ASTM F1142-98(2007)
(Specification)Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight
Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight
ABSTRACT
This specification provides the design and construction criteria for a semi-flush bolted oiltight and watertight manhole cover assemblies that are subjected to lateral pressures such as resulting from vehicle loads or hydrostatic pressures, and used in decks or bulkheads requiring manhole covers that are not required to be completely flush. Manhole cover assemblies shall be complete with covers, mounting rings, gaskets, welded studs, washers, and nuts. This specification does not address certain hazardous cargos, as well as the design of the manhole cover assembly for primary or cyclic loads.
SCOPE
1.1 This specification provides design and construction criteria for a semi-flush, oiltight, and watertight bolted manhole cover assembly.
1.2 The manhole cover assembly depicted in this specification is 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, welded studs, washers, and nuts.
1.3 Handles, if required, shall be as specified in the ordering information.
1.4 The values stated in inch pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.5 This specification is not applicable to certain hazardous cargos (see Section 46 CFR 153.254 and 46 CFR 154.340).
1.6 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.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F1142 −98(Reapproved 2007) An American National Standard
Standard Specification for
Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and
Watertight
This standard is issued under the fixed designation F1142; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Iron and Steel Hardware
B36/B36M Specification for Brass Plate, Sheet, Strip, And
1.1 This specification provides design and construction
Rolled Bar
criteriaforasemi-flush,oiltight,andwatertightboltedmanhole
D2000 Classification System for Rubber Products in Auto-
cover assembly.
motive Applications
1.2 The manhole cover assembly depicted in this specifica-
F783 Specification for Staple, Handgrab, Handle, and Stir-
tion is for use in decks or bulkheads requiring oiltight and
rup Rung
watertight covers that are not required to be completely flush.
2.2 ANSI Standards:
Manhole cover assemblies shall be complete with covers,
B1.1 Unified Inch Screw Threads
mounting rings, gaskets, welded studs, washers, and nuts.
Y14.5M Dimensioning and Tolerancing
1.3 Handles, if required, shall be as specified in the ordering
B18.2.1 Square and Hex Bolts and Screws, Inch Series
information.
2.3 American Bureau of Shipping Standard:
1.4 The values stated in inch pound units are to be regarded
Rules for Building and Classing Steel Vessels
as the standard. The values given in parentheses are for
2.4 Steel Structures Painting Council Standard:
information only.
SP-10 Surface Preparation Specification No. 10
1.5 This specification is not applicable to certain hazardous
2.5 Code of Federal Regulations Standard:
cargos (see Section 46 CFR 153.254 and 46 CFR 154.340).
CFR 46 Code of Federal Regulations
1.6 This specification provides design and construction for
manholecoverassembliessubjectedtolateralpressuressuchas
3. Terminology
resulting from vehicle loads or hydrostatic pressures. Where
3.1 Definitions:
manhole cover assemblies are subjected to primary or cyclic
3.1.1 manhole—an accessway located in a tank structure.
loads, other reinforcement or construction criteria may be
3.1.2 semi-flush—placement of the cover over the ringed
necessary to integrate the manhole assembly with the required
opening (without coaming).
structural reinforcement for openings in decks or bulkheads.
Design of the manhole cover assembly for primary or cyclic
4. Classification
loads is beyond the scope of this specification.
4.1 Type I—15- by 23-in. (381- by 584-mm) size of access
2. Referenced Documents
opening. Type II—18- by 24-in. (457- by 610-mm) size of
access opening.
2.1 ASTM Standards:
A36/A36M Specification for Carbon Structural Steel 1
4.2 Grade 1— ⁄4-in. (6.35-mm) thick cover plate. Grade
A131/A131M Specification for Structural Steel for Ships 3 1
2— ⁄8-in. (9.5-mm) thick cover plate. Grade 3— ⁄2-in. (12.7-
A153/A153M Specification for Zinc Coating (Hot-Dip) on
mm) thick cover plate.
This specification is under the jurisdiction of ASTM Committee F25 on Ships
and Marine Technology and is the direct responsibility of Subcommittee F25.03 on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Outfitting and Deck Machinery. 4th Floor, New York, NY 10036, http://www.ansi.org.
