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3301.5.1.4 Use of High Explosives
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Blasting operations or other use of high explosives shall be conducted under the personal supervision of a blaster holding a certificate of fitness for blasting operations. The blaster shall be in charge of and responsible for all blasting operations. The blaster shall ensure compliance with all applicable laws, rules, regulations, permit conditions and blasting procedures, and ensure that the blasting crew is trained and knowledgeable in the use of explosives. The blaster shall prescribe the blast area and danger zone and check that all persons, including the blasting crew, other job site personnel, pedestrians and traffic, are outside the danger zone before firing a blast. The duties of the blaster, except giving the direction to initiate the blast, may be delegated to an assistant blaster holding a certificate of fitness for blasting assistant.
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