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| 1 | Geophysical Investigation charges including preparation of geophysical report as per TWAD Board type circular including all cost of transportation and handling charges etc.,complete |
| 2 | Drilling 150 mmDiaborewellin Hard rock areas anywhere in the state inculding transportation to site of work in hardrock areas inculding labour charges for insertion of MS casing pipe and flushing of borewell and for minutes. ( As per MD TWAD Board Chennai Letter No : F.251112/Drilling rate/A[4]/COM/2021, Dated:27/4/2022 ) |
| 3 | 0m to 150m |
| 4 | 151m to 180m |
| 5 | 181m to 210m |
| 6 | 211m to 240m |
| 7 | Supply and delivery of200mm OD 6KSCPVC casing pipe for bore well with best approved quality conforming to ISSincluding all cost and convayance of material to site and labour charges for errection of pipe to the borewell etc., complete. |
| 8 | Supplying and fixing in position of the following PVC / G.I pipes and specials best approved quality conforming to ISS and providing leak proof joint with PVC adhesive etc.,complete complying with standard specification. |
| 9 | 5.00 Hp Submersible motor 75 LPM x 225m Head |
| 10 | 5.00 Hp Pannel Board |
| 11 | 4.00 sqmm 3core copper cable |
| 12 | 50mm UPVC Pipe |
| 13 | 40mm G.I \"B\" Class pipe |
| 14 | 40mm G.IHeavy coupling |
| 15 | 40mm Gun Metal Gate Valve |
| 16 | 90mm Pvc Coupling |
| 17 | 90mm PVC Tee |
| 18 | 90mm PVC Elbow |
| 19 | Kisok box |
| 20 | 160mm PVC Borewell Dummy |
| 21 | Borewell pipe MS Clamp |
| 22 | 90mm Pvc pipe 6 kgs |
| 23 | 1000Lit Tank |
| 24 | Earthwork excavation in all soils and sub soils except hard rock not requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per standard specification. as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10 (For Pipe) |
| 25 | Refilling with excavated earth after laying the pipes into the trencheswell rammed and compactedthe surplus earth over the pipeline trench including leveling the site complete complying with standard specifications includingall labour charges etc., Complete as per Standard Specifications.(For Pipe) |
| 26 | Supply and run of 4 x 6 sq.mm.(56Nos/0.3mm.Dia) PVC insulated single core unsheathed copper conductor cable of 1100 V on 7/20 G.I. bearer wire for service connection mains (SD 68) |
| 27 | Supply and Run of 4 x 4 sq.mm(84/0.3) PVC insulated Sc unsheathed Cu.Conductor of 1100V grade in 25mm dia G.I pipe (\"B\"class) suitable bend at both ends with necessary angle iron up right and end supports for mains.SD-73) |
| 28 | Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable withproper 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. |
