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27TH QR NE - HA►AG1� m
<br /> SECTION 20 , TOWNSHIP 28N , F2ANGE 5E , W . M . _
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<br /> . . . � AREA A ❑ AREA B � p .
<br /> STOCKPILE AND UNCOMPACIED, UNGRADED, N
<br /> � \, I I � � � � � I � AMEND SOIL IF UNDISNRBED w
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<br /> � � 1 � � I� �I i ;=� �^ � I � . .� NECESSARY�"OPTION 3' � .
<br /> { A . � � / � . .� / � � �� � � � � � � . . .
<br /> �� ,\\� � � � /( )j / � j �! ' ' I I '� � `� BASIC SOIL AMEN�MENT NOTES W
<br /> �/� / / / � � m A � �1 F .
<br /> ! � - / � � �;+ SOIL RETENTION. RETAIN, IN AN UNDISTURBED STATE, THE WFF LAVER AND NAPVE TOPSOIL TO THE a
<br /> / I \\ 5�.� � �� � . j I� N ; s ! ��- \ MAXIAIUM EXTENT PRACTICABLE. IN ANY AREAS REQUIRING GRADWG REMOVE AND STOCKPILE THE WFF� �
<br /> i/ -- - � k � /EX. FLOW �� � � / � i � I i f � LAYER AND TOPSOIL ON SITE IN A DESIGNATED, CONTROLLED AREA, NOT ADJACENT TO PUBLIC � '
<br /> i
<br /> RESOURCES AND CRITICAL AREAS, TO BE REAPPLIED TO OTHER PORPONS OF hIE SITE WHERE � a
<br /> / 5k� .x ARROW�(�IYP.) �� J! I 1 I N I I .\ FEASIBLE � �
<br /> � � � . � � — � — � — � — � — � -i . — I q �L _ _ s I � SOIL �UALITY. ALL AREAS SUBJECT TO CLEARWG AND GRA�ING THAT HAVE NOT BEEN COVERED B7 eY ��eS .
<br /> � � � �� ( �" � ^ ' . I � � IMPERVi0U5 SURFACE. INCORPORATED INTO A DRAINAGE FACWTY OR ENGWEERED AS STRUCTURAL FILL '� 1q
<br /> 25'x5' ROOF INFILTRATION J �hdl r � � � � c; . � I �� OR SLOPE SHALL, AT PROJECT COAIPLETION, DEMONSTRATE THE FOLLOWING: y: . a�.. �
<br /> TRENCH (SEE DETj' i / �� �' I I ��r I � � \•� � �1i ' 1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 107, DRY WEIGHT IN � ie ��°
<br /> AREA 'A' - � � ' i / ' / I '` i ' f-+--� EX' \ I � PLANTWG BEDS, AND 59. ORGANIC MATiER CONTENT IN NRF AREAS. AND A PH FROM 6.0 TO BA . y�'Z0 � .
<br /> 2,800 SF � p 0� i � l EX. PVMT � •� j ,��, NVMT�`I � ` OR MATCHING THE PH OF THE UNDISTURBED SOIL. THE TOPSOIL LAYER SHALL HAVE A MINIMUM �gQ^"�� •
<br /> i � �PR� � i mI � � �� I I� " I � DEPTH OF EIGHT INCHES E%CEPT WHERE TREE ROOTS LIMIT THE DEPTH OP WCORPORATION OF �
<br /> � '� EX. Y' I I �� AMENDMENTS NEEDED TO MEET THE CRITERIA. SUBSOILS BELOW THE TOPSOIL LAYER SHOUID BE
<br /> �� i � . j___ �� ' ROW I��'� � SCARIFlED AT LEAST 4 WCHES WITH SOME WCORPORATION OF THE UPPER MATERIAL TO AVOID
<br /> / '�I �' I �\ � � � STRATIFlED LAYERS, WHERE FEASIBLE �
<br /> � ! i � �\ � -� �-. 2. MULCH PLANTING BEDS WITH 2 INCHES OF ORGANIC MATERIAL . � �
<br /> � � I � EX. SFR / � � � �" �Vn � �� � 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT REQUIREMENTS �
<br /> �' � � -/ r - - - i � � I I � I I y I � a. THE ORGANIC CONTENT FOR PRE-APPROVEO'AMENDMENT RATES CAN BE MET ONLY USING � � �
<br /> � EX. I I � � � I � � � �:\__ . COMPOST MEETING THE COMPOST SPEQFICATION FOR BMP T7.30: BIORETENT70N CELLS, SWALES, J Z
<br /> SPIJT RAIL . 1 � ' �__ � � � I - AND PLANTER �BOXES (P.959), N7TH THE EXCEPTION THAT THE COMPOST MAV HAVE UP TO 359,
<br /> � °' BIOSOLIDS OR MANURE THE COMPOST MUST ALSO HAVE AN ORGANIC MATTER CONTENT OF 40% TO W
<br /> . FENCE i � � : SDCO 1 � �' _ 65R, AND A CAR90N TO NITROGEN RAi10 BELOW 25: 1. THE CARBON TO NITROGEN RAT10 MAY BE O � ��
<br /> � �' � qA�F';- �� � � �E� I O1 � r �— W .__ W, AS HIGH AS 35: t FOR PLANTINGS COMPOSEO ENTIRELYAF PLANTS NATiVE TO THE PUGET SOUN� � �
<br /> �-}- LOWLANDS REGION.
