La. Admin. Code tit. 17, § I-107 - International Residential Code (Formerly LAC 55:VI.301.A.3.a)

Current through Register Vol. 48, No. 3, March 20, 2022

A.
1. International Residential Code, 2015 Edition, not including Parts I-Administrative, and VIII-Electrical. The applicable standards referenced in that code are included for regulation of construction within this state. The enforcement of such standards shall be mandatory only with respect to new construction, reconstruction, additions to homes previously built to the International Residential Code, and extensive alterations. 2018 International Residential Code, Appendix Q, Tiny Houses, with inspections on site and or in the manufacturing plant as required by the LSUCCC regulations. Appendix J, Existing Buildings and Structures, may be adopted and enforced only at the option of a parish, municipality, or regional planning commission.

Amend

Chapter 2, Definitions

Adopt

Human Consumption

The use of water by humans for drinking, cooking, bathing, showering, hand washing, dishwashing, or maintaining oral hygiene.

Adopt

Lead Free

(a). in general:

Adopt

1. not containing more than 0.2 percent lead when used with respect to solder and flux; and;

Adopt

2. not more than a weighted average of 0.25 percent lead when used with respect to the wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures;

Adopt

B. calculation:

Adopt

1. the weighted average lead content of a pipe, pipe fitting, plumbing fitting, or fixture shall be calculated by using the following formula:

a. for each wetted component, the percentage of lead in the component shall be multiplied by the ratio of the wetted surface area of that component to the total wetted surface area of the entire product to arrive at the weighted percentage of lead of the component. The weighted percentage of lead of each wetted component shall be added together, and the sum of these weighted percentages shall constitute the weighted average lead content of the product. The lead content of the material used to produce wetted components shall be used to determine compliance with Clause a.ii above. For lead content of materials that are provided as a range, the maximum content of the range shall be used.

Adopt

Section R302.1, Exterior Walls.

Adopt

Exception

Adopt

Item (1.)

(1.) On lots that are 50 feet or less in width and that contain a one or two family dwelling or townhouse that was in existence prior to October 1, 2005, the following are permitted for rebuilding:

(a.) a projection 2 feet from the property line with a 1 hour minimum fire-resistance rating on the underside;

(b.) a wall 3 feet or more from the property with a 0 hour minimum fire-resistance rating.

Amend

2015 IRC Section 313.1, Townhouse Automatic Sprinkler System. Per Act No. 685 of the 2010 Regular Session of the Louisiana Legislature.

The council shall not adopt or enforce any part of the International Residential Code or any other code or regulation that requires a fire protection sprinkler system in one- or two-family dwellings. Further, no municipality or parish shall adopt or enforce an ordinance or other regulation requiring a fire protection sprinkler system in one- or two-family dwellings.

Amend

Exception

Item (1.)

(1.) If an owner voluntarily chooses to install an automatic residential fire sprinkler system, it shall be installed per Section R313.1.

Amend

2015 IRC Section 313.2, One- and Two-Family Dwellings Automatic Fire Systems. Per Act No. 685 of the 2010 Regular Session of the Louisiana Legislature.

The council shall not adopt or enforce any part of the International Residential Code or any other code or regulation that requires a fire protection sprinkler system in one- or two-family dwellings. Further, no municipality or parish shall adopt or enforce an ordinance or other regulation requiring a fire protection sprinkler system in one- or two-family dwellings.

Amend

Exception

Item (1.)

(1.) If an owner voluntarily chooses to install an automatic residential fire sprinkler system, it shall be installed per Section R313.2.1, Design and Installation.

Amend

Section R322.2.1, Elevation Requirements.

Amend

Buildings and structures in flood hazard areas including flood hazard areas designated as Coastal A Zones, shall have the lowest floors elevated to or above the base flood elevation or the design flood elevation.

Repeal

Delete plus 1 foot (305 mm) requirement.

Amend

In areas of shallow flooding (AO Zones), buildings and structures shall have the lowest floor (including basement) elevated to a height of not less than the highest adjacent grade as the depth number specified in feet (mm) on the FIRM or not less than 2 feet if a depth number is not specified.

Repeal

Delete plus 1 foot (305 mm) requirement.

Amend

Basement floor that are below grade on all sides shall be elevated to or above base flood elevation or the design flood elevation, whichever is higher.

Repeal

Delete plus 1 foot (305 mm) requirement.

Amend

Section R322.3.2, Enclosed Area Below Design Flood Elev.

Repeal

Delete plus 1 foot (305 mm) requirement.

Amend

Section R 1006.1, Exterior Air.

