REPAIR/MAINT OF WATER SUPPLY INSTALLATIONS, PUMP/MOTORS WITH ALLIED SERVICES AND CLEANING OF OH TANKS/IUG SUMPS AT BASISTHA AREA UNDER GE GUWAHATI

Amount

Taking down defective burnt out electric driven centrifugal pump/motor (Make- Kirlosker) of capacity 125 HP working on 3 phase, 440 volts 50 Hz, duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No.(size of letters as ordered) after and including preparation of old painted surfaces including testing and commissioning complete all as specified and as directed. Note:- New spare as specified shall be measured and paid separately as 'supply only' under following items:

Supply only Impeller first Stage, Cat Part No.157 complete all as specified and as directed.

Supply only Impeller Second Stage, Cat Part No.158 complete all as specified and as directed.

Supply only S S Shaft, Cat Part No.180 complete all as specified and as directed.

Supply only Ball Bearing DE, Cat Part No. 260 complete all as specified and as directed.

Supply only Ball Bearing NDE ,Cat Part No. 263 complete all as specified and as directed.

Supply only Key for Impeller & Shaft, Cat Part No. 320 complete all as specified and as directed.

Supply only Key for Coupling, Cat Part No. 321 complete all as specified and as directed.

Supply only Fine threaded MS Nuts & Bolts of size 5" Long & 3/4" dia complete all as specified and as directed.

Supply only Gasket Set for 125 HP Pump Set complete all as specified and as directed.

Taking down defective burnt out electric driven centrifugal pump/motor (Make- Kirlosker) of capacity 40 HP working on 3 phase, 440 volts 50 Hz, duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No.(size of letters as ordered) after and including preparation of old painted surfaces including testing and commissioning complete all as specified and as directed. Note:- New spare as specified shall be measured and paid separately as 'supply only' under following items:

Supply only Bearing DE complete all as specified and as directed.

Supply only Bearing NDE complete all as specified and as directed.

Supply only PVC Cooling fan suitable for motor complete all as specified and as directed.

Supply only CI Impeller suitable for Pump Set complete all as specified and as directed.

Supply only Pump Shaft complete all as specified and as directed.

Supply only Shaft sleeve Nut complete all as specified and as directed.

Supply only Split Gland complete all as specified and as directed.

Supply only CI Gland flange complete all as specified and as directed.

Supply only Shaft coupling bolts with rubber bush complete all as specified and as directed.

Supply only Set of Key complete all as specified and as directed.

Taking down defective burnt out electric driven centrifugal pump/motor (Make- Kirlosker) of capacity 25 to 30 HP working on 3 phase, 440 volts 50 Hz, duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour,writing SM/MES No.(size of letters as ordered) after and including preparation of old painted surfaces including testing and commissioning complete all as specified and as directed. Note:- New spare as specified shall be measured and paid separately as 'supply only' under following items:

Supply only Pump Shaft complete all as specified and as directed.

Supply only DE bearing suitable for 25 to 30 HP pump set complete all as specified and as directed

Supply only NDE bearing suitable for 25 to 30 HP pump set complete all as specified and as directed

Supply only Shaft sleeve Nut complete all as specified and as directed.

Supply only Split Gland complete all as specified and as directed.

Supply only CI Gland flange complete all as specified and as directed.

Supply only Shaft coupling bolts with rubber bush complete all as specified and as directed.

Supply only Set of Key complete all as specified and as directed.

Taking down defective burnt out electric driven centrifugal pump/motor (Make- Kirlosker) of capacity 5 to 10 HP working on 3 phase, 440 volts 50 Hz, duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No.(size of letters as ordered) after and including preparation of old painted surfaces including testing and commissioning complete all as specified and as directed. Note:- New spare as specified shall be measured and paid separately as 'supply only' under following items:

Supply only Bearing DE complete all as specified and as directed.

Supply only Bearing NDE complete all as specified and as directed.

Supply only PVC Cooling Fan suitable for pump set 10 HP motor complete all as specified and as directed.

Supply only Casing wear ring complete all as specified and as directed.

Supply only Bearing Cover complete all as specified and as directed.

Supply only Pump Shaft complete all as specified and as directed.

Supply only Set of Key complete all as specified and as directed.

Supply and fixing in repair, Fully Automatic Star-delta starter, 35 HP, complete all as specified and directed.

