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ASTM F 1144 Document Information:
Title
Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
ASTM International
Publication Date:
Oct 10, 1998
Scope:
This specification provides design and construction criteria for a
semi-flush, oiltight and
watertight bolted hinged manhole cover assembly.
The manhole cover assemblies depicted on this specification are for
use in decks or bulkheads
requiring oiltight and watertight covers that are not required to be
completely flush. Manhole
cover assemblies shall be complete with covers, mounting rings,
gaskets, studs, washers, hinge
assemblies, and nuts.
Handles, if required, shall be as specified in the ordering
information.
Values stated in inch-pound units are to be regarded as standard.
This standard is not applicable to certain hazardous cargos. (See
46CFR 153.254 and 46CFR 154.340.)
This specification provides design and construction for manhole cover
assemblies subjected to
lateral pressures such as resulting from vehicle loads or hydrostatic
pressures. Where manhole
cover assemblies are subjected to primary or cyclic loads, other
reinforcement or construction
criteria may be necessary to integrate the manhole assembly with the
required structural
reinforcement for openings in decks or bulkheads. Design of the
manhole cover assembly for primary
or cyclic loads is beyond the scope of this specification.
Keywords:
- bulkhead
- decks
- manhole cover
- manhole cover assembly
- marine technology
- ships
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