Vol 2 - Garney Construction

ick plumb, true to line, with level courses accurately spaced, and donot furrow bed joints.2. Finish horizontal run by racking back in each course; toothing notpermitted. Adjust all units to final position while mortar is soft andplastic. If units are displaced after mortar has stiffened, remove, cleanjoints and units of mortar, and relay with fresh mortar.3. Bond unexposed units in wythe by lapping a minimum of 2 inches.Adjust shelf angles to keep Work level at proper elevation. Providepressure relieving joints by placing a continuous compressible padunder the shelf angle.4. When joining fresh masonry to set or partially set masonry:a. Remove loose brick and mortar.b. Clean and lightly wet exposed surface of set masonry prior tolaying fresh masonry.B. Pattern: Lay brick in pattern shown on Drawings to match existing.C. Mortar Beds: Lay brick with full mortar coverage on horizontal and verticaljoints. Rock closures into place with head joints thrown against two adjacentbricks in-place. Do not pound corners or jambs to fit stretcher units aftersetting in-place. Where adjustment to corners or jambs must be made aftermortar has started to set, remove mortar and replace with fresh mortar.D. Horizontal and Vertical Face Joints:1. Nominal Thickness: 3/8 inch.2. Construct uniform joints.3. Shove vertical joints tight.4. Tool joints concave in exposed surfaces when thumbprint hard usingjointing tool.5. Concave tool exterior joints below grade.6. Flush cut all joints not tooled.7. Fill horizontal joints between top of masonry partition and underside ofconcrete beams with mortar.E. Tuck-Point Joints:1. Rake mortar joints to a depth of 1/2 to 3/4 inch.2. Saturate exposed joints with clean water.3. Fill joints solidly with pointing mortar.4. Tool joints to match existing.F. Movement Joints: Keep clean of all mortar and debris.PW/WBG/382059MASONRY VENEERAUGUST 15, 2012 04 21 13.13 - 9©COPYRIGHT 2012 CH2M HILL