16-642 C.M.R. ch. 5, § 5 - REVISIONS TO THE IRC

The following additions, insertions, deletions, and other changes are hereby made to the 2021 International Residential Code:

1. Generally all sections

Reference to "P2904" or "NFPA 13D" means; "A Sprinkler System in compliance with Fire Codes and Standards adopted pursuant to Title 25, sections2452 and 2465"

2. Generally all sections

Delete "International Fire Code"; and

Insert "Fire codes and standards adopted pursuant to Title 25, M.R.S §§ 2452 and 2465 as applicable" in its place.

3. Generally all sections

Delete "International Fuel Gas Code"; and

Insert "NFPA 54 National Fuel Gas Code; Fire codes and standards adopted pursuant to Title 25 M.R.S §§ 2452 and 2465; and the Maine Fuel Board Rules and codes and standards adopted pursuant to Title 32 Chapter 139" in its place.

4. Generally all sections

Delete "International Plumbing Code"; and

Insert "State of Maine Plumbing Code adopted pursuant to Title 32, M.R.S § 3403-B as applicable" in its place.

5. Generally all sections

Delete "International Property Maintenance Code" without substitution.

6. Generally all sections

Delete "International Private Sewerage Disposal Code"; and

Insert "State of Maine Subsurface Wastewater Disposal Rules adopted pursuant to Title 42, M.R.S § 42 (3, 3-A, 3-B) as applicable" in its place.

7. Section R101.1

Delete [NAME OF JURISDICTION]; and

Insert "State of Maine" in its place.

8. Section R101.2

Delete entire Exception and Subcategories; and

Insert "Exception: The following shall be permitted to be constructed in accordance with this code:

1. Live/Work unit provided the portion used exclusively for nonresidential use shall be limited to less than 10 percent of the area of the dwelling unit.

2. Detached one- and two-family dwellings or townhouses accommodating no more than 3 outsiders in rented rooms provided the rooms do not contain separate cooking facilities.

3. A "Day-Care Home" as defined by "Fire Codes and Standards adopted pursuant to Title 25, M.R.S §§ 2452 and 2465" in its place.

9. Section R103

Delete Section R103 "Department of Building Safety" in its entirety, without substitution.

10. Section R104.8

Delete all language in Section R104.8 Liability.; and

Insert " Title 14 M.R.S. Chapter 741" in its place.

11. Section R105.1

Insert "where required by municipal ordinance." at the end of the paragraph.

12. Section R105.2

Insert "or as further exempted by municipal ordinance." at the end of the paragraph.

Delete language in "Building" category item #3; and

Insert "Retaining walls that are not over 4 feet (1219 mm) in height measured from finish grade to the top of the wall, unless supporting a surcharge." in its place.

Delete categories and associated subcategories "Electrical", "Gas", "Mechanical", and "Plumbing" in their entirety.

13. Section R105.3

Delete "department of building safety" in the first paragraph; and

Insert "municipality" in its place.

14. Section R105.3.1

Delete "within a reasonable time after filing"; and

Insert "in accordance with Title 30A M.R.S. §4103" in its place.

15. Section R108

Delete Section R108 "Fees" in its entirety, without substitution.

16. Section R112

Delete Section R112 "Board of Appeals" in its entirety, without substitution.

17. Section R113

Delete Section R113 "Violations" in its entirety, without substitution.

18. Section R301.2

Insert new Section "R301.2.5 "Radon Control": A Radon Control system constructed in compliance with ASTM E1465-08 Standard Practice for Radon Control Options for the Design and Construction of New Low-Rise Residential Buildings, shall be installed in new one- and two-family dwellings and townhouses."

19. Table R302.6

Delete all reference to "½-inch gypsum board or equivalent"; and

Insert "5/8-inch Type-X gypsum board or equivalent" in its place.

20. Section R310.2.1

Delete "Exception: The minimum net clear opening for grade-floor emergency escape and rescue openings shall be 5 square feet (0.465 m2)."

21. Section 310.4

Insert at end of sentence: "Area wells shall be maintained free and clear at all times."

22. Section R313.1.1

Delete all language after heading in R313.1.1; and

Insert "Automatic sprinkler systems for townhouses shall be designed and installed in compliance with Fire Codes and Standards adopted pursuant to Title 25, M.R.S §§ 2452 and 2465" in its place.

23. Section R313.2

Delete all language after heading in R313.2; and

Insert "An automatic sprinkler system is not required in one- and two-family dwellings, including additions or alterations to existing buildings that are not already provided with a sprinkler system." in its place.

24. Section R313.2.1

Delete all language after heading in R313.2.1; and

Insert "Automatic sprinkler systems shall be designed and installed in compliance with Fire Codes and Standards adopted pursuant to Title 25, M.R.S §§ 2452 and 2465" in its place.

25. Section R502.1.1

Insert after section:

"Exceptions:

1. Sawn lumber used in buildings and structures exempt from permit by R105.2

2. Sawn lumber used in free-standing non-habitable accessory structures with an area of 600 square feet (56 m2) or less, of light-frame construction, with an eave height of 10 feet (3048 mm) or less."

26. Section R602.1.1

Insert after section:

"Exceptions:

1. Sawn lumber used in buildings and structures exempt from permit by R105.2

2. Sawn lumber used in free-standing non-habitable accessory structures with an area of 600 square feet (56 m2) or less, of light-frame construction, with an eave height of 10 feet (3048 mm) or less."

27. Section R802.1.1

Insert after section:

"Exceptions:

1. Sawn lumber used in buildings and structures exempt from permit by R105.2

2. Sawn lumber used in free-standing non-habitable accessory structures with an area of 600 square feet (56 m2) or less, of light-frame construction, with an eave height of 10 feet (3048 mm) or less."

28. Section M1505.1

Insert (at the end of the sentence) ", the International Mechanical Code as applicable, ASHRAE 62.2-2019, or other approved means of ventilation."

29. Chapter 44

Insert (after "NFPA") "Where the edition of a listed standard conflicts with the edition of a standard adopted by the Maine Office of State Fire Marshal, the version adopted by the Maine Office of State Fire Marshal is applicable to the extent referenced by this code."

Notes

16-642 C.M.R. ch. 5, § 5