AN ORDINANCE OF THE CITY OF LAWRENCE, KANSAS, REPEALING EXISTING CHAPTER V, ARTICLE 6 OF THE CODE OF THE CITY OF LAWRENCE, 2011 EDITION, AND AMENDMENTS THERETO, REPEALING ORDINANCE NO. 8586, AND ENACTING, IN THEIR PLACE, CHAPTER V, ARTICLE 6 OF THE CODE OF THE CITY OF LAWRENCE, KANSAS, 2011 EDITION, AND AMENDMENTS THERETO, WHICH ADOPTS AND INCORPORATES BY REFERENCE THE 2012 INTERNATIONAL MECHANICAL CODE, REGULATING BUILDING AND CONSTRUCTION WITHIN THE CITY OF LAWRENCE, KANSAS.
BE IT ORDAINED BY THE GOVERNING BODY OF THE CITY OF LAWRENCE, KANSAS:
SECTION 1. Existing Chapter V, Article 6, of the Code of the City of Lawrence, Kansas, 2011 Edition, and amendments thereto, and City of Lawrence, Kan., Ord. No. 8586 (Nov. 2, 2010), are hereby repealed in their entirety, it being the intent of the Governing Body that Section 2 of this Ordinance supersede them.
SECTION 2. The Code of the City of Lawrence, Kansas, 2011 Edition, and amendments thereto, is hereby amended by enacting Chapter V, Article 6, which reads as follows:
ARTICLE 6. MECHANICAL CODE
5-601 MECHANICAL CODE ADOPTED AND INCORPORATED.
The 2012 International Mechanical Code, published by the International Code Council, Inc., other than those portions hereinafter specifically deleted, modified, or amended, is hereby adopted as the City's Mechanical Code and is incorporated herein by reference as if set forth in full.
5-602 OFFICIAL COPY.
Not less than one (1) copy of the 2012 International Mechanical Code shall be marked or stamped "OFFICIAL COPY AS INCORPORATED BY ORDINANCE No. 8797," with all sections or portions deleted, modified, or amended clearly marked as such, and to which one (1) copy of this ordinance shall be affixed, shall be filed with the City Clerk, shall be open to inspection, and shall be available to the public during reasonable business hours. Additional official copies shall, at the cost of the City, be supplied to those officials and agencies charged with enforcement of the City's Mechanical Code.
5-603 AMENDMENTS TO THE 2012 INTERNATIONAL MECHANICAL CODE.
The 2012 International Mechanical Code is amended as set forth in the succeeding sections of this Article. These amendments shall not serve to delete, modify, or amend any discretely numbered section or subsection of the 2012 International Mechanical Code, unless the section or subsection is specifically identified as being deleted, modified, or amended.
5-604 CHAPTER 1, "SCOPE AND ADMINISTRATION," of the 2012 International Mechanical Code is hereby deleted.
5-605 Section 303.3 of the 2012 International Mechanical Code is hereby amended to read as follows:
303.3 Prohibited locations. 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.
3. Toilet rooms.
4. Storage closets.
5. Surgical rooms.
6. Hot tub rooms.
Exceptions: 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-fired 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 air is taken directly from the outdoors, in accordance with Chapter 7. Access to such enclosure shall be through a solid door, weather-stripped in accordance with the exterior door air leakage requirements of the International Energy Conservation Code and equipped with an approved self-closing device.
5-606 Sections 307.2.2 and 307.4 of the 2012 International Mechanical Code are hereby amended to read as follows:
307.2.2 Drain pipe
materials and sizes. Components
of the condensate disposal system shall be cast iron, galvanized steel, copper,
cross-linked polyethylene, polybutylene, polyethylene, ABS, CPVC or PVC pipe or
tubing. All components shall be selected for the pressure and temperature
rating of the installation. Joints and connections shall be made in accordance
with the applicable provisions of Chapter 7 of the 2012 International
Plumbing Code relative to the material type. Condensate waste and drain
line size shall be not less than 3/4-inch (19 mm) internal diameter and shall
not decrease in size from the drain pan connection to the place of condensate
disposal. Where the drain pipes from more than one unit are manifolded together
for condensate drainage, the pipe or tubing shall be sized in accordance
with the above drains must comply with all of the following:
1. The pipe or tubing shall be sized in accordance with Table 307.2.2;
2. A maximum of three(3) units may be connected together unless a minimum 1½” common drain is used; and
3. The common drain must be provided with a cleanout for servicing.
5-607 307.2.4
Traps. Condensate drains shall be trapped as required recommended
by the equipment or appliance manufacturer.
5-608 Table 307.2.2, "Condensate Drain Sizing," of the 2012 International Mechanical Code is hereby amended to read as follows:
TABLE 307.2.2
CONDENSATE DRAIN SIZING
|
EQUIPMENT CAPACITY |
MINIMUM CONDENSATE PIPE DIAMETER |
|
Up to 5 tons of refrigeration |
3/4 inch |
|
Up to 7 ½ tons of refrigeration |
1 inch |
|
Up to 50 tons of refrigeration |
1 ½ inch |
|
Up to 170 tons of refrigeration |
2 inch |
|
Up to 300 tons of refrigeration |
3 inch |
1 inch = 25.4 mm, 1 ton = 3.517 kW.
5-609 The 2012 International Mechanical Code is hereby amended by adding Section 401.1.1, which reads as follows:
401.1.1 Standards. The current ASHRAE 62 standard may be substituted for the ventilation requirements of Chapter 4 of the 2012 International Mechanical Code.
5-610 Section [B] 601.2 of the 2012 International Mechanical Code is hereby amended to read as follows:
[B] 601.2 Air movement in egress elements. Corridors shall not serve as supply, return, exhaust, relief or ventilation air ducts.
