ORDINANCE NO. 8168
AN ORDINANCE OF THE CITY OF LAWRENCE, KANSAS REPEALING THE EXISTING ARTICLE 8 OF CHAPTER V OF THE CITY CODE AND ADOPTING THE INTERNATIONAL ENERGY CONSERVATION CODE, 2006 EDITION, AND EXCEPTING, AMENDING AND MODIFYING CERTAIN OF ITS PROVISIONS.
BE IT ORDAINED BY THE GOVERNING BODY OF THE CITY OF LAWRENCE, KANSAS:
Section 1. Article 8 of Chapter V of the Code of the City of Lawrence, Kansas, 2006 Edition and amendments thereto, is hereby repealed.
Section 2. Article 8 of Chapter V of the Code of the City of Lawrence, Kansas, 2006 Edition and amendments thereto, is enacted to read as follows, the intent being to replace current provisions:
ARTICLE 8. Energy Code
5-801 ENERGY CONSERVATION CODE INCORPORATED.
The International Energy Conservation Code, 2006 Edition, published by the International Code Council, is hereby adopted by reference as if it were fully set out in this article, except for those portions that are hereinafter deleted, modified or amended.
5-802 SAME.
Not less than one (1) copy of the International Energy Conservation Code 2006 Edition, marked or stamped in the manner provided by K.S.A. 12-3010, with all sections or portions thereof intended to be omitted clearly marked and showing portions that are amended and to which shall be attached a copy of amendments, shall be filed with the City Clerk and shall be open to inspection and available to the public at reasonable business hours. Official copies of such Code shall be supplied at the cost of the City to the officials and agencies in the manner listed and set forth in K.S.A.12-3010. Subsequent references to the "International Energy Code" shall mean the "International Energy Conservation Code, 2006 Edition” as adopted herein.
5-803 SEVERABILITY
If any section, clause, sentence, or phrase of this ordinance is found to be unconstitutional or is otherwise held invalid by any court of competent jurisdiction, it shall not affect the validity of any remaining parts of this ordinance.
5-804 Amendments Made to the INTERNATIONAL ENERGY Code, 2006 Edition
The International Energy Conservation Code, 2006 Edition is amended or changed as follows. The amendment of any section shall not serve to amend or repeal any other discretely numbered provision of the code, whether or not such provision is considered a section or subsection, unless that section or subsection is specifically referenced in the ordinance.
5-804.1 Section 401.2 of the International Energy Code and its referenced subsections are hereby amended to read as follows:
401.2 Compliance. Projects shall comply with Sections 401, 402.4, 402.5, 402.6 and 403 (referred to as the mandatory provisions) and either:
(A) Sections 402.1 through 402.3 (prescriptive); or
(B) Section 404 (performance).
(C) Where compliance is obtained using the Home Energy Rating system the energy rating shall be performed in accordance with the Mortgage Industry National Home Rating Systems Accreditation Standard by a rater certified and listed by the Residential Energy Services Network (RESNET). Approval from the Building Official to utilize the Home Energy Rating as a means of demonstrating compliance with this chapter shall be obtained prior to the issuance of a the building permit. A Home Energy Rating Systems score of 80 or higher shall be deemed to be in compliance with this chapter.
5-805 Section 402.1.1 of the International Energy Code is hereby amended to read as follows:
402.1.1 Insulation and fenestration criteria. The building thermal envelope shall meet the requirements of Table 402.1.1 based on the climate zone specified in Chapter 3.
TABLE 402.1.1
INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT
|
CLIMATE ZONE |
FENESTRATION U-FACTOR |
SKYLIGHTb U-FACTOR |
GLAZED FENSTRATION SHGC |
CEILING R-VALUE |
WOOD FRAMED WALL |
MASS WALL R-VALUES |
FLOOR R-VALUE |
BASEMENT WALL R-VALUE |
SLAB R-VALUE AND DEPTHh |
CRAWL SPACE WALL R-VALUEh |
|
1 |
1.2 |
0.75 |
0.40 |
30 |
13 |
3 |
13 |
0 |
0 |
0 |
|
2 |
0.75 |
0.75 |
0.40 |
30 |
13 |
4 |
13 |
0 |
0 |
0 |
|
3 |
0.65 |
0.65 |
0.40e |
30 |
13 |
5 |
19 |
0 |
0 |
0 |
|
4 except Marine |
0.40 |
0.60 |
NR |
30 |
13 |
5 |
19 |
10/13 |
10, 2 ft |
10/13 |
|
5 and Marine 4 |
0.35 |
0.60 |
NR |
30 |
19 or 13+5g |
13 |
30 |
10/13 |
10, 2 ft |
10/13 |
|
6 |
0.35 |
0.60 |
NR |
30 |
19 or 13+5g |
15 |
30 |
10/13 |
10, 4 ft |
10/13 |
|
7 and 8 |
0.35 |
0.60 |
NR |
30 |
21 |
19 |
30 |
10/13 |
10, 4 ft |
10/13 |
(A) R-values are minimums. U-factors and SHGC are maximums. R-19 insulation shall be permitted to be compressed into a 2X6 cavity.
(B) The fenestration U-factor column excludes skylights. The solar heat gain coefficient HGC) column applies to all glazed fenestration.
(C) The first R-value applies to continuous insulation, the second to framing cavity insulation; either insulation meets the requirement.
(D) R-5 shall be added to the required slab edge R-values for heated slabs.
(E) There are no solar heat gain coefficient (SHGC) requirements in the Marine Zone.
(F) Or insulation sufficient to fill the framing cavity, R-19 minimum.
(G) “13+5” means R-13 cavity insulation plus R-5 insulated sheathing. If structural sheathing covers 25% or less of the exterior, R-5 sheathing is not required where structural sheathing is used if structural sheathing covers more than 25% of exterior, structural sheathing shall be supplemented with insulated sheathing of at least R-2.
(H) Slab edge insulation may be eliminated for slab on grade floors when the building’s heating system’s efficiency rating is 90% or better.
5-806 Section 403.2.1 of the International Energy Code is amended to read as follows:
403.2.1 Insulation. Supply and return ducts shall be insulated to a minimum of R-8. Ducts in floor trusses shall be insulated to a minimum of R-6.
Exceptions:
(A) Ducts or portions thereof located completely inside the building thermal envelope.
(B) Ducts in the attic spaces covered more than 50% by blown in insulation may be R-6.
Section 3. This ordinance shall be in full force and take effect on January 1, 2008, and after its publication as provided by law.
Passed by the Governing Body this ____ day of _____________, 2007.
Sue Hack, Mayor
ATTEST:
Frank S. Reeb, City Clerk
Approved as to form and legality:
Toni Ramirez Wheeler, Director of Legal Services