SPS 382.36(7)(d)11.
11. Subsoil drain connections to the storm sewer shall be installed at a point above the horizontal center line of the storm sewer in such a manner that the subsoil drain is entirely above the top of the building sewer; or be provided with a backwater valve.
SPS 382.36(7)(e)
(e)
Hydrodynamic stormwater separators. Hydrodynamic stormwater separators shall conform to ASTM F1745/F1745m.
SPS 382.36(8)(a)1.1. `General.' All storm building subdrains shall discharge into a sump, the contents of which shall be automatically lifted and discharged, dispersed or used in accordance with sub.
(4).
SPS 382.36(8)(a)2.a.a. Except as provided in subd.
2. c. and
d., an interior sump shall have a rim extending at least one inch above the floor immediately adjacent to the sump.
SPS 382.36(8)(a)2.b.
b. A sump shall have a removable cover of sufficient strength for anticipated loads.
SPS 382.36(8)(a)2.c.
c. Where a sump is installed in an exterior meter pit or elevator pit, the rim may be level with the floor.
SPS 382.36(8)(a)3.
3. `Location'. All sumps installed for the purpose of receiving clearwater, groundwater or stormwater shall be separated from water wells by the applicable separation distances contained in chs.
NR 811 and
812, or as otherwise permitted by the department of natural resources.
SPS 382.36(8)(a)4.a.a. Except as permitted under subd.
4. b. or
c. the size of each sump shall be no smaller than 16 inches in diameter at the top, 14 inches in diameter at the bottom, and 22 inches in depth, but in no case smaller than the manufacturer requirements to ensure sufficient pump run time.
SPS 382.36(8)(a)4.b.
b. The minimum sump diameter may be smaller than 16 inches when specified by the manufacturer for a combination sump and pump.
SPS 382.36(8)(a)4.c.
c. A sump located in an elevator pit may have a width or diameter of not less than 12 inches and a depth of not less than 12 inches.
SPS 382.36(8)(a)5.
5. `Solid covered sumps.' A storm or clearwater sump with a solid cover shall be vented. The vent shall terminate a minimum of 1 inch above finished floor and be sized per Table 382.31-4. 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(8)(b)1.1. `Size.' The pump shall be of a capacity appropriate for the anticipated use.
SPS 382.36(8)(b)2.a.a. Where a pump discharges into a storm drain system, a check valve shall be installed.
SPS 382.36(8)(b)2.b.
b. The minimum diameter discharge piping shall be based on the design flow rate of the pump and a minimum velocity of one foot/second.
SPS 382.36(8)(b)3.
3. `Clearwater discharge.' Clearwater may not discharge into a stormwater sump, except for one- and 2-family dwellings.
SPS 382.36(9)(a)(a)
Interior clearwater drain inlets. Interior clearwater drain inlets shall terminate at least one inch above the finished floor.
SPS 382.36 Note
Note: For additional information on approved materials, refer to s.
SPS 384.30 (3) (f).
SPS 382.36(9)(b)1.b.
b. All exterior stormwater inlets subject to vehicular traffic shall be set on a suitable base capable of sustaining the anticipated load.
SPS 382.36(9)(b)2.
2. `Design'. All exterior stormwater inlets shall be designed for the anticipated flow.
SPS 382.36 Note
Note: For manhole requirements, refer to s.
SPS 382.35 (3).
SPS 382.36(9)(b)3.a.a. General. All inlets shall be provided with a well-fitted, removable grate of a thickness and strength to sustain the anticipated loads.
SPS 382.36 Note
Note: 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 Note
Note: See ch.
SPS 382 Appendix for further explanatory material.
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 Note
Note: 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)
(d)
Secondary roof drains 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:
