Section 675IAC13-2.6-8. Chapter 7; fire and smoke protection features

   Chapter 7 is amended as follows: (a) Amend Section 701.2 to add an exception as follows:  Exception: Elevator doors in corridors are not required to be smoke and draft control assemblies in accordance with Section 716.5.3.1.

  (b) Amend Section 703.4, Automatic sprinklers, by deleting the last sentence without substitution. Exception: An approved alternative method.

  (c) Amend Section 703.7, Marking and identification, by deleting the text and inserting to read as follows:

Fire walls and vertical fire barriers shall be effectively and permanently identified with signs or stenciling. Such identification shall:

1. Be located in accessible concealed floor, floor-ceiling, and attic spaces;

2. Be located within 15 feet (4,572 mm) of the end of each wall and at intervals not exceeding 30 feet (9144 mm) measured horizontally along the wall or partition; and

3. Include lettering not less than 3 inches (76 mm) in height with a minimum 3/8 inch (9.5 mm) stroke in a contrasting color incorporating the suggested wording, "FIRE WALL or FIRE BARRIER – PROTECT ALL OPENINGS" or similar wording.

Exception: Walls in Group R-2 occupancies that do not have a removable decorative ceiling allowing access to the concealed space.

  (d) Amend Section 705.5, Fire-resistance ratings, by deleting "10 feet (3048 mm)" in both places and inserting "5 feet (1524 mm)".

  (e) Amend Section 705.7, Unexposed surface temperature, in "equation 7-1", by deleting "t" after "A" and inserting "f".

  (f) Amend Section 706.2, Structural stability, by adding an exception to read as follows: Exception: Buildings on each side equipped throughout with an approved automatic sprinkler system in accordance with Section 903.3.1.1.

  (g) Amend Section 707.5.1, Supporting construction, by adding the following exceptions:

5. For shafts of 4 stories or less, containing sheet metal ductwork and noncombustible piping, the supporting floor is permitted to be of non-rated construction.

6. In buildings of 4 stories or less, fire barrier walls supported by floor construction that is otherwise not required to be rated where the wall is supported by at least 2.5 inches of lightweight concrete, or 2.7 inches of sand-lightweight concrete.

  (h) Amend Section 707.6, Openings as follows:

(a) Delete "1022.3" and insert "1022.4".

(b) In the exception, item 5, delete "1022.2.1" and insert "1022.3.1".

  (i) Amend Section 709.4, Continuity, in the exception, item 2, delete "3007.4.2" and insert "3007.7.2". Delete "3008.11.2" and insert "3008.7.2".

  (j) Delete Section 711.9, Smoke barrier, without substitution.

  (k) Amend Section 714.5, Penetrations in smoke barriers, by deleting the text and inserting to read as follows: Penetrations in smoke barriers shall be protected by an approved through penetration firestop system installed and tested in accordance with the requirements of UL 1479.

  (l) Amend Section 716.2, Fire-resistance-rated glazing, by deleting "703.5" and inserting "703.6".

  (m) Delete Section 717.5.1.1, Horizontal exits, without substitution.

  (n) Amend Section 717.5.2, Fire barriers as follows:

(a) Delete "1002.4" and insert "1022.5".

(b) In Exception 3, insert in the last sentence after "terminals" ", except that flexible air connectors not exceeding five foot in length are permitted, provided no outlet or inlet terminals are provided for a distance on each side of the wall(s) equal to at least four duct-equivalent diameters".

  (o) Delete Section 717.5.2.1, Horizontal exits, without substitution.

  (p) Amend Section 717.5.3, Shaft enclosures, as follows:

(1) In the third line, delete "and smoke".

(2) Delete exceptions 2, 3, and 4.

(3) Renumber exception 5 to read exception 2 and delete, "and combination fire/smoke dampers".

  (q) Amend Section 717.5.4, Fire partitions, Exception 4, by adding in the last sentence after "terminals" ", except that flexible air connectors not exceeding five foot in length are permitted, provided no outlet or inlet terminals are provided for a distance on each side of the wall(s) equal to at least four duct-equivalent diameters".

  (r) Amend Section 717.5.5, Smoke barriers, by deleting the text of the exception and inserting to read as follows: Smoke dampers shall not be required in duct penetrations of smoke barriers in fully ducted heating, ventilating, and air conditioning systems in smoke compartments protected throughout with quick response sprinklers.

  (s) Amend Section 718.2.4, Stairways, by deleting the text and inserting to read as follows: Fire blocking shall be provided in concealed spaces between stair stringers at the top and bottom of the run and between studs along and in line with the run of stairs, if the walls under the stairs are unfinished, and shall comply with the requirements of Section 1009.9.3.

  (t) Amend Section 722.3.4, Concrete masonry lintels, by deleting "by approved alternate methods" and inserting "as approved by the building official".

  (u) Amend Section 722.3.5, Concrete masonry columns, by deleting "by approved alternate methods" and inserting "as approved by the building official". (Fire Prevention and Building Safety Commission; 675 IAC 13-2.6-8; filed Aug 1, 2014, 11:12 a.m.: 20140827-IR-675130339FRA, eff Dec 1, 2014)