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r <br /> 1 Institute (CRSI), Chapter 3. <br /> 2 <br /> 3 Reinforcement supported from the ground shall rest on 3 inch high precast concrete blocks <br /> 4 not less than 4 inches square, and having a compressive strength equal to the specified <br /> 5 compressive strength of the concrete being placed. The precast blocks shall have been <br /> 6 cured as specified for concrete and shall contain soft steel wires imbedded therein for <br /> 7 fastening to the reinforcing. <br /> a <br /> 9 D. Details of concrete reinforcement not shown on drawings shall be in accordance with CRSI <br /> ' o Manual of Standard Practice. <br /> 11 <br /> 12 2.03 PATCHING GROUT <br /> 13 <br /> 14 Neat portland cement, water, and fine sand passing a No. 30 mesh sieve. <br /> 15 <br /> 16 2.04 EXPANSION JOINT FILLERS <br /> 18 <br /> 1e Pre-molded type, ASTM D1751, 112 inch by depth of slab minus 1/2 inch. <br /> 19 <br /> 20 2.05 WATERSTOPS <br /> 29 <br /> 22 A. Bentonite/butyl type: <br /> 23 <br /> 24 Specially formulated compound of bentonite/butyl or bentonite/HDPE that swell upon <br /> 25 contact with water. Acceptable products are: <br /> 26 <br /> 27 1. "Waterstop-RX" flexible strip of compounded bentonite and butyl material for use in <br /> 28 cold joints (not for expansion joints), as manufactured by American Coloid Company. <br /> 29 Waterstop adhesive shall be a black, non-flammable synthetic rubber/resin based <br /> 30 solvent adhesive, used to secure "Waterstop-RX" on both horizontal and vertical <br /> 31 installations. <br /> 32 <br /> 33 2. "Parastop" flexible strip of 1-1/2 inch wide KDPE faced on both sides with modified <br /> 34 bentonite as manufactured by Paramount Technical Products, Inc. Case hardened, <br /> 35 washered nails shall be used to secure the strip to the concrete. <br /> 36 <br /> 37 B. Neoprene or PVC type: <br /> 38 <br /> 39 Waterstops shall be neoprene or PVC conforming to State Specifications paragraph 51-1.14. <br /> 40 Size shall be 4 inches by 3/16 inches with hollow bulb in the center unless shown otherwise <br /> 41 on the Drawings. Waterstops shall be Burke Concrete Accessories, San Mateo, CA, <br /> 42 No.(411) 51-043, Burke No. (411) 51-062 (split web); Vulcan Metal Products, Inc., <br /> 43 Birmingham, AL, No. 8013, Vulcan No. 8036 (split web), or equal. <br /> 44 <br /> 45 2.06 FLOOR HARDENER <br /> 46 <br /> 47 Pena-Lith by W.R. Meadows; Lapidolith by Sonneborn Building Products, Division of <br /> 48 Contech, Inc., Minneapolis, Minnesota, or equal. Hardener shall be compatible with curing <br /> 49 method used. <br /> 50 <br /> 51 <br /> CONCRETE <br /> 042894 031003 <br />