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Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 4 - Plumbing Fixtures › Section XIV-409 - Water Conservation

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Plumbing fixtures and plumbing fixture fittings shall conform to the following
				requirements.
1. New or replacement water
				closets, urinals, sink faucets, lavatories or shower heads shall not be
				installed with a flow rate or flush volume in excess of the maximum specified
				in Table 409 of this code below, when tested in accordance with the provisions
				of the applicable ASME Standard listed in Table 407 of this code.
Table 409
Maximum Allowable
Water Usage For Plumbing
							 Fixtures1
Fixture
Max Usage
Lavatory, private
2.2 gpm at 60 psi
Lavatory, public (metering)
0.26 gallons per metering cycle
Lavatory, public (other than metering)
0.5 gpm at 60 psi
Shower Head/Handheld Shower
2.5 gpm at 60 psi
Sink Faucet
2.2 gpm at 60 psi
Urinals
1.0 gal/flushing cycle
Water Closet
1.6 gal/flushing cycle
NOTES:
1.
				Maximum allowable water usage for plumbing fixtures and fixture fittings not
				listed in this table should conform to the applicable ANSI or ASME standard
				listed in Table 407 of this code. Blowout fixtures, vegetable sprayers,
				clinical sinks, service sinks, hose bibbs and emergency showers sinks shall be
				exempted from these limitations.
2.
				Nonwater Urinals. Nonwater urinals shall be listed and comply with the
				applicable standard(s) referenced in Table 407. Nonwater urinals shall have a
				barrier liquid sealant to maintain a trap seal. Nonwater urinals shall permit
				the uninhibited flow of waste through the urinal to the sanitary drainage
				system. Nonwater urinals shall be cleaned and maintained in accordance with the
				manufacturer's instructions after installation. Where nonwater urinals are
				installed they shall have a water distribution line roughed-in above each
				urinal location to allow for the installation of approved water-use type
				urinals in the event of a retrofit.
3. Self-closing metering faucets shall be
				installed on lavatories intended to serve the transient public, such as those
				in, but not limited to, service stations, train stations, airports,
				restaurants, and convention halls. Self-closing metering faucets used on
				lavatories or other hand-washing fixtures shall provide a flow of water for at
				least 15 seconds without the need to reactivate the faucet. Self-closing
				faucets which are designed to close immediately upon the release of the handle
				are prohibited for use on lavatories or other type of hand-washing
				fixtures.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 4 - Plumbing Fixtures › Section XIV-411 - Minimum Plumbing Fixtures

Current through Register Vol. 50, No. 6, June 20, 2024
A. General. The following general
				requirements are to be used when applying Table 411 of this Part.
1. Restroom Plumbing Fixtures.
				Notwithstanding the provisions of LAC 51:I.123.A.2, in new construction,
				substantial renovation or building additions and in changes of occupancy
				classification or real property ownership, at least the minimum type(s) of rest
				room plumbing fixtures provided for in this Section shall be installed, and the
				minimum number of each type of restroom plumbing fixture shall be in accordance
				with Table 411 of this Part. The term "substantial renovation" as used in this
				Paragraph includes, but is not limited to, a renovation/operational change
				which would trigger the need, pursuant to the requirements of Table 411 of this
				Part, for additional restroom plumbing fixtures to be installed, even if the
				occupancy classification itself may not have changed.
a. Exception
i. When only a real property ownership change
				occurs, restroom plumbing fixture upgrades to meet the minimum plumbing fixture
				requirements contained in this Section and Table 411 of this Part are not to be
				blindly enforced if the state health officer/Office of Public Health has
				assurances that the prior or existing business held a food permit (e.g.,
				grocery store, restaurant, etc.) under LAC 51:XXIII and the prospective new
				business owner agrees, in writing to the state health officer/Office of Public
				Health, to operate the business in exactly the same manner as the prior or
				existing business owner (e.g., parents sell a business to their children who
				will operate the business in exactly the same manner) and there have been no
				documented complaints, within the past five years, about:
(a). a lack of toilet room
				fixtures;
(b). urination in
				non-restroom fixtures or floor areas within the building; or
(c). urination on the outside of the building
				or the premises or adjoining lots or areas, etc.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 4 - Plumbing Fixtures › Section XIV-413 - Fixture Outlets

