8350 REPAIRS TO WATER SUPPLY PIPE LINE AND ITS CONNECTED ITEMS AT RAMNAD AND 7N DET UNDER GE TIRUNELVELI

Amount

Excavating in trenches, not exc 1.5m wide and not exc 1.5m in depth for laying pipe or excavation in pits not exc 10 sq. m on plan and not exc 1.5m in depth and getting out in any type of soil, complete all as specified and as directed by the Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in any type of soil, complete all as specified and as directed by the Engineer-in-Charge.

Removing excavated soils n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and as directed by the Engineer-in-Charge.

Taking down steel tubing and connections, removal from site for taking into credit complete all as specified and as directed by the Engineer-in-Charge of following bore sizes:-

(b) 25 mm to 32 mm

(c) 40 mm to 50 mm

Supply and fix GI tubing medium grade including provision of necessary fittings like Tee,Bend,Socket,Elbow, Short pieces connectors, plugs, unions, etc and accessories laid in trenches complete all as specified and directed by Engineer-in-Charge of following bore sizes:-

Supply and Fixing GI tubing medium grade including provision of fittings like Tee,Bend,Socket,Elbow, Short pieces connectors, plugs, unions, etc and accessories on walls/roofs all as specified and directed by Engineer-in-Charge of following bore sizes:-

Testing the potable water samples at the district water testing lab complete all as specified and directed.

Testing the raw water samples at the district water testing lab complete all as specified and directed.

Supply and fixing gun metal gate valve, painted finish, with forged brass spindle and iron wheel head, screwed both ends internally IS-778 marked, Class-2, for iron pipe of following sizes complete all as specified and directed.

(a) 20 mm bore

(b) 25 mm bore

(c) 32 mm bore

(d) 40 mm bore

(e) 50 mm bore

Supply and fix in repair brass float valve, ISI marked high pressure with polythene float and fly nut complete, screwed of following size / bore including necessary GI fittings such as elbow, reducer, nipple etc. complete all as specified and directed.

(a) 20 mm dia

(b) 25 mm dia

(c) 40 mm dia

(d) 50 mm dia

Supply and fix Pressure gauge 4" dia, 0 to 14 Kg/cm2 range fixing on delivery pipe of pump set and removing existing defective pressure gauge for taking as credit complete all as specified and as directed.

Supply and fix sluice valves flanged end, cast iron body, flanged and drilled with non rising type stainless steel spindle with nut, long body, class P N 1.6, conforming to IS 14846 of 2000 for following sizes including all flange joint with rubber or fiber board, bolts, nuts and washers complete including pumping out accumulated water complete all as specified and directed by Eng-in-Charge of following sizes.

(a) Sluice Valve, Class PN 1.6, 63mm dia

(b) Sluice Valve, Class PN 1.6, 80mm dia

(c) Non Return Sluice Valve, 80mm dia

Supply and fix Foot Valve screwed / flanged including necessary fittings like connecting flanges of following sizes complete all as specified and directed by Eng-in-Charge

(a) Foot Valve 50 mm dia

(b) Foot Valve 63 mm dia

Replacement of GI flange having holes (ISI marked) suitable for 40mm bore pipe including joinery material such as rubber gasket bolt units and washers etc including removal of unserviceable item all as directed.

All as per item No.14 above but Suitable for 50 mm bore pipe

All as per item No. 14 above but Suitable for 80 mm bore pipe

Replacement of GI union of both end lock nut screwed with leak proof washer connected to existing GI tubing of 20mm bore including removal of unserviceable item complete all as directed (ISI marked)

