46 CFR 160.027-7 - Pre-approval tests for alternate platform designs.

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§ 160.027-7 Pre-approval tests for alternate platform designs.
(a) The tests in this section are for life float platforms that do not meet the requirements of either § 160.027-3(b) (1) or (2).
(b) The float body must be supported so that the platform is suspended in the air by the net or equivalent supporting arrangement. The platform must be loaded evenly with a weight equal to 60 percent of the weight of the total number of persons for which the float is to be rated, assuming a weight of 75 kg (165 lb.) per person. The weight must be allowed to remain on the platform for ten minutes after which it is removed. The supporting arrangement and platform must not show any evidence of damage or permanent deformation as a result of this test.
(c) The float body must be supported so that the platform is suspended in the air by the net or equivalent supporting arrangement. A bag of sand, shot or similar granular material weighing 90 kg (200 lb.) must be dropped onto the center of the platform from a height of 3 m (10 ft.). The supporting arrangement and platform must not show any damage that would affect the serviceability of the float or platform.
(d) As part of the buoyancy test required in § 160.010-7(e) of this chapter, the platform must be loaded with weights equal to 1/2 the rated capacity of the float. There must be no damage to the supporting arrangement or platform as a result of this test.
Note:
Since the weights on the platform will be submerged during this test, allowance must be made for the displacement of the submerged weights. The weight required is calculated by the formula W=(18d)/(d-4895), where W is the required submerged weight per person (in kg) and d is the density of the material (in kg/m3). (In customary U.S. units, the formula is W=40d)/(d-63) where W is in lb. and d is in lb./ft.3).

Title 46 published on 2013-10-01

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.

  • 2014-07-30; vol. 79 # 146 - Wednesday, July 30, 2014
    1. 79 FR 44129 - Lifesaving Equipment: Production Testing and Harmonization With International Standards
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This final rule is effective August 29, 2014. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on August 29, 2014.
      46 CFR Parts 108, 117, 133, 160, 164, 180, and 199

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United States Code
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Executive Order ... 12234

Title 46 published on 2013-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 46 CFR 160 after this date.

  • 2014-07-30; vol. 79 # 146 - Wednesday, July 30, 2014
    1. 79 FR 44129 - Lifesaving Equipment: Production Testing and Harmonization With International Standards
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This final rule is effective August 29, 2014. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on August 29, 2014.
      46 CFR Parts 108, 117, 133, 160, 164, 180, and 199