Shelf angles which are supported vertically by the
cold-formed steel framing wall should be designed by
the designer of the cold-formed steel framing
system. The total deflection due to imposed loads
of shelf angles shall not exceed 1/600 of the span
or a maximum value of 7.5 mm (0.3 inches). The
total rotational deflection which includes shelf
angle rotation plus deflection of the horizontal leg
of the angle shall not exceed 2 mm (1/16 inch) at
midspan between angle supports.
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Steel shapes used for lintels and shelf angles shall conform to ASTM A 36/A
36M. Lintels and shelf angles shall be provided as shown. These steel
members shall be hot-dip galvanized in accordance with ASTM A 123/A 123M.
2.15
CAULKING AND SEALANTS
Caulking and sealants shall be as specified in Section 07920 JOINT SEALANTS.
PART 3
EXECUTION
3.1
GENERAL INSTALLATION REQUIREMENTS
Wall sections, types of construction and dimensions shall be as shown.
Metal door and window frames and other special framing shall be built and
anchored into the wall system as indicated. The Contractor shall submit
Calculations as specified in the Submittals paragraph.
3.2
STEEL STUD WALL FRAMING
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NOTE: This paragraph should be edited to reflect
the design option selected. Details of the steel
stud system should be shown on the drawings.
The top and bottom track connections will be in
double rows or with single fasteners as indicated.
On 200 mm (8 inch) and thicker walls with long spans
the double rows of anchors will be used. Otherwise,
a single anchor at each stud is sufficient.
When the exterior wall framing is installed as
in-fills between elements of the building structural
framing system, the top track shall be designed to
prevent building gravity loads from entering the
cold-formed steel framing system.
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The top track of the stud wall system shall be slip jointed to accommodate
vertical deflections of the supporting members as shown on the drawings.
[Top and bottom tracks shall be securely anchored to resist track rotation
by alternating fastener locations to provide two rows, one row near each
track flange as shown on the drawings.] [Top and bottom tracks shall be
anchored by one anchor at each stud location as shown on the drawings.]
Both flanges of all steel studs shall be securely fastened with screws to
the flanges of the top and bottom tracks as shown on the drawings. All
details for affixing steel studs to runners and all other sheet steel
SECTION 04810
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