Section 384.30. Plumbing materials.

 

(1)   General. When selecting the material and determining size for a plumbing system, due consideration shall be given to the waste that will discharge to the plumbing system and to the soil, liquid and atmospheric environments where the plumbing system will be located.

(a) The bending or offsetting of flexible or annealed pipe or tubing shall be in accordance with the applicable material standard or the instructions of the manufacturer of the pipe or tubing.

(b) Pipe or tubing with gouges, cuts or deep scratches may not be installed.

(c) Pipe or tubing which has been kinked may not be installed.

(d) The bending or offsetting of rigid pipe shall be prohibited.

(e) Nailing plates shall be installed to protect copper or plastic pipe or tubing from puncture.

(f) Pipe and tubing for water distribution systems downstream of treatment devices designed to serve fixtures, appliances and devices that provide < 1 gpm at each outlet shall be sleeved when penetrating a wall, floor or structural member.

(2)   Sanitary drain and vent systems and POWTS inspection and observation piping. Sanitary drain systems and vent systems and POWTS inspection and observation piping shall be of such material and workmanship as set forth in this subsection.

(a) Above ground drain and vent pipe. Except as provided in s. SPS 382.33 (2) , drain pipe and vent pipe installed above ground shall conform to one of the standards listed in Table 384.30-1.

(b) Underground drain and vent pipe. Except as provided in par. (d) , drain pipe and vent pipe installed underground shall conform to one of the standards listed in Table 384.30-2.

(c) Sanitary building sewer pipe. Sanitary building sewer pipe shall conform to one of the standards listed in Table 384.30-3.

(d) Treated wastewater piping.

1. Nonpressurized, nonperforated drain piping conveying treated wastewater from a POWTS treatment or holding component to a POWTS treatment or holding component, distribution cell or dispersal zone shall conform to one of the standards listed in Table 384.30-3.

2. Nonpressurized perforated drain piping conveying treated wastewater in a POWTS soil treatment or dispersal component shall conform to one of the standards listed in Table 384.30-4.

3. Pressurized perforated drain piping conveying treated wastewater in a POWTS treatment or dispersal component shall conform to one of the standards listed in Table 384.30-5 and shall be perforated in accordance with the POWTS design.

(e) Pressurized drain pipe. Except as provided in par. (d) 3. , pressurized drain pipe shall conform to one of the standards listed in Table 384.30-5 and shall be rated for the working pressure and temperature to which it will be subjected for a specific installation.

(f) Chemical drain and vent pipe. Drain systems and vent systems for chemical wastes shall be of approved corrosion resistant material. The manufacturer of the pipe shall indicate to the department the material's suitability for the concentrations of chemicals involved.

(g) Catch basins, interceptors and sumps. Catch basins, interceptors and sumps shall be constructed in a watertight manner of precast reinforced concrete, reinforced monolithic concrete, cast iron, coated 12-gauge steel, vitrified clay, fiberglass, plastic or other approved materials.

(h) Manholes. Manholes shall be constructed in a watertight manner of precast reinforced concrete, reinforced monolithic concrete, brick or block, fiberglass or other approved materials. Fiberglass manholes may be approved for use in traffic areas if the top section of the manhole is not made of fiberglass.

(i) Service suction lines. A service suction line or pump discharge line serving a holding tank for cleaning purposes shall conform to one of the standards listed in Table 384.30-5. Joints and connections for suction lines shall conform to s. SPS 384.40 . The use of mechanical joints shall be in accordance with the recommendations and instructions specified by the manufacturer.

(j) POWTS inspection and observation pipe. A POWTS inspection and observation pipe shall conform to at least one of the standards listed in Table 384.30-1. - See PDF for table

Note a: The installation of synthetic rubber hose is limited in use to indirect waste piping or local waste piping from dishwashers in accordance with s. SPS 382.33 (9) (d) .

Note b: Limited to pipe weight of schedule 40. - See PDF for table

Note a: Copper tubing, type M, may not be installed underground.

Note b: Limited to pipe with a SDR of 26 or less.

