REPAIR/MAINT TO WATER SUPPLY INSTALLATION PUMPS/MOTORS WITH ALLIED SERVICES AND CLEANING OF OH TANKS/UG SUMPS AT BASISTHA AREA UNDER GE GUWAHATI

Amount

Taking out defective burnt out electric driven centrifugal motor (Make- GEC) of capacity 125 HP working on 3 phase, 440 volts 50Hz 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 testing and commissioning complete all as required and as directed.

Supply only Impeller first Stage, Cat Part No. 157

Supply only Impeller Second Stage, Cat Part No. 158

Supply only S S Shaft, Cat Part No. 180

Supply only Ball Bearing DE, Cat Part No. – 260

Supply only Ball Bearing NDE ,Cat Part No. - 263

Supply only Key for Impeller & Shaft, Cat Part No. 320

Supply only Key for Coupling, Cat Part No. 321

Supply only Fine threaded MS Nuts & Bolts of size 5" Long & 3/4" dia

Supply only Gasket Set for 125 HP Pump Set.

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 testing and commissioning complete all as required and as directed. Note:- New spare as required shall be measured and paid separately as 'supply only' under following items:-

Supply only Bearing DE

Supply only Bearing NDE

Supply only PVC Cooling fan suitable for motor

Supply only CI Impeller suitable for Pump Set

Supply only Pump Shaft

Supply only Shaft sleeve Nut

Supply only Split Gland

Supply only CI Gland flange

Supply only Shaft coupling bolts with rubber bush

Supply only Set of Key

All as per item No 1.00 here-in-above but capacity of pump 25 to 30 HP

Supply only Pump Shaft

Supply only DE bearing suitable for 25 to 30 HP pump set.

Supply only NDE bearing suitable for 25 to 30 HP pump set.

Supply only Shaft sleeve Nut

Supply only Split Gland

Supply only CI Gland flange

Supply only Shaft coupling bolts with rubber bush

Supply only Set of Key

All as per item No 1.00 here-in-above but capacity of pump 5 HP to 10 HP

Supply only Bearing DE

Supply only Bearing NDE

Supply only PVC Cooling Fan suitable for pump set 10 HP motor

Supply only Casing wear ring

Supply only Bearing Cover

Supply only Pump Shaft

Supply only Set of Key

S&F, in repair, Fully Automatic Star-delta starter, 40 HP, complete all as specified and directed.

S&F, in repair, Fully Automatic Star-delta starter, 30 HP, complete all as specified and directed.

S&F, in repair, Fully Automatic Star-delta starter, 10 HP, complete all as specified and directed.

S&F, in repair, DOL starter, 7.5 HP, complete all as specified and directed.

Taking out centrifugal pump (Make- Kirlosker) of 125 HP capacity from its foundation duly disconnecting suction and delivery lines, transport the same to authorised civil workshop and back to site after repairs, dismantling, opening and sort out defective spares/parts and cleaning, servicing including greasing, servicing of spares after replacement of defective spares including painting of pump with two coats of synthetic enameled paint as per existing colour after and including preparation of old painted surfaces of pump and re-fixing, mounting the base to its original foundation, testing and commissioning complete all as required and as directed. Note:- New spare as required shall be measured and paid separately as 'supply only' under following items:-

Supply only Impeller first Stage, Cat Part No. 157

Supply only Impeller Second Stage, Cat Part No. 158

Supply only S S Shaft, Cat Part No. 180

Supply only Ball Bearing DE, Cat Part No. – 260

Supply only Ball Bearing NDE ,Cat Part No. - 263

Supply only Key for Impeller & Shaft, Cat Part No. 320

Supply only Key for Coupling, Cat Part No. 321

Supply only Fine threaded MS Nuts & Bolts of size 5" Long & 3/4" dia

Supply only Gasket Set for 125 HP Pump Set.