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Lavatory Waste Outlets. Lavatories shall have waste outlets not less than 1
				1/4-inch diameter. Waste outlets may have open strainers or may be provided
				with stoppers.
B. Sink Waste
				Outlets. Sinks shall be provided with waste outlets not less than 1 1/2-inch
				diameter. Waste outlets may have open strainers or may be provided with
				stoppers.
C. Strainers and Fixture
				Outlets. All plumbing fixtures, other than water closets and siphon-action
				washdown or blowout urinals, shall be provided with strainers having waterway
				area complying with Table 407 of this code.
D. Overflows. The following applies to
				overflows for plumbing fixtures.
1. Design.
				When any fixture is provided with an overflow, the waste shall be so arranged
				that the standing water in the fixture cannot rise in the overflow when the
				stopper is closed or remain in the overflow when the fixture is
				empty.
2. Connection. The overflow
				pipe from a fixture shall be connected on the house or inlet side of the
				fixture trap, except that overflows of flush tanks may discharge into the water
				closets or urinals served by them, but it shall be unlawful to connect such
				overflows with any other part of the drainage system.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 4 - Plumbing Fixtures › Section XIV-415 - Fixture Types

Current through Register Vol. 50, No. 6, June 20, 2024
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.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 4 - Plumbing Fixtures › Section XIV-417 - Additional Provisions for Plumbing Fixtures

Current through Register Vol. 50, No. 6, June 20, 2024
A. Additional provisions for plumbing
				fixtures are contained in Chapter 13, Medical Facilities Plumbing Systems, of
				this code.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-501 - General

Current through Register Vol. 50, No. 6, June 20, 2024
A. Scope. The
				provisions of this Chapter shall govern the materials, design, and installation
				of water heaters.
B. Working
				Pressure Identification. All storage tanks and water heaters shall be clearly
				and indelibly marked showing the allowable safe working pressure.
C. Water Heater as Space Heater. A water
				heater may be used as a part of a space heating system if the outlet water
				temperature of the water heater does not exceed 160°F (71°C) and the potability
				of the water is maintained throughout the system.
D. Sediment Drains. A suitable water valve or
				cock, through which sediment may be drawn off or the heater or tank emptied,
				shall be installed at the bottom of the heater or tank.
E. Location. The following applies to the
				location of water heaters and/or associated storage tanks.
1. Water heaters and storage tanks shall be
				so located and connected that they will be accessible for observation,
				maintenance, servicing and replacement.
2. Gas water heaters in residential garages
				shall be installed so that all burners and burner ignition devices are located
				not less than 18 inches above the floor.
3. Gas water heaters shall be located, or
				reasonably protected, so that they are not subject to physical damage by a
				moving vehicle.
4. Every attic or
				furred space in which water heaters and/or storage tanks are installed shall be
				readily accessible by an opening and passageway as large as the largest piece
				of equipment and in no case less than 22 x 36 inches (559 x 914 mm) continuous
				from the opening to the equipment and its controls. The opening to the
				passageway should be located not more than 20 ft (6096 mm) from the equipment
				measured along the center line of such passageway. Every passageway shall be
				unobstructed and shall have solid continuous flooring not less than 24 inches
				(610 mm) wide from the entrance opening to the equipment. On the control side
				and on other sides where access is necessary for servicing of equipment, a
				level working platform extending a minimum 30 inches (762 mm) from the edge of
				the equipment with a 36 inch (914 mm) high clear working space shall be
				provided.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-503 - Standards

Current through Register Vol. 50, No. 6, June 20, 2024
A. Electric Water
				Heaters. Electric residential water heaters shall comply with UL 174.
B. Gas Water Heaters. Automatic storage type
				gas water heaters with inputs of 75,000 Btuh (22 kW), or less shall comply with
				ANSI Z21.10.1 or CSA 4.1. Circulating tank, instantaneous and large automatic
				storage type gas water heaters shall comply with ANSI Z21.10.3 or CSA
				4.3.
C. Testing and Listing. Water
				heaters shall be tested and listed by an approved agency.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-505 - Minimum Capacities for Residential Water Heaters

Current through Register Vol. 50, No. 6, June 20, 2024
A. Water heaters installed in residential
				occupancies may be sized in accordance with the following Table 505.
Table 505
Minimum Capacities For Water
							 Heaters1,2
Number of Bathrooms
1 to 1.5
2 to 2.5
3 to 3.5
Number of Bedrooms
1 2 3
2 3 4 5
3 4 5 6
First Hr Rating Gal.
42 54 54
54 67 67 80
67 80 80 80
Nom. Tank Size, Gal.
Gas Water Heaters
20 30 30
30 40 40 50
40 50 50 50
Elect. Water Heaters
30 50 50
50 66 66 80
66 80 80 80
Oil Water Heaters
30 30 30
30 30 30 30
30 30 30 30
NOTES:
1. The main
				criteria for a properly sized water heater is a sufficient first hour rating to
				meet peak hot water demand. The majority of tank sizes shown in the table will
				have a first hour rating equal to or greater than the first hour rating
				indicated. A water heater with a smaller tank size than shown in the table but
				with a sufficient first hour rating shall be permitted.
2. The first hour rating is found on the
				"Energy Guide" label.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-507 - Prohibited Installations

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Water heaters (using solid, liquid or gas fuel) with the exception of those
				having direct vent systems, shall not be installed in bathrooms and bedrooms or
				in a closet with access only through a bedroom or bathroom. However, water
				heaters of the automatic storage type may be installed as replacement in a
				bathroom, when specifically authorized by the plumbing official, provided they
				are properly vented and supplied with adequate combustion air.
1. Exception. When a closet, having a
				weather-stripped solid door with an approved door closing device, has been
				designed exclusively for the water heater and where all air for combustion and
				ventilation is supplied from outdoors.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-509 - Connections

Current through Register Vol. 50, No. 6, June 20, 2024
A. A shutoff valve
				shall be provided in the cold water branch line to each water storage tank or
				each water heater, on the same floor within 3 feet of the heater. Full port
				ball valve shut-offs on cold water branch lines to 2 inches or full port ball
				or resilient wedge-type shut-off valves for 2 1/2-inch lines and larger shall
				be used. The valving shall not interfere or cause a disruption of the cold
				water supply to the remainder of the cold water system.
B. The method of connecting a circulating
				water heater to the tank shall assure proper circulation of water through the
				heater, and permit a safe and useful temperature of water to be drawn from the
				tank. The pipe or tubes required for the installation of appliances which will
				draw from the water heater or storage tank shall be subject to the applicable
				provisions of this code for material and installation.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 5 - Water Heaters › Section XIV-511 - Safety Devices

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Anti-Siphon and Vacuum Relief Devices. Anti-siphon and vacuum relief devices
				shall be provided and installed in accord with the following.
1. Means acceptable to the plumbing official
				shall be provided to prevent siphoning of any water heater or tank to which any
				water heater or tank is connected. A cold water "dip" tube with a hole at the
				top or a vacuum relief valve installed in the cold water supply line above the
				top of the heater or tank may be accepted for this purpose.
2. Bottom fed heaters or bottom fed tanks
				connected to water heaters shall have a vacuum relief valve installed. The
				vacuum relief valve shall be in compliance with the appropriate requirements of
				ANSI Z21.22 or CSA 4.4M.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-601 - General

Current through Register Vol. 50, No. 6, June 20, 2024
A. Scope. The
				provisions of this Chapter shall govern the materials, design, construction,
				and installation of water supply and distribution systems.
B. Disinfection of Potable Water System. The
				plumbing official may require that a potable water system or any part thereof
				installed or repaired be disinfected in accordance with one of the following
				methods before it is placed in operation.
1.
				The system, or part thereof, shall be filled with a solution containing 50 ppm
				of available chlorine and allowed to stand 6 hours before flushing and
				returning to service.
2. The
				system, or part thereof, shall be filled with a solution containing 100 ppm of
				available chlorine and allowed to stand 2 hours before flushing and returning
				to service.
3. In the case of a
				potable water storage tank where it is not possible to disinfect as provided in
				Paragraph 1 or 2 of §601. B of this code above, the entire interior of the tank
				shall be swabbed with a solution containing 200 ppm of available chlorine and
				the solution allowed to stand 2 hours before flushing and returning to
				service.
4. In the case of potable
				water filters or similar devices, the dosage shall be determined by the
				plumbing official.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-605 - Quality of Water Supply

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Potable Water. Potable water shall be used for drinking, culinary, and domestic
				purposes.
B. Acceptable Sources.
				Where a public supply of potable water is not available, requirements
				satisfactory to the governing authority shall be observed.
C. Nonpotable Water. Nonpotable water shall
				not be supplied to any fixture customarily classified a plumbing fixture and
				may only be used to supply industrial equipment or other appliances which do
				not require a potable supply of water and provided such nonpotable water shall
				not be accessible for drinking, culinary or bathing purposes.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-607 - Identification of Nonpotable Water

