Tender For Supply And Installation Of 250 Kva Automatic Servo Controlled Voltage Stabilizer / Transformer And Allied Works, And Source Improvement Works By Drilling Of 2 Nos Of Bore Wells, Flushing Of 1 No Existing Borewell With Pumpsets And Separate Conn
Tender Value
25.28 Lakhs
Estimated cost
Bid Submission
17 Aug 2026
6 days left
EMD
20000
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Tiruchirappalli → Tamil Nadu
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender For Supply And Installation Of 250 Kva Automatic Servo Controlled Voltage Stabilizer / Transformer And Allied Works, And Source Improvement Works By Drilling Of 2 Nos Of Bore Wells, Flushing Of 1 No Existing Borewell With Pumpsets And Separate Connecting Main From Proposed Bore Well To Existing Collection Sump At Koodapalli Headworks Under Cwss To Koodapalli And 97 Rural Habitations In Mannachanallur And Musiri Unions Of Trichy District. (Period Of Completion - 2 Months And Followed By Free Maintenance 3 Months)
BOQ
| Sl. No. | Item Description |
| 1 | TAMIL NADU WATER SUPPLY AND DRAINAGE BOARD EXECUTIVE ENGINEER, URBAN DIVISION, TRICHY Name of work:- Supply and installation of 250 KVA Automatic Servo Controlled Voltage Stabilizer / Transformer and allied works, and Source Improvement works by drilling of 2 nos of Bore Wells, Flushing of 1 no Existing Borewell with Pumpsets and separate Connecting Main from proposed Bore Well to existing Collection Sump at Koodapalli Headworks under CWSS to Koodapalli and 97 rural habitations in Mannachanallur and Musiri Unions of Trichy District. (Period of Completion - 2 months and followed by Free maintenance 3 months) SCHEDULE - A (E – Tendering System) BILL OF QUANTITY |
| 2 | SUPPLY & INSTALLATION OF SERVO STABILIZER AND PROVIDING RCC CONCRETE PLATFORM FOR THE PROPOSED SERVO STABILIZER - AT KOODAPALLI HEADWORKS |
| 3 | Design Manufacture, delivery, Installation, testing and commissioning of automatic servo Transformer, OUTDOOR Unit including oil cooled floor mounted type weather terminated dust proof powder coated Oil tank with MV automatic control panel board of 14 SWG M.S Sheet and MS angle with enclosure,required No’s of copper multi strand wire winding with required current ratings including user Inter face LED display, Low voltage and High voltage cut off, Auto restart with delay, Over load relay, single phase preventer, and required no’s of 8 pin bottle type persistence relay for controlling of safety measures with required number of on/off switches, indication lamps for indicating present position and 96mm x 96mm voltmeter digital type and 96mm x 96mm Ammeter digital type and Internal panel wiring suitable for low voltage operation at the wide range of 245V to 500V of connected induction to load. |
| 4 | 250 Kva/150A Rating Automatic control servo Transformer OUTDOOR at Koodapalli Headworks |
| 5 | Supply and delivery of 1.1KV Grade Armoured Aluminium Conductor cross linked Poly Ethylene insulated PVC sheathed cables conforming to IS 7098(Part I)/1998 |
| 6 | 3 Core 240 sq.mm |
| 7 | Laying the above cable as per I.E.rules |
| 8 | Jointing of the above L.T cables 3 core 1.1 KV grade Armoured Aluminium conductor cable confirming to IS 1554 Part I with ISI marking including Jointing materials lugs, clamps,etc |
| 9 | Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m hard stiff clay, stiff black cotton soil, hard red earth , shales, murams,gravel, stoney earth and earth mixed with small boulders and hard gravelly soil (SS 20B) |
| 10 | Supply and filling the foundation and basement with clear river sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by TWAD Board Officers. |
| 11 | Levelling course with P.C.C 1:4:8 (one cement, four sand and eigth course aggregate) using 40 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the TWAD Board Officers. |
| 12 | Reinforced cement concrete 1:1.5:3 (one cement, one and half sand, three course aggregate) using 20mm size hard blue granite stone (machine crushed) for concrete Platform excluding cost of reinforcement, fabrication and placing the grills in position and excluding cost of centering, shuttering, strutting but including curing and finishing mixing concrete using machanical mixer machine and compaction by machanical vibrator etc., complete and as directed by TWAD Board Officers. |
| 13 | Centering for soffits of reinforced concrete slabs or plane surface or circular curved surfaces including strutting upto to required height using MS sheets of size 90cm x 60cm and BG 10 gauge stiffened with welded MS angle of size 25mm x 25 mm x 3mm laid over silver oak (Country Wood) joists of size 10cm x 6.5cm (Spaced at about 90cm centre to centre) and supported by causrina props of 10cm to 13cm dia. (Spaced at 75cm centre to centre) complying with standard specification as per TWAD Board Officers -including the cost of strutting shuttering and all labour charges at Different levels |