Note c: Limited to pipe weight of schedule 40. - See PDF for table

a Thermoplastic sewer pipe shall be installed in accordance with ASTM D2321.

b Copper tubing, type M, may not be installed underground. - See PDF for table

Note a: The pipe shall have 2 rows, and only 2 rows, of perforations parallel to the axis of the pipe and 120 ° + 5 ° apart. The perforations shall be at the nominal 4 and 8 o'clock positions when the pipe is installed. - See PDF for table

a Thermoplastic sewer pipe shall be installed in accordance with ASTM D2321.

b Copper tubing, type M, may not be installed underground.

(3)   Storm and clear water drain and vent systems. Storm and clear water drain and vent systems shall be of such material and workmanship as set forth in this subsection.

(a) Above ground drain and vent pipe. Drain pipe and vent pipe installed above ground and inside a building shall conform to one of the standards listed in Table 384.30-1, except black steel pipe conforming to ASTM A53 may be used for storm water conductors. Black steel conductors may not be embedded in concrete or masonry.

(b) Underground drain and vent pipe. Drain pipe and vent pipe installed underground shall conform to one of the standards listed in Table 384.30-2.

(c) Storm building sewer pipe. Storm building sewer pipe shall conform to one of the standards listed in Table 384.30-6.

(d) Subsoil drain pipe. Subsoil drains shall be open jointed, horizontally split, or perforated pipe conforming to one of the standards listed in Table 384.30-7.

(e) Roof drains.

1. Roof drains shall be provided with removable strainers of sufficient strength to carry the anticipated loads.

2. Roof drains shall be so constructed that the drains can be cleaned and the drain inlets accessible at all time.

3. Roof drains shall be sized in accordance with s. SPS 382.36 and the drain outlet shall not be less than 2 1 / 2 inches in diameter.

(f) Area drain inlets. Area drain inlets shall be constructed in a watertight manner of precast concrete, reinforced monolithic concrete, brick or block, cast iron, coated 12 gauge steel, vitrified clay, fiberglass or other approved materials. - See PDF for table

(4)   Water supply systems. Water supply systems shall be of such material and workmanship as set forth in this subsection. All materials in contact with water, in a water supply system, shall be suitable for use with the water within the system. All pipes and pipe fittings for water supply systems shall be made of a material that contains a weighted average of not more than 0.25 percent [lead] in the wetted surface material.

(a) Water quality. A water supply system shall be resistive to corrosive action and degrading action from the water being conveyed.

(b) Soil and groundwater. The installation of water supply systems shall be prohibited in soil and groundwater that is contaminated with solvents, fuels, organic compounds or other detrimental materials which will cause permeation, corrosion, degradation, or structural failure of the piping material.

1. Where detrimental conditions are suspected, a chemical analysis of the soil and groundwater conditions shall be required to ascertain the acceptability of the proposed water supply system materials for the specific installation.

2. Where a detrimental condition exists, no underground water supply system may be installed until the detrimental condition can be:

a. Eliminated and the source of the condition can be eliminated;

b. Identified and the pipe and joining method can be proven resistant to the detrimental condition; or

c. Avoided by choosing an alternate route that will not be affected by the detrimental condition.

(c) Certification of plastic pipe. Plastic pipe for a water supply system shall be certified for potable water contact by a nationally recognized listing agency acceptable to the department.

(d) Water services and private water mains.

1. Water service pipe and private water mains shall conform to one of the standards listed in Table 384.30-7. Pipe and tubing for water services and private water mains shall have a minimum working pressure of 150 psig at 73.4ºF.

2. A local governmental unit may by ordinance restrict the types of materials for water services and private water mains which are to be located within or beneath an area subject to an easement for a highway, street or public service right-of-way. Before adopting an ordinance restricting the types of materials for water services, the local governmental unit shall submit a copy of the proposed ordinance to the department for review and approval.

3. Materials for combination water services and combination private water mains shall comply with NFPA 24 and the provisions specified in par. (d) .

(e) Water distribution pipe.

