ADOPTS WITH AMENDMENTS:

International Residential Code 2015 (IRC 2015)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

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

Appendix AA Stretch Energy Code

AMENDMENT
This section has been amended at the state or city level.

AA101 Purpose and Adoption

AMENDMENT
This section has been amended at the state or city level.
The purpose of the stretch energy code is to provide a more energy efficient code alternative for new buildings. The stretch energy code may be adopted or rescinded by any municipality in the commonwealth in the manner prescribed by law.

AA102 Applicability

AMENDMENT
This section has been amended at the state or city level.
Municipalities that have adopted the stretch energy code shall use the energy efficiency requirements of this appendix as provided in AA103 and AA104. These requirements replace all previous stretch energy code requirements.
UpCodes note: This section was previously added as:

"Municipalities that have adopted the stretch energy code shall use the energy efficiency requirements of this appendix as provided below. These requirements replace all previous stretch energy code requirements."

The concurrency period between the new and old code will be from February 7, 2020 to August 7, 2020.

AA103 New Buildings

AMENDMENT
This section has been amended at the state or city level.

AA103.1 R-Use Buildings

AMENDMENT
This section has been amended at the state or city level.
In all R-use buildings, of four stories or less above grade plane with one or more dwelling units, each dwelling unit shall comply with IECC 2018 section R406 of 780 CMR 51.00 and all mandatory requirements of 780 CMR 13.00: Energy Efficiency and 51.00, as applicable.

UpCodes note: This section was previously added as:

"In all R-use buildings, of four stories or less above grade plane with one or more dwelling units, each dwelling unit shall comply with section N1106 (R406) of 780 CMR 51.00: Massachusetts Residential Code."

The concurrency period between the new and old code will be from February 7, 2020 to August 7, 2020.

AA103.2 Large Area and High Energy Use Buildings

AMENDMENT
This section has been amended at the state or city level.
All buildings over 100,000 ft2, and new supermarkets, laboratories and conditioned warehouses over 40,000 ft2 shall comply with 780 CMR 13.00 Energy Efficiency and shall demonstrate energy use per ft2 at least 10% below the energy requirements of ANSI/ASHRAE/IESNA 90.1 APPENDIX G Performance Rating Method on either a site or source energy basis. The additional efficiency package options selected in accordance with C406.1 shall be included in calculating the baseline building performance value.

Exception: Exclusively R-use buildings complying with AA103.1 dwelling unit requirements.

AA103.3 Other New Buildings

AMENDMENT
This section has been amended at the state or city level.
New buildings not covered in AA103.1 and AA103.2 shall comply with 780 CMR 13.00: Energy Efficiency or Chapter 11 of 780 CMR 51.00 as applicable based on the use and occupancy of the building.

AA104 Existing Buildings

AMENDMENT
This section has been amended at the state or city level.
For alterations, renovations, additions or repairs of existing buildings in these municipalities the energy efficiency requirements of 780 CMR 13.00: Energy Efficiency or Chapter 11 of 780 CMR 51.00 shall be used as applicable based on the use and occupancy of the building.
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