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2013-05-16_REVISION - M1990057
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2013-05-16_REVISION - M1990057
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Last modified
6/16/2021 6:19:07 PM
Creation date
5/21/2013 7:36:08 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1990057
IBM Index Class Name
Revision
Doc Date
5/16/2013
Doc Name
TR Submittal
From
The Union Milling Company
To
DRMS
Type & Sequence
TR4
Media Type
D
Archive
No
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Following installation of the subdraan. compaction to 951/( standard <br />proctor. +/- 217 optimum moisture, and grading of sub base on interior <br />slope +/- I" on 50' arid, then the geosynthetic clay liner is installed. <br />• If the geosynthetic clay liner is prematurely hydrated during installation. it may remain in <br />place if the following conditions are met. <br />• Geotextiles halv e not been separated, torn or othcr�� i,,e damn -,ed. Formatted <br />• No evidence needlepunchmg bet�Ncen the geotextiles has been compromised <br />• Geotitinthctic clay line does not Icave deep indentions v�hen ��alkcd upon <br />•o Overlapped and bentonite- enhanced scams are intact , Formatted: Font: 11 pt <br />Leak Detection and Sump Construction <br />• Performed by contractor, monitored by Mill Superintendent and /or Owner's Engineer. <br />• Layout @Rd ^ ade deteEt ^^ layeF 5HbdF@iR Formatted: Font: 11 pt <br />• Layout and grade detection layer collection sump system. <br />50, grid. Formatted: Font: 11 pt <br />• Liner material contractor will install and test the leak detection drainage net system in <br />accordance with manufacture's recommendation~ Doi! eh e,a h base fof: Formatted: Font: 11 pt <br />a <br />Impoundment Liner Installation <br />• Performed by contractor, monitored by Mill Superintendent and/or Owner's Engineer. <br />• Layout and grade anchor trench for geomembrane liner. <br />• Liner material contractor will inspect the substrate and anchor trenching prior to <br />commencing installation. <br />• Panel installation will occur in reasonably clam weather conditions with ambient <br />temperatures in excess of 40 degrees F and no precipitation. <br />• Sample seams will be made on a daily basis to establish a proper film bond tear. <br />• Seaming crews will overlap the material + / -6in and construct a minimum tin wide fully <br />bonded seam without wrinkles or voids. <br />• If wrinkles occur, the seam will be cut and patched accordingly, a minimum of 4in <br />beyond the problem seam in all directions. <br />• Field seams will be tested by the air -lance method per ASTM Method D4437. Where <br />visual or audible signs occur, the area will be repaired— <br />Formatted: Font: 10 pt, Bold <br />Formatted: Right <br />Formatted: Font: 10 pt, Bold <br />i <br />N11990 -057 7,A412N1aN 14,2013, <br />
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