2.2
ELECTRICAL WORK
**************************************************************************
NOTE: Indicate motor type, class, and enclosure
type on the drawings.
**************************************************************************
Electrical motor driven equipment shall be provided complete with motors,
motor starters, and controls. Motors shall conform to NEMA MG 1.
Electrical equipment and wiring shall be in accordance with Section 16402
INTERIOR DISTRIBUTION SYSTEM. Electrical characteristics shall be as
specified or indicated. Unless otherwise indicated motors of 745.7 W (1
Hp) 1 Hp and above shall be high efficiency type. Motor starters shall be
provided complete with thermal overload protection and other appurtenances
necessary for the motor control specified. Each motor shall be of
sufficient size to drive the equipment at the specified capacity without
exceeding the nameplate rating of the motor. 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.
2.3
HEATERS
**************************************************************************
NOTE: Heater mounting brackets and related hardware
should be specified to be furnished by the equipment
manufacturer with factory finish if project does not
warrant separate specification sections for
miscellaneous metals and field painting. The
designer should consult specification sections 13080
and 15070A to determine if seismic details are
required. If required, refer to specification
sections 13080 and 15070A or include the necessary
details on the drawings. Delete the reference to
seismic details, if they are not required. Indicate
all applicable vent pipe routing on drawing.
**************************************************************************
Heaters shall be equipped for and adjusted to burn [natural] [liquified
petroleum] [dual fuel natural/liquified petroleum] gas. Each heater shall
be provided with a gas pressure regulator that will satisfactorily limit
the main gas burner supply pressure. Heaters shall have an intermittent or
interrupted electrically ignited pilot or a direct electric ignition
system. Safety controls shall conform to the ANSI standard specified for
each heater. Mounting brackets and hardware shall be furnished by the
heater manufacturer and shall be factory finished to match the supported
equipment. Seismic details shall be [in accordance with Sections 13080
SEISMIC PROTECTION FOR MISCELLANEOUS EQUIPMENT and 15070A SEISMIC
PROTECTION FOR MECHANICAL EQUIPMENT] [as indicated].
2.3.1
Direct Fired Make-Up Air Heaters
**************************************************************************
NOTE: Designer should choose inlet or discharge
damper according to climate zone. Generally,
locations which experience more than 2220 heating
degree C days (4,000 heating degree F days) should
use discharge dampers on units located outdoors, and
inlet dampers on units located indoors.
SECTION 15565A
Page 7
Previous Page
