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Agenda - 05-11-1981
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Agenda - 05-11-1981
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Last modified
9/19/2016 12:21:07 PM
Creation date
9/19/2016 12:14:44 PM
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BOCC
Date
5/11/1981
Meeting Type
Regular Meeting
Document Type
Agenda
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-----■•■••■••••11111■11 <br /> (c) VIBRATION LEVELS. <br /> As is the case with sound levels, the distance fx <br /> operation to any boundary is sufficient "insulation" from vibrations <br /> exceed ordinance limitations at that point. Our expert has also adv <br /> us that vibrations from our steady state operation will nor be perce <br /> at property boundaries. <br /> In order to assure that vibrations from blasting <br /> exceed ordinance levels, a variety of blasting techniques are custow <br /> utilized. Depending on the location of the shot within the pit and d <br /> ing on weather conditions, we can vary the number of holes shot, the <br /> of holes per delay, and the amount of powder per hole. <br /> Frequently we solicit the help and advice of other <br /> side explosive experts to guide us in loading and shooting in the saf( <br /> manner possible, and in a manner likely to restrict the noise and vib) <br /> to the lowest levels, possible. All state and federal blasting guideli <br /> are followed. <br /> 8. Other Miscellaneous Ordinance Requirements (7.8.1.2 C-H) <br /> • (a) Surfacing of Permanent Roads. <br /> No roads other than those shown to be paved are pre: <br /> on the operation site. These roads lead to a yard area. <br /> (b) No extraction will take place within 300 feet of a <br /> building or public lands. <br /> (c) No spoils piles or stockpiles shall be created to a <br /> height greater than 35 feet. <br />
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