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Rule Title: TEMPORARY CAPPING
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Department: NATURAL RESOURCES AND CONSERVATION, DEPARTMENT OF
Chapter: BOARD OF WATER WELL CONTRACTORS
Subchapter: Construction Standards
 
Latest version of the adopted rule presented in Administrative Rules of Montana (ARM):

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36.21.661    TEMPORARY CAPPING

(1) At all times during the progress of the work, the contractor shall protect the well in such a manner as to effectively prevent either tampering with the well or the entrance of foreign matter into it. Upon its completion, he shall provide and set a substantial screwed, flanged or welded cap.

(2) Any well to be temporarily removed from service, temporarily abandoned due to a recess in construction, or any well to be temporarily abandoned before commencing service, shall be capped with a watertight seal, watertight welded steel cap, or threaded cap. In all cases, caps shall be of steel or cast iron of at least 3/16 of an inch in thickness.

(3) Temporarily abandoned wells shall be grouted and sealed to comply with ARM 36.21.654 before the drill rig is removed from the site.

(4) Temporarily abandoned wells shall have an access port as per ARM 36.21.665.

History: 37-43-202(3), MCA; IMP, 37-43-202(3), MCA; NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 1991 MAR p. 913, Eff. 6/14/91; AMD, 1997 MAR p. 65, Eff. 1/17/97.


 

 
MAR Notices Effective From Effective To History Notes
1/17/1997 Current History: 37-43-202(3), MCA; IMP, 37-43-202(3), MCA; NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 1991 MAR p. 913, Eff. 6/14/91; AMD, 1997 MAR p. 65, Eff. 1/17/97.
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