There is hereby adopted by reference by the City of Haysville, Kansas, for the purpose of establishing standards for the safety, health, and public welfare, the International Mechanical Code, as published by the International Code Council, Inc. 2021 Edition, excluding sections 301.2, 301.3, 507.1.1.1, 802.8, 1101.9, and 1102.3, is hereby adopted and incorporated herein by reference, subject to such amendments thereto as are set forth hereinafter. All provisions within the city code of the City of Haysville, prior to the passage of the resolution and ordinance adopting the 2021 International Mechanical code shall remain unchanged unless otherwise indicated within such resolution and ordinance. These regulations shall be known as the Mechanical Code for the City of Haysville, hereinafter referred to as “this Code". This Standard Code and all Amendments as set forth herein and within as subsequently incorporated into the Unified Building and Trade Code shall henceforth be known as the Mechanical Code of the City of Haysville.
(Code 2022; Code 2024)
One copy of said code along with the amendments set forth in that Resolution of the Sedgwick County Commission as described in 4-801 above, have been and are now filed in the office of the City Clerk and the said codes are hereby adopted and incorporated as if fully set out herein at length as authorized in the manner provided by K.S.A. 12-3009, et seq.
SCOPE. Section 101.2 of the International Mechanical Code shall be amended to read as follows: This Code shall regulate the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings. This Code shall regulate the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings. This Code shall also regulate those mechanical systems, system components, equipment and appliances specifically addressed herein. The installation of fuel gas equipment, fuel gas fired appliances and gas-fired appliance venting systems shall be regulated by the currently adopted Uniform Plumbing Code to the extent it is incorporated by the 2021 International Mechanical Code.
Exception: Detached one and two- family dwellings (townhouses) not more than three stories high with separate means of egress and their accessory structures shall be governed by Article 5, Section 4 of the Unified Building and Trade Code, in correlation to the City of Haysville City Code.
ELECTRICAL. Section 101.2.3 of the International Mechanical Code shall be created to read as follows: The provisions of Chapter 4 of this Code shall apply to the installation of electrical systems, including alterations, repairs, replacement equipment, appliances, fixtures, fittings and appurtenances thereto.
GAS. Section 101.2.4 of the International Mechanical Code shall be created to read as follows: The provisions of Chapter 4 of this Code shall apply to the installation of gas piping from the point of delivery, gas appliances and related accessories as covered in this Code. These requirements apply to gas piping systems extending from point of delivery to the inlet connections of appliances and the installation and operation of residential and commercial gas appliances and related accessories.
PLUMBING. Section 101.2.5 of the International Mechanical Code shall be created to read as follows: The provisions of Chapter 4 of this Code shall apply to the installation, alterations, repairs and replacement of plumbing systems, including equipment, appliances, fixtures and appurtenances, and where connected to water or sewage systems and all aspects of a medical gas system.
FIRE PREVENTION. Section 101.2.6 of the International Mechanical Code shall be created to read as follows: The provisions of Chapter 7 of the City of Haysville City Code shall otherwise apply to matters affecting or relating to structures, processes and premises from the hazard of fire and explosion arising from storage, handling or use of structures, materials or devices; from conditions hazardous to life, property or public welfare in the occupancy of structures or premises; and from the construction, extension, repair, alteration or removal of alarm systems and fire hazards in the structure or on the premises.
REFERENCED CODES AND STANDARDS. Section 102.8 of the International Mechanical Code shall be created to read as follows: The codes and standards referenced herein shall be those that are listed in Chapter 15, excluding all references to the 2021 International Energy Conservation Code, and such referenced codes and standards shall be considered as part of the requirements of this code to the prescribed extent of each such reference and as further regulated in sections 102.8.1 and 102.8.2.
INVESTIGATION FEE. See Chapter 17 of this Code.
PERMIT FEE. See Chapter 17 of this Code.
CORRECTIONS AND RE-INSPECTIONS. Section 108.3.3 of the International Mechanical Code is amended to read as follows: Corrections shall be completed and work rescheduled for inspection within thirty (30) days from the date of the correction notice. Corrections not completed within the thirty (30) days shall be liable for the violation penalties set forth in Chapter 17 of this Code. Access shall be provided for re-inspection by the property owner, licensed contractor, or their designee.
ELECTRICAL CONTROLS. Section 301.10 of the International Mechanical Code shall be amended to read as follows: Electrical wiring, controls, and connection to equipment and appliances regulated by this Code shall be in accordance with Chapter 4 of this Code.
PLUMBING CONNECTIONS. Section 301.11 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows: Potable water supply, building drainage system connections to equipment, and appliances regulated by this Code shall be in accordance with Chapter 4 of this Code.
PROHIBITED LOCATIONS. Section 303.3 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows:
Fuel fired appliances shall not be located in, or obtain combustion air from, any of the following rooms or spaces:
(1) Sleeping rooms,
(2) Bathrooms, Storage closets, Surgical rooms.
Exception: This section shall not apply to the following appliances:
(1) Direct-vent appliances that obtain all combustion air directly from the outdoors.
(2) Solid fuel appliances, provided that the room is not a confined space and the building is not of unusually tight construction.
(3) Appliances installed in a dedicated enclosure in which all combustion is taken directly from the outdoors or other approved areas. Access to such enclosure shall be through a solid door, equipped with an approved self-closing device, and weather-stripped in accordance with the exterior door and leakage requirements of the International Energy Conservation Code.
CLEARANCES FROM GRADE. Section 304.10 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows: Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending above adjoining grade or shall be suspended a minimum of 6 inches (152 mm) above adjoining grade. Supports for heat pumps shall be at least 3" and conform to the manufacturer’s specifications.
