SPS 382.35(3)(c)1.1. Storm building sewers 10” or less in diameter shall be provided with cleanouts or manholes such that: SPS 382.35(3)(c)1.c.c. The distance from a cleanout to a manhole located upstream is not more than 200 feet; or SPS 382.35(3)(c)1.d.d. The distance from a manhole to a cleanout located upstream is not more than 300 feet. SPS 382.35(3)(c)2.2. Storm building sewers 12” or larger in diameter shall be provided with manholes or storm drain inlets with an inside diameter of at least 36” at: SPS 382.35(3)(c)2.a.a. Every horizontal change in direction of more than 45 degrees where the change in direction is created within a distance of less than 10 feet, SPS 382.35(3)(c)2.b.b. Every change in pipe diameter where both connections are 12 inches or larger, and SPS 382.35(3)(d)1.1. Private interceptor main sewers 5″ or less in diameter shall be provided with an exterior cleanout or manhole upstream of the point of the creation of the private interceptor main sewer and such that: SPS 382.35(3)(d)1.c.c. The distance from a cleanout to a manhole located upstream is not more than 200 feet; or SPS 382.35(3)(d)1.d.d. The distance from a manhole to a cleanout located upstream is not more than 300 feet. SPS 382.35(3)(d)2.2. Private interceptor main sewers 6″ or larger in diameter shall be provided with a manhole at: SPS 382.35(3)(d)2.b.b. Every horizontal change in direction of more than 45 degrees where the change in direction is created within a distance of less than 10 feet, SPS 382.35(3)(d)2.c.c. Every change in pipe diameter where both connections are 6 inches or larger, and SPS 382.35(3)(e)(e) Junction of building drain and building sewer. A cleanout shall be provided near the junction of a building drain and a building sewer. SPS 382.35(3)(e)1.1. The cleanout shall be located within 5 feet of where the building drain and the building sewer connect. The cleanout may be located either inside or outside the building. SPS 382.35(3)(e)2.2. A cleanout in a drain stack may serve as the cleanout at the junction of the building drain and building sewer, if the stack is within 5 feet of where the building drain and building sewer connect. SPS 382.35(3)(f)(f) Stacks. Where a cleanout is provided in a drain stack, the cleanout shall be located not more than 60 inches above the lowest floor penetrated by the stack. SPS 382.35(3)(g)1.1. Except as provided in subd. 2., cleanouts shall be provided in connection with batteries of fixtures at such points that all parts of the branch drain may be accessible for cleaning or removal of stoppages. For the purposes of this requirement, removable fixture traps may serve as cleanout openings. SPS 382.35(3)(g)2.2. A cleanout shall not be required for a branch drain when the fixtures on the branch include one floor outlet fixture and any fixtures discharging into an accompanying wet vent. SPS 382.35(3)(h)(h) Greasy wastes. Drain pipes carrying greasy wastes shall be provided with cleanouts located not more than 40 feet apart and at all changes in direction of more than 45°. SPS 382.35(3)(i)(i) Double sanitary tees. A cleanout shall be provided immediately above or below a double sanitary tee drain fitting which is installed in a vertical drain pipe of less than 3” in diameter, unless a stack cleanout is provided in accordance with par. (f). SPS 382.35(3)(j)1.1. All traps shall be constructed or installed so that stoppages may be removed from the traps and the horizontal portions of fixture drains. SPS 382.35(3)(j)2.2. If a trap is not accessible for removal or does not contain a removable dip, a cleanout or a removable inlet shall be installed to enable cleaning of the trap passageway and the horizontal portions of the fixture drain. SPS 382.35(3)(k)(k) Conductors. Where a cleanout is provided in a conductor, the cleanout shall be located 28 to 60” above the lowest floor penetrated by the conductor. SPS 382.35(3)(L)(L) Sampling manholes. Municipalities or sanitary sewage districts by ordinance or rule may require the installation of sampling manholes for periodic sewage monitoring. SPS 382.35 NoteNote: The installation of sampling manholes may