Whenever, after inspection as provided in N.H. Rev. Stat. § 277:13, the commissioner shall be of the opinion that compliance with the standards, under the special conditions obtaining in any place of employment, necessitates the use of any safeguard, or the doing of any other act for which the standards adopted by him do not provide, he shall have power, by special order, to require the adoption in that place of employment of such particular safeguards, safety devices, appliances, lighting facilities, or other means as may be reasonable and practicable for the safety and health of the employees.