R EPAIR/REPLACEMENT OF EXTERNAL WATER SUPPLY WORKS INCL REPAIR TO VALVE PITS, CLEANING OF UG SUMP REPAIRS TO PUMP MOTOR AT BMC UNDER GE (CENTRAL) KOLKATA

Amount

Excavation in trenches not exc. 1.5 Metre wide and not exc. 1.50 Metre in depth for foundation etc. or for shafts, wells, cess pits, manholes, pier holes etc. not exc. 10 Sqm on plan and not exc. 1.50 Metre in depth and getting out as 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 as in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Material (Soil) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed.

Taking up / down the following size of water mains and connections/fittings of any type from trenches/ walls / floors (of any location) for replacement / re-use in old / new location/diversion complete all as specified and directed by the Engr-in-Charge. Note: Necessary earthwork, if any , will be measured and paid separately under relevant items (a) Bore size 150 mm

Bore size 100 mm

Bore size 80 mm

Bore size 50 mm

Bore size 40 mm

Bore size 25 mm

Bore size 20 mm

Supply and Laying Steel Water Tubing 150mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 100mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 80mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 25mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 20mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 150mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 100mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 80mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 50mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 40mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 25mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 20mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Supply, laying and testing 150 mm bore CI water mains with flanged ends,centrifugally cast of class 'LA' in any length, laid in trenches complete all as specified and directed . Note : Necessary earth-work to be measured and paid separately under relevant items.

Supply, laying and testing 100 mm bore CI water mains with flanged ends,centrifugally cast of class 'LA' in any length, laid in trenches complete all as specified and directed . Note : Necessary earth-work to be measured and paid separately under relevant items.

Supply, laying, connecting and testing of ductile iron pipe 150 DN with spigot and socket ends class K-9 in standard working length conforming to IS-8329-2000 laid in trenches as in repair complete all as specified and directed.

Supply, laying, connecting and testing of ductile iron pipe 100 DN with spigot and socket ends class K-9 in standard working length conforming to IS-8329-2000 laid in trenches as in repair complete all as specified and directed.

Supply and fixing MS pipe 150 mm dia medium grade and fixing the pipes with existing system by cutting welding including fixing of new flanged joints with rubber gasket including nuts,bolts and washer as per site requirements with proper alignment as in repair complete all as specified and directed.

Supply and fixing MS pipe 100 mm dia medium grade and fixing the pipes with existing system by cutting welding including fixing of new flanged joints with rubber gasket including nuts,bolts and washer as per site requirements with proper alignment as in repair complete all as specified and directed.

M&L Run lead joint for CI pipe 200 mm bore including removing old lead complete all as specified and directed.

M&L Run lead joint for CI pipe 150 mm bore including removing old lead complete all as specified and directed.

M&L Run lead joint for CI pipe 100 mm bore including removing old lead complete all as specified and directed.

M&L Cutting drilling and tapinge existing CI/DI water mains in position, for addn/altrn or for taking branch connection/insertion of pipe specials, valve of 150 mm bore pipe complete all as directed by Engineer- in- charge.

S&F Gun metal vertical check valve 200 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F Gun metal vertical check valve 100 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F Gun metal vertical check valve 80 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F Gun metal vertical check valve 50 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F Gun metal vertical check valve 40 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F CI bends, (any type radius & angle) tapers any type (strain out bend) increasing decreasing or double socket etc Tee pieces (single branch) junction double brass cross collars (flanged or socket and spigot suitable for 150 mm DI/CI pipe) etc. after taking out old UNSV one complete all as specified and as directed.

S&F Cast Iron Sluice valve of 250 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Supply and fix Cast Iron Sluice valve of 200 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Sluice valve of 150 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Supply and fix Cast Iron Sluice valve of 100 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Supply and fix Cast Iron Sluice valve of 80 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Repair to u/s sluice valve 150mm bore by taking out cleaning & derusting with acid washing all the parts after removing from site & replacement of brass spindle, GM lock nuts, gaskets, nuts both & washer etc to make fully serviceable and re-fixing the same in original position including connection complete all as specified and directed. Note : Brass spindle will be measured & paid separately.

