TITLE 14             HOUSING AND CONSTRUCTION

CHAPTER 9        MECHANICAL CODES

PART 2                 2012 NEW MEXICO MECHANICAL CODE

 

14.9.2.1                 ISSUING AGENCY:  Construction Industries Division (CID) of the Regulation and Licensing Department.

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14.9.2.2                 SCOPE:  This rule applies to all contracting work performed in New Mexico on or after May 1, 2015, that is subject to the jurisdiction of CID, unless performed pursuant to a permit for which an application was received by CID before that date.

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14.9.2.3                 STATUTORY AUTHORITY:  Sections 60-13-9 and 60-13-44 NMSA 1978.

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14.9.2.4                 DURATION: Permanent.

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14.9.2.5                 EFFECTIVE DATE:  May 1, 2015, unless a later date is cited at the end of a section.

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14.9.2.6                 OBJECTIVE:  The purpose of this rule is to establish minimum standards for the installation, repair, and replacement of mechanical systems including equipment, appliances, fixtures, fittings and appurtenances including ventilating, heating, cooling, air conditioning, and refrigeration systems, incinerators, and other energy related systems in New Mexico.

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14.9.2.7                 DEFINITIONS:  See 14.5.1 NMAC, General Provisions and chapter 2 of the 2012 Uniform Mechanical Code (UMC) as amended in 14.9.2.10 NMAC.

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14.9.2.8                 ADOPTION OF THE 2012 UNIFORM MECHANICAL CODE:

                A.            This rule adopts by reference the 2012 UMC, as amended by this rule.

                B.            In this rule, each provision is numbered to correspond with the numbering of the 2012 UMC.

                C.            This rule is to be applied in conjunction with 14.7.6 NMAC, the 2009 New Mexico Energy Conservation Code.

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14.9.2.9                 CHAPTER 1 ADMINISTRATION:

                A.            Part 1 - General.

                                (1)           101.0 Title, scope, and general.

                                                (a)           101.1  Title.  Delete this section of the UMC and substitute:  This code shall be known as 14.9.2 NMAC, the 2012 New Mexico Mechanical Code (NMMC).

                                                (b)           101.2  Purpose.  Delete this section of the UMC and see 14.9.2.6 NMAC.

                                                (c)           101.3  Scope.  Delete this section of the UMC and see 14.9.2.2 NMAC, and except as provided below.

                                                (d)           101.3.1.1  Conflicts between codes.  Delete this section of the UMC and see 14.5.1 NMAC.

                                (2)           103.0 Alternate materials and methods of construction.  Delete this section of the UMC and see 14.5.1 NMAC.

                B.            Part II - Organization and enforcement.

                                (1)           106.0 Powers and duties of the authority having jurisdiction.

                                                (a)           106.1  General.  Delete this section of the UMC and see Construction Industries Licensing Act (CILA).

                                                (b)           106.2  Deputies.  Delete this section of the UMC and see CILA Sections 60-13-8 and 60-13-41 and Section 9-16-7 NMSA 1978.

                                                (c)           106.3  Right of entry.  Delete this section of the UMC and see CILA Section 60-13-42.

                                                (d)           106.4  Stop orders.  Delete this section of the UMC and see 14.5.2 NMAC.

                                                (e)           106.5  Authority to disconnect utilities in emergencies.  Delete this section of the UMC and see CILA Section 60-13-42.

                                                (f)            106.6  Authority to condemn equipment.  Delete this section of the UMC and see 14.5.1 NMAC.

                                                (g)           106.7  Connection after order to disconnect.  Delete this section of the UMC and see 14.5.1 NMAC.

                                                (h)           106.8  Liability.  Delete this section of the UMC and see CILA Section 60-13-26.

                                                (i)            106.9  Cooperation of other officials and officers.  Delete this section of the UMC.

                                (2)           107.0 Unsafe equipment.  Delete this section of the UMC and see 14.5.1 NMAC.

                                (3)           108.0 Board of appeals.  Delete this section of the UMC and see 14.5.1 NMAC.

                                (4)           109.0 Violations.  Delete this section of the UMC and see CILA Section 60-13-1 to -59, and 14.5.3 NMAC, Inspections.

                C.            Part III - Permits and inspections.

                                (1)           110.0 Penalties.

                                (2)           111.0 Permits.  Delete this section of the UMC and see 14.5.2 NMAC.

                                (3)           112.0 Application for permit.  Delete this section of the UMC and see 14.5.2 NMAC.

