Providing And Laying Polyurathene 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 Finish Of Top Floor, Renovation Of Toilet At All Floors Of Cst Block And Mining Block Of Main Building With Renovation Of Electrical Works Of Top Floor Cst Block & Mining Block At Indian Institute Of Engineering Science And Technology (iiest) Shibpur, Howrah, West Bengal. (sh: Roof Treatment Work Of Main Academic Building (blance Part), Guest House, Sbi Building, Netaji Bhawan, Gymnasium At Shibpur.) Sw:roof Treatment Work Of Etc Department Of Main Academic Building (balance Part).subwork/packages:roof Treatment Work Of Etc Department Of Main Academic Building (balance Part).