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SPS 382.30(11)(e)3.b. b. Removal of wet and yielding material to a depth of 24 inches or to solid material and replacement of the unstable material with limestone screenings, pea gravel or equivalent material.
SPS 382.30(11)(e)3.c. c. Install a longitudinally reinforced concrete cradle the width of the trench and at least 3 inches thick.
SPS 382.30(11)(e)3.d. d. Install a longitudinally reinforced concrete slab the width of the trench and at least 3 inches thick.
SPS 382.30(11)(e)3.e. e. Backfill and bedding shall comply with subd. 2. d. to h.
SPS 382.30(11)(e)4. 4. `Backfill completion.' Care shall be exercised in placing the balance of the backfill to prevent breakage of the pipe. Large boulders or rock, concrete slabs, or frozen masses shall not be used in the backfill. At least 36 of backfill cover shall be provided over the top of the pipe before the pipe trench is wheel-loaded.
SPS 382.30(11)(e)5. 5. `Pipe openings protected.' The ends of all pipes not immediately connected shall be closed so as to prevent the introduction of earth or drainage from an excavation.
SPS 382.30(11)(f) (f) Connection to public sewer. The connections of building sewers to public sewers shall be in accordance with conditions of approval for the public sewer granted by the department of natural resources under s. 281.41, Stats.
SPS 382.30(11)(f)1. 1. `Gravity public sewer.' When a building sewer connection to the public sewer is not found within 3 feet of the point designated by the local governing body or its authorized representative, the connection shall be made in accordance with one of the provisions specified in subd. 1. a. to d.
SPS 382.30(11)(f)1.a. a. A saddle fitting approved by the department and acceptable to the municipality or sanitary district shall be installed.
SPS 382.30(11)(f)1.b. b. Where acceptable to the municipality or sanitary district a portion of the main sewer may be removed and a tee or wye fitting approved by the department may be inserted with compression joints in the public sewer acceptable to the municipality or the sanitary district. The insertion shall be made under the supervision of the authorized representative of the municipality or the sanitary district.
SPS 382.30(11)(f)1.c. c. When the public sewer is concrete or clay, the end of the connecting sewer may be set upon or in an opening cut into the top half of the public sewer, but shall not protrude into the public sewer. The connection shall be secured by encasing the main sewer pipe and the connection in concrete at least 3" thick so as to assure permanency of the connection and adequate backing of the public sewer pipe.
SPS 382.30(11)(f)1.d. d. In lieu of the use of a fitting and in the event that an opening cannot be located in the top half of the public sewer, a length of concrete or clay public sewer pipe may be removed and a section with a wye fitting shall be inserted in its place. The joints at the ends of the section shall be encased in concrete at least 3" thick. The connection or insertion shall be made under the supervision of the authorized representative of the municipality or the sanitary district.
SPS 382.30(11)(f)2. 2. `Pressurized public sewer.' Where a forced building sewer discharges to a pressurized public sewer all of the following requirements shall apply:
SPS 382.30(11)(f)2.a. a. A curb stop shall be installed on the same property as close as possible to the connection to the common forced main sewer.
SPS 382.30(11)(f)2.b. b. A check valve shall be installed in the pressurized building drain or building sewer.
SPS 382.30(11)(f)2.c. c. An accessible quick disconnect shall be installed upstream of the check valve.
SPS 382.30 Note Note: See ch. SPS 382 Appendix for further explanatory material.
SPS 382.30(11)(g) (g) Prohibited installations.
SPS 382.30(11)(g)1.1. `Harmful discharge.' No person may connect to a public sewer any building drain or building sewer through which is discharged any substance likely to cause undue corrosion, obstruction, nuisance, explosion or interference with sewage treatment processes.
SPS 382.30(11)(g)2. 2. `Storm water and clear water connections.' Except as provided in s. SPS 382.36 (3), storm drain piping and clear water drain piping may not discharge to a sanitary building drain which connects to a publicly-owned treatment works.
SPS 382.30 Note Note: See s. SPS 382.36 for provisions relative to storm sewers.
SPS 382.30(11)(h) (h) Locating requirements. A means to locate buried non-metallic sewers and private interceptor main sewers discharging to municipal mains shall be accomplished in accordance with one of the following options:
SPS 382.30 Note Note: See ch. SPS 382 Appendix for further information.
