overhauling of rotary aph of u 4 , 5 at bktpp overhauling of rotary aph of u 4 , 5 at bktpp , hiring of 01 no . of hydra ( capacity: 14 ton ) with operator & fuel , hiring of 01 no . of truck with operator & fuel , overhauling of rotary air preheater 5a & 5b , hot end & hot intermediate end basket removing , cleaning and refitting with necessary arrangement as per scope of work , cold end basket removing , cleaning and refitting with necessary arrangement as per scope of work , new hot end & hot intermediate end basket cleaning and refitting with necessary arrangement as per scope of work , new cold end basket cleaning and refitting with necessary arrangement as per scope of work , guide bearing replacement with necessary arrangement as per scope of work , support bearing replacement with necessary arrangement as per scope of work , main drive gear box replacement with necessary arrangement as per scope of work , replacement of soot blower replacement with necessary arrangement as per scope of work , replacement of speed reducer of soot blower assembly with necessary arrangement as per scope of work , replacement of deluge & wash pipe of hot end & cold end with necessary arrangement as per scope of work , repairing/replacement of aph inside duct area & support bracing pipe & beam with necessary arrangement as per scope of work . , replacement of air motor with necessary arrangement as per scope of work , t-bar & rotor angle replacement work , replacement of cold end gratings , ex-bhel expert , gst as applicable will be paid extra on production of proper documents .