Steel and precast lintels shall have a minimum bearing length of 200 mm 8
inches unless otherwise indicated on the drawings.
3.15
SILLS AND COPINGS
Sills and copings shall be set in a full bed of mortar with faces plumb and
true.
3.16
ANCHORAGE TO CONCRETE AND STRUCTURAL STEEL
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NOTE: If spacing of anchors varies from that
specified, edit these paragraphs accordingly.
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3.16.1
Anchorage to Concrete
Anchorage of masonry to the face of concrete columns, beams, or walls shall
be with dovetail anchors spaced not over 400 mm 16 inches on centers
vertically and 600 mm 24 inches on center horizontally.
3.16.2
Anchorage to Structural Steel
Masonry shall be anchored to vertical structural steel framing with
adjustable steel wire anchors spaced not over 400 mm 16 inches on centers
vertically, and if applicable, not over 600 mm 24 inches on centers
horizontally.
3.17
PARGING
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NOTE: If parging is not required, or if other types
of dampproofing are in the project, this paragraph
will be deleted.
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The outside face of below-grade exterior concrete-masonry unit walls
enclosing usable rooms and spaces, except crawl spaces, shall be parged
with type S mortar. Parging shall not be less than 13 mm 1/2 inch thick
troweled to a smooth dense surface so as to provide a continuous unbroken
shield from top of footings to a line 150 mm 6 inches below adjacent finish
grade, unless otherwise indicated. Parging shall be coved at junction of
wall and footing. Parging shall be damp-cured for 48 hours or more before
backfilling. Parging shall be protected from freezing temperatures until
hardened.
3.18
INSULATION
Anchored veneer walls shall be insulated, where shown, by installing
board-type insulation on the cavity side of the inner wythe. Board type
insulation shall be applied directly to the masonry or thru-wall flashing
with adhesive. Insulation shall be neatly fitted between obstructions
without impaling of insulation on ties or anchors. The insulation shall
be applied in parallel courses with vertical joints breaking midway over
the course below and shall be applied in moderate contact with adjoining
units without forcing, and shall be cut to fit neatly against adjoining
surfaces.
SECTION 04200
Page 56
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