Current through Register Vol. 50, No. 6, June 20, 2024
A. Color Code Identification. Piping and
				outlets conveying nonpotable water shall be adequately and durably identified
				by a distinctive yellow-colored paint so that it is readily distinguished from
				piping carrying potable water.
1. Exception.
				Reclaimed Water. Where reclaimed water is piped or used, piping and outlets
				conveying this particular type of nonpotable water shall be adequately and
				durably identified by a distinctive purple-colored paint (or, in lieu of paint,
				the purple color may be manufactured integral to the pipe) so that it is
				readily distinguished from piping carrying potable water. The color standard
				and color tolerances of the required purple-color should meet the American
				Public Works Association's Uniform Color Code, i.e., Pantone Matching System
				253, which is further specified in ANSI Z535.1-2006 (R2011) and identified in
				the ANSI Z535-2011 color chart.)
2.
				In those instances when it is not feasible to paint the entire length of the
				nonpotable water pipe, each nonpotable pipe shall be minimally identified with
				the words "caution: nonpotable water, - do not drink" in black lettering on a
				band of yellow-colored paint as background to designate that the liquid being
				conveyed therein is nonpotable. Such identification shall not be concealed by
				pipe insulation and when insulated the insulation shall be painted the same
				color as is required for the pipe. Maintenance of all identification shall be
				the responsibility of the owner. This identification shall be done in
				accordance with ASME A 13.1. The minimum size of the black letters and the
				length of the yellow-colored paint field shall conform to the requirements in
				Table 607.A.2 of this code.
Table 607.A.2
Minimum Length of Color Field and Size of
							 Letters
Outside Diameter of Pipe or Covering
(Inches)
Minimum Length of Color Field
(Inches)
Minimum Size of Letters
(Inches)
1/2 to 1 1/4
8
1/2
1 1/2 to 2
8
3/4
2 1/2 to 6
12
1 1/4
8 to 10
24
2 1/2
Over 10
32
3 1/2
3.
				Within and about buildings and structures, a visible colored identification
				band shall be provided every 20 feet (6096 mm) but at least once per room, and
				the wording shall be visible in the normal line of vision from floor level. On
				straight pipe runs, the visible identification band shall be at intervals
				sufficient for identification. Arrows shall be used to indicate the direction
				of normal flow.
4. It is expressly
				understood that fire protection piping systems, downstream of the backflow
				preventer, is not considered plumbing, as per the definition of plumbing in
				Section 203 of this code. Nothing herein shall
				be construed to prevent, for example, fire protection piping from being painted
				a red color with white lettering. Likewise, other color combinations may be
				used for other specific applications in accord with ASME A 13.1.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-609 - Protection of Potable Water Supply

Current through Register Vol. 50, No. 6, June 20, 2024
A. Backflow and Back-Siphonage. The potable
				water supply including, but not limited to, the water supply system, the water
				service pipe, and the water distribution system shall be protected from
				backflow and back-siphonage in conformance with the following.
1. Backflow. The potable water supply
				including, but not limited to, the water supply system, the water service pipe,
				and the water distribution system shall be protected against backflow. Every
				water outlet shall be protected from backflow, preferably by having the outlet
				end from which the water flows spaced a distance above the flood-level rim of
				the receptacle into which the water flows sufficient to provide a "minimum
				required air gap (water distribution)" as defined in ASME A 112.1.2. Where it
				is not possible to provide a minimum air gap (water distribution), the water
				outlet shall be equipped with an accessible backflow preventer complying with
				§609. B of this code.
2.
				Back-Siphonage. Potable water supply piping, water discharge outlets, backflow
				prevention devices or similar equipment shall not be so located as to make
				possible their submergence in any contaminated or polluted liquid or
				substance.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-611 - Sizing of Water Distribution System

Current through Register Vol. 50, No. 6, June 20, 2024
A. Minimum Sizes. The sizing of the water
				distribution system shall conform to good engineering practice (e.g., see
				§1805, Appendix B of this code). See §611. C of this code for the minimum
				required size of fixture branches and individual manifold distribution lines.
				See §611. D of this code for the minimum required size of fixture supplies and
				§611. E of this code for the minimum pressure required at fixture
				outlets.
B. Calculation of Sizes.
				When required by the plumbing official, the sizing of the water distribution
				system shall be calculated by a registered mechanical engineer or other
				acceptable authority.
C. Size of
				Fixture Branches and Manifold Individual Distribution Lines. The minimum size
				of fixture branches or manifold individual distribution lines shall be in
				accordance with the following Table 611.
Table 611
Minimum Size of Fixture Branches and
							 Individual Manifold Distribution Lines
Type of Fixture or Device
Fixture Branch Pipe Size (in.)
Individual Manifold Distribution Line Size
							 (in.)
Bathtubs (60" x 32" and smaller)
1/2
1/2
Bathtubs (Larger than 60" x 32")
1/2
1/2
Combination Sink and Tray
1/2
1/2
Drinking Fountain
1/2
1/2
Dishwasher (Domestic)
1/2
1/2
Kitchen Sink, Residential
1/2
1/2
Kitchen Sink, Commercial
3/4
3/4
Lavatory
1/2
1/2
Laundry Tray 1, 2, or 3 Compartments
1/2
1/2 (1 Tray)
Wall Hydrants
1/2
1/2
Shower (Single Head)
1/2
1/2
Sinks (Service, Slop)
1/2
1/2
Sinks Flushing Rim
3/4
3/4
Urinal (Flush Tank)
1/2
1/2
Urinal (Direct Flush Valve)
3/4
3/4
Water Closet (Flushometer Valve Type)
1
1
Water Closet (Gravity or Flushometer Tank Type)
1/2
1/2
Hose Bibbs
1/2
1/2
1. For fixtures
				not listed in Table 611 of this code above, the minimum fixture branch or
				manifold individual distribution line may be made the same as for a comparable
				fixture.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-613 - Water Service Pipe and Fittings

