67 Pa. Code § 171.23. Frame.

§ 171.23. Frame.

(a)  General. The frame or equivalent of every school bus shall be of such design and strength characteristics as to correspond at least to standard practice for trucks of the same general load characteristics which are used for highway service.
(b)  Side rails. There may be no holes in the top or bottom flanges of the frame side rail except as provided in the original chassis frame.
(c)  Length. Frame lengths shall be in accordance with SBMI Design Objectives Booklet. See Appendix A.
(d)  Modification. A frame modification may not be for the purpose of extending the wheelbase. A secondary manufacturer, person or entity that modifies the original frame shall comply with §  171.3 (relating to modification) and 49 CFR 568.8 (relating to requirements for persons who alter certified vehicles).

Authority

   The provisions of this §  171.23 amended under the Vehicle Code, 75 Pa.C.S. § §  4103, 4551—4553 and 6103.

Source

   The provisions of this §  171.23 adopted August 4, 1978, effective July 1, 1979, 8 Pa.B. 2194; amended August 19, 1983, effective August 20, 1983, 13 Pa.B. 2561; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5052; amended September 13, 1996, effective September 14, 1996, 26 Pa.B. 4411. Immediately preceding text appears at serial page (122783).

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