bids are invited for hiring of consultants - milestone/deliverable based - subject matter experts; project management; no; hybrid(as specified in scope of work) - design , engineering , tendering and award of supply package (valves) including approval of documents etc.as per scope of work, clause no 5.0 , tender for preparation of works tender for replacement of ball valves by hot tapping method including approval of documents.as per scope of work, clause no 6.0 , design , engineering , award of tender for mitigation of low depth cover in ip04ph to ip06ph in jharkhand region & jhbdpl network (10 to 15 locations) including approval of documents and proceduresas per scope of work, clause no 7.0 , additional jobs to be carried out apart from above jobs from consultants office activity in which, consultant shall prepare welding related procedures and review the data, report etc. as & when requirement arises and submit the report with recommendations / remedial actions. all office activities shall be carried out from consultants office.[for any other job, not covered under sr. no. 1, 2 & 3 as mentioned above] , inspection at vendor works / review meeting / site visit , deployment of manpower for execution of job at site