Current through Register Vol. 50, No. 6, June 20, 2024
A. Materials Underground. Materials for
				underground water service pipe and lawn sprinkler systems, shall be a minimum
				Type L copper tube, brass, cast iron pressure pipe, ductile-iron, or
				pressure-rated plastic as listed in Table 603 of this code. The minimum working
				pressure of plastic piping installed outside of the foundation walls shall be
				160 psi (1103 kPa) at 73°F (23° C), with permanent identification markings. All
				potable water pipes, pipe fittings, plumbing fittings, or fixtures for
				underground water service pipe shall be evaluated and listed as conforming to
				NSF/ANSI 372. Any solder or flux used in the installation or repair of any
				plumbing including, but not limited to, water service lines in a residential or
				nonresidential facility providing water for human consumption shall be lead
				free.
1. Exception. The lead free requirement
				of §613. A of this code above shall not apply to:
a. leaded joints necessary for the repair of
				existing cast iron pipes;
b. pipes,
				pipe fittings, plumbing fittings, or fixtures, including backflow preventers,
				that are used exclusively for nonpotable services such as manufacturing,
				industrial processing, irrigation, outdoor watering, or any other uses where
				the water is not anticipated to be used for human consumption; or,
c. toilets, bidets, urinals, fill valves,
				flushometer valves, tub fillers, shower valves, service saddles, or water
				distribution main gate valves that are 2 inches in diameter or
				larger.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-615 - Water Pumping and Storage Equipment

Current through Register Vol. 50, No. 6, June 20, 2024
A. Pumps and Other Appliances. Water pumps,
				tanks, filters, softeners, and all other appliances and devices shall be
				protected against contamination.
B.
				Drains from Pressure Tanks, Boilers, and Relief Valves. The drains from
				pressure tanks, boilers, relief valves and similar equipment shall not be
				directly connected to the drainage system.
C. Cleaning, Painting, Repairing Water Tanks.
				A potable water supply tank shall not be lined, painted, or repaired with any
				material which will affect either the taste or the potability of the water
				supply when the tank is returned to service. Tanks shall be disconnected from
				the system during such operations, to prevent any foreign fluid or substance
				from entering the distribution piping.
D. Insufficient Pressure. When the water
				pressure from the water main (or other approved sources of potable water
				supply) during flow is insufficient to supply all fixtures freely and
				continuously, the rate of supply shall be supplemented by a gravity house tank
				or booster system (see §611. G of this code).
E. Support. All water supply tanks shall be
				supported in accordance with the applicable codes adopted under the authority
				of Act 12 of the 2005 First Extraordinary Session or other regulations which
				apply.
F. Overflow Pipes. Overflow
				pipes for gravity tanks shall be protected against the entrance of insects and
				vermin and shall discharge above and within 6 inches (152 mm) of a roof or
				catch basin. Overflow pipes shall not be valved.
G. Drains. Water supply tanks shall be
				provided with valved drain lines located at their lowest point and discharged
				as an indirect waste. Drains for water supply tanks shall be not less than
				shown in Table 615.G of this code below.
Table 615.G
Minimum Drain Size for Water Supply Tanks
Drain Pipe (in)
Tank Capacity (gal)
Drain Pipe (in)
Tank Capacity (gal)
1
Up to 750
2 1/2
3001 to 5000
1 1/2
751 to 1500
3
5001 to 7500
2
1501 to 3000
4
Over 7500
1. Each drain
				line shall be equipped with a quick opening valve of the same diameter as the
				pipe.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-617 - Water Supply Control