SPS 382.30(11)(h)1. 1. A tracer wire shall be installed in accordance with all of the following:
SPS 382.30(11)(h)1.a. a. Tracer wire shall be installed along the length of the non-metallic pipe.
SPS 382.30(11)(h)1.b. b. Tracer wire shall be a minimum of 18 gauge, insulated, single-conductor copper wire or equivalent.
SPS 382.30(11)(h)1.c. c. Tracer wire shall be located directly above and within 6 inches of the non-metallic pipe.
SPS 382.30(11)(h)1.d. d. Tracer wire shall be accessible and locatable within the owner's property at 400-foot intervals or increments thereof.
SPS 382.30(11)(h)1.e. e. Exterior access locations shall include a means of protecting the tracer wire.
SPS 382.30(11)(h)1.f. f. In-ground sleeves shall be installed as provided in s. SPS 382.35 (5) (a) 2. c. and d.
SPS 382.30(11)(h)1.g. g. Where tracer wire is more than 6 inches from the pipe, tracer wire insulation color shall comply with subd. 1. h.
SPS 382.30(11)(h)1.h. h. Tracer wire insulation color for non-metallic sewer pipe shall be green.
SPS 382.30(11)(h)1.i. i. Tracer wire conductivity shall be tested prior to use.
SPS 382.30(11)(h)1.j. j. Conductive warning tape may not be utilized in lieu of tracer wire.
SPS 382.30(11)(h)2. 2. Global positioning system data shall be recorded with the municipality where the non-metallic pipe is installed.
SPS 382.30(11)(h)3. 3. Another equally-effective means acceptable to the department shall be employed to mark the location of the non-metallic pipe.
SPS 382.30(12) (12)Private interceptor main sewers.
SPS 382.30(12)(a)(a) The connection of a private interceptor main sewer to a public sewer shall be in accordance with the conditions of approval for the public sewer granted by the department of natural resources under s. 281.41, Stats.
SPS 382.30(12)(b) (b) Private interceptor main sewers which discharge to a municipal treatment facility shall be designed in accordance with the appropriate water quality management plan.
SPS 382.30(12)(c) (c) All private interceptor main sewers shall be tested in accordance with s. SPS 382.21.
SPS 382.30(12)(d) (d) Private interceptor main sewers 6" or less in diameter shall be installed in accordance with the criteria for building sewers specified in sub. (11) (b) and (c) and (d) and (e).
SPS 382.30(12)(e) (e) Private interceptor main sewers 8" or larger in diameter shall be:
SPS 382.30(12)(e)1. 1. Provided with frost protection in accordance with sub. (11) (c); and
SPS 382.30(12)(e)2. 2. Installed in accordance with the municipal sewer criteria specified in s. NR 110.13.
SPS 382.30(12)(f) (f) No private interceptor main sewer may pass through or under a building to serve another building, unless one of the following conditions are met:
SPS 382.30(12)(f)1. 1. The private interceptor main sewer serves farm buildings, farm houses, or both which are located on one property.
SPS 382.30(12)(f)2. 2. The private interceptor main sewer serves buildings that are located on one property and a document, which indicates the piping and distribution arrangement for the property and buildings, shall be recorded with the register of deeds no later than 90 days after installation.
SPS 382.30(13) (13)Location of drain piping.
SPS 382.30(13)(a)(a) Drain piping located below the ceilings of areas where food, ice or potable liquids are prepared, handled, stored or displayed shall be installed with the least number of joints and shall be installed in accordance with subds. 1. to 5.
SPS 382.30(13)(a)1. 1. All pipe openings through floors shall be provided with sleeves bonded to the floor construction and protruding not less than one inch above the top of the finish floor with the space between sleeve and the piping sealed.
SPS 382.30(13)(a)2. 2. Plumbing fixtures, except bathtubs and showers, shall be of the wall mounted type. Bathtubs shall have waste and overflow connections made above the floor and piped to a trap below the floor.
SPS 382.30(13)(a)3. 3. Floor and shower drains installed shall be equipped with integral seepage pans.
SPS 382.30(13)(a)4. 4. Cleanouts for piping shall be extended through the floor construction above.
SPS 382.30(13)(a)5. 5. Piping subject to operation at temperatures that will form condensation on the exterior of the pipe shall be thermally insulated.
