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ENFORCE27094
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ENFORCE27094
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Entry Properties
Last modified
8/24/2016 7:34:49 PM
Creation date
11/21/2007 11:31:01 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
Enforcement
Doc Date
3/31/1999
Doc Name
SHOT 412
From
JH KING
To
R GUBKA
Violation No.
CV1999002
Media Type
D
Archive
No
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III Illlllllllllllll <br />Memo <br />To: R Gubka <br />From: J H Kingr/~/~~i1-•~- <br />Subject: Shot # 412 G~ _ <br />Date: Mazch 31.1999 <br />CC: L Wade <br />On Tuesday 30 March 1999 Dyno-Burt arrived on site at approximately 06:00 and began loading <br />Shot # 412. There was one wet hole that required slurry and several "peanut" holes bttt notltirig <br />ou[ of the ordinary. Burt completed loading the holes at approximately 09:00. It +vas decided <br />that we would wait until 12:00 to fire the shot so as to not shut the operation down. <br />Be[weeen 09:30 and 09:45 a large portion of high-wall fell from the southeastern corner of the <br />shot area. Upon investigation it was determined that only 24 to 36 inches of burden was left <br />between the loaded SE hole and this face. <br />Daring the norntai pre-blast meeting this hole was discussed at length. ]t was decided that the <br />safest thing to do would be to shoot the shot as normal, being careful to guard 5'h Street and the <br />south end of the pit. <br />As the shot was initiated there was a "pop" and flyrock was seen movitr_ in a southeasterly <br />direction. After the all-clear signal was given and we were able to move back into the area ~~-c <br />observed much flyrock on the south haul road as well as on 5'h street. Llpon closer inspection we <br />discovered that the mine perimeter fence as well as the sewage lagoon fence had been broken in <br />several places. <br />It was also noted that a shed on the northeast corner of the lagoons had received severe damage. <br />and equipment inside had been damaged and/or destroyed. <br />Reviewing the events leading up to the blast leads to the conclusion that this accident was <br />unavoidable. 'there was no way to adequately desensitize the hole, and leaving the hole unshul <br />would have jeapndized the safeq~ of the equipment operators -especially the dozer hands. <br />
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