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CFR › Title 46 › Chapter I › Subchapter F › Part 56 › Subpart 56.50 › Section 56.50-96

46 CFR 56.50-96 - Keel cooler installations.

There is 1 rule appearing in the Federal Register for 46 CFR 56. Select the tab below to view, or View eCFR (GPOAccess)
§ 56.50-96
Keel cooler installations.
(a) Keel cooler installations shall meet the requirements of § 56.50-95(d)(1) and (2), and (e)(3), and (f) except that shutoff or isolation valves will not be required for the inlet and discharge connections if:
(1) The installation is forward of the collision bulkhead; or,
(2) The installation is integral with the ship's hull such that the cooler tubes are welded directly to the hull of the vessel with the hull forming part of the tube and satisfies all of the following:
(i) The cooler structure is fabricated from material of the same thickness and quality as the hull plating to which it is attached except that in the case of half round pipe lesser thickness may be used if specifically approved by the Commandant. In any case the structure, with the exception of the hull proper, need not exceed three-eighths inch in thickness.
(ii) The flexible connections and all openings internal to the vessel, such as expansion tank vents and fills, in the installation are above the deepest load line and all piping components are Schedule 80 or thicker below the deepest load line.
(iii) Full penetration welds are employed in the fabrication of the structure and its attachment to the hull.
(iv) The forward end of the structure must be faired to the hull such that the horizontal length of the fairing is no less than four times the height of the structure, or be in a protected location such as inside a bow thruster trunk.
[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 72-59R, 37 FR 6189, Mar. 25, 1972; CGD 77-140, 54 FR 40611, Oct. 2, 1989]

Title 46 published on 2012-10-01

The following are only the Rules published in the Federal Register after the published date of Title 46.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-02-27; vol. 78 # 39 - Wednesday, February 27, 2013
    1. 78 FR 13243 - Updates to Standards Incorporated by Reference; Reapproved ASTM Standards; Technical Amendment
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This rule is effective March 29, 2013. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on March 29, 2013.
      33 CFR Parts 126, 127, 154, and 155

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code
USC : Title 33 - NAVIGATION AND NAVIGABLE WATERS

§ 1321 - Oil and hazardous substance liability

§ 1509 - Marine environmental protection and navigational safety

USC : Title 43 - PUBLIC LANDS

§ 1333 - Laws and regulations governing lands

Presidential Documents

Executive Order ... 12777

Title 46 published on 2012-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 46 CFR 56 after this date.

  • 2013-02-27; vol. 78 # 39 - Wednesday, February 27, 2013
    1. 78 FR 13243 - Updates to Standards Incorporated by Reference; Reapproved ASTM Standards; Technical Amendment
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This rule is effective March 29, 2013. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on March 29, 2013.
      33 CFR Parts 126, 127, 154, and 155