1.01 PRODUCT QUALITY ASSURANCE
A. The flexible PVC membranes shall have been manufactured and marketed successfully for at least ten (10) years, including a total square footage installed of not less than twenty million (20,000,000) square feet on not less than seventy-five (75) construction projects.
B. The installer of the waterproofing membrane system must have five (5) years experience in the installation of flexible membranes in underground tunnel waterproofing applications.
Submit evidence that the waterproofing installer has been involved in three (3) successful waterproofing projects over the last five (5) years. Include the owner's name, location of project, square feet of product installed and completion date. Non-compliance will make the bid invalid.
C. The waterproofing membrane and geotextile manufacturers must supply to the engineer a certificate certifying that the materials meet the specified product requirements.
D. The waterproofing membrane manufacturer and installer must be approved by the engineer to product shipment or installation.