SPS 382.41(3)(b)3.b. b. Any other piping system conveying water from nonpotable sources, including but not limited to lakes, rivers, streams or creeks.
SPS 382.41(3)(b)4. 4. Except as provided in subd. 5., a high hazard cross connection situation shall be considered to exist at:
SPS 382.41(3)(b)4.a. a. A water supply hose bibb, faucet, wall hydrant, sill cock or other outlet which terminates with hose threads allowing a hose to be attached;
SPS 382.41(3)(b)4.b. b. A water supply faucet, wall hydrant or other outlet which terminates with a serrated nipple allowing a hose to be attached;
SPS 382.41(3)(b)4.c. c. A water supply faucet, hydrant or outlet serving a sink used for building maintenance in a public building;
SPS 382.41(3)(b)4.d. d. A chemical pot-feeder or automatic chemical feeder is installed to serve a boiler, cooling tower or chilled water system; and
SPS 382.41(3)(b)4.e. e. In the water supply piping connecting to the outlet of a fire hydrant for any purpose other than fire suppression.
SPS 382.41(3)(b)5. 5. A cross connection shall not be considered to exist at the hose threaded outlet installed for the sole purpose of:
SPS 382.41(3)(b)5.a. a. Draining a water supply system or any portion thereof;
SPS 382.41(3)(b)5.b. b. Obtaining water quality samples of the water supply system or any portion thereof; or
SPS 382.41(3)(b)5.c. c. Connecting individual residential automatic clothes washers.
SPS 382.41(3)(b)6.a.a. A high hazard situation shall be considered to exist for the connection of 2 water supply systems one supplied by a public water supply and the other system supplied by a private well.
SPS 382.41 Note Note: The interconnection of a public water supply system and another source of water is addressed in s. NR 811.09 and must be approved by the Department of Natural Resources.
SPS 382.41(3)(b)6.b. b. Except as provided in subd. 7., a low hazard situation shall be considered to exist for the connection of a piping system, including but not limited to automatic fire sprinkler systems, standpipe systems, and processing purposes, which provides potable water for nonrequired potable water uses.
SPS 382.41 Note Note: Cross connection control devices used in conjunction with automatic fire sprinkler systems are to be listed by an acceptable testing agency for such an application under the standards governing the design and installation of automatic fire sprinkler systems.
SPS 382.41(3)(b)7. 7. A cross connection situation shall not be considered to exist when a multipurpose piping system serves a one- or 2- family dwelling provided the sprinkler system is constructed of materials and joints suitable for water distribution systems as specified in ss. SPS 384.30 (4) (e) and 384.40, respectively.
SPS 382.41(3)(c) (c) Containment.
SPS 382.41(3)(c)1.1. For sewerage treatment facilities which are required to conform with ch. NR 110, in addition to the cross connection control required for each potable water usage or water outlet, a reduced pressure principle backflow preventer shall be installed:
SPS 382.41(3)(c)1.a. a. In the water service to each building or structure within the complex;
SPS 382.41(3)(c)1.b. b. In the private water main upstream of all water services serving the facility; or
SPS 382.41(3)(c)1.c. c. In the water distribution system upstream of all water outlets and in the process piping network upstream of all points of use, if both a water distribution system and a process network is contained within the same building or structure.
SPS 382.41(3)(c)2. 2. For marinas, wharves and docks where potable water outlets are provided to serve boats or ships, in addition to the cross connection control required for each potable water outlet or usage, a reduced pressure principle backflow preventer shall be installed in the water supply system to limit backflow into the water supply source.
SPS 382.41(3)(c)3. 3. The installation of a cross connection control device in the water supply system for a building or structure shall not alleviate the requirement to provide cross connection control for the connection of each plumbing fixture, piece of equipment, appliance or other piping system.
SPS 382.41(3)(d) (d) Prohibitions. The use of a toxic solution as a heat transfer fluid in single-wall heat exchanger for potable water is prohibited.