Supply and fixing in repair, Fully Automatic Star-delta starter, 25 HP, complete all as specified and directed.

Supply and fixing in repair, Fully Automatic Star-delta starter, 10 HP, complete all as specified and directed.

Supply and fixing in repair, DOL starter, 7.5 HP, complete all as specified and directed.

Supply and fixing in repair, MCCB, 100 Amps, 25 KA, 415 Volts, 4 Pole with adjustable thermal & adjustable magnetic setting complete as specified and as directed.

Cleaning of RCC OHT of 20 mtr staging height at Main pump house Basishta, capacity 1,00,000 Gallons, using following stages cleaning process including arrangement of necessary T&P, labour and Chemicals etc before starting process of cleaning complete all as specified and as directed. (a) Mechanized Dewatering (b) Sludge Removal (c) High Pressure Cleaning (d) Vaccum cleaning (e) Antibacterial spray (f) UV radiation. (g) Painting two coats of black bituminous paint on internal surface of Over Head water reservoir after cleaning the tank. Note:- (i) The entire work shall be carried out by well experienced personnel/firms having experience of similar nature of work. (ii) Entire T&P and all Safety measures during the work shall be arranged by the contractor at his own cost. (iii) "Date of cleaning" shall be written over the outer surface at appropriate level to be decided by Engineer-in-charge with synthetic enamel paint of letters not less than 100mm height and the cost of the same shall be deemed to be included in the quoted unit rate of the contractor.

Cleaning of RCC OHT of 20 mtr staging height at Main pump house Basishta, capacity 76,000 Gallons, using following stages cleaning process including arrangement of necessary T&P, labour and Chemicals etc before starting process of cleaning complete all as specified and as directed. (a) Mechanized Dewatering (b) Sludge Removal (c) High Pressure Cleaning (d) Vaccum cleaning (e) Antibacterial spray (f) UV radiation. (g) Painting two coats of black bituminous paint on internal surface of Over Head water reservoir after cleaning the tank. Note:- (i) The entire work shall be carried out by well experienced personnel/firms having experience of similar nature of work. (ii) Entire T&P and all Safety measures during the work shall be arranged by the contractor at his own cost. (iii) "Date of cleaning" shall be written over the outer surface at appropriate level to be decided by Engineer-in-charge with synthetic enamel paint of letters not less than 100mm height and the cost of the same shall be deemed to be included in the quoted unit rate of the contractor.

Cleaning of RCC OHT of 20 mtr staging height in MAP Qtrs Basishta, capacity 18,000 Gallons, using following stages cleaning process including arrangement of necessary T&P, labour and Chemicals etc before starting process of cleaning complete all as specified and as directed. (a) Mechanized Dewatering (b) Sludge Removal (c) High Pressure Cleaning (d) Vaccum cleaning (e) Antibacterial spray (f) UV radiation. (g) Painting two coats of black bituminous paint on internal surface of Over Head water reservoir after cleaning the tank. Note:- (i) The entire work shall be carried out by well experienced personnel/firms having experience of similar nature of work. (ii) Entire T&P and all Safety measures during the work shall be arranged by the contractor at his own cost. (iii) "Date of cleaning" shall be written over the outer surface at appropriate level to be decided by Engineer-in-charge with synthetic enamel paint of letters not less than 100mm height and the cost of the same shall be deemed to be included in the quoted unit rate of the contractor.

Cleaning of RCC Semi Under Ground Sump at Main Pump house Basishta, capacity 1,50,000 Gallons, using following stages cleaning process including arrangement of necessary T&P, labour and Chemicals etc before starting process of cleaning complete all as specified and as directed. (a) Mechanized Dewatering (b) Sludge Removal (c) High Pressure Cleaning (d) Vaccum cleaning (e) Antibacterial spray (f) UV radiation. (g) Painting two coats of black bituminous paint on internal surface of Semi UG sump after cleaning the tank. Note:- (i) The entire work shall be carried out by well experienced personnel/firms having experience of similar nature of work. (ii) Entire T&P and all Safety measures during the work shall be arranged by the contractor at his own cost. (iii) "Date of cleaning" shall be written over the outer surface at appropriate level to be decided by Engineer-in-charge with synthetic enamel paint of letters not less than 100mm height and the cost of the same shall be deemed to be included in the quoted unit rate of the contractor.

