5/11/2018: New policy letter available regarding Equivalency Determination – FRP gratings conforming to ASTM F3059

The Coast Guard’s Office of Design and Engineering Standards published Policy Letter 01-18: “Equivalency Determination-FRP Gratings Conforming to ASTM F3059” that provides guidance on the acceptance of Fiber Reinforced Plastic gratings as equivalent to steel on inspected vessels, including mobile offshore drilling units and floating production platforms.

Policy Letter 01-18 requires ASTM F3059-15 in lieu of Policy File Memorandum on the Use of FRP Gratings (PFM 2-98) for the testing and approval of FRP gratings. PFM 2-98 is superseded by ASTM F3059-15.

FRP gratings that are listed and labeled as meeting ASTM F3059 by an independent laboratory acceptable to the USCG for testing for Approval Series 164.040 will not need USCG type approval. The USCG will no longer issue type approvals for FRP gratings under Approval Series 164.040. Unless otherwise notified by Commandant (CG-ENG-4), currently issued 164.040 type approvals will remain valid until they expire, or two years from the date of this policy letter, whichever is longer.

For more details, please view the entire policy letter.

Please contact the Coast Guard’s Lifesaving and Fire Safety Division (CG-ENG-4) with any questions on this material at typeapproval@uscg.mil.

This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official source documents, such as the Federal Register, Homeport and the Code of Federal Regulations. These documents remain the official source for regulatory information published by the Coast Guard.

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