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Preform
Trench Drain Specifications
Suggested specifications for
Preform Trench Drain
General:
Preform pouring boxes shall
be as manufactured by Preform, constructed of 12 or 13 gauge
galvanized sheet metal available in four, five or six foot
lengths, with galvanized, welded flanges, precision-drilled
to provide a proper non-rocking bed for either steel or cast
iron grating of proper thickness.
Grating is available in the
following types:
Type 1 - Standard
strength steel, welded and framed bar type grates.
Type 2 - Re-enforced
steel grating by means of 2 - 1/4" x 2" bars welded long
direction, underneath to each width bar.
Type 4 - Cast Iron
grating, proper thickness (1 1/4" or 1 1/2"), in 2 foot
lengths. (Class 30 Gray Iron or 30,000 lb. tensile
strength.)
Type 5 - 1/4" Diamond
plate, solid cover, with welded spacers to fit boxes of
1 1/4" OR 1 1/2" height to provide proper flush grade
level.
Preform boxes are open-bottom
design to permit drainage outlets at any location in the
strip. Boxes are to be surrounded by concrete of adequate
thickness - minimum thickness of 4 to 6 inches.
Hold down devices are
provided and also joining hardward. Also available are end
plates for ends or corners of strips.
Preform grates are available
in grating size of 6", 8", 10", 12", 14", 17", 23" and 27"
widths. Preform boxes are 2" narrower to provide bed for
grates.
Flanged openings are
available to provide elbows, crosses or tees in design
layout. Sumps or catch basins in galvanized sheet metal (for
pouring-in-place) are available.
Call
(800) 362-1384 or contact us
to place your order.
Other products in catalog, call (800) 362-1387 for pricing
and catalog request.
Pricing
Information
Preform Trench Drain Company
Authorized Distributor: Service Station Equipment Company
1294 East 55th Street
Cleveland, Ohio 44103
Phone (216) 431-6100
Fax (216) 431-0230
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