SPS 382.33(8)(d)2.2. The indirect waste piping of a residential-type automatic clothes washer or water treatment device may discharge into a laundry tray. SPS 382.33(8)(d)3.3. The indirect or local waste piping serving a cross connection control device or assembly, water treatment device, air conditioner, humidifier or furnace condensate may discharge into a branch tailpiece serving a laundry tray. SPS 382.33(8)(d)4.4. The local waste piping serving a water heater temperature and pressure relief valve, water treatment device, cross connection control device or assembly, humidifier, sterilizer, or a furnace or air conditioner may discharge into the riser of a floor drain when installed in accordance with sub. (7) (b). SPS 382.33(8)(d)5.5. The indirect or local waste piping serving a water heater temperature and pressure relief valve, water treatment device, cross connection control device or assembly, or a furnace or air conditioner may discharge to a floor served by a floor drain so as not to create a health or safety hazard. SPS 382.33(8)(d)6.6. The indirect or local waste piping in a one- or 2-family dwelling serving a water heater temperature and pressure relief valve or water treatment device may discharge through the cover of a clear water sump so as not to adversely affect floats by means of a fixed air gap installed in accordance with subs. (7) (a) 2. and (8). SPS 382.33(8)(d)7.7. The indirect waste piping serving a dental mold grinder may discharge into the tailpiece of a trap serving a sink that is provided with a plaster trap and is installed within 3 feet of the mold grinder. SPS 382.33(8)(d)8.8. A water closet, clinic sink, or urinal may receive the discharge from a mortuary or autopsy table. SPS 382.33(8)(d)9.9. The indirect waste piping serving a dialysis machine may discharge to a water closet or lavatory under all the following conditions: SPS 382.33(8)(d)9.a.a. The water closet or lavatory is in a patient toilet room of a single occupancy in a healthcare facility. SPS 382.33(8)(d)9.b.b. The discharge to the plumbing fixture shall be made by either a temporary or permanent fixed 1-inch air-gap that will not impede normal operation of the fixture when not in dialysis mode. SPS 382.33(8)(d)9.c.c. The discharge to the fixtures shall be limited to a department-approved portable healthcare dialysis appliance and a portable water treatment device specifically for dialysis use. SPS 382.33 NoteNote: See ch. SPS 382 Appendix A-382.33 (8) (a) to (d) for further explanatory material. SPS 382.33(9)(9) Indirect waste piping required. Indirect waste shall discharge to an approved receptor in accordance with all of the following: SPS 382.33(9)(a)(a) Boilers, pressure tanks and relief valves. Boilers, pressure tanks, relief valves and similar equipment discharging to a drain system shall be by means of an air-gap. SPS 382.33(9)(a)1.1. Steam pipes shall not connect or discharge to any part of a plumbing system. SPS 382.33(9)(a)2.a.a. Except as provided in subd. 2. b., wastewater more than 160° F in temperature shall be discharged by means of indirect waste to the plumbing system. SPS 382.33(9)(a)2.b.b. Steam condensate blow down shall be cooled to 160°F in temperature prior to discharging to a plumbing system. SPS 382.33(9)(b)(b) Clear water. When discharging to a plumbing system, all clear water shall discharge by means of an air-gap. SPS 382.33(9)(bm)(bm) Clothes dryers. A single residential ventless dryer with a maximum discharge of less than 1 gallon per minute may discharge into a 2-inch automatic clothes washer box or standpipe within a dwelling unit. Both the residential automatic clothes washer drain hose and the residential ventless dryer drain hose shall physically fit within the receptor without distortion to either hose. SPS 382.33(9)(c)1.1. ‘Residential types.’ Residential-type clothes washers shall discharge into the sanitary drain system by means of an air-break. SPS 382.33(9)(c)1.a.a. A standpipe receptor may not extend more than 36 inches nor less than 18 inches above the centerline of the trap outlet. SPS 382.33(9)(c)1.b.b. A standpipe receptor shall terminate at least 26 inches but not more than 48 inches above the floor on which the clothes washer is located. SPS 382.33(9)(c)1.c.c. The maximum number of washers which may discharge to a trap shall be in accordance with Table 382.33-2. SPS 382.33(9)(c)1.d.d. Washer wastes shall not be discharged to gutters, troughs, local waste piping, indirect waste manifolds or other similar connections. SPS 382.33(9)(c)2.2. ‘Laundries.’ Pumped-discharge automatic clothes washing equipment, including residential-type clothes washers, in launderettes, laundromats, and self-service laundry establishments shall have the wastes discharge to a drain system by means of standpipes. The standpipes shall be installed in accordance with subd. 1. SPS 382.33(9)(c)3.3. ‘Commercial-type.’ Gravity discharge clothes washing equipment shall discharge by means of an air-break or by other approved methods into a floor receptor, trench, or trough. SPS 382.33(9)(c)3.a.a. The receptor shall be sized to hold one full simultaneous discharge load from every machine draining into the receptor. SPS 382.33(9)(c)3.b.b. The size of the receptor drain shall be determined by the manufacturer’s discharge flow rate and the frequency of discharge. SPS 382.33 NoteNote: See ch. SPS 382 Appendix for further explanatory information. SPS 382.33(9)(d)(d) Dishwashing machines. All dishwashing machines shall discharge to the sanitary drain system. SPS 382.33(9)(d)1.1. ‘Residential type.’ The indirect waste piping from a residential-type dishwashing machine shall not exceed a developed length of 10 feet. The indirect waste piping from a residential-type dishwashing machine shall be installed in accordance with one of the following methods: SPS 382.33(9)(d)1.a.a. Where an air-gap or air-break is located below the countertop, the indirect waste piping from the dishwashing machine shall discharge to a standpipe. The standpipe shall be at least 1 ½ inches in diameter and shall extend at least 15 inches above the trap weir. SPS 382.33(9)(d)1.b.b. Where an air-gap or air-break is located above the countertop, the indirect waste piping from the dishwashing machine shall discharge to local waste piping. The local waste piping shall connect to the kitchen sink branch tailpiece above the trap inlet, the standpipe or to the dishwashing machine connection of a food waste grinder. When the local waste piping discharges to a standpipe, the standpipe shall be at least 1 ½ inches in diameter and shall extend at least 15 inches above the trap weir. Where a hose is used for local waste piping, the developed length shall not exceed 18 inches. SPS 382.33(9)(d)2.2. ‘Commercial.’ Commercial dishwashing machines shall discharge into a sanitary drain system by means of an air-gap or air-break into a trapped and vented receptor. The indirect waste piping may not be more than 30 inches in length. SPS 382.33(9)(e)(e) Drips and drain outlets. Appliances, devices and apparatus not defined as plumbing fixtures which have drip or drain outlets, which discharge to the plumbing system, shall discharge into an approved receptor by means of an approved air-gap or air-break. SPS 382.33(9)(f)2.2. Drains serving elevator pits shall not connect directly with the storm drain system by means of gravity flow piping. SPS 382.33(9)(f)4.4. A drain serving an elevator pit that discharges to a sump shall have a submerged inlet constructed to maintain a minimum 6″ trap seal. SPS 382.33(9)(f)5.5. A sump located in an elevator pit may only receive storm or clear water waste from the elevator pit or the elevator machine room, or both. SPS 382.33(9)(fm)(fm) Elevator threshold drains. Elevator emergency threshold drains provided to meet the requirements of International Building Code s. 3007.3 or 3008.3, as adopted and modified by chs. SPS 361 to 366, may be used only to minimize infiltration of water from fire sprinklers into elevator hoistways. Such drains may not receive other water including wastewater. Elevator threshold drains shall comply with all of the following: SPS 382.33(9)(fm)1.1. In lieu of individual traps, a single trap may serve multiple threshold drains on a single floor serving a single hoistway. SPS 382.33(9)(fm)6.6. The elevator threshold drain stack utilizing a combination drain and vent as permitted by s. SPS 382.31 (17) (d) may not be combined with other plumbing prior to discharging to the building drain or other discharge points. SPS 382.33(9)(fm)8.8. The drain stack shall be sized to accommodate the anticipated design discharge loads of the automatic fire sprinkler system. SPS 382.33(9)(g)(g) Food handling establishments. Plumbing fixtures, devices, appliances, and appurtenances installed in food handling establishments engaged in the storage, preparation, selling, serving, or processing of food shall be installed in accordance with this paragraph. SPS 382.33(9)(g)1.1. ‘Bar and soda fountain sinks.’ A bar sink, whether installed for hand washing or other use, or a soda fountain sink may discharge to the sanitary drain system through indirect waste piping. SPS 382.33(9)(g)1.a.a. Where the indirect waste piping is not trapped, the wastes shall be discharged by means of an air-gap. SPS 382.33(9)(g)1.b.b. Where the indirect waste piping is trapped, the wastes shall be discharged by means of an air-gap or air-break. SPS 382.33(9)(g)2.2. ‘Beer taps, coffee makers, glass fillers and soda dispensers.’ The drip pan from a beer tap, coffee maker, glass filler, soda dispenser or similar equipment shall discharge to the sanitary drain system through indirect waste piping by means of an air-break or air-gap. SPS 382.33(9)(g)3.3. ‘Novelty boxes, ice compartments and ice cream dipper wells.’ Novelty boxes, ice compartments and ice cream dipper wells shall discharge to the sanitary drain system through indirect waste piping by means of an air-gap. SPS 382.33(9)(g)3.b.b. The indirect waste piping draining a novelty box or ice compartment may not discharge or connect to the indirect waste piping or local waste piping of any other fixture, appliance or device other than a novelty box or ice compartment. SPS 382.33(9)(g)4.4. ‘Refrigerated food storage rooms, compartments and display cases.’ Drains serving refrigerated food storage rooms, compartments or display cases shall discharge to the sanitary drain system through indirect waste piping. The indirect waste piping shall drain by gravity to a receptor by means of an air-gap or air-break. Where an air-break is installed, the flood level rim of the receptor shall be at least 2” below the top of the fixture strainer or drain opening in the refrigerated room, compartment or display case. SPS 382.33(9)(g)5.5. ‘Enclosed food processing equipment.’ Coffee urns, egg boilers, potato peelers, steam kettles, steam tables, vending machines and similar types of enclosed food processing equipment shall be discharged to the sanitary drain system through indirect waste piping by means of an air-gap. SPS 382.33(9)(g)6.6. ‘Food preparation.’ Open culinary sink compartments for thawing or washing food shall discharge to the sanitary drain system through an independent connection by means of an air-gap. The fixture drain upstream of the air-gap shall not exceed a length of 30″. SPS 382.33(9)(h)(h) Sterilizers. Appliances, devices or apparatus, such as stills, sterilizers and similar equipment requiring waste connections and used for sterile materials, shall discharge through indirect waste piping to the sanitary drain system by means of an air-gap. SPS 382.33 NoteNote: See s. SPS 382.50 regarding sterilizer wastes. SPS 382.33(9)(i)(i) Cross connection control devices or assemblies. Where a receptor is provided, the vent port discharge from cross connection control devices or assemblies shall discharge to the receptor by means of an air-gap. SPS 382.33(9)(j)(j) Vacuum systems—central units. Central vacuum units shall discharge by means of an air-gap or air break. SPS 382.33(9)(k)1.1. The backwash and drain wastewater from a swimming pool, wading pool or whirlpool shall discharge in accordance with Table 382.38-1. SPS 382.33(9)(k)2.2. The discharge from deck drains serving indoor pools shall be directed to the sanitary sewer via an air-gap. SPS 382.33(9)(k)3.3. The discharge from deck drains serving outdoor pools shall be directed to the storm sewer by way of an air-gap, air-break, or to grade. The distance from the top of the air-break to the pool deck shall be a minimum of 6 inches, terminating at a point above the top of the receptor receiving the deck drain discharge. SPS 382.33(9)(k)4.4. The requirements for sewer connections as specified in ch. SPS 390 applies to all public swimming pools. SPS 382.33(10)(a)(a) The waste discharge of a water treatment device to the drain system shall be protected in accordance with s. SPS 382.41 with respect to cross connection control. SPS 382.33(10)(b)(b) The indirect waste piping or tubing from a water treatment device shall be of a material conforming to one or more of the standards listed in Tables 384.30-8 or 384.30-11. SPS 382.33 NoteNote: For appliances, devices and equipment not included in this section or other sections contact the department for information and proposed installation review.