<br /> � �' TBa \ � �TYP'� � i N I I b. CALCULATED AMENDMENT RATES MAY BE MET THROUGH USE OF COMPOSTED MATERIAL MEETWG (A.) ��(
<br /> � � � � � � ABOVE. OR OTFIER ORGANIC MATERIALS AMENDED TO MEET THE CARBON TO NIiFiOGEN RATIO v�J W Q
<br /> �� I .� ' '� ,-�--�- � � �� . �, � REQUIREMENTS, ANO NOT EXCEEDING THE CONTAMINANT LIMITS IDENTIFIED IN TABLE 220-e, TESTING V J . �
<br /> I• 4 � •//�7 � �� 3 �' PARAMETERS, IN WAC 173 350 220 ^
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<br /> NE RESULTING SOIL SHOULD BE CONDUCIVE TO NE NPE OF VEGETATION TO BE ESTABLISHED. V� 2
<br /> _ - � �� � � � � � ' S --�-' QS -- OS � �/�
<br /> � m ' � IMPLEMENTAl10N OPTIONS: THE SOIL qUALJTY DESIGN GU@ELINES LSTED ABOVE CAN BE MET BY V J �
<br /> � `b 40'x4' DRIVEWAY Ra� 0 70✓,�UTILIN USING ONE OF THE METHODS LISTED BELOW: L
<br /> ASPHALT hHICKENED �' v� . � 1. 3� � C
<br /> EDGE OR ICONCRETE p INFlLTRATION 1RENGH I EA EMENT
<br /> I ! . ! AF� 20180622 002 � / _ 1. LEAVE UNDISTURBED NATIVE VEGETAT70N AND SOIL, AND PROTECT FROM COMPACTION DURING Z •
<br /> SWALE QSEE DET.) PR�P q�W � (SEE DET.) � I � � - CONSTRUCTION.
<br /> ����e4 �F� DEV. FLOW � I � °�ni � / �i � 2. AMEND EXISIiNG SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT PRE-APPROVED'RATES, OR AT
<br /> ��� ��� I / CUSTOM CALCULATEO RATES BASED ON TE5T5 OF THE SOIL AN� AMENOMENT.
<br /> I � ARROW (TYP.J � I � I /� 3. STOCKPILE EXISTING TOPSOIL DURING GRADING, AND � REPLACE IT PRIOR TO PLANTING STOCKPILE� �
<br /> � � � I 'f 3 + � TOPSQIL MUST ALSO BE AMENDED IF NEEDED TO MEET THE- ORGANIC MATTER OR DEPTH
<br /> I \ y � - � ( ��� - REOUIREMENTS, EITHER AT A DEFAULT PRE-APPROVED'RATE OR AT A WSTOM CALCULATED RATE. � N � N .
<br /> �i �� � I i Y i I ; I 4. IMPORT TOPSOIL MIX OF SUFFICIENT ORGANIC CONTENT AND DEPTH TO MEET THE REOUIREMENTS. Q � � rn
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<br /> � MORE THAN ONE METHOO AIAY BE USED ON. DIFFERENT PORTIONS OF THE SAME SITE SOIL THAT � K a o �
<br /> ALREADY MEETS THE DEPTH AND ORGANIC MATTER OUALITY STANDARDS, AND IS NOT COMPACTED, 0 � � � .
<br /> ��SW� ASPHpLT DOES NOT NEED TO BE AMEN�ED. W k � a �
<br /> CONCREIE I � DRIVEWAY 3 � � �
<br /> DRIVEWAY 1HICKENED 'I 12� f
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<br /> BASIC DRAINAGE NOTES .�
<br /> � 1. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED, OR PUT WTO USE a 2 ,
<br /> PLAN a" eiGio oft 6' UNTIL IT HAS BEEN INSPECTED, TESTED, AND ACCEPTED BY THE CITY OF EVERETT �
<br /> CONCRETE SWALE ASPHALT THICKENED VIEW �€we�[ Roov 2 ALL WORK AN� MATERIAL SHALL CONFORM TO THE CITY OF EVERETT DESIGN AND � (9
<br /> � PEaFORAiEo DRAIN CONSTRUCTION STANDARDS AND SPECIFlCATIONS AND THE W5D0T/APWA STANDARD � A ` _ � . �
<br /> DETAIL EDGE DETAIL P�PE -- SPEqFICAiIONS FOR ROAD, BRIDGE, AN� MUNICIPAL CONSTRUCiION (CURRENT EDITION). W �
<br /> NOT TO SCALE 3. APPROXIMATE LOCATIONS DF EXISTING UTILITIES HAVE BEEN OBTAINED FROM AVAILABLE
<br /> � NOT TO SCALE �� RECORDS AND ARE SHOWN FOR CONVENIENCE. THE CONTRACTOR SHALL BE RESPONSIBLE � _
<br /> _ - _ _ � ��P FOR VERIFICATION OF LOCATIONS AND TO AVOID DAMAGE TO ANY AOOIl70NAL UTILIiIES
<br /> WFlLlRAT70N �ps�� � SHOWN. IF CONFLICTS WITH EXISTING UTILI7IES .ARISE DURING WNSTRUCTION, THE O = �
<br /> TRENCH p� CONTRACTOR SHALL NOTIPY THE PUBLIC WORKS INSPECTOR AND ANY CHANGES REQUIRED W
<br /> ORFIN SHAI.L BE APPROVED BY THE CIN ENGINEER PRIOR TO COMMENCEMENT OF RELATED
<br /> � � OVERROW CONSTRUCT70N ON TNE PROJECT. .