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Valves Required. An accessible shutoff valve shall be provided on the
				consumer's premises ahead of the first outlet or branch connection to the
				service or distribution pipe of each dwelling, dwelling unit and buildings
				other than dwellings and dwelling units. Full port ball valve shut-offs on
				lines to 2 inches or full port ball or resilient wedge-type shut-off valves for
				2 1/2-inch lines and larger shall be used. When such shutoff valve is located
				in the service pipe outside the building, it shall be located and accessible in
				a manufactured, approved, valve box with a readily removable access cover which
				extends to grade(G) level. When drain valves are
				provided for the distribution piping or other portions of the water
				distribution system, such drains shall be above grade(G)
				or otherwise located to prevent the possibility of backflow into the piping
				system after the system has been drained.
B. Tank Controls. Supply lines taken from
				pressure or gravity tanks shall be valved at or near the tank.
C. Controls for Fixtures Within Dwellings and
				Dwelling Units. Each individual fixture shall have an accessible shutoff valve
				at each outlet which will permit each fixture to be shut off without
				interfering with the water supply to any other fixtures. Shutoff valves for
				each fixture supplied by a manifold distribution system may be located at the
				manifold in addition to the outlet of the fixture being supplied. The hose bibb
				or hose connection shutoff valve shall be the only shutoff valve required on
				washing machine connectors.
1. Shutoff valves
				to water supply for refrigerators with automatic ice makers shall be accessible
				on the same floor.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-621 - Joints

Current through Register Vol. 50, No. 6, June 20, 2024
A. General. This
				Section contains provisions applicable to joints specifically for water service
				and distribution piping. Provisions for those joining methods which are
				applicable to more than one piping system are contained in Chapter 3 of this
				code.
B. Soldered Joints. Soldered
				joints for tubing shall be made with approved fittings (see §621. F of this
				code). Surfaces to be soldered shall be cleaned bright, all burrs shall be
				removed and the tubing shall be returned to full bore. The joints shall be
				properly fluxed and made with approved solder (see Table 303 of this code). All
				solder and flux used in the installation or repair of water supply systems,
				water distribution systems, and water service pipe shall be lead free. Soldered
				joints should not be made closer than 18 inches (457 mm) to an installed
				plastic-to-metal adapter in the same water line.
1. Exception. The lead free requirement of
				§621. B of this code above shall not apply to:
a. leaded joints necessary for the repair of
				existing cast iron pipes;
b. pipes,
				pipe fittings, plumbing fittings, or fixtures, including backflow preventers,
				that are used exclusively for nonpotable services such as manufacturing,
				industrial processing, irrigation, outdoor watering, or any other uses where
				the water is not anticipated to be used for human consumption; or
c. toilets, bidets, urinals, fill valves,
				flushometer valves, tub fillers, shower valves, service saddles, or water
				distribution main gate valves that are 2 inches in diameter or
				larger.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-623 - Safety Devices

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Shower Temperature Control Devices.
1.
				Multiple (gang) Showers. Multiple (gang) showers, when supplied by a single
				temperature controlled water supply pipe, shall be controlled by a master
				temperature actuated mixing valve conforming to ASSE 1069, or each shower shall
				be individually controlled by an automatic compensating scald preventative
				valve of the pressure balancing, thermostatic or combination pressure
				balance/thermostatic mixing valve type conforming to ASSE 1016, ASME A 112.18.1
				or CSA B125.1. Handle position stops or other limit setting devices shall be
				provided on such valves and shall be adjusted in accordance with manufacturer's
				instructions at time of installation to deliver a maximum mixed water outlet
				temperature of 120°F (48.3° C).
2.
				Individual Shower and Shower/Bath Combinations. Shower and shower/bath
				combinations in all buildings shall be provided with an automatic compensating
				scald preventative valve of the pressure balance, thermostatic, or combination
				pressure balance/thermostatic mixing valve type which provides scald and
				thermal shock protection for the rated flow rate of the installed showerhead.
				These valves shall conform to ASSE 1016, ASME A 112.18.1 or CSA B125.1 and
				shall be equipped with a means to limit the maximum setting of the valve to
				120°F (48.3°C), which shall be field adjusted in accordance with the
				manufacturer's instructions at the time of installation.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-625 - Miscellaneous

