ASTM F2991 - 13 - Standard Guide for Doubler Plate Repairs for Non-Classed Ship Structures

ASTM F2991 - 13

Standard Guide for Doubler Plate Repairs for Non-Classed Ship Structures

Status : Current   Published : January 2013



1.1 This guide covers information for designing permanent steel doublers for surface ships that are not classed with any classification society, and not load line certified. It is not intended to supersede any classification or statutory requirements.

1.2 This guide provides owners, operators, shipyards, and designers with information for designing and using doubler plates so that the damaged structure regains its original local strength.

1.3 When the steel is to be welded a welding procedure suitable for the grade of steel and intended use or service is to be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.

1.4 The values stated in metric units (SI) are to be regarded as the standard. The values given in parentheses (inch/pound) are provided for information only.

1.5  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard NumberASTM F2991 - 13
TitleStandard Guide for Doubler Plate Repairs for Non-Classed Ship Structures
Publication Date02 January 2013
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Crack, Damage, Doubler, Failure, Fracture, Structures, Welds
File Size100.7 KB

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