1. Except as provided in subd. 2. or 3. , water distribution pipe shall have a minimum working pressure of 100 psig at 180ºF and shall conform to one of the standards listed in Table 384.30-8

2. Cold water distribution pipe installed underground shall have a minimum working pressure of 150 psig at 73.4ºF and shall conform to one of the standards listed in Table 384.30-7 or 384.30-8.

3. Pipe and tubing for cold water distribution systems downstream of water treatment devices designed to serve fixtures, appliances and devices that provide < 1 gpm at each outlet shall conform to one of the standards listed in Table 384.30-8 or 384.30-11, and shall have a minimum working pressure of 100 psig at 73.4ºF.

4. Plastic pipe and tubing for water distribution systems downstream of water treatment devices designed to serve fixtures, appliances and devices that provide < 1 gpm at each outlet shall be marked at intervals not to exceed 4 feet with the following information:

a. The manufacturer's name.

b. The trade designation of the pipe or tubing.

c. The type of material.

d. The minimum working temperature and pressure of the pipe or tubing.

e. The mark of the certifying agency.

(f) Used piping. Piping which has been used for any other purpose than conveying potable water may not be used for water supply systems. - See PDF for table

(5)   Pipe fittings and valves.

(a) Fittings. Pipe fittings shall conform to the pipe material standards listed in this chapter or one of the standards listed in Table 384.30-10. Threaded drain pipe fittings shall be of the recessed drainage type.

(b) Water supply valves.

1. Control valves for water services and private water mains shall be designed and constructed to withstand a minimum pressure of 125 psig at 73.4ºF.

2. Control valves for water distribution systems shall be designed and constructed to withstand a minimum pressure of 100 psig at 180ºF.

3. Except for a valve integral to a device, a control valve which serves 2 or more plumbing fixtures shall have, with the valve in a fully open position, a flow through passageway of not less than one nominal pipe size smaller than the nominal size of the piping connecting to the valve.

4. A control valve which serves 2 or more plumbing fixtures may not be a globe type valve.

(c) Special fittings and valves.

1. Water hammer arrestors shall conform to ASME A112.26.1 or ASSE 1010.

2. Relief valves and automatic gas shutoff devices for hot water supply systems shall conform to ANSI Z21.22.

3. Backwater valves shall conform to ASME A112.14.1, CAN/CSA B181.1 or CAN/CSA B181.2.

4. Pipe applied atmospheric type vacuum breakers shall conform to ASSE 1001, and CAN/CSA B64.1.1.

5. Water pressure reducing valves and strainers for water pressure reducing valves for domestic water supply systems shall conform to ASSE 1003.

6. Hose connection vacuum breakers shall conform to ASSE 1011 or CAN/CSA B64.2.

7. Backflow preventers with intermediate atmospheric vent shall conform to ASSE 1012 and dual check type atmospheric port backflow preventers shall conform to CAN/CSA B64.3.

8. Reduced pressure backflow preventers and reduced pressure fire protection principle backflow preventers, or backflow preventers, reduced pressure principle type (RP) shall conform with ASSE 1013 or CAN/CSA B64.4.

9. Double check backflow prevention assemblies shall conform to ASSE 1015 or CAN/CSA B64.5.

10. Individual thermostatic, pressure balancing, and combination pressure balancing and thermostatic control valves serving individual showers shall conform to ASSE 1016 or CAN/CSA B125.

11. Trap seal primer valves, water fed shall conform to ASSE 1018.

12. Vacuum breaker wall hydrants, freeze resistant automatic draining type shall conform to ASSE 1019, types A or B.

13. Pressure vacuum breaker assemblies shall conform to ASSE 1020 or CAN/CSA B64.1.2.

14. Laboratory faucet backflow preventers shall conform to ASSE 1035 and laboratory faucet type vacuum breakers shall conform to CAN/CSA B64.7.