GUARDS. Section 304.11 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows: Guards shall be provided where various components that require service and roof hatch openings are located within 10 feet (3048 mm) of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) beyond each end of components that require service and each end of the roof hatch parallel to the roof edge. The top guard shall be located not less than 42 inches (1067 mm) above the elevated surface adjacent to the guard. The guard shall be constructed so as to prevent the passage of a 21-inch-diameter (533 mm) sphere and shall comply with the loading requirements for guards specified in the currently adopted International Building Code.
Exception: Guards are not required where fall arrest/anchorage connector devices that comply with ANSI/ASSP Z359.1 are approved.
EQUIPMENT AND APPLIANCES ON ROOFS OR ELEVATED STRUCTURES. Section 306.5 of the International Mechanical Code is amended to read as follows: Where equipment and appliances requiring access are installed on roofs or elevated structures, at a height exceeding 16 feet (4877 mm), such access shall be provided by a permanent approved means of access, the extent of which shall be a minimum eight (8) feet above grade to the equipment and appliances' level service space. Such access shall not require climbing over obstructions greater than 30 inches (762 mm) high or walking on roofs having a slope greater than 4 units vertical in 12 units horizontal (33-percent slope).
Permanent ladders installed to provide the required access shall comply with the following minimum design criteria:
(1) The side railing shall extend above the parapet or roof edge not less than 30 inches (762 mm).
(2) Ladders shall have a rung spacing not to exceed 14 inches (356 mm) on center.
(3) Ladders shall have a toe spacing not less than 6 inches (152 mm) deep.
(4) There shall be a minimum of 18 inches (457 mm) between rails.
(5) Rungs shall have a minimum 0.75-inch (19 mm) diameter and be capable of withstanding 300- pound (136.1 kg) load.
(6) Ladders over 30 feet (9144 mm) in height shall be provided with offset sections and landings capable of withstanding 100 pounds (488.2 kg/m2) per square foot.
(7) Ladders shall be protected against corrosion by approved means. Catwalks installed to provide the required access shall be not less than 24 inches (610 mm) wide and shall have railings as required for service platforms.
Exception: This section does not apply to Group R-3 occupancies.
AUXILIARY AND SECONDARY DRAIN SYSTEMS. Section 307.2.3 of the International Mechanical Code is amended to read as follows: In addition to the requirements of Section 307.2.1, where damage to any building components could occur as a result of overflow from the equipment primary condensate removal system, one of the following methods shall be provided for each cooling coil or fuel fired appliance that produces condensate and is located above a finished ceiling or furred space:
(1) An auxiliary drain pan with a separate drain shall be provided under the coils on which condensation will occur. The auxiliary drain pan shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. The pan shall have a minimum depth of 1 ½ inches (38 mm), shall not be less than the unit or coil dimensions in width and length and shall be constructed of corrosion resistant material. Galvanized sheetsteel pans shall have a minimum thickness of not less than 0.0236 inch (0.6010 mm) (No. 24 gage). Nonmetallic pans shall have a minimum thickness of not less than 0.0625 inch (1.6 mm).
(2) A separate overflow drain line shall be connected to the drain pan provided with the equipment. Such overflow drain shall discharge to a conspicuous point of disposal to alert the occupants in the event of a stoppage in the primary drain. The overflow drain line shall connect to the drain pan at a higher level than the primary drain connection.
(3) An auxiliary drain pan without a separate drain line shall be provided under coils on which condensate will occur. Such pan shall be equipped with a water-level detection device conforming to UL 508 that will shut off the equipment served prior to overflow of the pan. The auxiliary drain pan shall be constructed in accordance with Item 1 of this section.
(4) A water-level detection device conforming to UL 508 shall be provided that will shut off the equipment served in the event that the primary drain is blocked. The device shall be installed in the primary drain, the overflow drain line, or in the equipment-supplied drain pan, located at a point higher than the primary drain line connection and below the overflow rim of such pan.
Exception: Fuel fired appliances that automatically shut down operation in the event of a stoppage in the condensate drainage system.
VENTILATION REQUIRED. Section 401.2 of the International Mechanical Code is amended to read as follows: Every occupied space shall be ventilated by natural means in accordance with Section 402 or by mechanical means in accordance with Section 403.
Exception: ASHRAE Standard 62.1-1997 may be substituted for the ventilation requirements of chapter 4 of the 2021 International Mechanical Code.
DUCT INSTALLATION. Sec. 504.9.2 – Duct Installation is created to read as follows: Exhaust ducts shall be supported at intervals not to exceed 12 feet (3658 mm) vertically or 6 feet (1828.8 mm) horizontally and shall be secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow.
Exhaust duct joints shall be sealed accordingly. Exhaust ducts shall not be connected with sheetmetal screws or fastening means which extend into the duct. All joints and seams of that portion of supply and/or return ductwork installed outside of the conditioned envelope shall be made substantially airtight by means of tapes, mastics, gaskets, and other approved closure systems, commercially available and specially designed for sealing. "Duct Tape" shall not be an acceptable method. Closure systems used with rigid fibrous glass ducts shall comply with UL 181A and shall be marked "181A-P" for pressure-sensitive tape, "181 A-M" for mastic or "181 A-H" for heat-sensitive tape. Closure systems used with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked "181B-FX" for pressure sensitive tape or "181B-M" for mastic.
Duct connections to flanges of air distribution system equipment or sheet metal fittings shall be mechanically fastened. Mechanical fasteners for use with flexible nonmetallic air ducts shall comply with UL 181B and shall be marked 181B-C. Crimp joints for round metal ducts shall have a contact lap of at least 1½ inches (38 mm) and shall be mechanically fastened by means of at least three (3) sheet-metal screws or rivets equally spaced around the joint.
Exception: Low pressure systems
SPECIFIED LENGTH. Sec. 504.8.4.1 – Specified Length is created to read as follows: The maximum length of the exhaust duct shall be 45 feet (13716mm) from the connection to the transition duct from the dryer to the outlet terminal. Where fittings are used, the maximum length of the exhaust duct shall be reduced in accordance with Table M1502.4.5.1 of the 2018 International Mechanical Code. The maximum length of the exhaust duct does not include the transition duct.
GREASE DUCT TEST. Section 506.3.2.5 of the International Mechanical Code is amended to read as follows: Prior to the use or concealment of any portion of a grease duct system, a leakage test shall be performed in the presence of the official. Ducts shall be considered to be concealed where installed in shafts or covered by coatings or wraps that prevent the ductwork from being visually inspected on all sides. The permit holder shall be responsible to provide the necessary equipment and perform the grease duct leakage test. A light test or an approved equivalent test method shall be performed to determine that all welded and brazed joints are liquid tight. A light test shall be performed by passing a halogen lamp having a power of not less than 100 watts through the entire section of the ductwork to be tested. The lamp shall be open so as to emit light equally in all directions perpendicular to the duct walls. A test shall be performed for the entire duct system, including the hood-to-duct connection. The ductwork shall be permitted to be tested in sections provided that every joint is tested. For listed factory-built grease ducts, this test shall be limited to duct joints assembled in the field and shall exclude factory welds.
GREASE DUCT ENCLOSURE. Section 506.3.11 of the International Mechanical Code is amended to read as follows: Commercial kitchen grease ducts constructed in accordance with Section 506.3.1 shall be permitted to be enclosed in accordance with the currently adopted International Building Code requirements for shaft construction. Such grease duct systems and type one hoods shall have a clearance to combustible construction of not less than 18 inches (457 mm), and shall have a clearance to noncombustible construction and gypsum wallboard attached to noncombustible structures of not less than 3 inches (76 mm). Duct enclosures shall be sealed around the duct at the point of penetration and vented to the outside of the building through the use of weather-protected openings.
Exceptions:
(1) The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through-penetration fire stop system classified in accordance with ASTM E 814 and having an "F" and "T" rating equal to the fire-resistance rating of the assembly being penetrated and where the surface of the duct is continuously covered on all sides from the point at which the duct penetrates a ceiling, wall, or floor to the outlet terminal with a classified and labeled material, system, method of construction or product specifically evaluated for such purpose, in accordance with ASTM E 2336. Exposed duct wrap systems shall be protected where subject to physical damage.
(2) The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through-penetration fire stop system classified in accordance with ASTM E 814 and having an "F" and "T" rating equal to the fire resistance rating of the assembly being penetrated and where a prefabricated grease duct enclosure assembly is protected on all sides from the point at which the duct penetrates a ceiling, wall, or floor to the outlet terminal with a classified and labeled prefabricated system specifically evaluated for such purposes in accordance with UL 2221.
(3) A duct enclosure shall not be required for a grease duct that penetrates only a non fireresistance-rated roof/ceiling assembly.
OPERATION. Section 507.1.1 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows:
Type 1 hood systems shall be designed and installed to automatically activate the exhaust fan whenever cooking operations occur. The activation of the exhaust fan shall occur through an interlock with the cooking appliances, by means of heat sensors or by means of other approved methods. The system shall be designed by a registered design professional and submitted for plan review with the complete construction document package.
CORRIDORS. Section [BF] 601.2.1 of the International Mechanical Code, as adopted by reference herein, shall be created to read as follows:
A corridor shall not be used as a plenum or integral part of a duct system to convey air to or from one part of a building to another if the corridor is required to be of fire-resistive construction by the Code. However, air may be supplied to such a corridor for the purpose of comfort conditioning, ventilation, exhausting or other reasons and may be returned or exhausted provided all such supply, return or exhaust openings be protected as required by other parts of this Code and not be in violation of this provision.
Exception: Make up air for exhaust from rest rooms and janitors closets opening on to and adjacent to a corridor of fire resistant construction, may be transferred from the corridor provided such transfer means are protected in the manner prescribed by other parts of this Code and such corridor is supplied directly, or through the system supplying the corridor, with outdoor air at a rate greater than the rate of makeup air taken from the corridor.
METALLIC DUCTS. Section 603.4 of the International Mechanical Code is amended to read as follows: All metallic ducts shall be constructed as specified in the SMACNA HVAC Duct Construction Standards - Metal and Flexible.
RETURN AIR SYSTEMS. Section 606.2.1 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows:
Smoke detectors shall be installed in the return or the supply of air systems with a design capacity greater than 2,000 cfm (0.9 m3/s). On the return side it shall be located in the return air duct or plenum upstream of any filters, exhaust air connections, outdoor air connections, or decontamination equipment and appliances. On the supply side the smoke detector shall be located before the first branch or take off.
Exception: Smoke detectors are not required in the return or supply systems where all portions of the building served by the air distribution system are protected by area smoke detectors connected to a fire alarm system, approved by fire department, and the area smoke detection system shall comply with Section 606.4.
HYDRONIC PIPING—SCOPE. Section 1201.1 of the International Mechanical Code, as adopted by reference herein, shall be amended to read as follows: The provisions of this chapter shall govern the construction, installation, alteration and repair of hydronic piping systems. This chapter shall apply to hydronic piping systems that are part of heating, ventilation and air-conditioning systems. Such piping systems shall include steam, hot water, chilled water, steam condensate and ground source heat pump loop systems. Potable cold and hot water distribution systems shall be installed in accordance with Chapter 4 of this Code.
CLASSIFICATIONS.
