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B . Maintain joint widths shown, except for minor variations required to maintain bond <br /> alignment. If not shown, lay walls with 3 /8 " joints . <br /> tCO Cut joints flush for masonry walls which are to be concealed or to be covered by <br /> other materials, unless otherwise indicated . <br /> ' D . Tool exposed joints slightly concave using a jointer larger than joint thickness, <br /> unless otherwise indicated. <br /> ' E . Remove masonry units disturbed after laying, clean and reset in fresh mortar. Do <br /> not pound corners or jambs to shift adjacent stretcher units which have been set in <br /> position. If adjustments are required, remove units, clean off mortar and reset in <br /> fresh mortar. <br /> ' F . Collar Joints . <br /> After each course is laid, fill the vertical longitudinal joint between wythes solidly <br /> and with mortar for all exterior walls . <br /> G : Corners : <br /> Provide interlocking masonry unit bond in each course at corners , unless otherwise <br /> ' shown. <br /> 1 . For horizontally reinforces masonry, provide continuity at corners with <br /> ' prefabricated "L" units, in addition to masonry bonding . <br /> H . Intersecting and Abutting Walls : <br /> ' If carried up separately, block or tooth vertical joint with 8 " maximum offsets and <br /> provide rigid steel anchors spaced not more than 4' - 0 " o . c . , vertically, or omit <br /> ' blocking and provide rigid steel anchors at not more than 2 '- 0 " o . c . vertically . Form <br /> anchors of galvanized steel not less than 1 - 1 /2 " x 1 /4 " x 2'- 0 " long with ends turned <br /> up not less than 2 " or with cross-pins . If used with hollow masonry units, embed <br /> ' ends in mortar-filled cores . <br /> J. Non-bearing Interior Partitions : <br /> Build full height of story to underside of solid floor or roof structure above, unless <br /> otherwise shown. <br /> 1 . Wedge non-bearing partitions against structure above with small pieces of <br /> tile, slate or metal . Fill joint with mortar after dead load deflection of <br /> structure above approaches final position. <br /> ' 3 . 05 HORIZONTAL JOINT REINFORCEMENT <br /> A . General : <br /> Provide Dur-O -Wall , (or approved equal) , truss-type , horizontal reinforcing at <br /> every other block course . At door and window openings , provide continuous Dur <br /> i <br /> 042004 <br />