Air-Release Manhole
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— FLEXIBLE SEALMIN 10 LF DIP WATER MAIN fCENTERED ON MANHOLENOTES 5 DIA PRECASTCONCRETE MANHOLE1 WATER MAIN SHALL BE DUCTILE WITH FLAT TOPIRON PIPE 10 LE CENTERED AXACROSS MANHOLE —_—_ PT2 CONTRACTOR TO INSTALL Re XKWATER MAIN AT DEPTHREQUIRED TO FACILITATEINSTALLATION OF AIR RELEASEMANHOLE AT HIGH POINT OFLINE3 ALL MATERIALS USED IN THEPOTABLE WATER SYSTEM MUSTBE NSF61 AND NSF372 CERTIFIEDAND MEET THE LATEST FEDERALSAFE DRINKING WATER ACT —REQUIREMENTSPLANCONCRETE CAKKATE LOCKABLE 24 RING COVERWITH ELAT TOP NCDOT TRAFFIC RATED W 1 DRILLED VENT HOLEUSE STAINLESS STEEL HEXHEAD BOLTSFLUSH WITH FINISHED GRADEFINISHED GRADE x—_— —— ee eeeqm TT] ; ft S|] |] | | AI | fra MANHOLE STEPS SHALL BE12 MIN PLACED 16 OC WHEN 1 DEPTH OF MANHOLE EXCEEDS 5’5 MIN | th24 MAX afy 2 AIR VACUUMPRESSURE RELEASEVALVE SHORT BODY ARK D-025J OR APPROVED EQUAL2aN v 2 ISOLATION VALVE ANDCCERCA EC AERBEER EE EEREERASEARARRARRAE NET PIPING SHALL BE SS 316FAR OR OOO OO OOORETAPPING SADDLE esMIN 12 #57 STONESECTIONNOT TO SCALE| Name | Date | 6DrawnBy || Oey PAGEChecked By | «| SSSCS—Ss yy a WATERJOHNSTON COUNTY f A STANDARD DETAIL[Approved By || Department of Public Utilities SR | 3Scale {| PO Box 2263 A ran of 29 Air VacuumPressurePE Smithfield, NC 27577 ‘Rt iS Release Valve in Manholea WNT CASSSe