“Scum" means the accumulated floating solids generated during the biological, physical or chemical treatment, coagulation or sedimentation of wastewater.
“Secretary" means the secretary of the department of safety and professional services or designee.
“Service sink" means a fixture designed to be used for building or facility maintenance.
SPS 381.01 Note
Note: A service sink may also be referred to as a mop sink, mop basin or janitor's sink.
“Sewage" means wastewater containing fecal coliform bacteria exceeding 200 CFU, colony forming units, per 100 ml.
“Sewage grinder pump" means a type of sewage pump which macerates wastewater consisting in part of sewage.
“Sewage pump" means an automatic pump for the removal of wastewater from a sanitary sump.
“Slip-joint" means a connection in which one pipe slips into another, the joint of which is made tight with a compression type fitting.
“Sludge" means the accumulated solids generated during the biological, physical or chemical treatment, coagulation or sedimentation of water or wastewater.
“Small commercial establishment" means a commercial establishment or business place with a maximum daily wastewater flow rate of less than 5,000 gallons per day as determined from the design criteria of the state plumbing code. Small commercial establishment includes a farm, including a residence on a farm, if the residence is occupied by a person who is an operator of the farm and if the maximum daily wastewater flow rate of the farm and the residence on the farm is less than 5,000 gallons-per-day as determined from the design criteria of the state plumbing code.
“Soil" means the naturally occurring pedogenically developed and undeveloped regolith overlying bedrock.
“Soil consistence" means the resistance of soil material to deformation or rupture as related to the degree of adhesion and cohesion of a soil mass.
“Soil horizon" means a layer of soil material approximately parallel to the land surface and differing from adjacent genetically related layers in physical, chemical, or biologic characteristics.
“Soil morphology" means the physical or structural characteristics of a soil profile particularly as related to the arrangement of soil horizons based on color, texture, structure, consistence, and porosity.
“Soil profile" means a vertical section of soil containing one or more soil horizons.
“Soil profile evaluation" means a determination of soil properties or characteristics as they relate to wastewater or nonwater-carried human waste treatment or dispersal.
“Soil structure" means the combination or arrangement of individual soil particles into definable aggregates or peds, which are characterized and classified on the basis of size, shape, and degree of distinctness.
“Soil texture" means the relative proportions of sand, silt and clay (soil separates) in a soil.
“Spigot" means the end of a pipe which fits into a bell or hub.
“Spill level" means the horizontal plane to which water will rise to overflow through channels or connections which are not directly connected to any drainage system, when water is flowing into a fixture, vessel or receptacle at the maximum rate of flow.
“Spill resistant vacuum breaker" means a cross connection control device consisting of one check valve force loaded closed, an air inlet force loaded open to atmosphere downstream of the check valve, 2 shutoff valves and 2 test cocks.
“Spring line, pipe" means the line or place from which the arch of a pipe or conduit rises.
SPS 381.01 Note
See ch. SPS 382 Appendix
for an illustration depicting the spring line of a pipe.
“Stack" means a drain or vent pipe that extends vertically one full story or more.
“Stack vent" means a vent extending from the highest horizontal drain connected to a stack.
“Standpipe" means a drain pipe serving as a receptor for the discharge wastes from indirect or local waste piping.
“State" means the state of Wisconsin, its agencies and institutions.
“Sterilizer, boiling type" means a device of nonpressure type, used for boiling instruments, utensils, or other equipment for disinfecting.
“Sterilizer, instrument" means a device for the sterilization of various instruments.
“Sterilizer, pressure" means a pressure vessel fixture designed to use steam under pressure for sterilizing.
SPS 381.01 Note
Note: A pressure sterilizer is also referred to as an autoclave.
“Sterilizer, pressure instrument washer" means a pressure vessel designed to both wash and sterilize instruments during the operating cycle of the device.
“Sterilizer, utensil" means a device for the sterilization of utensils.
“Sterilizer vent" means a separate pipe or stack, indirectly connected to the drain system at the lower terminal, which receives the vapors from nonpressure sterilizers, or the exhaust vapors from pressure sterilizers, and conducts the vapors directly to the outer air.
“Sterilizer, water" means a device for sterilizing water and storing sterile water.
“Storm sewer" means a pipe, other than a pipe located inside a building, that carries any of the following: storm water, groundwater or clear water.
“Storm water" means wastewater from a precipitation event.
“Subsoil drain" means that part of a drain system that conveys groundwater to a point of discharge or dispersal.
“Sump" means a tank or pit that receives wastewater that must be emptied by mechanical means.
“Sump pump" means an automatic device located in a sump, pit or low point that is designed to elevate storm water, groundwater or clear water.
“Sump vent" means a vent pipe from a nonpressurized sump.
“Supports" means hangers, anchors and other devices for supporting and securing pipes or fixtures to structural members of a building.
“Surface water" means those portions of Lake Michigan and Lake Superior within the boundaries of Wisconsin, all lakes, bays, rivers, streams, springs, ponds, impounding reservoirs, marshes, water courses, drainage systems, and other surface water, natural or artificial, public or private within the state or under its jurisdiction, except those waters which are entirely confined and completely retained upon the property of a facility.
“Swimming pool" means a structure, basin, chamber or tank containing an artificial body of water for swimming, diving or recreational bathing.
“Temperature and pressure relief valve" means a combination relief valve designed to function as both a temperature relief and pressure relief valve.
