49 CFR §195.254
- (a)Any component may be installed above ground in the following situations, if the other applicable requirements of this part are complied with:
- (1)Overhead crossings of highways, railroads, or a body of water.
- (2)Spans over ditches and gullies.
- (3)Scraper traps or block valves.
- (4)Areas under the direct control of the operator.
- (5)In any area inaccessible to the public.
- (b)Each component covered by this section must be protected from the forces exerted by the anticipated loads.