Factory-built or masonry fireplaces covered in this chapter shall be equipped with an exterior air supply to assure proper fuel combustion.

Substitute

Chapter 11, Energy Efficiency.

Substitute Chapter 11, Energy Efficiency of the 2009 IRC, in lieu of Chapter 11, Energy Efficiency of the 2015 IRC.

Adopt

Section N1101.9.1, Louisiana Insulation Certificate requirement.

A State of Louisiana Insulation Certificate shall be permanently posted in a utility area.

Adopt

Section N1101.9.2, Louisiana Insulation Certificate Template.

Click here to view image

Amend

Section N1102.2.1, Ceilings with attic spaces.

Adopt

Exception

Item (1.)

(1.) When the thermal covering at the roof line creates an unvented attic:

(a.) Proper sizing or modification of the HVAC system to the current code is required.

(b.) Any insulation between the sealed, conditioned attic space and the living space must be removed.

(c.) Exception: The space under appliances located in a sealed, conditioned attic may remain in place if sealed from the attic space. It is less than 10% of the total conditioned attic floor, and the appliances are approved for use in a sealed attic.

(d.) There shall be no outside attic ventilation and all openings must be blocked with rigid material and are sealed, in accordance with the ICC IRC Chapter 8 "Roof-Ceiling Construction".

Amend

Section N1102.2.6, Floors.

Subfloor insulation shall provide or be installed in permanent contact with a rigid air barrier material. If the building is cooled with air conditioning subfloors in any vented crawl space shall be insulated with an airtight, class II vapor retarder insulation system (perm < 1.0).

Adopt

Exception

Adopt

Item (1.)

(1.) Plastic Spray Foam cannot be applied to finish flooring where no subfloor exists.

Amend

Section N1102.3, Access Hatches and Doors.

Access doors from conditioned spaces to unconditioned spaces shall be weather-stripped and have a minimum insulation value of an R-4.

Amend

Section N1102.4.2, Air Sealing and Insulation.

The air tightness demonstration method of compliance is to be determined by the contractor, design professional or homeowner.

Amend

Section N1102.4.2.1, Testing Option.

Tested air leakage is less than 7 ACH when tested with a blower door at a pressure of 50 pascals (0.007 psi). Testing shall occur after rough in and after installation of penetrations of the building envelope, including penetrations for utilities, plumbing, electrical, ventilation and combustion appliances. When the contractor, design professional or homeowner chooses the blower door testing option, blower door testing shall be performed by individuals certified to perform blower door tests by a nationally recognized organization that trains and provides certification exams for the proper procedures to perform such tests. The responsible BCEO shall accept written blower door test reports from these certified individuals to verify the minimum requirements of Section N1102.4.2.1 Testing Option are attained.

Amend

Section N1102.4.3, Fireplaces.

New wood-burning fireplaces shall have outdoor combustion air.

Adopt

Section N1102.4.6, Rooms containing fuel-burning appliances.

Where open combustion air ducts provide combustion air to open combustion fuel burning appliances, the appliances and combustion air openings shall be located outside the thermal envelope or enclosed in a room, isolated from inside the thermal envelope. Such rooms shall be sealed and insulated in accordance with the envelope requirements of N1102.1 (different from R402.12) where the walls, floors, and ceilings shall meet not less than the basement wall R-value requirement. The door into the room shall be fully gasketed and any water lines and ducts in the room insulated in accordance with Section N1103 (different than Section 403). The combustion air duct shall be insulated where it passes through conditioned space to a minimum of R-6.

Adopt

Exceptions

Adopt

Item (1.)

(1.) Direct vent appliances with both intake and exhaust pipes installed continuous to the outside.

Adopt

Item (2.)

(2.) Fireplaces and stoves complying with Section R1006 of the International Residential Code.

Amend

Section N1103.2.1, Insulation.

Supply and return ducts in attics shall be insulated to a minimum of R-6.

Amend

Section N1103.2.2, Sealing.

Ducts, air handlers, filter boxes and building cavities used as ducts shall be sealed. Joints and seams shall comply with section M1601.4. Duct leakage testing shall be performed by individuals certified to perform duct leakage tests by a nationally recognized organization that trains and provides certification exams for the proper procedures to perform such tests. The responsible BCEO shall accept written duct leakage test reports from these certified individuals to verify the minimum requirements of Section N1103.2.2, Sealing, are attained.

Adopt

Exception

Adopt

(1.) HVAC Contractors

(1.) HVAC contractors, who are not certified to perform duct leakage tests, may perform the test with the responsible BCEO visually verifying test procedures and results on site.

