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E." <br />s <br />C, Conveying: concrete shall be handled from the mixer to <br />the place of final deposit as rapidly as practicable by <br />methods which will prevent segregation or loss of <br />ingredients and in a manner which will assure that the <br />required quality of the concrete is maintained. All <br />' other requirements of AC{ -301 shall be followed. <br />D. Gcaositing. Concrete shall be deposited continuously or <br />in layers of such thickness that no concrete will be <br />deposited on concrete which is hardened sufficiently to <br />cause the formation of seams or planes of weakness within <br />the section. <br />E. Consolidation: All concrete shall be consolidated by <br />vibration, spading, rodding, or forking so that the <br />concrete is thoroughly worked around the reinforcement, <br />around embedded items, and into corner of forms <br />eliminating all air or stone pockets which may cause <br />honeycombing, pitting, or planes of weakness. <br />3.03 JOINTS <br />A. Construction Joints <br />1. Locate as shown or near points of minimum shear and <br />as approved by Architect/Engineer for beam or slabs. <br />2. Locate joints in vertical members, walls at underside <br />of floors or beams, and at tops of footings. <br />3. Floor slabs key.d joints maximums spacing 20' plus or <br />minus each direction unless otherwise noted. <br />B. Expansion Joints <br />1. Locate as shown on drawings. <br />2. Joints in walkways maximum at 20' o.c. score and tool <br />between expansion joints in equal bays at not over 5` <br />O.C. <br />- t?int4 shall he straight and smooth The nL.a" lhav <br />hardened before fresh concrete is deposited against <br />them. <br />4. One half inch joint at all masonry walls unless <br />otherwise detailed. - <br />3.04 CURING <br />A. Begin curing of concrete as soon as practicable after <br />placing, but ot more than 3 hours thereafter. <br />B. Curing of structural members shall begin immediately <br />after removal of forms. <br />03300--4 <br />