ABT, Inc. • PO Box 837 • 259 Murdock Road • Troutman, NC 28166
(800) 438-6057 • (704) 528-9806 • Fax: (704) 528-5478
Trench Former Cast-In-Place Trench Drain System
The Trench Former System™ is a pre-engineered, cast-in-place concrete forming system for forming trench drains, catch basins, oil/water separators, utility chases, and voids in concrete. Consisting of expanded polystyrene (EPS) form profiles, steel inlay rails with no-float legs, and drain grates and covers, the ABT Trench Former cast-in-place trench drain system eliminates hand-forming, heavy materials, keyways, and waterstops normally required with cast-in-place trench drains and utility chases.
Standardized Trench Drain Design
TF-14 Trench Former provides a 12" width trench drain with radius bottom and a 1.0% (1/8" per ft) built-in slope. MD200/MD300 Series Trench Former provides both 8" width and 12" width trench drains for roadway and general purpose applications. HD200/HD300 Series Trench Former provide both 8" width and 12" width trench drains for airports, ports, and other heavy duty applications.
Precision Engineering
Precision is engineered into the Trench Former cast-in-place trench drain system, eliminating the need for highly skilled and expensive labor. Accurate to within 1/16" (1.5 mm), the former shapes have longitudinal grooves for proper rail spacing, and integral deforming grooves for easy removal.
Low Cost Trench Drain Construction
The ABT Trench Former cast-in-place trench drain system requires no heavy machinery (except for excavation) and is in place in a fraction of the time of previous cast-in-place trench drain construction methods, reducing installed costs by at least 33%.
Easy Installation
A non-structural anchoring slab placed over the no-float legs holds the formwork firmly in place without elaborate anchoring. Concrete can then be placed monolithically, eliminating cold joints, keyways, and waterstop material between the trench drain floor and walls. Forms can be removed in 24 hours or can be left in place indefinitely, preventing unsafe open pits on the job site. There are no piping alignment problems because piping is butted to the formwork and cast-in-place.
Environmentally Sound
The Trench Former EPS forming medium is manufactured without chlorofluorocarbons for easy and safe disposal. The forming medium is recyclable, makes a high quality fuel for commercial incinerators, and is also landfillable.
Low Maintenance
The ABT Trench Former cast-in-place trench drain system components are designed for long service life. The steel rails are either powder epoxy coated or galvanized. Drain grates and covers are of uncoated ductile iron, grey iron, or galvanized steel. The trench drain built-in slope and radius bottom features help to eliminate debris buildup make the trench drain system virtually maintenance free.
Versatility
The strength of the Trench Former System is its ability to be economically modified to provide the correct solution. Trench width, depth, cross section shape, rail size, rail material, invert slope, system strength, etc. can be changed to meet the application's requirements.
The Trench Former cast-in-place concrete forming system for forming trench drains, catch basins, utility chases, and voids in concrete placement is manufactured by ABT Inc., the industry leader in modular drainage systems for commercial and industrial use.
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