DAY TO DAY MAINTENANCE REPAIR TO EXTERNAL WATER SUPPLY, SEWAGE PUMPING SYSTEM AND SUMMER EQUIPMENTS AT CGDHQ 4 AND CGRA RAMESWARAM

Amount

Taking down existing unserviceable water tank after disconnectiong water supply line and supply and fix new Rotational moulded polyethylene water storage tanks having capacity 500 Ltrs (cylindrical vertical with closed top) hoisted and fixed in position all as specified and directed.

Taking down existing unserviceable water tank after disconnectiong water supply line and supply and fix new Rotational moulded polyethylene water storage tanks having capacity 1000 Ltrs (cylindrical vertical with closed top) hoisted and fixed in position all as specified and directed.

Excavation in trenches not exceeding 1.5 M wide and n. exc 1.5 M depth and getting out in hard/dense soil getting out complete all as specified and as directed.

Returning filling in excavated earthwork including spreading, leveling, watering and well ramming in layers n.exc 25cm thick hard /dense soil all as specified.

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

Supply and fix in repairs 25mm dia Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified.

Supply and fix in repairs 40mm dia Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixede complete all as specified.

Supply and fix in repairs 50mm dia Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified.

Material and Labour for cutting existing pipe line of steel tubing of 50mm bore for alterations or additions and inserting GI Tee 50x40mm size in existing pipe line with necessary fittings complete all as specified. NOTE: Excavation and earth work shall be measured and paid separately.

Supply and fix in repairs PP-R gate valves/ball valve (brass insert) , with PP-R Lever head, connected both ends for PP-R pipe and fixed 63 mm bore complete all as specified and directed.

Supply and fix in repairs PP-R gate valves/ball valve (brass insert) , with PP-R Lever head, connected both ends for PP-R pipe and fixed 50 mm bore complete all as specified and directed.

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

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

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

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

Supply and fix in repairs Brass ball valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed 40mm bore complete all as specified and directed.

Supply and fix in repairs Brass ball valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed 50mm bore complete all as specified and directed.

Supply and fixing Unplasticised PVC pipes of pressure rating 10 kg/cm2 fixed complete to walls, trenches or in floors etc. 40 mm bore including taking down old unserviceable pipe complete all as specified and as directed.

Supply and fixing Unplasticised PVC pipes of pressure rating 10 kg/cm2 fixed complete to walls, trenches or in floors etc. 50 mm bore including taking down old unserviceable pipe complete all as specified and as directed.

Supplying and laying 25mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings fixed complete to walls or in floors etc. after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 40mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings fixed complete to walls or trenches, in floors etc. after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 50mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings laid in trenches after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 75mm inner dia CPVC pipes Schedule 80 pipes and plain CPVC Schedule 80 fittings laid in trenches after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 100mm inner dia CPVC pipes Schedule 80 pipes and plain CPVC Schedule 80 fittings laid in trenches after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 150mm inner dia CPVC pipes Schedule 80 pipes and plain CPVC Schedule 80 fittings laid in trenches after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 25mm 3-layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain &brass threaded polypropylene random fittings fixed complete to walls, ceilings or infloors etc after taking out unserviceable pipe including making good disturbed surfaces complete all as specified and directed.

Supplying and laying 50mm 3-layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain &brass threaded polypropylene random fittings fixed complete to walls, ceilings or infloors etc after taking out unserviceable pipe including making good disturbed surfaces complete all as specified and directed.

Supplying and laying 75mm 3-layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain &brass threaded polypropylene random fittings fixed complete to walls, ceilings or infloors etc after taking out unserviceable pipe including making good disturbed surfaces complete all as specified and directed.

Supplying and laying 50mm bore 'medium grade', galvanised Iron pipe with all fitting fixed complete to walls or in floors etc. including cutting, threading after taking out unserviceable pipe complete all as specified and directed.

Supplying and laying 25mm bore 'medium grade', galvanised Iron pipe with all fitting fixed complete to walls or in floors etc. including cutting, threading after taking out unserviceable pipe complete all as specified and directed.

Repair to sluice valve size of 150mm bore with flange and any pattern, repacking, stiffing box of sluice valve, spindle including taking out refixing regrinding/ rethreading, carrying out repair to make the sluice valve serviceable fixing complete all as specified and directed .

Repair to sluice valve size of 100mm bore with flange and any pattern, repacking, stiffing box of sluice valve, spindle including taking out re fixing re grinding/ rethreading, carrying out repair to make the sluice valve serviceable fixing complete all as specified and directed .

Repair to sluice valve size of 80mm bore with flange and any pattern, repacking, stiffing box of sluice valve, spindle including taking out re fixing re grinding/ rethreading, carrying out repair to make the sluice valve serviceable fixing complete all as specified and directed .

