Wash. Admin. Code § 296-52-67075 - Blast area precautions
(1)
Warning signs. Blast area warning signs must:
(a) Be set up at all entrances to the blast
area.
(b) Have lettering a minimum
of four inches high and on a contrasting background.
(2)
Loaded stumps. All loaded
stumps must be marked for identification.
(3)
Lock out. Cables close to
the blast area must be deenergized and locked out by the blaster in
charge.
Notes
Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050 . 02-03-125, § 296-52-67075, filed 1/23/02, effective 3/1/02.
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(1) Warning signs. Blast area warning signs must:
(a) Be set up at all entrances to the blast area .
(b) Have lettering a minimum of four inches high and on a contrasting background.
(2) Loaded stumps. All loaded stumps must be marked for identification.
(3) Lock out. Cables close to the blast area must be deenergized and locked out by the blaster in charge.
Notes
Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050 . 02-03-125, § 296-52-67075, filed 1/23/02, effective 3/1/02.