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2016-07-11_REVISION - M1980244
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2016-07-11_REVISION - M1980244
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Entry Properties
Last modified
11/28/2020 10:52:39 PM
Creation date
7/12/2016 8:02:55 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Revision
Doc Date
7/11/2016
Doc Name
TR78 Corrected
From
Newmont
To
DRMS
Type & Sequence
TR78
Email Name
TC1
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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Newmont-Cripple Creek&Victor Gold Mine <br /> Technical Specification No.02776-O.DOCX ■ <br /> Squaw Gulch VLF <br /> Project No.475.0106.006 <br /> April 08,2016 <br /> a. Areas to be seamed shall be cleaned and free of moisture, <br /> debris, or any marking on the geomembrane. <br /> b. Use a flat board, a conveyor belt, or similar hard surface <br /> directly under the seam overlap to achieve proper support if <br /> required. <br /> C. Cut fish mouths or wrinkles at the seam overlap along the ridge <br /> of the wrinkle in order to achieve a flat overlap. The cut fish <br /> mouths or wrinkles shall be seamed and any portion where the <br /> overlap is inadequate shall then be patched with an oval or <br /> round patch of the same geomembrane extending a minimum <br /> of six (6) inches beyond the cut in all directions. <br /> d. Extend seaming to the outside edge of panels placed in the <br /> anchor trench. <br /> D. Do not field seam without the Seaming Supervisor present. <br /> E. Field Trial Seams <br /> 1. Trial seams shall be conducted at the beginning of each seaming period <br /> and within 30 minutes of commencement of seaming, at the <br /> CERTIFYING ENGINEER's discretion, and immediately following any <br /> work stoppage (i.e., lunch, weather conditions, etc.) of 30 minutes or <br /> more for each seaming apparatus used that day. Each Seamer shall <br /> make at least one trial seam each day. <br /> 2. Testing shall include visual observation of a trial seam on the <br /> geomembrane material. The INSTALLER will mark the trial seam with <br /> date, ambient air temperature, welding machine number, welding <br /> technician identification, and machine temperature and speed. For <br /> extrusion welding, the INSTALLER will include the nozzle and extrusion <br /> settings and welding technician identification. <br /> 3. All trial seams shall be made'at a location selected by the CERTIFYING <br /> ENGINEER in the area of the seaming and in contact with the subgrade. <br /> The trial seam samples shall be ten (10) feet long for fusion seaming <br /> and five (5) feet long for extrusion seaming, with the seam centered <br /> lengthwise. Specimens one (1) inch wide shall be cut from opposite <br /> ends of the test seam by CONTRACTOR. CONTRACTOR shall use a <br /> tensiometer to test these specimens for shear and peel. Both inside <br /> and outside tracks of fusion welds will be tested for peel. For both <br /> fusion and extrusion welds, two (2) coupons will be tested for peel and <br /> one (1) coupon for shear. The tensiometer shall have a grip separation <br /> of four (4) inches plus the width of the seam. The seam is to be <br /> centered between the clamps. The grip separation rates for LLDPE are <br /> Page 15 <br />
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