SPS 364.0403(5)(d)2.b.
b. The air change air rate under this subsection shall be determined upon either the actual height of the space or 10 feet from the floor level of the space which ever is less.
SPS 364.0403(5)(d)2.c.
c. The air movement providing the required minimum air change shall be that amount that is transferred through the air handling equipment where the return air is diluted or replaced with outside air and supplied back to the space.
SPS 364.0403(5)(d)3.
3. Air change rate of less than 6 air changes per hour is permitted where mechanical cooling is provided to maintain an interior design temperature of 75 degrees F or lower. The air change rate may not be less than the alternative minimum air change rate per hour specified in Table 364.0403. Air changes are not required to be provided for spaces required to be mechanically exhausted.
SPS 364.0403(5)(d)4.
4. The air change requirement for 6 air changes per hour may be omitted in any of the following applications:
SPS 364.0403(6)
(6) System operation. Substitute the following wording for the requirements in IMC section 403.3.1.3: The minimum flow rate of outdoor air that the ventilation system must be capable of supplying during its operation may be based on the rate per person indicated in Table 364.0403 and the actual number of occupants present.
NA = not applicable; NR = none required; cfm = cubic feet per minute; TF = toilet fixtures (water closets and urinals); A/C = air conditioning
a. Based upon net floor area.
b. The ventilation rate is based upon cubic feet per minute per square foot of the floor area being ventilated.
c. Mechanical exhaust is required and the recirculation of air from these spaces that would otherwise be allowed by IMC section 403.2.1 is prohibited.
d. Transfer air is permitted in accordance with IMC section 403.2.2.
e. Provide an exhaust rate of not less than 1.5 cfm/sf.
f. The minimum mechanical ventilation rate is 15 cfm/room of outside air.
g. Natural ventilation may be allowed under this section.
h. The classification of a `beauty' salon depends on the types of services provided. Only beauty salons that routinely provide chemical processing of hair to produce texture or color changes.
i. Enclosed parking garages are parking garages that fail to meet the criteria for open garages in IBC section 406.5.2. Ventilation systems in enclosed parking garages shall comply with IMC section 502.13. A mechanical ventilation system may not be required if the room or space meets all of the following:
1. Has a floor area of 850 square feet or less.
2. Used for the storage of 5 or fewer motorized vehicles.
3. Meets the natural ventilation requirements of IMC 402 and
s. SPS 364.0402.
j. Refer to IMC chapter 5 for exhaust requirements based upon the chemicals used.
k. For compressed natural gas IMC 502.16.
l. Mezzanine floor areas that are open to a service and/or repair area may not be included as floor area when determining the minimum exhaust rate from the room or space.
m. For nail salons, the required exhaust shall include ventilation tables or other systems that capture the contaminants and odors. The exhaust system shall be capable of exhausting the greater of 50 cfm per station or 0.6 cfm per square foot of work area. The exhaust inlet shall be located in the work area.
n. The requirements for enclosed parking garages shall apply to all buildings, or rooms, spaces, or parts of buildings, into which motor vehicles are being driven for loading or unloading, or that are stored.
o. Warehouses include indoor drive-through self-service storage facilities in which a customer may temporarily park a motorized vehicle for purposes of loading and unloading materials, provided the motor is not running.
SPS 364.0403 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02;
CR 01-135: renum. (3) to be (3) (b), cr. (3) (a), (4) (a) 6. and (5) (d), am. (5) (a), (b) 1. a., (c) 1. and (6) Table;
CR 01-139: renum. (3) to (6) to be (4), (6), (8) and (9), cr. (3), (5) and (7), am. (6) Table, r. and recr. (6)
Register June 2002 No. 558, eff. 7-1-02;
CR 04-016: am. Table 64.0403
Register December 2004 No. 588, eff. 1-1-05;
CR 06-120: r. (1), (4) (a), (6) (a) 3., 6. and (d), am. (2) (a) and (3), renum. (4) (b) to be (4), r. and recr. (6) (intro.), (a) 1., (8) and Table 64.0403
Register February 2008 No. 626, eff. 3-1-08;
CR 10-103: r. (6) (c) 4., (9), r. and recr. Table 64.0403, renum. (2) to (7), (8) to (1) to (6), (5) (d) and am.
Register August 2011 No. 668, eff. 9-1-11; correction in (2), (4), (5) (a) 1., 2. a., c., d., (c) 1., 2., 3., (d) 2. d., (6), Table 346.0403 made under s.