Amend

Section N1103.2.2, Sealing.

Joints and seams shall comply with section M1601.4. Duct tightness shall be verified by either for the following:

Amend

Post-Construction Test.

Leakage to outdoors shall be less than or equal to 8 cfm (3.78 L/s) per 100 ft2 (9.29 m2) of conditioned floor area or a total leakage less than or equal to 12 cfm (5.66 L/s) per 100 ft 2 (9.29 m 2) of conditioned floor area when tested at a pressure differential of 0.1 inch w.g. (25 Pa) across the entire system, including the manufacturer's air handler end closure. All register boots shall be taped or otherwise sealed during the test.

Amend

Rough-In Test.

Total leakage shall be less than or equal to 6 cfm (2.83 L/s) per 100 ft 2 9.29 m 2) of conditioned floor area when tested at a pressure differential of 0.1 inch w.g. (25 Pa) across the roughed in system, including the manufacturer's air handler enclosure. All register boots shall be taped or otherwise sealed during the test. If the air handler is not installed at the time of the test, total leakage shall be less than or equal to 4 cfm (1.89 L/s) per 100 ft2 (9.29 m2) of conditioned floor area.

Amend

Exception

Amend

Item (1.)

(1.) Duct tightness test is not required if the air handler and all ducts are located within conditioned space.

Adopt

Section N1103.5.1, Bathroom Exhaust.

Homes utilizing insulation to create an unvented attic shall have bath fans properly sized and installed according to manufacturing recommendations, shall be vented to the outside and shall be performance verified after installation.

Amend

Section N1103.8.3, Pool Covers.

Pool covers shall not be required to meet the energy efficiency requirements of this Section.

Amend

Section M1307.3.1, Protection from Impact.

Appliances shall not be installed in a location subject to automobile or truck damage except where protected by approved barriers.

Amend

Section M1507.3.1, System Design.

The whole-house ventilation system shall consist of a combination of supply and exhaust fans, and associated ducts and controls. Local exhaust and supply fans are permitted to serve as such a system. Outdoor air ducts connected to the return side of an air handler shall be considered to provide supply ventilation.

Amend

Section M1507.3.2, System Controls.

The whole-house mechanical ventilation system shall be provided with controls that enable manual override and a method of air-flow adjustment.

Repeal

Section M1507.3.3, Mechanical Ventilation Rate.

Amend

Section M1507.4, Minimum Required Local Exhaust.

Local exhaust systems shall be designed to have the capacity to exhaust the minimum air flow rate as follows:

Amend

Item (1.)

(1.) Kitchen: 100 cfm intermittent or 25 cfm continuous, a balanced ventilation system is required for continuous exhaust.

Amend

Item (2.)

(2.) Bathrooms: exhaust capacity of 50 cfm intermittent or 20 cfm continuous, a balanced ventilation system is required for continuous exhaust.

Amend

Section P2502.2

Adopt

Exception

Adopt

Repairs to Drainage System via Re-Route.

In the case where it is determined that there is a broken underground drain line including, but not limited to, broken drain lines under the slab of a building, and a drain line re-route is performed, the existing broken underground drain line shall be and sealed watertight and gastight using approved plumbing materials and joining/jointing methods, e.g., properly install an approved cap, plug, or cleanout on the cut or disconnected pipe.

Adopt

Section 2503.1, Drainage and Vent Testing.

An air test shall be made by forcing air into the system until there is a uniform gauge pressure of 5 psi (34.5 kPa) or sufficient to balance a 10-inch (254 mm) column of mercury. This pressure shall be held for a test period of not less than 15 minutes. Any adjustments to the test pressure required because of changes in ambient temperatures or the seating of gaskets shall be made prior to the beginning of the test period.

Amend

Section P2503.4, Building sewer testing.

The testing of building and public sewer systems shall be performed by the installer using a 10 water head.

Amend

Section P2503.6, Testing of Shower Receptacles.

Testing of shower receptacles shall be the responsibility of the installer.

Amend

Section P2603.5, Freezing.

In localities having a winter design temperature of 32°F (0°C) or lower as shown in Table R301.2(1) of this code, a water pipe and/or sanitary traps shall not be installed outside of a building, in exterior walls, in attics or crawl spaces, or in any other place subjected to freezing temperature unless adequate provision is made to protect it from freezing by insulation or heat or both. Water service pipe shall be installed not less than 12 inches (305 mm) deep and not less than 6 inches (152 mm) below the frost line.

Amend

Section P2706.1, General.

