Tender For Source Improvement In Cwss To Ukkal - Kottakarai And 13 Other Habitations In Tiruvannamalai District - Drought Mitigation Work Under Sdrf 2026-27- Execution Period- 1 Month, Free Maintenance Of Scheme -1 Month- E-Submission.
Tender Overview
Project Description
Tender For Source Improvement In Cwss To Ukkal - Kottakarai And 13 Other Habitations In Tiruvannamalai District - Drought Mitigation Work Under Sdrf 2026-27- Execution Period- 1 Month, Free Maintenance Of Scheme -1 Month- E-Submission.
BOQ
| Sl. No. | Item Description |
| 1 | Drilling of new borewell |
| 2 | Drilling of 150 mm dia bore wells in overburden area to any requied depth as directed by TWAD Board Officers including labour charges for inserting casing pipes, assembling in the drilled hole, including welding the joint if necessarily grountingthe casing pipe |
| 3 | Drilling of 150 mm dia bore wells in Hard rock area to any requied depth as directed by TWAD Board Officers pipe. |
| 4 | Supply and delivery of 200mm PVC Casing pipes as per IS 12818/1992 including taxes etc compleate |
| 5 | 200mm dia PVC casing pipe |
| 6 | Construction of Bore pit in and around the Bore Well as per TWAD Board type design including cost of BW protection (RWS Data) |
| 7 | Supply and delivery of following upvc column Pipes & specials as per IS Specifications and as amended from time to time |
| 8 | 65 mm upvc column pipe |
| 9 | Supply and delivery of following GI Pipes & specials as per IS Specificationsand as amended from time to time |
| 10 | 65mm GI Elbow |
| 11 | 65mm GI Nipple |
| 12 | 65mm GI Flangeset |
| 13 | 65mm MS Clamp set |
| 14 | 65mm GI Medium pipe |
| 15 | Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or GGG 50 and disc of ductile cast iron GGG 40 or GGG 50 with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/liquidcoating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P) it is a resicoat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 yearswarranty |
| 16 | 65mm DI NRV |
| 17 | HDPE pipes for connecting main with allied works for New Borewell source |
| 18 | Supply and delivery of the HDPE pipe at site of following sizes of specials with ISI marking for jointing with Pipes including loading, freight unloading, stacking, insurance etc., complete and as directed by the TWAD Board officers |
| 19 | 90 mm HDPE pipe PN-6 for BW |
| 20 | Earth work excavation and depositing on bank with initial lead of 10 m and initial lift of 2m in narrow trenches for laying of pipes for water supply in the following types of soil, Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil |
| 21 | 90 mm HDPE pipe PN-6 for BW |
| 22 | Lowering of HDPE PN 6 pipes and specials to trench and laying to proper grade and alignment including jointing as as directed by the TWAD Officers |
| 23 | 90 mm HDPE pipe PN-6 for BW |
| 24 | 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. |
| 25 | 90 mm HDPE pipe PN-6 for BW |
| 26 | Refiling with excavated sand or other loose soil complying with standerd specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested. |
| 27 | 90 mm HDPE pipe PN-6 for BW |
| 28 | Testing of HDPE pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure inconvenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidential and operational charges etc., complete |
| 29 | 90 mm HDPE pipe PN-6 for BW |
| 30 | Supply and delivery of GI pipe Specials |
| 31 | 80mm to 65mm GI reducer Heavy |
| 32 | 80mm GI pipe |
| 33 | 80mm GI elbow |
| 34 | 80mm GI Cutting |
| 35 | 80mm GI Threading |
| 36 | 80mm GI Flange set |
| 37 | 80mm GI Hex Nipple |
| 38 | 80mm NRV |
| 39 | 80mm GM Gate Valve |
| 40 | New Borewell Pumpset and Allied works for new Bore well |
| 41 | Supply and delivery of wet type submersible vertical pumpset suitable for 150mm dia Borewell confirming to IS 8034/2002 as amended thereafter and BEE 3 star rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft, and dynamically balanced bronze or cast SS impeller , brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark ,The pump shall be directly coupled to a continuous rated two pole suitable wet type vertical squirrel cage induction motor as per IS 9283/1995 as amended thereafter suitable for operation in AC three phase 415 V +/- 10% , 50HZ +/- 5% |
| 42 | 200 LPM x 75m head pumpset |
| 43 | Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately). |
| 44 | 7.5 HP |
| 45 | Supply and delivery of 6 sq.mm PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as directed by TWAD Board officers |
| 46 | Erection of power pumps in borewell labour charges for erection of twin packer duplex type jet pumps in borewells upto 150 mm dia including fixing of Suction pipe regulating valves with jet assembly upto a maximum depth of 30 m and delivery pipe valves pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three indicator lamps capacitor and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumps and trail run for 10 days including signing of completion of reports as required by EB authorities and finishing the pipe holes including the foundation bolts, nuts and earth pits. |
| 47 | cables |
| 48 | Supply and delivery of LT 3 Core 1.1 KV Grade Armoured Aluminium conductor cross linked Polyethylene insulated PVC sheathed cables conforming to IS 7098 (part I) /1988 with ISI Marking |
| 49 | 95 sqmm Cable for proposed BW |
| 50 | Laying of 3 Core Aluminium Armoured cable as per IE Rules |
| 51 | Below GL including earth work per meter |
| 52 | upto 95 sqmm Cable |
| 53 | Inside the pump room or air in meter |
| 54 | upto 95 sqmm Cable |
| 55 | Labour charges for jointing of LT cables 3 core 1.1 KV grade armoured aluminium conductor cable conforming to IS 1554 part I with ISI marking including jointing materials |
| 56 | 95 mm Sq.mm 3 core |
| 57 | Maintenance of the scheme for 1 months periods at Free of cost |
| 58 | Maintenance of the project for the specified period by necessary maintenance crew with supervisory staff and keeping necessary specials required for pumping main/Connecting main/ Pump room/pumpsets etc.readily available to ensure uninterrupted water supply to the beneficiary including all cost towards spares,consumables, chemicals, repairs and renewal excluding cost of electrical energy payable to TNEB during maintenance period which can be got reimbursed by the Employer etc.complete as directed by TWAD Board officers. |
| 59 | Add GST @ 18 % on Basic Value Please Enable Macros to View BoQ information |
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