DEPOSIT-Karunagappally MunicipalityCWSS to Oachira, Alappad, Clappana and Karunagappally Municipality-Laying of 75 mm PVC (6kg/cm2) pipe from Kandanattu Junction to Krishna Madom Junction in Division 1 of Karunagappally Municipality

100.59.1: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.

15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road

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.

100.9.7: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): 75 mm nominal outside diameter pipes.

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

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

OD195547/2024-2025:Cost of PVC specials(Bends, Tee, Coupler, Tailpiece for valve, End caps etc)

OD195548/2024-2025:Inter connection works of newly laid 75mm PVC with existing 90,110mm PVC/80mm, 100mm AC distribution lines including earth work excavation in ordinary soil exposing the pipe in cutting the existing line fixing using specials with help of solvent cements and necessary protection work and bailing out water back filling the trenches and controlling the valve including cost of specials, labour charges etc. complete as per the direction of departmental officer.

100.59.2: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.