O and M Water Supply Schemes Mace of karumalloor panchayath Urgent leak rectification work of 400mm premo joint in aluva paravur road using 400mm premo collar joint karumalloor panchayath General Civil Work

Working charges

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.

100.99.1:Add extra for the rate of Earth Work Excavation to account for the difficulty of excavation and the idling of the labour / machinery.

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.

OD274447/2025-2026:Fabrication and supplying of MS split clamp suitable for 400mm Premo pipe socket end using 32mm square rod bend into semi circular shape with end legs at both ends suitable for easy clamping, providing bolt holes 4nos at each ends, and providing bolt legs 8 nos on each sides with 8 nos bolt holes on ends for bolting 16 nos of 16mm dia bolts 45cm long and 8 nos 16mm dia 8cm long bolts including stiffening of bolt legs chamfering the edges 400mm, painting two coats including coast of of priming coat ets as per standards.

100.7.1:Bailing out water with 5HP engine and pump set including conveyance to the site, erecting, dismantling and taking back of engine and pump, cost of fuel lubricating oil and other stores pay of staff etc., complete.

100.98.1008:Engaging Coolie.

OD274282/2025-2026:Rectification of joint leakages in 400mm PREMO Pipe without causing any damages to the line and specials, cleaning the joints including raking out the damaged hemp and lead, conveyance charges, fixing the premo collar 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, lighting, watching, ribbon fencing, providing caution boards, including cost of materials and as per the direction of departmental officers etc. complete, but excluding the cost of pig lead.

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

16.78.2:Construction of granular sub- base by Providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, Carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge.With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25