During the course of the work, the Installation Contractor shall maintain as-
built drawings showing, but not limited to, panel layout and identification,
seam type and identification, repair locations and identifications, and
destructive test sample locations and identification. The Installation
Contractor shall submit working copies of the as-built drawings to the CQA
Consultant upon request, and shall submit a final copy to ENGINEER prior to
moving off the site.
1.4 QUALIFICATIONS OF INSTALLATION CONTRACTOR AND MANUFACTURER
A.
To perform the work of this Specification, the Installation Contractor shall have
demonstrated by previous experience its ability to do the Work. The required
previous experience shall consist of the following:
1. The Installation Contractor shall be approved and/or licensed to install
the products by the GGomembrane Manufacturer.
2. The Installation Contractor shall have _ successfully — installed
Geomembrane for not less than ten projects, or GGomembranes totaling a
minimum of 2,000,000 ft? similar in type to that specified herein, now
giving satisfactory service in the United States.
3. The Installation Contractor shall provide documentation for at least three
similar Gcomembrane projects of at least 200,000 ft? in continuous area.
The Geomembrane Manufacturer shall have manufactured and fabricated not
less than 10,000,000 ft? of GGomembrane similar to that specified herein.
The Installation Contractor shall provide the services of a competent field
technical representative throughout the installation of the Geomembrane and
all appurtenant structures and soils contacting the Geomembrane. The field
technical representative shall remain on-site and be responsible throughout the
installation of the Gcomembrane for Gcomembrane layout, seaming, patching,
testing, repairs, and other activities of the Installation Contractor. The field
technical representative shall have personally supervised and directed the
installation of a minimum of 2,000,000 ft? of GGomembrane.
All personnel performing seaming operations shall be qualified by experience
and by successfully passing seaming tests. At least one seamer shall have
experience seaming a minimum of 1,000,000 ft? of Gomembrane with a similar
method. This “Master Seamer” will provide direct supervision over less
experienced seamers; no seaming will take place without a Master Seamer
present.
All field seams shall be inspected over their full length in accordance with these
Specifications by the Installation Contractor in the presence of the CQA
Consultant or the CQA Consultant’s representative.
File No. 3066.09.00 Geomembrane 02550 - 3 of 14 December 2017
