UP Jal Nigam Tender

OVER HEAD TANK

Submission of design, drawing and supply of all material, labour T&P etc. to construction of as per tenderer's own seismic proof design and drawings (approved by the department) complete intz type R.C.C. Over Head Tank with following capacity and staging on raft or pile or pile cum raft foundation with columns and braces of staging from made up ground level at site to the top of bottom ring beam of tank, with a minimum free board of 15cm. The design of the tank shall be based on safe bearing capacity of soil at site i.e. 8.0 T/m2 (datum) and depth of foundation as 2.50m (datum) from existing ground level on pile/raft foundation. Made up level of OHT will be taken as 0.60 m above existing gound level. Extra earth for filling of made up level will be arranged by the contractor at his own cost. The height of staging will be considered from the made up ground level to the ring beam (Top Face) of bottom dome. B.C. above given is tentative, contractor will have to test the B.C. and design of O.H.T. will be on actual B.C. found. All other details of tank not covered here shall also be as per specifications enclosed. The specifications for O.H.T. will be as follows :-

Submission of detailed design and drawing from any recognized University such as I.I.T. etc. or as per direction of Engineer in-charge. 1. Minimum grade of concrete for whole structure-M30 2. Minimum grade of Steel for whole structure-Fe 550 TMT bars