Repair to u/s sluice valve 100mm bore by taking out cleaning & derusting with acid washing all the parts after removing from site & replacement of brass spindle, GM lock nuts, gaskets, nuts both & washer etc to make fully serviceable and re-fixing the same in original position including connection complete all as specified and directed. Note : Brass spindle will be measured & paid separately.

Supply only brass spindle suitable for 150mm bore sluice valve complete all as specified and directed.

All as per item No.50.00 but suitable for 100mm bore sluice valve complete all as specified and directed.

S&F 150mm bore Cast iron non return valve double flanged (class-'B) high pressure conforming to IS-5312 ete with nuts, bolts & washer gaskets etc including taking down the old unserviceable one complete all as specified and directed.

S&F 100mm bore Cast iron non return valve double flanged (class-'B) high pressure conforming to IS-5312 ete with nuts, bolts & washer gaskets etc including taking down the old unserviceable one complete all as specified and directed.

S&F 100mm bore Gun metal non return valve double flanged (class-'B) high pressure conforming to IS-5312 ete with nuts, bolts & washer gaskets etc including taking down the old unserviceable one complete all as specified and directed.

S&F 65mm bore Cast iron non return valve double flanged (class-'B) high pressure conforming to IS-5312 ete with nuts, bolts & washer gaskets etc including taking down the old unserviceable one complete all as specified and directed.

S&F 50 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 40 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 25 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 20 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 100mm bore Cast Iron butterfly valve, BS-5155 double flanged lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed .

S&F 80mm bore Cast Iron butterfly valve, BS-5155 double flanged lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed .

S&F CI Connecting pieces one end flanged and other socket or spigot and bell mouth pieces one end flanged other endtapering as bell mouth after taking out old UNSV one complete all as specified and as directed.

Material and Labour Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity 10/15 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as specified and directed by Engr-in-Charge.

Lifting and lowering of submersible pump and motor of any capacity from bore well with the help of chain pully including scaffolding and all other necessary arrangement complete all as specified and directed by Engr-in-Charge. Note:- (i) One lifting and one lowering should be measued as one unit. (ii) Replacment of minor spare parts i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer etc. reassembling the pump after routine maintenance of serviceable spares and replacment of spare part shall be measured and paid separately under relevant items of BOQ.

Repairing the submersible pump 12.5/15 HP by cleaning, derusting, and replacment of minor spare parts i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer etc. reassembling the pump after routine maintenance of serviceable spares and replacment of spare parts, testing and commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Supply only Suction Bush

Supply only Stage Casing Bush

Supply only Stainless Steel Shaft

Supply only Stainless Steel Sleeves

Supply only GM Impeller

Supply only Stage casing Ring

Supply only NRV

Supply only Sort piece with flange

Supply only Stainless Steel Nut and Bolt with washer

Supply only MS Nut and bolt with washer

Supply only Rubber Gasket

Material and Labour Rewinding of submersible electric motor AC 3phase 415 volts 50- HZ of capacity 12.5HP/15 HP with water proof PVC insulated copper wire of same specification after removing the old burnt out winding and replacment of bush bearing etc including testing & commissioning complete all as specified and directed by Engr-in-Charge.

M&L Rewinding electric motor submersible pump set, single phase ,415 volts 50- HZ of capacity 5/7.5/10 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding ressembling, re-connecting etc testing & commissioning complete all as specified and directed by Engr-in-Charge.

Lifting of 12.5/15 HP non clogging sewage pump with the help of chain pulley alongwith column pipe after diconnecting of electrical and mechanical connection, Cleaning thoroughly & dismantling 10HP /15 HP non clogging sewage pump assembly complete and taking out unserviceable worn out spares overhauling the serviceable spares by derusting, machining and repalcement of minor spares like collaring Impellar key, oil tube gaskets nuts, & bolts with washer re-asembling the pump testing commissioning complete after lowering of pump set complete all as directed by Engr-in-Charge. (Spare parts to be measured and paid seperately)

Supply and fixing only Spares for 15 HP non clogging sewage pump (a) Angular contact bearing

Impeller CI

Line shaft SS

CI collar ring

Bowl Assembly

GI column pipe 3m long both end flange.

