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| 1 | Drilling of borewells of size 6\" to 8\" dia. in sedimentaryformation using hand boreset including insertion ofcasing pipe etc., and supplying and packing of pebbles(Conveyance of hand bore set including loading andunloading to be done by the contractor) |
| 2 | Supply and Delivery of 150 mm Diaof Plain and SlottedPVC Casing Pipe of plain and slot includingallcostandconveyancewith labour charges for erection etc Complete.150mm dia Plain PVC casing pipe(CS) |
| 3 | 150mm dia Slotted PVC casing pipe(RS) |
| 4 | Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the TWAD Board Officer Upto 60 m depth ending below ground level |
| 5 | Labour charges for inserting casing pipes assembly (Withslot or without slot) in the drilled hole including welding the joint etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer |
| 6 | Charges for developing the Borewell with aircompressor of 600 CFM capacity (Minimum8 Hours) including transportation, labour and fuel charges for compressor as directed byTWAD Officers and conducting yield test by‘V’ notch method. |
| 7 | Conducting Electrical Logging Test including all charges etc., complete with as per standards |
| 8 | Suplying ofPipe materials for Water Supplyetc., Complete As Follows etc. 75 mm HDPE hose |
| 9 | 75 mm ss Collar |
| 10 | 75 mm MS Clampset |
| 11 | 75 mm Flange set |
| 12 | Wooden EB Box |
| 13 | 10 HP Starter |
| 14 | 63 A Main switch |
| 15 | 100 Amps FuseCarrier |
| 16 | Bore cover |
| 17 | 4 Sqmm core Cable |
| 18 | 7/20 GI Pipe (3.00 m) |
| 19 | Tube Light Fittings |
| 20 | LED Light Fittings |
| 21 | PVC insulation Tape (16.05 m) |
| 22 | GI Pipe L (80 mm) |
| 23 | GI Nipple 80 mm |
| 24 | GI Pipe 80 mm (1.00 m) |
| 25 | Supplyand deliveryofsubmersible motor and pumpset in the duty of 30 lpmx 100 m head of isi of approved company with isi make is 8034, 2.00 HP motor including cost and conveyanceand all labour charges and allother incidental chargesVAT taxesetcand minimum one year guarantee . Complete as per standard specification. |
| 26 | Labour charges for errection Submersible pumpset inborewel including fixing and jointing cables with proper clampsupto starter to required depthvalves errection pressure gauges upto the exterior wall of pump room and errection of panel boradwith |
| 27 | Supply and run of 4 X6 sq.mm (84/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade on 7/20 Gl bearer wire for service connection mains etc, complete as per standard specifications.SD 68 |
| 28 | Supply and fixing of TNEB Board suitable for 3 Phases 63A service connection made up of suitable angle iron frame work of size 2 feet x 1 1/2 feet using angle iron of size 1 1/2\" x 1 1/2\" x 1/4\" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos 63A fuse units(500V) 1 No. Neutral link, copper earth flat of size 1\" x 1/4\" with inter connection of EB meter to fuse units by 7/16 PVC insulated copper wire with earth connection complete.SD 129 |
| 29 | Earthing as per P.W.D. standard with an earth electrode of 2Mtr. Class \"B\" GI pipe of dia not less than 32mm complete with necessary masonry work. etc, complete as per standard specifications SD 234 |
| 30 | Protection arrangement to Bore well as per Board Circular No.F.ADD/AE2 (R) Kanchi/2002 /date 3.5.2002. |
