Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
1. Provide product data for all grounding equipment and appurtenances,
including but not limited to; wires, connectors, lugs, clamps, ground rods,
bonding jumpers and accessories.
PART 2-— PRODUCTS
2.01 GENERAL
A.
Provide electrical grounding system with assembly of materials required for
complete installation including wires/cables, connectors, lugs, clamps, ground
rods, bonding jumpers and accessories.
Provide electrical grounding conductors for grounding connections matched to
power supply wiring materials and sized according to NEC.
Provide electrical connectors, lugs, clamps, boding jumpers and accessories as
recommended by the respective manufacturer for the particular application, unless
other indicated.
Ground Rods: Solid copper clad, 5/8-inch diameter by 10 feet long.
Insulated Conductors: Green in color.
Ground Bus. Bare annealed copper bars of rectangular cross section, ¥-inch x 3-
inch x length as required, with 98 percent conductivity, rigidly attached to
structure.
Bonding Strap Conductor/Connectors: Soft copper, 0.05 inch thick and 2-inches
wide, except as indicated.
Pressure Connectors: High conductivity plated units.
Bolted Clamps: Heavy-duty units listed for the application.
Exothermic Welded Connections: Provided in kit form and selected for the
specific types, sizes, and combinations of conductors and other items to be
connected.
PART 3 — EXECUTION
3.01 GROUNDING & BONDING
A.
Ground main service entrance ground bus or lug to neutral of incoming service, to
enclosure and to ground rod. Install grounding bushings or service conduits. Use
exothermic style ground connections to the ground rod. Use of conduit system for
ground conductor shall not be allowed.
Provide and install 600 volt insulated bonding conductors throughout the
distribution system with connection to bonding (or grounding) terminal on each
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
WOODARD & CURRAN 26 05 26-2