Specifications

Draper Prison Wasatch & Oquirrh Intercom & Paging System Remodel 4-21-2014
GROUNDING 260452 – 1
SECTION 260452 – GROUNDING
PART 1 – GENERAL
1.1 RELATED DOCUMENTS:
A. Drawings and general provisions of Contract, including General and Supplementary Conditions
and Division-1 Specification Sections, apply to work of this section.
B. This section is a Division 26 General Provisions section, and is part of each Division 26, 27, and
28 sections making reference to grounding.
1.2 DESCRIPTION OF WORK:
A. Extent of grounding work is indicated by drawings and schedules and is specified herein.
B. Ground the complete electrical installation including the system neutral, metallic conduits and
raceways, boxes, fittings, devices, cabinets, equipment, and separately derived systems in
accordance with the NEC and all other applicable codes to provide a permanent, continuous,
low impedance, grounding system.
1.3 QUALITY ASSURANCE:
A. STANDARDS: Refer to Section 260001 – Electrical General Provisions as applicable.
PART 2 – PRODUCTS
2.1 GENERAL:
A. Provide grounding equipment and accessories of types, sizes, ratings, and electrical
characteristics indicated or as otherwise required to provide a complete system.
2.2 GROUNDING CONDUCTORS:
A. Unless noted otherwise, provide grounding conductors with stranding and insulation types to
match phase conductors. Provide conductors with green insulation if possible; otherwise wrap
with green tape. Size ground conductors as indicated on drawings. Do not size ground
conductors smaller than that allowable by NEC.
2.3 INSULATED GROUNDING BUSHINGS:
A. Provide plated malleable iron body with 150 degree Centigrade molded plastic insulating throat,
lay-in grounding lug with hardened stainless steel fasteners (OZ Gedney BLG or equivalent).
2.4 CONNECTION TO PIPES:
A. Provide heavy duty, cast bronze, ground clamp systems with silicon bronze bolts and nuts (OZ
Gedney G Series - B or equivalent).
2.5 CONNECTIONS TO STRUCTURAL STEEL, GROUND RODS, OR SPLICES:
Bid DA14027DFCM
5/30/2014 2:08 PM p. 89