Class "A-C" (air conditioning and warm air heating) This class includes air handling equipment and air distributions, chilled water systems, warm air heating systems whereby heating is accomplished by distributing heated air by forced or gravity circulation or by radiation, including controls and other items pertaining thereto.
Class "RF" (refrigeration) - This class includes refrigeration systems and refrigeration equipment of all types.
Class "Journeyman sheet metal installer" is a classification for any individual working for a licensed contractor as defined in Sec. 1.250 and who is duly certified as herein set forth to engage in such occupation.
Journeyman sheet metal installer is limited to perform the following types of installations
(1) The placement and installation of the furnace, air conditioning, or other air handling equipment, this does not include any connections of line voltage electricity, fuel gas piping or refrigeration piping;
(2) The installation of the complete air distribution system as defined in this code;
(3) The installation of the products of combustion venting systems as defined in this Code.
Exception 1: "Journeyman residential mechanic" is a limited classification for an individual working for a contractor of a class as set forth in Sec. 1.250 and who is duly certified as herein set forth to engage in such occupation.
Journeyman residential mechanic is limited to perform the following types of installations:
(1) One and two family residential new construction only;
(2) The placement and installation of the furnace, air conditioning or other air handling equipment that pertains to residential use. This does not include gas piping or line voltage electricity.
DEFINITIONS. Unless otherwise specified, the following terms, as used in this chapter, mean as follows:
'Apprentice' means an individual who works as an employee in training under the direct supervision of a Journeyman or Master. An Apprentice is not a certified individual.
'Board' means the board of appeals appointed for air conditioning, refrigeration, warm air heating, and boilers. Their purpose is reviewing code interpretations taken by the building code enforcement division, granting or denying variances requested from the code, other matters pertaining to mechanical, reviewing license applications and license suspensions and revocation.
'Code' means the International Mechanical Code as adopted by the MABCD, as the context of this Article may require.
'Direct supervision' means that the apprentice is limited to the same structure and/or building site as the Journeyman or Master, except in the case of one- and two-family residential development, where the apprentice may be on the job site within 100 feet of where the Journeyman or Master is working.
'Field Experience' means working under the direct supervision of a person having a valid Journeyman or Master certificate or attending trade related schooling. No more than one year of the requirement may be satisfied by trade related schooling. Schooling shall consist of a minimum of 240 hours classroom training.
'Journeyman' means an individual working for a licensed contractor as defined in Sec. 1.250 and engaged principally in the occupation of erecting, installing, altering, repairing, servicing or maintaining in any or all of the following classifications and who is duly certified as herein set forth to engage in such occupation: A Journeyman is responsible for the supervision of any apprentice assigned to work with him.
'Licensed contractor' means a person, firm, partnership, corporation, limited liability company, association or combination thereof, who undertakes or offers to undertake for another, for hire, the planning, laying out, supervising and installing or making additions, alterations, and repairs in the installation of mechanical heating, ventilation, refrigeration and air conditioning systems.
'Licensed trade' or 'trade' means the mechanical, electrical, plumbing or gas fitting trade, as the context of this article may require.
'Master' means an individual that holds a Master certificate issued pursuant to this article evidencing such person to be qualified to lay out, install, maintain and repair work in his area of expertise. A Master is responsible for the supervision of any apprentice assigned to work with him.
'Qualified Master' means an individual who holds a Master certificate issued pursuant to this article evidencing such person to be qualified to control and have authority of all technical work performed under the authority of the licensed contractor's enterprise, and assures quality control and is responsible for complying with all applicable laws, codes and regulations. An individual shall not be the Qualified Master for more than one licensed contractors enterprise unless such individual receives approval from the Director of the MABCD or an authorized representative thereof.
APPRENTICE LIMITATIONS.
(a) Apprentices shall be permitted to work when accompanied by and under the direct supervision of a Master or Journeyman, who shall be responsible for the mechanical work performed by the Apprentice. At any given time, there shall be a maximum of two Apprentices per one Master or one Journeyman for all one or two-family dwelling residential job sites. There shall be a maximum of three Apprentices per one Master or one Journeyman for all triplex or greater density residential job sites or commercial job sites. The on-site Master or Journeyman shall be responsible for maintaining the ratio of Master/Journeyman to Apprentices as required by this section. If an Apprentice works without the required supervision, both the Qualified Master, and the Apprentice may be held responsible for violation of this section.
(b) It shall be unlawful for any Qualified Master, to allow or permit an uncertified individual to engage in the business of erecting, installing, altering, repairing, servicing or maintaining air conditioning, warm air heating or refrigeration.
SCOPE within the currently adopted International Residential Code.
Section M1201.1 of the International Residential Code is amended to read as follows: The provisions of Chapters 12 through 24 of the 2021 International Residential Code excluding sections M1308.2.1, M1308.2.2, M1308.2.3, M1411.9, M1504.2, and Chapter 20, shall regulate the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and used to control environmental conditions within buildings. These Chapters shall also regulate those mechanical systems, system components, equipment and appliances specifically addressed in this Code.
