Tender For Executive Engineer, Public Works Electricity Department, Kolhapur Is Estimate No: 131196 Of 2026-2027-Providing 33/22 Kv Substation With 2 X 05 Mva Transformer For Proposed Medical College At Krushna Nagar, Satara Tal & Dist Satara Or Kama
Tender Value
1
Estimated cost
Bid Submission
15 Jul 2026
3 days left
EMD
1
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
Satara → Maharashtra
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Executive Engineer, Public Works Electricity Department, Kolhapur Is Estimate No: 131196 Of 2026-2027-Providing 33/22 Kv Substation With 2 X 05 Mva Transformer For Proposed Medical College At Krushna Nagar, Satara Tal & Dist Satara Or Kamachya. Online Rate Sheet Is Requested To Confirm The Rate For Non-Scheduled Items Which Are Necessary For Preparing The Estimate Sheet.
BOQ
| Sl. No. | Item Description |
| 1 | SITC (Supply Installation Testing and Commissioning) of factory-fabricated fully compartmentalized wall/floor-mounted AC Distribution Board (DB) for 22 KV Type-B configuration designed in accordance with IS 8623 IS 13947 IS 5133 IS 732 IS 3043 and IEC 61439 constructed from CRCA sheet steel of minimum 1.6/2.0 mm thickness with powder-coated finish (minimum 60–70 micron) IP42/IP54 protection class as specified complete with copper/Aluminium busbars (electrolytic grade) rated for required current with heat-shrink insulation neutral and earth busbars phase barriers internal wiring with FRLS copper conductors cable glands gland plates MCBs/MCBs/Isolators of B-curve type as applicable SPD (Type-2) for surge protection ELCB/RCCB for earth leakage protection indication lamps door interlocks lockable front access and nameplate the board shall include an incoming MCB/MCCB (B-curve/Magnetic-thermal type) and multiple outgoing circuits with B-curve MCBs sized as per load schedule with proper segregation of lighting raw power UPS-output and utility loads ensuring short-circuit withstand capability and discrimination/coordination as per IS/IEC standards DB shall incorporate internal busbar supports insulated barriers DIN rail mounting cable dressing channels earthing studs and anti-condensation space heater (if required) suitable for indoor operation in high-humidity and high-temperature environments routine tests including insulation resistance high voltage withstand functional checks continuity earth verification and mechanical operation tests shall be carried out as per IEC 61439/IS 8623 with certified test reports submitted for MDCC scope includes delivery FOR site fixing leveling earthing cable termination commissioning supervision and submission of SLDs wiring diagrams schedules and as-built documentation the complete AC Distribution Board shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 2 | SITC (Supply Installation Testing and Commissioning) of a complete Take-Off Structure for 22 Kv feeder with 3 outlets at 2x 5 MVA Transformer 33/22 kV Substation with 3 outgoing feeder having as application comprising structural steel members and all associated 22 kV line hardware and accessories designed as per IS 800 IS 2062 IS 875 and IS 1893 including supply of RSJ 116×100 mm rolled steel joist MS Channel 100×50 mm MS Flat 75×10 mm base plates gussets clamps and necessary structural fittings all duly fabricated drilled cut and hot-dip galvanized as per IS 4759 the scope includes supply and fixing of 22 kV AB Switch 400 A (triple-pole outdoor gang-operated complete with operating pipe handle GI accessories) 11 kV/22 kV Disc Insulators 70 kN with tension and suspension hardware sets GI pin insulators with GI pins 22 kV Station-type Lightning Arrestors with pedestal earthing terminals and disconnecting links 22 kV strain and suspension fittings and complete earthing system consisting of earthing sets clamps GI wires/strips and earth electrodes as per IS 3043 includes supply of GI Nut–Bolts GI Washers clamps and connectors suitable for 100 sq.mm AAAC or equivalent conductor conductor binding accessories DO/GO switch hardware and all miscellaneous materials required for proper assembly of the take-off structure the contractor shall carry out fabrication erection alignment grouting mounting of equipment insulator stringing hardware fitting bus connection earthing conductor termination testing and commissioning all components shall comply with the relevant IS/IEC standards and shall be suitable for continuous outdoor operation under high-humidity high-temperature and pollution-level conditions complete documentation including GA drawings structural drawings