“Temperature relief valve" means a temperature actuated valve designed to automatically discharge at a designated temperature.
“Tempered water" means water ranging in temperature from 85°
F. to less than 110°
“Ten-year, 24-hour storm" or “10-year, 24-hour storm" means a discrete rain storm event characterized by a specific duration, temporal distribution, rainfall intensity, return frequency and total depth of rainfall.
SPS 381.01 Note
Note: The frequency, intensity, and duration of rainfall varies considerably during a storm by geographic location. Precipitation frequency atlases, NOAA Atlas 2, have been prepared by the National Oceanic and Atmospheric Administration (NOAA), National Weather Service. In chapter SPS 382, this value may be expressed as a specific “design storm". The calculated volume of rainfall, or stormwater, may be determined from this value and used to calculate peak discharge.
“Total suspended solids" or “TSS" means solids in wastewater that can be removed readily by standard filtering procedures in a laboratory and reported as milligrams per liter (mg/L).
“Trap" means a fitting, device or arrangement of piping so designed and constructed as to provide, when properly vented, a liquid seal which prevents emission of sewer gases without materially affecting the flow of wastewater through it.
“Trap seal" means the vertical distance between the top of the trap weir and the top of the dip separating the inlet and outlet of the trap.
“Trap seal primer, water supply fed" means a type of valve designed to supply water to the trap in order to provide and maintain the water seal of the trap.
“Trap weir" means that part of a trap that forms a dam over which wastes must flow to enter the drain piping.
“Turf sprinkler system" means a system of piping, appurtenances and devices installed underground to distribute water for lawn or other similar irrigation purposes.
“Unsaturated soil" means soil in which the pore spaces contain water at less than atmospheric pressure, as well as air and other gases.
“Vacuum" means any pressure less than that exerted by the atmosphere.
“Vacuum breaker tee" means an assembly of fittings designed to eliminate the possibility of back siphonage in a system by allowing air to enter through a tee fitting.
“Vacuum relief valve" means a device that admits air into the water distribution system to prevent excessive vacuum in a water storage tank or heater.
“Vent" means a part of the plumbing system used to equalize pressures and ventilate the system.
“Vent header" means a branch vent which connects 2 or more stack vents or vent stacks or both and extends to the outside air.
“Vent stack" means a vertical vent pipe that provides air for a drain stack of 5 or more branch intervals.
“Vent system" means a pipe or pipes installed to provide a flow of air to or from a drain system, or to provide a circulation of air within the system to protect trap seals from siphonage and back pressure.
“Vertical pipe" means any pipe or fitting which makes an angle of 45°
or less with the vertical.
“Wall hydrant, freeze resistant automatic draining type vacuum breaker" means a type of device which is designed and constructed with anti-siphon and back pressure preventive capabilities and with means for automatic post shut-off draining to prevent freezing.
“Wall mounted water closet" means a water closet attached to a wall in such a way that it does not touch the floor.
“Washer sanitizer" means a plumbing appliance used for washing and disinfecting equipment.
“Waste" means the discharge from any fixture, appliance, area or appurtenance.
“Waste sink" means a receptor for the discharge from indirect or local waste piping installed with its flood level rim above the surrounding floor.
“Wastewater" means clear water, storm water, domestic wastewater, industrial wastewater, sewage or any combination of these.
“Wastewater, treated" means the effluent conveyed through one or more POWTS treatment components to a POWTS dispersal component.
“Wastewater treatment device" means a device or method that is intended to beneficially alter the characteristics of wastewater.
“Water closet" means a water-flushed plumbing fixture designed to receive human excrement directly from the user of the fixture.
“Water conditioner" means an appliance, appurtenance or device used for the purpose of ion exchange, demineralizing water or other methods of water treatment.
“Water distribution system" means that portion of a water supply system from the building control valve to the connection of a fixture supply connector, plumbing fixture, plumbing appliance, water-using equipment or other piping systems to be served.
“Water heater" means any heating device with piping connections to the water supply system that is intended to supply hot water for domestic or commercial purposes other than space heating.
“Water service" means that portion of a water supply system from the water main or private water supply to the building control valve.
SPS 381.01 Note
Section 281.01 (18)
, Stats., reads:
SPS 381.01 Note
“Waters of the state" means those portions of Lake Michigan and Lake Superior within the boundaries of Wisconsin, all lakes, bays, rivers, streams, springs, ponds, wells, impounding reservoirs, marshes, watercourses, drainage systems and other surface water or groundwater, natural or artificial, public or private within the state or under its jurisdiction.
“Water supply system" means the piping of a private water main, water service and water distribution system, fixture supply connectors, fittings, valves, and appurtenances through which water is conveyed to points of usage such as plumbing fixtures, plumbing appliances, water using equipment or other piping systems to be served.
Renders inactive or removes microbiological, particulate, inorganic, organic or radioactive contaminants from water which passes through the device or the water supply system downstream of the device; or
Injects into the water supply system gaseous, liquid or solid additives other than water, to render inactive microbiological, particulate, inorganic, organic or radioactive contaminants.
“Wetland, constructed" means a man-made design complex of saturated substrates, emergent and submergent vegetation, and water that simulate natural wetlands for human use and benefits.
“Wet vent" means that portion of a vent pipe that receives the discharge from other fixtures.