15. Reduced pressure detector fire protection, backflow prevention assemblies shall conform to ASSE 1047.

16. Double check detector assembly backflow preventers shall conform to ASSE 1048.

17. Back siphonage backflow vacuum breakers shall conform to ASSE 1056.

18. Hose connection backflow preventers shall conform to ASSE 1052.

19. Backflow preventers for carbonated beverage machines shall conform to ASSE 1022.

20. Dual check backflow preventers in freeze resistant types of wall hydrants shall conform to ASSE 1053.

(d) Pipe saddles. Pipe saddles shall be installed in accordance with the instructions of the saddle manufacturer and conform to all of the following limitations:

1. Pipe saddles may be installed on private interceptor main sewers, building sewers, underground drain and vent pipe and tubing, and where otherwise approved by the department.

2. A saddle for drain piping shall have a radius in accordance with s. SPS 382.30 (8) (a) .

3. The material of the saddle shall be compatible with the materials of the pipes which are to be connected to the saddle.

4. The hole in the pipe which is to receive the saddle shall be drilled or cored to match the saddle outlet.

5. Straps or clamps which wrap around the pipe and saddle shall be provided by the manufacturer of the saddle.

6. Saddles shall be installed with straps or clamps which wrap around the pipe and saddle.

7. Proper hangers or bedding shall be provided to maintain alignment between the opening in the pipe and the saddle. - See PDF for table

(6)   Special materials.

(a) Sheet lead. Sheet lead for the following uses may not weigh less than indicated in subds. 1. and 2.

1. Site-fabricated flashings for vent pipes, 3 pounds per square foot; and

2. Prefabricated flashings for vent pipes, 2 ½ pounds per square foot.

(b) Traps and fixture drain connection fittings. Copper or tubular brass traps and fixture drain connection fittings shall be at least of 20 gage material.

(c) Sheet copper. Sheet copper for the following uses may not weigh less than indicated in subds. 1. and 2. and shall conform to ASTM B152.

1. Flashing for vent pipes, 8 ounces per square foot; and

2. Flush tank linings, 10 ounces per square foot.

(d) Cleanout plugs. Cleanout plugs shall be of brass or plastic. Brass cleanout plugs shall be used with metallic piping only and shall conform to ASTM A74. Plastic cleanout plugs shall conform to the requirements of sub. (5) (a) .

(e) Flush pipes and fittings. Flush pipes and fittings shall be of nonferrous material and shall conform to ASME A112.19.5.

(f) Safing material. Safing materials shall be waterproof when subjected to 2 feet of hydrostatic head when tested in accordance with ASTM C1306 or ASTM D4068. The material shall be recognized by the manufacturer for use as a safing material.

(g) Geotextile fabrics. Geotextile fabric used in a POWTS to prevent backfill material from entering the distribution cell shall meet the requirements listed in Table 384.30-12. - See PDF for table

(h) Leaching chambers. Leaching chambers for distribution cell components of POWTS or stormwater subsurface infiltration systems shall meet all of the following requirements:

1. Constructed of corrosion resistant materials.

2. Designed to prevent soil surrounding the chamber from entering the chamber.

3. Capable of withstanding pressures that the leaching chamber is intended to encounter.

(i) Stone aggregate. Stone aggregate which is used as a filtering medium or to create a distribution cell in a treatment or dispersal component of a POWTS or stormwater subsurface infiltration system shall meet all of the following requirements:

1. Conform to ASTM Standard C33 for coarse aggregate prior to washing.

2. Be washed to remove fine material.

3. Be ½ to 2 ½ inch in size.

4. Have a hardness value of at least 3 on Moh's Scale of Hardness.

(j) Sand. Sand that is placed as a filtering medium in a stormwater subsurface infiltration system shall conform to ASTM Standard C33 for fine aggregate.

