Operation and Maintenance (O and M) Work of Drinking Water Scheme in R-1 to R-4 Block-A of South Extension Scheme. 5303

Item Code [ phed o & m pipe line]:Item Type [Other] :: Maintenance of pipelines irrespective of size & material which includes repairing of bursts & leakages pollution control, survey & removal of choking , disconnection of illegal connections , collection& recording minimum 10 nos residual chlorine samples during daily supply timimgs , interconnections and all works related to pipeline network in existing distribution /rising main pipelines of all sizes by digging out suitable of pit in soft and loose soil/hard soil including cutting of black top , WBM &CC top of road of any size at work site .this will also include cutting of pipe ends , fixing

Item Code [other o &m power factor ]:Item Type [Other] :: Providing and fixing of power factor control capacitor panel with Mtc. on monthly rental basis. The responsibility of contractor is to maintain minimum power factor as 0.96 If the contractor is failed to maintain minimum PF, and any surcharge on this account is levied by AVVNL the same shall be deducted from payment of contractor ( Per HP Per Month)

Item Code [phed Centrifugal Monoblock pump 20 hp]:Item Type [Other] :: Providing, installation, testing and commissioning of Centrifugal Monoblock pump set conforming to IS 9079 , 2 pole motor operating at synchronised speed of 3000 RPM with requisite MOC impeller, priming funnel, cock, suitable flanges at suction and delivery side. Pump shall have common shaft for pump and motor. Motor shall be suitable for working on 415 V ± 10%, 3 Ph, 50 Hz A.C. Supply. Motor shall be TEFC type and Pump set shall be suitable for working at various discharge and head requirements as per scope of work. Pump shall be erected on C.C. foundation / cross channels / RSJ frame block with suitable foundation bolts grouted in C.C. foundation block etc. complete in all respect as per specification, scope of work and direction of Engineer in Charge of following power rating, suitable for prescribed duty conditions mentioned in TD. Centrifugal Monoblock Pump set (Single Stage) 15.0 KW (20.0 HP)

Item Code [phed o & m open well]:Item Type [Other] :: Maintenance of open wells which includes round the clock monitoring of open wells , complete repairs/ rewinding of submersible/Mono Block pump sets including cost of material components required to repair pump sets, starters, meters etc. of electric panal of tube wells, Lowering and unlowering of pump sets complete in all respect, maintenance of log-books & History sheet as directed by Engineer-in-charge for tube well per month.11.0 HP to 12.5 HP

Item Code [phed o&m centrifugal pump]:Item Type [Other] :: Maintenance of centrifugal pump sets and motor/ Monoblock including cost of rewinding of motor, material components & accessories required to repair pumpsets, starters etc. of electric panels, deinstallation and re installation of pumpsets complete in all respect for per Centrifugal pump set with pannel per month. maintenance of histroy sheet as directed by Engineer-in-charge for centrifugal pump set per month . Operated load of Centrifugal Pump sets (HP) 13.0 HP to 20.0 HP

Item Code [phed o&m motor]:Item Type [Other] :: Maintenance of Tube well which includes round the clock monitoring of tubewells of all sizes , complete repairs / rewinding of submersible pumpsets including cost of material components required to repair pumpsets , starters , meters etc. of electric panel of tubewells , lowering and unlowering of pumpsets complete in all respect , maintenance of logbooks & history sheet as directed by EIC for tubewell per month . for urban water supply schemes.

Item Code [phed o&m pump house ]:Item Type [Other] :: Running expenditure of pumphouses which includes complete operation of pumpmotor , maintenance of log-books as directed by Engineer-in-charge, general upkeeping of premises, security arrangements, Regular chemical dosing in CWR, cleaning and desilting of SR/CWR/SUMP once every six months, daily valve operation under the Campus of pump house and all other works as mentioned in scope of work in tender document for per pump house per month. (power supply up to 8 hrs) Upto 50 HP

Item Code [phed o&m valve]:Item Type [Other] :: Daily / perodical operation of valves at supply times for specified by department per sluice valve per month .(Valve rod and cap to be arranged by contractor)