Providing Sewage Treatment Plants (STPs) at the Location of Satyanarayanapuram (1.50 MLD) and Parawada (0.50 MLD) at Visakhapatnam Municipal Corporation of Visakhapatnam district in Visakhapatnam Circle, APTIDCO Developed Affordable Housing Projects in Andhra Pradesh on Design, Engineering, Construction, Supply, Installation, Testing, Erection and Commissioning and thereafter Operate and Maintain the STPs for 5 (Five) Years basis (including Defect Liability Period of two years from the Date of Completion of Project).