Cleaning of RCC Semi Under Ground Sump at Main Pump house Basishta, capacity 1,00,000 Gallons, using following stages cleaning process including arrangement of necessary T&P, labour and Chemicals etc before starting process of cleaning complete all as specified and as directed. (a) Mechanized Dewatering (b) Sludge Removal (c) High Pressure Cleaning (d) Vaccum cleaning (e) Antibacterial spray (f) UV radiation. (g) Painting two coats of black bituminous paint on internal surface of Semi UG sump after cleaning the tank. Note:- (i) The entire work shall be carried out by well experienced personnel/firms having experience of similar nature of work. (ii) Entire T&P and all Safety measures during the work shall be arranged by the contractor at his own cost. (iii) "Date of cleaning" shall be written over the outer surface at appropriate level to be decided by Engineer-in-charge with synthetic enamel paint of letters not less than 100mm height and the cost of the same shall be deemed to be included in the quoted unit rate of the contractor.

Supply and fixing in repair 200 mm bore cast iron flanged & drilled both ends sluice valve, (ISI marked) long body type, conforming to IS 14846-2000; Class PN-1.6 with iron wheel head & brass spindle including all jointing materials and mild steel nuts, bolts, washers, rubber / fibre board gaskets etc and testing complete all as specified & directed.

Supply and fixing in repair 150 mm bore cast iron flanged & drilled both ends sluice valve, (ISI marked) long body type, conforming to IS 14846-2000; Class PN-1.6 with iron wheel head & brass spindle including all jointing materials and mild steel nuts, bolts, washers, rubber / fibre board gaskets etc and testing complete all as specified & directed.

Supply and fixing in repair CI Reflux/ Non Return valve single door pattern with flanged ends PN-1.6 confirming to IS: 5312, ISI marked of size 100mm dia bore with bypass arrange ment including all fixing accessoriestype Cast iron flanged end with nuts, rubber gasket, bolts (full threaded), nuts & washers complete all as specified and as directed.

Supply and fixing in repair CI Reflux/ Non Return valve single door pattern with flanged ends PN-1.6 confirming to IS: 5312, ISI marked of size 200mm dia bore with bypass arrange ment including all fixing accessoriestype Cast iron flanged end with nuts, rubber gasket, bolts (full threaded), nuts & washers complete all as specified and as directed.

Supply and fixing in repair CI Foot valve of size 100 mm bore with gun metal working parts complying with IS:4038 heavy duty, flanged end including rubber/fibre board insertion gasket joints, nuts, bolts & washers complete all as specified and as directed.

Supply and fixing in repair CI Foot valve of size 150 mm bore with gun metal working parts complying with IS:4038 heavy duty, flanged end including rubber/fibre board insertion gasket joints, nuts, bolts & washers complete all as specified and as directed.

Supply and fixing in repair CI Foot valve of size 200 mm bore with gun metal working parts complying with IS:4038 heavy duty, flanged end including rubber/fibre board insertion gasket joints, nuts, bolts & washers complete all as specified and as directed.

Supply and fixing 20 mm bore GI pipe medium grade water tube with all fittings laid in trenches complete incl taking down old unsv one all as specified and as directed.

Supply and fixing 25mm bore GI pipe medium grade water tube with all fittings laid in trenches complete all as specified and as directed.

Supply and fixing 40mm bore GI pipe medium grade water tube with all fittings laid in trenches complete all as specified and as directed.

Supply and fixing 50mm bore GI pipe medium grade water tube with all fittings laid in trenches complete all as specified and as directed.

Supply and fixing 80mm bore GI pipe medium grade water tube with all fittings laid in trenches complete all as specified and as directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for taking out / laying pipes etc. and getting out, in soft/loose soil, complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. in soft/loose soil, complete all as specified and as directed.

Removing excavated material, soils, n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and directed.

Supply and fixing in repair, 50mm bore Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fixing in repair, 40mm bore Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fixing in repair, 25mm bore Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fixing in repair, 20mm bore Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fixing in repair, 20mm bore Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

Supply and fixing in repair, 25mm bore Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

SHANKAR ENTERPRISE (BID ID -3099111)

S. R. TRADING (BID ID -3101365)

TONMOY DAS (BID ID -3101284)

M/s JK Jangid and Company (BID ID -3101935)

M/S K NATH AND CO. (BID ID -3101429)

Goswami Traders (BID ID -3101053)

M/S SEWAK SINGH (BID ID -3102216)