Specifications - Lord and Son Construction, Inc.

2.10 ELECTRICAL WORK
Provide electrical motor driven equipment specified complete with motors,
motor starters, and controls as specified herein and in Section 26 20 00
INTERIOR DISTRIBUTION SYSTEM. Provide internal wiring for components of
packaged equipment as an integral part of the equipment. Provide high
efficiency type, single-phase, fractional-horsepower alternating-current
motors, including motors that are part of a system, corresponding to the
applications in accordance with NEMA MG 11. In addition to the requirements
of Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM, provide polyphase,
squirrel-cage medium induction motors with continuous ratings, including
motors that are part of a system, that meet the efficiency ratings for
premium efficiency motors in accordance with NEMA MG 1. Provide motors in
accordance with NEMA MG 1 and of sufficient size to drive the load at the
specified capacity without exceeding the nameplate rating of the motor.
Motors shall be rated for continuous duty with the enclosure specified.
Motor duty requirements shall allow for maximum frequency start-stop
operation and minimum encountered interval between start and stop. Motor
torque shall be capable of accelerating the connected load within 20 seconds
with 80 percent of the rated voltage maintained at motor terminals during
one starting period. Motor bearings shall be fitted with grease supply
fittings and grease relief to outside of the enclosure.
Controllers and contactors shall have auxiliary contacts for use with the
controls provided. Manual or automatic control and protective or signal
devices required for the operation specified and any control wiring required
for controls and devices specified, but not shown, shall be provided. For
packaged equipment, the manufacturer shall provide controllers, including
the required monitors and timed restart.
Power wiring and conduit for field installed equipment shall be provided
under and conform to the requirements of Section 26 20 00 INTERIOR
DISTRIBUTION SYSTEM.
2.11 MISCELLANEOUS PIPING ITEMS
2.11.1 Escutcheon Plates
Provide one piece or split hinge metal plates for piping entering floors,
walls, and ceilings in exposed spaces. Provide chromium-plated on copper
alloy plates or polished stainless steel finish in finished spaces. Provide
paint finish on plates in unfinished spaces.
2.11.2 Pipe Sleeves
Provide where piping passes entirely through walls, ceilings, roofs, and
floors. Sleeves are not required where drain, waste, and vent (DWV) piping
passes through concrete floor slabs located on grade, except where
penetrating a membrane waterproof floor.
2.11.2.1 Sleeves in Masonry and Concrete
Provide steel pipe sleeves or schedule 40 PVC plastic pipe sleeves. Sleeves
are not required where drain, waste, and vent (DWV) piping passes through
concrete floor slabs located on grade. Core drilling of masonry and
Section 22 00 00 Page 27