Louisiana Administrative Code, Chapter 4, Section XIV-415 - Fixture Types | Louisiana Administrative Code

A. Commercial Dishwashing Machines. The following applies to commercial dishwashing machines.

1. Protection. Commercial dishwashing machines shall meet the requirements of §609 B of this code.

2. Waste Connection. Each unit may be separately trapped or discharge indirectly into a properly trapped and vented fixture. A commercial dishwashing machine shall not be directly connected to a drainage system. When a commercial dishwashing machine is located within 5 feet of a trapped floor drain, the dishwasher waste outlet may be connected directly on the inlet side of a properly vented floor drain trap.

3. Sanitization. Commercial dishwashing machines shall be installed and operated in accord with the manufacturer's recommendations and with the mechanical cleaning and sanitizing requirements contained within Part XXIII (Eating and Drinking Establishments) of the Louisiana State Sanitary Code (LAC 51:XXIII).

4. Flow Pressure. When spray-type dishwashing machines are used in commercial installations, the pressure measured in the final rinse water line shall be at least 15 psi (103 kPa) and not more than 25 psi (172 kPa) when the final rinse spray is operating. A suitable pressure gauge and gage cock shall be provided in a readily accessible location immediately upstream from the final rinse sprays to permit checking the flow pressure of the final rinse water. If necessary, a permanently installed pressure regulator shall be provided on the final rinse water line in order to maintain the proper water pressure in the line when the final rinse spray is operating.

B. Domestic Dishwashing Machines. The following applies to domestic dishwashing machines.

1. Protection. Domestic dishwashing machines shall meet the requirements of §807. B of this code.

2. Waste Connection. Each unit may be separately trapped or discharge indirectly into a properly trapped and vented fixture. A domestic dishwashing machine shall not be directly connected to a drainage system. It may be connected through a wye connection into the tail piece of a sink or into the body of a disposal unit with the flexible dishwasher hose looped up to within 2 inches of the bottom of the counter top.

C. Drinking Fountains. The following applies to drinking fountains.

1. Design and Construction. Drinking fountains shall conform to ASME A 112.19.1 or CSA B45.2 if of enameled cast iron or enameled steel; or ASME A 112.19.2 or CSA B45.1 if of ceramic. Mechanically refrigerated drinking fountains shall also conform to ARI 1010. All drinking fountains shall conform to NSF 61.

2. Protection of Water Supply. Stream projectors shall be so assembled as to provide an orifice elevation as specified by ASME A 112.1.2.

3. Prohibited Location. Drinking fountains shall not be installed in public toilet rooms.

4. Minimum Required Separation from Contamination. Drinking fountain fixtures shall provide a minimum of 18 inches of separation from its water outlet (spigot) to any source of contamination. Combination sink/drinking fountain units shall provide a minimum of 18 inches between the drinking fountain water outlet (spigot) and the nearest outside rim of the sink bowl [or other source(s) of contamination].

a. Exception. This 18 inch minimum separation may only be reduced by the use of a vertical shield made of a smooth, easily cleanable surface that is attached flush with the top surface of the unit and extends to a distance at least 18 inches in height above the drinking fountain water outlet (spigot) level.

b. Prohibited Fixture. Combination sink/drinking fountain units which share the same sink bowl are prohibited except in individual prison cells.

5. Minimum Fixture Requirements. Water dispensing type drinking fountains which connect to the potable water distribution system but require the use of an individual cup or container shall be permitted to substitute for not more than 50 percent of the required number of drinking fountains. Bottled water-type dispensers are prohibited from counting toward the minimum required number of drinking fountains.

D. Garbage Can Washers. Garbage can washers shall be separately trapped. The receptacle receiving the wash from garbage cans shall be provided with a removable basket or strainer to prevent discharge of large particles into the building drainage system. Any water supply connection shall be protected against backflow by an air gap (water distribution) or an approved backflow prevention device.

E. Floor Drains. The following applies to floor drains.

1. Installation. The installation of floor drains shall comply with the following.

a. Floor drains shall connect into a trap so constructed that it can be readily cleaned and of a size to efficiently serve the purpose for which it is intended. The drain inlet shall be located so that it is, at all times, in full view and accessible.

b. Floor drains shall have a minimum 2-inch diameter drain outlet and connect to a trap no less than 2-inches in diameter.

c. Floor drains subject to backflow shall not be directly connected to the drainage system or shall be provided with a backwater valve.

d. Floor drains shall be provided with removable strainers meeting §807. G.2 of this code, the open area of which shall be not less than two-thirds of the cross-sectional area of the trap to which it connects.