Retainer Bearing

Saft sleevs SS

MS Suporting clamp

Oil Lubricating Pipe

Brass Oil Lubricating Pot

S&F Water pressure gauge 100mm dia in the main line of pump including necessary dirlling welding, taping/Threading of existing line etc with taking out unserviceable one complte all as specified directed by Engr-in-Charge.

Leakage detection in GI water mains upto 150mm bore and necessary repairs including cutting, threading for addition/alteration and insertion necessary of fittings like tee,elbow, branches pieces etc complete all as directed by the Engr-in-Charge.

M&L for Construction of brick masonary valve pit chamber of size 1050x1050x1050mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed and directed.

Repairs Panel board for pump of any size/ any type by disconnecting and taking out old unserviceable wires and spare parts and rewiring the same with same size of copper wire, replacment of nut & bolts with washers,cleaning with blower, painting with one coat of synthetic enamel painting of existing colour including necessary preparation of surfaces including testing and commisioning complete all as specified and directed by Engr-in-Charge. Note:- Any other Electrical fittings connecting to panel board should be measured and paid separately.

Supply and fix Fully automatic star delta starter with steel enclosure AC 3 phase, 415 volt 50-60 Hz, type MN-25F relay range 14-23 Amps suitable for 30 HP pump motor set fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat Part No.SS94364,C&S-BE3-D3235N322 or equivalent make of Schneider / Siemens / ABB.etc as specified in the particular specification.

Supply and fix Fully automatic star delta starter with steel enclosure AC 3 phase, 415 volt 50-60 Hz, type ML-1.5F relay range 20-32Amps fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat Part No.SS90705 or equivalent make of Schneider / Siemens / ABB. / C&S etc as specified in the particular specification.

Supply and fix Fully automatic star delta starter with steel enclosure AC 3 phase, 415 volt 50-60 Hz, type ML-2.0F relay range 20-32Amps fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat Part No.SS91855 or equivalent make of Schneider / Siemens / ABB/C&S etc as specified in the particular specification.

Supply and fix 3 pole Power Contactor type ML-4, 32A capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat No SS90910 or equivalent make of Schneider / Siemens / ABB./C&S etc as specified in the particular specification.

Supply and fix 3 pole Power Contactor type ML-3, 32A capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat No SS90721, C&S-TC1D4011EN5+TA-DN11or equivalent make of Schneider / Siemens / ABB.etc as specified in the particular specification.

Supply and fix 3 pole Power Contactor type ML-2, 32A capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat No SS90701, C&S-TC1D3210EN5+TAI-DN13 or equivalent make of Schneider / Siemens / ABB.etc as specified in the particular specification.

Supply and fix 3 pole Power Contactor type ML-1.5, 32A capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat No SS91851, C&S-TC1D2510EN5+TA1-DN22 or equivalent make of Schneider / Siemens / ABB.etc as specified in the particular specification.

Supply and fix DOL starter suitable for upto 5 HP motor, 3phase, 415 Volts, fixing on existing LT panel board complete all as specified and as directed.

Supply and fix Electronic timer ET-100/ST-100, 415 V, 50 Hz fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L&T Cat No ST80329OOOO or equivalent make of Schneider / Siemens / ABB.etc as specified in the particular specification.

Supply and fix Single Phase stater relay range 11-18 amps fixing on existing LT panel board including taking down old one complete all as specified and as directed. Make:- L & T Cat No XM81809OOOO or equivalent make of Schneider / Siemens / ABB.etc

Supply and fix PVC insulated round sheathed , copper conductor flexible ,industrial cable 3 core 6.0 sqmm suitable for pump/motor set, 1100 volts grade conforming to IS-694 including taking out the old unserviceable one complete all as specified and directed.

Supply and fix PVC insulated round sheathed , copper conductor flexible ,industrial cable 3 core 4.0 sqmm suitable for pump/motor set, 1100 volts grade conforming to IS-694 including taking out the old unserviceable one complete all as specified and directed.

