_REVISION - M1980244 (30) - Laserfiche WebLink

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• a. Do not seam if ambient temperatwe is below 14° F or above 100° F. b. Do not seam during precipitation, in the presence of excessive moisture (e.g. fog, dew), in an area of ponded water, in the presence of excessive winds. c. If the ambient air temperature is between 35° F and 14° F for the entire shift, Cold Weather Seaming provisions will govern. 1. The INSTALLER will be required to perform a minimum of four trial seams during the planned work shift, at approximately the same time interval throughout the scheduled work day. 2. If the Soil Liner Fill is considered frozen as outlined in Item 3.06 of Section 2200, the INSTALLER must place seaming boards or slip sheets when seaming. Seaming boards or slip sheets shall be removed by INSTALLER, J PART 2: PRODUCTS 2.01 MATERIALS: A. The geomembrane shall be a polyethylene. The geomembrane shall be manufactured of new, fvst-quality resin produced in the United States or Canada and shall be manufactured specifically for this type ofapplication. B. The geomembrane sheet shall be comprised of a minimum ninety-six (96) percent pure polyethylene. The remaining portion shalt be made up of materials necessary for the performance of the liner (such as cazbon black, anti-oxidants, etc J The geomembrane rolls shall meet the following SPECIFICATIONS: The surface of the geomembrane shall not have striations, roughness (except texture as specified), pinholes, or bubbles and shall be free of holes, blisters, undispersed raw materials, or any contamination by foreign matter. MANAGER and CERTIFYING ENGINEER may request additional testing in order to support such acceptance. All such testing shall be done at the sole expense of the CONTRACTOR. 2. The geomembrane rolls shall have the following properties: r ~ ~J Section 02776 Page 7 of 20 Geomembrane Golder Associates D ~PH.45EIV PSSA CERPAPPERDICIESWPPENDIX E TECFLNICAL SPECa1CAT10YS993¢09902]]61R8 DOC October 25, 2000 Revision 8