Scope of Electrical Works and Engineering Documents

Scope of Electrical Works and Engineering Documents

Scope of Electrical Works

The contractor shall provide all labor, services, tools, materials, and equipment (other than that specifically called out on the contract drawings and specifications as being provided) necessary to install a complete and operative electrical system according to the contract drawings, this specification, the latest issues of the National Electrical Code and all other applicable codes, manufacturers’ drawings and instructions, and the direction of the field representative.

This specification is intended for use within the Worldwide.

Any conflict between the various standards, codes, specifications, and the contract drawings shall be brought immediately to the attention of the field representative.

The requirements of this specification shall be applied to the supply and installation of all materials and equipment as shown on the contract drawings. The requirements shall supplement the contract drawings. Requirements that are in conflict with the contract drawings shall be brought to the immediate attention of an field representative.

Electrical Engineering Documents

General Scope of Work for Construction Contracts

General Project Data (project specific)

Electrical Equipment Commissioning

Commissioning: High Voltage Circuit Breakers/Contactors/Switches and Control

Commissioning: Substations and Outdoor Bus Structures

Commissioning: Substations High Voltage Oil/Vacuum/Gas Circuit Breakers

Commissioning: Liquid-Filled Transformers

Commissioning: Rotating Equipment – Motors greater than 600 HP

Commissioning: Low Voltage Distribution Systems/Motor Control Centers/Load Centers/Auto-Transfer Switches

Commissioning: Low Voltage Power and Control Distribution Equipment

Commissioning: Uninterruptible Power System, Batteries and Chargers

Commissioning: Emergency Generators

Commissioning: Bus Duct Systems

Commissioning: Grounding Systems

Hazardous Area Requirements for Class I Areas

Standard Wire and Cable Types

Installation and Testing of Medium Voltage Cable

Electrical Standard – Grounding Cable Trays

Electrical Standard – Grounding Conduit to Cable Tray

Electrical Standard – Conduit Connection Solenoid Valve

Electrical Standard – Conduit Connection to Pigtailed Switch

Electrical Standard – Conduit Connections to Field Devices – Class I Hazardous Area

Electrical Standard – Cable Tray Supports

Electrical Standard – Low Point Drain Installation Details

Electrical Standard – Symbols – Welding & Power Receptacles

  • Institute of Electrical and Electronic Engineers (IEEE)

               81     Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System – latest edition.

               837   Qualifying Permanent Connections Used in Substation Grounding.

  • Instrument Society of America (ISA)
  • National Electrical Manufacturers Association (NEMA)

               C82.9      American National Standard for Lamp Ballasts— High-Intensity Discharge and Low-Pressure Sodium Lamps— Definitions. 

               VE 2        Cable Tray Installation Guidelines. 

  •  National Fire Protection Association (NFPA)

         70     National Electrical Code (NEC) – Latest Edition

  • NETA (International Electrical Testing Association)

               ATS-2013      Acceptance Testing Specifications

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