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 Washington Administrative Code (Last Updated: November 23, 2016)
 Title 296. Labor and Industries, Department of
 Chapter 296-45. Electric power generation, transmission, and distribution.

  Section 296-45-67527. Line stringing.  

Latest version.
  • (1) Weight of the external load shall not exceed the manufacturer's load limit.
    (2) Each helicopter operator utilized in line stringing shall be authorized by the Federal Aviation Administration, Part 133, Class C Operations.
    (3) All line stringing operations shall be conducted in accordance with the following requirements:
    (a) Stringing tension method shall enable a consistent positive control of the cable, rope, or similar lines at all times during pulling operations;
    (b) During all pulling operations, the helicopter pilot shall maintain an aircraft orientation that allows the pilot to maintain constant visibility in both directions on line;
    (c) No pulling operation shall be conducted at a ground speed greater than fifteen mph;
    (d) When pulling from the aircraft belly hook attachment point, a ballast weight of a minimum three hundred pounds shall be utilized;
    (e) At no time during the pulling operation shall the load line that is attached to helicopter's belly hook attachment point exceed a thirty degree angle from vertical.
    Note:
    Subsection (3)(d) and (e) does not apply when pulling from the helicopter's approved side pull attachment point.
    (4) A helicopter shall not pull any cable, rope, or similar line which is at any point attached to a fixed object other than the helicopter itself. Helicopters may pull a "free-wheeling" or "pay-out" of the cable, rope, or similar line so long as the end is not tied to a truck or fixed object other than the reel itself.
    [Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW. WSR 16-10-081, § 296-45-67527, filed 5/3/16, effective 7/1/16. Statutory Authority: Chapter 49.17 RCW. WSR 94-20-057 (Order 94-16), § 296-45-67527, filed 9/30/94, effective 11/20/94; Order 76-38, § 296-45-67527, filed 12/30/76.]
RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW. WSR 16-10-081, § 296-45-67527, filed 5/3/16, effective 7/1/16. Statutory Authority: Chapter 49.17 RCW. WSR 94-20-057 (Order 94-16), § 296-45-67527, filed 9/30/94, effective 11/20/94; Order 76-38, § 296-45-67527, filed 12/30/76.