045-6 Wyo. Code R. §§ 6-5 - Attachment to Existing Bridges or Structures
(a)
General.
(i) Attachment of utility facilities
to the bridge deck surface, to the top of curbs and sidewalks, or to traffic or
pedestrian railings will not be allowed. Open wire electrical or telephone line
attachments are not allowed.
(ii)
Welding of utility attachments to main steel girders or direct attachment to
main load carrying girders will not be allowed.
(iii) Requests for attachment of utility
lines to bridges shall be forwarded by the District Maintenance Engineer to the
State Bridge Engineer for review and recommendation regarding the method of
attachment.
(iv) Prior to
requesting attachment to bridges over railroad tracks from the Department, the
applicant shall furnish written approval of a permit from the railroad
company.
(b) Volatile
and Corrosive Material. The attachment to a bridge or other structure of
utility lines carrying flammable, corrosive, and/or explosive material may be
permitted if the following criteria are met:
(i) Maximum line size shall be four inches of
inside diameter.
(ii) The maximum
line pressure shall be 60 psig, which shall be verified in the presence of
Department personnel.
(iii) Each
line shall be properly encased and vented.
(iv) Each line shall have a shutoff valve,
that activates automatically when a sudden pressure drop occurs, located within
300 feet of each end of the structure.
Notes
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