SPS 382.40(8)(e)2.b.b. Two-inch and larger diameter hydrants serving municipal wastewater treatment plants. SPS 382.40(8)(e)3.3. All control valves and fixture stop valves installed in a water distribution system shall be accessible. Control valves for the individual plumbing fixtures and appliances within dwelling units shall be accessible from within the dwelling unit. SPS 382.40 NoteNote: The installation of two water services or a private water main may require the installation of a check valve. Refer to ch. NR 811 for more information. SPS 382.40(8)(f)(f) Water hammer arrestors. All plumbing fixtures, appliances and appurtenances with 3/8” or larger inlet openings and with solenoid actuated quick closing valves shall be provided with water hammer arrestors. Water hammer arrestors shall be installed in the fixture supplies serving the fixtures, appliances or appurtenances. Water hammer arrestors shall be accessible. SPS 382.40(8)(g)(g) Temperature control. The water temperature to all showers in public buildings shall be controlled by thermostatic or combination thermostatic-pressure balanced mixing valves or by individually controlled pressure balanced mixing valves. A thermostatic or combination thermostatic-pressure balanced mixing valve may not be bypassed. SPS 382.40(8)(h)(h) Fittings and connections. The drilling and tapping of water supply piping shall be prohibited except for: SPS 382.40(8)(i)1.a.a. Before a newly constructed water supply system is to be put into use, the piping of the system shall be flushed with water and disinfected. Each water outlet shall be flushed beginning with the outlet closest to the building control valve and then each successive outlet in the system. The flushing at each water outlet shall continue for at least 1 minute and until the water appears clear and with no trace of disinfectant at the outlet. SPS 382.40(8)(i)1.b.b. Each portion of a water supply system which is altered or repaired shall be flushed for at least one minute and until the water appears clear. SPS 382.40(8)(i)2.2. New private water mains and extensions to private water mains shall be disinfected prior to use in accordance with AWWA C651 or the following method: SPS 382.40(8)(i)2.a.a. The pipe system shall be flushed with clean water until no dirty water appears at the points of outlet. SPS 382.40(8)(i)2.b.b. The system or part thereof shall be filled with a solution of water and chlorine containing at least 50 parts per million of chlorine and the system or part thereof shall be valved off and allowed to stand for 24 hours or the system or part thereof shall be filled with a solution of water and chlorine containing at least 200 parts per million of chlorine and allowed to stand for 3 hours. SPS 382.40(8)(i)2.c.c. Following the allowed standing time, the system shall be flushed with clean potable water. SPS 382.40(8)(i)2.d.d. The procedures shall be repeated if it is shown by a bacteriological examination that contamination still exists in the system. SPS 382.40(8)(i)3.3. The department may require a water quality analysis to be done for a new or repaired water supply system. The analysis shall be performed in accordance with acceptable nationally recognized laboratory practices. If the water supply system has been disinfected, water samples for the analysis may not be taken sooner than 24 hours after disinfection. SPS 382.40 NoteNote: See s. SPS 384.30 (1) regarding the bending of pipe and protection from puncture. SPS 382.40(8)(i)4.4. New or repaired combination water services or combination private water mains shall be flushed and disinfected prior to use in accordance with NFPA 24. SPS 382.40(8)(j)(j) Water softeners. Ion exchange water softeners used primarily for water hardness reduction that, during regeneration, discharge a brine solution shall be of a demand initiated regeneration type equipped with a water meter or a sensor unless a wastewater treatment system downstream of the water softener specifically documents the reduction of chlorides. SPS 382.40(8)(jm)(jm) Water tanks. Water tanks for public, potable use shall meet all of the following criteria: SPS 382.40(8)(jm)1.1. ‘Pneumatic pressure tanks.’ Pneumatic pressure tanks shall conform to all of the following: SPS 382.40(8)(jm)1.c.c. Tanks shall be able to be isolated for maintenance, repair, or replacement and equipped with a drain valve by means of a control valve. SPS 382.40(8)(jm)1.d.d. Water calculations incorporating the size of a pneumatic pressure tank may use a 5-minute peak flow in gallons per minute for the water supply system. The system shall be designed to minimize stagnation. SPS 382.40(8)(jm)1.e.e. Tanks shall be stamped or labeled showing the manufacturer’s name, model number, the tank volume, year manufactured, and the allowable working pressure. SPS 382.40(8)(jm)2.b.b. All water storage tanks and structures shall be watertight and exclude water, rain, snow, birds, animals, insects, and dust. SPS 382.40(8)(jm)3.3. ‘Separation.’ Potable water may not be stored in a tank or compartment adjacent to non-potable water when the two compartments are separated by a single wall. SPS 382.40(8)(jm)4.4. ‘Locks.’ Locks shall be provided on access manholes, inspection covers, fill pipe, fences, ladder cage bottoms, and any other locations deemed necessary to prevent trespassing, vandalism, and sabotage. SPS 382.40(8)(jm)5.5. ‘Drain piping.’ Piping used to drain a storage tank or structure shall discharge to the ground surface through an air gap. The drain may discharge over a drainage inlet receptor, splash pad, or rip rap. SPS 382.40(8)(jm)6.a.a. Tanks or reservoirs shall be provided with overflow piping. The pipe shall open downward between 6 and 12 inches over a drainage inlet, splash pad, or rip rap. Interior tanks within the building structure shall provide overflow piping discharging to an approved clearwater receptor or as approved by the department. SPS 382.40(8)(jm)6.c.c. The overflow outlet pipe shall be of approved material in accordance with Table 384.30-8. SPS 382.40(8)(jm)6.d.d. The overflow outlet pipe shall be sized to permit discharge flow in excess of the maximum fill rate of the inlet pipe flow. SPS 382.40(8)(jm)6.f.f. For storage tanks or reservoirs with more than one compartment and where each compartment can be isolated from the other compartments each compartment shall be provided with its own overflow pipe. SPS 382.40(8)(jm)7.b.b. Piping shall be of approved material in accordance with Table 384.30-8 for locations within the building, above floor, Table 384.30-7 for locations below grade and outside of the building foundation parameters. SPS 382.40(8)(jm)8.a.a. Water tanks or structures shall have convenient access for cleaning and maintenance. SPS 382.40(8)(jm)8.b.b. Manhole openings shall be fitted with a solid watertight cover which overlaps the framed opening and extends down around the opening frame a minimum of 2 inches. A watertight gasket shall be attached to the bottom side of the manhole cover. SPS 382.40(8)(jm)8.c.c. Manhole covers for buried tanks or structures shall be no less than 24 inches above a sloped finished grade. SPS 382.40(8)(jm)8.d.d. Inspection covers shall be watertight and locked securely to prevent unauthorized access. SPS 382.40(8)(jm)9.9. ‘Bypass piping.’ Bypass piping shall be provided allowing the tank or reservoir to be taken out of service for maintenance and inspection purposes when directly connected to a well or municipal water supply. SPS 382.40(8)(jm)10.a.a. Storage tanks shall be vented to the atmosphere. The overflow pipe may not be considered a vent. SPS 382.40(8)(jm)10.b.b. Vents shall be constructed of water distribution materials as per Table 384.30-8, or as approved by the department. SPS 382.40(8)(jm)10.c.c. Vents shall terminate above the top of the tank in a U-bend or vent cap with the opening 24 to 36 inches above grade and covered with a 24-mesh stainless steel screen at a location that is secured. SPS 382.40(8)(jm)10.d.d. Minimum vent size shall allow an air flow consistent with water inflow and outflow rates and shall be not less than 2 inches. SPS 382.40(8)(jm)11.a.a. Exterior tanks may not be located within a flood plain or floodway or within 2 feet above the regional flood elevation. SPS 382.40(8)(jm)11.b.b. The area surrounding a storage tank shall be graded to prevent standing surface water within 50 feet of the tank. SPS 382.40(8)(jm)11.d.d. Tanks shall be separated from potential contamination sources by the applicable separation distances contained in chs. NR 811 and 812 or as otherwise approved by the department of natural resources or as approved by the department. SPS 382.40 NoteNote: See ch. SPS 382 Appendix for further explanatory material. Section NR 812.08 may require additional setbacks. SPS 382.40(8)(jm)12.a.a. Atmospheric pressure tanks shall have a means for maintaining pressure within the building water distribution system. A hydro-pneumatic tank, pump facilities, or other reliable methods shall be provided to maintain system pressure. SPS 382.40(8)(jm)12.b.b. Manual valves shall be installed in the water distribution system to isolate tank and pump equipment from the water distribution system. SPS 382.40(8)(jm)12.c.c. Valves designated for operation of the storage tank shall be visibly recognized as being open or closed. Solenoid valves shall have a control system panel that will have indicators showing visual valve open or closed status. SPS 382.40(8)(jm)12.d.d. Drain valves shall be provided to allow access to the storage tank for maintenance purposes. SPS 382.40(8)(jm)12.e.e. A high water fill valve or float valve shall maintain the storage tank levels to the minimum water storage required for use. A bypass to the fill valve shall be provided. SPS 382.40(8)(jm)12.g.g. A pressure gauge shall be installed downstream of the storage tank and booster pumps. SPS 382.40(8)(jm)12.h.h. A thermometer or sensor shall be installed on the storage tank for water temperature monitoring purposes. SPS 382.40(8)(jm)13.a.a. The influent water supply to the storage tank shall be from an approved source and controlled to maintain the minimum and maximum water levels. SPS 382.40(8)(jm)13.b.b. The influent water supply shall terminate a minimum of 6 inches above the highwater level. SPS 382.40(8)(jm)14.14. ‘Pumps.’ Pumps shall be installed according to the manufacturer specifications and s. SPS382.40 (7) (d) 4. Pump piping shall have required check valves, pressure gauge, isolation valves, and sampling faucet installed on the system. SPS 382.40(8)(jm)15.15. ‘Disinfection.’ Continuous water treatment is required for all storage tanks through a constant water flow through the potable water storage tank. All of the water tank volume shall be turned over every 24 hours. SPS 382.40(8)(jm)16.16. ‘Labeling.’ All piping and control valves serving the storage tank water system shall be labeled in accordance with Table 382.40-1a for specific use. SPS 382.40(8)(jm)17.a.a. The interior and exterior of water storage facilities shall be regularly inspected and maintained in accordance with s. NR 810.14. SPS 382.40(8)(jm)17.b.b. Inspections of storage facilities 10,000 gallons or greater shall be by a professional tank inspection firm or by a registered professional engineer. SPS 382.40(8)(jm)17.c.c. Maintenance shall include removal of sedimentation and biofilm and repairs as necessary to maintain good working condition. SPS 382.40(8)(jm)17.d.d. All storage facilities shall be inspected at least once every 5 years, unless otherwise approved by the department. SPS 382.40(8)(jm)17.e.e. Inspections of vent and overflow screens and hatches shall be conducted at least once per year. SPS 382.40(8)(jm)18.a.a. Records shall be kept of dates of cleaning, relining, and replacement of components or parts.
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Department of Safety and Professional Services (SPS)
Chs. SPS 301-399 ; Safety, Buildings, and Environment
administrativecode/SPS 382.40(8)(jm)2.
administrativecode/SPS 382.40(8)(jm)2.
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