@Dave NYC Hudson PRR K4 posted:Thank you. I knew that locomotives had firing days but didn't know that was about 15 years. I do remember being told at Strasbourg that a firing day is considered whenever the locomotive not burning. I think the person had said as long as the locomotive is burning, or being stoked that is still whatever day it was fired. #90 was sitting in the shop with some smoke coming from the stack, but appeared to be unmanned. Guess it was burning out.
Dave,
The FRA considers a "service day" (or firing day if you will) as any time within a 24 hour period that there is pressure above atmosphere in the boiler AND their is a fire in the firebox. The reason that the rule/law is written that way is to allow for hydrostatic boiler testing (pressure above atmosphere), but no fire in the firebox, thus NOT adding a "service day".