bill of materials fabrication schedule earthing layout and as-built documents shall be supplied the entire take-off structure including all structural steel hardware insulators switchgear fasteners earthing components and accessories shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 3 | SITC (Supply Installation Testing and Commissioning) of complete set of Clamps and Connectors suitable for 33/22 kV substation equipment and busbar systems manufactured in accordance with IS 5561 IS 2629 IS 2099 and relevant IEC standards including T-Connectors for 200 sq.mm AAAC or equivalent conductor (compression or bolted type) DO/GO switch connectors wedge connectors for 33 kV bus and equipment terminals connectors for transformer HV/LV bushings clamps for 33 kV Current Transformers and Potential Transformers clamps for 33 kV Isolators as well as clamps for 33 kV Circuit Breaker terminals all connectors shall be manufactured from high-conductivity aluminium alloy or tinned copper alloy as specified with smooth contact surfaces anti-oxidation grease stainless steel fasteners and proper compression/bolting arrangement ensuring low contact resistance and high mechanical strength clamps and connectors shall be suitable for conductor sizes up to 200 sq.mm AAAC designed to withstand thermal and dynamic stresses during full fault current conditions and shall be corrosion-resistant vibration-resistant and conform to the required current-carrying capacity scope includes supplying all connector assemblies with bolts nuts washers pads contact plates liners jumper fittings and accessories performing site fabrication and crimping using approved dies and compression tools installation on busbars equipment terminals CT/PT terminals isolator blades circuit breaker terminals and transformer bushings ensuring correct alignment and torqueing of all fasteners work further includes testing for continuity mechanical tightness conductor pull-out strength and verification of electrical contact quality before commissioning complete clamps & connectors assembly shall be delivered FOR site installed and tested as per approved drawings with all materials and workmanship covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 4 | SITC (Supply Installation Testing and Commissioning) of a complete Yard Lighting System for 2 × 5 MVA 33/22 kV outdoor substation comprising supply and installation of flood lights with weatherproof control gear boxes and 250 W Sodium Vapour (SV) lamps or LED equivalent (as specified) mounted on 9-meter long tubular steel poles (88.9C 137.7 mm diameter) conforming to IS 2713 including pole fabrication painting/galvanization base plates earthing terminals and foundation concreting in 1 3 6 mix with PCC blocks red bricks sand cushioning and proper backfilling scope includes supply and laying of LT XLPE armoured cable 4-core 10 sq.mm for main yard lighting feeders and LT 2-core 2.5 sq.mm armoured cable for individual light points including excavation of trenches sand bedding brick protection cable laying termination with double-compression glands and lugs testing for continuity and insulation and commissioning work also includes fixing of lighting brackets cable saddles earthing of poles with GI strip/wire internal wiring with FRLS copper conductors installation of lighting control switches junction boxes and accessories and carrying out illumination checks as per IS 3646 all fittings poles cables and accessories shall be rated for outdoor service with IP65/IP66 protection for luminaires and suitable mechanical/electrical strength for substation environmental conditions complete yard lighting system shall be delivered FOR site with full erection testing commissioning documentation and covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 5 | Supplying, installing, testing and commissioning of 3 phase 22/0.433 kV 50 Hz. 200 kVA Mineral oil immersed and naturally cooled outdoor type Copper wound Non-sealed transformer delta/star connected with additional neutral brought out on load side temperature rise should not exceed 40? by thermometer in oil and 45? by the resistance method in winding at full load rating using type A winding insulation (kraft paper) with HV tapping (with off load tap changer) off load +2.5 to -5 in steps of 2.5% having 4 number of tap positions with standard accessories complete with test certificate with losses below 819 Watts at 50% load 2415 Watts at 100% load as per IS 1180 (part 1) 2014 with necessary permissions of Electrical Inspector as per specification no SS- TR-NSL.[Substation Transformer] [10-1-16] |
