DEPOSIT

Amount

Appendix-1 Working Charges for laying HDPE pipe in water

OD172417/2024-2025: Cleaning the bank of river and levelling alignment by engaging man coolies .Trenching the river bed in liquid mud and ordinary soil for laying HDPE pipes up to a depth of 1M below bed level using diving set and air compressor or using any other scientific method stocking the excavated soil at convenient place and refilling the trenches.

OD172419/2024-2025:Conveying and laying 75mm HDPE pipe in position by plotting the pipe in water, fixing RCC sleeves ( at 2.5 m interval , of a min. size of 0.3m)or anchor blocks with bolt and nut or plastic rope as per the direction by using country boat or engine driven boat, aligning the pipe line , lowering the pipe line in position into the trenches already made in the river bed, testing the pipe line to the required test pressure with potable water before back filling and leveling the trenches including the cost of all labour charges, hire for appliances etc. complete.

OD172416/2024-2025:Joining HDPE pipe/bend using 75mm HDPE Electro Fusion Coupler (materials supplied by the contractor) by Fusion welding machine, hire charges, Electricity charges, labour charges, etc. to complete.

OD172418/2024-2025:Casting RCC sleeves as per design with CC 1:2:4 using 20mm broken stone for 75mm HDPE pipe including hire for steel form work, plastic rope for tying the sleevs with the pipe, cost and conveyance of all materials, watering, curring etc. complete including the cost of cement and re-inforcement .

OD172448/2024-2025: Interconnecting the newly laid 75 mm HDPE pipe with existing 90mm HDPE pipe using specials supplied by the contractor, placing in position, jointing with nuts and bolts ,rubber packing and testing with required test pressure, including cost of all specials and labour etc. complete.

100.98.1008:Engaging Coolie.

100.98.1009:Engaging Fitter ( grade 1).

Appendix-2 Working Charges for laying HDPE pipe on land

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)

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.

100.7.1: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.

OD180214/2024-2025:Laying HDPE pipes (IS : 4984) on land portion including conveying within initial lead and aligning the pipes, electro-fusion welding using automatic or semi-automatic electrofusion machines, testing the pipeline thus fabricated to suit the hydraulic working pressure and after testing, aligning the pipeline, lowering the pipe in position into the trenches already made, testing the line to suitable pressure with potable water before back filling and levelling the trenches including all labour charge, hire for appliances etc., complete but excluding cost of pipe and fittings: 75mm Nominal Outer Diameter pipes.

OD172421/2024-2025:Interconnecting the newly laid 75 mm HDPE pipe with existing 75mm PVC pipe using specials supplied by the contractor, placing in position, jointing with nuts and bolts ,rubber packing and testing with required test pressure, including cost of all specials and labour etc. complete.

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)

100.98.1008:Engaging Coolie.

100.98.1009:Engaging Fitter ( grade 1).

100.32.1:Conveying and fixing C. I. Single Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 25mm Single Acting Air Valve.

100.32.2:Conveying and fixing C. I. Single Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 40mm Single Acting Air Valve.

Appendix-3 Cost of Materials

100.98.153:Supply of HDPE Pipe PE 100 (IS 4984/1995), 10kg, 75mm Outer Dia.

OD175914/2024-2025:75 MM PVC Endcap (rate from Finolex tradeprice list)

OD172424/2024-2025:Solvent Cement

100.98.440:Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm.

100.98.443:CI Air Valve, Conforming to IS 14848 - Supply of 2000, Single Orifice, Large Orifice Type S2, Size 45mm.

udayakumar (BID ID -2115481)

sathyan (BID ID -2115263)

Bidder Name

K M MADHU

sathyan

udayakumar