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GENERAL51351
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Entry Properties
Last modified
8/24/2016 8:37:38 PM
Creation date
11/23/2007 6:43:15 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
General Documents
Doc Date
4/9/2003
Doc Name
Blasting Analysis Inspection (E-mail)
From
Scott Crellin
To
Byron Walker
Permit Index Doc Type
Blasting
Media Type
D
Archive
No
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~- (y~(-G~ ~ ylG~slrt ~u~jir[~r-~~+n <br />Walker, Byron <br />From: Scott, Crellin (KEC) [ScottC@kenergy.com] <br />Sent: Wednesday, April 09, 2003 3:16 PM <br />To: P. E. Byron G. Walker (E-mail) <br />Subject: FW: Analysis of February 16, 2003 Blast <br />r~ <br />blast analysis lime blast analysis <br />Crackers r._ mrtactetl 8 rev... <br />Crellin Scott <br />CONFIDENTIAL and PROPRIETARY information of Kennecott Energy Company (C) 2002. All rights <br />reserved. This work contains information that is confidential and proprietary to Kennecott <br />Energy Company. The senders contact information is also protected by the Kennecott Energy <br />Company Data Protection Policy, and should not be circulated. Removal of this notice, use, <br />transfer, republication, disclosure and/or copying of all or part of this message, or its <br />attachments, is strictly prohibited, except with the express, written permission of <br />Kennecott Energy Company. If you have received this e-mail message in error please return <br />it and contact Crellin Scott at 970-824-1532. <br />-----Original Message----- <br />From: Walker, Byron [mailto:byron.walker@state.co.us] <br />Sent: Wednesday, April 09, 2003 12:51 PM <br />To: Scott, Crellin (KEC) <br />Cc: Hernandez, Dan <br />Subject: Analysis of February 16, 2003 Blast <br />Dear Mr. Scott, please find attached a revised and corrected (April 9, 2003) <br />reconstruction of the subject blast. These revisions and correctons were <br />made based on information provided by Colowyo, including the two 100 <br />millisecond delays before the A row, and the change in powder density for <br />specific holes. Please review the reconstruction, and provide me with any <br />corrections. In summary, the reconsttuction indicates that there may have <br />been ninety-six 8-millisecond delays where more than the permitted <br />(scale-distance factor determination) amount of explosives were detonated. A <br />maximum of 7055 pounds within 8-milliseconds were apparently detonated near <br />794 (holes C-51, G-13, and D-42) and 838 (holes C-47, G-9, and D-38) <br />milliseconds into the blast. <br />«blast analysis time brackets revised and corrected.xls» «blast <br />analysis corrected & revised.xls» <br />
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