supply installation testing commissioning of lpg based chs for rajniwas ladakh , sitc of lpg based chs for rajniwas ladakh , 1 ) sitc of lpg fired combi boiler 15-20 kw fitted with circulation pump , chimney , control panel . expansion tank etc . ( 01 job ) 2 ) si tc of aluminium /steel panel raditor of capacity 2500kcal/hr at 65-70 degree celcius fitted with supply /return valves . ( 04 job ) 3 ) sitc of heavy duty , tripler layer ppr pipe . interior pipes: uninsulated exterior pipes: insulated with 25mm nitrile foam & with 26g aluminium cladding . a ) 25mm dia insulated ( 06 rm ) b ) 25 mm dia exposed ( 51 rm ) 4 ) sitc of following flow control valves: a ) bll valve 25mm dia ( 02 nos ) 5 ) providing of filling of coolant in the system ( ioc servo cool plus ) ( 75 ltr )