SECTION 05211
STEEL JOISTS
PART 1 - GENERAL
1.01
RELATED DOCUMENTS
A.
1.02
RELATED WORK
A.
1.03
Drawings and General Provisions of Contract, including General Conditions and
other Division 1 Specification Sections, apply to the Work of this Section.
Section 01410: Testing Laboratory Services
QUALITY ASSURANCE
A.
Provide joists fabricated in compliance with the following and as specified.
1.
1.04
B.
The joist fabricator shall be a member of SJI.
C.
Qualification of Welding Work: Quality welding processes and welding operators
shall be in accordance with the AWS "Standard Qualification Procedure."
REFERENCE STANDARDS
A.
1.05
Steel Joist Institute (SJI), “Standard Specifications Load Tables and
Weight Tables for Steel Joists and Joist Girders” (41ST Edition).
Special Inspections: Implementation in Fairfax County, SIFC Current edition.
SUBMITTALS
A.
Submit manufacturer's specifications and installation instructions for each type of
joists and its accessories.
Include manufacturer's certification to show
compliance with these specifications. Indicate by transmittal form that a copy of
each instruction has been distributed to the Erector.
B.
Submit detailed drawings showing layout of joists units, special connections,
jointing and accessories. Include the mark, number, type location and spacing of
joists and bridging. Detailed Drawings shall show special connections and loads
necessary to support special equipment such as operable partitions and gym
equipment.
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STEEL JOISTS
1.06
SECTION 05211
PRODUCT DELIVERY, STORAGE AND HANDLING
A.
Deliver, store and handle steel joists as recommended in SJI Specifications, and
in accordance with SJI Technical Digest #9, Handling and Erection (July 1987).
B.
Exercise care during unloading, storing and handling to avoid damage to joists
and joist accessories.
PART 2 - PRODUCTS
2.01
2.02
MATERIALS
A.
Steel: Comply with SJI Standard Specifications (Section 1.02, Materials) for
each type of joist specified.
B.
Steel Shop Paint: Comply with Steel Structures Painting Council Specification
SSPC No. 15.
FABRICATION
A.
Fabricate steel joists in accordance with SJI Specifications.
B.
Provide extended ends on joists where shown on Drawings, complying with the
manufacturer's standards and requirements of applicable SJI Specifications.
C.
End Bearing and Anchorage: Provide end bearing and anchorages to secure
joists to adjacent construction. Comply with SJI Specifications, unless otherwise
indicated.
D.
Shop Painting:
1.
Remove loose scale, heavy rust, and other foreign materials from
fabricated joists and accessories before application of shop paint.
2.
Apply one shop coat of primer paint to steel joists and accessories, by
spray, dipping, or other method to provide a continuous dry paint film
thickness of not less than 0.50 mil.
3.
After erection, touch-up field connections and abraded surfaces with paint
equivalent to the shop coat.
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STEEL JOISTS
SECTION 05211
PART 3 - EXECUTION
3.01
INSPECTION
Examine the areas and conditions under which steel joists are to be installed. Notify the
Architect and Owner’s Representative in writing of conditions detrimental to the proper
and timely completion of the work. Do not proceed with the work until unsatisfactory
conditions have been corrected in a manner acceptable to the Architect and Owner’s
Representative.
3.02
ERECTION
A.
3.03
Place and secure steel joists in accordance with SJI Specifications and as
specified.
1.
Refer to Division 3 Sections for installation of anchors set in concrete.
2.
Refer to Division 4 Sections for installation of anchors set in masonry.
B.
Do not start placement of steel joists until supporting work is in place and
secured. Place joists on supporting work, adjust and align in accurate location
and spacing before permanently fastening.
C.
Provide temporary bridging, connections, and anchors as required to provide
lateral stability during construction.
D.
Provide horizontal or diagonal type bridging complying with SJI Specification,
unless otherwise indicated.
E.
Install bridging immediately after joist erection, and before any construction loads
are applied. Anchor ends of bridging lines at top and bottom chords where
terminating at walls or beams.
F.
Field weld joists to supporting steel framework in accordance with SJI
Specifications for the type of joists used. Coordinate welding sequence and
procedure with the placing of joists.
G.
Do not alter or field cut joists without prior written approval of the Architect’s
consulting structural engineer (the Structural Engineer of Record).
FIELD QUALITY CONTROL
A.
The Owner will retain an independent testing and inspection agency to inspect
joist placement and welded connections. The agency will also perform tests and
prepare test reports of field inspections.
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STEEL JOISTS
SECTION 05211
B.
The testing and inspection agency shall conduct tests in accordance with the
Fairfax County Special Inspections Manual (SIFC – 2000) and shall indicate
compliance and deviations from standards in the test reports.
C.
Correct work that has been found to be deficient and not in compliance with
requirements.
1.
D.
The expense of removing and replacing any portion of the steel joists and
accessories due to inspections or testing that indicate non-compliance
shall be borne by the Contractor. Additional testing to confirm results of
inspections and testing shall be performed at Contractor’s expense.
Repairs to joists in order to correct improper fabrication shall be the responsibility
of the supplier. All associated follow up testing to demonstrate compliance shall
be performed at the Contractor’s expense.
END OF SECTION
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