                                (4)           113.0 Permit issuance.  Delete this section of the UMC and see 14.5.2 NMAC.

                                (5)           114.0 Fees.  Delete this section of the UMC and see 14.5.5 NMAC.

                                (6)           115.0 Inspections.  Delete this section of the UMC and see 14.5.3 NMAC.

                                (7)           116.0 Connection approval.  Delete this section of the UMC and see 14.5.2 NMAC.

                                (8)           117.0 Unconstitutional.

                                (9)           118.0 Validity.

                                (10)         Table 114.1  Mechanical permit fees.  Delete this table from the UMC and see 14.5.5 NMAC.

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14.9.2.10               CHAPTER 2 DEFINITIONS:  See this chapter of the UMC except as provided below.

                A.            203.0 Authority having jurisdiction.  Delete the text of this definition and substitute: The authority having jurisdiction is the CID and the bureau chief of the mechanical and plumbing bureau of CID.

                B.            214.0 Listed and listing.  See this definition in the UPC and add the following provision at the end of the definition: A manufacturer may select the independent certification organization of its choice to certify its products, provided that the certification organization has been accredited by the American national standards institute (ANSI), or another certification organization that CID has approved in writing.

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14.9.2.11               CHAPTER 3 GENERAL REQUIREMENTS:  See this chapter of the UMC except as provided below.

                A.            304.2 Access to equipment and appliances on roofs.  304.2.1  Access from inside.  See this section of the UMC except after the words “in height” add the following: except those designated as R-3 occupancies.

                B.            305.0 Automatic control devices.  See this section of the UMC and 14.7.6 NMAC.

                C.            314.0 Heating and cooling air system.  See this section of the UMC except as follows:  314.3  Prohibited source.  See this section of the UMC except delete the text of location (5) and replace with the following:  a closet, bathroom, laundry room, toilet room or kitchen; and add the following to the end of section:  (7) where it will pick up objectionable odors, fumes, or flammable vapors.

                D.            317.1 Balancing.  Delete this section of the UMC.

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14.9.2.12               CHAPTER 4 VENTILATION SUPPLY:  See this chapter of the UMC.

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14.9.2.13               CHAPTER 5 EXHAUST SYSTEMS:  See this chapter of the UMC except as provided below.  511.3  Replacement air.  See this section of the UMC except add the following:  windows and doors shall not be used for the purpose of providing replacement air.  The exhaust and replacement air systems shall be connected by an electrical interlocking switch. When using equipment that is not listed for make-up air, a device to sense continued air movement within the replacement air plenum shall be installed initiating a complete system shut-down if air-flow is interrupted.

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14.9.2.14               CHAPTER 6 DUCT SYSTEMS:  See this chapter of the UMC except as follows.

                A.            603.2 Metal Ducts.  See this section of the UMC and add the following to the last sentence of the second paragraph, “and be installed so as to support the weight of the concrete during encasement.”

                B.            608.0 Automatic shutoffs:  See this section of the UMC and add the following to the exception: (6) automatic shutoffs are not required on evaporative coolers that derive all of their air from outside the building.

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14.9.2.15               CHAPTER 7 COMBUSTION AIR:  See this chapter of the UMC.

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14.9.2.16               CHAPTER 8 CHIMNEYS AND VENTS:  See this chapter of the UMC except as follows: 803.1.11 Chimneys and vents.  See this section of the UMC except delete the following language:  “Where vents extend outdoors above the roof more than 5 feet (1524mm) higher than required by Table 509.6.2, and where vents terminate in accordance with Section 509.6.2(1), the outdoor portion of the vent shall be enclosed as required by this section for vents not considered to be exposed to the outdoors or such venting shall be engineered.”

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14.9.2.17               CHAPTER 9 INSTALLATION OF SPECIFIC EQUIPMENT:  See this chapter of the UMC except as provided below.

                A.            907.2 Installation.  See this section of the UMC except add the following: Installation of gas logs in solid fuel burning fireplaces.  Approved gas logs may be installed in solid fuel burning fireplaces, provided.

                                (1)           The gas log is installed in accordance with the manufacturer’s installation instructions.

                                (2)           If the fireplace is equipped with a damper, it shall be permanently blocked open by welding or cutting a hole of sufficient size to prevent spillage of combustion products into the room.  On eight (8) inch and smaller flues, the damper shall be removed.

                                (3)           The minimum flue passageway shall not be less than 1 square inch per 2000 Btu-h input.

