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HYDRO24924
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HYDRO24924
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Last modified
8/24/2016 8:44:50 PM
Creation date
11/20/2007 5:08:58 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Hydrology
Doc Date
7/30/2007
Doc Name
W24 Series Well Abandonment Procedure
From
Seneca Coal Company
To
DRMS
Permit Index Doc Type
Correspondence
Media Type
D
Archive
No
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t t -. <br />S~A~~ l~F 1.®~l~~A~~ <br />60ARD OF EXAMINERS OF WA'rRli WF,LL CONSTRUC'r10N AND PUMP INSTALLATION CONTRACTORS <br />Division of Water Resources <br />1313 Sherman Streel, Room 818 <br />Denver, CO 80203 <br />Phone (303)366-3581 <br />FAX (303) 866-3589 <br />ht[p://www. water. s tate.c o.u s/boe <br />Dennis Jones <br />Seneca Coal Company <br />P.O. Box 670 <br />Hayden, CO 81639 <br />December 12, 2006 <br />Re: Monitoring Well Abandonment Variance <br />Dear Mr. Jones: <br />'pF Cpl <br />0 <br />9Q' <br />few Pte) <br />D ~, <br />t <br />« k <br />~'! 18'15 <br />Bil I Owens <br />Governor <br />Russell George <br />Executive Director, DNR <br />Hal D. Simpson, P.E. <br />Secretary <br />At its meeting on December 5, 2006 the Board of Examiners of Water Well <br />Construction and Pump Installation Contractors considered your request for variance <br />from the abandonment standazds of the Water Well Construction Rules and the additional <br />information provided by you and Doug Stephenson, Well Inspector For the Division of <br />Water Resources. The Board concluded that the monitoring wells could be abandoned <br />pursuant to the following procedure: <br />• Pressure grout the steel casing in each monitoring well from as deep a de}?th as <br />can be accessed back to the surface. <br />• Cut the PVC and steel casings off at two to five feet below the surface. <br />• Weld a steel plate to the top of each steel casing. <br />• Backfill the excavations with native material. <br />Please submit a standard Well Abandonment Report for each abandoned monitoring well <br />wiiiiin 60 days after abandonment has been completed. "rou can contact me at 303-866- <br />3581, extension 8290, if you have any questions. <br />Sincerely, <br />~.~ n~ ~/~ <br />Dave McElhaney, P.G. <br />Chief, Geotechnical Services Branch <br />Cc: Jack Byers, Deputy State Engineer <br />Nolan Lloyd, Chief Well Inspector <br />Mike Boulay, CDRMS <br />TIMOTHY L DECKER, Montrose; JOSEPH T. BENDER, Arvada; JEFFREY K. CANFIELD, Fort Morgan, GREG NAUGLE, Denver <br />
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