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| 1 | Provision for Geological Survey for locating Drilling Borewell which is the water available point as per Maching record, Rock Stata with yield Particulars including cost of issuing the report about servey and recomatation etc complete. |
| 2 | Drilling of 12\\" dia vertical borewell so as to have a finished size of 6\\" dia borewell in boulder area to any required depth as decided by the TWAD Board officers including Transportation from one place to another place with in Tamilnadu state by direct or reverse rotary mud circulation method using Contractors rig tools, fuel,loboures,bentonite mud and water required for drilling at the site shown by the TWAD officers including construction of mud pit etc. using only calyx rigs.(page No;-198 item 12A twad schedule of rate2024-25 ) |
| 3 | a)Drilling 300 to 400mm dia Pilot Bore upto 60m depth ending below ground level (page No;-199 item 12B twad schedule of rate |
| 4 | 0.00 to 60.00 M |
| 5 | 60.00 to 90.00 M |
| 6 | 90.00 to120.00 M |
| 7 | Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the TWAD Board Officer. |
| 8 | 0.00 to 60.00 M |
| 9 | 60.00 to 90.00 M |
| 10 | 90.00 to120.00 M |
| 11 | Supply of unplasticied PVC ribbed screen casing pipe and plain casing for borewells in 3M length screened and threated socket ends with couplers as per IS 12828/89 to suit deep borewells. |
| 12 | a)200 mm casing Pipe For Upto 80m depth pipe assembly (with slot). (page No;-6 item 1.1 twad schedule of rate ) |
| 13 | b)200mm dia casing Pipe For Upto 80m depth pipe assembly (without slot). (page No;-6 item 1.1 twad schedule of rate ) |
| 14 | c)200mm dia end cap Bore Well Cover. |
| 15 | Labour charges for inserting PVC casing pipes assembly (with and without slot) in the drilled hole including jointing the pipes with cement paste complete and packing annualar space with pebbles of size and quality as approved by the departmental officers.(page No;-201 item 13A twad schedule of rate ) |
| 16 | Charges for developing the borewell with air compressor of 600 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 (page No;-201item 13.b twad schedule of rate ) |
| 17 | Supply and delivery of clear water vertical wet type 3Phase 7.5HP submersible pumpset 100x200m LPMXH suitable for150mm dia borewell conforming to IS8034/2002 asamended there after andBEE 3StarRated capable of discharging noted LPMagainst head of water column due to all causes.The pump shall be with stainless steel shaft and dynamically balanced bronzeor Cast SSimpeller ,brasss crews and CIFG 200grade pump bowl/diffuser with ISI mark.The pump shall be directly coupled to acontinuos rated two pole suitable wet type vertical squirrel cage induction motor as pe rIS9283/1995asamended there after,suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %(page No;-104 item 3.1 twad schedule of rate ) |
| 18 | Supply and delivery ofS tar-Delta starter confirming to IS13947and IEC 60947-1suitable KWrating for operationin AC/ThreePhase/50HZ(+/-5%)and415V(+/-10%)including 3pole magnetic contactor with under voltage release-3nos.,CT operated Ammeter (65mmdia)with suppresseds cale,Voltmeter(65mmdia), Voltmeterselectorswitch,Miniaturecircuitbreaker,ThermalOverloadrelay,AirBreakcontactorssuitablefornextStandardhigherKWrating,Singlephasingpreventor,dryrunningpreventorandOn/OffPushbuttonswitches,wiringwith1sq.mm/4sq.mmcopperpvcinsulatedcable,powdercoatedverminproofbox,including the capacitor (page No;-120 item 11.2 twad schedule of rate) |
| 19 | 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.(page No;-204item 17.C twad schedule of rate ) |
| 20 | Supply and erection of PVC Insulated 3core multi strand fire retardant flexible copper 6sq.mm cable with ISI mark conforming to IS 698/1990 |
| 21 | Supply and delivery of the following water supply and electrical material with ISI make |
| 22 | BP Rope |
| 23 | 50MM GI Union |
| 24 | 50mm GI Bend |
| 25 | 50mm GI coupling |
| 26 | Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements and labour chargesetc.,(page No;-91item 18 twad schedule of rate ) |
| 27 | Earth work excavation and depositing on bank withinitial lead of 10 m and lift of 2 M in narrow trencheshaving bed width 1.25m & below for laying of pipes forwater supply and sewerage works in the following typeof soils as directed by Departmental officersSand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B (page No;-188 item 1 twad schedule of rate ) |
| 28 | Supply and delivery of the following water supply material with ISI make |
| 29 | 75mm PVC Pipe |
| 30 | 75mm PVC Elbow |
| 31 | 75mm PVC Coupler |
| 32 | 75mm PVC Tee |
| 33 | 75mm PVC End Cap |
| 34 | 65mm GI pipe |
| 35 | 65mm GI Coupling |
| 36 | 65mm GI Bend |
| 37 | 75mm GI Flange set |
| 38 | Lowering Pvc and rigid / HDPE pipes and specials to trenchand laying to proper grade and alignment jointing with Pvc cuplers with cement paste(page No;-171 item 11b(i) twad schedule of rate) |
| 39 | 75mm Pvc pipe 6ksc |
| 40 | Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers |
| 41 | 65 mmGI pipe |
| 42 | Refilling with excavated sand complying with standardspecification for filling in foundation and basement (page No;-29 item W-0074 - PWD schedule of rate ) |
| 43 | Provision for GST 18 % Please Enable Macros to View BoQ information |
