Providing And Laying Hybrid Polyurethane An Polyurea Chemical Water Proofing Membrane On Roof Of A - Type (2 Block), S - Type (1 To 9), Biren Block (3 Units - 17, 18, 19), Hostel No-7, 9, 10, 11, 16 Slater Hall, Main Building (Cst Block Mining Block) And External Face Lifting Including Internal Finishing Of Top Floor, Renovation Of Toilet At All Foor Of Cst Block And Mining Block Of Main Building With Renovation Of Electrical Works Of Top Floor Cst Block And Mining Block At Iiest, Shibpur, Howrah. Sh: Contingencies. Sw: Hiring Of Inspection Vehicle Of Sub-Division-Iv, Ee(Kol)-Ii With Good Serving Condition I/C Providing Driver For Use In Official Work.