30 CFR §250.760

1. (a)For snubbing operations, you must follow the applicable requirements of this subpart and have the following minimum BOP-system components:
   1. (1)One set of pipe rams hydraulically operated,
   2. (2)Two sets of stripper-type pipe rams hydraulically operated with spacer spool,
   3. (3)An inside BOP or a spring-loaded, back-pressure safety valve in the open position located on the rig floor, and
   4. (4)An essentially full-opening, work-string safety valve in the open position must be maintained on the rig floor at all times and a wrench to fit the work-string safety valve must be readily available.
   5. (5)Proper connections must be readily available for inserting valves in the work string.
2. (b)Test the snubbing unit in accordance with § 250.737(a), (b), and (c).