00-0332-002 DRY EXFILTRATION SYSTEM IN PAVED AREA
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TYPICAL 'CATCH BASIN Kaso �t at �__�___._
TYPE I fOR 2 TEE'S cooK? ALTEMM 'Br
T}T�e It"TII CATCH BASIN!
OILS-6R� GREASE & ' OIL SEPARATOR
(WITH SEEPiIGE HOLE AT BOTTOU)
PRECEDING FRENCH GRAIN -
• TWO (2) TEES AS SHOWN' IF F.O. AT 80TH SIDES OF STRUCTURE
NOTES:
LESS TKANC 0.20uACREEPERP CATPCH .GA N.6 IS RECOUI.ICNDCD FOR SMALL DRAINAGE ARCAS
2 — FOR DRAINACC AREAS EOUAL TO OR GREATER THAN 0.20 BUT NOT CXCEEOING .3
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'PItOY c TYPE 'I AS PCR S.D.' 2.+6 37RUCTURCS. •
ALL INVERTS •OF PERFORATEO PIPES TO BC AT OCTOBER WATER -TABLE.
4 WHEN PRETREATUENT IS RCOUIRCO IN A ORY EXFII.TRATION SYSTt M. IF CRAOE
CONDITION ON SITE IS SUCH THAT THE INVERT OF THC NON PERPOFATEO PIPE LEAVING
THC CATCH BASIN IS SCLOW THC OCTOBER CROUND WATER LEVEL: A TRANSITION IS
RCOUIRCO rildW THIS INVCRT CLCVATION TO THE INVERT OF THE PERFORATED PIPE.
S -- ALL OTHCR ALTERNATIVES TO THE ABOVC OIL k CREASE INTERCEPTORS tAVST BC
RMCWCO ANb'7,PPROVCD BY O.E.R.M. PRIOR TO ISSUANCE OF 'A CONSTRUCTION PCRIJII