SPS 382.41(3)(e) (e) Existing automatic fire sprinkler systems. An alteration, modification or addition to an existing automatic fire sprinkler shall necessitate conformance with this section, if the:
SPS 382.41(3)(e)1. 1. Existing water supply line to the existing sprinkler system is increased in diameter; or
SPS 382.41(3)(e)2. 2. Existing device or method which had been previously recognized to address cross connection concerns is to be removed or replaced. - See PDF for table PDF - See PDF for table PDF
a See limitation listed under s. SPS 382.41 (4) (c) 1. a. - See PDF for table PDF
SPS 382.41(4) (4)Limitations.
SPS 382.41(4)(a)(a) Cross connection control devices shall be limited in use in accordance with the respective standard, unless otherwise specifically permitted under this subsection.
SPS 382.41(4)(b)1.1. Except for a deck-mounted device, a pipe applied atmospheric vacuum breaker shall be installed such that the bottom of the device or the critical level mark on the device is at least 6 above all of the following:
SPS 382.41(4)(b)1.a. a. The flood level rim of the receptor serving the water supply port.
SPS 382.41(4)(b)1.b. b. The highest point downstream from the device where backpressure would be created.
SPS 382.41(4)(b)1.c. c. The highest point of an injection or aspiration port.
SPS 382.41(4)(b)2. 2. A deck-mounted pipe applied atmospheric type vacuum breaker shall be installed such that the bottom of the device or the critical level mark on the device is at least one inch above all of the following:
SPS 382.41(4)(b)2.a. a. The flood level rim of the receptor serving the water supply port.
SPS 382.41(4)(b)2.b. b. The highest point downstream from the device where backpressure would be created.
SPS 382.41(4)(b)2.c. c. The highest point of an injection or aspiration port.
SPS 382.41(4)(c)1.a.a. The use a of a hose connection backflow preventer, dual check backflow preventer wall hydrant-freeze resistant or a hose connection vacuum breaker in a continuous pressure situation shall be limited to campgrounds and marinas.
SPS 382.41(4)(c)1.b. b. The use of a hose connection backflow preventer and a hose connection vacuum breaker shall be limited to the discharge side of a control valve such as a faucet or hose bibb.
SPS 382.41(4)(c)2. 2. A hose connection backflow preventer and a hose connection vacuum breaker may not be employed in backpressure situations of more than 10 feet of water column.
SPS 382.41(4)(d) (d) A backflow preventer with intermediate atmospheric vent:
SPS 382.41(4)(d)1. 1. May not be employed in backpressure situations of more than 150 psig; and
SPS 382.41(4)(d)2. 2. May not serve boilers having a maximum steam pressure setting greater than 15 psig or a maximum water pressure setting greater than 30 psig.
SPS 382.41(4)(e)1.1. A reduced pressure principle backflow preventer and a reduced pressure detector backflow preventer may not be subjected to a backpressure greater than twice the rated working pressure of the device.
SPS 382.41(4)(e)2. 2. A reduced pressure principle backflow preventer and a reduced pressure detector backflow preventer which serve a water-based fire protection system may have a test outlet located between the number 2 check valve and the number 2 listed indicating control valve.
SPS 382.41(4)(e)3. 3. A reduced pressure principle backflow preventer and a reduced pressure detector backflow preventer which are 2" or smaller in size and which serve a water-based fire protection system are not required to have a test cock on the number one listed indicating control valve.
SPS 382.41(4)(f) (f) A hand-held shower may not be employed in backpressure situations of more than 5 feet of water column.
SPS 382.41(4)(g)1.1. A double check backflow prevention assembly and a double check detector assembly backflow preventer may not be subjected to a backpressure greater than twice the rated working pressure of the device.
SPS 382.41(4)(g)2. 2. A double check backflow prevention assembly and a double check detector assembly backflow preventer which serve a water-based fire protection system may have a test outlet located between the number 2 check valve and the number 2 listed indicating control valve.
