Annual Maintenance Contract Programme (Stage Contract) of Mechanical Works for the year 2020-21 at Lift Water Supply Scheme of VIP Belt. DOWN TOWN for PHE Mech. City Right Sub Division

Amount

Periodic M Oil Change & other minor repairs of 25KVA DG Sets. Annexure “A” Servicing of 25 KVA DG set which includes Moil change of engine of DG set by way of flushing out of all old/ used engine oil ,removing out old oil and diesel filters and then filling of Engine oil ( 12 Litres ). The job includes removing of air filter element from the assembly The job also includes;- P/F M Oil filter element. P/F Diesel filter element. P/F of air filter element The D G set is to be tested on full load at site after M Oil Change.

Dismantling & top overhauling of the engine assembly by way of dismantling of the cylinder head. P/F of the head valve seat, head valve guide set, ring set, diesel pipe set, banjo bolt with washer & Inlet/outlet valve set. Replacement of the piston rings, along with cylinder liner set. The job includes valve seat grinding.

Major overhauling of the engine assembly by way of checking the Bearings, cylinder head, cylinder liners, front gear train, Rear Gear train, lubricating Oil Pump, pistons, connecting rods, piston Rings, crank shaft journals, cam shaft, Front & Rear crankshaft seats, oil cooler etc. The job includes cylinder boring, replacement of pistons, piston rings, crank shaft journals, cylinder head, cylinder liners.

Dismantling & General overhauling of the pump assembly by way of complete overhauling of the F.I pump & 03 No injectors by way of replacement of all damaged quadrant elements, nozzles, Delivery Valves, injector valves, injection pipes, oil seals, bearings & hand pump kit. The job includes checking & calibration of the F.I pump on required rating/pressure.

P/F of V-Belt.

P/F of 12 Volt battery connections set.

Complete Radiator Servicing & P/F of water hoses & clamps.

P/filling of the coolant (10Ltr)..

P/F of hose pipe set

P/F of rubber oil ring set.

Periodic M Oil Change & other minor repairs of 40KVA DG Set. Annexure “A” 2.1 Servicing of 40 KVA DG set which includes Moil change of engine of DG set by way of flushing out of all old/ used engine oil ,removing out old oil and diesel filters and then filling of Engine oil ( 12 Litres ). The job includes removing of air filter element from the assembly The job also includes;- P/F M Oil filter element. P/F Diesel filter element. P/F of air filter element The D G set is to be tested on full load at site after M Oil Change.

Dismantling & top overhauling of the engine assembly by way of dismantling of the cylinder head. P/F of the head valve seat, head valve guide set, ring set, diesel pipe set, banjo bolt with washer & Inlet/outlet valve set. Replacement of the piston rings, along with cylinder liner set. The job includes valve seat grinding.

Major overhauling of the engine assembly by way of checking the Bearings, cylinder head, cylinder liners, front gear train, Rear Gear train, lubricating Oil Pump, pistons, connecting rods, piston Rings, crank shaft journals, cam shaft, Front & Rear crankshaft seats, oil cooler etc. The job includes cylinder boring, replacement of pistons, piston rings, crank shaft journals, cylinder head, cylinder liners. 3 Dismantling & General overhauling of the pump assembly by way of complete overhauling of the F.I pump & 04 No injectors by way of replacement of all damaged quadrant elements, nozzles, Delivery Valves, injector valves, injection pipes, oil seals, bearings & hand pump kit. The job includes checking & calibration of the F.I pump on required rating/pressure.

P/F of Complete Radiator Servicing & P/F of water hoses & clamps

P/F of V-Belt.

The job includes P/F of 12 Volt battery connections set.

P/filling of the coolant (10Ltr)..

P/F of hose pipe set.

P/F of rubber oil ring set & gaskets (03No).

Periodic M Oil Change of 82.5kva DG Set; Servicing of 82.5 KVA DG set which includes Moil M Oil change of engine of DG set by way of flushing out of all old/ used engine oil ,removing out old oil and diesel filters and then filling of Engine oil ( 13 Litres) The job includes removing of air filter element from the assembly The job also includes;- P/F M Oil filter element. P/F Diesel filter element. P/F of air filter element The D G set is to be tested on full load at site after M Oil Change.

Dismantling & top overhauling of the engine assembly by way of dismantling of the cylinder head. P/F of the head valve seat, head valve guide set, ring set, diesel pipe set, banjo bolt with washer & Inlet/outlet valve set. Replacement of the piston rings, along with cylinder liner set. The job includes valve seat grinding.

Major overhauling of the engine assembly by way of checking the Bearings, cylinder head, cylinder liners, front gear train, Rear Gear train, lubricating Oil Pump, pistons, connecting rods, piston Rings, crank shaft journals, cam shaft, Front & Rear crankshaft seats, oil cooler etc. The job includes cylinder boring, replacement of pistons, piston rings, crank shaft journals, cylinder head, cylinder liners.

