Chapter 14.80
INTERNATIONAL ENERGY CONSERVATION CODE

Sections:

14.80.010    International Energy Conservation Code – Adopted.

14.80.020    International Energy Conservation Code – On file in clerk’s office.

14.80.030    Code official designated.

14.80.040    Amendments – Generally.

14.80.050    Amendments to Chapter 1.

14.80.060    Amendments to Chapter 2.

14.80.070    Amendments to Chapter 3.

14.80.080    Amendments to Chapter 4.

14.80.090    Amendments to Chapter 5.

14.80.010 International Energy Conservation Code – Adopted.

The International Energy Conservation Code (IECC), 2009 Edition, as published by the International Code Council and amended by this chapter, is hereby adopted as the energy conservation code of the city of Topeka for the purpose of regulating and governing energy efficient building envelopes and installation of energy efficient mechanical, lighting and power systems. The IECC shall apply only to residential buildings as defined in TMC 14.80.060. (Ord. 19697 § 2, 2-7-12.)

14.80.020 International Energy Conservation Code – On file in clerk’s office.

At least one copy of the International Energy Conservation Code, as amended, shall be on file with the city clerk to be available for inspection by the public at all reasonable business hours. (Ord. 19697 § 3, 2-7-12.)

    Cross References: City clerk, TMC 2.25.110.

14.80.030 Code official designated.

Whenever the term “code official” is used in the IECC, it shall be construed to mean the development services director or designee. (Ord. 19697 § 4, 2-7-12.)

14.80.040 Amendments – Generally.

The amendments to the International Energy Conservation Code adopted herein shall be set out in this chapter. All references to section and chapter numbers shall be construed as if followed by the words “of the International Energy Conservation Code,” unless clearly indicated otherwise. (Ord. 19697 § 5, 2-7-12.)

14.80.050 Amendments to Chapter 1.

(a) 101.2, Scope, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

This code applies to residential buildings as defined in TMC 14.80.060.

(b) 101.4.4, Change in occupancy or use, is hereby deleted in its entirety.

(c) 101.4.6, Mixed occupancy, is hereby deleted in its entirety.

(d) 101.5, Compliance, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Residential buildings shall meet the provisions of Chapter 4.

(e) 101.5.2, Low energy buildings, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

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.

3. Accessory structures that do not contain habitable space.

(f) 102.1.1, Above code programs, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The code official or other authority having jurisdiction shall be permitted to deem a national, state or local energy efficiency program to exceed the energy efficiency required by this code. Buildings approved in writing by such an energy efficiency program shall be considered in compliance with this code.

(g) 103.1, General, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The submittal of construction documents and plans is not required, and a separate permit shall not be issued with regard to the construction practices and techniques utilized in buildings that fall within the scope of this code. Construction or work for which a building permit is required shall be subject to the provisions of this code.

Exception: The code official is authorized to and may require the submittal of any necessary construction documents and other supporting data for specific projects where special or unusual conditions exist. The code official may also require that the necessary construction documents be prepared by a registered design professional.

(h) 103.3, Examination of documents, including subsections 103.3.1, 103.3.2 and 103.3.3, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The code official shall examine or cause to be examined the accompanying construction documents and shall ascertain whether the construction indicated and described is in accordance with the requirements of this code and other pertinent laws or ordinances. The code official shall either approve the documents or note any items or specifications that do not comply, and notify the responsible party with results of the review.

(i) 103.4, Amended construction documents, is hereby deleted in its entirety.

(j) 103.5, Retention of construction documents, is hereby deleted in its entirety.

(k) 104.1, General, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Construction or work regulated by this code shall be subject to inspection by the code official.

(l) 104.8, Approval, including subsection 104.8.1, is hereby deleted in its entirety.

(m) 106.1, General, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The codes and standards referenced in this code shall be those listed in Chapter 6, and such codes and standards may be considered as part of the requirements of this code to the prescribed extent of each such reference.

(n) Section 107, Fees, is hereby deleted in its entirety.

(o) 108.4, Failure to comply, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

It shall be unlawful for any person to continue to work after having been served with a stop work order, except such work as that person is directed to perform to remedy a violation or unsafe condition. Failure to abide by this provision may result in penalties prescribed in TMC 1.10.070.

(p) Section 109, Board of appeals, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Any appeal from a decision of the code official may be appealed to the board of building and fire appeals pursuant to TMC 2.40.010.

(Ord. 19697 § 6, 2-7-12.)

14.80.060 Amendments to Chapter 2.

Section 202, General definitions, “Residential Building” definition is hereby deleted and the following provisions shall be substituted therefor:

Buildings referenced within the scope of the currently adopted International Residential Code for One- and Two-Family Dwellings.

(Ord. 19697 § 7, 2-7-12.)

14.80.070 Amendments to Chapter 3.

(a) Section 301.1, General, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Climate Zone 4A (Shawnee County), from Figure 301.1 or Table 301.1, shall be used in determining the applicable requirements in Chapter 4.

(b) Section 302, Design conditions, is hereby deleted in its entirety.

(c) 303.2, Installation, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

All materials, systems and equipment shall be installed in accordance with the manufacturer’s installation instructions and the currently adopted version of the International Residential Code.

(d) 303.3, Maintenance information, is hereby deleted in its entirety. (Ord. 19697 § 8, 2-7-12.)

14.80.080 Amendments to Chapter 4.

(a) 402.2.5, Steel-frame ceilings, walls and floors—Exception, is hereby deleted in its entirety.

(b) 402.2.7, Basement walls, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Conditioned spaces in finished basement areas shall be insulated from the top of the basement wall down to 10 feet (3,048 mm) below grade or to the basement floor, whichever is less.

