436.0 i e i 1 FOUND CASED remove surface rocks over 2 inches diameter. Mulch planting beds with 2 inches of organic mulch.
<br />O.F.=438.5 I ` SDCO , ti; MONUMENT COPPER
<br />j 600 SF M1 (TYP.) I i TAC IN CONCRETE, Within Lawn Areas (5 percent organic content) - Use imported topsoil mix containing 5 percent
<br />600 SF YARD AREA �DN 0.40
<br />2 if
<br />i 1 -'� YARQ AREA organic matter (typically around 25 percent compost). Soil portion must be sand or sandy loam as
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<br />Y� .�` -- defined by the USDA. Place 3 inches of imported topsoil mix on surface and till into 2 inches of soil.
<br />+ € i '; _w--'OUND AS r CONCRETEM1,V r; ANT Water or roll to compact soil to 85 percent maximum. Rake to level, and remove surface rocks larger
<br />N h diameter.
<br />BRASS �3 ,PUNCH`, me m i
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<br />• � � fi�� � TIC � ',� 11i�� �'
<br />1,E,,a, �I0.70 I
<br />` i�'� lthan 1 - -ame
<br />r:. CB #1, SOLID LIDILI
<br />DPI r, � ... __
<br />c STA 2+06.55, 16.92LT 1 {
<br />� FIN/SHED GRADE EL VARIES
<br />: - RIM=423- 426.91CA I
<br />IE= 422.13 1 `£ r, 70TH PL SE MlN LANDSCAPING OR DD/W
<br />IE=4z'26-r"GRE-R-ADS(N)(A ;I ---�-- -
<br />ROOFINFILTRATION - _
<br />/ 422.11 12" ADS(S)V AB1' I >- C131= 425.10Y
<br />TRENCH 8>X40 SNGE FAMILY I IE =423.81 6" PVC (AB) 2t'O (ts 1�VC)
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<br />2. 0!1"420.10 ( 12' Pvc) 1-112 INCH WASHED ROCK
<br />JE=,, t .2 ; 12 RAC)
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<br />DRAINAGE GEOTEXTILE
<br />D.5 ('MIRAFI 140N OR EQUAL)
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<br />(TOP & SIDES ONL Y)
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<br />0.5' 6" PERF. PVC 00.003v
<br />NOTES
<br />1. DETENTION STRUCTURE SHALL BE FABRICATED FROM ONEOFTHE FOLLOWING:
<br />A. CORRUGATED ALUMINUM PIPE 12 GAGE. MIN.
<br />B. HIGH DENSITY POLYETHYLENE PIPE,,
<br />2, ANNUAL INSPECTIONS AND CLEANING REQUIRED BY OWNER TO ENSURE PROPER OPERATION OF DETENTION SYSTEM,
<br />3. W = MAXIMUM WIDTH OF TRENCH FOR PIPE/VAULT PER: MANUFACTURER INSTALLATION INSTRUCTIONS.
<br />4. COMPACT IUW' LIFTS TO 90%a MAX DENSITY.
<br />5, INLET AND OUTLET PIPE INVERTS SHALL MATCH BOTTOM OF VAULT ELEVATION.
<br />6. DISTANCE BETWEEN ACCESS POINTS SHALL NOT EXCEED 100`. PROVIDE ACCESS.RISERS AS NEEDED BETWEEN THE
<br />• LOCKING COVER SEE 2" MIN DIA AIR VENT PIPE MANHOLES,
<br />STANDARD DRAWING 610, REQUIRED WHEN THERE IS NO
<br />% ACCESS RISER ON VAULT - ` 7. TANKS LARGER THAN,4$" IN DIAMETER MAY BE CONNECTED TO ADJOINING STRUCTURES WITH A SHORT LENGTH OF 48"
<br />1 DIAMETER: PIPE. PIPE SHALL BE OF THE SAME MATERIAL AS THE TANK. CONNECTING PIPE BANDS AND/OR COUPLINGS
<br />SHALL BE AS APPROVED BY'THE CITY OF.EVERETT.