APPLIANCES CLEARANCE. Section M1306.1 of the International Residential Code is amended to read as follows: Appliances shall be installed with the clearances from unprotected combustible materials as indicated on the appliance label and in the manufacturer's installation instructions. Standard Installation Clearances for Unlisted Heat-Producing Appliances shall be in accordance with Table 3-1 as follows:
Table 3-1 shall be created as follows:
TABLE 3-1 - Standard Installation Clearances in Inches for Unlisted Heat-Producing Appliances See Section 304.0.
|
RESIDENTIAL-TYPE |
|
|
APPLIANCE |
|
|
|
|
|
BOILERS AND WATER HEATERS11 |
|
|
|
|
|
|
|
|
|
|
FUEL |
ABOVE
TOP OF CASING OR |
FROM
TOP AND SIDES OF WARM-AIR BONNET OR PLENUM |
FROM FRONT |
FROM BACK |
FROM SIDES |
|
Steam
Boilers 15psi (103.4 |
|
Automatic |
6 |
|
24 |
6 |
6 |
|
|
|
Automatic |
6 |
|
18 |
6 |
6 |
|
|
|
Solid |
6 |
|
24 |
6 |
6 |
|
FURNACES |
CENTRAL OR HEATERS11 |
|
|
|
|
|
|
|
Electric
Central Warm-Air Furnaces Gravity, Upflow, Downflow, Horizontal
and Duct Warm Air |
|
Automatic |
62 |
62 |
24 |
6 |
6 |
|
|
|
Automatic
gas |
62 |
62 |
18 |
6 |
6 |
|
|
|
Solid |
182 |
182 |
48 |
18 |
18 |
|
|
|
Electric |
62 |
62 |
18 |
6 |
6 |
|
FURNACES |
FLOOR |
|
|
|
|
|
|
|
For
Mounting in Combustible Floors |
|
Automatic |
36 |
|
12 |
12 |
12 |
|
|
|
Automatic
gas |
36 |
|
12 |
12 |
12 |
|
HEAT EXCHANGERS |
|
|
|
|
|
|
|
|
Steam-15
psi (103.4 kPa) |
|
1 |
1 |
1 |
1 |
1 |
1 |
|
ROOM HEATERS4 |
|
|
|
|
|
|
|
|
Circulating
Type, |
|
Oil or Solid |
36 |
|
24 |
12 |
12 |
|
|
|
Gas |
36 |
|
24 |
12 |
12 |
|
|
|
Oil or Solid |
36 |
|
36 |
36 |
36 |
|
Radiant |
|
Gas |
36 |
|
36 |
18 |
18 |
|
|
|
Gas
with double metal or ceramic |
36 |
|
36 |
12 |
18 |
|
Fireplace
Stove |
|
Solid |
485 |
|
54 |
485 |
485 |
|
RADIATORS |
|
|
|
|
|
|
|
|
Steam
or Hot |
|
|
36 |
|
6 |
6 |
6 |
|
RANGES
-COOKING |
|
|
|
|
|
Firing |
Opp. |
|
|
|
Oil |
307 |
|
9 |
24 |
18 |
|
|
|
Gas |
307 |
|
6 |
6 |
6 |
|
|
|
Solid
Clay- |
307 |
|
24 |
24 |
18 |
|
|
|
Firepot |
307 |
|
36 |
36 |
18 |
|
|
|
Electric |
307 |
|
6 |
6 |
6 |
|
INCINERATORS |
|
|
|
|
|
|
|
|
Domestic
Types |
|
|
368 |
|
48 |
36 |
36 |
|
COMMERCIAL
INDUSTRIAL-TYPE APPLIANCES |
|
|
APPLIANCE |
|
|
|
|
|
|
|
FUEL |
ABOVE
TOP OF CASING OR APPLIAN |
FROM
TOP AND SIDES OF WARM-AIR BONNET OR PLENUM |
FROM FRONT |
FROM
BACK |
FROM SIDES9 |
|
BOILERS AND WATER HEATERS |
|
|
|
|
|
|
|
|
100 cu.
ft. |
|
All fuels |
18 |
|
48 |
18 |
18 |
|
Steam,
any pressure of 50 psi |
|
All fuels |
18 |
|
48 |
18 |
18 |
|
UNIT HEATERS |
|
|
|
|
|
|
|
|
Floor
Mounted or Suspended |
|
Steam
or hot |
1 |
|
|
1 |
1 |
Footnotes for Table 3-1
(1) The minimum dimension shall be that necessary for servicing the appliance, including access for cleaning and normal care, tube removal, etc.
(2) For a listed oil, combination gas-oil, gas, or electric furnace, this dimension may be two (2) inches (51 mm) if the furnace limit control cannot be set higher than 250°F (121°C), or this dimension may be one (1) inch (25.4 mm) if the limit control cannot be set higher than 200°F (93°C), or the appliance shall be marked to indicate that the outlet air temperature cannot exceed 200°F (93°C).
(3) The dimension may be six (6) inches (152 mm) for an automatically stoker-fired forced- warm air furnace equipped with 250°F (121°C) limit control and with barometric draft control operated by draft intensity and permanently set to limit draft to a maximum intensity of 0.13 inch (3.3mm) water gauge.
(4) Unlisted appliances shall be installed on noncombustible floors and may be installed on protected combustible floors. Heating appliances approved for installation on protected combustible flooring shall be so constructed that flame and hot gases do not come in contact with the appliance base. Protection for combustible floors shall consist of four (4) inch (102 mm) hollow masonry covered with sheet metal at least 0.021 inch (0.53 mm) thick (No. 24 manufacturer's standard gauge). Masonry shall be permanently fastened in place in an approved manner with the ends unsealed and joints matched so as to provide free circulation of air through the masonry. Floor protection shall extend twelve (12) inches (305 mm) at the sides and rear of the appliance, except that at least eighteen (18) inches (457 mm) shall be required on the appliance-opening side or sides measured horizontally from the edges of the opening.
(5) The forty-eight (48) inch (1219 mm) clearance may be reduced to thirty-six (36) inches (915 mm) when protection equivalent to that provided by (a)—(g) of Table 3-2 is applied to the combustible construction.
