Ch 221 Boilers Flashcards
What NSTM number is Boilers
NSTM 221
Propulsion
boiler design pressure must be at least
50 psig or 3%, whichever is greater, above the maximum operating
pressure.
All parts of the boiler shall be carefully examined whenever they are exposed for cleaning, maintenance, or overhauling; and their conditions as found upon these examinations shall
be described in the
boiler water chemistry worksheet/log and the engineering log.
Firesides shall be inspected
annually
Waterside. Periodic inspections are not required for ships on
chelant treatment
A certified Steam Generating Plant Inspector (SGPI) shall perform this inspection. This inspection shall
be documented in the
Boiler Inspection and Repair Management Information System (BIRMIS)