NFPA 85 2011
Complete with a timesaving chapter on common requirements for all boilers, the 2011 NFPA 85 contains important provisions for boiler or combustion system designers, operators, and enforcers working with these systems. (Softbound, 235 pp., 2011)
Improve fire safety and system reliability with the 2011 NFPA 85: Boiler and Combustion Systems Hazards Code.
Updated for 2011, this comprehensive document applies to the full range of large boiler installations and pulverized fuel systems:
Large boilers, including atmospheric fluidized bed boilers with a minimum fuel input rating of 12.5 million Btu/hr (3.6 MW)
Pulverized fuel systems
Fired or unfired steam generators used to recover heat from combustion turbines
Major changes for 2011 include:
New definition and rules for a Combustion Turbine Purge Credit enabling designers and operators to establish and maintain a “purged” condition for heat recovery steam generators between restarts
Streamlined requirements for continuous trend display for single burner boilers
Revised boiler requirements for purging the boiler enclosure where no fans remain in service
Expanded guidance on burner management system design describes the types of signals and transmitters used to initiate safety alarms and interlocks and appropriate monitoring methods
Added guidance regarding flue gas analyzers installed in the flue gas stream
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