| 6 | Supplying and erection of single piece nonlinear resistor type lightning arrestor suitable for 3 wire 33 KV overhead lines with rated voltage 30 KV (rms) with a nominal discharge current rating of 10 KA (station class) and complete with galvanised clamping arrangement G.I. bolts nuts washers etc. as required.(Non-CSR) |
| 7 | SITC of isolators with EB 800 A which shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 8 | SITC of isolators without EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 9 | SITC (Supply Installation Testing and Commissioning) of 33 kV 1600 A outdoor-type three-phase electrically operated Vacuum Circuit Breaker (VCB) conforming to IS 13118 IS 3427 IS 2544 IS 9921 and relevant IEC 62271 standards rated for system voltage 36 kV frequency 50 Hz and designed for a rated continuous current of 1600 A with a short-circuit breaking capacity of 25/31.5 kA (as specified) short-time withstand rating of 25/31.5 kA for 3 seconds and peak withstand capability of 62.5/80 kA VCB shall comprise vacuum interrupter poles housed in weatherproof rust-protected outdoor structure fitted with solid-core insulators/porcelain bushings motorized spring-charged mechanism manual charging provision trip and close coils anti-pumping relay mechanical and electrical interlocks ON/OFF mechanical indicators spring charge status indicator CT/VT mounting pads terminal pads earthing connections and fully wired control cabinet with IP55 enclosure containing protection relays (OC/EF/SEF/inst trip) control switches mimic diagram annunciation space heaters MCBs terminals marshaling arrangement and cable entry provisions breaker shall have operations counter mechanically trip-free feature low/high voltage cut-off for motor anti-condensation heater auxiliary contacts and all safety interlocks as per standard interrupters shall be capable of handling full rated duties including O–CO–CO operations dielectric withstand levels of 70 kVrms (1 min) and 170 kVp lightning impulse withstand and shall be tested for mechanical endurance of minimum 10 000 operations routine tests to include mechanical operation contact resistance high-voltage withstand timing tests insulation resistance auxiliary circuit continuity and functional checks as per IS/IEC requirements with certified test reports furnished for approval and MDCC VCB shall be suitable for high-temperature high-humidity corrosive outdoor conditions delivered FOR site with all accessories structures fasteners foundation bolts and local/remote control arrangements including supervision of installation testing and commissioning and covered under a 60-month (5-year) comprehensive warranty from the date of supply.(Non-CSR) |
| 10 | SITC (Supply Installation Testing and Commissioning) of outdoor/indoor type metal-enclosed floor-mounted sheet-steel Control and Relay (C&R) Panel for 33 kV for feeder breaker designed in accordance with IS 8623 IS 1248 IS 13947 IS 2138 IEC 60255 series and relevant IEC/IS standards fabricated from CRCA sheet steel of minimum 2.0/2.5 mm thickness fully compartmentalized dust- and vermin-proof with IP54/IP55 protection and complete with wiring terminals ferruling space heaters illumination lamps 230 V AC/24 V DC auxiliaries mimic diagram and control switches the panel shall be equipped with transformer protection schemes including numerical Differential Protection (87T) with high-stability biased differential relay Restricted Earth Fault (REF 64) Over-Current (50/51) Earth Fault (50N/51N) Instantaneous High-set OC/EF Buchholz Trip/Alarm Winding & Oil Temperature Trip/Alarm OLTC trouble alarm (if applicable) and annunciation system with LED windows and hooter the panel shall include trip and close pushbuttons TNC switch breaker control and supervision circuits trip circuit supervision relay test blocks ammeter/voltmeter with selector switches transducers auxiliary relays lockable control compartments cable glands/plates terminal blocks DC-DC converters if required and provision for SCADA/RTU interfacing through potential-free contacts/communication port all numerical relays shall comply with IEC 60255-26/27 have event/fault recording features disturbance recording programmable logic and self-diagnostic capability wiring shall use minimum 1.5 sq.mm FRLS stranded copper conductors with proper sleeves and tagging and the panel shall be factory-tested for insulation resistance high-voltage withstand functional testing of all relays/protections interlock simulation and scheme verification as per IEC/IS requirements