SPS 382.33 HistoryHistory: Cr. Register, February, 1985, No. 350, eff. 3-1-85; r. and recr. Table 82.33-1 and (9) (g) 5., cr. (8) (c) 3., (9) (g) 6. and (k), Register, May, 1988, No. 389, eff. 6-1-88; r. and recr., (3), am. (9) (c) 1. a., (d) 2. and (g) 4., Register, August, 1991, No. 428, eff. 9-1-91; am. (8) (d) 1., 2. and (9) (g) 3. b., r. (9) (k), cr. (10), Register, February, 1994, No. 458, eff. 3-1-94; correction in (9) (i) 5., made under s. 13.93 (2m) (b) 7., Stats., Register, February, 1994, No. 458; r. and recr. (9) (f), Register, April, 1998, No. 508, eff. 5-1-98; correction in (9) (i) 5. made under s. 13.93 (2m) (b) 7., Stats., Register, April, 1998, No. 508; r. and recr. (9) (i), cr. Table 82.33-3, Register, December, 2000, No. 540, eff. 1-1-01; CR 02-002: am. (5) (a) 2., (7) (b), (9) (c) 1. b., (e), (g) 6., renum. (8) (a) 1., (9) (a) 2. and (10) to be (8) (a), (9) (a) 2. a. and (10) (a) and am. (9) (a) 2. a., r. (8) (a) 2., r. and recr. (8) (c), (d), (9) (b), (d) 1. and (i), cr. (9) (a) 2. b., (c) 1. c., and (10) (b) Register April 2003 No. 568, eff. 5-1-03; CR 02-129: am. (9) (c) 1. b., r. (9) (d) 3. and table 82.33-3, cr. (9) (k) Register January 2004 No. 577, eff. 2-1-04; CR 08-055: r. and recr. (7) (a), cr. (8) (d) 6. and 7., am. (9) (c) 1. a., b. and (f) 1., r. (9) (c) 1. c. Register February 2009 No. 638, eff. 3-1-09; correction in (8) (d) (intro.) made under s. 13.92 (4) (b) 7., Stats., Register February 2009 No. 638; CR 10-064: am. Table 82.33-2 Register December 2010 No. 660, eff. 1-1-11; correction in (1) (b), (2), (3) (intro.), (5) (a) 1., 2., (b), (9) (c) 2. a., 3. c., (f) 1., (g) 1., (k) 1., 4., (10) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; CR 23-006: r. and recr. Table 382.33-1, am. (6), (8) (d) (intro.), 2., 6., 7., cr. (8) (d) 8., 9., (9) (intro.), (bm), renum. (9) (c) 2. (intro.), a., b. to (9) (c) 2., 1. c., d., and am., am. (9) (c) 3. (intro.), c., Table 382.33-2 (title), (f) (title), cr. (9) (fm), am. (9) (g) (intro.), 1., (k) 3. Register September 2023 No. 813, eff. 10-1-23; correction in (8) (d) (intro.), 6., 8., 9. b., (9) (bm), (c) 2., (fm) made under s. 35.17, Stats., Register September 2023 No. 813. SPS 382.34SPS 382.34 Wastewater treatment and holding devices. SPS 382.34(1)(1) Scope. The provisions of this section set forth the requirements for design and installation of plumbing wastewater treatment and holding devices, appurtenances and systems, including but not limited to interceptors, catch basins, decontamination tanks and dilution and neutralizing basins. SPS 382.34(2)(2) Materials. All piping, devices and appliances for wastewater treatment and holding devices, appurtenances and systems shall be of approved materials in accordance with ch. SPS 384. SPS 382.34(3)(3) General. Any deleterious waste material which is discharged into a plumbing system shall be directed to a wastewater treatment or holding device. The wastewater treatment or holding device shall be capable of separating, diluting or neutralizing the deleterious waste material to a degree that the wastewater is no longer deleterious. Wastewater treatment or holding devices that retain any waste materials shall be designed and installed to facilitate periodic removal or treatment, or both. SPS 382.34(3)(a)1.1. Except as limited in subd. 2., graywater, storm water, clear water, blackwater and other wastewaters as approved by the department may be reused in conformance with s. SPS 382.70. SPS 382.34(3)(a)2.2. Except as provided in subd. 3., wastewater discharged from water closets or urinals shall not be reused for drinking water. SPS 382.34(3)(a)3.3. All treatment works permitted by the department of natural resources, or a POWTS which includes an in situ soil dispersal or treatment component may treat wastewater discharged from water closets or urinals for reuse.
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Chs. SPS 301-399 ; Safety, Buildings, and Environment
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