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<br />/ FINISHED GRADE, SEE
<br />j PLANS & SPECIFICATIONS A - FINSHED
<br />GRADE
<br />ITT
<br />DETENTION PIPE DIA
<br />If PER PLANSNORMAL
<br />WATER LEVEL -
<br />" COMPACTIN 8" LIFTS
<br />I TO 90% MAX DENSITY
<br />*�» 48" DIA z �.
<br />�. FLOW
<br />2' MAX ! O VAULT OUTLET
<br />W. Wd
<br />m 2
<br />FLOW 0.5% u
<br />2
<br />2 MAX �'
<br />DETENTION PIPE/VAULT
<br />48'DIA -�
<br />(DIA & LENGTH PER PLANS) W
<br />TYPE 2 - 72" CATCH BASIN
<br />RESTRICTOR WITH 2' MIN CATCH PER j
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<br />INSTALLATION STANDARD DRAWING A04
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<br />PER STANDARD
<br />DRAWING415 ELEVATION SECTION A -A.
<br />..._.................. ........ .... _. __ ...... ....___
<br />CONTRACTOR TO INSTALL
<br />4" PERFORATED. PIPE IN STRUCTURE IT' OF EVRETT
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<br />PARALLEL &ALONG FULL PUSUC WORDS DEPARTMENT
<br />LENGTH OF TANK YAKS �aT�, EH `PAu�:,,���; 01l2017
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<br />W/ 4" IE=423.5 TYPICAL CLOSED .,
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<br />UNDERGROUND DETENTION 418
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<br />VARIES
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<br />SEASONAL HIGH
<br />GROUND -WATER
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<br />P/L I _ LOT/ROOF INFILTRATION TRENCH
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<br />LOT ADJ. LOT - EX. IE=423.73 1 NOT TO SCALE
<br />I ROOF INFILTRATION NOTE:
<br />200 LF 12 CPEP
<br />S=0.004 ft/ft EACH TRENCH SHALL PROVIDE 320 SF OF
<br />BOTTOM TRENCH AREA FOR 2,200 SF OF ROOF.
<br />THE FINAL LAYOUT OF THE TRENCH CAN VARY
<br />3/4" WASHED BUT THE BOTTOM AREA MUST PROVIDE THE
<br />ROCK ` ! REQUIRED DETAIL.
<br />EDT SF WITH THE DEPTH PROVIDED I
<br />LINE BOTTOM & I
<br />SIDES WITH I IF FINAL ROOF AREA IS LARGER OR SMALLER
<br />NON -WOVEN i THAN THE 2,200 SF ASSUMED THE CONTRACTOR
<br />FILTER FABRIC I RIM -REFER MAY SCALE THE FINAL TRENCH ACCORDINGLY.
<br />TO PLAN CONTRACTOR TO PROVIDE ADJUSTED TRENCH
<br />SIZE TO CITY FOR REVIEW/APPROVAL PRIOR TO
<br />4" PERFORATED CONSTRUCTION.
<br />PIPE I 1 i O.F.
<br />REF. TO PLAN
<br />\ 12" I 6"
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<br />CURTAIN DRAIN SECTION
<br />N.T.S.
<br />IE REFER
<br />TO PLAN
<br />12" OU TFALL
<br />IE=421.25
<br />W/ ROCK PAD
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<br />I Y.D W/ UPTURNED
<br />ELBOW DETAIL
<br />NOT TO SCALE
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<br />HORIZONTAL SCALE
<br />Know what's below.
<br />Call two business
<br />days before you dig.
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<br />PROD. NO, DSN. BY:
<br />18-0329 RAW
<br />DATE:
<br />5/10/19
<br />SCALE:
<br />1"=20'
<br />DRAWING NO.
<br />4 OF 10
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