29 CFR 1926.909 - Firing the blast.

Status message

There are 5 Updates appearing in the Federal Register for 29 CFR 1926. View below or at eCFR (GPOAccess)
§ 1926.909 Firing the blast.
(a) A code of blasting signals equivalent to Table U-1, shall be posted on one or more conspicuous places at the operation, and all employees shall be required to familiarize themselves with the code and conform to it. Danger signs shall be placed at suitable locations.
(b) Before a blast is fired, a loud warning signal shall be given by the blaster in charge, who has made certain that all surplus explosives are in a safe place and all employees, vehicles, and equipment are at a safe distance, or under sufficient cover.
(c) Flagmen shall be safely stationed on highways which pass through the danger zone so as to stop traffic during blasting operations.
(d) It shall be the duty of the blaster to fix the time of blasting.
(e) Before firing an underground blast, warning shall be given, and all possible entries into the blasting area, and any entrances to any working place where a drift, raise, or other opening is about to hole through, shall be carefully guarded. The blaster shall make sure that all employees are out of the blast area before firing a blast.
Table U-1
Warning Signal—A 1-minute series of long blasts 5 minutes prior to blast signal.
Blast Signal—A series of short blasts 1 minute prior to the shot.
All Clear Signal—A prolonged blast following the inspection of blast area.

Title 29 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 29.

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

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

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

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)
      GPO FDSys XML | Text
      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