All as per item No. 15 herein before but suitable for 25 mm bore pipe

All as per item No. 15 herein before but suitable for 40 mm bore pipe

All as per item No. 15 herein before but suitable for 50 mm bore pipe

Material and labour for by scraping / cleaning with wire brushes to remove the old painting from pump, motor, coupling guard, MS common base frame and painting with two coats of synthetic enamel paint of approved quality over a coat of red oxide primer as specified below here in after for 1 / 2 / 3 & 5 HP pumping sets:- (a) Motor and pump - Smoke Grey colour (b) Coupling guard and motor air grill - Post office Red colour.(c) Common base frame - Black colour (d) Suction line and delivery line in side pump house - Navy blue colour for fresh water pipe lines. (e) Writing SM/MES No 25 mm wide in white colour on motor and pump.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cm×60cm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia as earthing lead by means of bolts, nuts, check nuts and washers of copper all as shown in electrical plate No.3 in SSR part 1 connected to earthing test point, including 20 mm GI pipe (Medium grade) for watering and 40 mm GI pipe (Medium grade) for protection of earth strip and etc.. including testing on completion ,PCC chambers in PCC1:3:6 type C1, RCC M25 type cover slab 50mm thick with 8mm dia TMT HCR/CRS steel bars at 140mm C/C both way and lifting handle GI funnel & wire mesh ,funnel, lugs and charcoal, salt etc all as applicable complete all as specified and as directed by the Engineer-in-Charge

Taking down defective mono block / Centrifugal pump set of 0.5 HP capacity from foundation by opening of coupling and foundation bolts and transporting to workshop for repairing and reassembling after servicing and overhauling complete with oiling/greasing, lubricating the parts including repair / replacement of worn out parts and replacement of base foundation nuts and bolts and re-installing ,necessary electrical connection and testing for satisfactory performance complete all as specified and directed by Engineer - in - Charge. Note:- (i) The rate quoted for this item shall includes labour charge only for maint repair and replacement of defective/UNSV spares/accessories. Spares are to measured and paid separately under subsequent items. (ii) Cost of other minor items/spares such as nut, bolts washers, gaskets, etc which are not covered under Sch 'A' but required for effective functioning of the plant shall be deemed to included in this item. (ii) The cost of spares shall be paid under relevant items given below (iii) In case of any damage to the pipes during the time of removal of the pump set ,contractor shall be responsible for repairing the same without any extra cost to the government.

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Ball bearings (drive and non drive end)

Supply only Electro dynamically balanced bronze impeller

Supply only Impeller Key

Supply only Water Seal

Supply only Terminal connection with terminal box

Supply only Condensor suitable capacity / MFD

All as per item No :18 herein before but pump set of capacity 1 HP / 2 HP Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Ball bearings (drive and non drive end)

Supply only Electro dynamically balanced bronze impeller

Supply only Impeller Key

Supply only Water Seal

Supply only Terminal connection with terminal box

Supply only Condensor suitable capacity / MFD

All as per item No :18 herein before but pump set of capacity 3 HP Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Ball bearing (Drive and Non drive end)

Supply only Cooling fan blade

Supply only Cooling fan cover with suitable screws

Supply only Terminal box with terminal connection

Supply only Electric dynamically balanced bronze impeller

Supply only Shaft mild steel

Supply only Gun Metal bush

Supply only Gland cup with bolts and nuts

Supply only Flange drilled suitable size with bolts, nuts and washers including rubber gasket

Supply only Air cock nozzle brass

Supply only Shaft coupling

All as per item No 18 herein before but pump set of capacity 5 HP Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Ball bearing (Drive and Non drive end)

Supply only Cooling fan blade

Supply only Cooling fan cover with suitable screws

Supply only Terminal box with terminal connection

Supply only Electric dynamically balanced bronze impeller

Supply only Shaft mild steel

Supply only Gun Metal bush

Supply only Gland cup with bolts and nuts

Supply only Flange drilled suitable size with bolts, nuts and washers including rubber gasket

Supply only Air cock nozzle brass

Supply only Shaft coupling

All as per Sl item No : 18 herein before but defective open well submersible pump set of capacity 0.5 HP / 1 HP 3 Ph, 440 Volts including taking up the pump set from open well/UG sump after disconnecting the electrical and pipeline connection, complete without causing any damage to the pump set or pipes and transporting to workshop including repair/replacement of worn out parts, servicing and overhauling complete with oiling/greasing, lubricating the parts and reassembling and painting of submersible pump set and motor with two coats of synthetic enamel paint over a coat of red oxide primer after clearing and scrubbing and shifting back to bore well, lowering, commissioning and testing on full load complete all as specified and directed by Engineer-in-charge. Note: In case of any damage to the pipes during the time of removal of the pump set ,contractor shall be responsible for repairing the same without any extra cost to the government.

