La. Admin. Code tit. 51 § XIV-723
Table 723.A Fixture Units Per Fixture or Group | ||||
Fixture Type | Private | Public | Assembly | Minimum Size of Trap (in) |
Bathroom group consisting of a 1.6 GPF gravity tank, flushometer tank, or flushometer valve water closet, a small P.O. 1 1/4 lavatory, and a bathtub or shower or a combination bath/shower | 6.0 | 7.0 | 9.0 | |
Bathroom group consisting of a 1.6 GPF gravity tank, flushometer tank, or flushometer valve water closet, a large P.O. 1 1/2 lavatory, and a bathtub or shower or a combination bath/shower | 7.0 | 8.0 | 10.0 | |
Bathroom group consisting of a greater than 1.6 GPF gravity tank or flushometer valve water closet, a small P.O. 1 1/4 lavatory, and a bathtub or shower or a combination bath/shower | 7.0 | 9.0 | 11.0 | |
Bathroom group consisting of a greater than 1.6 GPF gravity tank or flushometer valve water closet, a large P.O. 1 1/2 lavatory, and a bathtub or shower or a combination bath/shower | 8.0 | 10.0 | 12.0 | |
Bathtub (with or without overhead shower) or whirlpool attachments (a showerhead over a bathtub or whirlpool bathtub attachments does not increase the fixture value) | 2.0 | 2.0 | 2 | |
Bidet | 1.0 | 1 1/4 | ||
Bidet | 2.0 | 2.0 | 1 1/2 | |
Clothes Washer, domestic, standpipe | 3.0 | 3.0 | 3.0 | 2 |
Clothes Washer, commercial, pumped waste | See §723. B of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows. | |||
Clothes Washer, commercial, gravity waste | See §723.C of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows. | |||
Combination sink and tray | 3.0 | 3.0 | 3.0 | 1 1/2 |
Combination sink and tray with food disposal unit | 4.0 | 4.0 | 4.0 | Separate traps 1 1/2 |
Dental unit or cuspidor | 1.0 | 1.0 | 1 1/4 | |
Dental lavatory | 1.0 | 1 1/4 | ||
Dishwashing machine, domestic (See §723.C of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows) | 2.0 | 2.0 | 2.0 | 1 1/2 |
Dishwashing machine, commercial | See §723. B of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows | |||
Drinking Fountain | 0.5 | 0.5 | 1.0 | 1 1/4 |
Floor drains (Size of floor drain trap shall be determined by the area of the floor to be drained; therefore, for larger trap sizes, see Table 723.B of this code to determine the applicable fixture unit value. If the floor drain receives continuous or semi-continuous flows, utilize §723. C of this code to determine the fixture unit value) | 1.0 | 2.0 | 2.0 | 2 |
Hub drains (When the hub drain is utilized as a direct or an indirect waste receptor for a fixture, any fixture unit value otherwise assigned to the particular fixture draining into the hub drain shall be used. If the hub drain receives continuous or semi-continuous flows, utilize §723. C of this code to determine the fixture unit value) | 1.0 | 2.0 | 2.0 | 2 |
Kitchen sink, domestic | 2.0 | 2.0 | 1 1/2 | |
Kitchen sink, domestic with food waste grinder and/or dishwasher | 3.0 | 3.0 | 1 1/2 | |
Lavatory (Lavatories with 1 1/4 or 1 1/2-inch trap have the same load value; larger punch out (P.O.) plugs for the drain hole have greater flow rate) | 1.0 | 1.0 | 1.0 | Small P.O. 1 1/4 |
Lavatory (Lavatories with 1 1/4 or 1 1/2-inch trap have the same load value; larger punch out (P.O.) plugs for the drain hole have greater flow rate) | 2.0 | 2.0 | 2.0 | Large P.O. 1 1/2 |
Lavatory, barber, beauty parlor | 2.0 | 2.0 | 2.0 | 1 1/2 |
Lavatory, surgeon's | 2.0 | 1 1/2 | ||
Laundry tray (1 or 2 compartments) | 2.0 | 2.0 | 2.0 | 1 1/2 |
Mobile/Manufactured Home, trailer trap | 15.0 | 4 | ||
Shower stall, domestic | 2.0 | 2.0 | 2.0 | 2 |
Showers (group) per head (See §723.C of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows) | 3.0 | 4.0 | 3 | |
Sinks | ||||
Bar, private, above grade | 1.0 | 1 1/2 | ||
Clinical, 1.6 GPF | 6.0 | 6.0 | 3 | |
Clinical, greater than 1.6 GPF | 8.0 | 8.0 | 3 | |
Curbed Cleaning Facility | 3.0 | 3.0 | 3 | |
Floor, food service | 4.0 | 4.0 | 2 | |
Floor, bar service | 2.0 | 2.0 | 2 | |
Floor, other uses (See §723. B of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows) | ||||
Pot, scullery, etc. (See §723.C of this code for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows) | 4.0 | 4.0 | 1 1/2 | |
Service (trap standard) | 3.0 | 3.0 | 3 | |
Service ("p" trap) | 2.0 | 2.0 | 2 | |
Surgeon's | 3.0 | 3.0 | 1 1/2 | |
Wash, (circular or multiple), normally used for hand washing, each set of faucets | 2.0 | 3.0 | Nominal 1 1/2 | |
Wash, (circular or multiple), normally used for hand washing, no faucets (e.g., Superdome hand wash sinks in public toilet rooms) | 2.0 | 3.0 | Nominal 1 1/2 | |
Travel Trailer, trailer trap | 6.0 | 4 | ||
Urinals | ||||
Exposed trap | 2.0 | 2.0 | 5.0 | 1 1/2 |
Pedestal, siphon jet, blowout, greater than 1.0 GPF | 6.0 | 8.0 | 10.0 | Trap size shall be consistent with fixture type as defined in industry standards |
Wall lip, integral trap, 1.0 GPF | 2.0 | 2.0 | 5.0 | Trap size shall be consistent with fixture type as defined in industry standards |
Wall lip, integral trap, greater than 1.0 GPF | 2.0 | 2.0 | 6.0 | Trap size shall be consistent with fixture type as defined in industry standards |
Washout, greater than 1.0 GPF | 2.0 | 4.0 | 6.0 | Trap size shall be consistent with fixture type as defined in industry standards |
Water Closets, | ||||
1.6 GPF Gravity Tank | 3.0 | 4.0 | 6.0 | Trap size shall be consistent with fixture type as defined in industry standards |
1.6 GPF Flushometer Tank | 3.0 | 4.0 | 6.0 | Trap size shall be consistent with fixture type as defined in industry standards |
1.6 GPF Flushometer Valve | 3.0 | 4.0 | 6.0 | |
greater than 1.6 GPF Gravity Tank | 4.0 | 6.0 | 8.0 | Trap size shall be consistent with fixture type as defined in industry standards |
greater than 1.6 GPF Flushometer Valve | 4.0 | 6.0 | 8.0 | Trap size shall be consistent with fixture type as defined in industry standards |
Table 723.B Fixtures Not Listed | |
Fixture Drain or Trap Size (in) | Fixture-Unit Value |
1 1/4 and smaller | 1 |
1 1/2 | 2 |
2 | 3 |
3 | 5 |
4 | 6 |
La. Admin. Code tit. 51, § XIV-723