tender for a)calibration of coal dump road w/b 60mt , labour requirement for weighing plate form bottom portion cleaning surrounding area of load cell etc. for verification of road weigh bridge at docp. , c.i. weight (20kg x750pcs) shifting from docp weigh bridge-1 to coal dump road weighing plate form and then placing it in weighing plate form as per requirement and unloading c.i.weights at coal dump weigh bridge during calibration of machine and verification. , after calibration of weighing plate form c.i. weights(20kg x750pcs) are shifting from weighing plate from to store room. , b)rep. of weighing plate form of docp-ii road weigh bridge(40mt) , weighing plate form bottom portion surrounding area local cell etc. cleaning , dismantling of 12mm thick m.s.plate by cutting gouging of damaged bolts with nuts by gas cutting and gouging electrodes and kept it inside the plate form. , cross supporting damaged girders, joist by welding by suitable electrodes with all side supporting m.s.plate tightening by 97 nos h.t.bolts, nuts with double washer. , all plate form plate resetting by bolting with welding after new holes making with plates and girders. , total impact of gst for the purpose of ctc