with test certificates submitted for approval and MDCC the panel shall be supplied complete with all accessories drawings and documentation delivered FOR site including supervision of erection testing and commissioning and covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 11 | SITC (Supply Installation Testing and Commissioning) of outdoor-type free-standing floor-mounted Marshalling Box/Marshalling Kiosk for substation equipment fabricated from 2.0/2.5 mm CRCA sheet steel hot-dip galvanized or powder-coated for corrosion resistance with double-door construction neoprene gasket sealing stainless steel hardware and protection class not less than IP55 as per IS/IEC 60529 suitable for harsh outdoor conditions the marshalling box shall house terminal blocks CT/LT/VT termination arrangements space heater with thermostat LED interior lighting 230V/24V AC/DC power sockets cable glands gland plates lugs and ferruled wiring using FRLS copper conductors along with cable support trays and earthing terminals it shall include temperature indication circuits WTI/OTI alarm/trip contacts Buchholz alarm/trip contacts (for transformer applications) OLTC controls (if applicable) auxiliary relays MCBs surge protection devices cable entry provisions terminal layout diagrams and marshalling arrangement for all field equipment box shall conform to IS 8623 IS 13947 IS 2147 and relevant IEC standards for enclosure wiring terminal blocks and accessories and shall be factory-tested for insulation resistance functional verification wiring continuity heater and lamp operation and IP protection compliance the marshalling box shall be supplied complete with all accessories drawing sets terminal schedules wiring diagrams and nameplates delivered FOR site and installed with proper grouting earthing cable termination and commissioning supervision and shall be covered under a comprehensive 60-month (5-year) warranty from the date of supply.(Non-CSR) |
| 12 | SITC of a complete outdoor gantry structure to support 33 kV single/multi-circuit busbars isolators and associated HV accessories fabricated from rolled/structural steel conforming to IS 2062 and detailed designed and manufactured in accordance with IS 800 (LRFD/working stress as applicable) and IS 800 (Code of Practice for General Construction) and sized for site specific seismic and wind loads per IS 1893 and IS 875 (Part-3) respectively the gantry shall include main columns horizontal beams bracings cross-members bus-bar mounting insulator pedestals equipment platforms access ladders and walkways with anti-skid gratings handrails and toe-plates cable trays and clamp supports all dimensioned to maintain specified electrical creepage and clearance distances for 33 kV systems minimum phase-to-phase and phase-to-earth clearances as per applicable standards and utility practice and designed to support busbar axial and transverse loads conductor span loads dynamic and short-circuit forces with factor of safety and load combinations as per IS codes materials welding and fabrication shall meet IS 816/IS 9595 (welding practices) and fasteners shall be high-tensile galvanized bolts/nuts/washers as per IS 1367 all steel members shall be shot-blasted to Sa 2.5 or equivalent hot-dip galvanized to IS 2629/IS 4759 or provided with epoxide zinc primer and polyurethane finish where specified and supplied with all required stiffeners base plates anchor bolt cages levelling nuts and template foundations shall be designed by contractor using soil data (or provisional M30 concrete pedestal and embedded base cage details to be provided) with holding down bolts and grout and shall include earthing connections and conductor earthing pads as per IS 3043 the scope includes supply of fabricated members galvanizing/painting foundation bolts & templates on-site assembly alignment grouting welding tack-up complete bolting erection supervision rigorous dimensional and weld inspection non-destructive testing (MPI/DT as required) dimensional checks load/deflection checks and final acceptance tests deliverables include GA drawings detailed fabrication drawings bolt/anchor schedules welding procedure specifications NDT reports mill certificates and as-built drawings the gantry shall be suitable for outdoor coastal/industrial environment (corrosion allowance to be stated) and shall be supplied FOR site erected aligned and commissioned with supply of all accessories lifting lugs earthing termination kits and safety signages all workmanship and materials to comply with relevant IS/IEC standards and best engineering practice with factory inspection and final site inspection by purchaser’s representative and submission of test and QA documents for MDCC delivery erection & commissioning to be completed as per purchase order schedule and the entire supply and workmanship shall be warranted for 60 months (five years) from date of supply.(Non-CSR) |