SPS 382.41(4)(g)3. 3. A double check backflow prevention assembly and a double check detector assembly backflow preventer which are 2" or smaller in size and which serve a water-based fire protection system are not required to have a test cock on the number one listed indicating control valve.
SPS 382.41(4)(h) (h) A water supply fed trap seal primer valve shall be installed such that the bottom of the device or the critical level as marked on the device is at least 12" above:
SPS 382.41(4)(h)1. 1. The connection to the trap; and
SPS 382.41(4)(h)2. 2. The highest point downstream from the device where backpressure would be created.
SPS 382.41(4)(i) (i) A vacuum breaker wall hydrant, freeze resistant automatic draining type or a freeze resistant sanitary yard hydrant, may not be employed in backpressure situations of more than 10 feet of water column.
SPS 382.41(4)(k)1.1. A pressure type vacuum breaker assembly shall be installed such that the bottom of the device or the critical level mark on the device is at least 12" above all of the following:
SPS 382.41(4)(k)1.a. a. The flood level rim of the receptor serving the water supply port.
SPS 382.41(4)(k)1.b. b. The highest point downstream from the device where backpressure would be created.
SPS 382.41(4)(k)1.c. c. The highest point of an injection or aspiration port.
SPS 382.41(4)(k)2. 2. A pressure vacuum breaker assembly shall be located only outside.
SPS 382.41(4)(L) (L) A laboratory faucet backflow preventer may not be employed in backpressure situations of more than 6 feet of water column.
SPS 382.41(4)(m) (m) The cross connection control device to serve a hose bibb or hydrant that penetrates an exterior wall of a heated structure may not prevent a hose bibb or hydrant from being freeze resistant automatic draining as required under s. SPS 382.40 (8) (a).
SPS 382.41(4)(n) (n) A spill resistant vacuum breaker shall be installed so that the bottom of the device or the critical level mark on the device is at least 12" above all of the following:
SPS 382.41(4)(n)1. 1. The flood level rim of the receptor serving the water supply port.
SPS 382.41(4)(n)2. 2. The highest point downstream from the device where back pressure would be created.
SPS 382.41(4)(n)3. 3. The highest point of an injection or aspiration port.
SPS 382.41(5) (5)Installation.
SPS 382.41(5)(a)(a) An air gap for cross connection control shall conform to ASME A112.1.2.
SPS 382.41 Note Note: See ch. SPS 382 Appendix for further explanatory material.
SPS 382.41(5)(b) (b) Cross connection control methods, devices and assemblies shall be installed in accordance with the manufacturer's written installation specifications and this chapter. The methods, devices and assemblies shall be accessible for inspection, testing, maintenance and replacement.
SPS 382.41 Note Note: See s. SPS 384.30 (5) (c).
SPS 382.41(5)(c) (c) Cross connection control devices shall be protected from freezing.
SPS 382.41(5)(d)1.1. A cross connection control device may not be located in uninhabitable spaces susceptible to flooding.
SPS 382.41(5)(d)2. 2. A cross connection control device which has one or more vent ports may not be located in a pit, vault or depression which is below the adjacent grade or floor level, even if the pit, vault or depression is provided with a drain at the bottom of the pit.
SPS 382.41(5)(e)1.1. Vent ports of cross connection control devices shall be positioned:
SPS 382.41(5)(e)1.a. a. Away from areas where toxic gases and fumes may accumulate;
SPS 382.41(5)(e)1.b. b. Downward or protected to protect the ports from falling debris; and
SPS 382.41(5)(e)1.c. c. So as to drain dry.
SPS 382.41(5)(e)2. 2. Cross connection control devices or assemblies shall be so located that any vent ports are provided with an air gap so as to comply with s. SPS 382.33 or ASME A112.1.3.
Loading...
Loading...
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.