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<br />i 7.4.2.3 Placement <br />Filter fabric shall be unrolled and loosely laid <br />upon prepared surfaces, as shown on the drawings, or on <br />any other surfaces designated by the Engineer. The fabric <br />shall not be stretched. Ample material shall be left <br />available so that it can readily conform to <br />irregularities in the receiving surface. <br /> Anchoring of filter fabric shall be as shown on the <br /> draings or by weighting with fill materials in accordance <br /> with manufacturer's recommendations and as approved by <br /> the Engineer. No spikes or pins shall be used to secure <br />' filter fabric in any area underlain by synth?tic liner <br /> material. To form splices and/or joints, fabric: shall be <br /> overlapped a minimum of 12 inches, unless otherwise noted <br /> on the drawings, and shall be secured with wire, staples, <br /> or other means acceptable to the Engineer. <br />' <br /> Filter fabric placement shall be inspected and <br /> approved by the Engineer before being covered with fill <br /> or synthetic liner. Any rips, tears, or unsuitable <br /> materials, as determined by the Engineer, shall be mended <br /> by the Contractor in a manner acceptable to the Engineer, <br />' or shall be replaced by the Contractor. <br /> 7.4.2.4 Protection from Ultraviolet Light <br /> <br /> The Con*ractor shall store and protect filter fabric <br /> from ultraviolet light at all times. During con<_truction, <br /> the Contractor will only be permitted to place filter <br /> fabric that can be covered by drainage gravels, sands, or <br /> other specified soils within two working day<, unless <br /> otherwise approved by the Engineer. <br /> <br />N-28 <br /> <br />