Extraction, checking, repair servicing of 01 no, Unit no 04 VT pump installed at Tawi Pump House, Jammu filled with mud, silt and debris during flash flood along with engagement of manpower for retrieval of KRTU pump stuck in the slit and clear

Amount

Transportation charges for shifting of worn-out components of the VT pump of 900 VM-2 ,60 Cusecs, discharge,32.30 mtr Head VT pump of pumping Unit No 04 for repairs to the workshop by way of loading in mechanical transport from Tawi pump house and unloading the same at the workshop with the help of E.O.T crane and manual labour. Complete dismantling of bowl assembly of VT pump, servicing, greasing and re-assembling the bowl assembly including replacement of HT bolts/studs along with minor repairs to bowl assembly by way of welding worn out portion with welding electrodes. Grinding and finishing to required size. Repairs to top shaft and 4th line shafts of VT pump by way of rebuilding of worn-out seat portion of bearing of the Shafts. Rebuilding top shaft by way of extracting worn out sleeve of the shaft and turning shaft to remove unevenness in surface and providing and fitting new shaft sleeve fabricated out of Gun metal /SS material and fitting and locking sleeve at seat portion of bearing. Turning, finishing, polishing to required size. Checking of eccentricity developed at the different off-sets of the shaft during operation and removing the eccentricity developed by means of press bench. The tolerance limit be kept within the prescribed limit of +0.03 mm. Rebuilding of 4th line shaft of pump at seat portion of bearings by way of welding with SS welding electrodes conforming AISI-410 grade, Turning, finishing, polishing to required size. Checking of eccentricity developed at the different off-sets of the shaft during operation and removing the eccentricity developed by means of press bench. The tolerance limit be kept within the prescribed limit of +0.03 mm. Repairs to one number guide spider by way of welding of damaged/worn out seat portion of guide spider with suitable C.I. electrodes and finishing the welded portion as required making the surface even. Extraction of broken/damaged bolts by drilling and rethreading the drilled holes for fitment of counter sunk bolts. P/F of rubber pads with counter sunk bolts in all the three arms of guide spiders. The job further involves back carriage of the repaired column assembly and bowl assembly parts i.e. shaft enclosing tubes, SS line shaft and Muff coupling etc. to the site of Tawi pump house by way of loading in mechanical transport at workshop and unloading at site of Tawi pump house, Jammu with the help of manual labour .The job involves replacement of thrust pad of other 02 Nos guide spider- (06 Nos). Assembling and lowering of extracted VT pump and column assembly involves complete wiping ,cleaning repaired parts, lowering of complete bowl assembly , column assembly in proper sequence by fitting of column pipes and fitting further, lowering fitting of shaft enclosing tube along with line shaft one by one to discharge head and Tee joint fitting with rising main of 36” dia. P/F of consumables items during lowering of the VT pump like line shaft rubber bearing 7 Nos., bottom rubber bearing 1No.,. HT column bolts with nuts 120 x20 mm (reputed make) 10 Nos., HT shaft enclosing tube bolts with nut 110x16 mm 10 Nos. HT bolts with nuts 110x25 mm(reputed make) 10 Nos., HT bolts 65x16mm 12 Nos. , HT bolts 45x16 mm 06 Nos., HT Allen key bolts 40x12 mm 10 Nos., spring washers-16mm 24 nos., spring washers 12mm 24 Nos., fire fly sheet 1/32” 6 kg, fire fly sheet 1/16” 7.5 kg., rubber insertion sheet 1/18” 12 kg, gland packing ¾” 2kg,hacksaw blade double edge 6 Nos., HT bitumen tape roll, emery cloth 7 mtr. Grease -07 kg and servo system 46-15 litre for topping of motor (servo system46, provided by Deptt.) Fitting of pump and motor half coupling, checking alignment of pump and motor using dial gauge, making all the electrical connection, tightening bolts, providing of gasket, electrical thimbles and then testing on full load. Skilled person shall be provided by the firm for extraction /fitting /assembling of parts during lowering of VT pump. Complete job includes cost of materials and labour charges.

Clearing debris/wet silt /trash from various floors, stairs (Under ground floor 1 and under ground floor 2) of Tawi pump House by lifting and disposing malba outside the complex of Tawi pump house. cleaning of winch machines ,control panels of summer and winter gates by removing trash/malba deposited due to flash flood ,cleaning of gears ,ropes etc. Cleaning of control panels by disconnecting power supply, removing trash, silt using brush and other suitable tools very carefully. Wiping out water content and cleaning using suitable cleaning chemical .Job includes charges for skilled/semiskilled and other labour engaged, hire charges of all tools and safety kit required for labour during execution of job. Clearing debris/silt/trash deposited from the store at Under ground floor 1 deposited due to flood at Tawi pump house. Job involves removing of debris/wet silt /trash deposited in the store, lifting all malba from store and disposing outside pump house complex .It includes removing of obstacles such as machinery and cleaning of items buried under malba and stacking properly. Hiring of super skilled labor for retrieval of KRTU Pump stuck in debris/silt in the sump having depth of 15 to 20 feet. As holding /hanging chain of KRTU broken due to flood.

M/S TRIKUTA ELECTRICAL & MECHANICAL WORKS (BID ID -2501581)

BEE AAR ENTERPRISES (BID ID -2501607)