| 13 | SITC (Supply Installation Testing and Commissioning) of indoor floor-mounted metal-clad sheet-steel Control & Relay Panel (C&R Panel) for 22 kV feeder designed with required accessories and manufactured as per IS 8623 IS 13947 IS 1248 IS 2138 and relevant IEC 60255 standards fabricated from CRCA sheet steel not less than 2.0/2.5 mm thick fully compartmentalized with IP54/IP55 degree of protection vermin-proof and dust-proof construction complete with control wiring terminal blocks ferruling 230 V AC/24/48 V DC auxiliaries space heaters illumination lamps mimic diagram and feeder control switches the panel shall incorporate numerical protection relays for Non-Directional/Directional Over-Current (50/51 or 67) Earth Fault (50N/51N or 67N) instantaneous high-set OC/EF breaker failure protection (50BF) trip circuit supervision (TCS) and auxiliary relays with the numerical relay complying with IEC 60255-26/27 and equipped with event recording disturbance recording self-diagnostics and programmable logic the panel shall include breaker trip/close pushbuttons TNC switch ammeter/voltmeter with selector switches transducers (if SCADA required) LED-based annunciation system with hooter MCBs for control supplies DC supervision module marshalling chamber cable gland plate and all required accessories panel wiring shall use FRLS stranded copper conductors (minimum 1.5 sq.mm) with proper ferrules tagging and colour coding as per IS standards all relays meters and components shall be factory-tested for functional checks insulation resistance scheme verification interlock simulation and high-voltage withstand tests as per IEC/IS requirements with complete test certificates submitted for approval and MDCC the panel shall be supplied with all required drawings terminal schedules logic diagrams and documentation delivered FOR site with all accessories and shall include supervision of installation testing and commissioning at site with the equipment covered under a comprehensive 60-month (5-year) warranty from the date of supply.(Non-CSR) |
| 14 | Supply Design testing and Installation of 5000 kVA (5 MVA) 33/22 kV 3-phase 50 Hz oil-immersed naturally air-cooled (ONAN) core-type double-wound power transformer with copper windings designed and constructed in full compliance with IS 2026 and IS 335 incorporating off-circuit tap changer on the HV winding providing ±5% voltage variation in uniform 2.5% steps HV winding connected in Delta and LV winding connected in Star with neutral brought out configured to vector group Dyn11 and suitable for outdoor installation with porcelain HV and LV bushings transformer to be provided with complete standard fittings including conservator tank with magnetic oil gauge Buchholz relay with alarm/trip contacts oil-filled radiators silica-gel breather pressure relief valve explosion vent winding and oil temperature indicators earthing terminals oil drain/filter valves jacking and lifting lugs rating and diagram plates and first filling of new transformer oil conforming to IS 335 transformer to meet the guaranteed technical performance parameters including maximum permissible temperature rise of 55°C for windings (by resistance) and 50°C for top oil (by thermometer) no-load loss of 5.5 kW load loss of 33.0 kW at 75°C impedance of 7.15% no-load current of 1% and voltage regulation limited to 0.913% at 1.0 p.f. and 4.940% at 0.8 p.f. lag insulation levels to comply with BIL requirements of 170 kVp/70 kVrms for HV and 75 kVp/25 kVrms for LV transformer to be capable of achieving efficiencies of 99.236% at full load 99.362% at 75% load 99.453% at 50% load and 99.399% at 25% load at 75°C complete with routine tests as per IS 2026 to be conducted in the presence of purchaser’s representative and test certificates submitted for MDCC issuance delivery to be made within 2–4 months on FOR site basis with warranty of 60 months from date of Commissioning and including supervision of erection and commissioning at site as part of contractor’s scope.(Non-CSR) |
