O and M - Water Supply Schemes-ANNUAL MACE OF RWSS TO THRIKKUNNAPUZHA 2025-26 - LEAK RECTIFICATION WORKS IN PUMPING MAIN AND DISTRIBUTION LINES UNDER THRIKKUNNAPUZHA PANCHAYAT FOR THE YEAR 2025-2026

Amount

APPENDIX A :- LEAK RECTIFICATION WORKS.

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.1.2:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth exceeding 1.5m but not exceeding 3m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.47.1.4:Leak rectification work in 63mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the remaining portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe to the site, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or any available joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc., complete as per the direction of Departmental officers including the cost of pipe and uPVC specials; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: All Socketed Jointing.

100.47.1.5:Leak rectification work in 75mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the remaining portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe to the site, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or any available joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc., complete as per the direction of Departmental officers including the cost of pipe and uPVC specials; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: All Socketed Jointing.

100.47.1.6:Leak rectification work in 90mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the remaining portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe to the site, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or any available joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc., complete as per the direction of Departmental officers including the cost of pipe and uPVC specials; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: All Socketed Jointing.

100.47.2.1:Leak rectification work in 90mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damages to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, ribbon fencing, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.

100.47.2.2:Leak rectification work in 110mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damages to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, ribbon fencing, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.

100.47.2.4:Leak rectification work in 160mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damages to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, ribbon fencing, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.

100.47.3.1:Leak rectification work in 90mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damage to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, ribbon fencing, lighting, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: C.I.R. Jointing.

100.47.3.2:Leak rectification work in 110mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damage to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, ribbon fencing, lighting, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: C.I.R. Jointing.

100.47.3.4:Leak rectification work in 160mm uPVC (Class 2 to 6) pipeline including detecting and locating leak, earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting the pipe from trenches, smoothening the cut ends, conveying the new pipe, cutting and lowering new pipe into the trenches, placing in position, aligning the pipe to line and level and jointing the new pipe with the existing pipe with solvent cement or repairable joint and testing the pipeline by operating the valves concerned, and rectifying the defects if noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, without causing any damage to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, ribbon fencing, lighting, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials but excluding the cost of C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: C.I.R. Jointing.

100.46.1.4:Repairing leakage/breakage of 150mm A.C. pipeline by cutting and dismantling the damaged pipe portion (up to 1.5m) including charges for earthwork excavation in all kinds of soil including tar / concrete cutting for exposing leak portion of the pipe, operating control valves if any, conveying to the site and cutting new A.C. pipe to the required length, re-jointing the pipeline using C.I.D. Joints, testing the pipeline by operating the valves concerned, and rectifying the defects any noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc., complete as per the direction of Departmental officers excluding the cost of pipe and C.I.D. Joints.

OD158447/2024-2025:Leak rectification work in 90mm to 160 mm PVC (Class 2 to 6) pipe line including detecting and locating leak, earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, conveying and fitting suitable size saddle piece, inserting IR sheet in between the saddle and leak portion of pipe, tightening the saddle with nut & bolt to become a water tight joint, testing the pipe line by operating the valves concerned, and rectifying the defects if any noticed and refilling the trenches in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site without causing any damages to the existing utilities, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, ribbon fencing, watching, traffic control etc. complete as per the direction of Departmental officers

OD158445/2024-2025:Repairing small leakage/breakage of 80mm AC to 250 mm AC pipe line including charges for earth work excavation in all kinds of soil including tar / concrete cutting for exposing leak portion of the pipe, operating control valves if any, conveying fabricated saddle to the site and fitting to the damaged portion of pipe after inserting IR sheet, tightening the saddle with nut & bolt to make a water tight joint, testing the pipe line by operating the valves concerned, and rectifying the defects any noticed without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc. complete as per the direction of Departmental officers including cost of MS saddle and other specials.

OD158444/2024-2025:Cutting and scouring in 63 mm to 160 mm PVC pipe line due to scarcity of water/dirty water problem, earth work excavation in all kinds of soil for for exposing the pipe line including tar cutting / concrete cutting, cutting the pipe diametrically perpendicular to the axis of pipe line with out causing any damages to the remaining portion, dismantling and lifting the pipe from trenches,checking the water pressure /scouring in the pipe line, smoothening the cut ends, conveying the new pipe to the site, cutting and lowering new pipe in to the trenches, placing in position aligning the pipe to line and level and jointing the gap with new pipe using solvent cement or any available joint and testing the pipe line by operating the valves concerned, and rectifying the defects if noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc. complete as per the direction of Departmental officers including the cost of pipe and PVC specials; PVC Pipes and specials shall be of good quality and conforming to relevant standards:

OD158446/2024-2025:Rectification of leakages of 50 mm to 150 mm GI Pipes by replacing lengths up to 1.0mincluding earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar / concrete cutting, by cutting, removing and stacking the damaged portion from the existing line without causing any damages to the remaining portion and specials and replacing with PVC Pipes of suitable size and jointing with CIR joints of suitable size and PVC coupling to make a water tight joint, testing the line to the required pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other utilities, including hire and conveyance of tools, plant and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion etc including cost of pipe and specials but excluding cost of CIR joints as per the direction of departmental officers etc. complete

100.50.3.3:Rectification of leakages of 80mm G.I. Pipes in exposed portions by replacing lengths up to 1.0m by cutting, removing and stacking the damaged portion from the existing line without causing any damages to the remaining portion and specials and conveying and replacing with G.I. Pipes of suitable size and jointing by three run welding to make a water tight joint, painting the welded portion, testing the line to the required pressure, rectifying any defects noticed, without causing any damages to any other utilities, including the charges hire and conveyance of tools, plant and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion, necessary scaffolding including the cost of specials but excluding cost of pipe and as per the direction of departmental officers etc., complete.

