Code of Maine Rules
16 - DEPARTMENT OF PUBLIC SAFETY
642 - BUREAU OF BUILDING CODES AND STANDARDS
Chapter 3 - MAINE UNIFORM BUILDING AND ENERGY CODE - COMMERCIAL BUILDING CODE OF MAINE
Section 642-3-5 - REVISIONS TO THE IBC

1. Section 101.1

Delete [NAME OF JURISDICTION]; and

Insert "State of Maine" in its place.

2. Section 101.4.1

Delete "International Fuel Gas Code"; and

Insert "NFPA 54 National Fuel Gas Code: Fire safety codes and standards adopted pursuant to Title 25 M.R.S §§2452 and 2465 " in its place.

3. Section 101.4.2

Delete Section 101.4.2 "Mechanical" in its entirety, without substitution.

4. Section 101.4.3

Delete "International Plumbing Code"; and

Insert "Maine State Plumbing Code, adopted pursuant to Title 32, M.R.S § 3404- B" in its place.

Delete "International Private Sewage Disposal Codes"; and

Insert "Maine State Plumbing Code, adopted pursuant to Title 32, M.R.S § 3404- B" in its place.

5. Section 101.4.4

Delete Section 101.4.4 "Property maintenance" in its entirety, without substitution.

6. Section 101.4.5

Delete "International Fire Code"; and

Insert "NFPA #1; Fire codes and standards adopted pursuant to Title 25 M.R.S. §§2452 and 2465 " in its place.

7. Section 102.1

Insert "No provisions of the MUBEC shall be construed to prohibit the adoption or enforcement of an ordinance of any political subdivision that sets forth provisions for local enforcement of building codes. Such ordinances may include items such as, permits, permit fees, boards of appeals and violations."

8. Section 102.4.1

Delete Section 102.4.1

9. Section 102.4.2

Delete section 102.4.2

10. Section 102.6

Delete "International Property Maintenance Code or the International Fire Code"; and

Insert "NFPA #1; Fire Safety codes and standards adopted pursuant to Title 25 M.R.S §§2452 and 2465 " in its place.

11. Section 102.6.2

Delete "International Property Maintenance Code or the International Fire Code"; and

Insert "NFPA #1; Fire Safety codes and standards adopted pursuant to Title 25 M.R.S §§2452 and 2465 " in its place.

12. Section 103

Delete Section 103 "Department of Building Safety" in its entirety, without substitution.

13. Sections 104, 105, 106, 107, 108, 110, 111, 112, 115 and 116 and any amendments thereto shall only be applicable:

14. Section 104.8

Delete all language in Section 104.8; and

Insert "See 14 MRSA §8101 " in its place.

15. Section 105.1

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

16. Section 105.2

Insert "Structures exempt from permits shall be located in compliance with zoning and floodplain regulations" at the end of the paragraph.

17. Section 109

Delete Section 109 "Fees" in its entirety, without substitution.

18. Sections 113 and 114

Delete Section 113 "Board of Appeals" and Section 114 "Violations" in their entirety, without substitution.

19. Section 308.3.3

Delete All language in section 308.3.3; and

Insert "See NFPA 101 2015 edition chapter 16"

20. Section 308.6

Delete All language in section 308.6; and

Insert "See NFPA 101 2015 edition Chapter 16"

21. Section 308.6.1

Delete "A child day care facility that provides care for more than five but not more than 100 children 2 ½ years or less of age" and

Insert "A child day care facility that provides care for more than twelve but not more than 100 children 2 ½ years or less of age."

22. Section 308.5.2

Delete Section 308.5.2 and the exceptions thereto, in its entirety, without substitution.

23. Section 404.6

Delete all language in Section 404.6; and

Insert "See NFPA 101 8.6.7 (2015 edition)" in its place.

24. Section 419.5

Delete this section: "and an automatic sprinkler system in accordance with Section 903.2.8 "

25. Section 602.1.2

602.1.2 Alternative Provisions. As an alternative to the construction types defined in 602.2 through 602.5, buildings and structures erected or to be erected, altered or extended in height or area may be classified as construction type IV-A, IV-B or IV-C in accordance with Chapter 6 of the 2021 International Building Code. Buildings and structures classified as IV-A, IV-B or IV-C shall comply with all provisions of the 2021 International Building Code specific to mass timber and the construction type of the building or structure, as well as all other applicable provisions of this code, including provisions for buildings of Type IV construction.

26. Section 716.5.9.1.2

Insert a new Section 716.5.9.1.2 to read: "Every door assembly in a stair enclosure serving more than four (4) stories shall permit re-entry from the enclosure to the interior of the building. Exception: An automatic release that is actuated with the initiation of the building fire alarm or fire detection system shall be provided to unlock all stair enclosure door assemblies to allow re-entry."

27. Section 717.5.3

Delete "and smoke" in the first sentence.

28. Section 903.2.1.2

Delete "100" and Insert "300"

29. Section 903.2.8

Insert Exception: An automatic sprinkler system shall not be required in Group R-2 and R-3 occupancies if all of the following conditions are met:

30. Section 903.3.1

Insert"and any other adopted standard of the Office of the State Fire Marshal and in accordance with the sprinkler rules in the Office of The State Fire Marshal fire sprinkler technical policy"

31. Section 1004.1.2, Exception

Delete "Exception: Where approved by the building official, the actual number of occupants for whom each occupied space, floor or building is designed, although less than those determined by calculation, shall be permitted to be used in the determination of the design occupant load."

32. Section 1005.1

Insert (within the paragraph; after) The means of egress width shall not be less than required by this section. The total width of means of egress in inches (mm) shall not be less than the total occupant load served by the means of egress multiplied by 0.3 inches (7.61mm) per occupant for stairways.

Exception: Board and Care 0.4; Health Care - Sprinkled 0.3; Health Care Non-sprinkled 0.6.

Delete "and by 0.2 inches (5.08 mm) per occupant for other egress components"

Insert The total width of means of egress in inches (mm) shall not be less than the total occupant load served by the means of egress multiplied by 0.2 inches (5.08 mm) per occupant for other egress components.

Exception: Board and Care 0.2; Health Care Sprinkled 0.2; Health Care Non-Sprinkled 0.5.

33. Section 1010.1.9.9

Delete "E" from the Group reference in two (2) locations in the first paragraph.

34. Section 1017

Delete all language in Section 1017; and

Insert "See NFPA 101-2009 Table A7.6" in its place.

35. Section 1017, Table 1017.2

Insert "I-1" in the occupancy column as a new row; and

Insert "See NFPA 101-2009 Table A7.6"

36. Section 1017, Table 1017.2

Delete "E" from the occupancy column as one of the use groups; and

Insert a new row in the column titled "Single Use"; and

Insert "E" in the Single Use occupancy column; and

Insert "150" in the without sprinkler system (feet) column; and

Insert "200" in the sprinkling system (feet) column.

37. Section 1017, Table 1017.2

Delete "S-1 and S-2" from the occupancy column; and

Insert "S-1 and S-2" in the occupancy column as a new row; and

Insert "See NFPA 101-2009 Table A7.6"

38. Section 1030.5.1

Insert "the means of escape shall be continuously maintained free of all obstructions or impediments to full use in case of fire or other emergency"

39. Section 2801.1

[M] 2801.1 Scope. Mechanical appliances, equipment and systems shall be constructed, installed and maintained in accordance and

Delete "with the International Mechanical Code and the International Fuel Gas Code. Masonry chimneys, fireplaces and barbecues shall comply with the International Mechanical Code and Chapter 21 of this code." and

Insert "with ASHRAE 62.1 201 6 edition"