Exceptions:
1. Use of a corridor as a source of makeup air for exhaust systems in rooms that open directly onto such corridors, including toilet rooms, bathrooms, dressing rooms, smoking lounges and janitor closets, shall be permitted, provided that each such corridor is directly supplied with outdoor air at a rate greater than the rate of makeup air taken from the corridor.
2. Where located within a dwelling unit, the use of corridors for conveying return air shall not be prohibited.
3. Where
located within tenant spaces of 1,000 square feet (93 m2) or less in area,
utilization of corridors for conveying return air is permitted.
4. Incidental air movement from pressurized rooms within health care facilities, provided that the corridor is not the primary source of supply or return to the room.
5-611 Table 603.4, "Duct Construction Minimum Sheet Metal Thicknesses for Single Dwelling Units," is hereby deleted.
5-612 Section 603.5 of the 2012 International Mechanical Code is hereby amended to read as follows:
603.5 Nonmetallic ducts. Nonmetallic
ducts shall be constructed with Class 0 or Class 1 duct material in accordance
with UL 181. Fibrous duct construction shall conform to the SMACNA Fibrous
Glass Duct Construction Standards or NAIMA Fibrous Glass Duct Construction
Standards. The maximum air temperature within nonmetallic ducts shall not
exceed 250ºF (121ºC).
5-613 The 2012 International Mechanical Code is hereby amended by adding Section 603.5.2, which reads as follows:
603.5.2 Prohibition. Rigid fibrous glass duct is prohibited.
Exception: In R occupancies, rigid Fibrous duct is permitted, provided the duct is readily accessible for repair or cleaning.
5-614 Sections 603.6.2.1 and 603.6.2.2 of the 2012 International Mechanical Code are hereby deleted.
5-615 Sections 603.6, 603.6.1.1, 603.6.2, and 603.6.4 of the 2012 International Mechanical Code are hereby amended to read as follows:
603.6 Flexible air ducts and flexible air
connectors. Flexible
air ducts, both metallic and nonmetallic, shall comply with Sections 603.6.1,
603.6.1.1, 603.6.3 and 603.6.4. Flexible air connectors, both metallic and
nonmetallic, shall comply with Sections 603.6.2 through 603.6.4.
603.6.1.1 Duct length. Flexible air ducts
shall not be limited in length to 8 feet.
Exception: In R occupancies, flexible air ducts shall be limited in length to a maximum of 15 feet.
603.6.2 Flexible air
connectors. Flexible
air connectors, both metallic and nonmetallic, shall be tested in accordance
with UL 181. Such connectors shall be listed and labeled as Class 0 or Class 1
flexible air connectors and shall be installed in accordance with Section
304.1. are not permitted.
603.6.4 Flexible air
duct and air connector clearance. Flexible air ducts and air
connectors shall be installed with a minimum clearance to an appliance as
specified in the appliance manufacturer’s installation instructions.
5-616 Section 603.8 of the 2012 International Mechanical Code is hereby amended to read as follows:
603.8
Underground ducts. Ducts shall be approved for underground installation. Metallic underground ducts not having an approved
protective coating shall be completely encased in a minimum of 2 inches (51
mm) of concrete.
5-617 [B] Section 607.4 of the 2012 International Mechanical Code is hereby amended to read as follows:
[B] 607.4 Access and
identification.
Fire and smoke dampers shall be provided with an approved means of access large
enough to permit inspection and maintenance of the damper and its operating
parts. To permit inspection and maintenance of the damper and its
operating parts, there shall be a minimum of 144 square inches access; when the
duct is less than 12” wide, the duct shall be equipped with a removable section
of duct for access. Ceiling access must have a minimum 18”x18” access opening,
with unobstructed access to duct access. The access shall not affect the
integrity of fire-resistance-rated assemblies. The access openings shall not
reduce the fire-resistance rating of the assembly. Access points shall be
permanently identified on the exterior by a label having letters not less than
0.5 inch (12.7 mm) in height reading: FIRE/SMOKE DAMPER, SMOKE DAMPER or FIRE
DAMPER. Access doors in ducts shall be tight fitting and suitable for the
required duct construction.
5-618 Section 1003.3 of the 2012 International Mechanical Code is hereby amended to read as follows:
1003.3 Welding. Welding on pressure
vessels shall be performed by approved certified welders in
compliance with nationally recognized standards.
5-619 The 2012 International Mechanical Code is hereby amended by adding Section 1004.6.1, which reads as follows:
1004.6.1 Emergency Shutoff. Any Boiler, whether for building heat or domestic hot water, 200,000 BTU and above, shall have an emergency shutoff located outside the boiler room. The switch must be labeled with a red tag and white letters that read “EMERGENCY BOILER SHUT OFF”.
Exception: When approved by the State Boiler Inspector, the switch may be located inside the boiler room.
SECTION 3. If any section, clause, sentence, or phrase of this ordinance is found to be unconstitutional or is otherwise held invalid by any court of competent jurisdiction, it shall not affect the validity of any remaining parts of this ordinance.
SECTION 4. After adoption and publication as provided by law, this ordinance shall be in full force and effect, commencing March 1, 2013.
ADOPTED by the Governing Body of the City of Lawrence, Kansas, this ____ day of December, 2012.
APPROVED:
___________________________________
Robert J. Schumm
Mayor
ATTEST:
__________________________________
Jonathan M. Douglass
City Clerk
APPROVED AS TO FORM AND LEGALITY:
__________________________________
Toni R. Wheeler
City Attorney
*****
NOTICE TO PUBLISHER
Publish one time and return one Proof of Publication to the City Clerk and one to the City Attorney.