100.56.1:Supplying and fixing 15 / 20 mm PVC public tap after dismantling the damaged tap including all cost of materials, labour charges, hire for tools and as per the direction of the department officers etc complete.

100.57.1:Rectifying the leakages in boring point of public tap connection including earth work excavation in all kinds of soil for exposing the boring point including concrete / tar cutting, dismantling the damaged saddle piece,cutting and removing damaged portion of pipe line,fixing new saddle piece,laying 20/25 mm PVC 10Kg/cm2 pipe in place of damaged portion of pipe and connecting with existing pipe line,testing the line to the required test pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other utilities, including the charges of hire and conveyance of tools, plants and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion, including cost of pipe and saddle piece and as per the direction of departmental officers etc. complete.

100.58.1:Rectifying the leakages in vertical pipe of public tap connection including earth work excavation in all kinds of soil for exposing the pipeline including concrete / tar cutting, cutting and removing damaged portion of pipe, fixing new 20/25 mm GI pipe and specials in place of damaged portion of pipe and connecting with existing pipe line, testing the line to the required pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other utilities, including the charges of hire and conveyance of tools, plants and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion, including cost of pipe and specials and as per the direction of departmental officers etc. complete.

100.51.1: Disconnecting water connection from service mains along earthern road without causing any damage to the existing line including charges of earth work excavation in all kinds of soil for exposing connection point including tar cutting / conrete cutting if any, making the disconnection point water tight charging and testing to the required pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other existing utilities, including the charges of hire for tools and plant, conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion but excluding cost of materials and as per the direction of departmental officers etc. complete.

100.51.2:Disconnecting water connection from service mains along Concrete road without causing any damage to the existing line including charges of earth work excavation in all kinds of soil for exposing connection point including tar cutting / conrete cutting, making the disconnection point water tight charging and testing to the required pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other existing utilities, including the charges of hire for tools and plant, conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion but excluding cost of materials and as per the direction of departmental officers etc. complete.

100.51.3:Disconnecting water connection from service mains along Asphalt road without causing any damage to the existing line including charges of earth work excavation in all kinds of soil for exposing connection point including tar cutting / conrete cutting, making the disconnection point water tight charging and testing to the required pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other existing utilities, including the charges of hire for tools and plant, conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion but excluding cost of materials and as per the direction of departmental officers etc. complete.

OD191747/2024-2025:Temporary disconnection of water connection from water meter along earthen road without causing any damage to the existing line including charges of earthwork excavation in all kind of soil for exposing service line, including the charges of hire for tools and plants, conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion but excluding cost of materials and as per the direction of departmental officers etc. complete

100.53.1.a:Washing OHSR/GLSR using brooms, brushes and bleaching powder by engaging coolies, scrubbing twice, washing and cleaning using fresh water, including side wall, floor slab and columns, disposing the the slurry / waste materials away from the immediate premises and within the initial lead of 50m from the periphery of the tank, without causing any damage to the existing structure and installations, charges including the operation of valves, conveyance and hire charges of tools and as per the direction of the department officers etc. complete.

100.98.211:Supply of PVC Pipe, 6kg/cm2, 63mm Dia.

100.98.212:Supply of PVC Pipe, 6kg/cm2, 75mm Dia.

100.98.213:Supply of PVC Pipe, 6kg/cm2, 90mm Dia.

100.98.214:Supply of PVC Pipe, 6kg/cm2, 110mm Dia.

100.98.216:Supply of PVC Pipe, 6kg/cm2, 160mm Dia.

2.16.2:Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (Measurements to be taken of the face area timbered).Depth exceeding 1.5 m but not exceeding 3 m

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

4.1.4:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 )1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size)

100.41.39:Supply, stacking, spreading and consolidating of Quarry Muck in the trench of pipe line, including carriage, loading, unloading & stacking up to any lead.

100.99.1:Add extra for the rate of Earth Work Excavation to account for the difficulty of excavation and the idling of the labour / machinery.

APPENDIX B :- COST OF JOINTING MATERIALS

OD158441/2024-2025: Supplying of 63 mm CIR joint

OD158439/2024-2025: Supplying of 75 mm CIR joint

OD158443/2024-2025: Supplying of 90 mm CIR joint

OD158438/2024-2025: Supplying of 110 mm CIR joint

OD158440/2024-2025: Supplying of 160 mm CIR joint

OD158442/2024-2025: Supplying of 150 mm CID joint

SANTHOSH V (BID ID -2184538)

Bidder Name

SANTHOSH V

MANOJ M