| 14 | Supplying fabricating and placing in position of RTS grills at all heights for reinforcement including cost of steel for all works and labour charges including cost of binding wire etc., complete for all RCC works and as directed by TWAD Board Officers. |
| 15 | FLUSHING OF 1 NO. EXISTING BOREWELL WITH SUPPLY & INSTALLATION OF PUMPSET WITH STARTER |
| 16 | Rate for flushing of borewell of 6” dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD fficer and conducting yield test by ‘V’ notch method if required. |
| 17 | 125 Cfm (100 PSI) |
| 18 | Supply and delivery of vertical wet type submersible pumpset (7.5 HP) capable of discharging any of the following pumpset in having a duty of 400 LPM agaist a total head of 40 m suitable for erection into the Bore well of 150mm dia with stainless steel shaft, bronze impeller. |
| 19 | The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. |
| 20 | The pumpset should be provided with 3m length of suitable size PVC insulated copper flat cable connecting the pumpset & starter. The pumpset should conform to IS 8034/89 and as amended thereafter and bear ISI marking. |
| 21 | Supply and delivery of Star-Delta 7.5HP starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 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 button switches, 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). Three Phase Star-Delta 7.5HP Starter |
| 22 | Labour charges for erection of submersible pump set in Bore well including fixing and jointing the submersible cable with clamps to the required depth, valves and errection panel board control room twin erathing as per I.E Rules, GI wire etc. complete including testing pumpset |
| 23 | DRILLING OF 2 Nos pf BORES IN SEDIMENTARY AREA IN ALLUVIAL SOIL SANDY STRATA USING CLAX DRILLING RIGS |
| 24 | DRILLING of borewells any where in Tamil Nadu including transportation from one place to another within Tamil Nadu in alluvial soil or sedimentary strata of clay and sand stone, shale, pebbles boulders etc. By first taking a pilot bore of 140mm / 150mm dia and then enlarging to required dia by direct or reverse rotary mud, circulation method, using Clax rigs, fuel, labour and drilling bentonite and water required for drilling at site. Site will be shown by the TWAD Board officers including construction of mud pit. |
| 25 | Drilling 140 /150 mm pilot bore. |
| 26 | upto 60 m.. Depth ending below Ground level. (10m Depth for Each Borewell) |
| 27 | Reaming from 140 /150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Bd. Officers. |
| 28 | upto 60 m.. Depth ending below Ground level. (10m Depth for Each Borewell) |
| 29 | Reaming from 300 mm dia pilot bore to 400mm/450mm dia bore as directed by the TWAD Bd. Officers. |
| 30 | upto 60 m.. Depth ending below Ground level. (10m Depth for Each Borewell) |
| 31 | Labour charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC couplers with cement paste etc. complete. Supply and packing the annular space with pebbles of size and quality as approved by the Executive Engineers TWAD Board. |
| 32 | 200 mm dia casing pipes assembly. (10m Depth for Each Borewell) |
| 33 | Charges for developing the bore wells 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. (10 hours for Each Borewell) |
| 34 | Supply and Delivery of unplasticised plain PVC Casing pipes for the following dia in 3m length with screwed and Socket ends and centering guides for every 15m length of pipes as per IS 12818/1992 and as amended from time to time to suit deep borewells upto 80 m to 250m depth (CM) for delivery at site within ISI marking including loading unloading, freight, transit insurance and inclusive of all taxes etc complete. DN 200mm PVC plain casing pipes. (2m for Each Borewell) |
| 35 | Supply and Delivery of unplasticised ribbed screen PVC Casing pipes for the following dia in 3 m length wtith screwed and socket ends and centering guide for every 15 m length of pipes as per IS 12818 /1992 and as amended from time to time to suit deep borewells for delivery at site within ISI marking including loading unloading, freight, transit insurance and inclusive of all taxes etc complete. DN 200mm Ribbed screen pipe. (8m for Each Borewell) |
| 36 | Supply and Delivery and fixing of DN 200 mm PVC end plug suitable for the above pipes with ISI marking inclusive of all taxes etc complete. (1 No for Each Borewell) |
| 37 | Supply and Delivery and fixing of DN 200 mm MS Cover of size 1 cm x 3mm suitable for the above pipes inclusive of all taxes etc complete. (1 No for Each Borewell) |
| 38 | SUPPLY, DELIVERY AND ERECTION OF SUBMERSIBLE PUMPSETS FOR BOREWELL |
