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CAMPUS CHILLED WATER PIPING – UNIVERSITY OF NORTH GEORGIA
Spencer Bristol Engineering, Inc.
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Miscellaneous Applications:
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3.03
Protect all conduits entering and leaving concrete floor slabs from physical
damage during construction.
Install all conduits penetrating rated fire floors to maintain the fire rating of the
floor penetrated.
The maximum projection of conduit stub-up and bushing above slab shall be 3".
Install flush with finished slab where indicated.
Use flexible conduit for connections to flush- or chain-mounted lighting fixtures,
motors, dry type transformers, plumbing or HVAC equipment, and
kitchen/laundry equipment.
a.
Flexible conduit used for connection of motors, dry type transformers,
plumbing and HVAC equipment, kitchen equipment, and laundry
equipment shall not exceed 18" in length for trade diameter sizes 3" or
less, 21" in length for 3 1/2" trade diameter size, and 24" in length for
4" trade diameter size.
b.
Flexible conduit from outlet box to lighting fixtures shall not exceed 6
feet in length.
c.
Maintain ground continuity through flexible conduit with green
equipment grounding conductor; do not use flexible conduit for ground
continuity.
d.
Liquid tight conduit shall be used to connect equipment in mechanical
equipment rooms, exterior installations, kitchen areas, and where
equipment is subject to dripping oil, moisture, or corrosive
atmospheres.
Rigid aluminum conduit may be used where indicated on the drawings, or for all
trade sizes 3.0" and larger for conduits not installed in concrete slabs, not
installed in direct contact with earth, not installed in hazardous locations as
defined by Article 500 of the National Electrical Code, and not installed in areas
exposed to excessive moisture.
Where hazardous locations, as classified by the National Electrical Code, exist,
all conduits, seal-off fittings, and other accessories and the installation of these
materials shall comply with Article 500 of the National Electrical Code.
All raceways in direct contact with water in pools or fountains shall be
non-corrosive metal as required by Article 680 of the NEC.
All conduits for interior wiring systems whose voltage is above 600 volts shall
be RGS or IMC.
All conduits entering refrigerated spaces shall be RGS.
BOX INSTALLATION:
A.
All boxes shall be completely accessible as required by the NEC. Provide access panels in
any non-accessible spaces if required.
B.
Provide an outlet box for each lighting fixture and for each device. Boxes shall not be
smaller than indicated in this section of the specifications and shall be larger if required
by Article 370 of the National Electrical Code for the number and size of conductors
installed. Where lighting fixtures are installed in continuous rows, only one outlet box is
required.
CONDUITS AND BOXES
16130-10