DEPOSIT TWSS 2025_26 Replacement of existing old and damaged AC pipelines with PVC pipes in Kesavadasapuram ward along with associated connection alterations under Kowdiar section

Amount

App.A1 - Working charges-Replacement of 150mm AC pipe with 160mm PVC pipe in Lekshmi Nagar-EK Nayanar Library road

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.

15.59:Dismantling of flexible pavement ( bituminous courses ) by mechanical means and disposal of dismantled material up to a lead of 1 kilo metre, as per direction of Engineer-in-charge.

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.

100.8.1: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.

100.9.11: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): 160 mm nominal outside diameter pipes.

100.98.1009:Engaging Fitter ( grade 1).

100.98.1008:Engaging Coolie.

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.

OD256321/2024-2025:Alteration of 20mm (3/4 inch) house connection with 15mm (1/2 inch) water meter from existing PVC / HDPE pipe up to 200mm dia., up to a length of 5 m using 25mm Indian Standard Class 6 uPVC pipe and uPVC / GM / Brass specials viz. brass ferrule, GM full way wheel valve, Elbow, MTA, couplers, PVC Service Saddle of suitable size etc. and connecting with the mains, testing the joints etc. complete including trenching and refilling in all kinds of soil up to a depth of 1.50m for main line tracing and trench of average cross section 0.3m x 0.75m for laying connection pipe and service pipe,, lighting, watching, providing caution boards, traffic control etc. complete including cost of materials, hire for tools, cost of consumables and labour charges but excluding cost of water meter and meter box and excluding charges for cutting the concrete / tarred / bituminous roads etc, and as per the direction of the departmental officers

100.60.3.2.1:Providing additional length of house connection pipe using 25mm Indian Standard Class 6 uPVC pipe and specials and testing the joints etc., by trenching and refilling in all kinds of soil with trench of average cross section 0.3m x 0.75m for laying of connection pipe and service pipe, lighting, watching, providing caution boards, traffic control etc., including cost of materials, hire for tools, cost of consumables and labour charges etc. complete, but excluding the cost of cutting of concrete / tarred / bituminous roads etc., and as per the directions of the department officers

OD267787/2024-2025:Interconnection of existing pipe lines with newly laid PVC pipe lines of size 50/63/75/90/110/160mm or GI pipelines of size 40/50/65/80/100mm using PVC equal Tee including charges for earth work excavation in all classes of soil and refilling, fencing, all labour charges, cost of all required materials, hire charges etc. complete as per direction of dept. officers.

100.31.1.4: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): 150mm diameter, Class I.

100.46.2.4:Repairing leakage/breakage of 150mm A.C. pipeline by cutting and dismantling the damaged pipe portion (above 1.5m up to 3.0m) including charges for earthwork excavation in all kinds of soil including tar / concrete cutting for exposing leak portion of the pipe, operating control valves if any, conveying to the site and cutting new A.C. pipe to the required length, re-jointing the pipeline using C.I.D. Joints, testing the pipeline by operating the valves concerned, and rectifying the defects any noticed and without causing any damages to the existing utilities and refilling the trenches using excavated earth in layers not exceeding 20cm depth including consolidating each layers by ramming, watering, charges for removing surplus soil from work site, including hire for tools and plant, conveyance of tools and materials, bailing out water, providing caution boards, lighting, watching, ribbon fencing, traffic controlling etc., complete as per the direction of Departmental officers excluding the cost of pipe and C.I.D. Joints.

OD193602/2025-2026:Dismantling existing drainage house connections and reconnecting the drainage house connections after completion of work including cost of PVC line and all required fittings

100.99.2:Dismantling 80 mm ACpipe (Rate 50% of 100.23.1.1 - Conveying and Laying Charge)

100.99.13:Dismantling CID Joint - 1.No (Rate 50% of 100.24.1- Jointing Charge)

OD193520/2025-2026:Providing and fixing of 80mm P-tube for valve operations at branch lines with narrow width, including supply of pipe, specials, cover slab concrete and other works

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.

OD193570/2025-2026:Carriage of excavated earth by mechanical transport within a distance of 5km as per directions of departmental officers

OD193571/2025-2026:Disposable of marshy excavated earth including conveyance and loading charges etc complete

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.

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)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

App.A2 - Supply of materials

100.98.239:Supply of PVC Pipe, 10kg/cm2, 160mm Dia.

OD256313/2024-2025:Supply of 160mm CIR joint

OD261530/2024-2025:Supply of 150mm CID joint

OD256310/2024-2025:Supply of 160mm dia. 90/45 degree PVC 12.5Kg bend/elbow

100.98.460:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 150mm.

OD256308/2024-2025:Supply of 160mm PVC 12.5Kg Tail piece (Market rate).

OD256316/2024-2025:Supplying of 160 mm dia.12.5Kg End cap (Market rate)

OD256314/2024-2025:Supply of 160x110mm dia. PVC 12.5Kg reducer.

OD256312/2024-2025:Supplying of required type 110x90mm dia. PVC Reducer (Market rate).

OD256309/2024-2025:Supply of 160mm dia. PVC 12.5 Kg equal Tee

App.A3 - Construction of valve chambers

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

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)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

OD256320/2024-2025:Providing and fixing in position industrial type pressure gauges (inside manometric fluid type with range - 0-7kg/sqcm) with gun metal/brass valves in pipe lines including all specials etc complete

OD268974/2024-2025:Supplying 600 mm dia DI MH cover with frame (Heavy duty)

Mohandas M (BID ID -2436246)

MOHANAKUMAR V (BID ID -2431546)

M R CHITHRASENAN (BID ID -2432680)

Bidder Name

MOHANAKUMAR V

M R CHITHRASENAN

SASIDHARAN NAIR V

Mohandas M