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REP33107
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REP33107
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Entry Properties
Last modified
8/25/2016 12:09:28 AM
Creation date
11/27/2007 6:25:19 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977342
IBM Index Class Name
Report
Doc Date
10/15/2001
Doc Name
CRUSHER CLOSURE CAP PLANS & SPECIFICATIONS RN 2 HENDERSON MILL PN M-77-342
From
CLIMAX MOLYBDENUM CO
To
DMG
Media Type
D
Archive
No
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© CLIMAX MOLYBDENUM COMPAN`r <br />4 subsidiary pl Phelps nodge Corporation <br />October 1 I, 2001 <br />Mr. Allen Sorenson <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />iii iiiiiiiiuiii iii <br />999 <br />RECEIVED <br />ocr t 5 toot <br />HENDERSON OPERATIONS <br />19302 County Road 3 <br />F'arshall, Colorado 6D469 <br />1303) 569-3221 <br />Fax 1970) 7250038 <br />Division of Minerals and Geology <br />RE: Crusher Closure Cap Plans and Specifications-Revision #2, Henderson Mill, Perniit <br />No. M-77-342 <br />Dear Allen: <br />This letter is being provided to the Division of Minerals and Geology (Division) as required <br />per our earlier discussions regarding some further changes to the final closure and <br />reclamation plans (previously submitted to the Division) for [he abandoned crusher. <br />Final closure of the crusher continues as plalmed. Demolition is continuing and is on <br />schedule to be completed on or around October 20'h. Backfilling of the larger crusher <br />openings has been completed. Changes to the previously submitted and approvt:d closure <br />plans have occurred with the work scheduled to be completed next year with the slab <br />reinforcing. Portions of the slab east of the main crusher opening (see attached drawings) <br />were scheduled to be reinforced. However, Henderson engineer's discovered this area <br />could not be reinforced with one continuous pour as shown on the drawings due to some <br />large concrete stem walls that exist in that area. Upon further review by our structural <br />engineer, it was discovered that this portion of [he slab already meets our requirement of <br />250 psf. Therefore, reinforcing of the slab in this area will no longer take place. Please see <br />[he attached, PE stamped letter that concurs with this decision. <br />Please call if you have any questions or aze in need of any further information. 1 can be <br />reached at (303) 569-3221 ext. 2214. <br />Very truly yours, <br />Gam,-.'/'tiL~"L/ <br />Erich Bower <br />Environmental Engineer <br />Enclosures (2) <br />Cc: Mike Ley -Climax (letter only) <br />Anne Beierle -Climax (letter only) <br />Dave Brence -Climax (letter only) <br />Rich Wagner-Climax (letter only) <br />
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