Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 52 Pa.B. 3204 (May 28, 2022).

34 Pa. Code § 15.15. Loading.

§ 15.15. Loading.

 (a)  Seats and foot rests of grandstands shall be designed to support, in addition to their own weight, a uniformly distributed live load of 120 pounds per linear foot of seatboard and footrest. Other parts of grandstands shall be designed to support, in addition to their own weight, a uniformly distributed live and impact load according to the back to back distance between seats as follows:

Back to Back of Seats
(in inches)
Pounds per Square Foot
22130
23125
24120
25115
26110
27105
More than 27100

 (b)  Grandstands shall be designed to resist, when occupied, a horizontal swaying force applied to the seats, in a direction parallel to the length of the seats of 24 pounds per linear foot of seats, and in a direction perpendicular to the length of the seats of ten pounds per linear foot of seats. On grandstands supporting chairs these loads shall be applied at a height of 17 inches above the foot rest.

 (c)  Grandstands able to be used outdoors shall be designed to resist a horizontal wind load on the vertical projection of the stand, applied in any direction, as follows:

   (1)  When fully loaded, 4 pounds per square foot.

   (2)  When unoccupied, if of open construction, 15 pounds per square foot.

   (3)  When unoccupied, if filled in solid vertically, 30 pounds per square foot.

   (4)  Vertical projection shall include railings.

 (d)  Members whose stresses are greater under a partial loading of the stand than under full load, shall be designed to meet the conditions causing the largest stresses.

 (e)  The design shall remain stable so as not to be overturned by wind or unequal distribution of the live load.

Source

   The provisions of this §  15.15 adopted August 15, 1933; amended through July 1, 1968.

Cross References

   This section cited 34 Pa. Code §  15.11 (relating to applicability).



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