(k) Synthetic aggregate. Synthetic aggregate that is used as a filtering medium or to create a distribution cell in a treatment or dispersal component of a POWTS or stormwater subsurface infiltration system shall meet all of the following requirements:

1. Be made from inert materials.

2. Be ½ inch to 2 ½ inches in size.

3. Be made of material that will not contaminate groundwater.

4. Be recognized by the manufacturer for use as a filtering media or a material to create a distribution cell.

History: Cr. Register, May, 1988, No. 389 , eff. 6-1-88; am. (4) (intro.), Register, August, 1988, No. 392 , eff. 9-1-88; renum. (2) (e) to (g) to (f) to (h), cr. (2) (e), am. Table 84.30-4, r. and recr. Table 84.30-5, Register, August, 1991, No. 428 , eff. 9-1-91; am. (2) (c), (d) 1. and (e), r. (2) (d) 3., renum. (2) (d) 4. to be (2) (d) 3., cr. (2) (i), Register, April, 1992, No. 436 , eff. 5-1-92; am. (3) (a), Tables 1, 3 to 9, 10 and 11, Register, September, 1992, No. 441 , eff. 10-1-92; am. Table 84.30-9, cr. (4) (g), Register, September, 1993, No. 453 , eff. 10-1-93; am. Tables 84.30-2, 84.30-3, 84.30-6, 84.30-8 and 84.30-9, r. Table 84.30-10a, (6) (a) 1. and (c) 1., cr. (4) (h) and (5) (b) 4., r. and recr. (5) (b) 3., (c) and (6) (f), renum. (6) (a) 2. and 3. and (c) 2. and 3. to be (6) (a) 1. and 2. and (c) 1. and 2., Register, February, 1994, No. 458 , eff. 3-1-94; correction in (6) (a) (intro.) made under s. 13.93 (2m) (b) 7, Stats., Register, February, 1994, No. 458 ; am. Table 84.30-1, (5) (c) 7., 11., 12., 13, 14., cr. (5) (c) 16., 17., Register, February, 1997, No. 494 , eff. 3-1-97 ; am. Tables 84.30-5 and 84.30-9, cr. (6) (g) to (j) and Table 84.30-12 and r. and recr. (2) (d), Register, April, 2000, No. 532 , eff. 7-1-00 except Table 84.30-9, eff. 5-1-00; cr. (5) (c) 10., renum. (5) (c) 10. to 17., to be (5) (c) 11. to 18. and am. (5) (c) 1., 3., 4., 6. to 9., am. Tables 84.30-3, 5, 6, 8, 9, 10 and 11; Register, December, 2000, No. 540 , eff. 1-1-01; reprinted to correct printing error in Table 84.30-1, Register, April, 2001, No. 544 ; CR 02-002 : r. and recr. (1) (intro.), cr. (1) (f), (2) (j), (4) (i), and Table 84.30-11, am. (2) (intro.), (4) (c) to (e), (f) 2. a., (5) (a), (b) 3., (d) and Tables 84.30-1 to 6, r. Tables 84.30-7 and 10, renum. Tables 84.30-8 to 9m and 11 to be Tables 84.30-7 to 10 and am., Register April 2003 No. 568 , eff. 5-1-03; CR 02-129 : am. (2) (j) and (4) (e) 2., renum. (4) (d) to be (4) (d) 1., cr. (4) (d) 2. and (4) (e) 4., r. and recr. (4) (e) 3., r. (4) (i) Register January 2004 No. 577 , eff. 2-1-04; CR 04-035 : cr. (4) (d) 3. and (6) (k), am. (5) (c) 8., (6) (h) (intro.), (i) (intro.) and (j) (intro.) Register November 2004 No. 587 , eff. 12-1-04; CR 07-100 : am. (6) (j) Register September 2008 No. 633 , eff. 10-1-08; CR 08-055 : cr. (5) (c) 20., am. (4) (e) 2., Tables 84.30-2, 84.30-5 to 84.30-8 and 84.30-10, r. (4) (f) and (g), renum. (4) (h) to be (4) (f) Register February 2009 No. 638 , eff. 3-1-09; CR 10-064 : am. (4), Tables 84.30-7 and 84.30-8 Register December 2010 No. 660 , eff. 1-1-11; correction in (2) (a), (b), (c), (d) 1., 2., 3., (e), (i), (j), (3) (a), (b), (c), (d), (e) 3., (4) (d), (e) 1., 2., 3., (5) (a), (d) 2., (6) (g), Table 384.30-1, Table 384.30-10 made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672 ; CR 13-062 : am. (4) (intro.) Register February 2014 No. 698 , eff. 3-1-14.

