(a) Hull penetrations for non-integral keel cooler installations must be made through a cofferdam or at a sea chest.
(b) Non-integral keel coolers must be suitably protected against damage from debris and grounding by recessing the unit into the hull or by the placement of protective guards.
(c) Each non-integral keel cooler hull penetration must be equipped with a shutoff valve.
[CGD 83-005, 51 FR 896, Jan. 9, 1986, as amended by USCG-2000-7790, 65 FR 58464, Sept. 29, 2000]
authority: 33 U.S.C. 1321(j);
46 U.S.C. 3306,
6101; Pub. L. 103-206, 107 Stat. 2439; E.O. 11735, 38 FR 21243, 3 CFR, 1971-1975 Comp., p. 793; DHS Delegation 00170.1, Revision No. 01.4; § 169.117 also issued under the authority of
44 U.S.C. 3507.
source: CGD 83-005, 51 FR 896, Jan. 9, 1986, unless otherwise noted.
cite as: 46 CFR 169.608