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Thrust bearing

Supply only Electro dynamically balanced bronze impeller

Supply only Gun Metal bush

Supply only Gland Cup with bolts and nuts

Supply only GI Flange drilled suitable size bolts, nuts, washers and rubber gasket

Supply only Shaft Mild steel

Supply only Rotor sleeve

All as per Sl item No 22 herein before but pump set capacity 2 HP / 3 HP . Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Thrust bearing

Supply only Electro dynamically balanced bronze impeller

Supply only Gun Metal bush

Supply only Gland Cup with bolts and nuts

Supply only GI Flange drilled suitable size bolts, nuts, washers and rubber gasket

Supply only Shaft Mild steel

Supply only Rotor sleeve

All as per Sl item No :22 herein before but pump set capacity 5 HP . Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Thrust bearing

Supply only Electro dynamically balanced bronze impeller

Supply only Gun Metal bush

Supply only Gland Cup with bolts and nuts

Supply only GI Flange drilled suitable size bolts, nuts, washers and rubber gasket

Supply only Shaft Mild steel

Supply only Rotor sleeve

All as per Sl item No :22 herein before but Non- clogging submersible pump set capacity 7.5 HP . Note: The cost of spares shall be paid under relevant items given below as " Supply only".

Rewinding of motor coil complete as per IS-396 of 1953 using super enameled copper wire of adequate gauge and weight including replacement of all insulation material and terminal lead for power supply and other petty items required for making motor functional.

Supply only Thrust/ball bearing

Supply only Electro dynamically balanced bronze impeller

Supply only Cooling fan blade

Supply only terminal box with terminal connectors

Supply only Shaft Mild steel

Supply only Gun Metal bush

Cleaning the internal and external surface of UG sump / Static water tank of capacity up to 10000 gallons and well by scrapping/brushing and removing all silt dust etc from walls, floors, clean with water and bleaching powder and applying one coat of lime wash to all internal surfaces and complete removal of sand,dust,dirt and other unwanted coatings from the exterior wall surfaces by suitable means and painting with weather proof oil bound distemper to complete side wall and top surface of sump including writing particulars such as capacity of sump, date of cleaning and due date of cleaning etc using white paint on black back ground with height of letter to match with the existing size including painting to incoming and outgoing pipe lines and valves/valve chambers with approved colour (Pipe line exposed above surface) of any size complete all as directed

Cleaning the internal and external surface of Shallow well of size 4.50 mtr dia. and 6 mtr depth by scrapping/brushing and removing all silt dust etc from walls, floors, clean with water and bleaching powder and applying one coat of lime wash to all internal surfaces and complete removal of sand,dust,dirt and other unwanted coatings from the exterior wall surfaces by suitable means and painting with weather proof oil bound distemper to complete side wall of shallow well including writing particulars such as depth of shallow well, date of cleaning and due date of cleaning etc using white paint on black back ground with height of letter to match with the existing size including painting to pipe lines and valves with approved colour (Pipe line exposed above surface) of any size complete all as directed

Cleaning the internal and external surface of deep Open well of size 7-10 mtr dia. and 10-15 mtr depth by scrapping/brushing and removing all silt dust etc from walls, floors, clean with water and bleaching powder and applying one coat of lime wash to all internal surfaces and complete removal of sand,dust,dirt and other unwanted coatings from the exterior wall surfaces by suitable means and painting with weather proof oil bound distemper to complete side wall of shallow well including writing particulars such as depth of shallow well, date of cleaning and due date of cleaning etc using white paint on black back ground with height of letter to match with the existing size including painting to pipe lines and valves with approved colour (Pipe line exposed above surface) of any size complete all as directed

Cleaning the internal surfaces of Over Head Tank at 45 m height / staging by scrapping down/brushing and removing all silt dirt, algae etc from walls, floors, washing/ cleaning with water and applying one coat of white wash to all internal surfaces of walls and ceilings complete including writing particulars such as capacity of OH tank, date of cleaning and due date of cleaning etc using white paint on black back ground with height of letter to match with the existing size including painting to incoming and outgoing pipe lines and valves/valve chambers with approved colour (Pipe line exposed above surface) of any size complete all as directed all as directed by Engineer-in-charge for 100000 Litres capacity