(c) 402.2.8, Slab-on-grade floors, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Slab-on-grade floors with a floor surface less than 12 inches (305 mm) below grade shall be insulated in accordance with Table 402.1.1. The insulation shall extend downward from the top of the slab on the outside or inside of the foundation wall. Insulation located below grade shall be extended the distance provided in Table 402.1.1 by any combination of vertical insulation, insulation extending under the slab or insulation extending out from the building. Insulation extending away from the building shall be protected by pavement or by a minimum of 10 inches (254 mm) of soil. The top edge of the insulation installed between the exterior wall and the edge of the interior slab shall be permitted to be cut at a 45-degree (0.79 rad) angle away from the exterior wall. Slab-edge insulation is not required in jurisdictions designated by the code official as having a heavy termite infestation.

(d) 402.2.9, Crawl space walls, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

As an alternative to insulating floors over crawl spaces, crawl space walls shall be permitted to be insulated when the crawl space is not vented to the outside. Crawl space wall insulation shall be permanently fastened to the wall and extend downward from the floor to within 9 inches of the finished interior grade adjacent to the foundation wall. A 3-inch inspection gap immediately below the floor joists shall be provided to permit inspections for termites. Exposed earth in unvented crawl space foundations shall be covered with a continuous Class I vapor retarder in accordance with the International Residential Code. All joints of the vapor retarder shall overlap by 6 inches and be sealed or taped. The edges of the vapor retarder shall extend at least 6 inches up the stem wall and shall be attached to the stem wall.

(e) 402.3.2, Glazed fenestration SHGC, is hereby deleted in its entirety.

(f) 402.3.3, Glazed fenestration exemption, is hereby deleted in its entirety.

(g) 402.3.5, Thermally isolated sunroom U-factor, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The maximum fenestration U-factor shall be 0.50 and the maximum skylight U-factor shall be 0.75. New windows and doors separating the sunroom from conditioned space shall meet the building thermal envelope requirements.

(h) 402.3.6, Replacement fenestration, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement fenestration unit shall meet the applicable requirements for U-factor in Table 402.1.1.

(i) 402.4.3, Fireplaces, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

New wood-burning factory-built fireplaces shall have gasketed doors and outdoor combustion air. New wood-burning masonry fireplaces shall have outdoor combustion air. Ducts for combustion air supply shall be installed according to the terms of their listing, the manufacturer’s instructions, and the currently adopted edition of the Uniform Mechanical Code.

(j) 402.5, Maximum fenestration U-factor and SHGC (Mandatory), is hereby deleted in its entirety and the following provisions shall be substituted therefor:

The area-weighted average maximum fenestration U-factor permitted using trade-offs from Section 402.1.4 or 405 shall be 0.48 for vertical fenestration and 0.75 for skylights.

(k) 403.1.2, Heat pump supplementary heat (Mandatory), is hereby deleted in its entirety.

(l) 403.2.1, Insulation (Prescriptive), is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Supply ducts in attics shall be insulated to a minimum of R-8. All other ducts shall be insulated to a minimum of R-6.

Exception: Ducts or portions thereof located completely inside a conditioned space.

(m) 403.2.2, Sealing (Mandatory), is hereby deleted in its entirety and the following provisions shall be substituted therefor:

All ducts, air handlers, filter boxes and building cavities used as ducts shall be sealed when not located in conditioned space. Joints and seams shall comply with the currently adopted version of the Uniform Mechanical Code. Duct tightness shall be verified by visual inspection or either of the following:

1. Postconstruction test: Leakage to outdoors shall be less than or equal to 8 cfm (226.5 L/min) per 100 ft2 (9.29 m2) of conditioned floor area or a total leakage less than or equal to 12 cfm (12 L/min) per 100 ft2 (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pa) across the entire system, including the manufacturer’s air handler enclosure. All register boots shall be taped or otherwise sealed during the test.

2. Rough-in test: Total leakage shall be less than or equal to 6 cfm (169.9 L/min) per 100 ft2 (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pa) across the roughed in system, including the manufacturer’s air handler enclosure. All register boots shall be taped or otherwise sealed during the test. If the air handler is not installed at the time of the test, total leakage shall be less than or equal to 4 cfm (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area.

Exceptions: Duct tightness test is not required if the air handler and all ducts are located within conditioned space.

(n) 403.3, Mechanical system piping insulation (Mandatory), is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Mechanical system piping capable of carrying fluids above 105° F (41° C) or below 55° F (13° C) shall be insulated to a minimum of R-3.

Exception: Refrigerant liquid lines.

(o) 403.4, Circulating hot water systems (Mandatory), is hereby deleted and the following provisions shall be substituted therefor:

All circulating service hot water piping shall be insulated to at least R-2 when located outside of conditioned space. Circulating hot water systems shall include an automatic or readily accessible manual switch that can turn off the hot water circulating pump when the system is not in use.

(p) 403.6, Equipment sizing (Mandatory), is hereby deleted in its entirety and the following provisions shall be substituted therefor:

Heating and cooling equipment shall be sized in accordance with the currently adopted version of the Uniform Mechanical Code.

(q) 403.7, Systems serving multiple dwelling units (Mandatory), is hereby deleted in its entirety. (Ord. 19697 § 9, 2-7-12.)

14.80.090 Amendments to Chapter 5.

Chapter 5, Commercial Energy Efficiency, is hereby deleted in its entirety. (Ord. 19697 § 10, 2-7-12.)

Division 2. Post-Construction Activities

(Recodified by Ord. 19496)

    Cross References: Utilities, TMC Title 13.