Each locomotive and vertical-type boiler must have a blowoff pipe in direct connection with the lowest water space practicable. The pipe must be fitted with a stop valve and run full size without reducers or bushings.
S.D. Admin. R. 61:08:09:20
General Authority: SDCL 34-29A-14.1.
Law Implemented: SDCL 34-29A-14.1.