Cleaning the internal surfaces of Over Head Tank at 15 m height / staging by scrapping down/brushing and removing all silt dirt, algae etc from walls, floors, washing/ cleaning with water and applying one coat of white wash to all internal surfaces of walls and ceilings complete including writing particulars such as capacity of OH tank, date of cleaning and due date of cleaning etc using white paint on black back ground with height of letter to match with the existing size including painting to incoming and outgoing pipe lines and valves/valve chambers with approved colour (Pipe line exposed above surface) of any size complete all as directed all as directed by Engineer-in-charge for 15000 Ltr capacity.

NOTE FOR SL ITEM NO 26 TO 30 - 1. T & P for dewatering UG Sump / Static Tank has to be arranged by the contractor. Rate quoted is inclusive of material and labour required for dewatering. Nothing extra shall be paid separately. 2. All the operations should be executed by trained workers and technicians, properly dressed along with gum boots, safety harness to work as per the direction of Engineer in charge. Contractor shall bring suitable fittings to connect cleanout pipe and suitable length pipe using cleanout facility if available and operational without damaging water tank. Nothing extra shall be paid separately. Contractor shall be responsible for complete cleaning, suction, disposal activity and thereafter. Any damages to water tank during cleaning operation shall be repaired by the Contractor with no cost to MES. Contractor shall ensure and implement safe working conditions for his laborers during execution , all necessary safety measures and harness shall be used before taking-up work. Suitable lighting and ventilation should be provided by the contractor before cleaning of covered tanks. Agency shall be solitary responsible for the lapses in the safety during the work and allied compensations. Nothing extra shall be paid separately, etc. complete as per direction of Engineer In-charge.

Supply and fix Three phase direct online starter , suitable for 1 HP - 5 HP Pump/motor including necessary electrical connections and taking down old unserviceable all as directed.

Supply and fix Three phase direct online starter , suitable for 7.5 HP Pump/motor. including necessary electrical connections and taking down old unserviceable all as directed.

Supply and fix Single phase direct online starter, suitable for 0.5 - 2 HP Pump/motor including necessary electrical connections and taking out old unserviceable all as directed.

Supply and fix single phase preventer 3 phase 415 volts including taking out old unserviceable all as directed..

Supply only chlorine test kit.

Supply only regent solution

Supply only Calcium Hypochlorite 65% to 70% Chlorine content in granular form (Calcium based Granular disinfectant for water treatment of drinking water ). Packed in 45 Kgs each Drum. Make:- Sree Rayalaseema Hi Strength Hypo Ltd.(Brand :- PURI CHLOR) or approved by NMPT Committee of E-in-C's Branch. Note:- The contractor must submit the NSF Certificate of the product, FSSAI Registration and COC (Certificate of Compliance) in original from manufactures by All India Authorized MES Distributor for each batch of product delivered indicating. Including chemical analysis report by all India authorized MES Distributor. Product must have min. 65% Chlorine Contents suitable for Human Consumption.

Replacement of Fabricated MS angle iron/channel of any section and foundation bolts, nuts and washer made of MS of suitable sizes including painting for motor/pump bed foundation including cement work with PCC in grouting etc complete all as directed.

Cleaning valve chamber of any size by removing all unwanted particles such as mud, sand, dust, dirt, decayed leaves etc. and applying two coats of white wash to all internal and external surfaces of valve chamber all as directed by Engineer-in-charge.

Cleaning rain water collection well (depth 3 mtr: meant for collection of rain water and pumping away the collected water by submersible pumps of 7.5 HP during rainy season) by removing all unwanted particles such as mud, sand, dust, dirt, decayed leaves etc. and applying two coats of white wash to all internal and external surfaces of collection well including painting of submersible pumps 7.5 HP and connected pipe lines ( 2 Pump sets in each rain water collection chamber) with synthetic enamel paint of approved colour all as directed by Engineer-in-charge.

Material and labour for repair to sluice valve 80 mm dia. ( inside valve chamber and fixed above ground at pumping installations) for smooth operation including replacement of gland packing, bolts, nuts and washers etc cleaning and painting to sluice valve 80 mm dia. with black enamel paint two coats over a coat of red oxide primer all as specified and directed.