Current edition approved Dec. 1, 2007. Published January 2008. Originally Available from American Bureau of Shipping (ABS), ABS Plaza, 16855
approved in 1998. Last previous edition approved in 2003 as F1142 - 98(2003). Northchase Dr., Houston, TX 77060, http://www.eagle.org.
DOI: 10.1520/F1142-98R07. Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Pittsburgh, PA 15222-4656, http://www.sspc.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Standards volume information, refer to the standard’s Document Summary page on 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
the ASTM website. www.access.gpo.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1142−98 (2007)
4.3 Class A Manhole Cover Assemblies—Class A manhole 7.2 For plating up to and including ⁄4-in. (6.4-mm) thick-
cover assemblies shall be abrasive blasted to near white metal ness, use cover plate of ⁄4-in. (6.4-mm) thickness. Plating over
1 3
in accordance with SSPC SP-10, and a commercial marine ⁄4 in. (6.4 mm) up to, and including ⁄8-in. (9.5-mm) thickness,
3 3
quality, nonhazardous, corrosion-inhibiting, and oil-resistant usecoverplateof ⁄8-in.(9.5-mm)thickness.Platingover ⁄8-in.
primer coating be applied for protection for a period of one (9.5-mm) thickness, use cover plate of ⁄2-in. (12.7-mm)
year during shipping and in shipyard handling. thickness.
4.4 Class B Manhole Cover Assemblies—Class B manhole
8. Workmanship, Finish, and Appearance
cover assemblies shall be galvanized in accordance with
8.1 Items produced under this specification shall be free of
Specification A153/A153M.
splinters, sharp edges, burrs, projections, and weld spatters.
5. Ordering Information
9. Sampling
5.1 The purchasers ordering information shall include the
9.1 For orders for one or two manhole cover assemblies,
following:
each manhole cover assembly shall be inspected.
5.1.1 ASTM designation and year of issue,
9.2 For orders for three to ten manhole cover assemblies,
5.1.2 Type (see 4.1),
two manhole cover assemblies shall be selected at random. If
5.1.3 Grade (see 4.2),
any one of them fails to meet requirements, then all manholes
5.1.4 Class (see 4.3),
in the order shall be inspected.
5.1.5 Quantity,
5.1.6 Remarks—Handles (are/are not) required,
9.3 For orders for more than ten manhole cover assemblies,
5.1.7 Approval—Classification Society approval (is/is not)
they shall be separated into groups of ten (or fraction thereof)
required, and
for sampling purposes.
5.1.8 Gasket, if other than specified (see 6.6).
10. Inspection and Testing
6. Materials and Manufacture
10.1 Responsibility—Unless otherwise specified in the or-
der, the manufacturer is responsible for the performance of all
6.1 PlateforthecoverandtheringshallbeofSpecifications
inspection and testing specified herein. The manufacturer may
A36/A36M or A131/A131M steel.
use his own facilities or any commercial facility acceptable to
6.2 Round bar for the handle shall be in accordance with
the purchaser. The purchaser reserves the right to perform any
Specification F783, Type A.
of the inspections and tests set forth where such are deemed
6.3 Welded studs shall be ⁄4-in. (19.05-mm) 10 UNC-2Aby
necessarytoassurethatsuppliesconformtoprescribedrequire-
1 ⁄4 in. (44.4 mm) long and manufactured of ordinary steel to
ments. Nonconforming manhole cover assemblies shall not be
commercialstandards.Threadsshallbethecoarsethreadseries
offered for delivery.
as specified in the latest issue of ANSI B1.1.
10.2 Inspection—The dimensions of the manhole cover
6.4 Washers shall be ANSI B18.2.1 Type A, ⁄4-in. (19.05-
assembly and its components shall be checked to ensure that
mm) washer, 2-in. (50.8-mm) by 0.148-in. (3.8-mm) thick
they are within specified tolerances.
standard flat manufactured of yellow brass, Specification
10.3 Test Methods—Each manhole cover assembly shall be
B36/B36M.
designed to the pressure listed in Table 1 and tested to a
6.5 Heavy hex nuts shall be ⁄4-in. (19.05-mm) 10 UNC-2B
pressure equal to 1.5 times the design pressure. The test
and manufactured of yellow brass, Specification B36/B36M.
pressure shall be held for a minimum of 5 min. There shall be
Threads in nuts shall conform to the dimensions for coarse
no visible sign of leakage, permanent deformation,
...
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