SPS 382.30(13)(b) (b) Where drain piping is located in ceilings of areas where food, ice or potable liquids are prepared, handled stored or displayed, the ceilings shall be of the removable type, or shall be provided with access panels in order to provide an access for inspection of the piping.
SPS 382.30(13)(c) (c) Exposed drain piping shall not be located over a pool, surge tank or an open filter for a pool.
SPS 382.30 History History: Cr. Register, February, 1985, No. 350, eff. 3-1-85; am. Table 82.30-1, (8) (a), (9) (c) (intro.) and 3., and (10) (b) 3. b., r. and recr. (4) (d) 2., Table 82.30-4, (10) (a) 2. b., (11) (intro.) and (f) 2., cr. (8) (a) 1. to 3. and (9) (d), r. (9) (c) 4., renum. (9) (c) 5. to be 4. and am., Register, May, 1988, No. 389, eff. 6-1-88; r. and recr. (4) (d), am. Table 82.30-3 and 82.30-7, r. (11) (intro.), renum. (11) (a) to (f) to be (b) to (g), cr. (11) (a) and (12) (f), Register, August, 1991, No. 428, eff. 9-1-91; am. Table 82.30-1, Register, April, 1992, No. 436, eff. 5-1-92; am. (7) (a) and (b), (11) (c) 1. a., (12) (e) 1. and Table 82.30-1, cr. (10) (a) 5., r. (11) (b) 1. b., renum. (11) (b) 1. c. to be (11) (b) 1. b., Register, February, 1994, No. 458, eff. 3-1-94; reprinted to restore dropped copy in (10) (b) 3. b., Register, July, 1994, No. 463; corrections in (11) (f) and (12) (g) made under s. 13.93 (2m) (b) 7., Stats., Register, April, 1998, No. 508; am. (11) (g) 2., Register, April, 2000, No. 532, eff. 7-1-00; CR 02-002: am. (4) (d) 5., (5) (b) 2. b., (c) 2., (10) (a) 2., (b) 4. b., (11) (b) 1. a., (c) 2. a. to c., 3. (intro.), (g) 2., (12) (f) (intro.) and 1., and Tables 82.30-1, 2, 3, 5 and 6, cr. (10) (b) 2. d., (c), (d), (11) (b) 3. b. and (c) 2. e., r. and recr. (11) (a) 2., (d), and (12) (f) 2., renum. (11) (b) 3., (c) 3. b. and c. to be (11) (b) 3. a., (c) 3. c. and d., Register April 2003 No. 568, eff. 5-1-03; CR 04-035: r. (3) (b) 32. a., am. Table 82.30-1 Register November 2004 No. 587, eff. 12-1-04; CR 07-069: cr. (11) (h) Register February 2008 No. 626, eff. 3-1-08; CR 08-055: am. (3), (6) (a) 2., (b) 1. to 3., (10) (a) 1., Tables 82.30-1 and 82.30-3, r. (4) (b), renum. (4) (c) to (e) and (11) (h) 1. g. to i. to be (4) (b) to (d), and (11) (h) 1. h. to j., r. and recr. (6) (b) 4., 5., (11) (e) 2., 3., (f) 2. and Table 82.30-2, cr. (11) (h) 1. g. Register February 2009 No. 638, eff. 3-1-09; correction in (6) (a) made under s. 13.92 (4) (b) 1., Stats., Register February 2009 No. 638; CR 10-064: am. (6) (a) 2., (b) (intro.), 5. a., Table 82.30-2, cr. (6) (c) Register December 2010 No. 660, eff. 1-1-11; correction in (2), (3) (a) 1., 2., (4) (a) 1., (c) 4., (5) (b) 1., 2. a., (c) 1., (6) (a) 2., (b) 5. a., b., (c), (8) (a), (9) (d), (10) (a) 3., 4., (d) 1. b., (11) (c) 2. d., 3. a., b., c., (g) 2., (h) 1. f., (12) (c), Table 328.30-1, Table 328.30-2 made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 382.31 SPS 382.31Vents and venting systems.
SPS 382.31(1) (1)Scope. The provisions of this section set forth the requirements for the design and the installation of vents and venting systems.
SPS 382.31(2) (2)Materials. All vents and venting systems shall be constructed of approved materials in accordance with ch. SPS 384.
SPS 382.31(3) (3)General.