(6) Steam pipes and hot water heating pipes shall be installed with a clearance of at least one (1) inch (25 mm) to all combustible construction or material, except that at the points where pipes carrying steam at not over fifteen (15) pounds gauge pressure (103.4 kPa) or hot water that emerges from a floor, wall, or ceiling, the clearance at the opening through the finished floorboards or wall- ceiling boards may be reduced to not less than one-half (½) inch (12.7 mm). Each such opening shall be covered with a plate of noncombustible material. Such pipes passing through stock shelving shall be covered with not less than one (1) inch (25.4 mm) of approved insulation. Wood boxes or casing enclosing uninsulated steam or hot water heating pipes or wooden covers to recesses in walls in which such uninsulated pipes are placed shall be lined with metal or insulating millboard. Where the temperature of the boiler piping does not exceed 160°F (71°C), the provisions of this table shall not apply. Coverings or insulation used on steam or hot water pipes shall be of material suitable for the operating temperature of the system. The insulation or jackets shall be of noncombustible materials, or the insulation or jackets and lap seal adhesives shall be tested as a composite product. Such composite product shall have a flame-spread rating of not more than twenty-five (25) and a smoke-developed rating not to exceed fifty (50) when tested in accordance with UBC Standard No. 42-1.
(7) Thirty (30) inches to combustible material or metal cabinets, or if the underside of such combustible material or metal cabinet is protected with insulating millboard at least one-quarter (¼) inch (6.4 mm) thick covered with sheet metal of not less than 0.013 inch (0.33 mm) (No. 28 gauge), the distance may be reduced to twenty-four (24) inches (610 mm).
(8) Clearance above charging door shall be at least forty-eight (48) inches (1.219 mm).
(9) If the appliance is encased in brick, the eighteen (18) inch (457 mm) clearance above and at the sides and rear may be reduced to twelve (12) inches (305 mm).
(10) If the appliance is encased in brick, the clearance above may be reduced to thirty-six (36) inches (914 mm) and at the sides and rear may be reduced to eighteen (18) inches (457 mm).
(11) A central heating boiler or furnace shall be installed in accordance with the manufacturer's instructions and shall be installed on a floor of noncombustible construction with noncombustible flooring and surface finish and with no combustible material against the underside thereof, or on fire-resistive slabs or arches having no combustible material against TOC 246 the underside thereof.
Exception
1. Appliances listed for installation on a combustible floor.
2. Installation on a floor protected in an approved manner. [NFPA 54:9.3.3]”
PROTECTION AGAINST PHYSICAL DAMAGE. Section M1308.2 of the International Residential Code is amended to read as follows: In concealed locations where piping, other than cast- iron or galvanized steel, is installed through holes or notches in studs, joist, rafters, or similar members less than 1.5 inches (38mm) from the nearest edge of the member, the pipe shall be protected by shield plates. Protective steel shield plates having a minimum thickness of 0.0575-inch (1.463 mm) (No. 16 Gage), shall cover the area of the pipe where the member is notched or bored and shall extend a minimum of 2 inches (51 mm) above sole plates and below top plates.
LOCATION. Section M1408.3 of the International Residential Code is amended to read as follows: Vented Floor Furnaces. Location of floor furnaces shall conform to the following requirements:
(1) Floor registers of floor furnaces shall be installed not less than six (6) inches (152 mm) from a wall.
(2) Wall registers of floor furnaces shall be installed not less than six (6) inches (152 mm) from the adjoining wall at inside corners.
(3) The furnace register shall be located not less than twelve (12) inches (305 mm) from doors in any position, draperies or similar combustible objects.
(4) The furnace register shall be located at least five (5) feet (1524 mm) below any projecting combustible materials.
(5) The floor furnace burner assembly shall not project into an occupied under-floor area.
(6) The floor furnace shall not be installed in concrete floor construction built on grade.
(7) The floor furnace shall not be installed where a door can swing within twelve (12) inches (305 mm) of the grille opening.
(8) Replacement of floor furnaces with the same or lesser B.T.U. rating may be installed in the same location with prior approval by the building official.”
INSTALLATION. Section M1409.3 of the International Residential Code is amended to read as follows: Vented wall furnace installations shall conform to the following requirements:
(1) Required wall thicknesses shall be in accordance with the manufacturer's installation instructions.
(2) Ducts shall not be attached to a wall furnace. Casing extensions or boots shall be installed only when listed as part of a listed and labeled appliance. TOC 247
(3) A manual shut off valve shall be installed ahead of all controls.
(4) The wall cavity directly above the wall furnace shall be ventilated by a twenty-six (26) gauge (0.016 inch) (0.4 mm) metal thimble into attic; or, an eight (8) inch (203 mm) by fourteen (14) (356 mm) inch metal grill a minimum of twelve (12) inches (305 mm) below the ceiling.”
AUXILIARY AND SECONDARY DRAIN SYSTEMS. Section M1411.3.1 of the International Residential Code is amended to read as follows: In addition to the requirements of Section M1411.3, a secondary drain or auxiliary drain pan shall be required for each cooling or evaporator coil when located above finished ceilings or furred spaces. Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than 1/8 vertical in twelve (12) units horizontal (1-percent slope). Drain piping shall be a minimum of ¾-inch (19 mm) nominal pipe size. One of the following methods shall be used:
(1) An auxiliary drain pan with a separate drain shall be installed under the coils on which condensation will occur. The auxiliary pan drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. The pan shall have a minimum depth of 1.5 inches (38 mm), shall not be less than three (3) inches (76 mm) larger than the unit or the coil dimensions in width and length and shall be constructed of corrosion resistant material. Metallic pans shall have a minimum thickness of not less than 0.0276-inch (0.7 mm) galvanized sheet metal. Nonmetallic pans shall have a minimum thickness of not less than 0.0625 inch (1.6 mm).
(2) A separate overflow drain line shall be connected to the drain pan provided with the equipment. This overflow drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. The overflow drain line shall connect to the drain pan at a higher level than the primary drain connection.