Dismantling & General overhauling of the pump assembly by way of complete overhauling of the F.I pump & 04 No injectors by way of replacement of all damaged quadrant elements, nozzles, Delivery Valves, injector valves, injection pipes, oil seals, bearings & hand pump kit. The job includes checking & calibration of the F.I pump on required rating/pressure.

P/F of V-Belt.

P/F of 12 Volt battery connections set.

Complete Radiator Servicing & P/F of water hoses & clamps & Radiator cap

P/filling of the coolant (10Ltr),.

P/F of hose pipe set.

P/F of rubber oil ring set & gaskets.

Annexure “B” (Repairs of Rising Main & Pipe Networks)

Repairing of leakage in 150mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firm

Repairing of leakage in 125 mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) as per site requirement by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firm The job also includes providing /fitting of 12 mm thick ,125 mm Inner dia .05 No flanges and rubber washers etc.

Repairing of leakage in 100 mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) as per site requirement by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firmThe job also includes providing /fitting of 10 mm thick ,100 mm dia .04 No flanges and rubber washers etc.

Repairing of leakage in 80 mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firm. The job also includes providing /fitting of 10 mm thick, 80 mm dia .04 No flanges and rubber washers etc.The job also includes welding of flanges at leaking spots.

Repairing of leakage in 65mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firm

Repairing of leakage in 50mm dia GI Rising Main by way of Cleaning of approach passage/bush cutting of the rising main by excavation work involving trench cutting manually for exposing the leaking portion of the rising main engagement of highly skilled labour. Cutting of the top portion of the rising main using oxy acetylene gas cutter to make a passage of appropriate size for electrode access. Welding of the cracked spot (100 mm long approx.) by providing double layer electric arc welding at either ends of the rising main (inside and outside) besides positioning of sand bags in interior of the pipe to facilitate welding work hampered by leaking water in the rising main, refitting of the extracted portion at its original position by way of providing of double layer arc welding. After executing the repair work the job involves testing of the complete rising main on full load for 4 hours and refilling of the excavated trench. All the necessary tools /tackles required for the job are to be arranged by the firm

Providing and shrouding of pea gravel of appropriate size 2mm/4mm to act as a filter media and to arrest the water contamination. The gravel shall be duly sieved corresponding to granular size suitable for the slot size. The gravel shall be free from dust, mud, sand and river borne impurities. The job includes the cost of extraction of gravel from Sindh Nallah and transportation and shrouding of same to the site of work.

Annexure “C” (Valves, pipes& Fittings)

Providing and fitting of DN 50 GM/Forged Brass screwed gate valve. The job includes cutting for 50mm dia. pipe to make two threaded ends in order to facilitate the gate valve. Acceptable Make;-Zoloto/Kirloskar/Kartar/Any reputed ISI Make.

Providing and fitting of DN 65 GM/Forged Brass screwd gate valve. The job includes cutting for 65mm dia. pipe to make two threaded ends in order to facilitate the gate valve. Acceptable Make;-Zoloto/Kartar or Any reputed ISI Make.

Providing and fitting of DN 80 GM/Forged Brass gate valve reputed make. The job includes cutting for 80mm dia. pipe to make two threaded ends in order to facilitate the gate valve. Acceptable Make;-Zoloto/Vag/ reputed ISI Make.

P/F of the 25mm Dia.PN16 ISI Marked IS-13095 Butter Fly Valve with SS Disc.

P/F of the 40mm Dia.PN16 ISI Marked IS-13095 Butter Fly Valve with SS Disc.

P/F of the 50mm Dia.PN16 ISI Marked IS-13095 Butter Fly Valve with SS Disc.

P/F of 125 mm dia. GI B class pipe as per IS-1239/IS-3598 fitted with MS Flanges/ Coupling along with Nuts/Bolts & washers etc as per site requirement. (JINDAL/SURYA PRAKASH)

P/F of 100 mm dia. GI B class pipe as per IS-1239/IS-3589 fitted with Socket/MS flanges/coupling & Rubber washer/Nuts/Bolts as per site requirement. (JINDAL SURYA PRAKASH).

P/F of 80 mm dia. G I B class pipe as per IS-1239/IS-3589 fitted with Socket/MS flanges/coupling & Rubber washer/Nuts/Bolts as per site requirement. (JINDAL SURYA PRAKASH).

