Kentucky Administrative Regulations
Title 805 - ENERGY AND ENVIRONMENT CABINET
Chapter 4 - Division of Explosives and Blasting
Section 805 KAR 4:160 - Airblast
Universal Citation: 805 KY Admin Regs Service 4:160
Current through Register Vol. 51, No. 3, September 1, 2024
RELATES TO: KRS 351.330
NECESSITY, FUNCTION, AND CONFORMITY: KRS 351.330 requires that the Department for Natural Resources prescribe rules to ensure that the use of explosives be done in a manner so that the safety of persons or property is not threatened. This administrative regulation provides rules to protect persons and property from the effects of excessive airblast.
Section 1.
(1) Maximum allowable airblast at any
dwelling, public building, school, church, commercial or institutional building
shall not exceed 129 decibels when measured by an instrument having a flat
frequency response (+/- 3 decibels) over a range of at least 6 to 200 hertz. If
the airblast is measured with an instrument having a flat frequency response
(+/- 3 decibels) over a range of at least 2 to 200 hertz, the corresponding
limit is 133 decibels.
(2) If the
department believes that the airblast from a blasting operation is exceeding or
threatening to exceed the limits in subsection (1), it may require that the
blaster monitor the air airblast for a specified period.
(3) The blaster shall take precautions,
including the adequate confinement of all explosive materials, to ensure that
the airblast limits in subsection (1) of this section are met.
(4) The department may require lower limits
than those specified in subsection 1 in the vicinity of buildings with
increased susceptibility to damage from airblast, such as those with large
plate glass windows, or in areas where excessive airblast could be deemed
unacceptable, such as near hospitals or schools.
STATUTORY AUTHORITY: KRS Chapter 13A, 351.335
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