ORDINANCE 2013-08  AN ORDINANCE OF THE CITY OF TOLAR, TEXAS, ADOPTING THE 2012 INTERNATIONAL MECHANICAL CODE THAT: IS WRITTEN BY THE INTERNATIONAL CODE COUNCIL, AS THE STANDARD BY WHICH ALL CONSTRUCTION OR INSTALLATION PERFORMED WITHIN THE CITY LIMITS IS. JUDGED; AND ADOPTING THE NCTCOG (NORTH CENTRAL TEXAS COUNCIL OF GOVERNMENTS) RECOMMENDED AMENDEMENTS TO THE 2012 INTERNATIONAL MECHANICAL CODE AND REPEALING ALL ORDINANCES AND PARTS OF THE ORDINANCES IN CONFLICT WHEREAS, the City of Tolar has a responsibility to maintain the highest standards of quality and safety in all areas of constructions and manufacture; and WHEREAS, the International Code Council, has established regulations and requirements which have been approved and accepted as a standard by which  THEREWITH.  municipalities may measure performance and installation;  NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE The 2012 Version of the International Mechanical Code and the recommended amendments by the NCTCOG (North Central Texas Council of Governments) thereto is hereby adopted and referred to as the Official Mechanical Code of the City of Tolar, and itis is made a part of Chapter 3 - Building Regulations of the Code of Ordinances of the  CITY OF TOLAR, TEXAS:  City of Tolar.  A copy of this 2012 International Mechanical and the NCTCOG recommended Should the City Council desire to make any modifications to the 2012 International Mechanical Code, they shall adopt the amendments thereto by ordinance. This ordinance shall be in full force and effective from and after its passage, and  amendments shall be placed on file in the office of the City of Tolar.  itis is SO ordained.  PASSED AND APPROVED THIS 19th DAY OF AUGUST 2013.    ATTEST:  E OF  oomapine Joyce Oghnson, City Secretary  TEXAS    Recommended Amendments to the 2012 International Mechanical Code North Central Texas Council of Governments region  The following sections, paragraphs, and sentences of the 2012 International Mechanical Code are hereby amended asi follows: Standard typei is text from the IMC. Underlined typei is texti inserted. Linedthroughtypeis deeledew-ome.MC, A double asterisk at the beginning of a section identifies an amendment carried over from the 2009 edition of the code and at triple asterisk identifies a new or revised amendment with the Note: Historically NCTCOG has limited Chapter 1 amendments in order to allow each city to insertt their local policies and procedures. We now have suggested certain items to be brought to the attention of cities considering adoption of the code that may be of concern to several jurisdictions. It is still intended to be  2012 edition of the code.  discretionary to each city to determine which Chapter 1 amendments to include.  **Section 102.8; change to read as follows:  102.8 Referenced codes and standards. The codes and standards referenced herein shall be those that are listed in Chapter 15 and such codes,when specifically adopted, and standards shall be considered part of the requirements oft this code to the prescribed extent of each such reference. Where differences occur between provisions of this code and the referenced standards, the provisions of this code shall apply. Whenever amendments have been adopted to the referenced codes and standards. each reference to said code and standard shall be considered to reference the amendments as well. Any reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted. (Reason: Legal wording to recognize locally adopted codes and amendments adopted with referenced  codes.)  **Section 304.6; delete. amendment to IFGC 305.5.)  (Reason: This provision does not reflect standard practice in this area. Consistent with regional  ***Section 306.3; change to read as follows:  306.3 Appliances in attics. Attics containing appliances requiring access shall be provided.. . fbulk of paragraph unchanged). - side of the appliance. The clear access opening dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 mm), or larger where such dimensions are. not large enough to allow removal oft the largest appliance. AV walkway to an appliance shall be rated as ai floor as approved by the building official. Asar minimum, for access tot the attic space, provide one oft the  following:  1. Apermanent stair.  2. Apull down stair with a minimum 300 Ib(136 kg) capacity. 3. Anaccess door from an upper floor level.  4. Access Panel may be used in lieu of items 1.2. and 3 with prior approval of the code official due  tobuilding conditions.  North Central Texas Council of Governments  March 2013  2012 IMC Amendments    Exceptions:  1. The passageway and level service space are not required where the appliance is capable  ofbeing serviced and removed... fremainder ofs section unchanged)  (Reason: To provide a safe means of accessibility to appliances in attics and to allow for different types of  construction limitations. Consistent with regional amendment to IFGC 306.3.)  ***Section. 306.5; change to read as follows:  306.5 Equipment and appliances on roofs or elevated structures. - Where equipment requiring access or appliances are located on an elevated structure or the roof of al building such that personnel will have to climb higher than 16 feet (4877 mm) above grade to access, an a permanent interior or exterior means of access shall be provided. Permanent exterior ladders providing roof access need not extend closer than-8- 12 feet (2438 mm) to the finish grade or floor level below and shall extend to the equipment and appliances' level service space. Such access shall. (bulk of section to read the same).. on roofs having a slope greater than 4 units vertical in 12 units horizontal (33-percent slope). : fbulk of section to (Reason: To assure safe access to roof appliances and provide a greater level of security for equipment  read the same).  