Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

• No statutes or acts will be found at this website.

The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 52 Pa.B. 6342 (October 1, 2022).

34 Pa. Code § 57.11. Story height.

CONSTRUCTION TYPE—MAXIMUM STORY HEIGHT


§ 57.11. Story height.

 (a)  C-4 occupancies shall be governed by the story height and construction type limitations as follows:

   (1)  Fireresistive construction modified.

     (i)   This shall be limited to three stories in height with a maximum of 3,000 square feet per story between exterior walls or 2-hour fire walls. Exit corridors and stair towers shall not be included in the 3,000 square feet.

     (ii)   All general provisions for fireresistive construction shall apply except that:

       (A)   Roof framing and sheathing may be of wood; however, the roofing material shall be Class A, B, or C.

       (B)   Floor construction shall be of incombustible material with a 1-hour fire rating.

   (2)  Noncombustible construction modified.

     (i)   This shall be limited to two stories in height with a maximum of 3,000 square feet per story between exterior walls or 2-hour fire walls. Exit corridors and stair towers shall not be included in the 3,000 square feet.

     (ii)   Construction shall be 1-hour rated construction in which bearing walls, columns, beams, other supporting members, ceiling/roof assemblies, floor/ceiling assemblies, stairways, and other openings through floors are of 1-hour rated construction.

     (iii)   Roof framing and sheathing may be of wood; however, the roofing material shall be Class A, B, or C.

   (3)  Ordinary construction modified.

     (i)   This shall be limited to two stories in height with 3,000 square feet per story between exterior walls or 2-hour fire walls. Exit corridors and stair towers shall not be included in the 3,000 square feet.

     (ii)   Construction shall be 1-hour rated construction in which bearing walls, columns, beams, other supporting members, ceiling/roof assemblies, floor/ceiling assemblies, stairways, and other openings through floors are of 1-hour rated construction.

     (iii)   Roofing shall be Class A, B, or C.

   (4)  Wood frame construction modified.

     (i)   This shall be limited to two stories in height with a maximum of 2,000 square feet per story between exterior walls or 2-hour fire walls. Exit corridors and stair towers shall not be included in the 2,000 square feet.

     (ii)   Construction shall be 1-hour rated construction in which bearing walls, columns, beams, other supporting members, ceiling/roof assemblies, floor/ceiling assemblies, stairways, and other openings through floors are of 1-hour construction.

     (iii)   The roofing material shall be Class A, B, or C.

 (b)  Apartment units shall be separated from each other and all other portions of the building by a minimum of 1-hour rated construction.



No part of the information on this site may be reproduced for profit or sold for profit.


This material has been drawn directly from the official Pennsylvania Code full text database. Due to the limitations of HTML or differences in display capabilities of different browsers, this version may differ slightly from the official printed version.