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and 3-#4 vertical support bars. <br /> All wall openings larger than 12"shall have 2-#5 at all sides extending 2'-0"beyond each edge of <br /> opening with 2 -#5 x 4'-0"diagonal bars at each corner of opening. <br /> Wall reinforcing shall be continuous through columns and pilasters. <br /> Provide full development and splice lengths per Concrete Reinforcing Steel Institute(CRSI)or ACI 318 <br /> requirements. <br /> All concrete exposed to weather,freeze-thaw conditions or de-icing chemicals shall contain 5%-7% <br /> entrained air. <br /> Slump shall be determined by ASTM C143 as follows: <br /> Footings 3"-4" <br /> Walls, columns 3"-5" <br /> Slabs on grade 3"-4" <br /> Structural slabs, beams 3"-4" <br /> Concrete shall not be laid when the temperature of the outside air is below 40 degrees Fahrenheit, unless <br /> approved methods are used during construction to prevent damage to the concrete. All materials used <br /> and surfaces built upon shall be free of snow and ice. <br /> Wood beams pocketed into concrete shall be provided with a 1/2"air space on top, end, and sides unless <br /> treated wood or steel plates are used. <br /> Concrete shall not bear permanently on wood members. <br /> SLABS ON GRADE <br /> All slabs on grade shall be reinforced with either WWF6x6-W1.4 x W1.4 in center of slab or <br /> polypropylene fiber reinforcement. <br /> Slabs on grade adjacent to foundation walls retaining earth shall be a minimum of 3 1/2"thick. <br /> Construction and/or control joints shall occur at a maximum of 10'-0" o.c. at exterior slabs on grade, and <br /> at a maximum of 16'-0"o.c. at interior slabs on grade. <br /> Construction and/or control joints shall be laid out in a rectangular pattern with long to short side ratio less <br /> than or equal to 1.5 and with no re-entrant corners. <br /> Control joints for slabs on grade shall be saw cut as soon as concrete can accept it without raveling <br /> Do not cut structural slabs or topping slabs. <br /> All control/construction joints shall be continuous and not staggered or offset. <br /> Control joints shall be cleaned and sealed for curing purposes as soon as possible. <br /> Verify floor finishes and control/construction joint locations with owner and architect. <br /> STRUCTURAL STEEL <br /> All structural steel shall be designed, fabricated, and erected according to the specifications of the <br /> American Institute of Steel Construction(A.I.S.C.)Latest Adoption. <br /> Structural steel supplier shall supply all cap plates, bearing assemblies, base plates, stiffeners, splices, <br /> and connections, and shall design same unless noted on drawings. <br /> All welding shall be done by the shielded arc process using E70 electrodes in accordance with the rules <br /> of the American Welding Society(A.W.S.)Structural Welding Code, Latest Adoption. All welders shall be <br /> certified by the rules of the American Welding Society. <br /> Tighten anchor bolts and grout column base plates before installing steel beams. <br /> Provide complete detailed shop drawings to the contractor for review and approval prior to fabrication. <br /> ADHESIVE/EXPANSION ANCHORS <br /> Adhesive and expansion anchors shall be provided and installed in strict accordance with the <br /> manufacturer's instructions. Adhesive anchoring system to be Simpson SET adhesive. Concrete screws <br /> shall be Simpson Titen. Alternate anchoring system may be submitted for approval. "Fast Set epoxy" is <br /> not permitted. Reference drawings for additional information and requirements. <br />