SPS 382.36 NoteNote: Sections SPS 362.1101 to 362.1110 specify that for floor or ground surface inlets when placed within an identifiable accessible route, openings in the floor or ground surface shall be of a size that does not permit the passage of a ½-inch sphere. Also, it states that grates having elongated openings be placed so that the longest dimension is perpendicular to the dominant direction of travel. SPS 382.36(9)(b)3.b.b. Floor or ground surface inlets. Openings in the floor or ground surface shall be of a size that prohibits the entrapment of wheeled vehicles, wheelchairs or pedestrians within the grate openings. SPS 382.36(9)(b)3.c.c. Grates on horizontal pipes. Grates shall be provided on horizontal inlets greater than 6 inches in diameter. The grates shall be placed so that the rods or bars are not more than 3 inches downstream of the inlet. Rods or bars shall be spaced so that the openings do not permit the passage of a 6-inch sphere. SPS 382.36(9)(c)(c) Subsurface areas of 50 square feet or less. Other than stairwells, all subsurface areas not exceeding 50 square feet and exposed to the weather, shall comply with one of the following: SPS 382.36(9)(c)1.1. Drain to foundation drains through a minimum 2-inch diameter pipe or a through a continuous layer of washed stone aggregate. SPS 382.36(9)(c)2.2. Drain to the storm building drain, storm subdrain or storm sewer through a minimum 3-inch diameter pipe. SPS 382.36(9)(d)(d) Subsurface areas of more than 50 square feet and stairwells. An area drain shall be provided in subsurface areas greater than 50 square feet and in all stairwells exposed to the weather. The area drain shall comply with all of the following: SPS 382.36(9)(d)2.2. The fixture drain shall have a minimum 3-inch inside diameter and may not discharge into a subsoil or foundation drain. SPS 382.36(10)(a)(a) General roofs. Conventional roof, deck, and balcony drains shall conform to ASME A112.6.4 and the following: SPS 382.36 NoteNote: Roof structure requirements are contained in chs. SPS 361-366. SPS 382.36(10)(a)1.1. Roof drains shall be equipped with strainers extending not less than 4 inches above the surface of the roof immediately adjacent to the roof drain. Strainers shall have an available inlet area above the roof not less than 1.5 times the area of the conductor to which the drain connects. SPS 382.36(10)(a)2.2. Roof strainers used on sun decks, open parking decks, and similar areas shall be of the flat surface type, shall be level with the deck, and shall have an available inlet area not less than 2 times the area of the conductor to which the drain connects. SPS 382.36(10)(b)(b) Siphonic roof drains. Siphonic roof drains shall conform to ASME A112.6.9 or ASTM F2021 and be indelibly marked with the following minimum information: SPS 382.36(10)(b)1.1. The dome, bodies, and baffle plates shall be marked with the manufacturer’s name or trademark. SPS 382.36(10)(b)2.2. The baffle plate and drain body shall be marked with the baffle plate model number, resistance value, k, and words, “replace missing baffle with model .” SPS 382.36(10)(c)1.1. ‘Application.’ In lieu of sizing the roof drain piping based on actual maximum horizontal roof areas as specified in sub. (5) (a) 1., the roof drain piping may be sized based on the equivalent adjusted maximum horizontal projected roof areas which result from controlled flow and storage of storm water on the roof. SPS 382.36(10)(c)2.2. ‘Installation.’ Control of storm water runoff shall be by control devices. Control devices shall be protected by strainers. SPS 382.36(10)(c)3.3. ‘Sizing.’ Two or more drains shall be installed on roof areas less than or equal to 10,000 square feet in area, 4 or more drains shall be installed on roof areas greater than 10,000 square feet in area. SPS 382.36(10)(c)4.4. ‘Storms.’ The water from a 10-year, 24-hour storm event may not be stored on the roof for greater than 24 hours. SPS 382.36(10)(d)1.1. ‘Sizing.’ When secondary roof drain systems are installed the secondary system shall be sized and installed in accordance with the requirements in this section using the same calculations and methods as the primary system. SPS 382.36(10)(d)2.2. ‘Prohibited connection.’ Secondary roof drain systems may not be connected to primary roof drain systems. SPS 382.36(10)(d)3.3. ‘Discharge.’ All secondary roof drain systems shall discharge in accordance with Table 382.38-1. SPS 382.36(10)(d)4.4. ‘Openings.’ The opening for the secondary roof drainage shall be not less than 2 inches and not more than 4 inches above the bottom opening of the primary roof drain. SPS 382.36(10)(d)5.5. ‘Overflow drains.’ Secondary overflow drains and overflow standpipes rim elevations shall be not less than 2 inches and not more than four inches above the bottom elevation of the primary roof drains. SPS 382.36(10)(d)6.6. ‘Overflow drains.’ Secondary overflow drains and overflow standpipes rim elevations may not exceed 5 inches in height above the adjacent roof elevation served by the primary roof drains. SPS 382.36(12)(a)2.2. Except for exterior loading dock drains, traps are required for exterior drain inlets located within 10 feet of an air inlet, door or openable window. SPS 382.36(12)(a)4.4. A foundation drain that discharges by gravity to a storm sewer shall be trapped. The trap shall be provided with cleanouts. SPS 382.36(12)(b)1.1. A trap receiving clearwater shall be vented in accordance with s. SPS 382.31. Vent piping for a clearwater drain system may not be connected to a vent system serving a sanitary drain system or chemical waste system. SPS 382.36(12)(b)2.a.a. Vents serving a solid covered sump shall terminate a minimum of 1 inch above finished floor or in accordance with s. SPS 382.31 (16), except for s. SPS 382.31 (16) (d) 1. c. In lieu of a separate vent, a sealed sump may incorporate a radon vent connected to the subsoil drain or sump cover. SPS 382.36(13)(a)(a) Plan. An operation and maintenance plan shall be implemented for all stormwater plumbing systems for drainage areas of one or more acres that are installed on or after December 1, 2004. SPS 382.36(13)(b)(b) Plan information. An operation and maintenance plan as required in par. (a) shall include at least all of the following information, applicable to the system: SPS 382.36(13)(b)4.4. Inspection and maintenance checklist, including at least the following items: SPS 382.36(13)(c)(c) Plan location. The operation and maintenance plan shall remain onsite and be available for inspection when requested by the department. SPS 382.36(13)(d)(d) Record of maintenance. When requested the owner shall make available for inspection all maintenance records to the department or agent for the life of the system. SPS 382.36 HistoryHistory: Cr. Register, February, 1985, No. 350, eff. 3-1-85; r. and recr. (3) (a) and (b) 1., (c) 1. and (11) (a) 4., cr. (3) (c) 3., Register, May, 1988, No. 389, eff. 6-1-88; renum. (13) (a) and (b) to be (b) and (c) and am. (b) 1., cr. (3) (b) 3. and (13) (a), r. (3) (c) 3. and (13) (intro.), Register, August, 1991, No. 428, eff. 9-1-91; reprinted to correct error in (5) (e) 2., Register, October, 1991, No. 430; am. (3) (b) 1., (c) 1. a., (13) (b) 1. and (c), cr. (11) (a) 5., Register, February, 1994, No. 458, eff. 3-1-94; r. and recr. (11) (a) 2. and 5., Register, April, 1998, No. 508, eff. 5-1-98; renum. and am. (3) (b) 3. a. to be (3) (b) 3. and (3) (b) 3. b. to be (3) (b) 4., Register, April, 2000, No. 532, eff. 7-1-00; am. (3) (b) 3., (4) (a), (5) (a) and (6) (a), cr. (3) (b) 5. and Table 82.36-4a, Register, December, 2000, No. 540, eff. 1-1-01; CR 02-002: r. and recr. (3), (11) (a) 3., (13) (a) 2., (15) (a) and (b), am. (5) (e) (intro.), (10), (12), (14) and Table 82.36-4 Register April 2003 No. 568, eff. 5-1-03; CR 04-035: r. and recr. Register November 2004 No. 587, eff. 12-1-04; CR 07-069: cr. (7) (d) 10. Register February 2008 No. 626, eff. 3-1-08; CR 08-055: am. (4) (b) 3. and (8) (a) 4., r. and recr. (11) Register February 2009 No. 638, eff. 3-1-09; correction in (2), (3) (c), (4) (a), (6) (a) 1. b., 2. b., 3., (c) 1., 2., (d), (7) (c) 2., (d) 2., 4., 5., 6., 7., 10. a., (9) (b), (11), (c), (12) (b) 1., 