46 CFR 56.50-57 - Bilge piping and pumps, alternative requirements.

§ 56.50-57 Bilge piping and pumps, alternative requirements.
(a) If a passenger vessel complies with §§ 171.075 and 171.082 of this chapter, its bilge pumping and piping systems must meet §§ 56.50-50 and 56.50-55, except as follows:
(1) Each bilge pumping system must comply with—
(i) Regulation 19(b) of the Annex to IMCO Resolution A.265 (VIII) in place of §§ 56.50-55(a)(1), 56.50-55(a)(3), and 56.50-55(f);
(ii) Regulation 19(d) of the Annex to IMCO Resolution A.265 (VIII) in place of § 56.50-55(a)(2).
(2) Each bilge main must comply with Regulation 19(i) of the Annex to IMCO Resolution A.265 (VIII) in place of § 56.50-50(d) except—
(i) The nearest commercial pipe size may be used if it is not more than one-fourth inch under the required diameter; and
(ii) Each branch pipe must comply with § 56.50-50(d)(2).
(b) The standards referred to in this section, which are contained in the Inter-governmental Maritime Consultative Organization (IMCO) Resolution A.265 (VIII), dated December 10, 1973, are incorporated by reference. This document is available from the National Technical Information Service, Springfield, Virginia, 22151, under the title “Regulations on Subdivision and Stability of Passenger Ships as Equivalent to part B of chapter II of the International Convention for the Safety of Life at Sea, 1960” (Volume IV of the U.S. Coast Guard's “Commandant's International Technical Series”, USCG CITS-74-1-1.)
[CGD 76-053, 47 FR 37553, Aug. 26, 1982, as amended by CGD 79-023, 48 FR 51007, Nov. 4, 1983]

Title 46 published on 2014-10-01

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Executive Order ... 12777