Current through Register Vol. 50, No. 6, June 20, 2024
A. Drain Cock. All
				storage tanks shall be equipped with adequate drain cocks.
B. Line Valves. Valves in the water supply
				distribution system, except those immediately controlling one fixture supply,
				when fully opened shall have a cross-sectional area at the smallest orifice or
				opening through which the water flows at least equal to the cross-sectional
				area of the nominal size of the pipe in which the valve is installed.
C. Water Used for Processing. Water used for
				cooling of equipment or similar purposes shall not be returned to the potable
				water distribution system, water service pipe, or water supply system. When
				discharged to the building drainage system or other point of disposal, the
				waste water shall be discharged through an air gap (water
				distribution).
D. Trap Primers
				Connected Directly to a Potable Water System. Trap primers which connect
				directly to a potable water system shall comply with the following.
1. Trap primers which are connected directly
				to a potable water system shall be constructed with integral air gaps. In
				addition to the integral air gap, additional backflow protection shall be
				provided by the installation of either an approved air gap device on the
				discharge line from each trap primer, or by the installation of an approved
				reduced pressure principle backflow preventer on the trap primer's individual
				potable water supply line.
2. Trap
				primers (and associated air gap device and/or reduced pressure principle
				backflow preventer) shall be accessible and shall not be concealed by building
				or other construction.
3. Trap
				primer drains shall be constructed to completely drain by gravity after each
				cycle of operation and, in no case, shall the drain be connected to the trap
				below the top of the trap water seal or trap outlet weir.
4. Trap primer air gaps, when required, shall
				be located a minimum of 6 inches (152 mm) above the flood level of the floor
				drain or receptor served.
5. Trap
				primers which connect to the potable water system shall be connected to the
				cold water supply in accordance with the manufacturer's
				recommendations.
6. Separate cutoff
				valves shall not be installed between a trap primer and its water supply except
				that a cutoff valve for an individual fixture shall control both the water
				supply to the trap primer and the individual fixture to assure a constant
				supply to the primer.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-627 - Water Treatment Units

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Drinking water treatment units shall meet the requirements of NSF 42 and 53.
				Units are designed to be used for the reduction of specific contaminates from
				potable drinking water, such contaminants being considered as potential health
				hazards or affecting the aesthetic quality characteristics of potable drinking
				water.
B. Reverse osmosis drinking
				water treatment systems shall meet the requirements of NSF 58. Systems are
				designed to be used for the reduction of specific contaminates from potable
				drinking water supplies considered to be microbiologically safe and of known
				quality (except that claims for the reduction of filterable cysts may be
				permitted). Systems covered by this standard are intended for reduction of
				total dissolved solids (TDS) and other contaminants specified
				therein.
C. Waste and discharge
				from reverse osmosis or other types of water treatment units shall enter the
				drainage system through an air gap (drainage system).
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 6 - Water Supply and Distribution › Section XIV-629 - Additional Water Supply and Distribution Provisions

Current through Register Vol. 50, No. 6, June 20, 2024
A. Additional provisions for water supply and
				distribution are found in the following:
1.
				LAC 51:XIV.609.F, Cross-Connection Control;
2. LAC 51:XIV.Chapter 13, Medical Facilities
				Plumbing Systems;
3. LAC
				51:XIV.Chapter 15, Travel Trailers and Travel Trailer Parks;
4. LAC 51:XIV.Chapter 16, Mobile/Manufactured
				Homes and Mobile/Manufactured Home Parks; and,
5. LAC 51:XIV.1805, Appendix B, Sizing of
				Water Piping System.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 7 - Sanitary Drainage › Section XIV-701 - General

Current through Register Vol. 50, No. 6, June 20, 2024
A. Scope. The
				provisions of this Chapter shall govern the materials, design, construction,
				and installation of sanitary drainage systems.
B. Damage to Drainage System, Sewerage
				System, or Sewage-Treatment Plant. Wastes which are detrimental to, and/or able
				to cause damage or operational problems to, either the drainage system, the
				sewerage system, or the functioning of the sewage-treatment plant shall be
				treated and disposed of in accordance with §703 F, §1005, or an approved
				pretreatment system as directed by the plumbing official.
C. Individual Sewerage System. Where a
				community sewerage system is not available, an individual sewerage system shall
				be of a type that is acceptable and approved by the state health officer. See
				Chapter 17 of this code.
D. Tests.
				The sanitary drainage system shall be tested in accordance with
				§319 of this code.
E. Engineered Systems. Engineered sanitary
				drainage and venting systems shall conform to the provisions of Chapter 12 of
				this code.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 7 - Sanitary Drainage › Section XIV-703 - Materials

Current through Register Vol. 50, No. 6, June 20, 2024
A. General. Pipe,
				tubing, and fittings for drainage systems shall conform to the standards listed
				in Table 703 of this code.
B.
				Specific Type. Standards listed in Table 703 of this code below apply to the
				specific materials approved for use and, as indicated in the various Sections
				in this Chapter, as they apply to the drainage system.
C. Aboveground Piping within Buildings and
				Piping in Raceways or Tunnels. Aboveground piping within buildings and piping
				in raceways or tunnels shall comply with the following.
1. Soil and waste piping for drainage systems
				shall be of cast iron, galvanized steel, type 304 or 316L stainless steel,
				brass or copper pipe, type DWV copper tube, Schedule 40 plastic piping or
				borosilicate glass.
2. Vertical
				soil, waste and vent stacks shall be designed to control expansion and
				contraction, in accordance with accepted engineering practice, to the
				satisfaction of the plumbing official.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 7 - Sanitary Drainage › Section XIV-705 - Building Sewer

