b. UPS Volt-Amp capacity shall be at least 130 percent of the total
volt-amp load of the equipment connected to the UPS. Power requirement
calculations shall be included with the design data submittal to verify
c. Upon ac power line outage, the UPS shall automatically transfer to
battery power within 4.2 milliseconds of sensing ac power line loss, and
provide at least 15 minutes of full power for operation of the equipment
connected to the UPS. On-battery output voltage shall be 115 VAC, +/- 5
percent.
d. The UPS shall utilize sealed, maintenance free type batteries that have
an expected life of at least three years. The batteries shall always be
powered from a constant voltage or "float type" battery charger. Recharge
time to 90 percent capacity after discharge to 50 percent capacity shall
not exceed 10 hours.
e. Surge energy rating shall be at least 320 joules.
Surge peak current
capability shall be at least 26 ka.
f. UPS visual indicators on the UPS front panel shall indicate on-line
operation, output overload, low battery, and replace battery.
2.7
SYSTEM CABLING
a. System cabling shall be of the type, size and specifications as
required by: the system Manufacturer; the configuration of the installed
equipment that is being interconnected by the cabling; the system
application design; interconnecting wiring requirements of UL 1069; and the
code requirements of NFPA 70 NEC.
b. The size of system power cable wires shall be as calculated using the
system Manufacturer's instructions and guidelines, and system power
requirements. Calculations shall be included with the design data
submittal.
PART 3
EXECUTION
3.1
EXAMINATION
System Contractor shall perform a site survey to verify all field
conditions, become familiar with the details of the work and working
conditions, verify dimensions in the field, and advise the Contracting
Officer of any discrepancies before performing the work.
3.2
PREPARATIONS
3.2.1
User Room Numbers and Names
a. User room numbers and names for the final system application design,
all system functions, and indication on as-built drawings, shall be as
directed by the Contracting Officer six months prior to the beneficial
occupancy date for the medical facility.
b. The system Contractor shall verify that the user room numbers and names
used in the system are consistent with the room numbers and names used on
the medical facility signage and information system ADT program.
SECTION 16730A
Page 36