Note

See s. SPS 382.36 (10) and (11) for additional roof drain requirements. Microsoft Windows NT 6.1.7601 Service Pack 1 a Thermoplastic sewer pipe shall be installed in accordance with ASTM D2321. Microsoft Windows NT 6.1.7601 Service Pack 1 b Copper tubing, type M, may not be installed underground. Microsoft Windows NT 6.1.7601 Service Pack 1 CR 13-062 inadvertently omitted the word "lead". A correction will be made in subsequent rulemaking. Microsoft Windows NT 6.1.7601 Service Pack 1 For a listing of nationally recognized agencies acceptable to the department, see ch. SPS 384 Appendix A-384.11. Microsoft Windows NT 6.1.7601 Service Pack 1 Portions of a water supply system that supply water to a water-based fire protection system are to also conform to chs. SPS 361 to 365 . Microsoft Windows NT 6.1.7601 Service Pack 1 See ch. SPS 384 Appendix for further explanation. Microsoft Windows NT 6.1.7601 Service Pack 1 a Plastic water service systems shall be installed in accordance with ASTM D2774. Microsoft Windows NT 6.1.7601 Service Pack 1 b Copper tubing, type M, may not be installed underground. Microsoft Windows NT 6.1.7601 Service Pack 1 c Copper pipe or tubing shall not be installed if the pH of the water to be conveyed is 6.5 or less. - See PDF for table Microsoft Windows NT 6.1.7601 Service Pack 1 a Plastic pipe and tubing installed underground shall be in accordance with ASTM D2774. Microsoft Windows NT 6.1.7601 Service Pack 1 b Copper tubing, type M, may not be installed underground. Microsoft Windows NT 6.1.7601 Service Pack 1 c Use is limited to pipe 2 1 / 2 inches or less in diameter for sch 80 and 1 inch or less in diameter for sch 40. Microsoft Windows NT 6.1.7601 Service Pack 1 d Use is limited to pipe with a SDR 11 or less. Microsoft Windows NT 6.1.7601 Service Pack 1 e Copper pipe or tubing shall not be installed if the pH of the water to be conveyed is 6.5 or less. - See PDF for table Microsoft Windows NT 6.1.7601 Service Pack 1 a Plastic pipe and tubing installed underground shall be in accordance with ASTM D2774. Microsoft Windows NT 6.1.7601 Service Pack 1 b Copper tubing, type M, may not be installed underground. Microsoft Windows NT 6.1.7601 Service Pack 1 Reduced pressure backflow preventers and reduced pressure detector fire protection backflow preventers are not permitted for cross connection control. Microsoft Windows NT 6.1.7601 Service Pack 1 Double check fire protection backflow preventer assemblies are not permitted for cross connection control. Microsoft Windows NT 6.1.7601 Service Pack 1 a Steel fittings and malleable iron fittings to be used in a water supply system shall be galvanized-coated in accordance with ASTM A123/123M. Microsoft Windows NT 6.1.7601 Service Pack 1 b See s. SPS 384.30 (4) (intro.) concerning the maximum lead content for fittings. Microsoft Windows NT 6.1.7601 Service Pack 1 c Copper and copper alloy fittings conforming to MSS SP-103, may not be installed underground. - See PDF for table Microsoft Windows NT 6.1.7601 Service Pack 1 a These materials are approved for cold water use only. Microsoft Windows NT 6.1.7601 Service Pack 1 b Copper tubing, Type M, shall not be installed underground. Microsoft Windows NT 6.1.7601 Service Pack 1 c Copper pipe or tubing shall not be installed if the pH of the water to be conveyed is 6.5 or less. Microsoft Windows NT 6.1.7601 Service Pack 1 Stone that can scratch a copper penny without leaving any residual stone material on the penny has a hardness value of at least 3 on Moh's Scale of Hardness. Microsoft Windows NT 6.1.7601 Service Pack 1