Project Number: 228730
Issue Date: August 2017
WWTE SCADA Upgrades
Nashua, NH
Covers shall have captive screws and be accessible after the Work
has been completed.
3. Rigid Aluminum Conduit
a.
RAC, including couplings, elbows, bends, and nipples, shall
conform to the requirements of UL 6 and ANSI C80:5.
Fittings for rigid aluminum conduit shall be threaded and shall
conform to NEMA FB 1. Fittings shall be galvanized by the hot
dip process, unless manufacturer dictates aluminum for specific
application.
Gaskets shall be solid for fittings sized 1-1/2 inches and less.
Conduit fittings with blank covers shall have gaskets except in
clean, dry areas or at the lowest point of a conduit run where
drainage is required.
Covers shall have captive screws and be accessible after the work
has been completed.
4. PVC-Coated Rigid Metal Conduit
a.
Rigid galvanized metal conduit coated with 40 mils thick
polyvinylchloride coating.
Fittings, elbows, supporting devices and accessories shall include
factory applied 20 mils thick polyvinylchloride coating and be
manufactured by the same as that of the conduit.
Use tools as recommended by the manufacturer so as not to
damage PVC coating. Where coating is damaged, touch-up with
PVC paint in the field after installation.
5. Rigid Plastic Conduit
a.
PVC Schedule 40: Conduit shall be made of polyvinyl chloride
compound that shall be homogeneous plastic material free from
cracks, holes or foreign inclusions. Conduit shall be rated for use
with 90 degree C conductors, UL Listed. Use solvent cement to
join conduits as manufactured the same as the conduit
manufacturer.
PVC Schedule 80: Heavy wall PVC conduit that shall be made of
polyvinyl chloride compound that shall be homogeneous plastic
material free from cracks, holes or foreign inclusions. Conduit
shall be rated for use with 90 degree C conductors, UL Listed. Use
solvent cement to join conduits as manufactured the same as the
conduit manufacturer.
6. Flexible Metallic Conduit
WOODARD & CURRAN
RACEWAYS, BOXES AND SUPPORTING DEVICES
26 05 34-3
