DGSewerDetail7-121" AIR RELEASE VALVE DR
2" COMBINATION AIR RELEASE
VALVE & VACUUM VALVE
21 "~ RIBBED PVC RISER
W~ 60LT ON FIBERGLA55
LID BY ORENCO OR EQUAL
CARBON FILTER -
ExISTING GROUND ~
z
a
cD
14 GAUGE TONING WIRE
1~~" PVC TRUE UNION BALL VALVE-
1" PVC TRUE UNION BALL VALVE
SLOB
1" SCHEDULE 4D PVC
1" PVC ELL. SLxTH
1" SCHEDULE 8O PVC IPT NIPPLE
--SELF TAPPING PVC SADDLE
ROMAC MODEL 3D4 DR EQUAL
PRE55URE SEWER MAIN
NOTE:
PLACE IN ANON-TRAFFIC AREA,
UNION JOINTS SHALL BE SOLVENT
WELDED. CITY TO FIELD LOCATE.
2" RIGID FINISH GRADE SHALL
INSULATION ~ BE WITHIN 1"f 1~4"
OF TOP OF LIP.
3
1--MAX.
POLYPROPYLENE
STRAINER
MINIMUM OF 8~
OF PEA GRAVEL
BACKFILL FOR
DRAIN
I CITY OF YELM
DEPT. OF PUBLIC WORKS
TYPICAL SEWER AUTOMATIC
AIR RELEASE VALVE
APPS D~ DWG. NO.
PUBLIC WORKS DIRECTOR DATE ~- ~ L