ADOPTS WITH AMENDMENTS:

International Energy Conservation Code 2009 (IECC 2009)

Heads up: There are no amended sections in this chapter.

Part 1 — Scope and Application

101.1 Title

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This code shall be known as the North Carolina Energy Conservation Code as adopted by the North Carolina Building Code Council on December 14, 2010, to be effective January 1, 2012. References to the International Codes shall mean the North Carolina Codes. The NCECC is referred to herein as "this code."

101.2 Scope

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This code applies to residential and commercial buildings.

Exception: Per G.S. 143-138 (b18), no energy conservation code provisions shall apply to any structure for which the primary occupancy classification is Group F, S, or U pursuant to Chapter 3 of the 2012 North Carolina Building Code. This exclusion shall apply to the entire building area.
This code shall regulate the design and construction of buildings for the effective use of energy. This code is intended to provide flexibility to permit the use of innovative approaches and techniques to achieve the effective use of energy. This code is not intended to abridge safety, health or environmental requirements contained in other applicable codes or ordinances.
Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive shall govern. Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall govern.
Except as specified in this chapter, this code shall not be used to require the removal, alteration or abandonment of, nor prevent the continued use and maintenance of, an existing building or building system lawfully in existence at the time of adoption of this code.
Any building or structure that is listed in the State or National Register of Historic Places; designated as a historic property under local or state designation law or survey; certified as a contributing resource with a National Register listed or locally designated historic district; or with an opinion or certification that the property is eligible to be listed on the National or State Registers of Historic Places either individually or as a contributing building to a historic district by the State Historic Preservation Officer or the Keeper of the National Register of Historic Places, are exempt from this code.

101.4.3 Additions, Alterations, Renovations or Repairs

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Additions, alterations, renovations or repairs to an existing building, building system or portion thereof shall conform to the provisions of this code as they relate to new construction without requiring the unaltered portion(s) of the existing building or building system to comply with this code. Additions, alterations, renovations or repairs shall not create an unsafe or hazardous condition or overload existing building systems. An addition shall be deemed to comply with this code if the addition alone complies or if the existing building and addition comply with this code as a single building.

Exceptions:
  1. The following need not comply provided the energy use of the building is not increased:
    1. Storm windows installed over existing fenestration.
    2. Incidental repairs requiring a new sash or new glazing.
    3. Existing ceiling, wall or floor cavities exposed during construction provided that these cavities are filled with insulation.
    4. Construction where the existing roof, wall or floor cavity is not exposed.
    5. Reroofing for roofs where neither the sheathing nor the insulation is exposed. Roofs without insulation in the cavity and where the sheathing or insulation is exposed during reroofing shall be insulated either above or below the sheathing.
    6. Replacement of existing doors that separate conditioned space from the exterior shall not require the installation of a vestibule or revolving door, provided, however, that an existing vestibule that separates a conditioned space from the exterior shall not be removed,
    7. Alterations that replace less than 50 percent of the luminaires in a space, provided that such alterations do not increase the installed interior lighting power.
    8. Alterations that replace only the bulb and ballast within the existing luminaires in a space provided that the alteration does not increase the installed interior lighting power.
  2. Converting unconditioned attic space to conditioned attic space for one and two-family dwellings and townhouses. Ceilings shall be insulated to a minimum of R-30, walls shall be insulated to the exterior wall requirements in Tables 402.1.1 and 402.1.3 and follow backing requirements in Section 402.2.12.
Spaces undergoing a change in occupancy that would result in an increase in demand for either fossil fuel or electrical energy shall comply with this code. Where the use in a space changes from one use in Table 505.5.2 to another use in Table 505.5.2, the installed lighting wattage shall comply with Section 505.5.

101.4.5 Change in Space Conditioning

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Any nonconditioned space that is altered to become conditioned space shall be required to be brought into full compliance with this code.