P/F of 65 mm dia. G I B class pipe as per IS-1239/IS-3589 fitted with Socket/MS flanges/coupling & Rubber washer/Nuts/Bolts as per site requirement ( JINDAL/ SURYA PRAKASH)

P/F of 50 mm dia. G I B class pipe as per IS-1239/IS-3589 fitted with Socket/MS flanges/coupling & Rubber washer/Nuts/Bolts as per site requirement JINDAL/ SURYA PRAKASH)

M S PIPE P/F of 100mm dia.MS B Class pipe as per IS-1239/IS-3589 to be provided MS Flanges, Nuts/Bolts washers as per site requirement. TATA/JINDAL Make

P/F of 80mm dia.MS B Class pipe as per IS-1239/IS-3589 to be provided MS Flanges, Nuts/Bolts washers as per site requirement. TATA/JINDAL Make

P/F of 65mm dia.MS B Class pipe as per IS-1239/IS-3589 to be provided MS Flanges, Nuts/Bolts washers as per site requirement. TATA/JINDAL Make

VALVES; Providing/Fitting of the 150mm dia. Non rising Stem Cast Iron/DI PN10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valves to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar/ any ISI Mark reputed make only.

Providing/Fitting of the 125mm dia. Non rising Stem Cast Iron/ Ductile Iron PN 10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valves to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/ Kartar Any ISI Markreputed make only

Providing/Fitting of the 100mm dia. Non rising Stem Cast Iron/ Ductile Iron PN 10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valve to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/ Kartar Any ISI Markreputed make onlyreputed make only

Providing/Fitting of the 80mm dia. Non rising Stem Cast Iron PN10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valve to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/ Kartar Any ISI Markreputed make onlyreputed make.

Providing/Fitting of the 65mm dia. Non rising Stem Cast Iron PN 10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valves to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make onlyreputed makereputed make.

Providing/Fitting of the 50mm dia. Non rising Stem Cast Iron PN10/16, IS 14846, CI Body, Wedge/Bronze rings/SS 410 shaft construction flanged end Sluice valves to be fitted having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make onlyreputed makereputed make.

Providing/Fitting of the 150mm dia. swing type Cast Iron/Ductile Iron PN1.6, IS 14846, CI Body, Wedge/Bronze rings/SS 410 Hing pin construction flanged end Non Return Valve having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/reputed make only.

Providing/Fitting of the 125mm dia. Swing type Cast Iron PN1.0/1.6, IS 5312, CI Body, Door/Bronze to rubber rings/SS 410 shaft construction flanged end Sluice valves (02 No) to be fitted in the twin 100mm dia. GI rising main line having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make onlyreputed makereputed make only

Providing/Fitting of the 100mm dia. Swing type Cast Iron PN1.0/1.6, IS 5312, CI Body, Door/Bronze to Rubber rings/SS 410 Hing pin construction flanged end Non return valves having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/reputed make only

Providing/Fitting of the 80mm dia. Swing type Cast Iron PN 1.0/1.6, IS 5312, CI Body, Door/Bronze to Rubber rings/SS 410 Hing pin construction flanged end Sluice valves (02 No) to be fitted in the twin 100mm dia. GI rising main line having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make only

Providing/Fitting of the 65mm dia. Swing type Cast Iron PN 1.0/1.6, IS 5312, CI Body, Door/Bronze rings/SS 410 Hing Pin construction flanged end Non return valves having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make only.

) Providing/Fitting of the 50mm dia. Swing type Cast Iron PN1.0/1.6, IS 5312, CI Body, Door/Bronze to Rubber rings/SS 410 Hing Pin construction flanged end Non return valves having matching flanges as per IS 1538, Rubber gasket & Nuts/Bolts of Kirloskar/Kartar Any ISI Markreputed make only

AIR RELEASE VALVE; Providing/Fitting of the 25mm CI Air release valve as per IS 14845 single orifice of Duret or any ISI mark reputed make.

Providing/Fitting of the 40mm CI Air release valve as per IS 14845 Double orifice Duret or any ISI mark reputed make.

Providing/Fitting of the 50mm CI Air release valve as per IS 14845 double orifice Duret or any ISI mark reputed make.

PRESSURE GAUGES;Providing/Fitting of the water pressure Gauge having 2” dial SS Body of reputed make only capable of reading from (0-100) psi with 1/4” female hose thread adaptor with clear easy to read display to be installed at various WSS

Providing/Fitting of the water pressure Gauge having 4” dial SS Body of reputed make only capable of reading from 0-200) psi with 3/4” female hose thread adaptor with clear easy to read display to be installed at various WSS.

Flow meter:-12mm dia. Gun Metal Flow meter.

Flow meter:-19mm dia. Gun Metal Flow meter.

Flow meter:-25mm dia. Gun Metal Flow meter.

Flow meter:-40mm dia. Gun Metal Flow meter.

Flow meter:-50mm dia. Gun Metal Flow meter.

