Specifications

Draper Prison Wasatch & Oquirrh Intercom & Paging System Remodel 4-21-2014
ELECTRICAL SUPPORTS AND SEISMIC RESTRAINTS 260072 – 1
SECTION 260072 – ELECTRICAL SUPPORTS AND SEISMIC RESTRAINTS
PART 1 – GENERAL
1.1 RELATED DOCUMENTS:
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY:
A. This Section includes the following:
1. Hangers and supports for electrical equipment and systems.
2. Seismic restraints for electrical equipment and systems.
3. Construction requirements for concrete bases.
1.3 DEFINITIONS:
A. IBC: International Building Code.
B. Seismic Restraint: A structural support element such as a metal framing member, a cable, an
anchor bolt or stud, a fastening device, or an assembly of these items used to transmit seismic
forces from an item of equipment or system to building structure and to limit movement of item
during a seismic event.
1.4 SUBMITTALS:
A. Product Data: Illustrate and indicate style, material, strength, fastening provision, and finish for
each type and size of electrical support and seismic-restraint component used.
1. Tabulate types and sizes of seismic restraints, complete with report numbers and rated
strength in tension and shear as evaluated by an agency acceptable to authorities having
jurisdiction.
2. Annotate to indicate application of each product submitted and compliance with
requirements.
B. Shop Drawings: Indicate materials and dimensions and identify hardware, including attachment
and anchorage devices, signed and sealed by a qualified professional engineer. Include the
following:
1. Fabricated Supports: Representations of field-fabricated supports not detailed on
Drawings.
2. Seismic Restraints: Detail anchorage and bracing not defined by details or charts on
Drawings. Include the following:
a. Design Analysis: To support selection and arrangement of seismic restraints.
Include calculations of combined tensile and shear loads.
b. Details: Detail fabrication and arrangement. Detail attachments of restraints to
the restrained items and to the structure. Show attachment locations, methods,
and spacings. Identify components, list their strengths, and indicate directions
and values of forces transmitted to the structure during seismic events.
c. Preapproval and Evaluation Documentation: By an agency acceptable to
Bid DA14027DFCM
5/30/2014 2:08 PM p. 66