FLUSHING, CLEANING AND MAINTENANCE OF BOREWELLS AND REPAIR/REPLACEMENT OF PVC/PUF INSULATED WATER STORAGE TANK, DI/GI PIPE FITTINGS AND FIXTURE, GATE VALVES OF DIFFERENT SIZES, LT PANELS, COPPER WIRE OF WATER SUPPLY INSTALLATION AND CONNECTED ITEMS A

Amount

M&L for flushing of borewell complete by using 210 CMF compressor and heavy duty driller machine to deliver the high air pressure at the bottom of the bore well and cleaing/flushing the bore well till the water is become free from any mud and clear for potable complete all as specified and directed by Engineer-in-charge.

Material & labour for replacement of GI column pipe 40 mm dia medium grade, 3 Mtrs in length , both end flanged, including nuts bolts, washer and rubber gaskets etc complete all as speicfied all as specified and directed by Engineer-in-Charge.

Material & labour for replacement of GI column pipe 50 mm dia medium grade, 3 Mtrs in length , both end flanged, including nuts bolts, washer and rubber gaskets etc complete all as speicfied all as specified and directed by Engineer-in-Charge.

M&L for Lifting up and lowering down of defective submersible pump set including motor with suitable T&P and safety precautions of 5HP to 15HP capacity from the bore well along with column pipe including disconnection electric and water supply connection as required and aside for re-use after repair, complete all as specified and directed by Engineer-In-Charge.

M&L for transportation of submersible pump motor set of 5HP to 15HP capacity from the site to nearest civil work shop for necessary repair work and bring back to the same location after carryout the repair, complete all as specified and directed by Engineer-In-Charge. Note :- Spare parts shall be measured and paid seprately.

M&L for dismantling following spare parts of submersible pump and motor and separating the unserviceable parts cleaning the serviceable parts, re-metalling machinery polishing and re-assembling including replacement of old unserviceable parts and necessary painting complete all as specified and directed. Note:- Spare parts shall be measured and paid seprately.

M&L for Rubber 'O' Ring for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Bearing bush (upper) for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Bearing bush (lower) for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Neck ring for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Sleeve for shaft for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Shaft sealing bush for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Impeller for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for key for impeller for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Lock Nut for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Half coupling for pump for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for MS nipple one end heavy duty flanged with four holes and cable entry system or other end machine threaded 100mm dia for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Rubber bushing for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Bush for impeller for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Bowl assembling for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Stainless steel stud for submersible pump set and motor, complete all as specified and directed by Engineer-In-Charge.

M&L for Rewinding of Submersible pump motor with heavy duty ISI marked superior quality water proof rewinding copper wire of suitable gauge for 10 to 15 HP submersible pump set including opening/ dismantling of motor, removing rotor & unserviceable parts, replacement of insulating materials, filling of material on the worn out/undersize spot of shaft by welding or any other process and machining/ grinding or any other process to make the shaft to proper size and assembling & testing on completion all as specified and directed.

M&L for Rewinding of Submersible pump motor with heavy duty ISI marked superior quality water proof rewinding copper wire of suitable gauge for 5 to 7.5 HP submersible pump set including opening/ dismantling of motor, removing rotor & unserviceable parts, replacement of insulating materials, filling of material on the worn out/undersize spot of shaft by welding or any other process and machining/ grinding or any other process to make the shaft to proper size and assembling & testing on completion all as specified and directed.

S&F in replacement of automatic star-delta motor starter in sheet metal enclosure type ML suitable for 3 phase electric motor of capacity upto 10 HP, 3 phase 415V with relay range 10-15 Amps, complete all as specified and directed by Engineer-In-Charge.

M&L for PVC insulated and sheathed multi strandard 3 core 6 sqmm flat 1100 volts grade electric copper submersible cable complete all as specied and directed by Engineer-in-Charge.

M&L for Supply and fixing in replacement for PVC insulated and sheathed multi strand 3 core flat 1100 volts grade electric copper cable for submersible of size 10 sqmm, complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for laying of GI tubing in trenches and getting out all in hard and dense soil complete all as specified by Engineer - in - charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed by Engineer-in-Charge.

Removing excavated material (soil) to a distance not exceeding 50 mtrs and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-Charge.

Taking up or down old unserviceable DI/GI tubing connection including disconnection of fittings from tubing where required and cleaning for refixing or removal from site complete as directed by Engr-in-Charge of following sizes :-

PPR/GI pipe 20 mm dia

PPR/GI pipe 25 mm dia

PPR/GI pipe 32 mm dia

PPR/GI pipe 40 mm dia

GI/PPR pipe 50 mm dia

DI/GI pipe 80 mm dia

DI Pipe of 100 mm bore

Supply & laying of water pipe lines of the following sizes and grade complete with fittings (such as bends, elbows, tees, short pieces, connectors, caps, plugs, unions and screwed socket joints etc) laid in trenches complete as directed by Engr-in-Charge, of following sizes (Note when pipe laid in straight line then the 3rd length is required to be connected by union. :-

GI pipe, Med grade 20 mm dia

GI pipe, Med grade 25 mm dia

GI pipe, Med grade 32 mm dia

GI pipe, Med grade 40 mm dia

GI pipe, Med grade 50 mm dia

GI pipe, Med grade 80 mm dia

DI pipe of 100 mm bore

Taking down old unserviceable gate valve / stop valve of any size complete all as specified and directed by Engineer-in-Charge.

Supply and fixing gun metal, globe or gate valve for 50 mm dia pipe with iron wheel head, screwed both ends ISI marked complete all as specified and directed by Engineer-in-Charge.

Supply and fixing gun metal, globe or gate valve for 25 mm dia pipe with iron wheel head, screwed both ends ISI marked complete all as specified and directed by Engineer-in-Charge.