Dismantling the channel base and taking out the pump & motor of capacity 5/7.5/10/12.5 HP AC 3 phase 415 volt disconnecting the pump motor, opening the pump, cleaning derusting thoroughly, machining inside body of the pump & repairing by replacement collar rings, gaskets, Impeller locknuts, shaft key etc re-assembling the pump including installtion & testing commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Stainless Steel Shaft

Brass Impeller

Gun metal Bush

Pump Bearing

Motor Bearing

Coupling pulley of Pump motor

Dismantling the channel base and taking out the pump & motor of capacity 15/20 HP AC 3 phase 415 volt disconnecting the pump motor, opening the pump, cleaning derusting thoroughly, machining inside body of the pump & repairing by replacement collar rings, gaskets, Impeller locknuts, shaft key etc re-assembling the pump including installtion & testing commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Stainless Steel Shaft

Brass Impeller

Gun metal Bush

Pump Bearing

Motor Bearing

Coupling pulley of Pump motor

Dismantling the channel base and taking out the pump & motor of capacity 30 HP AC 3 phase 415 volt disconnecting the pump motor, opening the pump, cleaning derusting thoroughly, machining inside body of the pump & repairing by replacement collar rings, gaskets, Impeller locknuts, shaft key etc re-assembling the pump including installtion & testing commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Stainless Steel Shaft

Brass Impeller

Gun metal Bush

Pump Bearing

Motor Bearing

Coupling pulley of Pump motor

Dismantling the channel base and taking out the pump & motor of capacity 75 HP AC 3 phase 415 volt disconnecting the pump motor, opening the pump, cleaning derusting thoroughly, machining inside body of the pump & repairing by replacement collar rings, gaskets, Impeller locknuts, shaft key etc re-assembling the pump including installtion & testing commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Stainless Steel Shaft

Brass Impeller

Gun metal Bush

Pump Bearing

Motor Bearing

Coupling pulley of Pump motor

Material and Labour Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity 15/20 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as specified and directed by Engr-in-Charge.

Material and Labour Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity 75 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as specified and directed by Engr-in-Charge.

Supply and fixing mano block centrifugal pump of capacity 1HP singla phse 50HZ having suction /discharge 25/25, head 12-28 mtrs 3000m flow rate 38-85 LPM including necessary foundation work testing & commissioning including taking down old one complete all as specified and directed by Engr-in-Charge.

Material and Labour Cutting PCC foundation for taking out the channel base replacing the same with new channel base complete foundation with PCC 1:4:8 D2 type, using 40mm graded crushed stone aggregate and fixed the pump and motor with grouting bolt of 9'' long -4Nos complete all as specifed and directed by Engr-in-Charge.

Disconnecting the 0.5/1/2 HP unserviceable pump set for servicing , rewinding incl overhauling by replacement of bush bearing of motor/pump and refixing the same after testing & commissioning complete all specified and as directed by Engr-in-Charge.

M&L Plain cement concrete 1:2:4 type B2 (using 40mm graded crushed stone aggregate) as in foundation filling mass concrete etc complete all as specified and directed.

Supply only calcium based granular disinfectant for water treatment, (Chlorine 65%- 70%,) complete all as directed by Engineer-in-Charge. Make : Aquafit / ALTOCH GP/Chlorotech-90,

Supply and fixing bearing for pump or motor No. (6805)/(6808)/(6809), complete all as directed by Engineer-in-Charge. Make : SKF or equivalent.

Supply and fixing bearing for pump or motor No. (6504)/(6506)/(6507), complete all as directed by Engineer-in-Charge. Make : SKF or equivalent.

Supply and fixing bearing for pump or motor No. (6208),complete all as directed by Engineer-in-Charge. Make : SKF or equivalent.

De-watering of existing RCC UG water sump size 150000 Gln capacity at 80 feet staging cleaning the overhead tank with wire brush,cloth ,bleaching powder,removing alll dirt scale from tank and from mouths of circulating pipes etc through drain pipe or by manually including writing with white paint in tank wall as "TANK CLEANED ON" with date ,month and year with a minimum 10 CM height capital lettrs/numbers and conducting all connections (if any) after cleaning and testing at different multi-storeyed buildings at BM camp complete all as specified and directed by Engineer-In-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system. (b) Cleaning all the algae formation insied the tank by using a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c) Fresh water cleaning by high speed jet pump (d) first bacteria screening is desertification by using a govt laboratory certified branded halogen compound. (e) Cleaning of the floor of the water tank by industrial vacuum cleaner. (f) The second bacteria screening and sterlizing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Cleaning the third bacteria screening and sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent.

