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time, at the discretion of MANAGER, based upon changes is material characterisfics, <br />field conditions, and/or compaction equipment. <br />L_J <br />4. Provisions shall be made by CONTRACTOR for removal of oversize materials from <br />fills, at no additional cost to CC&V. <br />5. The MANAGER will minimize the amount of traffic over the Underdrain Fill. <br />E. Leak Detection Fill <br />1. Leak Detection FiIl shall be placed in the Leak Detection Trenches as shown on the <br />DRAWINGS. <br />2. CONTRACTOR shall condition Leak Detection Fill to allow a surface that does not <br />cause rutting or other deleterious effects. <br />F. Low Volume Solution Collection Fill <br />1. Low Volume Solution Collection Fill shall be placed over the geomembrane in the <br />locations shown on the DRAWINGS. <br />2. CONTRACTOR shall condition Low Volume Solution Collecfion Fill to allow a <br />surface that does not cause rutting or other deleterious effects. <br />• <br />3. CONTRACTOR shall place Low Volume Solution Collection Fill azoand the Low <br />Volume Solufion Collection Vertical Riser Pipes in maximum 12-inch loose lifts and <br />compact using a hand operated vibratory plate compactor to the satisfaction of the <br />MANAGER and CERTIFYING ENGINEER. Low Volume Solution Collection Flll <br />shall be worked under the Low V olume Solution Collection Rise pipe haunches by hand <br />to provide uniform support of the pipe. <br />4. Prior to placing the Low Volume Solution Collection Fill, CONTRACTOR shall <br />verify by visual inspection that the underlying geosynthetics aze free of holes, tears, <br />wrinkles, or foreign objects. MANAGER and CERTIFYING ENGINEER will <br />inspect the geosynthetic for wrinkles prior to placement of Low Volume Solution <br />Collection Fill. As instructed by MANAGER, CONTRACTOR shall "work out" <br />wrinkles to the satisfaction of MANAGER and CERTIFYING ENGINEER prior to <br />placement of the Low Volume Solution Collection Fill. In all cases, wrinkles shall not <br />be of a size that they could fold back on themselves. Wrinkles greater than one foot <br />shall be removed and repaired by the INSTALLER. <br />5. CONTRACTOR shall place Low Volume Solution Collection Fill in a single 36-inch <br />loose lift. The tracked equipment shall operate only over previously-placed Low <br />Volume Solution Collection Fill. CONTRACTOR shall not operate equipment <br />directly on geosynthe[ics. Only a dozer with a ground pressure not exceeding 14.7 psi <br />can be used to place Low Volume Solution Collection Fill. Equipment used for <br />placement will not be allowed to pivot on one track (i.e., no abrupt or sharp toms). <br />There shall be no downhill placement on slopes steeper than 4H:1 V. Material can be <br />placed along contours if buttressed from below. <br /> <br />6. Rubber tired construction equipment shall not be allowed to travel over the <br />geomembrane or on top of Solution Collection piping unless a thiclmess of at least <br />45 inches of Low Volume Solution Collection Fill has been placed over the <br />geomembrane and on top of Solution Collection piping. The CONTRACTOR will be <br />required to demonsnate to the MANAGER, DESIGN ENGINEER and <br />CERTIFYING ENGINEER that the equipment and procedures used aze no[ <br />Section 02200 Page 10 of 17 <br />Earthworks Golder Associates <br />I a6106Saa3-2t]NR'C CERltFtCA'CION RFPORPPHASE NC OSACERMPPENDIC@SNPPENDIX E t <br />March 22, 2000 <br />Revision 7 <br />