WSU-WGPGF__Ghse._Growing_Zone_Bench_Specification.pdf

Washington State University – Wheat Grains Plant Growth Facility

A. Provide (60) 4’-8” w. x 15’-0” lg. greenhouse growing zone benches shall be “Ro-Flo

Greenhouse Benches” freestanding, floating aisle benches as manufactured by Rough Brothers, Inc., or approved equal as shown on the drawings GH-105, GH-400 and GH-40.

1. Bench height shall be 2'-0" from floor to expanded metal surface.

2. Bench support system shall be 14 ga., 1.25" square galvanized steel tubing spaced at a maximum of 6'-0" intervals. Legs shall be adjustable height to accommodate floor slopes.

3. Bench tops shall have 1.00” square galvanized steel tube cross pieces spaced at 12” on center, extruded aluminum side and end rails with 2" high perimeter edge and 3/4" hex #10 hot dip galvanized flattened expanded metal top surface.

4. Bench tops shall have anti-tip devises to prevent tipping of bench top.

5. Bench top corners to have safety plastic corner connectors integral to the side and end rail connections. Exposed metal corners are not acceptable

6. Two runs of 14 ga., 1.315 o.d. galvanized steel tubing shall be provided to support bench tops above the bench support system. Two runs of 14 ga., 1.315" o.d. galvanized steel tubing shall be installed 12" to 14” above floor. to stabilize the support system).

7. Extruded aluminum fittings with galvanized bolts and stainless steel screws shall be used to assemble the benches.

8. Bench support legs shall be attached to concrete floor with wedge anchors

9. Floating aisle bench design and layout must provide a minimum of 2’-0” clear aisle space between bench tops and bench support legs.