Wis. Admin. Code Department of Transportation § Trans 29.13 - Attaching utility facilities to railroad bridges
(1) GENERAL. A
utility may attach a utility facility to a steel or concrete railroad bridge
where to do so does not adversely affect the structural adequacy of the bridge,
the safe operation of the railroad, the efficiency of railroad maintenance or
the aesthetic appearance of the bridge. If it is feasible at reasonable cost to
locate a utility facility elsewhere, a utility shall not attach its facilities
to a railroad bridge. Utility facilities may not be attached to wood
trestles.
(2) BRIDGE ATTACHMENT.
(a) A utility facility may be placed beneath
a steel bridge floor inside the outer girders or beams or alternatively may be
placed within a cell at an elevation above the lowest superstructure.
(b) Electric power facilities or
communication line facilities shall be satisfactorily insulated, grounded and
carried in protective conduit or pipe on the bridge structure. The carrier
conduit or pipe shall be suitably insulated from electric power line
facilities.
(c) Pipelines attached
to a bridge may not exceed the maximum allowable operating pressure of the
pipe. No pipeline conveying flammable materials may be attached to a steel
bridge structure.
(d) A utility
shall employ methods of suspending the utility facility, of allowing for
expansion and contraction and of going through or around bridge abutments that
are acceptable to the department.
Notes
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