Complete Compiled Specification.pdf - Peck Ormsby Construction

shown. Fill cells with reinforcing steel solid with grout. Clean units before laying. Use masonry
saw for cutting.
B. Build to preserve the unobstructed vertical continuity of cells. Vertically align sufficiently to
maintain a clean unobstructed vertical opening not less than 3" in all directions.
C. Lay up units in uniform running bond.
D. Masonry units shall be laid in a full mortar bed on all surfaces including cross walls. Buttering
only those edges which show in laying masonry units shall not be allowed. Interlock units at
wall intersections unless otherwise indicated. Toothing shall not be allowed, unless otherwise
shown. Tool concave joints in all masonry work, unless noted otherwise.
E. Miscellaneous workmanship shall comply with the latest edition of the International Building
Code unless a higher standard is required.
F. Where masonry is exposed to earth, install vapor retarder from top of footing to one inch from
top of the concrete slab-on-grade.
3.04 REINFORCEMENT
A. Refer to Section 03300 and Structural Notes on the drawings for general requirements.
B. Splice all bars the minimum shown on the Structural Drawings.
C. Place reinforcing and dowels before pouring grout. Tie reinforcing to dowels.
D. Dowel vertical reinforcing bars out of structure below and above with bars of same size and
spacing with lap length as shown on the structural drawings
E. Masonry bond beams: Place horizontal bars in 8" deep bond beam units at top and bottom of
wall and 48" o.c. maximum between. Continue bond beam units and reinforcement
uninterrupted around corners and across wall intersections.
F. Place additional vertical bars of same size as normal vertical reinforcement at corners and
jambs of openings and at beam bearing locations not otherwise detailed.
3.05 MORTAR
A. Mix mortar in mechanical type batch mixer. Hand mix only with approval of Architect. Mix for
not less than 3 minutes after all materials, including water, are in the drum. When mixing by
hand, mix until mortar is uniformly blended.
B. Mix in quantities required for immediate use and place before bad loss of slump occurs.
Retempering after mortar has begun to set will not be allowed.
3.06 GROUT
A. Place grout by approved grout pump, capable of handling at least 12 cubic yards per hour of
the specified aggregate mix, or by other method approved by Architect. Cells shall be grouted
in lifts not to exceed 4 ft. maximum. Stop grout 1-1/2" below top of course to form key at pour
joint. All grout to be vibrated in place, without segregation of aggregate, using a mechanical
or electrical vibrating rod of size recommended by BIA. Do not use mortar for grout.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
UNIT MASONRY 04200-6