NNT 2024-2025 SINGAMPUNARI TOWN PANCHAYAT

Amount

Drilling of borewell anywhere in Tamilnadu including transportation from one place to another place within Tamilnadu in alluvial soil or sedimentary strata of clay and sand or sand, stone, shale, pebbles, boulders etc., by first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia by direct or reverse rotatry mud and circulation method using Contractor’s rig, fuel, labour, drilling, betonite mud and water required for drilling at the site shown by the TWAD Officers including construction of mud pit (only Calyx drills are to be used).

Supply and delivery of 150mm blue plain PVC casing pipe (165mm dia OD -CS) as per standard specification(Cost including Excise duty

Labour Charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including the jointing the pipes with PVC couplers with cement paste etc. complete

Charges for developing the borewell with air compressor of 300 CFM capacity (Minimum 8 Hours) including transportation labour and fuel charges for compressor as directed by TWAD Board Officers and conducting yield test by ‘V’ notch method.

Drilling of 150 mm bore well in Hard rock formation using rig including transportation and fuel charges of Rig to site and all labour charges etc complete

Earth work excavation in all classes of Soils such as Hard Stiff Clay, Stiff Black Cotton, Hard red Earth, Shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, Spreading, leveling, sectioning breaking clods etc., in all incidental charges etc., complete as per standard specification.

Cement Concrete of mix 1 : 4 : 8 (One Cement four sandEight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placing in position including shoring, strutting, forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250mm thick specification including premixing the materials with water at OMC in mechnanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH

Supplying and laying Precast Designer Paver Block confirming to IS 1568-2006 specification manufacturing and laying standard of M40 grade 63 mm thick (table clauses 5 and 9.14) suitable for bus terminals industrial complexes road on expensive soils etc., including the cost of paver block of size 225mm x 12.50 mm x 63mm and conveyance of materials to work site mentioned in the tender schedule cost of loading and unloading handling during over sand bed of 150mm thick (excluding the cost of sand) conveyance paver block cutter to site and hire charges of vibrators and block cutter operator and labour for leveling the sand to paver block etc., complete ISI 15658-2006.

Supply and delivery of following materials as per ISI specification including cost and conveyance to site and all labour charges etc complete

1.5H.P submersible motor 15 lpmX 60m head Single Phase (IS 8034.(Asper TWAD Board Rate-2024-2025)

Panel board for 1.5HP submersible motor)

2.5 sq.mm PVC insulted copper flat cable(IS-690/1990)

MS Bore clamp set using MS flat 10 x 3 mm for 5" bore pipe

M.s Bore cover

32 mm UPVC Pipe

Nylon Rope

1000 Litre Hdpe Tank

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

Supply and run of 2x1.5 sqmm (22/0.3) PVC insulated SC unsheathed Cu. Conductor of 1100V grade on 7/20 GI bearer wire for service connection mains.(PWD standard data No.SD. 64).

Supply and run of 2x1.5 sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade in 25mm dia GI pipe (Class ‘B’) suitably bent at both ends with necessary angle iron upright and end supports for mains(PWD standard data No.SD. 69).

R ALAGU (BID ID -1190103)