66.How many safety valves shall be provided for a boiler and where?

The following are the main safety valves typically in a boiler :                                                                             

Boiler drum (L) - 2 nos                                                                                                                           

Boiler drum (R) - 1 no                                                                                                                         

Super heater outlet (R) - 1 no                                                                                                                 

Reheater Inlet (L) - 1 no                                                                                                                               

Reheater Outlet (R) - 2 nos                                                                                                                

Reheater Outlet (L) - 1 no                                                                                                                    

Super heater Outlet (L) - 2 nos