Complete Compiled Specification.pdf - Peck Ormsby Construction

SECTION 16470 - PANELBOARDS
PART 1 - GENERAL
1.1 WORK INCLUDED:
A. Provide all branch circuit panelboards as herein specified and shown on the drawings.
1.2 SUBMITTALS:
A. Submit complete and descriptive shop drawings indicating dimensions and compliance with
the specifications herein. Submit in accordance with Section 01300.
PART 2 - PRODUCTS
2.1 ACCEPTABLE MANUFACTURERS:
A. Square D, Siemens, General Electric, Cutler-Hammer/Westinghouse
B. Requests for substitution of other products will be considered if submitted in accordance with
Section 01630.
2.2 EQUIPMENT:
A. Panels shall be factory pre-assembled using bolt-on circuit breakers, equivalent to Square D
NQOD series. Separate feeder lugs shall be provided for each feeder conductor.
B. Breakers in branch panelboards shall be not less than 3/4 inch on centers. Each breaker
shall be securely fastened to prevent movement and trims shall fit neatly and tightly to the
breaker assembly. Two and three pole breakers shall be single breaker assembly rather than
two or three single pole breakers with the handles tied together externally.
C. Panel finish shall be a flat, light gray finish suitable for painting over or being left with factory
finish. Flush mounted panels in finished walls shall be painted to match wall, paint and paint
preparation to be as specified by Architect. Panel covers to be painted off wall, then installed
over painted wall surface. Trims to be separately packed and protected from scratching and
marring. Refer to labeling requirements in 16050 Basic Materials and Methods.
D. Panelboard trims to have concealed trim screws and door hinges, and a flush stainless steel
cylinder lock with catch and coil spring loaded door pull equivalent to Square D "Mono-Flat".
All panels shall be keyed alike.
E. Where grounding conductors are shown or specified, provide each panel and distribution
center with grounding bus to which the grounding conductors shall be connected, each
having its own terminal or lug.
F. Where Isolated Grounding (IG) conductors are shown or specified, provide each panel and
distribution center with an Isolated Grounding bus to which the IG conductors shall be
connected, each having its own terminal or lug. The IG grounding system shall be fully
separated and insulated from the IG receptacle to the System Grounding Electrode. Provide
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION March 2, 2009
PANELBOARDS 16470-1