be needed for the monitoring of industrial wastes under chs. NR 200 to 299. See ch. SPS 382 Appendix for further explanatory material. SPS 382.35(3)(m)(m) Catch basins and interceptors. The fixture drain from all interceptors designed in accordance with s. SPS 382.34 (4) (a) 2. shall be provided with an accessible cleanout located outside of the basin and not more than 15 inches from the weir of the trap. SPS 382.35(4)(4) Direction of flow. Every cleanout shall be installed so as to open in the direction of the waste flow or at a right angle thereto. SPS 382.35(5)(5) Accessibility. Cleanout plugs shall not be covered with cement, plaster, or any other similar permanent finishing material. SPS 382.35(5)(a)(a) Underground piping. Cleanouts installed in underground drain piping shall be extended vertically to or above the finish grade. SPS 382.35(5)(a)1.1. All interior and exterior cleanouts where the vertical distance between the horizontal drain pipe being served and the top of the cleanout opening exceeds 18 inches in length, shall connect to the drain piping through a fitting as specified in Table 382.30–4. SPS 382.35(5)(a)2.2. A cleanout located outside of a building shall be provided with a frost sleeve. SPS 382.35(5)(a)2.b.b. Where a cleanout is located in an area subject to vehicular traffic the top of the frost sleeve shall terminate in a concrete pad at least 4” thick and extending at least 9” from the sleeve on all sides, sloping away from the sleeve. SPS 382.35(5)(a)2.c.c. The bottom of the frost sleeve shall terminate 6” to 12” above the top of the drain piping or at least 6” below the predicted frost depth in accordance with s. SPS 382.30 Table 382.30-6. SPS 382.35(5)(a)2.d.d. The frost sleeve shall have a removable watertight top of sufficient thickness and strength to sustain the weight of anticipated traffic. SPS 382.35(5)(b)(b) Concealed piping. Cleanout access for drain piping located in concealed spaces shall be provided by either extending the cleanout to at least the surface of a wall or floor or by providing access panels of a sufficient size to permit removal of the cleanout plug and proper cleaning of the pipe. SPS 382.35(6)(a)(a) Cleanouts and cleanout extensions shall be sized in accordance with Table 382.35, except as provided in par. (b). SPS 382.35(6)(b)(b) The replacement or repair of a non-public 6-inch sanitary sewer may be served by an existing 4-inch extension within the building. SPS 382.35(7)(7) Prohibited use of cleanout openings. Cleanout openings shall not be used for the installation of fixtures or floor drains, except where another cleanout of equal access and capacity is provided. SPS 382.35(8)(a)(a) Diameter. The minimum diameter of manholes shall be 42 inches. A manhole shall have a minimum access opening of 23 inches. SPS 382.35(8)(b)(b) Materials. Manholes shall be constructed of approved materials in accordance with ch. SPS 384 and in accordance with the design provisions of s. NR 110.13. SPS 382.35 NoteNote: The provisions of s. NR 110.13 regarding the manhole’s flow channel, watertightness, and drop pipe indicate the following specifications: SPS 382.35 Note—The flow channel through manholes shall be made to conform to the shape and slope of the sewer.
SPS 382.35 Note—Solid watertight manhole covers are to be used wherever the manhole tops may be flooded by street runoff or high water. Where groundwater conditions are unfavorable, manholes of brick or block shall be waterproofed on the exterior with plastic coatings supplemented by a bituminous waterproof coating or other approved coatings. Inlet and outlet pipes are to be joined to the manhole with a gasketed flexible watertight connection or any watertight connection arrangement that allows differential settlement of the pipe and manhole wall to take place.
SPS 382.35 Note—An outside drop pipe is to be provided for a sewer entering a manhole where the invert elevation of the entering sewer is 2 feet or more above the spring line of the outgoing sewer. The entire drop connection shall be encased in the concrete. Inside drop connection may be approved on a case-by-case basis.
