construction of physical infrastructure such as internal roads, storm water drains, water supply, sewerage network, court yard filling, trunk mains etc., in the approved layouts at tidco colonies at asr colony, talarivanipalem and atchamnaidulova locations of gvmc ulb at visakhapatnam district andhra pradesh under ahp-pmay-hfa (u) with 2 years defect liability period under lump sum contract ( percentage tender)