SECTION 16615

EMERGENCY POWER SUPPLY

PART 1 GENERAL

WORK INCLUDED

Emergency power supply.

RELATED WORK

Section 16535 - Emergency Lighting Equipment.

Section 16611 - Static Uninterruptible Power Supply.

Section 16622 - Package Engine Generator Set.

SYSTEM DESCRIPTION

System Configuration: Forward transfer type emergency power supply consisting of rectifier/charger unit, storage battery, and solid state inverter with [mechanical] [static] transfer switch, in one or several enclosures. [Unit suitable for operating HID lamps without extinguishing lamp on transfer.]

Operating Sequence: When utility power is available, it supplies load through transfer switch, and battery charger maintains battery charge. If utility fails, load is transferred to battery-powered inverter. When utility is restored, load is retransferred and battery charger restores battery charge.

QUALITY ASSURANCE

Manufacturer: Company specializing in battery-inverter power supplies with [three] [_____] years [documented] experience.

SUBMITTALS

Submit product data under provisions of Section [01300.] [01340.]

Indicate unit ratings, dimensions, and finishes.	Include performance data for batteries.

Submit manufacturer's installation instructions under provisions of Section [01300.] [01340.]

OPERATION AND MAINTENANCE DATA

Submit data under provisions of Section [01700.] [01730.]

Include battery maintenance and unit testing procedures.

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Store and protect products under provisions of Section [01600.] [01620.]

WARRANTY

Warranty: Provide [10] [_____] year pro-rated warranty on battery under provisions of Section [01700,] [01740,] pro-rated after first year on straight line basis.

Include coverage of travel, labor, parts and service.

PART 2 PRODUCTS

ACCEPTABLE MANUFACTURERS

[______________________________________.]

[______________________________________.]

[______________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

EMERGENCY POWER SUPPLY

Input Voltage: [120] [277] [_____] volts, 60 Hz, single phase.

Output Power: [_____] va at 0.8 power factor.

Battery Operating Time: [1.5] [_____] hours at full load and within output voltage limits.

Output Voltage: [120] [277] [_____] volts +/- [5] [_____] percent, single phase.

Inverter Output Frequency: [60] [_____] Hz +/- [one] [_____] percent.

Efficiency: 90 percent minimum.

Maximum Recharge Time: [12] [_____] hours following [1.5] [_____] hour discharge.

Total Harmonic Distortion: Less than [10] [_____] percent at full resistive load.

Transfer Time: [Continuous output power.] [50 milli-seconds.] [_____________________________________________.]

Battery: [Lead calcium,] [Nickel cadmium,] [__________,] sealed type.

Accessories: [Provisions for remote battery alarm.] [______________________________________________.]

Lamp Indicators: [AC ON and HIGH CHARGE.] [________________________________________________.]

Charger: Dual rate, designed to maintain battery in full-charge condition during normal conditions.

Exersizing Time Clock: Simulate input power interruption for [adjustable] [0-15] [_____] minute duration every [30] [_____] days.

REMOTE TROUBLE MONITOR

Indicators: Common derangement lamp and audible tone. Include silence switch arranged for ringback feature.

Enclosure: [Flush] [Surface] mounted with [_______________] finish.

PART 3 EXECUTION

INSTALLATION

Install units plumb and level.

Provide interconnection between cabinets.

MANUFACTURER'S FIELD SERVICES

Provide manufacturer's field services under provisions of Section [01400.] [01405.]

Include services of technician to supervise adjustments, final connections, and system start-up.

SCHEDULE

END OF SECTION