Buffalo Wild Wings

3. Conduits shall not obstruct head room, walkways or doorways.
4. Conduits shall be secured to cabinets, junction boxes, pull boxes and outlet
boxes by bonding type locknuts. Rigid and IMC conduit installations shall have a
locknut on outside of enclosure and locknut and bushing on inside of enclosure.
EMT installations may have a single locknut on inside of enclosure, wrench tight.
Conduit connections shall not be made to junction box covers.
5. Provide a pull wire in empty conduits, consisting of one No. 12 steel or copper
wire or heavy duty nylon cord for small conduits and nylon rope for large
conduits.
6. Arrange conduit supports to prevent distortion of alignment by wire pulling
operations. Conduit shall be fastened using straps or clamps, lay-in adjustable
hangers, clevis hangers or bolted split galvanized hangers secured to structure
with machine screws, expansion sleeves or lead anchors. Spring steel type
supports or fasteners shall be permitted for concealed 1/2-inch EMT only. Chain,
wire or perforated straps shall not be used to support or fasten conduit.
7. Conduit support spacing shall be provided as required by the NEC, but in no
case shall the maximum spacing of supports exceed six feet for conduits smaller
than 1-inch trade size and 10 feet for conduits 1-inch trade size and larger.
8. Group conduits in parallel runs where practical using conduit racks constructed of
steel channel with conduit straps/damps or trapeze hangers with U-bolts or other
approved fasteners.
9. Fasteners shall be sized and designed for intended use. Fasteners, in solid
masonry or concrete, shall be steel or malleable iron concrete inserts, 1/4-inch
minimum diameter steel expansion anchors embedded not less than 1 1/8-inches
or 1/4-inch minimum diameter power set fasteners with depth of penetration at
least three inches. Hollow masonry anchors shall be toggle bolts, hollow wall
fasteners, or concrete block anchors. Sheetmetal screws shall be used on metal
studs and wood screws used on wood construction. Attachment by wood plugs
or wood blocking is not permitted.
3.2 CONDUIT INSTALLATION
A. General Requirements: All raceways shall be installed in accordance with the NECA
Standard of Installation:
1. Cut conduit square using a saw or pipe cutter; de-burr cut ends.
2. Bring conduit to shoulder of fittings and couplings and fasten securely.
3. Use conduit hubs or sealing locknuts for fastening conduit to cast boxes and for
fastening conduit to sheetmetal boxes in damp or wet locations.
4. Install no more than equivalent of four 90-degree bends between boxes for
power circuits and two 90-degree bends for low voltage and communications
circuits.
5. Avoid moisture traps where possible. Where unavoidable, provide junction box
with drain fitting at conduit low point. Outdoor conduits shall be graded a
minimum of six inches per one-hundred feet with no traps.
6. Coordinate all conduits with other trades. Consult with Mechanical Contractor
before installing conduits for electrical feeders so that conflicts between locations
of conduit runs, piping, and ductwork will be adjusted prior to installation. In
general, large pipe mains and air ducts shall be given priority in available space.
Conduit runs shall be installed so as to maintain, wherever practical, a minimum
separation of three inches from water and waste piping and six inches from
steam piping.
7. Provide sealing fittings, to prevent passage of water vapor, where conduits pass
from warm to cold locations.
8. Drilling, cutting, and patching required for conduit installation shall be as
described in Section 16012.
CONDUITS AND FITTINGS
16111-4