ASTM F956 - 91(2018) - Standard Specification for Bell, Cast, Sound Signalling

ASTM F956 - 91(2018)

Standard Specification for Bell, Cast, Sound Signalling

Status : Current   Published : October 2018



1.1 This specification covers cast sound-signalling bells, together with bulkhead mounting plates for the smaller bells, for use on ships, boats, and other marine craft, for compliance with the rules in the convention on the International Regulations for Preventing Collisions at Sea (commonly called Colregs). 2 See Appendix X1.

1.2 Bells and bulkhead mounting plate shall be sized as indicated in Section 4 (see Appendix X2).

1.3 For consistency with International Regulations, all measurements are in SI units.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard NumberASTM F956 - 91(2018)
TitleStandard Specification for Bell, Cast, Sound Signalling
Publication Date01 October 2018
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 Bell, bell casting, clapper, sound pressure level, sound signalling
File Size176 KB

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