SPS 382.35 HistoryHistory: Cr. Register, February, 1985, No. 350, eff. 3-1-85; am. (3) (i), r. and recr. (3) (j), Register, May, 1988, No. 389, eff. 6-1-88; am. (5) (a) 2. a., Register, August, 1991, No. 428, eff. 9-1-91; r. and recr. (3) (j) and (5) (a) 2. c., Register, February, 1994, No. 458, eff. 3-1-94; CR 02-002: am. (3) (a) and (d) 1. (intro.), renum. (3) (g) to be (3) (g) 1. and am., cr. (3) (g) 2. and (m), r. and recr. (5) (a) 1. Register April 2003 No. 568, eff. 5-1-03; CR 08-055: r. and recr. (3) (a), am. (3) (b) 2. a., b., (c) 2. a., b., (d) 2. b., c., (5) (a) 1. and Table 82.35 Register February 2009 No. 638, eff. 3-1-09; correction in (2), (3) (m), (5) (a) 1., 2. a., c., (6), (8) (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; CR 23-006: am. (3) (a) (intro.), (f), r. and recr. (6), am. (8) (a) Register September 2023 No. 813, eff. 10-1-23.; correction in (6) (b) made under s. 35.17, Stats, Register September 2023 No. 813. SPS 382.36SPS 382.36 Stormwater and clearwater plumbing systems. SPS 382.36(1)(1) Scope. The provisions of this section set forth the requirements for the design, installation and maintenance of piping, conveyance, venting, detention and treatment of stormwater and clearwater in plumbing systems. SPS 382.36 NoteNote: Refer to ch. NR 151 for stormwater management requirements. SPS 382.36(2)(2) Materials. All stormwater and clearwater plumbing systems shall be constructed of approved materials in accordance with s. SPS 384.30 (3). SPS 382.36(3)(a)(a) Plumbing systems upstream of detention shall be designed, at a minimum, based on the 10-year, 24-hour storm event. SPS 382.36(3)(b)(b) Plumbing detention systems and plumbing systems located downstream of detention shall be designed based on anticipated flows and volumes. SPS 382.36(3)(d)1.1. Each compartment of a detention tank used for the reduction of total suspended solids shall be provided with a manhole opening. For compartments with multiple inlets or outlets a manhole or a cleanout, as determined under s. SPS 382.35 (6) Table 382.35, shall be provided at all additional inlets and outlets. SPS 382.36(3)(d)2.2. The distance between manhole openings serving the same compartment may not exceed 50 feet. SPS 382.36(3)(d)3.3. A manhole opening shall be not less than 23 inches in the least dimension. SPS 382.36(3)(d)4.4. A manhole shall terminate at or above ground surface and be of approved materials. Steel tanks shall have a minimum 2-inch collar for the manhole extensions permanently welded to the tank. The manhole extension on fiberglass tanks shall be of the same material as the tank and an integral part of the tank. The collar shall have a minimum height of 2 inches. SPS 382.36(3)(d)5.5. Manhole risers shall be provided with a substantial, fitted, watertight cover of concrete, steel, cast iron, or other approved material. SPS 382.36(3)(d)6.6. Manhole covers shall terminate at or above grade and shall have an approved locking device. SPS 382.36(3)(e)1.1. Covers for all tank openings larger than 8 inches in diameter shall be provided with a permanent warning label indicating the dangers of entering the tank, in accordance with this paragraph. SPS 382.36(3)(e)2.2. The warning label shall be securely attached and made of a noncorrosive metal or plastic bearing the legend “DO NOT ENTER WITHOUT PROPER EQUIPMENT” or “DANGEROUS GASES EXIST IN TANK” or similar language. SPS 382.36(3)(e)3.3. The label shall be rectangular in shape with minimum dimensions of 4 by 5 inches. SPS 382.36(3)(e)4.4. The wording on the label shall be a minimum of 1/2 inch in height and be either indented or raised. SPS 382.36 NoteNote: For a listing of best management practices (BMPs) refer to ch. SPS 382 Appendix A-382.36 (3)-1. SPS 382.36 NoteNote: Where local discharge requirements are more stringent, stormwater plumbing systems may provide detention and treatment to comply with the local stormwater management plan.
SPS 382.36(4)(a)(a) Discharge points. The discharge points for stormwater and clearwater shall be as specified in Table 382.38-1. SPS 382.36(4)(b)1.1. Except as provided in subd. 2., stormwater or clearwater piping may not connect to a sanitary drain system. SPS 382.36(4)(b)2.2. Where a combined sanitary-storm sewer system is available, stormwater, clearwater and sanitary wastewater may be combined in the building sewer.
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