For other than hub drains that receive only clear-water waste and standpipes, a removable strainer or basket shall cover the waste outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. Waste receptors shall not be installed in plenums or interstitial spaces above ceilings and below floors. Waste receptors shall be accessible.

Amend

Section P2725, Nonliquid Saturated Treatment Systems.

Amend

Section P2715.1

Adopt

Exception

Adopt

Item (1.)

(1). Compost toilets are prohibited.

Amend

Section P2804.6.1, Requirements for discharge pipe.

(5.) Discharge to the floor, a waste receptor, mop sinks or to the outdoors.

Amend

Section P2708.2, Shower Drain.

Any portion of the drainage system installed underground or below a basement or cellar shall not be less than 2-inch diameter.

Repeal

Section P2903.10, Hose bibb

Adopt

Section P2902.5.6, Connections to swimming pools.

The potable water supply to swimming pools shall be protected against backflow by an air gap or reduced pressure principal backflow prevention assembly.

Adopt

Section P2902.5.7, Connections to animal watering troughs, ornamental fountains, or other similar equipment.

The potable water supply to animal watering troughs, ornamental fountains, or other similar fixtures shall be protected against backflow by an air gap.

Amend

Section P2905

The developed length of hot or tempered water piping, from the source of hot water to the fixtures that require hot or tempered water, shall not exceed 100 feet (15 240 mm). Recirculating system piping and heat-traced piping shall be considered to be sources of hot or tempered water.

Repeal

Section P2905.1, Heated Water circulation systems and heat trace systems.

Repeal

Section P2905.2

Amend

Section P2906.2.1, Lead content of water supply pipe and fittings used for human consumption.

Water Piping Quality. All potable water pipes, fittings, valves, and fixtures used to provide water for human consumption shall be lead free and shall be evaluated and listed as conforming with NSF/ANSI 372. Any solder or flux which is used in the installation or repair of any public water system or any plumbing in a residential or nonresidential facility providing water for human consumption shall be lead free.

i. Exception: The lead free requirement above shall not apply to:

(a.). leaded joints necessary for the repair of existing cast iron pipes;

(b.). fire hydrants, 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.

Amend

Section P2906.6, Fittings.

Pipe fittings shall be approved for installation with the piping material installed and shall comply with the applicable standards listed in Table P2905.6. All pipe fittings used in water supply systems shall also comply with NSF 61. All copper, brass and stainless steel joints below a building slab shall be brazed and/or welded in accordance with the requirements of this code, as appropriate. With the exception of heat fused polypropylene, all other joints and fittings for plastic pipe below a building slab are prohibited.

Amend

Table P2906.6

Material

Standard

Acrylonitrile butadiene styrene (ABS)

ASTM D2468

plastic

Brass

ASTM F1974

Cast-iron

ASME B16.4;

ASME B16.12

Chlorinated polyvinyl chloride (CPVC)

ASSE 1061;

ASTM D2846;

plastic

ASTM F 437;

ASTM F 438;

ASTM F 439;

CSA B137.6

Copper or copper alloy

ASSE 1061;

ASME B16.15;

ASME B16.18;

ASME B16.22;

ASME B16.26

ASTM F1986

Cross-linked

polyethylene/aluminumlhigh-density

polyethylene (PEX-AL-HDPE)

Fittings for cross-linked polyethylene

ASSE 1061;

ASTM F 877;

(PEX) plastic tubing

ASTM F 1807;

ASTM F 1960;

ASTM F 2080;

ASTM F 2098;

ASTM F 2159;

ASTM F 2434;

ASTM F 2735;

CSA B 137.5

Gray iron and ductile iron

AWWACIIO;

AWWACI53

Malleable iron

ASMEB16.3

Insert fittings for

ASTM F 1974;

Polyethylene/aluminum/polyethylene

ASTM F 1281;

ASTM F 1282;

(pE-AL-PE) and cross-linked

CSA B137.9;

polyethylene/aluminum/polyethylene

CSA B137.10

(PEX-AL-PEX)

Polyethylene (PE) plastic

CSA B137.1

Fittings for polyethylene of raised

ASTM F 1807;

ASTM F2098;

temperature (PE-RT) plastic tubing

ASTM F 2159;

ASTM F 2735

Polypropylene CPP) plastic pipe or tubing

ASTM F 2389;

CSA B 137.11

Polyvinyl chloride (PYC) plastic

ASTM D 2464;

ASTM D 2466;

ASTM D 2467;

CSA B 137.2;

CSA B137.3

Stainless steel (Type 304/304L) pipe

ASTM A 312;

ASTM A 778

Stainless steel (Type 316/316L) pipe

ASTM A 312;

ASTM A 778

Steel

ASME B 16.9;

ASME B 16.11;

ASME B 16.28

Adopt

Section P2914, Separation of Water Service from Contamination.

