specs

E. Fire Alarm: EMT or Plenum Cable as allowed by the Governing Authorities (except as specifically
detailed on the drawings). All cable to be stranded.
F. Projection and Sound: As indicated on the drawings
G. Smurf is not acceptable.
2.03 DIMMERS
A. Dimmers located in the projection booth serving the auditoriums will be furnished by the Owner,
installed by the contractor. For installation and wiring, see drawings.
B. All other dimmers, including wall box dimmers located in the auditoriums, will be furnished and
installed by the contractor.
2.04 DRY TYPE TRANSFORMERS
A. Dry type transformers shall be of rating shown on plan and for 480 volts Delta Primary connection and
120/208 volt, 3-phase, 4-wire, Wye secondary.
B. Provide four 2-1/2 % full capacity taps in primary winding, two above and two below normal voltage.
C. The insulation system shall be for 220 degrees C. and the transformer designed for 150 degrees C.
above a 40 degree C. ambient temperature.
D. Transformer shall have steel enclosure with knockouts for conduit connections.
E. The transformer will be for floor or wall mounting.
F. The transformer manufacturer will be the same as the approved panelboard manufacture.
G. Provide 1/2" Neoprene pads below transformers.
H. Exterior transformers shall have NEMA 3 enclosures.
I. Maximum impedance shall be as scheduled on the drawings or 5.5% maximum.
J. Transformers shall be “Energy Star” compliant (TP1) and shall meet the energy code
requirements for impedance.
2.05 SERVICE SWITCHBOARD
A. Provide a service panelboard as scheduled on drawings.
B. Service panelboard shall have grounded bus, neutral bus, removable tie between grounded bus,
neutral, and removable link in neutral.
C. Service panelboard shall have service entrance rating.
D. Provide fused switches or breakers as scheduled.
E. Label all circuits.
F. Circuit Breakers
1. Group mounted molded case circuit breakers are to be totally front accessible.
2. The circuit breakers are to be mounted in the switchboard to permit installation, maintenance
and testing without reaching over any line side bussing.
3. The circuit breakers are to be removable by the disconnection of only the load side cable
terminations and all line and load side connections are to be individual to each circuit
breaker.
4. No common mounting brackets or electrical bus connectors will be acceptable.
5. Breakers shall be the over-the counter toggle operating type with the handle going to a
position between "On" and "Off" to indicate automatic tripping.
Cinemark 16050 - 2 Basic Electrical Materials and Methods
South Napa Century Center XD 12 EnviroDesign, Inc., Bid Issue 7-7-11