NCTPS II MI Circle CA CWPs 1E to 2B Carrying out daily and periodical maintenance work in the cooling water pumps

Charges for carrying out daily maintenance work in four nos.of cooling water pumps and its allied travel water screens,flush pumps in CWPH by attending minor break down work such as arresting the water leakages if any, removing the dust in the all the floor area & the mollusks or any other trashes etc., in the travel water screen basket tray by operating flush pump, regular cleaning of the pump parts & oil view glass of pumps & TWS trench,checking of oil level in the pumps, tightening of bolts & nuts in the stuffing box collar & flanges,releasing the temporary choking in the bearing housing cooling water lines, inspecting &cleaning of expansion joint,air release valve,butterfly valve and its actuator assembly etc., and clearing the bushes & jungles around the cooling water pump house as per the direction of the site incharge including cost of consumables and T&P's hire charges.

Charges for topping up the oil in the bearing housing assembly and replacing the worn out gland rope in the stuffing box collar assembly and ensuring the free flow of cooling sea water 50&20NB SS self cooling pipelines in the bearing housing including cost of consumables and T&P's hire charges.

Charges for carrying out the maintenance work in 200 NB ARV in the cooling water pump discharge line and GRP inlet & out let line at various location. As per the direction of the site incharge, including cost of consumables and T&P's hire charges.

Charges for dismantling and inspection of cooling water pump coupling assembly, checking the aligment of the motor and pump, reassembling the coupling with pump including the cost of aligment, cost of consumables and hire charges for T & P 's.

Charges for inspection of discharge valve seal seating area and retainer ring in discharge valve and adjusting/renewal of worn out discharge valve seals(1800mm dia) of the cooling water pumps by opening the man hole door along with the air release valve, reassembling the same in position as per the direction of the site incharge, including cost of consumables and T&Ps hire charges.

Charges for lubricating the discharge valve actuator assembly of cooling water pump as per the direction of the site incharge including cost of consumables and T &P's hire charges.

Charges for rectifiying spray nozzles,anode and screen basket in travelling water screen by dismantling of screen's fiber covers and cutting the worn out spray nozzles and anodes, replacing with new sparay nozzles,anodes and marking,cutting,welding the screen's basket and fixing the screen mesh including cost of consumables and hire charges forT&P's etc.,

Charges for dismantling the flange joint's bolts and nuts,to attend the damaged/puncture portion int he 80/200NB HDPE header pipeline of flushing pump connected with travellling water screens including cost of consumables & hire charges for T&P's etc.,

Charges for greasing the travelling water screens chain link pin on DE & NDE sides by rotating the travelling water screen one by one and lubricating by greasing the tap screw, capstan nut,bearing housing,gear box and flushing pump including cost of consumables & hire charges for T&P's etc.,

Charges for plasma cutting ,edge preparation and welding of one full circle joint in 80 NB SS pipe including cost of consumables & hire charges for T&P's etc.,

Charges for plasma cutting , edge preparation and welding of one full circle joint in 150 NB SS pipe including cost of consumables & hire charges for T&P's etc.,

Charges for decoupling pump and motor,dismantling pump internals such as impellers,column pipes,coupling,shafts & sleeves retc.,and re-assembling the pump internals,coupling the pump with motor including the cost of consumables and T&P's hire charges etc.,

Charges for inspection of chain link roller,roller pin and roller seating area for wear & tear and rectify the old one/renewal with new one and rectifying the wornout & damaged travel water screen basket by marking, cutting and fixing the screen mesh in travel water screen basket suitably including cost of consumables and hire charges for T&P's etc.,

Charges for inspection and rectification of the sprocket wheel seating area with chain link roller and removing the sleeve bearing from plumber block,checking the clearance,overhauling of TWS gear box, reconditioning the main drive shaft of TWS and reassembling including cost of consumables and T&P's etc.,

Charges for removing the flexible coupling,motor stool with motor and dismantling pump internals such as suction casing bell mouth,pump casing,impeller casing,impeller,elements -I to V, radial bearings,thrust &journal bearing assembly,stuffing box collar assembly,distance pieces-I &II, drive shaft,head shaft, intermediate shafts-I &II, pump shaft, thrust block,removal & fixing of wear ring including cost of consumables and T&P's etc.,

Charges for cleaning of pump internals,checking the dimension of shaft sleeves,anti extrusion & latern rings, muff coupling's inner dimension, abutment rings,radial bearings,impeller, impeller casing liner,impeller casing, deflector plate,impeller lock nut and suction casing bell mouth and carrying out the minor rectification &strengthing discharge elbow, thrust block and other pump internals if necessary and ensuring the free rotation of rotor at each stage for smooth operation of pump including the cost of consumables and hire charges for T&P's etc.,

Charges for re-fixing suction casing bell mouth,impeller casing assembly with impeller, pump casing assembly,elements-I to V, radial bearings, pump shaft, intermediate shafts-I &II, head shaft, drive shaft, discharge elbow, thrust block, distance pieces -I &II, thrust bearing assembly, setting the float, fixing the motor stool with motor, aligning and coupling the pump with motor including the cost of consumables and hire charges for T&P's etc.,

Charges for machining the cooling water pump radial bearing inside diameter and suite the shaft sleeve suitably as per the direction of site incharge including the cost of consumables, lead,lift and hire charges for T&P's etc.,

Charges for painting of 1 coat of zinc chromate/red oxide primer and 2 coats of coal tar epoxy/finish paint which includes cost of consumables such as paint, primer ,thinner, brush,cotton waste etc.,lead,lift and T&P's as directed by the site incharge.

Charges for dynamic balaning of the all rotating parts ie.,impeller.The work involves loading and unloading of the pump rotating parts one by one in dynamic balancing machine and checking the rotating parts with 1000 rpm and removing/adding material by welding on to the impeller for correcting any imbalance including cost of consumables and T&P's etc.,

Charges for fabricating and bending the10MM thick MS plate of size1500 MMX600 MM for cooling water pump dischargeline, leading, lifting and positioning the curved plate over the outer side of the discharge pipeline,2 runs of welding by using welding electrodes including cost of consumables and hire charges for T &P's etc.,