bids are invited for custom bid for services - operation and maintenance support for ugv ugw infra structure stp oht and ventilation systems item no 1 operation of sewage treatment plants and over head tank ventilation and associated systems in general shift as per sched.. , custom bid for services - item no 2 maintenance activities of sewage treatment plants over head tank ventilation and associated systems in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 3 operations of infrastructure facilities sewage treatment plant in round the clock shift as per schedule of quantities qty 2200 no , custom bid for services - item no 4 operations of common access area sewage treatment plant ugv and controlled access area sewage treatment plant of 422 cubic meter per day capacity ugw in round the clock shift as per schedule of quantities qty 2200 .. , custom bid for services - item no 5 operation of domestic water distribution to infrastructure facilities and fire water distribution to external firefighting system domestic water distribution outside operating island in round the clock shift as pe.. , custom bid for services - item no 6 operation of ventilation equipment of various free access areas in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 7 general assistance for maintenance of ventilation equipment in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 8 mechanical maintenance of stps and oht and associated systems in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 9 electrical maintenance activities of ugv and ugw and infrastructure stp and oht in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 10 general assistance for ugv and ugw and infra structure stp and oht in general shift as per schedule of quantities qty 630 no , custom bid for services - item no 11 over time for item no 1 and 2 and 6 and 8 and 9 as per schedule of quantities qty 9000 hrs , custom bid for services - item no 12 over time for for item no 7 and 10 as per schedule of quantities qty 7000 hrs , custom bid for services - item no 13 monthly sampling as per the requirement of the tnpcb standard as per schedule of quantities qty 24 no , custom bid for services - item no 14 cleaning of various tank or sump in stp or oht as per schedule of quantities qty 22 no , custom bid for services - item no 15 vehicle for transportation ane survey of various locations inside kknpp plant site as per schedule of quantities qty 24 no , custom bid for services - item no 16 chemicals and associated items as per schedule of quantities qty 8 lots , custom bid for services - item no 17 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 4 lots , custom bid for services - item no 18 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 2 lots , custom bid for services - item no 19 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 4 lots , custom bid for services - item no 20 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 4 lots , custom bid for services - item no 21 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 22 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 23 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 24 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 25 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 26 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 27 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 28 mechanical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 29 electrical consumables and other associated items to be supplied as per schedule of quantities qty 4 lot , custom bid for services - item no 30 electrical consumables and other associated items to be supplied as per schedule of quantities qty 1 lot , custom bid for services - item no 31 electrical consumables and other associated items to be supplied as per schedule of quantities qty 2 lot , custom bid for services - item no 32 excavator jcb for bush clearance and leveling dozing the undulated areas mechanically along with operator on hourly basis as per schedule of quantities qty 300 hrs