Laserfiche WebLink
All slabs on grade, unless noted, to be 4" thick reinforced with WWF 6x6-W1.4 x W1.4 <br /> in center of slab. <br /> Control joints shall be saw cut into strip pours as soon as concrete can accept it <br /> without raveling. <br /> Construction and/or control joints will occur at a maximum of 10'-0" o.c. at exterior <br /> slabs, maximum of 16'-0" o.c. at interior slabs and shall be cleaned and sealed for <br /> curing purposes as soon as possible. Verify floor finishes and control/construction joint <br /> locations with owner and architect. <br /> All control/construction joints shall be continuous and not staggered or offset. <br /> CONCRETE COVER ON REINFORCING <br /> Footings 3" clear, bottom and sides <br /> Slab on Grade Center reinforcing in slab <br /> REINFORCED CONCRETE BLOCK WALLS <br /> See plans for location and spacing of reinforcement in walls. <br /> Place at least (1) vertical reinforcing bar in wall corners. <br /> When one bar is in a single core, place in center, unless noted otherwise. <br /> When two bars are in a single core, place one near each face. <br /> Vertical steel shall be continuous with 30 dia. lap in column piers and 48 dia. lap at all <br /> other splices unless noted. <br /> Fill block core at vertical columns with 3,000 psi grout, rodded or vibrated in place. <br /> Wall construction shall not exceed heights of 4'-0" before placement of core grout <br /> unless cleanout holes are provided at the bottom of each grout lift, then a maximum <br /> height of 8'-0" before placement of core grout. <br /> Provide W 1.7 horizontal joint reinforcing placed every 2nd course. <br /> Provide corner bar with 2'-0" legs for each horizontal bar in all bond beams at corners <br /> and intersecting walls. <br /> Hollow unit concrete masonry shall be ASTM C90 grade N <br /> Mortar and grout shall be per ASTM C-270: Type M or S for Below grade and exterior <br /> masonry; Type N for all interior above grade masonry. <br /> Provide full mortar bedded face shells and webs around all grouted cells for full <br /> bearing and prevent leakage into adjacent cells. <br /> See architectural plans for location and detail of wall control joints. <br /> MASONRY LINTELS <br /> All openings in concrete block walis not specifically indicated to have other types of <br /> lintels shall have reinforced block lintels as follows: <br /> 1. 8" deep for spans up to 8'-0". <br /> 2. 16" deep spans from 8'-0" to 12'-0". <br /> 3. 4" and 6" wide units to be reinforced with 1-#5 bottom. <br /> 4. 8", 10" and 12" wide units to be reinforced with 2-#5 bottom. <br /> Where one lintel beam is continuous over two openings, with intermediate support, use <br /> 2-#5 top and 2-#5 bottom. <br /> Extend all lintels a minimum of 8" beyond opening and fill cores below with grout full <br /> height with 1-#5 vertical reinforcing bar unless shown otherwise. <br /> All openings in brick faced or brick walls not specifically indicated to have other types <br /> of lintels shall have: L 3 1/2 x 3 1/2 x 5/16 for each nominal 4" of masonry to a <br /> maximum span of 5'-0". L 6 x 3 1/2 x 3/8 LLV for each nominal 4" of masonry to a <br /> maximum span of 8'-0". Bear 8" each end unless noted otherwise. <br /> Place and install masonry brick wall ties as described in chapter 21 of the IBC for <br />