grounded temporary electric power service and distribution system of sufficient size,
capacity, and power characteristics to accommodate performance of work during the
construction period. The Contractor shall install temporary lighting adequate to provide
sufficient illumination for safe work and traffic conditions in every area of Work.
1. Temporary Power: Provide service to Decontamination Unit of suitable size and
capacity to accommodate all electrical equipment required for completion of the
Work.
2. Voltage Differences: Provide identification warning signs at power outlets which
are other than 110-120 volt power. Provide polarized outlets for plug-in type
outlets, to prevent insertion of 110-120 volt plugs into higher voltage outlets. Dry
type transformers shall be provided where required to provide voltages necessary
for work operations.
3. Ground Fault Protection: Provide receptacle outlets equipped with ground-fault
circuit interrupters, reset button and pilot light, for plug-in connection of power
tools and equipment.
4. Power Distribution System: Provide circuits of adequate size and proper
characteristics for each use. All lighting circuits and power receptacles shall be
GFI protected.
5. Provide electrical outlets in the clean room, equipment room, and at locations
inside and outside the Work Area as specified by the Engineer for the exclusive
use of the Engineer for air monitoring purposes.
Temporary Lighting: The Contractor shall locate provide general service incandescent
lamps of wattage indicated or required for adequate illumination. The Contractor shall
locate protect lamps with guard cages or tempered glass enclosures, where fixtures are
exposed to breakage by construction operations. The Contractor shall locate provide
exterior fixtures where fixtures are exposed to the weather or moisture.
Temporary Heating: The Contractor shall locate provide temporary heat where
indicated or needed for performance of the Work. The Contractor shall locate provide
temporary heating units that have been tested and labeled by UL, FM or another
recognized trade association related to the fuel being consumed. Use steam or hot water
radiant heat where available, and, where not available, use electric resistant fin radiation
supplied from a branch circuit with ground fault circuit interrupter. Under no
circumstances shall forced air or fan type units be utilized inside a Work Area. Work
Area temperatures are to be maintained such that water 1s available at all times to
perform the work.
02111-21