Cleaning the vegetation including grass, bushes, small trees & all vegetation growth complete including digging out roots of bushes around installation/Sump/OH tanks/ valve chamber including leveling the surface by removing debris to a distance n.exc 50 mtr complete all as specified and directed .

Material and labour for applying two coats of synthetic enamel paint (approved make/quality) including preparation of old painted surface of any description for External GI pipeline over 10 cm in width or girth not otherwise described complete all as specified and directed .

Dismanlting of damaged portion of valve pit chamber wall and Material and labour for Brick work with sub calass 'B' brick straight or curved on plan exc 6m mean radius and built in CM 1:4 complete all as specified and as directed.

Taking down cement plaster from damaged plastered portion of valve pit chamber brick wall surface including racking out joints, hacking for key, scrubbing down with water etc and Material and labour for rendering in CM 1:4 ,15mm thick on fair faces of finished even and smooth without using extra cement complete all as specified and as directed.

Demolation of existing valve chamber and Construction of valve chamber of size 1200mm x 1200mm x 1000 mm internal size including necessary earth work and excavation, 75mm thick PCC 1:4:8 type D2 using 40mm graded stone aggregate for foundation, 220mm thick brick work in cement mortar 1:6, 50mm thick PCC 1:3:6 type C1 using 20mm graded stone aggregate for coping, 15 mm thick rendering in cement mortar 1:4 for internal and up to 150mm level ground level on external surfaces, including provision of mild steel cover 3mm thick on 40mm X40mm x 6 mm angle iron frame work with two coats of black bituminous painting over and including a coat of red oxide primer and suitable locking arrangements complete all as specified and directed.

Removal of mud and other unwanted items from the existing tube well 4.00 metre depth at CGRA Rameswaram by using compressed air with recommended capacity pump by and pumping out muddy water till comes to clear water complete all as directed.

Removal of mud and other unwanted items from the existing tube well 4.00 metre depth at CGDHQ-4 by using compressed air with recommended capacity pump by and pumping out muddy water till comes to clear water complete all as directed.

Disconnecting submersible motor of capacity 7.5HP 3 phase from electric system and lifting the pump and motor alongwith column pipe supporting wire, rope etc completely and lowering the whole system and connecting the electrical cable to starter after rectification of defects incl testing all as directed. NOTE: (i) The rate quoted shall be only for removal and refixing of submercible motor with accessories. (ii) Repair work of submercible pump shall be measured and paid separately under item No.42 here-in-after.

Repair works to submersible motorpump set having capacity 7.5HP 3 phase 415 volts, shifting to the civil workshop for removing of burnt windings, bearing etc, including cleaning the slots, rewinding with new stove enamelled copper wire as per existing size, including changing of bearings, etc , and installation, testing complete as per manufacturer's instruction with entire satisfaction of Engr-in-charge. Note- Rate quoted shall be inclusive of cost of spares as required for repair work.

Supply only steel wire rope (SWR) 10 mm dia complete all as specified and directed.

Supply only submersible cable 10 sqmm 3 core flat cable copper conductor for submersible pump set 7.5 HP complete all as specified and directed.

Supply and fix in repairs DOL Starter having capacity upto 7.5 HP 415 volt, 3 phase relay max range 9-14 Amps complete all as specified and directed.

Supply and fix in repairs Star delta starter including all accessories suitable for 10 HP Pump set 415 volt, 3 phase relay max range 6-10 Amps complete all as specified and directed.

Supply and fix in repairs Star delta starter including all accessories suitable for 20 HP Pump set 415 volt, 3 phase relay max range 14-23 Amps complete all as specified and directed.

Supply and fix in repairs GIC Stardelta Timer(2ASDTO) for 10 & 20HP pump set 415 volt, 50Hz 3s to 120s etc complete all as specified and directed.

Supply and fix in repairs Add on block 1NO+1NC for 10 & 20HP pump set 2 pole complete all as specified and directed.

Supply and fix in repairs MU3 contactor AC2 rating 32A ,AC3 rating 63A 10 & 20HP pump set 2 pole complete all as specified and directed.

Material and labour for Cleaning of semi underground reservoir at CGRA by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually, and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 100000 Ltrs complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Material and labour for Cleaning of semi underground reservoir by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 50000 Ltrs. complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Material and labour for Cleaning of semi underground reservoir by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 10000 Ltrs. complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Material and labour for Cleaning of overhead tank by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 5000 Ltrs. complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Material and labour for Cleaning of overhead tank by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 1000 Ltrs. complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Material and labour for Cleaning of overhead tank by closing of all valves in distribution and dewatering of complete tank and cleaning with wire brush, cloth, bleaching powder, removing dirt, scale from the tank and from mouths of circulating pipes etc through drain pipe or by manually and washing of inner surface using lime and bleaching powder and removing the same until clean surface is obtained, all as specified and directed by Engineer-in-Charge (Tank shall be cleaned yearly and writing with white paint over black base on the tank as "TANK CLEANED ON" with date with 5 cm high letters/ numbers and connecting all connections after cleaning and testing for leakages of tank of capacity 500 Ltrs. complete all as directed. Note: Tank shall be cleaned yearly as directed by Engineer-in-Charge.

