ASME A112.19.3-2000 pdf download – Stainless Steel Plumbing Fixtures (Designed for Residential Use).
2.4 Dimensions and Tolerances
Fixtures shall conform to tile applicable dimensions and tolerances given herein. Where not otherwise indicated, a tolerance of plus or minus 1% shall apply. Maximum and minimum dimensions are not subject to a tolerance beyond the stated limits, except where given as nominal dimensions.
3 FIXTURE TYPES AND SIZES
3.1 Kitchen Sinks
Common types and sizes are:
(a) flat-rim sink, single compartment (see Table Al);
(b) flat-rim sink, double compartment (see Table A2);
(c) ledge-back sink, single compartment (see Table A3);
(d) ledge-back sink, double compartment (see Table A4);
(e) ledge-back sink and tray combinations (see Table A5);
(f) ledge-back two-level sink, double compartment (see Table A6);
(g) ledge-back sink, single compartment with single drainboard (see Table A7);
(h) ledge-back sink, double compartment with single drainboard (see Table A8);
(i) ledge-back sink, single compartment with double drainboard (see Table A9);
(j) ledge-back sink, double compartment with double drainboard (see Table AlO);
(k) cabinet sink top, single compartment with back and single drainboard (see Table A 11);
(1) cabinet sink top, single compartment with back and double drainboard (see Table A 12);
(m) cabinet sink top, double compartment with back and double drainboard (see Table A13);
(n) dishwasher/accessible sink (see Tables A14 and A15); and
(o) shallow sinks, similar to ledge-back sinks, single compartment [see para. 3.1(c) and Table A31, except that compartment depth is 3 in. (76 mm) minimum.
3.2 Bar Sinks
Common types and sizes are:
(a) ledge-back sink, single compartment (see Table Al6); and
(b) ledge-back sink, double compartment (see Table A17).
3.3 Lavatories (See Fig. Al)
Common types of flat-rim lavatories are rectangular, round, or oval; with or without back ledge; and with or without integral rims. Flanges shall be flat, rigid, and suitable for effective installation of the fixtures (see para. 4.2).
3.3.1 Lavatory Overflows. When provided, lavatory overflows shall have either a minimum cross- sectional area not less than l’/ in.2 (725 mm2) at every point in the passageway or shall have a minimum flow capacity (as specified in ASME Al 12.18.1 for lavatory faucets) when tested in accordance with para. 3.3.1.1. The location of the overflow shall be optional. The overflow point flood level of the slab shall be not more than 1/2 in. (13 mm) above the slab surface at the lowest point of the faucet bearings.
3.3.1.1 The lavatory shall be installed and leveled in a stand with the waste outlet closed or blocked. A water supply shall be adjusted and shall be supplied to the fixture at a flow rate as specified in ASME Al 12.18.1 for lavatory faucet. The elapsed time from the onset of water flowing into the overflow opening until the water begins to overflow the flood level shall be measured. The fixture shall drain for a minimum of 5 minutes without overflowing.
3.4 Outlets
(a) Outlets for kitchen sinks shall be as shown in Fig. 3.