MTPS I TM Unit I Cleaning and Hydraulic Testing of Lub oil Coolers and Working oil coolers Dismantling cleaning and assembling of Suction Strainers of BFPs and CEPs etc

Amount

Inspection and Hydraulic Testing of BFP Lub Oil Cooler/Working oil coolers assembly: Disconnecting the Lub oil and Working Oil lines from the Cooler after draining the sump oil, dismantling the water boxes, separation of tube nest from the cooler and cleaning the inner surface of shells, tube nest and conducting the hydraulic test to the rated pressure, reconditioning of shell outer surface by welding if necessary, plugging the tubes if puncture deducted and reassembling of cooler and the connected parts with the renewed gaskets & ‘O’ rings.

Overhauling of Lub Oil Cooler “Y” Strainer Cooling water inlet & Outlet line valves:- Dismantling the valve, cleaning all the parts, checking the seating surfaces of Gate/seat. Lapping the seating surfaces of gate/ seat for perfect blue matching. Reassembling the valve with new gland packing rings and bonnet gaskets without any leak.

Inspection & cleaning of CEP strainer: Loosening of all the strainer cover flange bolts & nuts, lifting and removing the strainer cover, removing the CEP strainer from the strainer assembly, inspection and reconditioning the damaged strainer if necessary, cleaning the strainer, cleaning inside the strainer well and removing the old gasket from the lid closing area, assembling the strainer basket in the well and assembling the CEP strainer assembly with renewed gasket and painting of the strainer outer area. (Paints under contractor scope)

Inspection & cleaning of BFBP strainer: Dismantling the strainer lid assembly and removing the BFBP strainer basket from the strainer assembly, inspection and renewing the damaged strainers if necessary, cleaning the strainers and reassembling the basket, cleaning inside the strainer well and removing the old gasket from the lid closing area, assembling the strainer basket in the well and assembling the BFBP strainer assembly with renewed gasket.

Overhauling of BFP mechanical Seal cooler Dismantling the Mechanical Seal Cooler connected pipe lines removing and dismantling of mechanical seal cooler & removing the existing cylindrical portion and coil from the cooler.

Cleaning the outer portion of coils by wire brush preparation of gaskets for all flanges assembling and resuming pipe line connections and erection of mechanical seal cooler. painting the inner and outer side of the mechanical seal cooler shell and connected pipe lines.

Inspection and cleaning of Hot well and steam side of condenser (LHS & RHS) Opening/Closing the Condenser Steam side & Hot well manhole doors of 6 Nos., Cleaning inside the hot well to remove the dust and impurities, inspection the steam side area, cleaning of spray nozzle, cleaning the rubber chord seating groove and surface area of the manhole and closing after renewing all the manhole door rubber chords.(Rubber chord contractor scope)

Opening of condenser water box manhole door, cleaning of water box and tubes and removing the entrapped debris (Shells) from the CW inlet pipe line ends. Opening of water box man hole door, arranging the safety ropes and safety equipment’s, cleaning the water box, removal of debris from the water box and tubes and closing of man hole doors with new gaskets.

Closing of front & Rear manhole doors of 16 Nos for Condenser LHS & RHS. Manhole doors after renewing all the manhole door rubber chords and Providing and removing condenser jack pipes during vacuum tightness test.

Charges for Matirial Rubber chord 160

Charges for Consumables and T&P’s item Sl.No:1 to 9