                                (4)           Gas logs shall be equipped with a pilot and listed safely shutoff valve.

                                (5)           The use of flexible gas connections shall not be permitted within a firebox, unless it is part of the listed gas log assembly.

                                (6)           Factory built fireplaces shall be approved for installation of gas logs and be provided with a means of installing the gas piping.

                                (7)           All gas outlets located in a barbecue or fireplace shall be controlled by an approved separate valve located in the same room and outside the hearth, but not less than six (6) feet from such outlets.

                B.            928.2 Location.  See this section of the UMC except add the following to the end: unlisted wall furnaces shall be installed with clearances to combustible material of not less than eighteen (18) inches (460 mm).

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14.9.2.18               CHAPTER 10 STEAM AND HOT WATER BOILERS:  See this chapter of the UMC.

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14.9.2.19               CHAPTER 11 REFRIGERATION:  See this chapter of the UMC.

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14.9.2.20               CHAPTER 12 HYDRONICS:  See this chapter of the UMC except as provided below.

                A.            1201.3.9.2 Pressure test.  See this section of the UMC except delete the first sentence and substitute:  piping shall be tested with a hydrostatic pressure or an air test of not less than 1.5 times operating pressure.

                B.            1201.4 PEX tubing.  See this section of the UMC except add the following:  tubing shall be manufactured with an approved oxygen diffusion barrier.

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14.9.2.21               CHAPTER 13 FUEL PIPING:  See this chapter of the UMC except as provided below.

                A.            1308.5.2.3 Copper and brass  Copper and brass pipe shall not be used. Aluminum alloy pipe shall not be used with gases corrosive to such material.

                B.            1311.10.2 Emergency shutoff valves.  See this section of the UMC except delete the following:  the emergency shutoff valves shall be plainly marked as such and their locations posted as required by the authority having jurisdiction.  See this section of the UMC except add the following to the end:  For purposes of isolation and safety, an additional gas shut off shall be installed downstream of the serving supplier gas meter prior to any distribution of gas into the gas piping system

                C.            1311.14 Electrical bonding and grounding.  Delete this section of the UMC and see 14.10.4 NMAC.

                D.            1315.0 Liquefied petroleum gas facilities and piping.  Delete this section of the UPC and substitute the following: Liquefied petroleum gas facilities shall comply with 19.15.40 NMAC, liquefied petroleum gas standards, and 70-5-1 to -23 NMSA 1978, liquefied and compressed gasses.

                E.            1316.9 Test pressure.  See this section of the UMC except add the following:  Exception:  An existing gas piping system may be tested at a test pressure equal to one and one-half times them operating pressure of the system, but in no case shall it be tested at less than 3 psi.

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14.9.2.22               CHAPTER 14 PROCESS PIPING:  See this chapter of the UMC.

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14.9.2.23               CHAPTER 15 SOLAR SYSTEMS:  See this chapter of the UMC.

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14.9.2.24               CHAPTER 16 STATIONARY POWER PLANTS:  See this chapter of the UMC.

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14.9.2.25               [RESERVED]

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14.9.2.26               [RESERVED]

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14.9.2.27               CHAPTER 17 STANDARDS:  See this chapter of the UMC.

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14.9.2.28               APPENDICIES:  See this section of the UMC except delete appendix A and appendix B.

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HISTORY OF 14.9.2 NMAC:

Pre-NMAC History:  The material in this part was derived from that previously filed with state records center and archives under:

CIC MB 68-2, 1964 New Mexico Plumbing Code, filed 1-23-68.

CIC MB 70-8, 1970 Plumbing Code of New Mexico, filed 4-29-70.

CIC MB 71-4, 1970 Plumbing Code of New Mexico, filed 6-8-71.

CIC MB 74-9, 1973 Uniform Plumbing Code, filed 11-20-74.

CIC 76-1, 1976 Uniform Plumbing Code, filed 5-4-76.

CIC MB 80-5, 1979 Uniform Plumbing Code, filed 4-24-80.

MB-UPC-82-1, 1982 Uniform Plumbing Code, filed 11-4-82.

MB-UPC-85-1, 1985 Uniform Plumbing Code, filed 10-1-85.

MB-UPC-88-1, 1988 Uniform Plumbing Code, filed 12-15-88.

MB-UPC-91-1, 1991 Uniform Plumbing Code, filed 7-28-92.

CIC MB 68-3, 1966 New Mexico Gas Code, filed 1-23-68.

CIC MB 70-7, 1970 Natural Gas Code of New Mexico, filed 4-29-70.