Exception: See Section 101.4.3, exception 2.
Where a building includes both residential and commercial occupancies, each occupancy shall be separately considered and meet the applicable provisions of Chapter 4 for residential and Chapter 5 for commercial.
Residential buildings shall meet the provisions of Chapter 4. Commercial buildings shall meet the provisions of Chapter 5.
The code official shall be permitted to approve specific computer software, work- sheets, compliance manuals and other similar materials that meet the intent of this code.

The following buildings, or portions thereof, separated from the remainder of the building by building thermal envelope assemblies complying with this code shall be exempt from the building thermal envelope provisions of this code:

  1. Those with a peak design rate of energy usage less than 3.4 Btu/h•ft2 (10.7 W/m2) or 1.0 watt/ft2 (10.7 W/m2) of floor area for space conditioning purposes.
  2. Those that do not contain conditioned space.
This code is not intended to prevent the use of any material, method of construction, design or insulating system not specifically prescribed herein, provided that such construction, design or insulating system has been approved by the code official as meeting the intent of this code.

102.1.1 Above Code Programs

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Part 2 — Administration

103.1 General

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Construction documents and other supporting data shall be submitted in one or more sets with each application for a permit. The construction documents shall be prepared by a registered design professional where required by the statutes of the jurisdiction in which the project is to be constructed.

Exception:
  1. The code official is authorized to waive the requirements for construction documents or other supporting data if the code official determines they are not necessary to confirm compliance with this code.
  2. Construction documents for energy code compliance are not required for one and two-family dwellings and townhouses.

103.2 Information on Construction Documents

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Construction documents shall be drawn to scale upon suitable material. Electronic media documents are permitted to be submitted when approved by the code official. Construction documents shall be of sufficient clarity to indicate the location, nature and extent of the work proposed, and show in sufficient detail pertinent data and features of the building, systems and equipment as herein governed. Details shall include, as applicable, insulation materials and their R-values; fenestration U-factors and SHGCs; area-weighted U-factor and SHGC calculations; mechanical system design criteria; mechanical and service water heating system and equipment types, sizes and efficiencies; economizer description; equipment and systems controls; fan motor horsepower (hp) and controls; duct sealing, duct and pipe insulation and location; lighting fixture schedule with wattage and control narrative; and air sealing details.

103.3 Examination of Documents

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103.3.1 Approval of Construction Documents

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103.3.2 Previous Approvals

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103.3.3 Phased Approval

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103.3 Examination of Documents

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This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

103.4 Amended Construction Documents

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103.4 Amended Construction Documents

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This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

103.5 Retention of Construction Documents

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103.5 Retention of Construction Documents

AMENDMENT
This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

Section 104 Inspections

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104.1 General

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104.2 Required Approvals

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104.3 Final Inspection

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104.4 Reinspection

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104.5 Approved Inspection Agencies

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104.6 Inspection Requests

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104.7 Reinspection and Testing

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104.8 Approval

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104.8.1 Revocation

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Section 104 Inspections

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This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

105.1 General

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The codes and standards referenced in this code shall be those listed in Chapter 6, and such codes and standards shall be considered as part of the requirements of this code to the prescribed extent of each such reference.
Where the provisions of this code and the referenced standards conflict, the provisions of this code shall take precedence.
References to chapter or section numbers, or to provisions not specifically identified by number, shall be construed to refer to such chapter, section or provision of this code.
The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law.

Section 107 Fees

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107.1 Fees

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107.2 Schedule of Permit Fees

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107.3 Work Commencing Before Permit Issuance

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107.4 Related Fees

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107.5 Refunds

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Section 107 Fees

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This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

Section 108 Stop Work Order

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108.1 Authority

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108.2 Issuance

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108.3 Emergencies

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108.4 Failure to Comply

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Section 108 Stop Work Order

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This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.

Section 109 Board of Appeals

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109.1 General

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109.2 Limitations on Authority

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109.3 Qualifications

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Section 109 Board of Appeals

AMENDMENT
This section has been amended at the state or city level.
See the North Carolina Administrative Code and Policies.
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