V. Amend by omitting Exceptions 3., 4., 5., 6., 7., and 8. of Section N1101.3 (R101.4.3) Additions, alterations, renovations or repairs., of the IRC.
W. Amend by omitting Section N1101.8 (R103.2) Information on construction documents. of the IRC.
X. Amend by omitting Section N1101.15 (R401.2) Compliance., of the IRC, and amend by adding in lieu thereof a new Section N1101.15 (R401.2) Compliance., which reads:
N1101.15 (R401.2) Compliance. Projects shall comply with Sections identified as mandatory and with either sections identified as “prescriptive”, the HERS Index rating option, or the performance approach in Section N1105. The permit applicant of record must elect which compliance path will be followed at the time permit application is made.
The HERS Index rating option can be met by hiring a HERS rater and constructing a residence that scores 100 or less on the HERS Index. Two years from the effective date of the adopting ordinance, the minimum compliant HERS Index score will be 85. A Preliminary HERS Certificate with 'Draft' watermark or a copy of a REM/Rate compliance report with 'Draft' watermark must be submitted with building permit plans. The “Draft” HERS certificate or report shall identify the project address, and include the HERS raters name and contact information.
All HERS ratings shall be performed by a rater accredited by the Residential Energy Services Network (RESNET). The HERS rater is required to perform a blower door test, duct blaster test, pre-drywall inspection and final inspection as part of the standard HERS Index rating process. The final HERS Index score must be posted on the Certificate required by Section N1101.16 (R401.3).The final HERS Certificate which indicates that the dwelling unit achieved a compliant HERS Index score must be submitted to the city before issuance of a Certificate of Occupancy. The final HERS certificate shall identify the project address, and include the HERS raters name and contact information.
Y. Amend by omitting Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT of the IRC, and amend by adding in lieu thereof a new Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT, which reads:
Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa
N118.104.22.168 (R402.4.1.2) Testing. The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 Pascals). Where required by the Building Official, testing shall be conducted by an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the Building Official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.
1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended weather stripping or other infiltration control measures:
2. Dampers including exhaust, intake, makeup, air, backdraft and flue dampers shall be closed, but not sealed beyond intended infiltration control measures;
3. Interior doors, if installed at the time of the test, shall be open;
4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed;
5. Heating and cooling systems, if installed at the time of the test shall be turned off; and
6, Supply and return registers, if installed at the time of the test, shall be fully open.