34 Pa. Code § 47.233 - Pipe railings
(a)
Top
rails. Pipe railings shall be not less than 1 1/4 inches inside
diameter if of iron and not less than 1 1/2 inches outside diameter if of brass
tubing. Reference should be made to Plate 1 of the Appendix.
(b)
Midrails. The middle
railing shall be of a diameter not less than the minimum requirement for the
top railing.
(c)
Posts.
The posts or uprights for pipe railings shall be of a diameter not
less than the minimum requirement for the top railing. Specially formed metal
or cast posts other than pipe are acceptable if they are equal in strength to a
pipe post of the above diameter. Reference should be made to Plate 5 of the
Appendix. Posts which are an integral part of the under or over structure are
acceptable if they meet the spacing and strength requirements specified in this
section.
(d)
Sockets.
Removable pipe railings having the posts supported by sockets are
acceptable if the sockets are of a depth not less than 1/3 of the height of the
railing and if all sockets are lined with pipe of a diameter large enough to
permit ease of insertion and withdrawal of the posts without permitting
sidesway. Reference should be made to Plate 1-B of the Appendix. When pipe
posts are supported by U-bolts fastened in the structural frame, the length of
post so supported shall be equal to 1/3 of the height of the railing.
(e)
Special fastenings.
Metal posts or uprights of other types used in connection with pipe railings
shall be secured to the floor or structural frame in such manner as to achieve
a rigidity equal to the requirements of existing and new post fastenings.
Reference should be made to Plate 5-B of the Appendix.
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