Electrical Provide drawings for the following systems:
Electrical Service Electrical service for new construction or a renovated existing building shall be 480/277-volt, 3-phase, 4-wire or approved equal. Service shall be sized for HVAC and other mechanical system(s) loads, lighting, general building services, and dedicated computer based office equipment loads. 5 xxxxx per square foot shall be provided for lighting and general service receptacles. Size of neutral conductor of 3- phase circuits shall be twice that of phase conductor to accommodate potential harmonic currents associated with computer system electronic power supplies and fluorescent lighting fixtures electronic ballasts. An adequately sized 3 phase “wye” wound step down transformer shall be provided to supply 208/120-volt, 3 phase power, for lighting, general service receptacles and dedicated computer based office equipment. Dedicated, isolated ground circuits shall be supplied from separate isolated ground power distribution panel(s). Lighting circuits shall be supplied from separate lighting panel(s). Panels shall have 20% spare capacity and be complete with 10% spare breakers of each size, but no less than 1 spare. No more than 4 duplex receptacles shall be connected to any single 20-amp dedicated isolated ground circuit or general service circuit.
Electrical connections Equipment requiring electrical connections for operation shall either be hard wired to the Authorized User's provided connections or the Contractor shall be responsible for a male electrical union. All connections shall be made by the Contractor and accomplished in accordance with National Electrical Code requirements. Electrically operated equipment shall be available in the following volts and phases: 208 volt 1 or 3 phase, 60 HZ 220 volt 1 or 3 phase, 60 HZ 440 volt 1 or 3 phase, 60 HZ
Electrical Equipment Residents must use only CSA, UL-approved or Canadian-certified electrical equipment; the rated wattage of light fixtures must never be exceeded; and only replacement bulbs supplied by Waterloo maintenance staff may be used. Do not leave any unattended electrical equipment turned on (i.e. hair straighteners, lights etc.)
Electrical Power CUSTOMER acknowledges that the Services will not function in the absence of electrical power.
Lighting A system of fixtures providing or controlling the light sources used on or near the airport or within the airport buildings. The field lighting includes all luminous signals, markers, floodlights, and illuminating devices used on or near the airport or to aid in the operation of aircraft landing at, taking off from, or taxiing on the airport surface.