Supply and fixing gun metal, globe or gate valve for 20 mm dia pipe with iron wheel head, screwed both ends ISI marked complete all as specified and directed by Engineer-in-Charge.

M&L for run lead joint for 100 bore CI/DI pipe all as specified and directed.

S&F 20 mm bore Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed by Engineer-in-Charge.

S&F 25 mm bore Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed by Engineer-in-Charge.

Taking down old unserviceable CI sluice valve for 80/100 mm dia pipe complete all as specified and directed by Engineer-in-Charge.

Supply & fixing cast iron sluice valve for water supply purposes with CI drilled flanged end internally cast for 100 mm nominal bore class PN 1.6 horizontal type conforming to IS 760, ISI marked with stainless steel spindle & iron wheel non using type including jointing material complete such as rubber assertion packing rings with requisite no of nuts & bolts , washers of requisite size etc all as specified and directed by the Engr-in-Charge.

Description all as per item Srl No. 40.00 here in before but sluice valve internally cast for 80 mm nominal bore.

Material and labour for valve chamber on existing chamber foundation with 230mm thick brick wall in CM 1:6, 75mm thick coping in PCC 1:4:8 (Type B1), 15mm thick plaster in CM 1:4 over all internal and external wall surface,50x50x5mm thick MS Angle iron frame and 3.0 mm thick MS chequd plate cover with hinges and necessary locking arrangements painting with two coats of synthetic enamel paint over one coat of red oxide primer all as specified and directed including dismantling and removal of existing damaged chamber except PCC foundation of internal size 900mm x 900mm x 900mm. complete all as directed by the Engr-in-Charge.

Making connection of PP-R distribution branch with PP-R main of size 16 to 40 mm bore by providing and fixing tee including cutting and making fusion joint etc. complete all as specified and directed by Engineer-in-Charge.

Making connection of PP-R distribution branch with PP-R main of size 50 to 75 mm bore by providing and fixing tee including cutting and making fusion joint etc.complete all as specified and directed by Engineer-in-Charge.

M&L for servicing of centrifugal pump electric driven AC 3 Phase 415 volt 30 HP capacity by replacing of unserviceable terminal blocks and 2 Nos bass bearing, bushes and bolts and nuts and re-assembling same incl varnishing with super enamelled varnish to motor winding at site including testing complete all as specified by Engineer-in-Charge.

M&L for Lifting and lowering of defective submersible pump set including motor with suitable T&P and safety precautions of any type and size from the bore well along with column pipe including disconnection electric and water supply connection as required and aside for re-use after repair, complete all as specified and directed by Engineer-In-Charge.

Dismantling/ Disconnecting unserviciable Monoblock cetrifugal pump 2 HP from the site and S&F new Monoblock cetrifugal pump 2 HP complete all as specified and dierected by Engr-in-charge.

Dismantling/ Disconnecting unserviciable Monoblock cetrifugal pump 1 HP from the site and S&F new Monoblock cetrifugal pump 1 HP complete all as specified and dierected by Engr-in-charge.

S&F in replacement gunmetal foot valve 80mm dia complete all as specified and directed by Engineer-in-Charge.

S&F in replacement gunmetal foot valve 40mm dia complete all as specified and directed by Engineer-in-Charge.

Construction of Lorry filling point of size 0.6m x 0.6m x 5m using precast cement concrete solid block masonary type C-1, 1:3:6 (using 20mm graded crushed stone aggregate) exceeding 10cm in width and setting in cement mortal 1:4 over 150mm thick PCC 1:3:6 (nominal mix) type C-2 (using 40 mm graded crushed stone aggregates) complete, 10mm thick rendering in cement mortar 1:4 on block masonry surface finished even & smooth without using extra cement including earthwork complete, 1/6 of complete height is using as foundation of Lorry filling point, incl Dismantling of existing unserviceable Lorry filling point of any size all as specified and directed by Enginner-in-Charge.

S&F in replacement Rotational moulded polyethylene 1000 Ltr capacity water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I (2009) complete all as specifiedand directed by Engineer-in-Charge.

S&F in replacement Rotational moulded polyethylene 500 Ltr capacity water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I (2009) complete all as specifiedand directed by Engineer-in-Charge.

S&F in replacement Puff tank of 1000 Ltr capacity, insulated cylinderical vertical type double layer duly filled with glass wool with closed top hoisted and to resist in temperature between -30 degree to +35 degree celcius fixed in position with all fittings complete all as specified and directed by Engineer-in-Charge.

S&F in replacement star delta stater 3 phase 415 V suitable for 30 HP monoblock/centrifugal pump set and making all necessary connection complete all as specified and dierected by Engr-in-charge.

M&L for Cleaning and removing all scales and dirt etc from tanks and from mouths of circulating pipes etc capacity upto 1000 ltrs complete all as specified and dierected by Engr-in-charge.

M&L for repair/rectification of leakage to water supply distribution lines 20 mm dia to 25 mm dia GI tubing by necessary excavation, returning/filling as required, threading if required including replacement of GI union/socket/nipple as required all as specified & directed by Engr in Charge.

Description all as per Srl item No.57.00 here-in before but for GI tubing of 40 mm dia to 50 mm dia.

Description all as per Srl item No.57.00 here-in before but for GI tubing of 80 mm to 150 mm dia.

BETONG BUILDERS (BID ID -3138846)

M/S HONY CAPT RIGZIN SAMPHEL (BID ID -3138331)

M/S MOHD KARIM (BID ID -3138774)

CHHIRPON BUILDERS (BID ID -3138579)

M/S GEE AAR and SONS ENTERPRISES (BID ID -3138686)

M/S ASGAR ALI TIMBER SHOP (BID ID -3138330)