1 Replacement of damaged AC sheets roofing with GI pre- painted sheetsAC sheets to quarters and public buildings at Sector- I, RGI Area, GDK 2 Roof repairs with situ water proofing treatment 3 Roof repairs with situ water proofing treatment with 2mm thick APP Atactic 4 Roof repairs with situ water proofing treatment with 2mm thick APP Atactic