CIC MB 71-3, 1970 Natural Gas Code of New Mexico, filed 6-8-71.

CIC-74-8, 1973 Uniform Mechanical Code, filed 11-20-74.

CIC 76-4, 1976 Uniform Mechanical Code, filed 11-24-76.

CID MB 80-3, 1979 Uniform Mechanical Code, filed 4-23-80.

MB-UMC-82-1, 1982 Uniform Mechanical Code, filed 11-4-82.

MB-UMC-85-1, 1985 Uniform Mechanical Code, filed 10-1-85.

MB-UMC-88-1, 1988 Uniform Mechanical Code, filed 12-15-88.

MB-UMC-91-1, 1991 Uniform Mechanical Code, filed 7-28-92.

CIC 77-3, 1976 New Mexico Uniform Solar Energy Code, 2-26-77.

CID MB-80-6, 1979 Uniform Solar Energy Code, 4-24-80.

MB-USEC-82-1, 1982 Uniform Solar Energy Code, filed 11-4-82.

MB-USEC-85-1, 1985 Uniform Solar Energy Code, 12-23-85.

MB-USEC-88-1, 1988 Uniform Solar Energy Code, 12-15-88.

MB-USEC-91-1, 1991 Uniform Solar Energy Code, 7-28-92.

CIC-75-1, 1973 Uniform Swimming Pool Code, Section 1.7, 10-31-75.

CIC-76-3, 1976 Uniform Swimming Pool Code, 7-27-76.

CIC MB 80-4, 1979 Uniform Swimming Pool Code, filed 4-23-80.

MB-USPC-82-1, 1982 Uniform Swimming Pool Code, 11-4-82.

MB-USPS and HTC-85-1, 1985 Uniform Swimming Pool, Spa and Hot Tub Code, 12-23-85.

MB-USPS and HTC-88-1; 1988 Uniform Swimming Pool, Spa and Hot Tub Code, 12-15-88.

MB-USPS and HTC-91-1, 1991 Uniform Swimming Pool, Spa and Hot Tub Code, 7-28-92.

CID-MB-NMP&M 91-1, 1991 New Mexico Plumbing and Mechanical Code, 7-7-92.

 

History of Repealed Material:  14 NMAC 9.2, 1997 New Mexico Plumbing and Mechanical Code (filed 10-30-98), repealed 7-1-04.

14.9.2 NMAC, 2003 New Mexico Mechanical Code (filed 5-27-04), repealed 1-7-04.

14.9.2 NMAC, 2006 New Mexico Mechanical Code (filed 08-16-07), repealed 1-28-11.

14.9.2 NMAC, 2006 New Mexico Mechanical Code (filed 12-28-10), repealed 8-1-11

14.9.2 NMAC, 2009 New Mexico Mechanical Code (filed 06-15-11), repealed 6-28-13.

14.9.2 NMAC, 2009 New Mexico Mechanical Code (filed 05-29-13), repealed 5-01-15.

 

Other History:

CID-MB-NMP&M 91-1, 1991 New Mexico Plumbing and Mechanical Code, (filed 7-7-92), replaced by 14 NMAC 9.2, 1997 New Mexico Plumbing and Mechanical Code, effective 12-31-98.

14 NMAC 9.2, 1997 New Mexico Plumbing and Mechanical Code (filed 10-30-98) (that applicable portion) replaced by 14.9.2 NMAC, 2003 New Mexico Mechanical Code, effective 7-1-04.

14.9.2 NMAC, 2003 New Mexico Mechanical Code (filed 5-27-04) replaced by 14.9.2 NMAC, 2006 New Mexico Mechanical Code, effective 1-1-08.

14.9.2 NMAC, 2006 New Mexico Mechanical Code (filed 08-16-07) replaced by 14.9.2 NMAC, 2009 New Mexico Mechanical Code, effective 1-28-11.

14.9.2 NMAC, 2009 New Mexico Mechanical Code (filed 12-28-10) replaced by 14.9.2 NMAC, 2009 New Mexico Mechanical Code, effective 8-1-11.

14.9.2 NMAC, 2009 New Mexico Mechanical Code (filed 06-15-11) replaced by 14.9.2 NMAC, 2009 New Mexico Mechanical Code, effective 6-28-13.

14.9.2 NMAC, 2009 New Mexico Mechanical Code (filed 05-29-13) replaced by 14.9.2 NMAC, 2012 New Mexico Mechanical Code, effective 05-01-15.