ASTM F991M-12
(Specification)Standard Specification for Docking/Drain Plug and Boss Assemblies [Metric] (Withdrawn 2013)
Standard Specification for Docking/Drain Plug and Boss Assemblies [Metric] (Withdrawn 2013)
ABSTRACT
This specification provides design, construction, and purchasing criteria for docking/drain plug and boss assemblies. Assemblies are intended for installation in shell, rudder, and tank bottom plate. Assemblies shall be installed at the lowest point of a tank or rudder for draining during dry docking. Docking plugs and bosses shall be classified as follows: type I - docking plug and bosses for plating from 8 to 15 mm, and type II - docking plug and bosses for plating greater than 15 to 38 mm. The procedure for installing docking/drain plug and boss assemblies are presented.
SCOPE
1.1 This specification provides design, construction, and purchasing criteria for docking/drain plug and boss assemblies.
1.2 Assemblies are intended for installation in shell, rudder, and tank bottom plate from 8 through 38 mm.
1.3 Assemblies shall be installed at the lowest point of a tank or rudder for draining during dry docking.
1.4 The values stated in SI units are to be regarded as the standard.
WITHDRAWN RATIONALE
This specification provided design, construction, and purchasing criteria for docking/drain plug and boss assemblies.
Formerly under the jurisdiction of Committee F25 on Ships and Marine Technology, this specification was withdrawn in October 2013. This standard is being withdrawn without replacement due to its limited use by industry.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: F991M −12 AnAmerican National Standard
Standard Specification for
1
Docking/Drain Plug and Boss Assemblies [Metric]
This standard is issued under the fixed designation F991M; 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 4.1.3 Optional nonstandard materials.
1.1 This specification provides design, construction, and
5. Materials and Manufacture
purchasing criteria for docking/drain plug and boss assemblies.
5.1 Materials:
1.2 Assemblies are intended for installation in shell, rudder,
5.1.1 Boss—ABS Grade plate or bar; shall be same or
and tank bottom plate from 8 through 38 mm.
compatible with the parent plate in either mild or high strength
1.3 Assemblies shall be installed at the lowest point of a
steel.
tank or rudder for draining during dry docking.
5.1.2 Plug—Specification B164 rod or bar.
1.4 The values stated in SI units are to be regarded as the 5.1.3 Other materials for the plug may be substituted to suit
standard. hull construction as approved by regulatory bodies.
5.2 Manufacture:
2. Referenced Documents
5.2.1 Plugs and bosses shall be machined.
2
2.1 ASTM Standards:
5.2.2 Threads shall be in accordance with ANSI B2.1.
B164 Specification for Nickel-Copper Alloy Rod, Bar, and
Wire
6. Dimensions and Tolerances
2.2 Other Documents:
6.1 Dimensions shall be as indicated in Fig. 1 and Fig. 2.
3
ABS Rules for Building and Classing Steel Vessels
4
ANSI B2.1 Standard Pipe Threads Except Dryseal 6.2 Tolerance shall be 61.5 mm.
6.3 Mass shall be as follows:
3. Classification
Type I Type II
3.1 Docking plugs and bosses shall be classified as follows:
Boss 1.6 kg 5.7 kg
3.1.1 TypeI—Docking plug and bosses for plating from 8 to
Plug 0.6 kg 1.0 kg
15 mm (see Fig. 1).
Total 2.2 kg 6.7 kg
3.1.2 Type II—Docking plug and bosses for plating greater
than 15 to 38 mm (see Fig. 2).
7. Installation
7.1 All welding shall be to the standards of the Rules for
4. Ordering Information
Building and Classing of Steel Vessels (ABS).
4.1 Orders for material under this specification shall include
7.2 Threads shall be adequately protected during installa-
the following:
tion.
4.1.1 ASTM designation and year of issue.
4.1.2 Type (See Section 3).
7.3 Fill plug face with portland cement or other suitable
compound and finish flush with face of boss.
1
This specification is under the jurisdiction of ASTM Committee F25 on Ships
7.4 Boss shall be inserted so that drain grooves run forwa
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