| 15 | Supply Design testing and Installation of 5000 kVA (5 MVA) 33/22 kV 3-phase 50 Hz oil-immersed naturally air-cooled (ONAN) core-type double-wound power transformer with copper windings designed and constructed in full compliance with IS 2026 and IS 335 incorporating off-circuit tap changer on the HV winding providing ±5% voltage variation in uniform 2.5% steps HV winding connected in Delta and LV winding connected in Star with neutral brought out configured to vector group Dyn11 and suitable for outdoor installation with porcelain HV and LV bushings transformer to be provided with complete standard fittings including conservator tank with magnetic oil gauge Buchholz relay with alarm/trip contacts oil-filled radiators silica-gel breather pressure relief valve explosion vent winding and oil temperature indicators earthing terminals oil drain/filter valves jacking and lifting lugs rating and diagram plates and first filling of new transformer oil conforming to IS 335 transformer to meet the guaranteed technical performance parameters including maximum permissible temperature rise of 55°C for windings (by resistance) and 50°C for top oil (by thermometer) no-load loss of 5.5 kW load loss of 33.0 kW at 75°C impedance of 7.15% no-load current of 1% and voltage regulation limited to 0.913% at 1.0 p.f. and 4.940% at 0.8 p.f. lag insulation levels to comply with BIL requirements of 170 kVp/70 kVrms for HV and 75 kVp/25 kVrms for LV transformer to be capable of achieving efficiencies of 99.236% at full load 99.362% at 75% load 99.453% at 50% load and 99.399% at 25% load at 75°C complete with routine tests as per IS 2026 to be conducted in the presence of purchaser’s representative and test certificates submitted for MDCC issuance delivery to be made within 2–4 months on FOR site basis with warranty of 60 months from date of Commissioning and including supervision of erection and commissioning at site as part of contractor’s scope.(Non-CSR) |
| 16 | SITC (Supply Installation Testing and Commissioning) of complete 22 kV 500 MVA rated outdoor switchgear system comprising one (01) incomer panel and three (03) outgoing feeder panels with associated outdoor control panels manually/motor-operated 22 kV isolators earthing switches outdoor-mounted CTs and PTs designed and manufactured in accordance with IS 3427 IS 13118 IS 2544 IS 2705 IS 3156 IS 2099/IS 5621 and relevant IEC 62271 series suitable for system voltage 24 kV with insulation levels of 50 kVrms (1-minute power frequency) and 125 kVp impulse withstand switchgear shall include vacuum circuit breakers for incomer and feeder panels rated for 22 kV 500 MVA fault-level with short-circuit making/breaking capacity as specified (e.g. 25/31.5 kA for 3 sec) motorized spring-charge operating mechanism mechanical interlocks anti-pumping features trip/close coils auxiliary contacts local/remote control provisions and weatherproof outdoor control kiosks with IP54/IP55 protection each feeder and incomer bay shall be equipped with outdoor 22 kV isolators with earth switches gang-operated and fully interlocked with VCB to prevent unsafe earthing/isolating operations associated CTs shall be outdoor-type oil-immersed/epoxy cast with specified ratios (e.g. 400–200/1–1 A or as per BOQ) accuracy class 0.2s/0.5 for metering and 5P10/5P20 or PS class for protection meeting thermal and dynamic short-circuit ratings while PTs shall be 22 kV class 110 V or 110/v3 V secondary accuracy class 0.2/0.5 and burden as required each bay shall include protection metering & control wiring cable glands terminations marshalling arrangements earthing pads galvanized support structures surge arresters (if applicable) and interconnecting busbars sized for 22 kV 500 MVA operation all outdoor switchgear components shall be suitable for high-temperature high-humidity and pollution-level site conditions with complete routine and functional tests including primary injection secondary injection contact resistance interlock scheme verification insulation resistance timing tests HV withstand tests and relay functional checks as per IS/IEC requirements with certified test reports submitted for MDCC scope includes transportation FOR-site delivery erection of outdoor VCB panels isolators CTs PTs busbar alignment earthing termination commissioning supervision submission of GA drawings wiring schematics O&M manuals and as-built documentation with the entire switchgear system covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 17 | SITC (Supply Installation Testing and Commissioning) of 22 kV class Station-Type Lightning Arrestor (LA) gapless metal-oxide (ZnO) type with porcelain/polymer housing as specified designed and manufactured in accordance with IS 3070 (Part-3) and IEC 60099-4 suitable