OandM - Water Supply Schemes-ANNUAL MAINTENANCE 2022-23-MAINTANANCE WORKS AT VARIOUS DIVISIONS IN KOLLAM CORPORATION UNDER W S SECTION NO-1, KOLLAM

Amount

PART-1- PVC PIPE LINE LEAK ( LABOUR CHARGES AND CONTRACTOR SUPPLY)

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.

100.47.3.1: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.

100.47.2.2: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.

100.47.3.2: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.

100.47.2.3:Leak rectification work in 140mm 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.

100.47.3.3: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.

100.47.2.4: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.

100.47.3.4: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.

100.47.2.6:Leak rectification work in 200mm 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.

100.47.3.6:Leak rectification work in 200mm 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.

PART- 2 - AC PIPE LINE LEAK- (LABOUR CHARGES AND CONTRACTOR SUPPLY )

100.46.1.1:Repairing leakage/breakage of 80mm 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.

100.46.1.2:Repairing leakage/breakage of 100mm 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.

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.

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.

100.46.1.8:Repairing leakage/breakage of 250mm 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.

100.46.1.9:Repairing leakage/breakage of 300mm 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.

100.46.1.10:Repairing leakage/breakage of 350mm 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.

100.46.1.11.a:Repairing leakage/breakage of 400mm 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.

PART-3 (CI PIPE LINE LEAK)(LABOUR CHARGES AND CONTRACTOR SUPPLY )

100.48.2.5:Rectification of minor joint leakages in 200mm C.I. Pipe including earthwork 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 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 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.

100.48.2.6:Rectification of minor joint leakages in 250mm C.I. Pipe including earthwork 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 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 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.

100.48.2.7:Rectification of minor joint leakages in 300mm C.I. Pipe including earthwork 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 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 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.

100.48.2.8:Rectification of minor joint leakages in 350mm C.I. Pipe including earthwork 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 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 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.

100.48.2.9:Rectification of minor joint leakages in 400mm C.I. Pipe including earthwork 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 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 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.

100.48.2.10:Rectification of minor joint leakages in 450mm C.I. Pipe including earthwork 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 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 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.

PART -4 (GI PIPE LINE LEAK)( LABOUR CHARGES AND CONTRACTOR SUPPLY)

100.50.1.2:Rectification of leakages of 65mm G.I. Pipes by replacing lengths up to 1.0m including earthwork 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 conveying and replacing with G.I. Pipes of suitable size and jointing by thraded coupler and union of suitable size including threading, alignment, laying and jointing 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 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 cost of pipe and as per the direction of departmental officers etc., complete.

100.50.1.3:Rectification of leakages of 80mm G.I. Pipes by replacing lengths up to 1.0m including earthwork 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 conveying and replacing with G.I. Pipes of suitable size and jointing by thraded coupler and union of suitable size including threading, alignment, laying and jointing 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 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 cost of pipe and as per the direction of departmental officers etc., complete.

100.50.1.4:Rectification of leakages of 100mm G.I. Pipes by replacing lengths up to 1.0m including earthwork 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 conveying and replacing with G.I. Pipes of suitable size and jointing by thraded coupler and union of suitable size including threading, alignment, laying and jointing 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 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 cost of pipe and as per the direction of departmental officers etc., complete.

100.50.1.6:Rectification of leakages of 150mm G.I. Pipes by replacing lengths up to 1.0m including earthwork 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 conveying and replacing with G.I. Pipes of suitable size and jointing by thraded coupler and union of suitable size including threading, alignment, laying and jointing 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 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 cost of pipe and as per the direction of departmental officers etc., complete.

PART-5 (DI PIPE LINE LEAK)(LABOUR CHARGES AND CONTRACTOR SUPPLY )

100.49.1.4:Rectification of joint leakages in 250mm D.I. Pipe (cutting, removing and laying back a length of 1.0m from one side of the joint) including earthwork excavation in all kinds of soil for exposing leak portion of the pipe including tar cutting / concrete cutting, by cutting and removing a portion of pipe from the damaged joint without causing any damages to the remaining portion of the line and specials and replacing the pipe with mechanical and tyton joint after cleaning the ends, centering the pipe, providing the joints, 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 but excluding cost of mechanical joint and as per the direction of departmental officers etc., complete.

PART-3- ADDITIONAL QUANTITY OF ITEMS-( LABOUR CHARGES AND CONTRACTOR SUPPLY)

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

15.59:Dismantling of flexible pavement ( bituminous courses ) by mechanical means and disposal of dismantled material up to a lead of 1 kilo metre, as per direction of Engineer-in-charge.

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.

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

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

OD83679/2022-2023:Bailing out water from the trench engaged by man coolie

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

100.9.8:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 90 mm nominal outside diameter pipes.

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

100.9.9:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 110 mm nominal outside diameter pipes.

100.98.215:Supply of PVC Pipe, 6kg/cm2, 140mm Dia.

100.9.10:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 140 mm nominal outside diameter pipes.

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

100.9.11:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 160 mm nominal outside diameter pipes.

100.98.217:Supply of PVC Pipe, 6kg/cm2, 200mm Dia.

100.9.13:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 200 mm nominal outside diameter pipes.

OD83680/2022-2023:Supply of 90 mm CIR joint

OD83681/2022-2023:Supply of 110 mm CIR joint

OD83682/2022-2023:Supply of 140 mm CIR joint

OD83683/2022-2023:Supply of 160 mm CIR joint

OD83684/2022-2023:Supply of 200 mm CIR joint

OD83685/2022-2023:Supply of 80 mm CID joint

OD83686/2022-2023:Supply of 100 mm CID joint

OD83687/2022-2023:Supply of 150 mm CID joint

OD83688/2022-2023:Supply of 200 mm CID joint

OD83689/2022-2023:Supply of 250 mm CID joint

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)

OD161957/2022-2023:Supply of 65 mm GI pipe

OD161961/2022-2023:Supply of 80 mm GI pipe

OD162559/2022-2023:Supply of 100 mm GI pipe

OD162558/2022-2023:Supply of 150 mm GI pipe

TANK WASHING

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.

Bidder Name

AIONALCOELHO