2. b. made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; CR 23-006: cr. (3) (d), (e), am. (4) (title), (5) (a) 3., (b), cr. (6) (g) 4., am. Table 382.36-1, Table 382.36-3, (7) (d) 1., cr. (7) (d) 1m., 11., (e), am. (8) (a) 4. a., cr. (8) (a) 5., (b) 3., r. and recr. (10), r. (11), am. (12) (b) 2. a., cr. (13) (b) 1. a. to d. Register September 2023 No. 813, eff. 10-1-23; renum. (13) (b) 1. a. to d. to (13) (b) 8. to 11.; corrections in (12) (b) 2. a. made under s. 13.92 (4) (b) 7. and s. 35.17, Stats., and correction made in (3) (d) 4., (7) (d) 1m., (8) (a) 5. made under s. 35.17, Stats., Register September 2023 No. 813. SPS 382.365SPS 382.365 Stormwater and clearwater subsurface infiltration plumbing systems. SPS 382.365(1)(1) Scope. The provisions of this section set forth the requirements for the design, installation and maintenance of stormwater and clearwater subsurface infiltration plumbing systems serving building sites. SPS 382.365 NoteNote: The department of natural resources has registration requirements for class V injection wells. See ch. SPS 382 Appendix for further explanatory material. SPS 382.365(2)(b)2.2. Individuals qualified to conduct soil evaluation under this subsection shall be an individual that maintains either a registration as provided in s. SPS 305.33 or a license as provided in ch. GHSS 4. SPS 382.365(3)(a)(a) Influent quality. For stormwater and clearwater infiltration plumbing systems, the influent quality shall comply with the requirements in Table 382.70-1 for subsurface infiltration and irrigation. SPS 382.365(3)(am)(am) Site evaluation. All infiltration systems must comply with the requirements of Wisconsin department of natural resources standards for site evaluation for stormwater infiltration and bioretention for infiltration. SPS 382.365(3)(b)1.1. Except as provided in subd. 2., the minimum depth of suitable in situ soil for infiltration systems shall be as specified under subd. 1. a. or b. to separate the system from the highest groundwater elevation or bedrock. When groundwater mounding calculations affect the depth to seasonal groundwater, the depth of suitable soil shall be measured to the calculated elevation of mounded groundwater. SPS 382.365(3)(b)1.a.a. Five feet of suitable soil separation where the soil contains greater or equal to 10 percent and less than or equal to 20 percent fines. SPS 382.365(3)(b)1.b.b. Three feet of suitable soil separation where the soil contains greater than or equal to 20 percent fines. SPS 382.365 NoteNote: Wisconsin department of natural resources standards for site evaluation for stormwater infiltration are found in department of natural resources Conservation Technical Standard 1002.
SPS 382.365(3)(b)2.2. For roof runoff or where treatment has afforded an equivalent level of water quality, the depth of in situ soil shall be no less than one foot of materials finer than coarse sand. SPS 382.365 NoteNote: See ch. SPS 382 Appendix for representative water quality levels. SPS 382.365(3)(bm)(bm) Engineered soil requirements. The installation of a stormwater infiltration system where engineered soil is incorporated in lieu of in situ soil shall comply with all the following: SPS 382.365(3)(bm)1.1. The engineered filtering layer shall be located above any limiting factor identified within the soil report. SPS 382.365(3)(bm)2.2. The engineered soil may not be less than 24 inches in depth, or 18 inches with supporting documentation and department approval. SPS 382.365 NoteNote: Wisconsin department of natural resources standards for bioretention for infiltration are found in department of natural resources Conservation Technical Standard 1004.
SPS 382.365(3)(d)(d) Groundwater mounding. Groundwater mounding consideration shall be included in the design of any stormwater and clearwater subsurface infiltration plumbing system that has a width that exceeds 15 feet and a depth to the estimated highest groundwater elevation.
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Chs. SPS 301-399 ; Safety, Buildings, and Environment
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