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HomeMy WebLinkAboutSD-462-8SC -310 CHAMBER CHAMBERS SHALL MEET ASTM F 2418-09 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL . STORMWATER COLLECTION CHAMBERS ". 1 -112" - 2" CRUSHED, ANGULAR STONE AASHTO M288 CLASS 2 ELEV.= 214.5 MIN NON -WOVEN GEOTEXTILE ../ , 1,/ / ELEV.= 211.80 SC- 310 ENDCAP ELEV. 209.8. EST. S.H.W.T: GEOTEXTILE OVER STONE FOR SCOUR AT ALL CHAMBEF OVERFLOW .,� 52, 12" MIN 21 UNI GRANULAR WELL GRADED SOIUAGGREGATE MIXTURES, <35% FINES. COMPACT IN 6" LIFTS TO 95% PROCTOR DENSITY. SEE THE TABLE OF ACCEPTABLE FILL MATERIALS 12" MIN INFIL TRA T10N AREA A N. T. S. SC-310 CHAMBER CHAMBERS SHALL MEET ASTWF t "STANDARD SPECIFICATION FOR STORMWATER POLYPROPYLENE (PP) CORRUGATED WALL e e ANGULARISTONE AASHTO M288 CLASS 2 t MIN. NON-WOVEN GEOTEXTILE I�i�,�®� �[C ®t . -- .�r tt ski °.��•e °S tt—= ti.... . r1[= 1[ =1E =1 - 324 A TEXTI M288 CLASS 1 WOVEN 1 r 2" MMIIN N TEXTILE OVER FOUNDATION � ONE FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS = - -- OVERFLOW MANIFOLD _12 UNITS 1 12" MIN INFIL TRA T10N A N.T.S. 12" MIN �N 12' GRANULAR WELL GRADED SOIUAGGREGATE MIXTURES, <35% FINES. COMPACT INS" LIFTS TO 95% PROCTOR DENSITY. SEE THE TABLE OF ACCEPTABLE FILL MATERIALS z �N �^ 12' :3) MIN. 6" SC -310 CHAMBER CHAMBERS SHALL MEET ASTM F 2418 -09 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS ". 1 -112" - 2" CRUSHED, ANGULAR STONE AASHTO M288 CLASS 2 ELEV. =218.5 MIN. NON -WOVEN GEOTEXTILE ./ / i/ / ELEV.= 215.70 SC-310 ENDCAP ELEV. =213.7 EST. S.H.W.T AASHTO M288 CLASS .1 WOVEN GEOTEXTILE OVER FOUNDATION STONE FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS OVERFLOW MANIFOLD GRANULAR WELL GRADED SOIUAGGREGATE 'MIXTURES, <35% FINES. COMPACT IN 6" LIFTS TO `95% PROCTOR DENSITY. SEE THE TABLE OF ACCEPTABLE FILL MATERIALS / / it�3l�iCt��r— nr- ..n „--•:. ��1�1 1 ifi�l'�tl1 —n- 34_ 6'MIN. 12' MIN. 45 - 12” MIN z 130 UNITS N $ • 12" MIN INFIL TRA TION AREA B N.T.S. SC -310 CHAMBER CHAMBERS SHALL MEET ASTM F 2418-05 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS". 1 -112" - 2" CRUSHED, GRANULAR WELL GRADED SOIUAGGREGATE ANGULAR STONE \\\ MIXTURES, <35% FINES. COMPACT IN 6" LIFTSTO AC PROCTOR DENSITY. SEE THE TABLE OF AASHTO M288 CLASS 2 ACCEPTABLE FILL MATERIALS ELEV. =218.5 MIN. NON -WOVEN GEOTEXTILE 6" ELEV =218.03 ELEV.= 215:70 SC-310 ENDCAP ELEV.213.7 EST. S.H.W.T AASHTO M288 CLASS 1 WOVEN GEOTEXTILE OVER FOUNDATION STONE FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS 6 "MIN:" -1T 26 12" MIN �9 UNITS �^ 12' T � 120 MIN A 77ON AREA LOT 3 N. T.S. bJ, cs DECK oECK DEC/ IRn FIX' / -r,T FVV FLA..131e If 2 STY. W.F� NO. 192 W.F� II / I / `� STY. -� fa / / 1 2 192: 1. \ 1 I \ 2 STY 9 . 1 \ \ I I \ \ d 11 \ 1 \ o SC -310. CHAMBER CHAMBERS SHALL MEET ASTM F2418 -09 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER ER. COLLECTION. CHAMBERS ". 1-1/2-- 2" CRUSHED, ANGULAR STONE -\ AASHTO M288 CLASS \ \\ ELEV. =218:8.MIN. NON -WOVEN GEOTEXTILE / ,/ / / ELEV= 218.33 ELEV. =216:00 SG310ENDCAP ELEV.= 214:0 EST S.H.W.T AASHTO M288 CLASS 1 WOVEN GEOTEXTILE OVER FOUNDATION STONE FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS/ - OVERFLOW MANIFOLD J GRANULAR WELL GRADED SOIUAGGREGATE MIXTURES, <35% FINES. COMPACT IN'6" LIFTS TO 95% PROCTOR DENSITY. SEE THE TABLE OF ACCEPTABLE FILL MATERIALS 6 "MIN.- - 25' N. T. S. 2 "MIN. r 6" C:S TURNING • 12" MIN 9 UNITS (SCALE: 1"=40*) z N = Ain, "THIS PLAN IS SUBJECT TO A SPECIAL PERMIT DATED e 41 �� CLERK OF THE TOWN OF LEXINGTON, MASSACHUSETTS HEREBY CER77FY THAT 12" MIN N. T. S. 2 "MIN. r 6" C:S TURNING TEMPLA TE "THIS PLAN IS SUBJECT TO A COVENANT DATED (SCALE: 1"=40*) "THIS PLAN IS SUBJECT TO A CERTIFICATE OF AC77ON DATED - A -w__" "THIS PLAN IS SUBJECT TO A SPECIAL PERMIT DATED 41 �� CLERK OF THE TOWN OF LEXINGTON, MASSACHUSETTS HEREBY CER77FY THAT THE N077CE OF APPROVAL OF THIS PLAN BY THE LEXINGTON PLANNING BOARD HAS BEEN RECEIVED' AND RECORDED AT THIS OFFICE' AND NO N077CE OF APPEAL WAS RECEIVED DURING THE TWENTY DAYS NEXT AFTER SUCH RECEIPT AND ING OF SAID NOTICE. RECZilx,u- TO WN CLE K DATE REVISIONS NO. DATE DESCRIP77ON By 1 03 -12 -12 PLANNING BOARD STAFF MEMO FWR APPROVED BY.• DA TE DEFINITIVE SITE SENSITIVE DEVELOPMENT DRAINAGE CONSTRUCTION DETAILS CORNERSTONE WAY Rv LEXINGTON, MASSACHUSETTS (MIDDLESEX COUNTY) PREPARED FOR CORNERSTONE CONCEPTS SCALE.- NTS DATE. Zly.UaY 8 2014 E fn 3 KEENAN SURVEY SSIONAL �� 8 WINCHESTER PLACE WINCHESTER, MA 01890 SHEET No. 6 OF 8