tender for interception and diversion of drains with stp works project of indergarh town under sbm 2.0; 1 interception & diversion of nallahs with stp works project of indergarh town under sbm 2.0 2 1. design and build sewage treatment plant of installed capacity 1 mld and all appurtenant structures and allied works;2. survey, review the designs, redesign where necessary, anddiversion works of nallahs with interception sewer of about 1.25 km length including survey, design, and all appurtenant structures and allied works; and3. operation & maintenance of the complete works of sewage treatment plant, intercepting sewer and/or interception & diversion works of nallahs and pumping stations for a period of 05 years after completion of works, including defect liability period (dlp) of 5 year, starting from the date of commission of the project