Tender For large scale renovation and alteration of aging infrastructure of iitm campus and desilting of lake at discovery campus. sh providing and laying of aluminum seam roofing over the existing curved roof sheet including fixing gutter and other accessories at the terrace g plus 3 of machine design section block under academic zone at iitm campus chennai-36subwork/packages:providing and laying of aluminum standing seam roofing over the existing curved roof sheet including fixing gutter and other accessories at the terrace g plus 3 of machine design section block under academic zone at iitm campus chennai-36