<br /> SUPPORT BLOCK 4. ALL STORM SYSTEA�S WITHIN THE PUBLIC RIGHT-OF-WAY OR IN EASEMENTS MUST BE �
<br /> FINISHED GRADE EL VARIES � a' aiG�D oR 6" STAKED BY SURVEY FOR LINE AND GRADE PRIOR TO STARTING CONSTRUCTION
<br /> ��a� � 5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP NO WASTE, DRAINS T0 � � �
<br /> 12" AMENDED SOIL LAYER NOTE: PR��� PERFoeerzo
<br /> TOPSOIL OR PAVEMENT NEW PIPE STREAM, LAKE, RIVER, PUGET SOUND. OR WETLAND.' CHOOSE APPROPRIATE FEATURE FOR Z
<br /> M/N. EXISTING SOIL IN BOTTOM OF TRENCH TO BE p� ---,�: . � d � �
<br /> AMENDEO TO MEET THE DOE STANDARDS FOR �� THE PROJECT.
<br /> �. ✓ JrtYGJCLrd/- r � � �
<br /> � . TREATMENL � ' _to' .
<br /> ^ CATION E%CHANGE CAPACITY >= 5 s' , M�� ' . N � . y� . '� W Z 3 3 .
<br /> 7-1 7 /NCN WASHEO ROCK MILLIEQUIVALENTS / 100 g DRY SOIL ��� �_ ________ . . . ...Q� ��' __I,� � = O F-" �
<br /> 20� � (ORGANIC CONTENT (ASTM D 2974) w�sNeo aocK i�/�z'-ap' � 5' M�N -. . . . . . . . . .. r •� . �� \ N ~ � . •
<br /> ORA/NACEGE07EXDLE :. GEOTECH� AND A PROVED PERIORDTOYBACKFILLT �2• � u1N �B SUA1P � � � � /\ � `J 3 2 �
<br /> M/RAR 740N OR EOUALJ
<br /> (TOP & 5/DES ONLYJ CITY INSPECTOR TO OBSERVE AND VERIFY �s W/SOuO uu " � � � [�] r O W
<br /> . � GEOTECH ACCEPTANCE PRIOR TO BACKFILL �-►A FINE uIN � � � � �� � � r ~ Z
<br /> 12� PERF. PI/C � O.00.T � � SCRFFN . ... . . . - . . • _ � W � . . '
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<br /> ✓AA/ES FABRC LpIPAClEO 9ACKFlLL . . . . � LL Z O
<br /> J -.: aMcaoEo soic ta reR � � � o zo qo Know whaYs below. p � z . .
<br /> �.o �� Rirao a+ s• _� N � m
<br /> 5EE NOTEf IIIII
<br /> - r�wB� � Cail two business � o a
<br /> CONTRACTOR TO PROVIDE 2 PQ2FORAlED PIPE � HOftIZONTAL SCNIE days before you dig. � a ,
<br /> 2.0" 2.0' 3' MIN. 60' COVER FOR ALL � 2q• WnsHFt� ROCk . �
<br /> 4. REO. SERVICES AT INFILTRATION � ���Z• 3�� PLAN APPROVED
<br /> TRENCH CROSSINGS. ALL �y
<br /> SfASONAL H/GH SERVICE LMES PASSWG � '
<br /> CROUND-WA7ER ECEV. BENEATH MRLTRAPON � _ SECTIONA . � . o. . .
<br /> TRENCH SHALL BE SLEEVED. � MTS . , . . EVEET �y0508 � �EJ '
<br /> . . . � PUBIIC SERNCES
<br /> DRIVEWAY INFILTRATION ROOF INFILTRATION PUBL'� W°R"S � 05,2419
<br /> TRENCH DETAIL �n�nE� oRa���E DEPARTMENT
<br /> TR EN CH DETAI L a P�B��� ��s P��• ,s REW�R� PR�� ro °� ,� = zo•
<br /> STARIING ANY CON5IRUCPqJ ON iN15
<br /> NOT T0� SCALE cin, EH�N�R PROJEC�. APPROVAL FOR ThIIS PR0.ECT ^^^'^^^� . �
<br /> � � � AN� EXPIRES UNLE55 PERNIT
<br /> NOT TO SCAL ro,ecVo,�smucnav H SRR�N S��Ros « '
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