2. Required Locations. Floor drains shall be installed in the following areas:

a. Floor drains shall be installed in all public toilet rooms, etc., (see definition of Public or Public Use in Chapter 2 of this code) and shall be fed (the water seal replenished) by an approved automatic trap priming device meeting the requirements of and installed in accordance with §415. E.4.a, §415. E.4.b, or §415. E.4.c of this code.

i. Exceptions

(a). Floor drains are not required in the toilet rooms serving hotel/motel guest rooms or patient rooms of hospitals and nursing homes.

(b). In existing ground floor construction, the addition of floor drains in public toilet rooms is only required when substantial renovation or fixture additions to the public toilet room(s) occurs which requires the concrete slab to be broken or when a serious health threat to the public exists.

b. In public coin operated laundries and in the central washing facilities of apartment buildings or in rooms containing connections for laundry machines except in one and two family dwellings, the rooms containing the laundry machines shall be provided with adequate floor drains located to readily drain the entire floor area. When such floor drains are not embedded in concrete, the floors shall be properly lined as required by §415. I.2 of this code and the required floor drains shall meet the design criteria for shower drains in §415. I.1 of this code.

c. Recess rooms located within medical facilities which contain the recessed or concealed portions of sterilizers shall be provided with a minimum of one acceptable floor drain in accordance with §1305. C.2 of this code.

d. Each toilet room and laundry room in the service buildings of travel trailer parks shall be provided with a minimum 2-inch floor drain in accordance with §1509. F of this code.

3. Prohibited Locations. The following applies to prohibited locations of floor drains.

a. No floor drain or other plumbing fixture except electric water heaters shall be installed in a room containing air handling machinery when such room is used as a plenum. When rooms are used as a plenum, equipment drains shall be conveyed through an indirect waste receptor located outside such rooms or other approved point of disposal.

b. Floor drains directly connected to the plumbing system shall not be located in elevator pits.

c. No floor drains shall be permitted in food storage areas unless installed in accordance with §807. A of this code.

d. Floor drains are not permitted in walk-in coolers or freezers unless they are provided with indirect connections to the sanitary sewer located outside the walk-in cooler or freezer.

4. Trap Seal Protection. Floor drain or similar traps shall be regularly and automatically fed (the water seal replenished) by the addition of water, liquid waste, or industrial waste (such as the normal and regular operation of a plumbing fixture or condensate waste draining thereto) into the floor drain or, in lieu thereof, shall be protected by the use of:

a. an ASSE 1018 automatic trap priming device (see §625. D of this code);

b. an electronic potable water supply fed trap priming device meeting ASSE 1044 (see §625. D of this code);

c. a drainage type device meeting ASSE 1044 which captures liquid wastes only from:

i. the tail piece of a lavatory;

ii. the discharge side of the atmospheric vacuum breaker located downstream of a flushometer valve servicing a water closet or a clinical sink (the take off point on the discharge pipe must be at least 4" below the critical level of the vacuum breaker); or,

iii. the refill/hush tube of ballcocks (only on ballcocks that utilize an atmospheric vacuum breaker in accordance with the requirements of §609. C.2 of this code).

d. an ASSE 1072 listed barrier type floor drain trap seal protection device; or,

e. a combination of the methods listed above, i.e., the use of an ASSE 1072 device in addition to the use of either an ASSE 1018 or ASSE 1044 automatic trap priming device.

F. Food Waste Grinder Units. The following applies to food waste grinder units.

1. Separate Connections. Domestic food waste disposal units may be connected and trapped separately from any other fixture or compartment. Units may have either automatic or hand-operated water-supply control. See §609 of this code.

2. Commercial Type Grinders. Food grinders used in commercial buildings shall have an automatic water-supply and shall be provided with not less than 2-inch (51mm) waste line. Each waste line shall be trapped and vented as provided in other Sections of this code (see §1005. K.1 of this code).

G. Laundry Trays. The following applies to laundry trays.

1. Waste Outlets. Each compartment of a laundry tray shall be provided with a waste outlet not less than 1 1/2 inches in diameter.

2. Overflow. Laundry tray overflows shall conform to the requirements of §413. D of this code.

H. Multiple Washsinks. The following applies to multiple washsinks.

1. Circular Type. Each 18 inches (457 mm) of wash sink circumference (circular type), when provided with water outlets for such space, shall be equivalent to one lavatory.

2. Straight-Line Type. Multiple wash sinks of the straight-line type shall have hot and cold combination spouts not closer than 24 linear inches (610 mm) from adjacent similar spouts and each spout shall be considered the equivalent of one lavatory.

