tender for belrayan repairing / overhauling and annual maintenance contract of dcs based automation system of mill, boiler and boiling house- 1 1- dcs based automation system of mill & boiler no. 1, 2, 3, 4 & 5. ( a ) monitor and c.p.u. ( b ) controlling of drum level with indication. ( c ) steam flow indicator with totalizer. ( d ) s / h steam pressure indication. ( e ) s / h steam temp indication. ( f ) feed water flow indication. ( g ) drum level high & low alarm system. ( h ) cane carrier, src, cane belt speed controlling according to grpf load, mill no-1 chest pressure and src load. ( i ) kicker motor, cutter motor, leveler motor, g.r.p.f. motor overloading indication & control the rpm of cane carrier according to overload. ( j ) donally chute level indication. ( k ) live steam pressure, flow, pressure, temperature & chest pressure indication of all turbine. ( l ) imbibition water control according to mill no-3 chest pressure. ( m ) repairing and maintenance of all installed instruments of high pressure boiler no-4 & 5. ( n ) amc of high pressure boiler no- 1, 2, 3, 4 & 5. 2 2- dcs based automation system of boiling house. ( a ) monitor and c.p.u. ( b ) raw juice, sulphited juice and imbibitions water flow indication. ( c ) raw juice, sulphited juice tank level indication. ( d ) raw juice pump & sulphited juice pump speed controlling according tank level. ( e ) temperature control of clear juice & sulphited juice. ( f ) vertical injection pump rpm controlling according header pressure. ( g ) pan condenser water inlet valve control according pan vacuum. ( h ) p.r.d.s. system. ( i ) super heated wash water temperature controlling. ( j ) condensate water flow indication. ( k ) tempreture indication of digital sulphur furnace.