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HomeMy WebLinkAbout173 Route 6A - Proposed Drainage PlanSOIL LOGS (SEE SITE PLAN FOR LOCATIONS) HYDROCARBON LOW PT. TRAP i...\1C RY I:II>• ttttttttttttt_ 1: rim tNNi� {�i .:1:1:1.1 ]:Ililet EXISTING !1.'i1r' A'./tttttttt� C.I MANHOLE TO GRADE l L9d� /nM� //TP.)lttt_ YIEr� /+Ian /wor•�:..>• 1L 1�•!L � t•'�J• 1.. tttttt_ F IV.S� R`litttttttt� 4 1}Irtttttt_ CONNECT DOWNSTREAM EL 29.0 IST 3�i 4Y �::rttttt_ FILL (HARDENING) W 3" 1/2 TO 1" WASHED STONE OVER ENDS AND VENT BOTTOM OF SWALE7 BOTTOM OF SWALE ttt�tttt� ELEV 26.13 PVC PIPE �l}li RY 1: .ltttt� EL 28.00 •. OR EQUIVALENT A .\[�rtttttt_ •y��ii��tii{•_� U11' EL 30t RY �21,tttttt_ EL 25.75 0 EL 25.58 rR �'•a 1.00 GRAVEL ALONG SIDES HYDROCARBON LOW PT. TRAP CULTEC RECHARGER 400HD (H-20) TYP EXISTING 0.67 C.I MANHOLE TO GRADE RIDGE 2.37 EL 29-30t TYP 2.5't CLEAN SAND FILL+15" COMPACTED CONNECT DOWNSTREAM EL 29.0 28.50 4" SCHED 40 FILL (HARDENING) W 3" 1/2 TO 1" WASHED STONE OVER ENDS AND VENT BOTTOM OF SWALE7 BOTTOM OF SWALE 7��J' ELEV 26.13 PVC PIPE EL 28.00 •. OR EQUIVALENT —. EL 30t 4.50 EL 25.75 0 EL 25.58 1.00 GRAVEL ALONG SIDES 0.50 DB 9 GUTTER INLET H-20 2 REQ'D , , EL 23.00 2.94 2.58 0.50 GRAVEL BETWEEN UNITS CULTEC 410 1-1/2 TO 2 INCH 4.83' '58") FILTER FABRIC EL 21.5 HIGHEST GROUNDWATER CRUSHED WASHED ON CTR. 0.50 GRAVEL BELOW ENCOUNTERED 6' DIA BASIN PAD STONE (NOT COARSE 30.50 6.00 AGGREGATE FOR SEPTIC SYSTEMS!) 1.25' SIDES, 1' ENDS DRAINAGE SWALE AND PROPOSED DRAINAGE PLAN CATCH BASIN ��� 1 202 �::,ti (SCB-600-H-20 �,(, ! ��'"0FSS`^ 173 RT 6A, YARMOUTHPORT, os MA 600 GAL. SOLID _ ___ eeNYOUo �� � o JO}?, YOU,NCa w CATCH BASINNo. t o No o7 78 AS PREPARED FOR: o CALE DATE: MAY 22, 2002 SOLID BASINFcisT F s ROBERT F. &JUDITH M. COLLINS RE V.: ON 6' �Q PAD BERNARD J. YOUNG, P.E. W/ DOUBLE C.I. c�' BOX 1539, DENNISPORT, MASS 02639 (508) 394-1960 GRATE & FRAME) 2 REQ'D. FILE N0. RJC—COLLINS