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Separate Trenches. The building sewer, when installed in a separate trench from
				the water service pipe, shall be cast iron sewer pipe, vitrified clay sewer
				pipe, or plastic piping (minimum SDR 35 or heavier). Joints shall be watertight
				and rustproof and all material shall be installed according to the
				manufacturer's recommendations (see §705. H of this code). All pipe and
				fittings shall bear the manufacturer's name or trademark.
B. Sewer in Filled Ground. A building sewer
				or building drain installed in unstable fill or unstable ground shall be of
				cast iron pipe, except that nonmetallic drains may be laid upon an approved
				continuous supporting system if installed in accordance with §705. A of this
				code.
C. Sanitary and Storm Sewers.
				Where separate systems of sanitary drainage and storm drainage are installed in
				the same property, the sanitary and storm building sewers or drains may be laid
				side by side in one trench.
D. Old
				House Sewers and Drains. Old building sewers and building drains may be used in
				connection with new building or new plumbing and drainage work only when they
				are found, on examination and test, to conform in all respects to the
				requirements governing new house sewers. The plumbing official shall notify the
				owner to make the changes necessary to conform to this code.
E. Cleanouts on Building Sewers. Cleanouts on
				building sewers shall be located as set forth in §717. B of this
				code.
F. Minimum Size Building
				Sewer. No building sewer shall be less than 4 inches in size with the exception
				of force lines.
G. Backwater
				Valves. Backwater valves shall comply with the following.
1. Fixture Branches. Backwater valves shall
				be installed in the branch of the building drain which receives only the
				discharge from fixtures located below grade(G). Where
				fixtures are located below the level of the top of the first upstream manhole,
				said fixtures shall be protected by a backwater valve.
2. Material. Backwater valves shall have all
				bearing parts of corrosion resistant material. Backwater valves shall comply
				with ASME A 112.14.1 or CAN/CSA B181.1, CAN/CSA B181.2.
3. Seal. Backwater valves shall be so
				constructed as to insure a mechanical seal against backflow.
4. Diameter. Backwater valves, when fully
				opened, shall have a capacity not less than that of the pipes in which they are
				installed.
5. Location. Backwater
				valves shall be so installed to be accessible for service and repair.
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 7 - Sanitary Drainage › Section XIV-707 - Drainage Piping Installation

Current through Register Vol. 50, No. 6, June 20, 2024
A. Horizontal Drainage Piping. Horizontal
				drainage piping shall be installed at a uniform slope but at slopes not less
				than permitted in §707. B of this code.
B. Small Piping. Horizontal building drainage
				piping less than 3-inch diameter shall be installed with a fall of not less
				than 1/4 inch per foot (21 mm per meter).
C. Large Piping. Horizontal building drains
				3-inch diameter or larger shall be installed with a fall of not less than 1/8
				inch per foot (10 mm per meter).
D.
				Minimum Velocity. Where conditions do not permit building drains and sewers to
				be laid with a fall as great as that specified, then a lesser slope may be
				permitted provided the computed velocity will be not less than 2 fps (0.61
				m/s).
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).
Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 7 - Sanitary Drainage › Section XIV-709 - Joints

Current through Register Vol. 50, No. 6, June 20, 2024
A. General. This
				Section contains provisions applicable to joints specific to sanitary drainage
				piping. Provisions for those joining methods which are applicable to more than
				one piping system are contained in Chapter 3 of this code.
B. Caulked Joints. Caulked joints for
				cast-iron hub-and-spigot soil pipe shall be firmly packed with oakum or hemp
				and filled with molten lead not less than 1-inch (25.4 mm) deep and extending
				not more than 1/8 inch (3.18 mm) below rim of hub. No paint, varnish, or other
				coatings shall be permitted on the jointing material until after the joint has
				been tested and approved.
C. Joints
				for Plastic Pipe and Fittings. Refer to §313. H of this code for ABS and PVC
				joints.
D. Elastomeric Compression
				Gasket for Cast Iron Soil Pipe. Elastomeric compression gasketed joints for
				cast iron soil pipe shall comply with the following.
1. A positive-seal one piece elastomeric
				compression type gasket may be used for joining hub and spigot cast iron soil
				pipe as an alternate for lead or oakum joints. The joint is formed by inserting
				an approved gasket in the hub. The inside of the gasket is lubricated and the
				spigot end of the pipe is pushed into the gasket until seated, thus affecting a
				positive seal.
2. A positive-seal
				one piece elastomeric compression-type gasket for joining hub and spigot cast
				iron soil pipe may be used for drainage and waste systems above and below
				ground.
3. Compression gaskets for
				cast iron soil pipe shall be neoprene, marked as such, with ASTM C
				564.