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' 40-27 BUILDING <br />BELOW -GRADE WATERPROOFING <br />BRPH ARCHITECTS -ENGINEERS, INC. <br />1. Place the membrane HDPE film side to the substrate with the clear plastic <br />release liner facing towards the concrete pour. End laps should be staggered to <br />avoid a build-up of layers. <br />2. Leave the plastic release liner in position until overlap procedure is completed. <br />3. Accurately position succeeding sheets to overlap the previous sheet 3 in. (75 <br />mm) along the marked selvedge. Ensure the underside of the succeeding sheet <br />is clean, dry and free from contamination before attempting to overlap. <br />4. Peel back the plastic release liner from between the overlaps as the two layers <br />are bonded together. Ensure a continuous bond is achieved without creases and <br />roll firmly with a heavy roller. <br />5. Completely remove the plastic liner to expose the protective coating. Any initial <br />tack will quickly disappear. <br />B. When ambient and substrate temperatures range between 25 and 55 deg F, install <br />detail tape designed for low -temperature application at all laps and detailing. Apply <br />detail tape to clean dry surfaces. During cold or damp conditions, warm the membrane <br />selvedge and detail tape using a hot air gun to remove moisture and improve initial <br />adhesion. <br />' C. Corners: Seal lapped terminations and cut edges of sheet waterproofing at inside and <br />outside corners with detail tape. <br />tD. <br />Seal penetrations through sheet waterproofing to provide watertight seal with <br />prefabricated plastic covers, or detail tape patches or wraps and a liquid -membrane <br />troweling as recommended by membrane manufacturer. <br />' <br />E. <br />Construction Joints: Apply 8-inch joint tape to the surface of the membrane and <br />centered along the line of all horizontal and vertical concrete pour joints. <br />' <br />F. <br />Install sheet waterproofing and auxiliary materials to produce a continuous watertight <br />tie into adjacent waterproofing. <br />' <br />G. <br />Repair tears, voids, and lapped seams in waterproofing not complying with <br />requirements. Tape perimeter of damaged or nonconforming area extending 6 inches <br />' <br />beyond repaired areas in all directions. Apply a patch of sheet waterproofing and firmly <br />secure with detail tape. <br />H. <br />Correct deficiencies in or remove waterproofing that does not comply with <br />requirements; repair substrates, reapply waterproofing, and repair sheet flashings. <br />I. <br />Protect membrane in accordance with manufacturer's recommendations until <br />' <br />placement of concrete. Inspect for damage just prior to placement of concrete and <br />make repairs in accordance with manufacturer's recommendations. <br />C06922.001.00 <br />071410-9 <br />05-22-14 <br />