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2004-03-24_REVISION - M1977493
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2004-03-24_REVISION - M1977493
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Entry Properties
Last modified
6/16/2021 6:27:12 PM
Creation date
11/21/2007 12:58:17 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977493
IBM Index Class Name
Revision
Doc Date
3/24/2004
Doc Name
Final Stamped Rpt for the new Storke Water Return System
From
Climax Molybdenum Company
To
DMG
Type & Sequence
TR7
Media Type
D
Archive
No
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blind-flanged branches rising to ground level, allowing access for cleaning equipment <br />should it become necessary to physically remove scale build-up from the inside of the <br />pipeline. <br />A new Discharge Vault was installed at the end of the pipeline where it connects <br />to the existing mine water discharge line. A shut-off valve is located in this vault, <br />allowing the 24-inch HDPE pipeline to be hydrostatically tested without the need for <br />installing blind flanges. An existing sewer line from the Mill building to the old discharge <br />box was abandoned, and a new section of 6-inch HDPE pipe installed to relocate the <br />sewer discharge to the new Discharge Vault. <br />A stainless steel air chamber is installed in the PT to control any surge pressures <br />•, that might occur in the Storke pipeline. This chamber is kept pressurized at the correct <br />pressure by an air compressor also located in the PT. Level controls monitor the water <br />level in the chamber and adds or releases air to maintain the correct water level. <br />' Other important features of the Storke pipeline are isolation valves at the PT and <br />' the Discharge Vault. These valves allow the 24-inch HDPE pipeline to be isolated from <br />the rest of the system so that it can be hydrostatically tested on an annual basis, or as <br />' otherwise required. This testing verifies that the pipeline is leak-tight, and that no <br />untreated water is escaping into the environment. <br />' Other miscellaneous items include drain culverts at appropriate locations, and <br />general area grading to direct surface runoff to the desired locations. <br />2 <br />
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