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Construction of 60,000 Ltr OHT at Elangakuruchi Boys School Near in Ayanreddiyapatty Panchayat in vaiyampatty Block in Tiruchirappalli District under District Collectorate CFC Grand Savings Fund -2025-26.
Sand filling for foundation with clear river sand including cost of sand watering, ramming and consolidation etc complete as directed by TWAD Board officers.
Civil Work
Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation (G.I/ P.V.C/ M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore only
Civil Work
Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation (G.I/ P.V.C/ M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore only
Embankment protection
Quarrying,collecting,supplying and stacking of hard granite stone boulder of at least 30cm in length in any direction, 50kg. in weight and 0.028 cum in volume from approved quarry free from weather skin surface and other deleterious materials dumping the stones in rip raps, spur and slope protection works including filling the interstices with small stones wedging and packing surface to proper line leveles including fixing wave breakers etc.including cost,conveyance,royalty taxes of all materials of approved quality with uniform colour and texture from approved quarry with all leads,lifts delifts including dumping in water hire charges of boats, lunch etc. and all other incidental charges with quality control test etc.complete asper specification and direction of the Engineer in Charge (Measurement to be taken in level section & 1/6th voids will be deducted from the finished levelsection and payment will be made to the quantity so arrived between the stack measurement and level section after deduction of 1/6th voids, which ever is less).
Embankment protection
Quarrying, collecting and supplying hard granite stone boulders of 15cm to 30cm in size, free from weathered skin surface and other deleterious materials dry packing for slope protection works in river embankments including surface packing in all heights and depths including filling the interstices with small stones, wedging and hammering etc. including cost, conveyance, royalty, labour cess and transportation of all materials of approved quality with uniform colour and texture from approved quarry with all leads, lifts, delifts etc. and all other incidental charges with quality control tests required to complete the work as per specification and direction of the Engineer-in-Charge.
Rejuvenation And Repairing of TW/DCB at various WSS under JEN Urban under Sub. Dn. Srivijaynagar Dn. Anoopgarh (Canal Closure 2026)
2.2 Construction of Tube Well from ground level and upto 100 mtr. depth to accommodate housing and assembly pipe in all type of alluvium strata, unconsolidated formation such as pebbles, boulders etc. by percussion/ rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications for removal of overburden. The work includes the cost of lowering of casing pipe, but excludes the cost of casing pipe. 2.2.1 Nominal bore 200 mm dia.