29 CFR 1926.305 - Jacks

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There are 5 Updates appearing in the Federal Register for 29 CFR 1926. View below or at eCFR (GPOAccess)
§ 1926.305 Jacks—lever and ratchet, screw, and hydraulic.
(a) General requirements.
(1) The manufacturer's rated capacity shall be legibly marked on all jacks and shall not be exceeded.
(2) All jacks shall have a positive stop to prevent overtravel.
(b) [Reserved]
(c) Blocking. When it is necessary to provide a firm foundation, the base of the jack shall be blocked or cribbed. Where there is a possibility of slippage of the metal cap of the jack, a wood block shall be placed between the cap and the load.
(d)
(1) Operation and maintenance.
(i) After the load has been raised, it shall be cribbed, blocked, or otherwise secured at once.
(ii) Hydraulic jacks exposed to freezing temperatures shall be supplied with an adequate antifreeze liquid.
(iii) All jacks shall be properly lubricated at regular intervals.
(iv) Each jack shall be thoroughly inspected at times which depend upon the service conditions. Inspections shall be not less frequent than the following:
(a) For constant or intermittent use at one locality, once every 6 months,
(b) For jacks sent out of shop for special work, when sent out and when returned,
(c) For a jack subjected to abnormal load or shock, immediately before and immediately thereafter.
(v) Repair or replacement parts shall be examined for possible defects.
(vi) Jacks which are out of order shall be tagged accordingly, and shall not be used until repairs are made.
[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, as amended at 55 FR 42328, Oct. 18, 1990; 58 FR 35176, June 30, 1993]

Title 29 published on 2013-07-01

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  • 2014-09-26; vol. 79 # 187 - Friday, September 26, 2014
    1. 79 FR 57785 - Cranes and Derricks in Construction: Operator Certification
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      DEPARTMENT OF LABOR, Occupational Safety and Health Administration
      Final rule.
      This final rule will become effective November 9, 2014.
      29 CFR Part 1926

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United States Code

Title 29 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 29 CFR 1926 after this date.

  • 2014-10-10; vol. 79 # 197 - Friday, October 10, 2014
    1. 79 FR 61384 - Chemical Management and Permissible Exposure Limits (PELs)
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      DEPARTMENT OF LABOR, Occupational Safety and Health Administration
      Request for Information (RFI).
      Comments must be submitted by the following dates: Hard copy: must be submitted (postmarked or sent) by April 8, 2015. Electronic transmission or facsimile: must be submitted by April 8, 2015.
      29 CFR Parts 1910, 1915, 1917, 1918, and 1926