rack support/slide assembly shall be a 520 mm 20 1/2 inch square 1.6 mm (16
gauge) 16 gauge gauge frame with two cross members. Two 25 by 3 mm 1 by
1/8 inch stainless steel angle rack guides shall be welded on top of the
frame at 500 mm 20 inches apart with ends flared at 45 degrees.
2.4.2.3
Prerinse Spray
A prerinse spray assembly shall be mounted on the backsplash of the dish
counter with vertical tubing, wall bracket, flexible gooseneck hose, and
self closing squeeze-type valve and spray.
2.4.2.4
Hose Bib Faucet
A hose bib faucet shall be mounted on a 2.7 mm (12 gauge) 12 gauge
stainless steel flange or inverted gusset below top of counter, which shall
be ground and polished to match counter top.
2.4.2.5
Undershelves
Undershelves shall be the solid type, and shall be constructed as specified
for open base shelves.
2.4.2.6
Scraping Trough
Scraping trough in the soiled dish counter shall be 1.9 mm (14 gauge) 14
gauge stainless steel with all corners 19 mm 3/4 inch coved, and shall be
integrally welded to the dish counter. Trough shall be 200 mm 8 inches
wide minimum and shall be sloped 1 percent 1/8 inch per foot or from 100 mm
4 inch depth to integral disposer or prewash sink. Long sides of trough
shall be formed on a 60 degree angle with a 13 by 13 mm 1/2 by 1/2 inch
recessed shoulder at juncture of the dish counter. Removable trough covers
shall be 197 by 500 mm 7-7/8 by 20 inch, 1.6 mm (16 gauge) 16 gauge
stainless steel, pan formed, and the top shall be perforated (13 mm 1/2 inch
diameter holes punched 38 mm 1-1/2 inches on center). One trough cover
shall be provided for each 900 mm 36 inches of trough. One inlet fitting
shall be installed at the shallow end of the scraping trough, and
intermediate inlet fittings shall be installed at 1200 mm 48 inches on
center. Inlet fittings shall be piped to a blending valve, vacuum breaker,
solenoid valve, and shall have a globe valve at each intermediate inlet.
Integral disposer sink shall be 450 by 450 by 188 mm 18 by 18 by 7-1/2
inches deep, 1.9 mm (14 gauge) 14 gauge stainless steel with all corners
coved, welded to dish counter/scraping trough and shall be fitted with a
removable silverware-trap. Removable flush cover shall be 1.6 mm (16
gauge) 16 gauge stainless steel, 13 mm 1/2 inch pan-formed, and perforated (
13 mm 1/2 inch holes punched at 38 mm 1-1/2 inches on center) with welded
corners. A finger ring shall be provided for the removal of the cover.
Support clips shall be 6 mm 1/4 inch diameter stainless steel rod, 50 mm 2
inches long, formed at 45 degree angle with two 19 mm 3/4 inch leg ends (6
mm 1/4 inch long threaded ends). Rod-clips shall be inserted through tight
clearance holes in sink corners, and sealed watertight and shall be secured
with stainless steel acorn-nuts or tack-welded at exterior of sink wall.
Support clips shall be set for a flush cover position (approximately 13 mm
1/2 inch below top). A solenoid valve shall be interconnected with the
disposer delay-relay control to initiate the blended water flow when the
disposer is activated. All inlet fittings shall have 13 mm 1/2 inch
[copper] [stainless steel] tubing from blending valve to inlet fittings.
Exposed fittings shall be chrome plated.
SECTION 11400A
Page 20
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