50-74-217. Other inspection requirements. The inspector must be satisfied that:

(1) the safety valves are of suitable relieving capacity ratings, sufficient in number and area, and properly arranged and properly adjusted so as not to allow a greater pressure in a boiler than the amount prescribed by the inspection certificate;

(2) there are a sufficient number of gauge cocks properly inserted to indicate the amount of water and suitable gauges that will correctly record the pressure of steam; and

(3) adequate and certain provisions for an ample supply of water to feed the boiler at all times and suitable means for blowing out are provided so as to thoroughly remove mud and sediment from all parts of the boiler when it is under pressure of steam.