Tender For round the clock operation and maintenance of 20 mld capacity common effluent treatment plant, unit-5,6,7,8 .........sector -vi ita for 3 (three) years rate to be quoted on turnkey basis. - round the clock operation and maintenance of 20 mld capacity common effluent treatment plant, unit-5,6,7,&8 ( civil and e & m) including supply of chemicals, lab testing chemical, guarding arrangement, sludge disposal, gardening, cleaning and sweeping within cetp campus area at calcutta leather complex, bantala under sector -vi ita for 3 (three) years; rate to be quoted on turnkey basis