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Specifications - City of Montpelier, Vermont

Specifications - City of Montpelier, Vermont

Specifications - City of Montpelier, Vermont

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Title:16450 $ Grounding<strong>Montpelier</strong> District Heating<strong>City</strong> <strong>of</strong> <strong>Montpelier</strong>, VTIssue Date:September 28, 2012Page #:4 <strong>of</strong> 62.5 CONNECTOR PRODUCTSA. General: Listed and labeled as grounding connectors for the materials used.B. Pressure Connectors: Highconductivityplated units.C. Bolted Clamps: Heavyduty units listed for the application.D. Exothermic Welded Connections: Provided in kit form and selected for thespecific types, sizes, and combinations <strong>of</strong> conductors and other items to beconnected.E. Electrical Grounding Connection Accessories: Electrical insulating tape, heatshrinkable insulating tubing, welding materials.2.6 GROUNDING ELECTRODESA. Ground Rods: Copperclad steel with highstrength steel core andelectrolyticgrade copper outer sheath, molten welded to core.1. Size: 3/4 inch by 10 feet.B. Plate Electrodes: Copper plates, minimum 0.10 inch thick, size as indicated.PART 3 EXECUTION3.1 APPLICATIONA. Equipment Grounding Conductor Application: Comply with NEC Article 250 forsizes and quantities <strong>of</strong> equipment grounding conductors, except where larger sizesor more conductors are indicated.B. Install separate insulated equipment grounding conductors with circuit conductorsin all raceway systems.C. Separately derived systems required by NEC to be grounded shall be grounded inaccordance with NEC paragraph 25030.GROUNDING164504

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