| 39 | Supply and delivery of vertical wet type submersible pumpset (7.5 HP) capable of discharging any of the following pumpset in having a duty of 400 LPM agaist a total head of 40 m suitable for erection into the Bore well of 150mm dia with stainless steel shaft, bronze impeller. (1 set for Each Borewell) |
| 40 | The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. |
| 41 | The pumpset should be provided with 3m length of suitable size PVC insulated copper flat cable connecting the pumpset & starter. The pumpset should conform to IS 8034/89 and as amended thereafter and bear ISI marking. |
| 42 | Supply and delivery of Star-Delta 7.5HP starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 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 button switches, 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). Three Phase Star-Delta 7.5HP Starter (1 set for Each Borewell) |
| 43 | 32 A Three phase MCB with ISI mark of reputed make to control the supply (1 No for Each Borewell) |
| 44 | Power capacitor of 2 KVAR capacity with ISI marking of reputed make with Test Certificate (2 KVAR for Each Borewell) |
| 45 | Supply and delivery of 1.1 KV grade 3 core PVC insulated 6.00 sq.mm copper flat submersible cable as per IS 694/1990 and with ISI marking of reputed make for submersible motor erected in the bore well. (60 m for Each Borewell) |
| 46 | Supply and delivery of GI pipes and specials as per relevant IS specification for Bore well listed below inserting GI Pipe pipe in wall, cement patch up etc, and as per drawing enclosed including cutting and threading of pipes. |
| 47 | 65 mm GI /Medium Pipe (12 m for Each Borewell) |
| 48 | 65 mm GI flange set ( Heavy ) (1set for Each Borewell) |
| 49 | 65 mm MS clamp set ( Heavy ) (1set for Each Borewell) |
| 50 | 65 mm GM non return valve (1 No for Each Borewell) |
| 51 | 65 mm GM gate valve (1 No for Each Borewell) |
| 52 | Labour charges for erection of submersible pump set in Bore well including fixing and jointing the submersible cable with clamps to the required depth, valves and errection panel board control room twin erathing as per I.E Rules, GI wire etc. complete including testing pumpset (1 No for Each Borewell) |
| 53 | SEPARATE PUMPING MAIN ALIGNMENT FROM PROPOSED 2 NOS OF BORE WELLS TO Collection Sump at Koodapalli Headworks |
| 54 | Supply and delivery of HDPE Pipes as per IS 4984/2016 and as amended from time to time as directed by TWAD Board officers. |
| 55 | 90mm Dia HDPE PN 6 pipes (60m for Each Borewell) |
| 56 | Earth work excavation and depositing on bank with an initial lead of 10m and lift of 2m for laying of pipes in hard stiff clay, stiff black cotten,hard red earth, shales, murams, gravel, stoney earth and earth mixed with 50% fair sized boulders and hard gravelly soil for laying and jointing of pipes and specials and fittings including shoring and strutting where ever necessary including dewatering of water and all other incidental charges such as barrigading,lighting but excluding cost of refilling with the excavated earth etc complete and as directed by the TWAD Board Officers. |
| 57 | 90mm Dia HDPE PN 6 pipes (30m for Each Borewell) |
| 58 | Lowering HDPE pipes and specials to trench and laying to proper grade and alignment, and as directed by TWAD Board Officers. (60m for Each Borewell) |
| 59 | 90mm Dia HDPE PN 6 pipes (60m for Each Borewell) |
| 60 | Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part 2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers. |
| 61 | 90mm Dia HDPE PN 6 pipes (7 Joints for Each Borewell) |
| 62 | Refilling of the trenches with excavated soil complying with standard specification after the pipes and specials are laid jointed and tested to the required pressure and depositing the surplus earth at places as directed by the TWAD Board officers. |
| 63 | 90mm Dia HDPE PN 6 pipes (30m for Each Borewell) |
| 64 | Supply,delivery and fixing of GI/PVC Specials as per IS specification |
| 65 | 65mm GI Class B (12m for each Borewell) |
| 66 | 65mm GI Elbow (1 No for Each Borewell) |
| 67 | 65mm GI Coupling (2 Nos for Each Borewell) |
| 68 | Lowering GI pipes and specials in the trenches and laying to proper grade and alignment and as directed by TWAD Board Officers. |
| 69 | 65mm GI Class B (12m for each Borewell) |
| 70 | Cutting of GI pipes and as directed by TWAD Board Officers. |
| 71 | 65mm GI pipes (3 nos for Each Borewell) |
| 72 | Threading of GI pipes and as directed by TWAD Board Officers. |
| 73 | 65mm GI pipes (6 Nos for Each Borewell) |
| 74 | Sub Total |
| 75 | GST @ 18% Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 10, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 17, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 6 daysAug 18, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 7 daysTender Documents
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