M&L for taking out centrifugal pump/motor of 125 HP capacity incl taking down all the electrical/mechanical connection including disconnection of pump and motor and taking to the workshop for complete servicing/overhauling and re fixing to its original position including fixing of gland, packing nuts, bolts,washers etc and making all electrical/ mechanical connection with motor and pump and testing on completion complete all as specified and as directed by Engr-in-Charge

All as per item No 10.00 here-in-above but centrifugal pump/motor of capacity 40 HP

All as per item No 10.00 here-in-above but centrifugal pump/motor of capacity 30 HP

All as per item No 10.00 here-in-above but centrifugal pump/motor of capacity 10 HP

All as per item No 10.00 here-in-above but centrifugal pump/motor of capacity 7.5 HP

M&L for painting to centrifugal pump/motor of capacity 125 HP capacity with one coat of synthetic enamel paint as per existing colour after and including preparation of old painted surfaces and mentioning of SM/MES No as per direction of Engr-in-Charge. (Note :- size of letters of SM/MES No shall be approved by Engr-in-Charge)

All as per item No 15.00 here-in-above but centrifugal pump/motor of capacity 40 HP

All as per item No 15.00 here-in-above but centrifugal pump/motor of capacity 30 HP

All as per item No 15.00 here-in-above but centrifugal pump/motor of capacity 10 HP

All as per item No 15.00 here-in-above but centrifugal pump/motor of capacity 7.5 HP

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 mechanize 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 personal/firms having experience of similar nature of work. (ii) Entire T&P and all Safty measure 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 letteres not less than 100mm height and the cost of the same shall be deemed to include in the quoted unit rate of the contractor.

All as per item No 20.00 here-in-above but OHT of capacity 76,000 Gallons,

All as per item No 20.00 here-in-above but OHT of capacity 18,000 Gallons in MAP Qtrs

Cleaning of RCC Semi Uner 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 mechanize 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 personal/firms having experience of similar nature of work. (ii) Entire T&P and all Safty measure 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 letteres not less than 100mm height and the cost of the same shall be deemed to include in the quoted unit rate of the contractor.

All as per item No 23.00 here-in-above but RCC Semi Uner Ground Sump at Main Pump house Basishta, capacity 1,00,000 Gallons

M&L earthing to panel/motor/lightning arrester complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth strip of 25x4mm/connected to copper earth strip of 20x3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point using earth strip of 25x4mm as earth lead all as specified and testing on completion including provision of earth lead protected by 40 mm dia light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earth work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc including taking down old earthing complete all as specified and as directed. Item continues as 25.10

Note : Rate quoted by tenderers shall be deemed to include for following provisions;-[i]. Excavation & earth work in any type of soil including removing of surplus material upto 50 M.[ii]. PCC 1:3:6 type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC 1:2:4 type B1 cover 50x50 cm with 8mm TMT bars @ 10 cm C/C both ways with handles.[iii]. Main earthing lead from earth electrode to test point upto 7.5 mtr.[iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs, charcoal & salt as reqd.[v]. GI protection pipe of size 40 mm bore light grade 7.5m.

M&L for GI pipe of 80 mm dia medium grade including all fittings including taking down old GI pipe complete laid in trenches all as specified and directed.

M&L for GI pipe of 50 mm dia medium grade including all fittings including taking down old GI pipe complete laid in trenches all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for laying of GI pipe and getting out in any type of soil complete all as specified and directed.

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

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

S&F 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.

S&F 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.

S&F in repair 100 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.

S&F in repair 80 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.

S&F in repair Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed of 50 mm dia complete all as specified and directed.

M&L for collection of water samples (Raw/treated) from each water supply installation in sterilised bottle for testing from Govt auth laboratory and submit the report complete all as specified and directed by engr-in-Charge. (Note :- Every water samples (raw/treated) shall be taken seperately and shall be measured and paid sepertely).

S&F in repair Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed of 25 mm diacomplete all as specified and directed.

S&F in repair Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed of 20 mm diacomplete all as specified and directed.

S&F in repair Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed of 15 mm diacomplete all as specified and directed.

S&F in repair foot valvel brass , high pressure, complete, screwed for iron pipe or brass ferrule and fixed of 50 mm dia complete all as specified and directed.

V.V.Construction (BID ID -3354075)

M.G. ENTERPRISE (BID ID -3346139)

KAKWANI BUILDERS (BID ID -3352162)

M/S SEWAK SINGH (BID ID -3345654)

D.B ENTERPRISE (BID ID -3353824)