contamination by foreign matter.
5. The Geomembrane delivered to the site shall be accompanied by a QC
Certificate for each roll (roll Certificates must be provided to the CQA
Consultant prior to shipment to the job site), and shall be identified with a
distinctive code that will serve as the identification number on the as-built
drawing.
7. The texturing of the GGomembrane shall be regular and uniform. Rolls of
Geomembrane containing irregular texturing (bald areas or clumps of
texturing material) shall be rejected by the CQA Consultant and must be
removed from the site at no cost to OWNER.
PART 3 - EXECUTION
3.1 DELIVERY, STORAGE, AND HANDLING
A.
Transportation to the site and unloading and storage at the site shall be the
responsibility of the Installation Contractor. Damaged Geomembrane or
Geomembrane not meeting these Specifications shall be immediately removed
from the site and replaced, at no cost to OWNER. Once delivered, the
Geomembrane rolls shall be stored on a prepared surface approved by the CQA
Consultant, no more than three rolls high, and protected from dirt, grease, water,
abrasions, excessive heat or cold, or other damage.
Geomembrane rolls shall be handled with appropriate equipment to prevent
damaging or stressing of the GGomembrane. Loading and unloading shall be
performed using equipment such as spreader bars and cloth chokers.
Deployment shall be performed using equipment such as roll bars and vise-grip
pliers designed to handle sheet materials. Any damaged Gcomembrane shall be
repaired or replaced immediately, at the discretion of the CQA Consultant, and
at no cost to OWNER.
Geomembrane shall not be stockpiled or stored within the limits of the area to
be lined.
3.2. WEATHER CONDITIONS
A.
Geomembrane panels shall not be installed, seamed, or repaired during periods
of precipitation, excessively high winds, or in areas of ponded water or excessive
moisture. Geomembrane panels may be installed and seamed only if the
ambient air temperature, measured 6-inches above the Geomembrane, is less
than 110 degrees (°) Fahrenheit (F). Installation and seaming of GGomembrane
panels in ambient temperatures below 40°F shall only be performed with
approval of ENGINEER, and only if trial seams demonstrate the ability to meet
seaming specifications. The Installation Contractor shall submit for
ENGINEER’s review and approval a plan for installation and seaming
Geomembrane in temperatures between 0°F and 32°F.
File No. 3066.21 Geomembrane 02550 - 5 of 10 January 2021