(3) An auxiliary drain pan without a separate drain line shall be installed under the coils on which condensate will occur. This pan shall be equipped with a water level detection device conforming to UL 508 that will shut off the equipment served prior to overflow of the pan. The auxiliary drain pan shall be constructed in accordance with Item 1 of this section.
(4) A water level detection device conforming to UL 508 shall be provided that will shut off the equipment served in the event that the primary drain is blocked. The device shall be installed in the primary drain line, the overflow drain line or the equipment-supplied drain pan, located at a point higher than the primary drain line connection and below the overflow rim of such pan.”
AUXILIARY DRAIN PAN. Section M1411.5 of the International Residential Code is amended to read as follows: Category IV condensing appliances shall have an auxiliary drain pan when located above finished ceilings or furred spaces. These pans shall be installed in accordance with the applicable provisions of Section M1411.3.1. Exception: Fuel-fired appliances that automatically shut down operation in the event of a stoppage in the condensate drainage system.
BATHROOM EXHAUST. Section M1501.1 of the International Residential Code is amended to read as follows: Outdoor Discharge. The air removed by mechanical exhaust systems shall be discharged to the outdoors in accordance with Section M1506.2.
Exceptions:
(1) Whole house ventilation-type attic fans that discharge into the attic space of dwelling units having private attics shall be permitted.
(2) Ventilation air from one or two family residential bathrooms or toilet rooms may be exhausted into a properly ventilated attic when all of the following are met:
1. The duct(s) conveying exhaust into the attic shall terminate a minimum of thirty-six (36) inches above the top of the ceiling framing members, and shall not discharge upon any building element.
2. Attics into which bath and/or toilet room exhausts are discharged must be properly ventilated, in accordance with Section R806, and shall not discharge into an unvented attic assembly.
3. The exhaust duct(s) shall terminate above the top of the attic insulation with a "goose- neck" installed to prevent infiltration of insulating material into the duct.
4. All exhaust duct(s) run above the insulation inside of attics shall be insulated.
DUCT INSTALLATION. Section M1502.4.2 of the International Residential Code is amended to read as follows: Exhaust ducts shall be supported at intervals not to exceed 12 feet (3658 mm) vertically or 6 feet (1828.8 mm) horizontally and shall be secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow. Exhaust duct joints shall be sealed.
SPECIFIED LENGTH. Section M1502.4.6.1 of the International Residential Code is amended to read as follows: The maximum length of the exhaust duct shall be 45 feet (13716mm) from the connection to the transition duct from the dryer to the outlet terminal. Where fittings are used, the maximum length of the exhaust duct shall be reduced in accordance with Table M1502.4.5.1 of the International Residential Code. The maximum length of the exhaust duct does not include the transition duct.”
VERTICAL CLEARANCE. Section M1503.1.5 of the International Residential Code is created to read as follows: Domestic cooking appliances either built-in or freestanding shall have a vertical clearance above the cooking top of not less than thirty (30) inches (760 mm) to combustible material or metal cabinets. A minimum clearance of twenty-four (24) inches (610 mm) is permitted when one of the following is installed:
(1) The underside of the combustible material or metal cabinet above the cooking top is protected with not less than ¼ inch (6.4 mm) insulating millboard covered with sheet metal not less than 0.0122 inch (0.3 mm) thick.
(2) A metal ventilating hood of sheet metal not less than 0.0122 inch (0.3 mm) thick is installed above the cooking top with a clearance of not less than ¼ inch (6.4 mm) between the hood and the underside of the combustible material or metal cabinet, and the hood is at least as wide as the appliance and is centered over the appliance.
(3) A listed cooking appliance or microwave oven is installed over a listed cooking appliance and will conform to the terms of the upper appliance's listing and the manufacturers' instructions.”
OVERHEAD EXHAUST HOODS. Section M1503.2.1 of the International Residential Code is amended to read as follows: Domestic open-top broiler units shall be provided with a metal exhaust hood, not less than twenty eight (28) gauge, with ¼ inch (6 mm) between the hood and the underside of combustible material or cabinets. A clearance of at least thirty (30) inches (760 mm) shall be maintained between the cooking surface and the combustible material or cabinet. The hood shall be at least as wide as the broiler unit and shall extend over the entire unit. Such exhaust hood shall discharge to the outdoors and shall be equipped with a backdraft damper or other means to control infiltration/exfiltration when not in operation. Broiler units incorporating an integral exhaust system, and listed and labeled for use without an exhaust hood, need not be provided with an exhaust hood.
RECIRCULATION OF AIR. Section M1505.2 of the International Residential code is amended to read as follows: Exhaust air from bathrooms and toilet rooms shall not be recirculated within a residence or to another dwelling unit and shall be exhausted directly to the outdoors. Exhaust air from bathrooms and toilet rooms may discharge into an attic when the following are met:
(1) The duct(s) conveying exhaust into the attic shall terminate a minimum of thirty-six (36) inches above the top of the ceiling framing members, and shall not discharge upon any building element.
(2) Attics into which bath and/or toilet room exhausts are discharged must be properly ventilated, in accordance with Section R806, and shall not discharge into an unvented attic assembly.
(3) The exhaust duct(s) shall terminate above the top of the attic insulation with a "goose-neck" installed to prevent infiltration of insulating material into the duct. Exhaust duct(s) run above the insulation inside of attics shall be insulated. Sec. 5.4.135. – Table 1601.1.1(2). Sec. 5.4.135 is hereby created to read as follows: Section M1601.1.1(2). Table 1601.1.1(2). Gauges for metal ducts and plenums used for heating or cooling shall meet current SMACNA HVAC Duct Construction Standards.