13.92 (4) (b) 7., Stats.,
Register December 2011 No. 672;
CR 16-094: am. (5) (d) 1., renum. (5) (d) 2. d. to (d) 3. and am., cr. (5) (d) 4., am. (6), cr. (7), am. Table 364.0403 Register April 2018 No. 748, eff. 5-1-18; correction in (4), (5) (d) 2. a. made under s. 13.92 (4) (b) 7., Stats., Register April 2018 No. 748. SPS 364.0404
SPS 364.0404 Enclosed parking garages. Substitute the following wording for the requirements in IMC sections 404.1 and 404.2:
SPS 364.0404(1)
(1) Mechanical ventilation systems for enclosed parking garages shall be permitted to operate intermittently by one of the following methods:
SPS 364.0404(1)(a)
(a) The system shall be arranged to operate continuously at a minimum exhaust rate of 0.05 cfm/sf. Subsequently, the system shall operate at a minimum of 0.75 cfm/sf automatically upon detection of vehicle operation, the presence of occupants, or by a combination of occupancy sensors and carbon monoxide and nitrogen dioxide sensors as appropriate for the room or space. The system shall also be designed so to address the requirements listed in
s. SPS 364.0404 (2) and
(3).
SPS 364.0404(1)(b)
(b) The system shall be arranged to operate intermittently for a total of at least 5 hours in each 24-hour period at a minimum rate of 0.75 cfm/sf and shall also include the installation of carbon monoxide and nitrogen dioxide sensors as appropriate for the room or space. The system shall also be designed so to address the requirements listed in
s. SPS 364.0404 (2) and
(3).
SPS 364.0404(2)(a)(a) The system shall be arranged to operate automatically upon detection of carbon monoxide at a level of 35 parts per million by automatic detection devices.
SPS 364.0404(2)(b)
(b) If diesel-fueled vehicles are stored, the system shall be arranged to operate automatically upon detection of nitrogen dioxide at a level of one part of per million by automatic detection devices.
SPS 364.0404(3)
(3) The system shall maintain the garage at negative or neutral pressure relative to other spaces.
SPS 364.0501(1)
(1) Substitute the following wording for the requirements in IMC section 501.1: This chapter shall govern the design, construction and installation of mechanical exhaust systems, including exhaust systems serving clothes dryers and cooking appliances; environmental air exhaust systems; hazardous exhaust systems; dust, stock and refuse conveyor systems; subslab soil exhaust systems; smoke control systems; energy recovery ventilation systems and other systems specified in IMC Section 502.
SPS 364.0501(2)
(2) This is a department exception to the requirements in IMC section 501.3: A mechanically exhausted room or space that is within a dwelling unit which is served by an independent heating, ventilating and air conditioning system is not required to be maintained with negative or neutral pressure.
SPS 364.0501(3)
(3) These are department rules in addition to the requirements in IMC section 501.2.1.
SPS 364.0501(3)(a)
(a) Gravity ventilation ducts shall extend not less than 2 feet above the highest portion of the building within a 10-foot radius of the duct and shall be provided with a siphon roof ventilator.
SPS 364.0501(3)(b)
(b) Where barometric relief vents are installed on the roof, the discharge openings shall be no less than 2 feet above the roof surface where the vent pierces the roof.
SPS 364.0501(5)
(5) Substitute the following wording for the requirements in IMC section 401.6: Stationary local sources producing air-borne particulates, heat, odors, fumes, spray, vapors, smoke or gases in such quantities as to be injurious to health shall be provided with an exhaust system in accordance with IMC chapter 5 or a means of collection and removal of the contaminants. Such exhaust shall discharge directly to an approved location at the exterior of the building.
SPS 364.0501(6)
(6) These are department rules in addition to IMC section 501.3.2: The bottom of an exhaust outlet shall be located at least 12 inches vertically from the adjoining grade level and bottom of an areaway. Additional clearance may be required so as to address local weather conditions and surrounding land contour.
SPS 364.0501 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02;
CR 06-120: am.
Register February 2008 No. 626, eff 3-1-08;
CR 10-103: renum. to be (2), cr. (1), (3), (5) renum. from Comm 64.0401 (5), (6) and am.
Register August 2011 No. 668, eff. 9-1-11; corrections in (3) and (5) made under s.
13.92 (4) (b) 2., Stats.,
Register August 2011 No. 668;
CR 16-094: cr. (6) Register April 2018 No. 748, eff. 5-1-18.