I. Shower Compartments. The following applies to shower compartments.

1. Shower. Shower compartments shall conform to Table 415.I of this Part and shall have approved shower pan material or the equivalent thereof as determined by the plumbing official. The pan shall turn up on three sides at least 2 inches (51 mm) above finished curb level. The remaining side shall wrap over the curb. Shower drains shall be constructed with a clamping device so that the pan may be securely fastened to the shower drain thereby making a watertight joint. Shower drains shall have an approved weephole device system to insure constant drainage of water from the shower pan to the sanitary drainage system. There shall be a watertight joint between the shower drain and trap. Shower receptacle waste outlets shall be not less than 2 inches and shall have a removable strainer.

a. Exception. Shower compartments with prefabricated receptors conforming to the standards listed in Table 415.I of this Part, or special use shower compartments for accessible use which comply with the ANSI A117.1 accessibility standard.

Table 415.I Prefabricated Shower Receptor Standards
Materials	Standards
Plastic Bathtub and Shower Units	ANSI Z124.1.2
Chlorinated Polyethylene (CPE) Sheeting for Concealed Water-Containment Membrane	ASTM D 4068
Polyvinyl Chloride (PVC) Plastic Flexible Concealed Water-Containment Membrane	ASTM D 4551, See §303. G.7 of this code

2. Construction. Floors under shower compartments shall be laid on a smooth and structurally sound base and shall be lined and made watertight with sheet lead, copper or other acceptable materials.

3. Public or Institutional Showers. Floor of public shower rooms shall be drained in such a manner that no waste water from any shower head will pass over floor areas occupied by other bathers.

J. Special Fixtures. The following applies to special fixtures.

1. Water Drain and Connections. Baptistries, ornamental and lily pools, aquaria, ornamental fountain basins and similar constructions when provided with water supplies shall be protected from backsiphonage as required in §609. A and Table 609.F.6 of this code.

2. Approval. Specialties requiring water and waste connections shall be submitted for approval of the plumbing official.

3. Accessible Fixtures. Accessible fixtures shall comply with the requirements of ANSI A117.1.

K. Swimming Pools, Spas, and Hot Tubs. The following applies to swimming pools, spas, and hot tubs.

1. Water Circulation System Components. Water circulation system components and disinfectant equipment for swimming pools, spas or hot tubs shall meet the requirements of NSF 50. [For other swimming pool and spa requirements, also see Part XXIV (Swimming Pools) - Louisiana State Sanitary Code (LAC 51:XXIV)]

2. Suction Fittings. Suction fittings shall conform to ASME A 112.19.8 or APSP 16. Public, Residential Spas shall comply with the standards listed in the following Table 415.K below.

Table 415.K Public and Residential Spas Standards
Materials	Standards
Public Spas	APSP-2
Residential Spas, Permanently Installed	APSP-3
Residential Spas, Portable	APSP-6

L. Urinals. The following applies to urinals.

1. Automatic Flushing Tank. Tanks flushing more than one urinal shall be automatic in operation and of sufficient capacity to provide the necessary volume to flush and properly cleanse all urinals simultaneously.

2. Urinals Equipped with Automatic Flush Valves. Flushometers shall be as prescribed in §415. N.5 of this code and no valve shall be used to flush more than one urinal.

3. Nonwater Urinals. Nonwater urinals shall conform with LAC 51:XIV.409.A.2.

4. Trough Urinals. Trough urinals may only be used for stadiums, arenas, and jails, prisons, or other institutions of detention or incarceration. Trough urinals, when used, shall conform to the following requirements:

a. Shall not be less than 6 inches deep and shall be furnished with one piece backs and have strainers with outlets at least l 1/2 inches in diameter.

b. The washdown pipe shall be perforated so as to flush with an even curtain of water against the back of the urinal. This pipe shall be securely clamped as high as practicable to the back of the urinal. Trough urinals, where so equipped, shall have tanks with a flushing capacity of not less than 1 1/2 gallons of water for each 2 feet of urinal length.

c. Trough urinals shall be figured on the basis of one urinal for each 18 inches of length, provided that: 24-inch urinal equals 1 urinal; 36-inch urinal equals 2 urinals; 48-inch urinal equals 2 urinals; 60-inch urinal equals 3 urinals; and a 72-inch urinal equals 4 urinals.

5. Privacy. Privacy walls or partitions shall be provided for each urinal within public use and employee use toilet rooms used by males. Such walls or partitions shall conform to the following:

a. The wall or partition finish surface shall be non-absorbent, smooth, and easily cleanable.

b. The walls or partitions shall begin at a height of not more than 14 inches above the finished floor surface and shall extend not less than 60 inches above the finished floor surface.

c. The walls or partitions shall extend from the wall surface at each side of the urinal a minimum of 18 inches or to a point not less than 6 inches beyond the outermost front lip of the urinal measured from the finished back wall surface, whichever is greater.

i. Exceptions. The following conditions shall constitute an exception (or a partial exception) to the requirement for privacy walls or partitions for each urinal within public use toilet rooms used by males:

(a). toilet rooms having wall-hung trough urinals only (which are currently only allowed in stadiums, arenas, and in jails, prisons, and other places of detention or incarceration);

(b). toilet rooms used by children less than 5 years of age which are located in day care and child-care facilities and which contain two or more urinals shall be permitted to have one urinal without privacy walls or partitions; or,

(c). toilet rooms located in jails, prisons and other places of detention or incarceration.

