final bid specs 09328.pdf - Freese and Nichols, Inc.

11. Install conduit other than PVC with threaded couplings and other threaded fittings.
Threadless, or clamp type fittings shall not be used on metallic conduit. Rigid aluminum
conduit shall have each set of threads coated with an oxidation inhibitor, Ilsco, De-Ox, ITT
Noalox, Blackburn Contax or approved equal.
12. Use PVC coated, rigid aluminum, factory elbows for bends in PVC conduit.
13. Use suitable conduit caps to protect installed conduit against entry of dirt and moisture.
14. Use watertight hubs to fasten conduit to metal boxes, etc. in wet or damp locations per
the National Electrical Code.
15. Install a pulling string in empty (spare) conduit, except sleeves and nipples, and leave for
future pulling as applicable.
D. TERMINATIONS
1. Use threaded hubs for termination of conduits. Locknut termination of conduits shall not
be used on this project.
2. Conduit terminations shall not penetrate the top of NEMA 4X and NEMA 3R enclosures.
E. HAZARDOUS AREAS
1. Install conduit seals at all penetrations to hazardous areas, as defined by the NEC and as
shown on the plans. Install additional seal-type fittings within the hazardous area in
accordance with the requirements of the NEC Article 500.
2. Install dam and sealing compound per the seal Manufacturer's instructions.
3. Provide flexible conduit which is listed for use in hazardous areas. Conduit, flexible
conduit, fittings and all other materials shall be listed for use in a Class I Division 2
Group(s) C&D atmosphere.
END OF SECTION
Conduits 26 05 33.01-6
DRP09328