SPS 364.0502(1)
(1) Substitute the following wording for the requirements in IMC section 502.1: An exhaust system shall be provided, maintained and operated as specifically required by this section and for all occupied areas where machines, vats, tanks, furnaces, forges, salamanders and other appliances, equipment and processes in such areas produce or throw off dust particles sufficiently light to float in the air or which emit heat, odors, fumes, spray, gas or smoke, in such quantities to be injurious to health or safety.
SPS 364.0502(2)
(2) This is a department exception in addition to the exceptions in
section IMC 502.14: The source capture system is not required when the motor vehicle exhaust system is connected directly to a noncombustible hose that is not more than 10 feet long and discharges directly to the exterior of the building.
SPS 364.0502 Note
Note: Under s.
SPS 361.03 (14) (a), IFC section 2311.7 exempts a natural-gas motor-vehicle repair garage from the requirements of IMC section 502.16 if no work is performed on the fuel system in the vehicles, and the work is also limited to exchanging parts and maintenance that does not include any open flame or welding.
SPS 364.0502 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02;
CR 10-103: renum. to be (1), cr. (2),
Register August 2011 No. 668, eff. 9-1-11.
SPS 364.0505
SPS 364.0505 Domestic kitchen exhaust equipment. The requirements in IMC section 505.4 are not included as part of
chs. SPS 361 to
366.
SPS 364.0505 History
History:
CR 16-094: cr. Register April 2018 No. 748, eff. 5-1-18. SPS 364.0506
SPS 364.0506 Commercial kitchen grease ducts and exhaust equipment. SPS 364.0506(2)(a)(a) This is a department alternative to the requirements, but not the exceptions, in IMC section 506.3.2:
Joints, seams and penetrations of grease ducts may be made with any other means that provide a liquid-tight seal at 1500
oF and that are listed and labeled for the application.
SPS 364.0506(2)(b)
(b) This is a department rule in addition to the requirements in IMC section 506.3.2.: Duct joints may also be flanged joints.
SPS 364.0506(2)(c)
(c) The requirements of IMC section 506.3.2.5 are not included as part of this chapter.
SPS 364.0506 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02;
CR 06-120: r. (1) and (2) (c), am. (2) (title) and (a), r. and recr. (2) (b), cr. (2) (bm)
Register February 2008 No. 626, eff. 3-1-08;
CR 10-103: renum. (2) (bm) to be (2) (c) and am.
Register August 2011 No. 668, eff. 9-1-11.
SPS 364.0507(1)(1)
Capacity of hoods. Substitute the following wording for the introductory paragraph in IMC section 507.5: Commercial food service hoods shall exhaust a minimum net quantity of air determined either through engineering analysis or in accordance with this subsection and IMC sections 507.5.1 through 507.5.4. The net quantity of exhaust air shall be calculated by subtracting any airflow supplied directly to a hood cavity from the total exhaust flow rate of a hood. Where any combination of heavy-duty, medium-duty, and light-duty cooking appliances are utilized under a single hood, the exhaust rate required by IMC sections 507.5.1 through 507.5.4 for the heaviest duty appliance covered by the hood shall be used for the entire hood.
SPS 364.0507(2)
(2) Dishwashing appliances. The requirements of IMC section 507.5.5 are not included as part of this chapter.
SPS 364.0507(3)
(3) Multiple hoods utilizing a single exhaust system. The requirements in IMC section 507.1.1.1 are not included as part of
chs. SPS 361 to
366.
SPS 364.0507 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02;
CR 01-139: am.
Register June 2002 No. 558, eff. 7-1-02;
CR 04-016: renum. to be (3) and am., cr. (1) and (2)
Register December 2004 No.588, eff. 1-1-05;
CR 06-120: r. and recr.
Register February 2008 No. 626, eff. 3-1-08;
CR 16-094: am. (1), (2), cr. (3) Register April 2018 No. 748, eff. 5-1-18. SPS 364.0513
SPS 364.0513 Smoke control systems. Substitute the following wording for the requirements in IMC section 513.3: In addition to the inspection and test requirements which buildings, structures and parts thereof are required to undergo, smoke control systems subject to the provisions of section 909 of the
International Building Code shall undergo inspections and tests sufficient to verify the proper commissioning of the smoke control design in its final installed condition. The design submission accompanying the construction documents shall clearly detail procedures and methods to be used and the items subject to such inspections and tests. Such commissioning shall be in accordance with generally accepted engineering practice and, where possible, based on published standards for the particular testing involved.
SPS 364.0513 History
History:
CR 04-016: cr.
Register December 2004 No. 588, eff. 1-1-05.
SPS 364.0514
SPS 364.0514 Energy recovery ventilation systems. This is a department exception to the prohibitions in IMC section 514.2: An engineered energy recovery ventilation system design may be used in the systems specified in IMC section 514.2 provided that corrosion, cross-contamination and fouling are addressed by the engineered system.
