2011-08-30_REVISION - M1977215 ‎(2)‎

• Permit No: M1977215
• IBM Index Class Name: REVISION
• Doc Date: 8/30/2011
• Doc Name: Tailings Pond 2 Evaporation Pond Technical Specifications
• From: Rio Grande Silver
• To: DRMS
• Type & Sequence: TR17
• Email Name: RCO
• Email Name: SSS
• Email Name: DMC
• Media Type: D
• Archive: No

The types of geosynthetics used in the construction include HDPE liner
where used and geotextile. These geosynthetics are defined in the
project Specifications. Prior to and during construction, these
geosynthetics shall be sampled and tested to determine if they meet
project Specifications. All tests shall be performed in a geosynthetics
laboratory approved by the Project Manager.
B. Prior to geosynthetic installation, the CQA Monitor shall review the
Installer's QC submittals to evaluate or confirm that these materials meet
project requirements. The CQA Monitor shall review the QC submittals
that are outlined in Section 01330: Submittals of the Specifications.
C. The CQA Monitor shall monitor and test all geosynthetic components of
the construction to verify that the construction is in compliance with the
project Specifications. The CQA Monitor shall identify inadequate
construction methodologies or materials which may adversely impact the
performance of the facility being constructed and existing structures.
Visual observations throughout the construction process shall be made to
ensure that the materials are placed to the lines and grades as shown on
the Drawings.
The CQA Monitor shall review the following submittals by the Installer
during the project:
• Verification that a qualified land surveyor has verified all
lines and grades; and
• Subgrade surface acceptance certificates for each area to
be covered by the lining system, signed by the Installer.
The CQA Monitor shall:
. Rio Grande Silver Tailings Evaporation Pond
August 2011
• Inspect all geosynthetic materials delivered to site. The
CQA Monitor shall document any damage and notify the
Project Manager;
• Obtain geosynthetic packaging identification slips for
verification and generation of an on -site materials
inventory;
• Observe subgrade conditions prior to geosynthetics
installation and verify that any deficiencies, as defined in
Section 02200 of the Specifications, are corrected;
Observe permanent anchoring of geosynthetics to verify
that design and project Specifications are met;
Observe that required overlap distances are met;
Monitor and record ambient air temperatures;
01450 -10 Quality Assurance /Quality Control
01450