Annexure “D” Repairs of Submersible Pumps; Repairs of 5000GPHx60M Head; Shifting of the damaged pump assembly to the workshop by means of the private transport for conducting the necessary repairs & replacements to the unit by way of;

Dismantling/of the pump assembly & extraction of the Impellar shaft along with impellar bowl assemblies.

Fabrication/ fitting of the Stain less Steel axial bushes as per sample.

Fabrication/Fitting of the SS impellar/runner Shaft assembly as per sample.

Fabrication of the SS solid pump shaft of 1000mm length, 40mm dia. , its fabrication by way of turning/finishing of the SS Solid bar on lathe machine by way of turning/finishing of the same on lathe machine as per sample

Repairs to the Impellar by way of vane straightening, welding, impellar bore, reboring & P/F of the new seals, o-rings along with impellar wear ring. The job includes repairs to the impellar by way of welding, plating, machining & grinding.

P/F of the Submersible Carbon thrust bearing set

Fabrication/Fitting of the cotter pin Assembling the whole pump along with duly provided parts & testing of the same on full load at site

Repairs of Horizontal Pumps 8000GPHx65M Head ; Dismantling & Shifting of the Horizontal Pump Assembly from common base frame & shifting by means of private mechanical transport to the nearby workshop for conducting the necessary repairs/ replacements of the damaged parts & assemblies;

Fabrication of the SS solid pump shaft of 1000mm length, 50mm dia. , its fabrication by way of turning/finishing of the SS Solid bar on lathe machine by way of turning/finishing of the same on lathe machine as per sample. The job includes Fabrication of key ways/ cotter pin

Rebuilding of its bearing seats & Fabrication of SS sleeve of length 150mm on one side out of solid SS Bar.

Providing/fabrication/fitting of the stainless steel chuck nuts as ID 50mm OD 65mm & length 30mm.

Providing/Fitting of ball bearing set 6307

Providing/Fitting of ball bearing set 6308

Fabrication/Fitting of GM Gland as per sample. The job includes Refitting of the unit & its full load testing at site

Repairs of Horizontal Pumps 12000GPHx65M Head Dismantling & Shifting of the Horizontal Pump Assembly from common base frame & shifting by means of private mechanical transport to the nearby workshop for conducting the necessary repairs/ replacements of the damaged parts & assemblies;

Fabrication of the Stain less Steel solid pump shaft of 1200mm length, 65mm dia. out of suitable size SS Steel Bar, its fabrication by way of turning/finishing of the SS Solid bar by way of turning/finishing on lathe machine as per sample. The job includes fabrication of key ways & appropriate size grooves as per sample.

Rebuilding of its bearing seats & sleeve of length 175mm on one side out of solid SS rod.

Providing/fabrication/fitting of the stainless steel chuck nuts of ID 60mm OD 80mm & of length as per sample.

Fabrication/Fitting of GM Gland as per sample.

Providing/Fitting of ball bearing set 6307

Providing/Fitting of ball bearing set 6308

Providing/Fitting of ball bearing set 6309, The job includes Refitting of the unit & its full load testing at site

P/I/T/Commissioning of the 60LPMx60M Head Bore well Submersible pumping unit to be installed in 150/100mm Bore well. The job includes the control panel & other allied accessories for its installation.

ANNEXURE E" Providing/Applying of Gland packing of various sizes; a) Palmate gland packing of 8mm thick

Palmate gland packing of 10mm thick

Palmate gland packing of 12mm thick

Palmate gland packing of 16mm thick

Providing/Fitting of T C Couplings for various station of different sizes;

Providing/Fitting of TC-9

Providing/Fitting of TC-11

Providing/Fitting of TC-13

Providing of Rubber Imsertion Cloth to be used as Washers in Rising main & distribution Network;

Rubber Insertion Cloth

Rubber Washers of different sizes

Providing of Antifriction High grade Grease

ANNEXURE "F" Providing/Fitting of Deep Groove Ball Bearings & Taper Roller Bearings;

Providing/Fitting of 6202-Z Ball Bearing

Providing/Fitting of 6203-Z Ball Bearing

Providing/Fitting of 6204-Z Ball Bearing

Providing/Fitting of 6206-Z Ball Bearing

Providing/Fitting of 6207- NR Ball Bearing

Providing/Fitting of 6208-2Z Ball Bearing

Providing/Fitting of 6307-2Z Ball Bearing

Providing/Fitting of 6308-2Z Ball Bearing

Providing/Fitting of 6309-2Z Ball/Roller Bearing

Providing/Fitting of 6310-2Z Ball/Roller Bearing

Providing/Fitting of 6311-Z Roller Bearing

Providing/Fitting of of 6312-2Z Roller Bearing

M/S GERMAN MECH ELECTRO ENGG

M/S FAROOQ AHMAD MECHINICAL WORKS