SPS 364.0601
SPS 364.0601 General. Substitute the following wording for the requirements in IMC section 601.2 Exception 1: Use of a corridor as a source of makeup air for exhaust systems in rooms that open directly onto such corridors shall be permitted provided that each such corridor is directly supplied with air at a rate greater than the rate of makeup air taken from the corridor.
SPS 364.0602(1)
(1) This is a department rule in addition to the requirements in IMC section 602.2: Plenum enclosures shall be constructed of materials permitted for the type of construction classification of the building.
SPS 364.0602(2)
(2) Substitute the following wording for the requirements, but not the exceptions, in IMC section 602.2.1: Except as required by IMC sections 602.2.1.1 through 602.2.1.6, materials within plenums shall be noncombustible or shall have a flame spread index of not more than 25 and a smoke-developed index of not more than 50 when tested in accordance with ASTM E84, CAN/ULC S102.2 or UL 723.
SPS 364.0602 History
History:
CR 06-120: cr.
Register February 2008 No. 626, eff. 3-1-08;
CR 10-103: am.
Register August 2011 No. 668, eff. 9-1-11;
CR 16-094: renum. 364.062 to 364.062 (2) and am., cr. (1) Register April 2018 No. 748, eff. 5-1-18. SPS 364.0606(1)(1) This is a department informational note to be used under IMC section 606.2.1: Note: For DHS licensed healthcare facilities as specified in
chs. DHS 124,
131,
132, and
134, also refer to NFPA standard 90A section 4-4.2A for air handling units between 2,000 cfm and 15,000 cfm.
SPS 364.0606(2)
(2) This is a department informational note to be used under IMC section 606.4: Note: For DHS licensed healthcare facilities as specified in
chs. DHS 124,
131,
132, and
134, also refer to NFPA standard 90A section 4-3.2 for smoke dampers isolating air handling units.
SPS 364.0606 History
History:
CR 00-179: cr.
Register December 2001 No. 552, eff. 7-1-02.
SPS 364.0607(1m)(1m)
Smoke damper actuation. This is an additional method in addition to the methods listed in IMC section 607.3.3.2: Method 6: Where a single listed duct smoke detector is installed inside the duct or outside the duct with sampling tubes protruding into the duct in the supply air ductwork downstream of the air handling equipment, including air filters, and ahead of any branch ductwork and return air duct smoke detectors are installed inside the duct or outside the duct with sampling tubes protruding into the duct within 5 feet (1524 mm) of each return air smoke damper, all supply and return smoke dampers shall be closed when any of the duct smoke detectors in the supply or return air ducts are in alarm. Other than in mechanical smoke control systems, dampers shall be closed upon fan shutdown when local smoke detectors require a minimum velocity to operate.
SPS 364.0607(2m)
(2m) Duct smoke dampers. This is a department exception to the requirements in IMC section 607.5.5: Smoke dampers are not required in ducts that are used in the exhaust portion of laboratory ventilating systems that are designed and installed in accordance with NFPA 45.
SPS 364.0607(3m)
(3m) Penetrations of shaft enclosures. This is a department exception to the requirements in IMC section 607.5.5: Smoke dampers are not required in ducts that are used in the exhaust portion of laboratory ventilating systems which are designed and installed in accordance with NFPA 45.
SPS 364.0607(4m)
(4m) Smoke dampers in health care facilities. This is a department exception to the requirements in IMC section 607.5.4: Smoke dampers are not required in Group I-2 duct penetrations of smoke barriers in fully ducted HVAC systems.
SPS 364.0607 History
History:
CR 04-016: cr.
Register December 2004 No. 588, eff. 1-1-05;
CR 06-120: r. and recr.
Register February 2008 No. 626, eff. 3-1-08;
CR 16-094: renum. (1), (2) to (3m), (4m), cr. (1m), (2m) Register April 2018 No. 748, eff. 5-1-18.
SPS 364.0701
SPS 364.0701 Combustible air. Barometric dampers may not be used for combustion air as allowed by IFC section 304.3 and NFPA 54-2015 section 9.3.1.4.
SPS 364.0701 History
History:
CR 16-094: cr. Register April 2018 No. 748, eff. 5-1-18. SPS 364.0801(1)
(1) This is a department informational note to be used under IMC chapter 8: Note: For DHS licensed healthcare facilities as specified in
chs. DHS 124,
132, and
134, also refer to NFPA 211 as adopted in these chapters.
