149.403—How may I request the use of alternate or supplemental firefighting and fire prevention equipment or procedures?
(a)
The operator may request the use of alternate or supplemental equipment or procedures than those required in this subchapter.
(b)
Upon request, the OCMI may allow the use of alternate equipment or procedures if the alternatives will:
(2)
Submit engineering calculations, tests, or other data to demonstrate how the requested alternative would comply with paragraph (b) of this section.
(d)
The OCMI may determine, on a case-by-case basis, that the Commandant (G-PSE) must approve the use of the alternate equipment or procedure.