locate more than 161 feet above, grade. Consistent with IFGCamendments)  **Section 306.5.1; change to read as follows:  306.5.1 Sloped roofs. Where appliances, equipment, fans or other components that require service are installed enaroofhavinga-slesopeaf3unisvenkealn12unic-onsonta-25-percents slope)ergreater on roofs having slopes greater than 4 units vertical in 12 units horizontal and having an edge more than 30 inches (762 mm) above grade at such edge, a catwalk at least 16 inches iny width with substantial cleats spaced not more than 16 inches apart shall be provided from the roof access to al level platform at the appliance. The level platform shall be provided on each side of the appliance to which access is required for service, repair or maintenance. The platform shall be not less than 30 inches (762 mm) in any dimension and shall be provided with guards. The guards shall extend not less than 42i inches (1067 mm) above the platform, 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 International Building (Reason: To assure safe access to roof appliances. Consistent with IFGC amendments.)  Code.  **Section 306; add Section 306.6 to read as follows:  306.6 Water heaters above ground or floor. When the mezzanine or platform in which a water heater isi installed is more than eight (8) feet (2438 mm) above the ground or floor level, it shall be made Exception: A max 10 gallon water heater (or larger with approval) is capable of being accessed through a lay-in ceiling and a water heater is installed is not more than ten (10) feet (3048 mm) above 306.6.1 Whenever the mezzanine or platform is not adequately lighted or access to a receptacle outlet is not obtainable from the main level, lighting and a receptacle outlet shall be provided in  accessible by a stairway or permanent ladder fastened tot the building.  the ground or floor level and may be reached with a portable ladder.  accordance with Section 306.3.1. North Central Texas Council of Governments  March 2013  2012 IMC Amendments    (Reason: To provide safe access to water heaters and to provide lighting and receptacle for maintenance  ofequipment. Consistent with regional amendments to IFGC 306.7a and IPC 502.5.)  **Section 307.2.2; change to read as follows:  307.2.2 Drain pipe materials and sizes. Components oft the condensate disposal system shall be cast iron, galvanized steel, copper, cross-linked polyethylene, polybutylene, polyethylene, ABS, CPVC or schedule 80 PVC pipe or tubing when exposed to ultra violet light. All components shall be selected for the pressure.and temperature, and exposure rating oft the installation. (Remaining language unchanged) (Reason: To provide greater flexibility of materials when exposed to ultra violet light.)  **Section 307.2.3; amend. item 2 to read as follows:  2. As 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 occupants in the event ofa stoppage oft the primary drain. The overflow drain line shall connect to the drain pan at al higher level than the primary drain connection.. However, the conspicuous point shall not create al hazard such as (Reason: Greater specificity in prohibited locations for condensate discharge. Consistent with regional  dripping over a walking surface or other areas so as to create a nuisance.  amendment to IPC314.2.1.)  **Section 403.2.1; add an item 5 to read as follows:  5. Toilet rooms within private dwellings that contain only a water closet. lavatory or combination thereof may be ventilated with an approved mechanical recirculating fan or similar device (Reason: Consistent with common regional practice. Consistent with regional amendment to IRC  designed to remove odors from the air.  R303.3.)  **Section 501.2; add an exception to read as follows:  501.2 Exhaust discharge. The air removed by every mechanical exhaust system shall be discharged outdoors at a point where ity will not cause ar nuisance and not less than the distances specified in Section 501.2.1. The air shall be discharged to al location from which it cannot again be readily drawn in bya  ventilating system. Air shall not be exhausted into an attic or craw! space.  Exceptions:  1. Whole-house ventilation-type attic fans shall be permitted to discharge into the attic space of  dwelling units having private attics. 2. Commercial cooking recirculating systems.  3. Toilet room exhaust ducts may terminate in a warehouse or shop area when infiltration of  outside airi is present.  North Central Texas Council of Governments  March 2013  2012 IMC Amendments    (Reason: Provide a reasonable alternative in areas where a large volume of outside airi is present.)  **Section 607.5.1; change to read as follows:  607.5.1 Fire Walls. Ducts and air transfer openings permitted int fire walls in accordance with Section 705.11 of the International Building Code shall be protected with listed fire dampers installed in accordance with their listing. For hazardous exhaust systems see Section 510.1-510.91 IMC.  (Reason: Correspond with unamended IBC 710.7.)  END  North Central Texas Council of Governments  March 2013  2012 IMC Amendments