Annual Maintenance of LI Schemes under MI Section Perumbavoor-Koodalapad, Pantheerazhipara, Vellaramugal, Vazhakkulathuchira, Kandanthara, Painkimala, Onamveli, Kannamkulam and Perumani LIS for the year 25-26

Appendix-A Leak rectification, Clearing suction pit and leading channel

2.32:Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil

2.10.1.2:Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil. and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m: All kinds of soilPipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia

60.2.2:Bailing out water Using 5HP Pump- Bailing out water with 5HP engine and pump set including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

OD37001/2025-2026:Engaging beldar for opening and clearing pipe culvert and syphon well, cleaning pump house and premises

OD37000/2025-2026:Supplying and fixing plastic mesh, 25X25X2mm, for trash rack to fixing GI pipe frames including cost and conveyance of all materials and labour charges etc. complete

50.10.2:Steel work for purlin/single section with G I pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

50.18.9.8.1:Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 75 mm dia 6 Kgf/ cm2

OD37002/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 110 mm dia 8 Kgf/cm2 ( data based on 50.18.9.10.1 & KW224)

OD36996/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 140 mm dia 6 Kgf/cm2 ( data based on 50.18.9.10.1 & KW215)

OD36993/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 160 mm dia 6 Kgf/cm2 ( data based on 50.18.9.10.1& KW216)

OD36999/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 160 mm dia 10 Kgf/cm2 ( data based on spec code 50.18.9.10.1 & KW239)

OD36997/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 200 mm dia 8 Kgf/cm2 ( data based on 50.18.9.10.1 and KW227)

OD37004/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 250 mm dia 6 Kgf/cm2 ( data based on 50.18.9.10.1)

OD36998/2025-2026:Providing and fixing uPVC pipes includings jointing of pipes with one step pvc solvent cement, trenching , refilling & testing of joints complete as per direction of Engineer in Charge. 250 mm dia10 Kgf/cm2

18.59.1:Providing and fixing C.I double acting air valve of approved quality with bolts, nuts, rubber insertion etc. complete ( The tail pieces, tapers etc. if required will be paid separately):50 mm dia

18.31.3.1:Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertion etc. (the tail pieces if required will be paid separately): 150 mm diameterClass I

18.31.1.2:Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertion etc. (the tail pieces if required will be paid separately): 100 mm diameterClass II

18.34.1:Constructing masonry chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand: 4 graded stone aggregate 20 mm nominal size), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand: 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design:With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

OD36994/2025-2026:Leak rectification work in 250mm 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 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, providing caution boards, lighting, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.( Data based on 100.47.2.7 and cost of CIR joint from KWA -SILK)

OD37005/2025-2026: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 includingcutting 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, providing caution boards, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.( Data based on 100.47.2.6 and cost of CIR joint from KWA -SILK)

OD37003/2025-2026: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 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, providing caution boards, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.( Data based on 100.47.2.4 and cost of CIR joint from KWA -SILK)

OD36995/2025-2026: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 cutting the pipe diametrically perpendicular to the axis of pipeline without causing any damages to the balance portion, dismantling and lifting tlighhe 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, providing caution boards, watching, traffic control etc., complete as per the direction of Departmental officers, including the cost of pipe & specials C.I.R. Joints; uPVC Pipes and specials shall be of good quality and conforming to relevant standards: Socket & C.I.R. Jointing.( Data based on 100.47.2.3 and cost of CIR joint from KWA -SILK)

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