2012-09-06_REVISION - M2008070 ‎(18)‎

• Permit No: M2008070
• IBM Index Class Name: Revision
• Doc Date: 9/6/2012
• Doc Name: AM-01 APPENDIX H: CONSTRUCTION QUALITY ASSURANCE CONTROL PLAN
• From: WESTERN GRAVEL
• To: DRMS
• Type & Sequence: AM1
• Email Name: THM
• Media Type: D
• Archive: No

Western Gravel E &P Waste Disposal Facility October 2011
CQA/QCP Page 8 of 19
The test methods and frequencies to be followed during the installation of the liner materials are provided
in the following table.
HDPE LINER CONSTRUCTION CQA
GEOMEMBRANE PROPERTY
TEST METHOD
TEST FREQUENCY
DESTRUCTIVE SEAM TESTING
Shear Strength/Shear Elongation at
Break
ASTM D 6392
1 per 750 lineal feet of seam
Peal Adhesion
«
Peal Separation
«
Trial Seams
ASTM D 6392
At the beginning of each shift and
when ambient temperature > 104 °F
measured 6- inches above the
geomembrane surface per machine
and operator and with each change in
tem > 20 °F, and every 5 hours
NONDESTRUCTIVE SEAM
TESTING
Vacuum Box
ASTM D5641
Continuous over full length
Air Pressure
ASTM D5820
The responsibilities of the CQA Engineer include but are not limited to the following items.
Pre - construction:
• Prior to delivery of any geomembrane to the site, the installer will provide the CQA Engineer with
test results conducted by the geomembrane manufacturer (manufacturer), including published product
properties and specifications for the HDPE material including type of resin and origin and list of
ingredients for the HDPE formulation and the quality control plan that the manufacturer will be using
for the membrane being supplied
• All geomembrane will be installed with manufacturers recommendations
• All geomembrane must be inspected by the manufacturer prior to shipping to the site. Geomembrane
must be protected during shipping and after it arrives at the site from excessive heat or cold, puncture,
cutting or other damaging or deleterious conditions. Materials determined to be severely damaged
shall be rejected and removed from the site. Minor damage and defects shall be repaired by the
geomembrane installer (installer)
• Prior to installation, a preconstruction meeting must be held. At a minimum the client, CQA
Engineer and the installer must be present and the installer will provide the CQA Engineer with seam
layout drawings. A seam numbering system will be agreed upon by the installer and the CQA
NWCC INC.