All as per item No 145.00 here-in-before but UG capacity upto100000 Gln.

All as per item No145.00 here-in-before but UG sump capacity upto 50000 Gln.

All as per item No 145.00 here-in-before but UG capacity upto 25000 Gln.

All as per item No 145.00 here-in-before but UG capacity upto 20000 Gln.

All as per item No 145.00 here-in-before but UG capacity upto 10000 Gln.

De-watering of existing RCC OH water tank size 100000 Gln capacity at 80 feet staging cleaning the overhead tank with wire brush,cloth ,bleaching powder,removing all dirt scale from tank and from mouths of circulating pipes etc through drain pipe or by manually including writing with white paint in tank wall as "TANK CLEANED ON" with date ,month and year with a minimum 10 CM height capital lettrs/numbers and conducting all connections (if any) after cleaning and testing at different multi-storeyed buildings at BM camp complete all as specified and directed by Engineer-In-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system. (b) Cleaning all the algae formation insied the tank by using a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c) Fresh water cleaning by high speed jet pump (d) first bacteria screening is desertification by using a govt laboratory certified branded halogen compound. (e) Cleaning of the floor of the water tank by industrial vacuum cleaner. (f) The second bacteria screening and sterlizing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Cleaning the third bacteria screening and sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent.

Cleanning of PVC water tank of capacity exc 500 ltrs & n.exc 1000 ltrs by taking down existing inlet and outlet pipes setting aside the tank and cleaning rubbing down and removing all scales and dirt mud and any other foreign materials etc from inside and outside the tank with bleaching powder and refixing the tank in its original position and inlet outlet pipe including writing letter on PVC tank as 'TANK CLEANED ON---------'complete all as specified and directed by Engr-in-charge.

All as per item No 152.00 here in before but capacity from 1000 to 2000 Ltrs

All as per item No152.00 here in before but capacity from 2000 to 5000 Ltrs

De-watering of existing RCC open water sump for fountain cleaning the tank with wire brush,cloth ,bleaching powder,removing alll dirt scale from tank through water pump or by manually Including repairs and replacement of brass nozales,Including scraping of old painted existing surface for painting with one coat of Red oxide and Sky blue paint suitable for fountains pipeline, pump motor etc complete all as directed by Engr-in-Charge.

Opening of the first top cover from the sump and pumping out all dirt water from sewage sump,Blocking the sewage line to sump providing jute bags at first manhole and cleaning the sump thoroughly with the help of wire brush after removing the sludge/silt and other foreign materials complete removing the blockage from sump complete of any capacity including removing the sludge from the pump house premises and depositing away from cantonment area complete all as specified and directed by Engineer-In-Charge.

Supply of bleaching powder of approved quality for cleaniang /washing the balanceing time, areation tower during descanning , refillling of fresh water in interval as directed by Engr-in-Charge for better cleaningness of valancing tank/areation tower are indicated places completed all as specified and directed.

Taking down sample of raw water/tap water from pump house and getting tested from directctorete of PHED office by collection of sample of pump houses for physical/chemical/bactorigioncal analysis, report shall be submitted to engineer in charge.

Supply of laying UPVC pipe of pressure rating 10 KG per Sqcm of dia 20mm with all tube fitting (such is bend, elbow , tees, of medium grade, connector, caps, plug and union etc). Laying in trenches / duct /floor in also cutting pipes screwing and for making bend on pipeing as required after taking down old pipe complected all as specifeid and directed.

Supply of laying UPVC pipe of pressure rating 10 KG per Sqcm of dia 25mm with all tube fitting (such is bend, elbow , tees, of medium grade, connector, caps, plug and union etc). Laying in trenches / duct /floor in also cutting pipes screwing and for making bend on pipeing as required after taking down old pipe complected all as specifeid and directed.

M&L for gland packing of suitable size to the existing motor all as specified and directed by Engr-in-Charge.

R T BUILDERS

SANTOSH INTERNATIONAL

INDIA ELECTRICAL EQUIPMENTS

Globe Electricals

NUPUR CONSTRUCTION