Adopt

Section P2914.1, Potable Water (Pressure) Lines Near Soil Absorption Trenches, Sand Filter Beds, Oxidation Ponds, and any Effluent Reduction Option (Effluent Reduction Fields, Rock Plant Filters, Spray Irrigation Systems, Overland Flow Systems, Mound Systems, or Subsurface Drip Disposal Systems).

Underground potable water (pressure) lines shall not be located within 25 feet (7.6 m) of any soil absorption trenches, sand filter beds, oxidation ponds, or any effluent reduction option including, but not limited to effluent reduction fields, rock plant filters, spray irrigation systems (from the edge of the spray and its drainage), overland flow systems (from the discharge point and field of flow), mound systems, or subsurface drip disposal systems which have been installed for either the disposal of septic tank effluent or mechanical treatment plant effluent.

Adopt

Section P2914.2, Potable Water (Pressure) Lines Near Septic Tanks, Mechanical Sewage Treatment Plants, and Pump Stations.

Underground potable water (pressure) lines shall not be located within 10 feet (3.0 m) of any septic tank, mechanical sewage treatment plant, or sewage pump station.

Adopt

Section P2914.3, Potable Water (Pressure) Lines Near Seepage Pit, Cesspool, or Sanitary Pit Privy.

Underground potable water (pressure) lines shall not be located within 50 feet (15.2m) of any seepage pit, cesspool, or sanitary pit privy.

Adopt

Section P2914.4, Reclaimed Water Lines.

Reclaimed water lines shall be considered and treated as though they are sewerage lines and shall be installed in accord with the spacing requirements of Section 2906.4.1 for the protection of potable water lines.

Amend

Chapter 30, Sanitary Drainage.

Amend

Section P3005.2.2, Building sewers.

Building sewers smaller than 8 inches (203 mm) shall have cleanouts located at intervals of not more than 100 feet (30 480 mm). Building sewers 8 inches (203 mm) and larger shall have a manhole located not more than 80 feet from the junction of the building drain and building sewer and at intervals of not more than 400 feet (122 m). The interval length shall be measured from the cleanout or manhole opening, along the developed length of the piping to the next drainage fitting providing access for cleaning, a manhole or the end of the building sewer.

Adopt

Section 3005.9, Underground Drainage Piping.

Any portion of the drainage system installed underground or below a basement or cellar shall not be less than 2-inch diameter. In addition, any portion of the drainage system installed underground which is located upstream from a grease trap or grease interceptor as well as the underground horizontal branch receiving the discharge there from shall not be less than 3-inch diameter.

Amend

Section P3104.1, Connection.

Individual branch and circuit vents shall connect to a vent stack, stack vent or extend to the open air.

Repeal

Exception

Individual, branch and circuit vents shall be permitted to terminate at an air admittance valve in accordance with Section P3114.

Repeal

Item (1.)

(1.) Individual, branch and circuit vents shall be permitted to terminate at an air admittance valve in accordance with Section P3114.

Repeal

Section P3114, Air Admittance Valves.

Notes

La. Admin. Code tit. 17, § I-107
Promulgated by the Department of Public Safety and Corrections, State Uniform Construction Code Council, LR 33:291 (February 2007), amended LR 34:93 (January 2008), LR 34: 883 (May 2008), LR 34:2205 (October 2008), LR 35:1904 (September 2009), LR 36:2574 (November 2010), effective January 1, 2011, LR 37:601 (February 2011), LR 37:913 (March 2011), repromulgated LR 37:2187 (July 2011), repromulgated LR 37:2726 (September 2011), LR 37:3065 (October 2011), LR 38:1994 (August 2012), amended by the Department of Public Safety and Corrections, Uniform Construction Code Council, LR 39:1825 (July 2013), LR 39:2512 (September 2013), LR 40:2609 (December 2014), LR 412383, Amended LR 421672 (10/1/2016), Amended by the Department of Public Safety and Corrections, Office of the State Fire Marshal, Uniform Construction Code Council, LR 4479 (1/1/2018), Amended LR 442218 (12/1/2018), Repromulgated LR 45916 (7/1/2019), Amended LR 451789 (12/1/2019).
AUTHORITY NOTE: Promulgated in accordance with R.S. 40:1730.22(C) and (D) and 40:1730.26(1).

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