Material and labour for disconnecting any size/ model of pump set from the foundation bed to carry out minor repair work such as greasing, gland rope packing, nut & bolts, washers and flanged and complete the correct rotational alignment for smooth functioning all as directed by the Engr-in- charge.

Supply and fix Gland rope (graphite rope ) (size 1/2",1/4",3/4") suitable for pump size 1 HP-5 HP including taking out old unserviceable all as directed.

Removal of dust and cleaning the Earth pit and washing the same, applying one coat of white wash , writing the letters such as for Pump set Number as required at site with enamel paint of black colour on pit cover complete all as specified and as directed.

Sub main wiring with four runs single core 4sqmm multi stranded copper conductor PVC insulated unsheathed cable 1100 volts grade and two runs of 4 sqmm multi stranded copper conductor cable as earth continuity conductor drawn into and including non-metallic rigid PVC conduit, 25mm dia/PVC casing capping 32 mm and conduit accessories concealed/surface of wall/roof/ceiling etc complete all as specified and directed. Note: Four runs of 4sqmm and two runs of 4 sqmm cable and one run of 25mm dia conduit/casing capping shall be measured as one unit length.

Sub main wiring with four runs single core 6 sqmm multi stranded copper conductor PVC insulated unsheathed cable 1100 volts grade and two run of 6 sqmm multi stranded copper conductor cable as earth continuity conductor drawn into and including non-metallic rigid PVC conduit 32 mm dia/PVC casing capping 32 mm including conduit accessories all as specified and directed. Note: five runs of 6 Sqmm cable and one run of 32 mm conduit / casing capping will be measured as one unit length.

Supply and connecting flat three core, PVC insulated industrial Flat cable for submersible motor, 4 sqmm (Nominal area) with multi stranded copper conductor, 1100 volts grade connected from starter to submersible pump motor complete all as specified and directed.

Supply and connecting flat three core, PVC insulated industrial flat cable for submersible motor, 6 sqmm (Nominal area) with multi stranded copper conductor, 1100 volts grade connected from starter to submersible pump motor complete all as specified and directed.

Supply and fix Single phase preventer & dry run protection relay (voltage based) making necessary electrical connections all as directed by the Engineer-in-charge.

Material and labour for repairing of 5 HP non- clogging diesel pump set including dismantling replacement of piston and crankshaft bearing, replacing injectors , replacing fuel filters, hand pump , replacing Lub oil , removing carbon and sludge deposits in crank case and piston , replacing piston rings, replacing air filters, tightening the throttle linkages , lubricating and servicing of pump all as directed and as specified by Engr- in - charge.

Cutting existing bituminous road and excavating in trenches, not exc 1.5m wide and not exc 1.5m in depth by cutting existing bituminous road not exc 10 sq. m on plan and not exc 1.5m in depth and getting out in any type of soil, complete all as specified

Demolition, Cement concrete (unreinforced) in ground floors and pavings n exe 15 cm thickness (below or above ground level) complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for 100 mm thick cement concrete 1:2:4 type B-1, using 20mm graded aggregate for making good the disturbed road surface after laying of pipe line over returned filled and compacted earth surface to match with existing road level complete all as specified and as directed.

Material and labour for PCC 1:4:8 Type D2 40mm graded aggregate as in foundations, filling and mass concrete complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for brickwork with subclass `B` bricks, in straight or curved on plan exc 6m mean radius, built in CM 1:6 complete all as specified and as directed by the Engineer-in-Charge

Material and labour for rendering 10mm thick in cement mortar 1:6 on fair faces of brick work or concrete surfaces complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for providing cement concrete 1:2:4 Type B0 using 12.5mm graded aggregate as in copings, complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for fixing valve chamber cover in replacement, fabricated from MS sheet 3mm thickness, fixing Angle at all sides , with two Nos of hinges and one No. handle made out of MS round bar 10mm dia with necessary locking arrangement complete all as specified and as directed by the Engineer-in-Charge.

Demolition of brickwork or stone/boulder masonry, laid dry complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for preparation of new steel surface and applying two coats of approved colour synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

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