M. Washing Machines for Residences. The following applies to washing machines for residences.

1. Protection. Domestic washing machines shall meet the requirements of §609. A of this code.

2. Separate Trap. Each unit shall be separately trapped or discharge indirectly into a properly trapped and vented fixture (see §1001. I of this code).

3. Cross Fittings. Automatic washing machines shall not be connected to a 2-inch or smaller cross-type fitting.

4. Central Facilities. When central washing facilities are provided in lieu of washing machine connections in each living unit, central facilities shall be located for the building served at the ratio of not less than one washing machine for each 12 living units, but in no case less than two machines for each building of 15 living units or less. See §415. E.2.b of this code.

N. Water Closets. The following applies to water closets.

1. Public Use. Water closet bowls for public use including, but not limited to, hotel and motel guest rooms and patient rooms of hospitals and nursing homes shall be of the elongated type.

2. Flushing Device. Water closet gravity, tanks, flushometer tanks and flushometer valves shall have a flushing capacity sufficient to properly flush the water closet bowls to which they are connected.

3. Float Valves. Float valves in water closet tanks shall close tight and provide water to properly refill the trap seal in the bowl.

4. Close-Coupled Tanks. The flush valve seat in close-coupled water closet combinations shall be 1 inch (25.4 mm) or more above the rim of the bowl, so that the flush valve will close even if the closet trapway is clogged. Any closets with flush valve seats below the rim of the bowl shall be so constructed that in case of trap stoppage, water will not flow continuously over the rim of the bowl.

5. Automatic Flush Valve. Flushometers shall be so installed that they will be readily accessible for repairing. When the valve is operated, it shall complete the cycle of operation automatically, opening fully and closing positively under the service pressure. At each operation, the valve shall deliver water in sufficient volume and at a rate that will thoroughly flush the fixture and refill the fixture trap. Means shall be provided for regulating flush valve flow. Not more than one fixture shall be served by a single flush valve.

6. Seats. Water closets shall be equipped with seats of smooth nonabsorbent material. All seats of water closets provided for public use including, but not limited to, hotel and motel guest rooms and patient rooms of hospitals and nursing homes shall be of the open-front type. Integral water closet seats shall be of the same material as the fixture. The seat contour shall be the same contour as the water closet.

7. Water Closet Compartment. Each water closet utilized by the public or employees shall occupy a separate compartment with walls or partitions and a lockable door enclosing the individual fixture to ensure privacy. Such walls or partitions shall conform to the following:

a. The wall or partition finish surface shall be non-absorbent, smooth, and easily cleanable.

b. The walls or partitions shall begin at a height of not more than 14 inches above the finished floor surface (except when same would be higher than the bowl rim of a child-sized toilet) and shall extend not less than 66 inches above the finished floor surface. For child-sized toilets, the walls or partitions shall begin at a height no higher than the bowl rim of the child-sized toilet.

i. Exceptions. The following conditions shall constitute an exception (or a partial exception) to the requirement for separate compartments for each water closet:

(a). toilet rooms containing only a single water closet (or only a single water closet and lavatory) with a lockable door;

(b). toilet rooms located in day care and child-care facilities which care for children less than 5 years of age and containing two or more water closets shall be permitted to have one water closet without an enclosing compartment; or,

(c). toilet rooms located in jails, prisons and other institutions of detention or incarceration.

O. Whirlpool Bathtubs. The following applies to whirlpool bathtubs.

1. Access. An access panel of sufficient size shall be installed to provide access to the pump for repair and replacement.

2. Pump. When not factory assembled to the tub assembly, the circulation pump shall be accessibly located above the crown weir of the trap. The pump drain line shall be properly graded to assure minimum water retention in the volute after fixture use.

3. Operation. Leak testing and pump operation shall be performed in accordance with manufacturer's recommendations.

4. Hydro-massage Bathtubs. Hydro-massage bathtubs shall comply with ASME A 112.19.7.

5. Whirlpool Bathtub Appliances. Whirlpool bathtub appliances shall comply with ASME A 112.19.7.

6. Suction Fittings. Suction fittings for use in whirlpool bathtubs shall comply with ASME A 112.19.8 or APSP 16.

Louisiana Administrative CodeTitle 51 - PUBLIC HEALTH-SANITARY CODEPart XIV - PlumbingChapter 4 - Plumbing FixturesSection XIV-415 - Fixture Types

Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XIV - Plumbing
Chapter 4 - Plumbing Fixtures
Section XIV-415 - Fixture Types