HomeMy WebLinkAbout400.3MANHOLE FRAME AND COVER
PER STD. PLAN 401.
ADJUSTMENT RINGS (2" MIN.)
SEE NOTE 4
MORTAR JOINT(S) (3/8" MIN.)
SEE NOTE 3
PRECAST VALVE
CHAMBER CONE
R.C.P. OR
EQUAL
'- POURED -IN-PLACE BASE
NOTES:
1. CASTING SHALL BE PER STD. PLAN 401.
2. CONE SECTION TO BE OF REINFORCED PRECAST CONCRETE.
3. ALL JOINTS BETWEEN THE CONE, RISER RINGS, BRICKS AND CASTING SHALL BE GROUTED.
4. ADJUSTMENT OF THE CASTING TO GRADE SHALL BE ACCOMPLISHED WITH A
COMBINATION OF ADJUSTMENT RINGS, BRICKS AND MORTAR ONLY. BRICKS SHALL
BE STAGGERED TO CREATE A RUNNING BOND OR 1/2 BOND.
THE USE OF SHIMS IS PROHIBITED.
5. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING,
COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASSER
MC-AROSHIELD OR APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE.
6. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C-443.
7. CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 THE INSIDE DIAMETER OF THE LARGEST PIPE.
8. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL
BOOTS OR APPROVED EQUAL.
9. IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM OF
12" ABOVE FINISHED GRADE OR MUST HAVE A MINIMUM 2' DIAMETER CONCRETE RINGS
POURED AT GRADE. IN PAVED AREAS, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING.
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* + PUBLIC WORKS SANITARY MANHOLE STD. PLAN — 400.3
DEPARTMENT EXTRA SHALLOW
�NTo SEPTEMBER 2011