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PERMFILE72187
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PERMFILE72187
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Entry Properties
Last modified
8/24/2016 11:21:42 PM
Creation date
11/21/2007 12:09:58 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
1/26/2005
Section_Exhibit Name
Rule 3 Performance Bond Requirements
Media Type
D
Archive
Yes
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• 1. Destruction of damaged or deteriorating explosives or detonators; or <br />2. Disposal of misfires and/or undetonated explosives; or <br />3. Firing of charged holes as soon as practicable after cessation where electricity <br />or stray current conditions where electric detonators are used; or <br />4. Firing of charged holes when weather conditions indicate the existence of a <br />safety hazard is eminent <br />Colowyo gives warning and all-clear signals of different characters that are audible- within <br />a range of one-half mile of the blast. Individuals within the permit area and individuals who <br />reside or work within one-half mile of the mining area will be notified of the meaning of <br />the signals through appropriate written instructions. Colowyo will periodically inform such <br />individuals of the proposed blasting schedule and inform them of the meaning of the <br />signals. Colowyo will also maintain signs in accordance with Section 4.02. <br />Colowyo will regulate access into the area possibly subject to flyrock from blasting to <br />protect the public and livestock. Fences are in place to keep livestock out of the mining <br />areas. The permit area will be identified by signs on the access road restricting entry to <br />authorized personnel. Signs will also be posted identifying the area as a blasting area and <br />describe the warning and all-clear signals. Immediate access to the area of blasting will be <br />cleared and controlled by qualified mine personnel prior to any blast. <br />Colowyo will control air blast from its blasting operations within the permit area so it does <br />not exceed the values specified by the chart set forth in Rule 4.08.4(6). The same design <br />factors utilized to control the seismic effects of blasting (i.e.: the use of numerous surface <br />delays to "spread" the shots out over time, particularly near residences) is also very <br />effective in controlling airblast. Additionally, to keep airblast to a minimum Colowyo uses <br />various other methods to ensure airblasts are kept in compliance. <br />Colowyo will not conduct blasting within 1000 feet of any building used <br /> <br />4.08-3 Revision Date: I I/21/03 <br />Revision No.: MR-61 <br />
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