providing 0.50 mld of water supply to athipattu, kattupalli and vallur panchayats at minjur union in thiruvallur district from 1.0 mld desalination plant at kamarajar port as deposit work- period of completion- 9 months, trial run period – 1 month and free maintenance of the scheme – 3 months–e-submission- 1 providing 0.50 mld of water supply to athipattu, kattupalli and vallur panchayats at minjur union in thiruvallur district from 1.0 mld desalination plant at kamarajar port as deposit work- period of completion- 9 months, trial run period – 1 month and free maintenance of the scheme – 3 months–e-submission 2 laying and jointing of pumping main from kamaraj port sump to panchayats sumps including trenchless crossing & road restoration charges ( 180mm to 75mm dia hdpe 6ksc pipes)-20.70 km. 3 supply and erection of pumpsets and accessories 4 construction of 4.00 m x 3.00m pumproom at desalination plant 5 construction of 0.3ll sump at kattupalli and sepakkam panchayats (2 nos) 6 construction of 0.60 ll sump at athipattu pudhu nagar 7 construction of 1.00 ll sump at athipattu panchayat 8 annual maintenance of the scheme 9 add gst @ 18% on basic value