DUCT INSULATION MATERIALS. Sec. M1601.3 of the International Residential Code is amended to read as follows: Duct insulation materials shall conform to the following requirements:
(1) Duct coverings and linings, including adhesives where used, shall have a flame spread index not higher than twenty-five (25), and a smoke-developed index not over fifty (50) when tested in accordance with ASTME 84, using the specimen preparation and mounting procedures of ASTME 2231.
(2) Duct coverings and linings shall not flame, glow, smolder or smoke when tested in accordance with ASTM C 411 at the temperature to which they are exposed in service. The test temperature shall not fall below 250°F (121°C).
(3) External duct insulation and factory-insulated flexible ducts shall be legibly printed or identified at intervals not longer than thirty-six (36) inches (914 mm) with the name of the manufacturer; the thermal resistance R-value at the specified installed thickness; and the flame spread and smoke-developed indexes of the composite materials. All duct insulation product R- values shall be based on insulation only, excluding air films, vapor retarders or other duct components, and shall be based on tested C-values at 75°F (24°C) mean temperature at the installed thickness, in accordance with recognized industry procedures. The installed thickness of duct insulation used to determine its R-value shall be determined as follows:
(a) For duct board, duct liner and factory-made rigid ducts not normally subjected to compression, the nominal insulation thickness shall be used.
(b) For duct wrap, the installed thickness shall be assumed to be seventy-five (75) percent (25- percent compression) of nominal thickness.
(c) For factory-made flexible air ducts, the installed thickness shall be determined by dividing the difference between the actual outside diameter and nominal inside diameter by two.
(d) Duct insulation shall conform to the requirements of the Table of R-Values of Duct Insulation.
JOINTS AND SEAMS. Sec. M1601.4.1 of the International Residential Code is amended to read as follows: All joints and seams of that portion of supply and/or return ductwork installed outside of the conditioned envelope shall be made substantially airtight by means of tapes, mastics, gaskets, and other approved closure systems, commercially available and specially designed for sealing. "Duct Tape" shall not be an acceptable method. Closure systems used with rigid fibrous glass ducts shall comply with UL 181A and shall be marked "181A-P" for pressure-sensitive tape, "181 A-M" for mastic or "181 A-H" for heat-sensitive tape. Closure systems used with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked "181B-FX" for pressure sensitive tape or "181B-M" for mastic. Duct connections to flanges of air distribution system equipment or sheet metal fittings shall be mechanically fastened. Mechanical fasteners for use with flexible nonmetallic air ducts shall comply with UL 181B and shall be marked 181B-C. Crimp joints for round metal ducts shall have a contact lap of at least 1½ inches (38 mm) and shall be mechanically fastened by means of at least three (3) sheet-metal screws or rivets equally spaced around the joint.
Exception: Low pressure systems.
RETURN AIR. Section M1602.1 of the International Residential Code is amended to read as follows: Return air shall be taken from inside the dwelling. Dilution of return air with outdoor air shall be permitted. In new dwellings and additions to existing one and two family dwellings where a new separate heating and/or cooling system is being added to serve, but not necessarily limited to only serve the new addition, an outside air duct shall be connected to the main return air duct, prior to the filter, of each heating and/or cooling system for the habitable space served. Duct size shall be based on the square footage of habitable space served as follows:
(1) 1500 sq. ft. or less: 4 inch diameter or 12.6 square inches.
(2) 1501 sq. ft. to 2000 sq. ft.: 5 inch diameter or 19.6 square inches.
(3) 2001 sq. ft. and larger: 6 inch diameter or 28.3 square inches. All areas listed exclude finished basement area. The outside air duct shall be provided with a ¼ inch wire mesh inlet screen. The outside air duct shall not draw air from contaminated sources.
PROHIBITED SOURCES. Section M1701.5 of the International Residential Code is created to read as follows: Combustion air ducts and openings shall not connect appliance enclosures with space in which the operation of a fan may adversely affect the flow of combustion air. Combustion air shall not be obtained from an area in which flammable vapors present a hazard. Fuel-fired appliances shall not obtain combustion air from any of the following rooms or spaces:
(1) Sleeping rooms.
(2) Bathrooms.
(3) Toilet rooms.
Exceptions: The following appliances shall be permitted to obtain combustion air from sleeping rooms, bathrooms and toilet rooms: 1. Solid fuel-fired appliances provided that the room is not a confined space and the building is not of unusually tight construction. 2. Replacement of fuel-fired appliances installed in toilet rooms if approved by the building official.
(Code 2022; Code 2024)
Any person who shall violate the provision of this code or shall fail to comply with any of the requirements thereof, or who shall act in violation of the approved plan or directive of an official or of a permit or certificate issued under the provisions of this code shall be prosecuted as set forth in Section 108 et seq. of the International Mechanical Code as amended. Each day of violation shall be a separate violation. Furthermore, such person may be required to repair or correct any violation and pay all costs associated therewith.
(Code 2011)
The imposition of the penalties herein prescribed shall not preclude the City from instituting an appropriate action to restrain, correct, or abate a violation of this Article, and specific authority for such is hereby granted to take any action or imposing any penalty allowed by State law, this code, or this Article.
(Code 2011)
Enforcement of this code within the boundaries of the City shall be by the Code Enforcement Official(s) designated by the Director of Public Works. Prosecution of any violations of this code shall be in the Haysville Municipal Court, and shall be in conformance with the City’s general penalty clause set forth in Chapter 1, Section 1-121 of this Code. The City hereby authorizes the building official to enforce such rules and regulations as are necessary to carry out the purpose(s) of this Code.
Requirements of this code and Article shall not be construed as imposing on the City, its officers, agents, or employees, any liability or responsibility for any damages to any property or any injury to any person due to defective installation or any other reason.
(Code 2011)
If any part or parts of this Article shall be held to be invalid such invalidity shall not affect the validity of the remaining part of this Article.
(Code 2011)