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| 1 | Drilling of Borewells anywhere in Tamilnadu including transporation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles bouulders etc.,By first taking a pilot bore of 150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel,labour and drilling bentonite and water required for drilling at site and including construction of mud pit etc.,complete |
| 2 | Reaming140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer.( TWDB page no : 281-12b ) |
| 3 | Supply and Delivery of unplasticised PVC Casing Pipes of the following diametre in 3 metres length with screwed and socket ends and centering guides for every 15m length of pipes as per IS 12812 / 92 and DN 4925 and as amended from time to time to suit deep borewells as above 250m depth for delivery at site including loading unloading freight transit and insurance etc.,complete. |
| 4 | Supply of 150mm Nominal dia (6\") Deep borewell PVC Plain casing PipesRS wall thickness of 13.0mm to 14.30mmat site of work |
| 5 | Supply of150mm nominal dia (6\") deep bore well PVC ribbed Screen PVC casing pipes RSwith suitable 1.00mm horizontal slot with having open areas |
| 6 | Supply of 150mm dia OD PVC End cap as per special specification. |
| 7 | supply and delivery of32 mm upvc Column pipe As per Es 4984/1995( TWDB page no : 24) |
| 8 | Conducting electrical logging (including conveyance charges and as directed by the TWAD Board officers)( TWDB page no : ) |
| 9 | Earthwork excavation for foundation in all soils and to the full depth as may be directed except hard rock not requiring blasting inclusive or shoring, shuttering and bailing of water wherever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and compacted deposition the surplus earth in places shown by Departmental Officers with initial lead of 10 Meters and lift of 2 meters and lift of 2 meters and clearing leveling the site etc., complete.For Pipe line Cutting |
| 10 | Supplying and filling of sand in foundation and basement including watering and ramming to consolidation etc., complete as per standard specification. |
| 11 | Cement concrete 1:4:8 mix (one cement four sand eight aggregate) using 40mm ISS gauge HBG metal for foundation including cost and conveyance of all materials and all labour charges for mixing, laying, ramming, curing concrete etc., complete as per standard specification. |
| 12 | Brickwork in cement mortar 1:5 (one cement / five sand) mix using II class Ground moulded chamber burnt bricks of size 9\" x 4-1/2\" x 3\" including all cost and conveyance of all materials as per standard specification. |
| 13 | Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X60cm 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 |
| 14 | Reinforced Cement concrete 1:1.5 :3 (one cement, one and half sand & three course aggregate) using 20mm gauge hand broken/ and broken granite stone for all RCCitemsof works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and alsoincluding fixingfan clamps and fixtures in rccworkswherever necessary as directed by departmentalofficer etc., complete. |
| 15 | Suppling and fabricating and placing in position MS(or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost ofsteel and binding wire also in all floors. |
| 16 | Plastering with cement mortar 1:5,12 mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306) |
| 17 | Painting two coats for Exterior surface with approved Exterior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification. |
| 18 | Supply and Delivery of of Submersible Motor Pump Set 1HP with Duty Condition of 15LPM and 80 m Head with ISI Make Suitable for150 mm Size Bore Well as per IS 8034 Specification.etc., Complete |
| 19 | Supply and Delivery of PVC Insulated and Sheathed 3 core flat type 2.5 Sq mm Copper flat Submerciple Cable As per Special Specification |
| 20 | 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 depthand 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. |
| 21 | 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. |
| 22 | Supply and delivery and fixing of 1000 litre capacity HDPE tankas per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc., |
| 23 | Supply , delivery and fixing of following pipes and specials including all labour charges as per Standard Specification. |
| 24 | 32mm G I Bend |
| 25 | 32mmG I Coupling |
| 26 | 32mmG I Elbow |
| 27 | 32mmG I Union |
| 28 | 20mm Gi Tap |
| 29 | Female Threaded Coupler |
| 30 | Male Threaded Adapter |
| 31 | 32mm UPVC Pipe |
| 32 | Nylon Rope |
| 33 | 90mm PVC Pipe |
| 34 | Supply and run of 2 of 1.5 sq.mm. (22 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V grade on 7/20 GI bearer wire for service connection mains.SD64 |
| 35 | Supply and run of 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated single core unsheathed copper 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.SD-69 |
| 36 | Supply , delivery and fixing of following pipes and specials including all labour charges as per Standard Specification. |
| 37 | 32mm Gi Pipe |
| 38 | 25mm Pvc Pipe |
| 39 | Supply and delivery of MS Kiosk of size0.75m x 0.45m x 0.75m made up of MSangle of size 50mm x 50mmx 4mm alroundcovered with 16 gauge MS sheet and kioskdoor made up of MS plates of size 25 mm x3 mm including cutting, welding, grinding,locking arrangements and labour chargesetc., |
| 40 | Supply and fixing of TNEB meter board suitable for 32A single phase service connection with 32A fuse unit (500V) 32A neutral link and earth link (1\" x 1/8\" copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1\" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit |
| 41 | Supply and delivery of Single phase Panel Board direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/single Phase/50HZ(± 5%) and 230 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push buttonswitches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately). |
