request for proposal for selection of consultant for project management and construction supervision services , project management , construction supervision and inspection for water supply & sewerage projects as per request for proposal including all the taxes , duties , local charges etc . but excluding gst which shall be paid separately on prevailing rates . note: 1 ) consultancy fees shall be quoted on % basis of the project cost . 2 ) project cost means the balance cost of the project on the date of assigning the project to the pmc duly certified by pmc / upjn 3 ) the cost of the consultancy is the one given in the summary as above and payment is to be made as agreed during negotiation . the breakup of the cost as given in formats 2a to 2d is to facilitate negotiation with the consultant