HomeMy WebLinkAbout2013-05-07 Planning Board Supplemental Materials (41) INSPECTION PORT:
9" MIN. OF APPROVED FILL 6" PVC RISER WITH END CAP TO
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(UNPAVED AREAS) WITHIN 6" OF FINISH GRADE 20' MIN. ��� r 0
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ROOF LEADERco
FINISHED GRADE 4 Q W co .� f
OVERFLOW PIPE 2.5" ASPHALT EXISTING 10' LEXIS Cu
14" MIN. OF 85% COMPACTED GROUND 10 MIN. MIN. PAVEMENT �> .� �jro Q
SPLASH BLOCK ,�'' Q� J ti n•
GRAVEL (PAVED AREAS) .1 Q S J-
4�
2" TO 4" CRUSHED �Q� �'t Z , r �� T
ELEV. 147.6± ; .. MINIMUM JQ �a f�
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STONE, TO A 1
„,w,:•....: , •;.............. _ ,.. •!' DEPTH OF 6
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;• ELEV. 146.6 QQ
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Q D to Q3 Zy !� pb Cft
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CULTEC NO. 410 FILTER Q
FABRIC TOP (MANDATORY),
SIDES AND BOTTOM -�� ' to rb
ELEV. 144.9 • • • • • - • • • • • • • • • - • • • • • • CRUSHED STONE CONSTRUCTION ENTRANCE .a i (Cbl ��,
ELEV. 144.4 NOT TO SCALE �`� ' �k�*r70 co
BUILDING _- THE CRUSHED STONE ENTRANCE SHALL BE MAINTAINED IN Ay Q 4 QQ ��� J
OUNDATION CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF Cry �] ��
12" Z 3.1' SEDIMENT ONTO THE ADJACENT ROADWAY.
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STONE CULTEC R-180 6" BASE STONE 1-1/2" - 2" 0J
BORDER CHAMBER ESHWT CLEAN WASHED BROKEN STONE Q & C
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(TYP.) ELEV. 141.3 j o a co
HOSE TO �� Q -5- A b 4
PUMP 0 e �,j
DOWNSPOUT AND ROOF RUNOFF
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INFILTRATION AREA DETAIL I 12"-24" DIA, ••• ••• -
1 11 PERFORATE ••• ••• I I I; "-�y •�
NOT TO SCALE �I HDPE PIPE . ... I= c
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ROOF RUNOFF INFILTRATION CHAMBER MAINTENANCE I_I I I ••• ••• I I II I �Zcb rn Qna ' �r,� ►�
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1. INSPECT CHAMBERS AFTER EVERY MAJOR STORM IN THE FIRST FEW MONTHS AFTER =1 •• ••• 1= r CIt Q � Q � Zp Ca
INSTALLATION TO INSURE PROPER STABILIZATION AND FUNCTION 1 I ••• ••• 1 I 2 AGGREGATE 1 CX �� 2Q 1744
2. INSPECT THE CHAMBERS 72 HR AFTER STORMS QUARTERLY FOR THE FIRST YEAR TO �I I ••• ••• I I �d ��.� S A17. w NO 1� �r��
DETERMINE THAT ALL OF THE WATER HAS DRAINED FROM THE CHAMBER 12" 111 1 _11 vo Ir QoN.�
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3. INSPECT THE CHAMBERS ANNUALLY 72 HOURS AFTER A STORM TO DETERMINE IF THE WATER d Q Q`' �� �� ' '�l,q C
HAS DRAINED k 01,
4. IF THE INSPECTION REVEALS THE CHAMBERS ARE NOT FUNCTIONING PROPERLY CONTACT A DEWATERING SUMP Q v Q �0
STORMWATER PROFESSIONAL TO DETERMINE WHATACTIONS ARE NECESSARY. n,t.S. ,ty Q ,
314"TO 1-112"STONE DRIVEWAY RUNOFF TREATMENT STRIP
MAINTENANCE ,
1. INSPECT CHAMBERS AFTER EVERY MAJOR STORM IN THE FIRST FEW 1Z. Qzy •� Q ��
1"TOP COURSE MONTHS AFTER INSTALLATION TO INSURE PROPER STABILIZATION AND ''� � -D .� �C► JS a
2"BINDER GRADED STONE 4 DENSE FUNCTION `'' r 4. Da�� a QQ
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f- 3' �I GRAVEL 2. INSPECT THE TREATMENT STRIP 72 HR AFTER STORMS QUARTERLY FOR .� Q) �� ria � �, w
••, . ; ' r ,' THE FIRST YEAR TO DETERMINE THAT ALL OF THE WATER HAS DRAINED ;;;4z;�� ~"'� ���a$ � � ��l�
y FROM THE STONE90.7" I °fi;y.''`+' ., •, ► ❑
� ~`1.' � � .� nQ
ACTUAL ; •`:} '•=" �s-: *� ��' '=r �- �!1
,.r.•:)i. �',{ ;j ►\\\%/���\\/���\\���`\\\\����\\�����\\����\��������� 3. INSPECT THE STRIP ANNUALLY 72 HOURSAFTERASTORM TO DETERMINELENGTH '� Q Q•
IF THE WATER HAS DRAINED �.
85.4" =�,,,= 7 ti,.,.;► . . r.+:r.':: r. .
UNDISTURBED SOIL •� _a " , ., r• �' , r r
�' •t�r'w`�Y-`'M5•�.y:���il�`.,�}edrr.{{,'a „i+':as,i,c i � !
I 1 :� ;•�:r.' =t= '' :' ■��;�• :_'� '� =' Oak
4. CLEAN DEBRIS FROM STONE AS NECESSARY INSTALLED ~
DRIVEWAY DETAIL 16" � 'b�?� :r : ,.,:,+z�:; �,..; a �C a � ► S
5. REPLACE SURFACE STONE IF IT APPEARS TO BE FILLED WITH SEDIMENT y�;+Y �• ,rs'V :'- �•.�. � h
NOT TO SCALE I Ick
Iftmt� ;:+;+: .�f�� <r,.`�+5=��'1.f' ❑ cam Q����� t
4. IF IT APPEARS THE STRIP IS NOT FUNCTIONING PROPERLY CONTACT A Q
STORMWATER PROFESSIONAL TO DETERMINE WHAT ACTIONS ARE :