O M Water Supply Schemes Annual Mace 2026 27 RWSS to Chittar Meenkuzhy Kodumudy Leak rectification works to pipe lines in Chittar Grama Panchayath Pipeline Work General Civil Work

LEAK RECTIFICATION WORKS

OD261905/2025-2026:Leak rectification work in 32/40/ 50 mm PVC (Class 2 to 6) pipe line including detecting and locating leak, earth work excavation in all kinds of soil for for exposing leak portion of the pipe 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, 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 new pipe with the existing pipe with solvent cement or 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: All Socketed Jointing.

OD261900/2025-2026: Leak rectification work in 63 /75/ 90 mm PVC (Class 2 to 6) pipe line including detecting and locating leak, earth work excavation in all kinds of soil for for exposing leak portion of the pipe 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, 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 new pipe with the existing pipe with solvent cement or 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: All Socketed 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.

100.46.1.6:Repairing leakage/breakage of 200mm 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.

OD261908/2025-2026: (Data derived from100.48.2.1 and 100.48.2.2) EXPOSED PIPE - Rectification of minor joint leakages in 80mm and 100 mm C.I. Pipe without trenching , without causing any damages to the line and specials, cleaning the joints including raking out the damaged lead wool, conveying and inserting hemp and lead wool and caulking after cleaning the ends, charging and testing to the required pressure, rectifying any defects noticed and without causing any damages to any other utilities, including the charges of conveyance and hire for tools and plant, bailing out water, lighting, watching, ribbon fencing, providing caution boards, traffic diversion, including cost of materials and as per the direction of departmental officers etc., complete.

OD261911/2025-2026: (Data derived from100.48.2.3 and 100.48.2.4) EXPOSED PIPE - Rectification of minor joint leakages in 125 mm and 150 mm C.I. Pipe without trenching , without causing any damages to the line and specials, cleaning the joints including raking out the damaged lead wool, conveying and inserting hemp and lead wool and caulking after cleaning the ends, charging and testing to the required pressure, rectifying any defects noticed and without causing any damages to any other utilities, including the charges of conveyance and hire for tools and plant, bailing out water, lighting, watching, ribbon fencing, providing caution boards, traffic diversion, including cost of materials and as per the direction of departmental officers etc., complete.

OD261910/2025-2026: (Data derived from100.48.2.5 and 100.48.2.6) EXPOSED PIPE - Rectification of minor joint leakages in 200 mm and 250 mm C.I. Pipe without trenching , without causing any damages to the line and specials, cleaning the joints including raking out the damaged lead wool, conveying and inserting hemp and lead wool and caulking after cleaning the ends, charging and testing to the required pressure, rectifying any defects noticed and without causing any damages to any other utilities, including the charges of conveyance and hire for tools and plant, bailing out water, lighting, watching, ribbon fencing, providing caution boards, traffic diversion, including cost of materials and as per the direction of departmental officers etc., complete.

OD261895/2025-2026:Rectification of joint leakages in 80mm-100 CI Pipe including earth work excavation in all kinds of soil for exposing leaking joint including tar cutting / concrete cutting, without causing any damages to the line and specials, cleaning the joints including raking out the damaged hemp and lead, conveying hemp and lead and providing lead joint after cleaning the joint, 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 utilities, including the charges of conveyance and hire for tools and plant, bailing out water, lighting, watching, ribbon fencing, providing caution boards, traffic diversion, including cost of materials and as per the direction of departmental officers etc. complete, but excluding the cost of pig lead.

OD261903/2025-2026: Rectification of joint leakages in 125mm-150mm CI Pipe including earth work excavation in all kinds of soil for exposing leaking joint including tar cutting / concrete cutting, without causing any damages to the line and specials, cleaning the joints including raking out the damaged hemp and lead, conveying hemp and lead and providing lead joint after cleaning the joint, 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 utilities, including the charges of conveyance and hire for tools and plant, bailing out water, lighting, watching, ribbon fencing, providing caution boards, traffic diversion, including cost of materials and as per the direction of departmental officers etc. complete, but excluding the cost of pig lead.

OD261907/2025-2026:Rectification of breakages up to 2.0m length in 80mm-100mm CI Pipes , including earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, by cutting and removing and stacking the damaged portion from the existing line without causing any damages to the line and specials and replacing with the CI pipe with Collar and jointing with hemp & lead after cleaning the ends centering the pipe,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 & conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion and as per the direction of departmental officers etc. complete, but excluding the cost of pipes, collar and pig lead.

OD261898/2025-2026:Rectification of breakages up to 2.0m length in 125 to 150mm CI Pipes , including earth work excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, by cutting and removing and stacking the damaged portion from the existing line without causing any damages to the line and specials and replacing with the CI pipe with Collar and jointing with hemp & lead after cleaning the ends centering the pipe,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 & conveyance of tools and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion and as per the direction of departmental officers etc. complete, but excluding the cost of pipes, collar and pig lead.

