Public Works Department-PWD has published Tender For Survey, Providing, Installation, Testing And Commission Of Dual (Operable On Grid And Spv Supplies) Powered Submersible (Bore Well) Pumping Unit At Karpokhar Sanko For Drinking Water Supply. (Under Jjm). Submission Date for this Tender is 28-08-2023. Bore Well Tenders in sankoo Jammu And Kashmir. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 26-Aug-2023 | Extension of date | Date | 28-08-2023 |
| 2 | 26-Aug-2023 | Corrigendum | Other | 28-08-2023 |
| Sl. No. | Item Description |
| 1 | Providing, installation, testing and commissioning of submersible multistage centrifugal pump vertical type coupled to 3-phase asynchronous induction motor(hermetically sealed) with cables and safety rope etc) having the following technical specifications/requirements |
| 2 | Rising main/Dia----------------- 250 RM/ 50mm Bore dia--------------------------200mm Design discharge Q ----- 2.5 LPS Head (dyn)-----------------200m Motor --------------------- 11 kW± 5% or 15 HP (or OEM’s discretion preferably around15 HP) (Tentative and design to be submitted on the basis of standard data) Motor speed -------------2880 rpm at synchronous speed (2 pole) Motor efficiency---------95% or above Pump efficiency -------- 70% (or above) Type ----------------------Vertical Phase ------------------- 3 phase Type of lub ---------- -- oil/water (preferably water cooled) Control panel ------Variable Frequency Drive (VFD) with dual option for Solar/grid supply Circuit breaker --------- 32 Amp ± 10% Cable size --------------06 sqmm (copper) as per IS694 Insulation ---------------XLPE Safety wire -------------to be quoted The unit must be inherently designed for Over load protection Over heat protection Over current/under current protection (complete in all respects) |
| 3 | Providing and winding of pipe heating cable (standard make conforming to relevant ISI/ISO/IEEE (515.1) or equivalent certification) around the delivery header upto a substantial depth to be decided by the engineer in-charge, as per the site conditions and highly efficient winter friendly hassle free (replaceable) thermal insulation for pump casing below ground level to maintain the inner ambient temperature of the casing between 15-25°C by way of designing, providing and installing sensor operated thermostat of approved brand conforming to relevant ISI/ISO/IEEE/ASME or equivalent standards, to render the pumping unit operable the year round. The cable shall draw the energy from the SPV/AC supply proposed for the scheme.Complete job of The job also includes providing and installation of GPS monitored flow meter of approved make conforming to the relevant ISI/ISO/ASME standards. specifications temperature to be maintained --- 15-25 °C power output-----5W/ft for bore well power output--------8 W/ft for dug well (closed) tinned copper bus wires armoured jacket thickness (min)---------0.10 mm jacket material --------silicon polymer/ with copper ground braid |
| 4 | Designing, providing, installation and testing of VFD (dual purpose) grid & solar supply strictly conforming to relevant ISI/ISO/IEEE standards, compatible for the above pump rating.complete job in all respects |
| 5 | Supply, installation and testing of array junction box IP 65 with fuse, surge protection and necessary diode arrangements. complete job in all respects |
| 6 | Designing, providing, installation, testing and commissioning of shock proof, Photo Voltaic Solar panels. No of photo voltaic panels --------------------60 Operating temperature for Solar cell-20°C to +45°C Temperature coefficient ------------ - 0.286 to 0.4 Max power at STC---------------- 79% to 82% Module efficiency ----------------20 or more PV Modules specifications: The PV module shall contain mono/multi crystalline silicon solar cells: Power of a single module :330 W ± 5% Open circuit voltage: 44-46V Voltage at max. power :35-38 V Current at max. power : 8-9 A Series fuse ratings :10 A or as required Application class ratings:Class A Fire ratings: Class-C The PV module shall be as per IEC 61215 revised specifications. Certification ---------- MNRE/ISI/ISO/IEEE/IEC or equivalent Other details/technical specifications/requirements not mentionedin the BOQ should be provided as per the site requirements and incorrespondenceto the requirements as per laid national/international standards Complete in all respects |
| 7 | Providing and fixing in position/grouting in M 20 concrete (crushed aggregate 20mm), of mounting frames and fixtures, as per given details: Hot dip galvanized steel structure (6040×2.9 mm) designed to cater to min 150 Km/hr wind speed and/or to bear the weight of min 1m high snow on solid foundation made of reinforced cement concrete being enough to hold the weight of structure (to be developed separately. Height of the panel holding structure upto 10 ft from the surface of the foundation block. Running length of ISA to be used for structure specified above should not be less than 150 ft.etc @ 0.14kg/w (Complete job in all respect) |
| 8 | Providing and fitting of UPVC (Un plasticized Polyvinyl Chloride) Pipe of dia 63mm ASTM-D-1785 SCH-40 |
| 9 | Maintenance free earthing: SITC of maintenance free chemical Earthing using Electrode of size 76 mm dia, 85meter long connected with 50x6 mm GI internal strip complete with excavation, civil works, cast iron cover with back fill compound. The voltage between Neutral & Earth not to exceed 0 volts & IR value less than 1 ohm. The earth resistance shall be as per IS 3043. The job also includes connecting of earthing to the equipment as per directions of the site engineer using 25x6 GI Strip. |
| 10 | Complete tool kit as required by the SPV and pumping unit including installation gantry and 01 tone chain pulley block |
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