ASME A112.19.3-2008 pdf free download.Stainless steel plumbing fixtures
4.4 Waste fitting openings, drainage, and overflows
4.4.1 Waste fitting openings and drainage
4.4.1.1 Fixtures shall
(a) have a waste fitting opening (outlet), the centre of which shall be located at the lowest point of the fixture; and
(b) drain to the waste outlet.
4.4.1.2 Except when proprietary (i.e., non-standard) waste fittings are provided by the manufacturer, the dimensions of waste outlets shall be as shown in Figure 1 .
4.4.1.3 Factory-supplied waste fittings shall comply with ASME A1 1 2.1 8.2/CAN/CSA-B1 25.2.
4.4.2 Overflows
4.4.2.1 Provision and positioning
Overflows in lavatories, sinks, and bidets may be provided at the option of the manufacturer. When overflows are provided, the manner in which they are positioned shall be at the option of the
manufacturer.
4.4.2.2 Cleaning
When provided, overflows in sinks intended for food preparation (e.g., kitchen and bar sinks) shall not be concealed and shall be accessible for disassembly and cleaning after installation.
4.5 Additional requirements for water closets
Water closets and their flushing devices shall comply with the applicable requirements of ASME A1 1 2.1 9.2/CSA B45.1 , except that the
(a) structural integrity test shall be conducted in accordance with Clause 5.5.1 ; and
(b) minimum thickness requirements for vitreous china shall not apply.
4.6 Additional requirements for urinals
Urinals and their flushing devices shall comply with the applicable requirements of ASME A1 1 2.1 9.2/
CSA B45.1 , except that the
(a) structural integrity test shall be conducted in accordance with Clause 5.5.3; and
(b) minimum thickness requirements for vitreous china shall not apply.
4.7 Additional requirements for lavatories, sinks, and bidets
4.7.1 Openings and mounting surfaces for supply fittings
4.7.1.1 When provided, openings and mounting surfaces for lavatory, sink, and bidet supply fittings shall be as shown in Figures 2 to 6, except when proprietary (i.e., non-standard) supply fittings are provided by the manufacturer.
4.7.1.2 Factory-supplied lavatory, sink, and bidet supply fittings shall comply with ASME A1 1 2.1 8.1 / CAN/CSA-B1 25.1 .
4.7.1.3 Mounting surfaces for supply fittings that rely on an air gap for backflow protection shall be not more than 1 3 mm (0.5 in) below the flood level rim.
Note: Care should be taken to ensure that the minimum air gap specified in ASME A112.18.1/CAN/CSA-B125.1 or in the applicable plumbing code is not compromised when supply fittings are installed on fixtures with mounting surfaces below the flood level rim.
4.7.2 Laundry or utility sink capacity
The minimum capacity of at least one compartment of a laundry or utility sink shall be 60 L (1 5.9 gal).
4.8 Additional requirements for bathtubs and shower bases
4.8.1 Minimum dimensions for bathtubs
The minimum dimensions for bathtubs shall be as shown in Figure 7.
4.8.2 Slope to the waste outlet
Bathtubs and shower bases shall have a maximum slope of 4% to the waste outlet.
Note: There should be a minimum slope of 1% to the waste outlet.
4.8.3 Flanges
Bathtubs and shower bases intended for installation against a wall shall incorporate a flange raised at least 8 mm (0.3 in) above the rim. The flange shall be
(a) integral with the bathtub or shower base;
(b) added to an island tub or shower base in the factory; or
(c) field installed using a flange kit that complies with Clause 5.3 and includes all necessary parts and fasteners.
Fixtures using field-installed flanges shall be marked in accordance with Clause 6.4.
Note: Flanges are also referred to as beads.
4.9 Additional requirements for drinking fountains
4.9.1 Drinking fountains shall
(a) include a supply fitting, which shall be at least 25 mm (1 .0 in) above the flood level rim; and
(b) comply with the dimensions shown in Figure 8.
Note: Drinking fountain supply fittings are also known as drinking fountain bubblers.
4.9.2 Factory-supplied drinking fountain supply fittings shall comply with ASME A1 1 2.1 8.1 /CAN/CSA-B1 25.1 ,including the toxicity requirements.
4.10 Accessible design fixtures
Fixtures designed to be accessible shall comply with the dimensional requirements specified in CAN/CSA-B651 or ICC/ANSI A1 1 7.1 .ASME A112.19.3 pdf download.ASME A112.19.3-2008 pdf free download