SPS 382.31(3)(a)(a) Vents. Every trap and trapped plumbing fixture shall be provided with an individual vent, except as otherwise permitted in this chapter. Vents and venting systems shall be designed and installed so that the water seal of a trap shall be subject to a maximum pneumatic pressure differential equal to one inch of water column.
SPS 382.31(3)(b) (b) Main stack. Each gravity-flow sanitary building sewer shall be served by at least one stack which extends from a building drain to a vent terminal or vent header. The stack shall be not less than 3 in diameter from the building drain to the vent terminal or vent header.
SPS 382.31(4) (4)Vent stacks and stack vents.
SPS 382.31(4)(a)(a) Where required. A vent stack and a stack vent shall be installed to serve any drain stacks of 5 or more branch intervals.
SPS 382.31(4)(b) (b) Installation.
SPS 382.31(4)(b)1.1. The connection of the vent stack to a drain stack shall be at or below the lowest branch drain connection to the drain stack. The connection to the drain stack shall be by means of a wye pattern fitting installed in a vertical portion of the stack.
SPS 382.31(4)(b)2. 2. A vent stack and a stack vent shall:
SPS 382.31(4)(b)2.a. a. Extend to a vent terminal in accordance with sub. (16);
SPS 382.31(4)(b)2.b. b. Connect to a vent stack which extends to a vent terminal; or
SPS 382.31(4)(b)2.c. c. Connect to a stack vent at least 6" above the flood level rim of the highest fixture discharging into a drain stack.
SPS 382.31(4)(b)3. 3. Vent stacks and stack vents may connect into a common vent header and then shall extend to a vent terminal.
SPS 382.31(4)(b)4. 4. The connection of a vent stack with another vent may not be less than 38 above the next higher floor level where the plumbing fixtures are vented, but in no case lower than 2" above the elevation of the highest flood level rim of any fixture served by the vent.
SPS 382.31 Note Note: See ch. SPS 382 Appendix for further explanatory material.
SPS 382.31(5) (5)Relief and yoke vents for stack offsets.
SPS 382.31(5)(a)(a) Vents serving offsets of 30 to 45° in drain stacks.
SPS 382.31(5)(a)1.1. Except as permitted in subd. 2., where a horizontal branch connects to a drain stack within 2 feet above or below an offset with a change of direction of 30 to 45° from the vertical and the offset is located below 5 or more branch intervals, the offset shall be vented in accordance with par. (b) 1. to 3.
SPS 382.31(5)(a)2. 2. Where the drain stack and offset are sized as building drain as per Table 382.30–3, the vents serving the offset of 30 to 45° in a drain stack are not required.
SPS 382.31(5)(b) (b) Vents serving offsets of more than 45o in drain stacks. Offsets of more than 45o in drain stacks shall be vented where 5 or more branch intervals are located above the offset. The offset shall be vented by venting the upper and lower section of the stack.
SPS 382.31(5)(b)1. 1. `Upper section.' The upper section of the stack shall be vented as a separate stack with a vent stack connection installed in accordance with sub. (4). The offset shall be considered the base of the stack.
SPS 382.31(5)(b)2. 2. `Vent connection above offset.' The vent stack shall connect with a wye pattern fitting above the stack offset and at or below the lowest drain branch above the offset.
SPS 382.31(5)(b)3. 3. `Lower section.' The lower section of the stack shall be vented by a yoke vent connecting below the offset above or at the next lower horizontal branch.
SPS 382.31(5)(b)3.a. a. Except as provided in subd. 3. b., the connection of the yoke vent to the drain stack shall be by means of a wye pattern fitting.
SPS 382.31(5)(b)3.b. b. The yoke vent connection may be a vertical extension of the stack.
SPS 382.31(5)(b)3.c. c. The connection of the yoke vent to another vent shall not be less than 38 inches above the next higher floor level where plumbing fixtures are installed that discharge into the drain stack.
SPS 382.31(6) (6)Relief vents for stacks of more than 10 branch intervals.
SPS 382.31(6)(a)(a) Drain stacks of more than 10 branch intervals shall be provided with a relief vent at each tenth interval installed.
SPS 382.31(6)(b) (b) The lower end of the relief vent required in par. (a) shall connect to the stack by use of a wye pattern fitting below the horizontal branch serving that floor.
SPS 382.31(6)(c) (c) The upper end of the relief vent required in par. (a) shall connect to the vent stack not less than 38 inches above the next higher floor level where plumbing fixtures are installed that discharge into the drain stack.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.