.1 The heater shall be so designed and installed
that all tubes may easily and readily be inspected for signs of corrosion
and leakage.
.2 Visual inspection and tightness testing of
the heater tubes to not less than the working pressure shall be carried
out annually, and hydraulic testing shall be carried out bi-annually.
.3 The heater shall be fitted with temperature
sensor(s) and an alarm for fire detection.
.4 A fixed fire extinguishing and cooling system
shall be fitted. A drenching system providing copious amounts of water
may be accepted. The exhaust ducting below the exhaust boiler shall
be arranged for adequate collection and drainage, to prevent water
flowing into the diesel engine. The drain shall be led to a suitable
location.