N.M. Code R. § 14.7.9.12 – Chapter 4 [Ce] Commercial Energy Efficiency

See this Chapter of the IECC except as provided below.

A. Section C401 General. See this section of the IECC except as provided below. Section C401.3 Thermal envelope certificate. Delete this section of the IECC.
B. Section C402 Building envelope requirements. See this section of the IECC except as provided below. Section C402.4.2.1 Lighting controls in toplit daylight zones. Delete this section of the IECC without substitution.
C. Section 403 Building mechanical systems. See this section of the IECC except as provided below. Section C403.7.1 Demand control ventilation. See this section of the IECC except delete “Table 403.3.1.1 of the International mechanical code” and replace with “Table 402.1 of the uniform mechanical code” wherever referenced in this section.
D. Section 405 Electrical power and lighting systems. See this section of the IECC except as provided below.
1. (1) Section C405.2.4.3 Toplit zone. Delete this section of the IECC.
2. (2) Section C405.6 Dwelling electrical meter. Delete this section of the IECC and substitute with the following: Each dwelling unit located in an apartment house, live/work unit, or vacation time share property with an R-2 occupancy shall have a separate electrical meter.
3. (3) Section C405.10 Voltage drop. Delete this section of the IECC.
4. (4) Section C405.13 Electric vehicle power transfer infrastructure. Add this section to
  1. (a) Section C405.13.1 Quantity. Add this section to the IECC. The number of required EV spaces and EV capable spaces shall be determined in accordance with this section and Table C405.13.1 based on the total number of automobile parking spaces and shall be rounded up to the nearest whole number. For R-2 buildings, the table requirements shall be based on the total number of dwelling units or the total number of automobile parking spaces, whichever is less.
    1. (i) Where more than one parking facility is provided on a building site, the number of required automobile parking spaces required to have EV power transfer infrastructure shall be calculated separately for each parking facility.
    2. (ii) Where one shared parking facility serves multiple building occupancies, the required number of spaces shall be determined proportionally based on the floor area of each building occupancy.
    3. (iii) Installed EVSE spaces that exceed the minimum requirements of this section may be used to meet minimum requirements for EV capable spaces.
    4. (iv) Requirements for a Group S-2 parking garage shall be determined by the occupancies served by that parking garage. Where new automobile spaces do not serve specific occupancies, the values for Group S-2 parking garage in Table C405.13.1 shall be used.
      Exception: Parking facilities, serving occupancies other than R-2 with fewer than 10 automobile parking spaces.
  2. (b) Table C405.13.1 Required EV Power Transfer Infrastructure. Add this table to the IECC.
    TABLE C405.13.1 REQUIRED EV POWER TRANSFER INFRASTRUCTURE
    Occupancy EVSE Spaces *EV Capable Spaces Group A 5% 10% Group B 5% 5% Group E 5% 5% Group F 2% 5% Group H 1% 0% Group I 5% 10% Group M 5% 10% Group R-1 5% 15% Group R-2 5% 15% Group R-3 and R-4 2% 5% Group S exclusive of Parking Garages 1% 0% Group S-2 Parking Garages 5% 10%
    Occupancy
    EVSE Spaces
    *EV Capable Spaces
    Group A
    5%
    10%
    Group B
    5%
    5%
    Group E
    5%
    5%
    Group F
    2%
    5%
    Group H
    1%
    0%
    Group I
    5%
    10%
    Group M
    5%
    10%
    Group R-1
    5%
    15%
    Group R-2
    5%
    15%
    Group R-3 and R-4
    2%
    5%
    Group S exclusive of Parking Garages
    1%
    0%
    Group S-2 Parking Garages
    5%
    10%
    *EV Capable Spaces are in addition to the required EVSE Spaces.
  3. (c) Section C405.13.2 EV Capable Spaces. Add this section to the IECC. Each EV capable space used to meet the requirements of section C405.13.1 shall comply with the following:
    1. (i) A continuous raceway or cable assembly shall be installed between an enclosure or outlet located within 6 feet (914 mm) of the first EV capable space it serves and electrical distribution equipment.
    2. (ii) EV capable space raceway or cable assembly may be installed to a point at an island or median in the parking lot to provide future EV spaces without being required to provide each space with an EV capable space.
    3. (iii) Installed raceway or cable assembly shall be sized and rated to supply a minimum circuit capacity in accordance with Section C405.13.5.
    4. (iv) The electrical distribution equipment to which the raceway or cable assembly connects shall have dedicated overcurrent protection device space and electrical capacity to supply a calculated load in accordance with Section C405.13.5.
    5. (v) The enclosure or outlet and the electrical distribution equipment directory shall be marked: "For electric vehicle supply equipment (EVSE)".
    6. (vi) Accessible parking shall be in accordance with section 1107 of the IBC.
  4. (d) Section C405.13.3 EVSE Spaces. Add this section to the IECC. An installed EVSE with multiple output connections shall be permitted to serve multiple EVSE spaces. Each EVSE installed to meet the requirements of section C405.13.1, serving either a single EVSE space or multiple EVSE spaces, shall comply with the following:
    1. (i) Have a minimum system and circuit capacity in accordance with section C405.13.5.
    2. (ii) Have a nameplate rating of not less than 6.2kW.
    3. (iii) Be located within 6 feet (914 mm) of each EVSE space it serves.
    4. (iv) Be installed in accordance with Section C405.13.6.
    5. (v) The EVSE space shall be in a location that will not obstruct a public walkway when the EVSE is being utilized by a user.
    6. (vi) Accessible parking shall be in accordance with section 1107 of the IBC.
  5. (e) Section C405.13.4 System and circuit capacity. Add this section to the IECC. The system and circuit capacity shall comply with C405.14.5.1 and C405.14.5.2.
  6. (f) Section C405.13.4.1 System capacity. Add this section to the IECC. The electrical distribution equipment supplying the branch circuit(s) serving each EV capable space and EVSE space shall comply with one of the following:
    1. (i) Have a calculated load of 7.2 kVA or the nameplate rating of the equipment, whichever is larger, for each EV capable space and EVSE space.
    2. (ii) Meets the requirements of section C405.13.5.3.1.
  7. (g) Section C405.13.4.2 Circuit Capacity. Add this section to the IECC. The branch circuit serving each EV capable space and EVSE space shall comply with one of the following:
    1. (i) Have a rated capacity of not less than 50 amperes or the nameplate rating of the equipment, whichever is greater.
    2. (ii) Meets the requirements of section C405.13.5.3.2.
  8. (h) Section C405.14.4.3 System and circuit capacity management. Add this
    section to the IECC. Where system and circuit capacity management are selected in section C405.13.5.1(2) or section C405.13.5.2(2), the installation shall comply with sections C405.13.4.3.1 and C405.13.4.3.2.
  9. (i) Section C405.13.4.3.1 System capacity management. Add this section to
    the IECC. The maximum equipment load on the electrical distribution equipment supplying the branch circuits(s) serving EV capable spaces and EVSE spaces controlled by an energy management system shall be the maximum load permitted by the energy management system, but not less than 3.3 kVA per space.
  10. (j) Section C405.13.4.3.2 Circuit Capacity Management. Add this section to
    1. (i) Have a minimum capacity of 25 amperes per space.
    2. (ii) Have a minimum capacity of 20 amperes per space for R-2 occupancy type.
    the IECC. Each branch circuit serving multiple EVSE spaces or EV capable spaces controlled by an energy management system shall comply with one of the following:
  11. (k) C405.13.5 EVSE Installation. EVSE shall be installed in accordance with NFPA 70 and shall be listed and labeled in accordance with UL 2202 or UL 2594.
  the IECC. Parking facilities shall be provided with electric vehicle power transfer infrastructure in accordance with design requirements and Sections C405.13.1 through C405.13.6.
D. Section C408 Maintenance Information and System Commissioning. See this section of the IECC except as provided below.
1. (1) Section C408.2 Mechanical systems and service water-heating systems
  1. (a) Mechanical systems and service water heater systems in buildings where the total mechanical equipment capacity is less than 480,000 Btu/h (140.7 kW) cooling capacity and 600,000 Btu/h (175.8 kW) combined service water-heating and space-heating capacity.
  commissioning and completion requirements. Delete this section of the IECC and substitute with the following: Prior to the final mechanical and plumbing inspections, the registered design professional or approved agency, shall provide evidence of mechanical systems commissioning and completion in accordance with the provisions of this section. Construction document notes shall clearly indicate provisions for commissioning requirements in accordance with this section and are permitted to refer to specifications for further requirements. Copies of all documentation shall be given to the building owner or owners authorized agent.
  Exceptions: The following systems are exempt:
(b) Systems included in Section C403.5 that serve individual dwelling units and sleeping units.
1. (2) Section C408.2.4 Preliminary commissioning report. See this section of the IECC.
2. (3) Figure C408.2.4 Commissioning compliance checklist. Delete this figure from the IECC and substitute with the following figure:
  FIGURE C408.2.4
  COMMISSIONING COMPLIANCE CHECKLIST
  Project Information: ________________________________ Project Name:__________________________
  Project Address: _________________________________________________________________________
  Commissioning Authority: __________________________________________________________________
  Commissioning Plan (Section C408.2.1)
  q Commissioning Plan was used during construction and includes all items required by Section C408.2.1
  q Systems Adjusting and Balancing shall be completed per plans and specifications.
  q HVAC Equipment Functional Testing shall be completed per plans and specifications.
  q HVAC Controls Functional Testing shall be completed per plans and specifications.
  q Economizer Functional Testing shall be completed per plans and specifications.
  q Lighting Controls Functional Testing shall be completed per plans and specifications.
  q Service Water Heating System Functional Testing shall be completed per plans and specifications.
  q Manual, record documents and training shall be completed per plans and specifications.
  q Preliminary Commissioning Report shall be submitted to the owner and includes all items required by Section C408.2.4.
  q The above-referenced items are scheduled to be provided on:
  I, the commissioning provider, do hereby certify that I am providing the owner or owner’s representative with documentation as to the mechanical, service water heating and lighting systems commissioning in accordance with the 2021 IECC.
  _____________________________________________ ____________________
  Signature of Commissioning Provider Date
  ____________________________________________ ____________________
  Signature of Building Owner/Owner’s Representative Date
  _____________________________________________________________________________
3. (4) Section C408.2.4.1 Acceptance of report. Delete section without substitution.
4. (5) Section C408.2.4.2 Copy of report. Delete section without substitution.
5. (6) Section C408.2.5 Documentation requirements. Delete this section of the IECC and substitute with the following: The construction documents shall specify that the documents described in this section be provided to the building owner or owner’s authorized agent.
6. (7) Section C408.3 Functional testing of lighting controls. See this section of the IECC except as provided below. Section C408.3.2 Documentation Requirements. Delete this section of the IECC and substitute with the following: The construction documents shall specify that the documents described in this section be provided to the building owner or owner’s authorized agent.

[14.7.6.12 NMAC – Rp, 14.7.9.12 NMAC, 01/30/2024]