Urban Ugglomeration Repacking Filter Bed at 36MLD at Vellayambalam Providing Air Compressor relaying underline air pipe including refilling the filter medium of the Filter Bed 2 to 6 of WTP

Amount

1. REPACKING FILTER BED

100.55.1:Supplying of 2 to 6 mm and 6 to 12 mm size fine pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.

100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.

100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.

100.55.4:Supplying and stacking for measurement of filter sand having effective size 0.45 to 0.70 mm and uniformity coefficient 1.30 to 1.7, of specific gravity in the range of 2.55 - 2.65 and hard and clean, free from clay, dust and other impurities including cost of materials, labour charges and conveyance of materials up to 5 km and as per the directions of the department officers etc. complete and as per CPHEEO specification.

100.55.5:Removing filter media from the filter beds without making any damages to the existing structures and back manifolds and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete.

100.55.6:Cleaning, drying and seiving the removed filter media and stacking the dismantled pebbles for reuse and spreading in the filter box in layers as per specifications and as per directions of the department officers.

OD214247/2022-2023:Replacing the perforated laterals under the bed, conveying fixing and installing 90mm uPVC pipe (10kg) with suitable size perforations without making any damages to the existing structure as per the direction of the departmental officer

OD214248/2022-2023:Carryout repair plastering works on the walls floor of the filter bed, repair works of the under drain system, including replacement of pipes/nozzles, if any and placing concrete. if required as directed by dept engineer, (including labour and materials but excluding pipes

100.15.1:Conveying and laying Double Flanged (Screwed / Welded) Centrifugally (Spun) Ductile Iron Pipes of Class K-9 conforming to IS: 8329, excluding cost of pipe and specials: 100mm diameter Ductile Iron Double Flanged Pipes.

OD214249/2022-2023:Supply of 100mm GI medium pipe as per the direction of departmental officers.

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)

15.3:Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge.

15.5:Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work ( Payment shall be made on the cross sectional area of R.C.C. or R.B work) as per direction of Engineer-in-charge.

15.7.4:Demolishing brick work 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.In cement mortar

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)

OD214250/2022-2023:Supply, erection and commissioning of Twin lobe air compressor with capacity 27.5m3/m, pressure 0.35kg/cm2 compressor RPM within 2000, motor drive of 7.5HP with 1400rpm preferable, the accessories include common base frame, suction filter, suction silencer, discharge silencer, pressure guage, non-return valve. safety valve, v-belts, belt guard, drive and driven pulleys, anti-vibration pads all fixing nuts and bolts with interconnecting pipe and motor

100.31.1.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class I.

OD214251/2022-2023:Supply of 100mm double flange air globe valve

18.30.2:Providing flanged joints to double flanged C.I./ D.I pipes and specials, including testing of joints:100 mm diameter pipe

100.37.5.1:In situ fabrication of M.S. pipes of size 100mm (I.D.) using 8mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete.

100.37.5.2:Fabricating M.S. flanges of diameter 100mm using 12mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.5.3:Cutting 100mm (I.D.) M.S. pipes for making bends and other specials by gas cutting including cost of gas, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.5.4:Welding 100mm (I.D.) M.S. pipes for making bends and other specials by gas/electric welding machine including cost of gas and welding rods, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.5.5:Grinding cut and weld edges of 100mm (I.D.) M.S. pipes during fabrication work including all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

OD214252/2022-2023:Conveying and laying 300mm-500mm size CI Gate valve to the existing valve and stacking the dismantled materials at a suitable place in the office premises, inclusive of cutting the old bottle, chipping and repairing the concrete wall, steel supporting structure, etc if necessary

100.98.1008:Engaging Coolie.

2. DAILY WORK

100.98.1008:Engaging Coolie.

100.98.1009:Engaging Fitter ( grade 1).

OD214245/2022-2023:Hire charge for Generator 100 KVA/125

OD214246/2022-2023:Engaging light crane of capacity 3 ton

100.98.1028:Engaging Mason ( average).

100.98.1032:Engaging Technician.

Bidder Name

ARUNDAS Y R