Rectification Works of 2 nos Small Water Supply Schemes Under Package-2 to Panachikkad Grama Panchayath in Kottayam District

APPENDIX 1-PARUTHUMPARA NEERTHULLI

Supplying and erection of openwell submerssible motor,column pipe,panel board,earthing,NRV etc.

Providing and fixingCI 125mm double flanged sluice valve including material and labours

providing and fixing 63mm PVC VALVE INCLUDING MATERIAL AND LABOURS

providing and fixing 75mm PVC VALVE INCLUDING MATERIAL AND LABOURS

Providing and fixingCI 65mm double flanged sluice valve including material andlabours

Source ladder

tank cleaning

Water quality test

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.

Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffic diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation.

Refilling the trenches with a wet mix of close graded granular materials (Stone aggregate - 25mm nominal size - 17.5%, Stone aggregate - 10mm nominal size - 17.5%, Crushed Stone - 2.36mm to 12.5mm - 25%, Stone chippings / screenings - 4.75mm nominal size - 20%, Stone chippings / screenings - 150 micron nominal size - 20%), mixing properly after adding sufficient quantity of water, refilling in layers not exceeding 150mm, compacting properly at Optimum Moisture Content with Surface Plate Vibrator and disposing the excavated material etc. complete, including traffic control, providing caution boards and as per direction of Engineer-in-charge for road restoration works in pipeline leak sites

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): 20 mm nominal outside diameter pipes.

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.25 mm nominal outside diameter pipes.

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):40 mm nominal outside diameter pipes.

Supply of PVC Pipe, 10kg/cm2, 20mm Dia.

Supply of PVC Pipe, 10kg/cm2, 25mm Dia.

Supply of PVC Pipe, 10kg/cm2,40mm Dia.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

APPENDIX 2-CHANNANIKAD SLEC

Supplying and erection of openwell submerssible motor,column pipe,panel board,earthing,NRV etc.

Providing and fixingCI 50mm double flanged sluice valve including material andlabours

Mobile operating system

Water quality test

Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)