OD261909/2025-2026:(Data derived from 100.50.1.1) Rectification of leakages EXCLUDING TRENCHING of 32mm, 40mm & 50mm G.I. Pipes -using GI pipe relacing up to one meter OR using PVC pipe (incase of threading/welding is not possible) by cutting, removing and stacking the damaged portion from the existing line without causing any damages to the remaining portion and conveying and replacing the damaged portion with PVC Pipes of suitable size OR REPLACING DAMAGED COUPLING/UNION/SPECIALS and jointing by coupler and union of suitable size including threading, alignment, laying and jointing to make a water tight joint,/ WELDING THE PIPE/UNION/COUPLING PORTIONS THREE OR MORE RUNS and testing the line to the required pressure, rectifying any defects noticed , 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, including the cost of specials or PVC pipe BUT EXCLUDING THE COST OF WELDING,GI PIPES IF IT IS REQUIRED and if trenching is required for expose the pipe line and welding is required ,paid separately for welding and trenching work as per the direction of departmental officers etc., complete

OD261912/2025-2026:(Data derived from 100.50.1.3) Rectification of leakages EXCLUDING TRENCHING of 65 mm, 80 mm and 100 mm G.I. Pipes using GI pipe up t one meter OR using PVC pipe (in case of threading/welding is not possible) by cutting, removing and stacking the damaged portion from the existing line without causing any damages to the remaining portion and conveying and replacing the damaged portion with PVC Pipes of suitable size OR resetting the pipe with existing coupling /union and specials REPLACING COUPLING/UNION/SPECIALS and jointing by coupler and union of suitable size including threading, alignment, laying and jointing to make a water tight joint,/ WELDING THE PIPE/UNION/COUPLING PORTIONS THREE OR MORE RUNS and testing the line to the required pressure, rectifying any defects noticed , 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, including the cost of specials or PVC pipe BUT EXCLUDING THE COST OF WELDING ,GI UNION, GI PIPES IF IT IS REQUIRED and if trenching is required for expose the pipe line and WELDING IS REQUIRED ,paid separately for welding and trenching works as per the direction of departmental officers etc., complete

OD261913/2025-2026:(Data derived from 100.50.1.5) Rectification of leakages EXCLUDING TRENCHING of 125 mm and 150 mm G.I. Pipes using GI pipe required length up to one metre by cutting, removing and stacking the damaged portion from the existing line without causing any damages to the remaining portion and conveying and replacing the damaged portion OR resetting the pipe with existing coupling /union and specials and jointing by coupler and union of suitable size including threading, alignment, and jointing to make a water tight joint,/ WELDING THE PIPE THE UNION/COUPLING OTHER DAMAGED PORTIONS PORTIONS THREE OR MORE RUNS and testing the line to the required pressure, rectifying any defects noticed , 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, including the cost of specials BUT EXCLUDING THE COST OF WELDING ,GI UNION and if trenching is required for expose the pipe line and WELDING IS REQUIRED ,paid separately for welding and trenching works as per the direction of departmental officers etc., complete

OD261899/2025-2026: Welding GI pipe/ M.S. pipe and special by gas or electric plant for three run welding including cost of welding rod / gas, all labor and hire charges of tools etc., complete. but excluding the cost of earth works as per the direction of departmental officers.

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.

OD261902/2025-2026:Repairing 80/100/125mm sluice valve in existing line including necessary trenching for exposing the valve, removing the vertical end, dismantling the top cover, spindle shutter and cleaning the same, inside pipe, resetting the valve and providing the gland packing and refixing etc. complete as directed including cost of all materials, sundries, IR sheet, nut bolt and labour charges

OD261897/2025-2026:Repairing 150/200/250 mm sluice valve in existing line including necessary trenching for exposing the valve, removing the vertical end, dismantling the top cover, spindle shutter and cleaning the same, inside pipe, resetting the valve and providing the gland packing and refixing etc. complete as directed including cost of all materials, sundries, IR sheet, nut bolt and labour charges

OD275563/2025-2026:Conveyance of bleaching powder from Division store to various pump houses including loading and unloading, head loading to pump houses, hire charges for vehicles etc. complete as directed

OD261901/2025-2026:Engaging Fitter for additional works such as disconnection of water connection from the saddle point as per the request of the consumer, any additional works in connection with with leak rectification works which are not included in the schedule including hire for his tools, wages etc., complete on an emergency situation as per the direction of departmental officers

OD261906/2025-2026:Engaging man mazdoor for any additional works, assisting fitter for nonscheduled items as per the direction of departmental officers etc complete

OD266747/2025-2026:Periodically check the tanks and Washing and cleaning various GLSR,OHSR, Sump using brooms, brushes and bleaching powder by engaging coolies, scrubbing once/twice if it is required , 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 without causing any damage to the existing structure and installations, including the operation of valves,/clearing the surrounding premises of the tank ,removing jungles including conveyance and hire charges of tools and as per the direction of the department officers etc. complete.

50.2.3.1:Pumping or Bailing out water and removing slush etc by using pump set including cost of labour, oil hire charges of pumpset, etc complete

50.2.25.1:Filling with contractor's own earth ( excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-in-charge

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.

100.1.1: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.

OD261896/2025-2026:Supplying ,conveying and spreading ready made bituminous pathole patching mix on the trenches inlcuidng levelling ramming including the cost of materials, conveyance labour charge etc complete as per the direction of departmental officers.

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)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

SUPPLY SPECIALS AND MATERIALS

100.98.9:Supply of Lead Wool

OD261914/2025-2026:Supply of Pig Lead

OD261917/2025-2026: Supply of 80mm CID /90 mm CIR Joints with rubber ring and nut bolts, including cost of all material ect. complete

OD261916/2025-2026:Supply of 100mm CID /110 mm CIR joint Joints with rubber ring and nut bolts, including cost of all material ect. complete

OD261918/2025-2026:Supply of 150mm CID/160 mm CIR Joints with rubber ring and nut bolts, including cost of all material ect. complete

OD261915/2025-2026:Supply of 200mm CID Joints with rubber ring and nut bolts, including cost of all material ect. complete

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