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40-27 BUILDING BELOW -GRADE WATERPROOFING ' <br />BRPH ARCHITECTS -ENGINEERS, INC. <br />1. Install sheet strips and center over treated construction and contraction joints and 1 <br />cracks exceeding a width of 1/16 inch. <br />G. Corners: Prepare, prime, and treat inside and outside corners according to , <br />ASTM D 6135. <br />1. Install 12 inch membrane strips centered over vertical inside corners. Install 3/4- ' <br />inch fillets of liquid membrane on horizontal inside corners and as follows: <br />a. At footing -to -wall intersections, extend liquid membrane 6 inches in each <br />direction from corner or install 12 inch membrane strip centered over <br />corner. <br />H. Prepare, treat, and seal vertical and horizontal surfaces at terminations and <br />penetrations through waterproofing and at drains and protrusions according to <br />ASTM D 6135. <br />3.3 MODIFIED BITUMINOUS SHEET WATERPROOFING APPLICATION <br />A. Install modified bituminous sheets to vertical surfaces according to waterproofing <br />manufacturer's written instructions and according to recommendations in <br />ASTM D 6135. <br />B. Apply primer to substrates at required rate and allow to dry. Limit priming to areas that <br />will be covered by sheet waterproofing in same day. Reprime areas exposed for more <br />than 24 hours. <br />C. Apply continuous sheets over sheet strips bridging substrate cracks, construction, and <br />contraction joints. <br />D. Seal exposed edges of sheets at terminations not concealed by metal counterflashings <br />or ending in reglets with mastic. <br />E. Install sheet waterproofing and auxiliary materials to tie into adjacent waterproofing. <br />F. Repair tears, voids, and lapped seams in waterproofing not complying with <br />requirements. Slit and flatten fishmouths and blisters. Patch with sheet waterproofing <br />extending 6 inches beyond repaired areas in all directions. <br />G. Install protection course with butted joints over waterproofing membrane immediately. <br />H. Correct deficiencies in or remove sheet waterproofing that does not comply with <br />requirements; repair substrates, reapply waterproofing, and repair sheet flashings. <br />3.4 ADHESIVE -COATED HDPE SHEET WATERPROOFING APPLICATION <br />A. Install adhesive -coated HDPE sheets to horizontal surfaces according to <br />manufacturer's written instructions. <br />C06922.001.00 07 14 10 - 8 <br />05-22-14 ' <br />