Supply and fix in repairs Sump /Valve pits covers etc by using 3mm thick MS black plain sheet along with frame by means of Angle Iron 50mmX50mmx6mm and including MS twisted/round bar of size 6mm, 30cm long for handle including making locking arrangement all complete with welding, grinding etc incl two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Material and labour for opening the sluice valve of size 80mm inculding replacement of unserviceable nuts,bolts, washers , fibre gasket and new joint with rubber or fibre board gasket all as directed by Engr-in-charge.

Material and labour for opening the sluice valve of size 100mm inculding replacement of unserviceable nuts,bolts, washers , fibre gasket and new joint with rubber or fibre board gasket all as directed by Engr-in-charge.

Supply and fixing in repairs CI sluice valve both end flanged, gun metal spindle, iron wheel head including jointing, size of Sluice Valve Class PN 1.6, 100 mm dia approved make complete all as specified and directed at site by the Engineer-in-incharge.

Supply and fixing in repairs CI sluice valve both end flanged, gun metal spindle, iron wheel head including jointing, size of Sluice Valve Class PN 1.6 , 80 mm dia approved make complete all as specified and directed at site by the Engineer-in-incharge.

Supply and fixing in repairs Non Return Sluice Valve 100mm dia approved make both end flanged, gun metal spindle, iron wheel head including jointing complete all as specified and directed.

Supply and fixing in repairs Non Return Sluice Valve 80mm dia approved make both end flanged, gun metal spindle, iron wheel head including jointing complete all as specified and directed.

Supply and fixing in repairs CI Foot valve 100mm dia approved make including jointing complete all as specified and directed.

Supply and fixing in repairs CI Foot valve 80mm dia approved make including jointing complete all as specified and directed.

Disconnecting existing water/electric connections, dismantling unservicable electric Motor pump set having capacity 20 HP 3 Phase, opening carefully, taking out old burnt windings, cleaning of solts of motor stator and rotor complete, rewinding the same with super enamelled winding wire of existing gauge/size as per exisitng pattern with proper insulating material apply two coats of varnish and heating of windings reassemble the motor with proper sealing, including necessary lathe work to made the pump high efficiency, etc. refixing the same location, including necessary plumbing work, etc., testing and commissioning of motor pump set on full load to the entire satifcation of the Engineer-in-Charge.

All as Per ser Item No 66 above but motor having capacity 10HP

All as Per ser Item No 66 above but motor having capacity 5 HP

All as Per ser Item No 66 above but motor having capacity 3 HP

All as Per ser Item No 66 above but motor having capacity 1.5/2 HP

Material and labour for repair to water level indicator of underground sumps having capacity 100000/50000Ltrs, including replacement of sensors, control unit, etc to make the system made functional, complete all as specified and directed. NOTE: The rate quoted shall be inclusive of all the spares including sensors, control unit etc .

Material and labour for repair to water level indicator of high rise (G+8/7floors) building including replacement of sensors, control unit, etc to make the system made functional, complete all as specified and directed. NOTE: The rate quoted shall be inclusive of all the spares including sensors, control unit etc .

Supply and fix 05 Pair DC cabling 2.1 x 5.5mm with and including suitable cable as per site requirement including provn of suitable approved GI Support wire to cross the high rise building of G+8 floors and connected to the water level indicator sensor installed in Pump House Building complete all as specified and directed.

Supply and fix in repairs 75mm dia Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 50mm dia Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 40mm dia Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 25mm dia Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 75mm dia Female Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 50mm dia Female Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 40mm dia Female Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 25mm dia Female Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

Supply and fix in repairs 50mm dia Tank Adaptor Brass complete all as specified and directed.

Supply and fix in repairs 40mm dia Tank Adaptor Brass complete all as specified and directed.

Supply and fix in repairs 25mm dia Tank Adaptor Brass complete all as specified and directed.

Supply and fix in repairs 150mm dia CPVC Flange complete all as specified and directed.

Supply and fix in repairs 100mm dia CPVC Flange complete all as specified and directed.

Supply and fix in repairs 50mm dia CPVC Flange complete all as specified and directed.

Supply and fix in repairs 50mm dia brass Union complete all as specified and dircted by the Engineer-in-Charge.

Supply and fix in repairs 40mm dia brass Union complete all as specified and dircted.

Supply and fix in repairs 32mm dia brass Union complete all as specified and dircted.

Supply and fix in repairs 25mm dia Union complete all as specified and dircted.

Schedule of Credit (Minus) Rs. 67,243.00 NOTE: Bidder shall insert credit amount of Rs. 67,243.00 as rate in Green field under Col-13.

KDR CONSTRUCTION

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