for a system voltage of 24 kV and having a rated voltage of 18/21 kV (as per system earthing) with minimum lightning impulse withstand level of 125 kVp power frequency withstand level of 50 kVrms and high discharge capability of 10 kA (or 5 kA/20 kA as per BOQ) the LA shall be of station class heavy-duty type with high energy-absorption capability non-linear ZnO blocks for steep current impulses housed in UV-resistant weatherproof porcelain/polymer insulators with hermetically sealed construction pressure-relief system corrosion-resistant hardware stainless steel/aluminium clamps and galvanized mounting base arrester shall include an earthing terminal base plate line terminal connector grading rings (if required) disconnecting/isolating link nameplate and all necessary mounting hardware for installation on steel structures or gantry the LA shall be designed for outdoor service in high-humidity coastal and pollution-prone environments meeting all leakage distance requirements as per relevant IS/IEC standards routine and type tests including reference voltage leakage current residual voltage thermal stability high current impulse pressure relief test and sealing integrity tests shall be carried out in accordance with IEC 60099-4 with certified test reports furnished for approval and MDCC scope includes supply transportation FOR-site delivery erection on support structure alignment earthing connection cable termination commissioning supervision and submission of all drawings manuals and as-built documentation entire lightning arrestor assembly shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 18 | SITC (Supply Installation Testing and Commissioning) of a complete 30 V 100 AH DC battery system comprising maintenance-free VRLA/Lead-Acid tubular batteries (as specified) and an automatic microprocessor-controlled battery charger designed in accordance with IS 1651/IS 15549 (for lead-acid/VRLA batteries) IS 1069 (for chargers) IEC 60896 and relevant utility standards suitable for substation DC control tripping and protection circuits the battery set shall consist of individual cells/modules interconnected to deliver nominal 30 V DC with minimum 100 AH capacity at C10/C20 discharge rate (as specified) with long float life low internal resistance flame-retardant containers intercell jumpers racks/stands (powder-coated or GI) insulated terminals vent plugs (for flooded type) and provision for routine maintenance and monitoring the charger shall be a fully automatic solid-state SMPS/Thyristor-controlled charger with float and boost charging modes automatic changeover soft-start current-limiting ripple = 3% output protection (over-voltage over-current short-circuit reverse polarity) AC under/over-voltage protection digital metering for voltage/current LED/LCD indications alarm outputs temperature compensation (if specified) and shall provide stable 30 V DC output under all load and input variations the charger shall include input MCCB/MCB DC output MCBs surge protection devices control relays cooling arrangement earthing terminals and cable glands mounted inside a powder-coated IP42/IP54 enclosure with proper ventilation system shall undergo routine tests including capacity test discharge test float/boost regulation polarity IR test functional checks and charger performance tests as per IS/IEC norms with certified test reports submitted for MDCC scope includes delivery FOR site installation of batteries on racks interconnection charger mounting AC/DC cable termination commissioning supervision and submission of drawings wiring diagrams manuals and as-built documentation the complete battery-charger system shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 19 | SITC (Supply Installation Testing and Commissioning) of a complete 22 kV Main Bus Structure for 2 × 5 MVA 33/22 kV outdoor substation comprising supply fabrication galvanizing and erection of structural steel including RSJ 116×100 mm MS Channel 100×50×8 mm MS Angle 50×50×6 mm MS Flat 75×10 mm and all associated structural members as per IS 2062 and IS 800 including cutting drilling welding hot-dip galvanizing as per IS 4759 and erection on site with proper alignment and foundation fixing scope includes supply and installation of 11 kV Disc Insulators of 70 kN rating strain hardware for Dog/ equivalent AAAC conductor 22 kV Pin Insulators with GI Pins earthing sets (H.T. type) 22 kV Station-Type Lightning Arrestors (screw type) 100 sq.mm AAAC conductor for bus formation and interconnection GI Strip 25×3 mm for earthing as per IS 3043 GI Nut-Bolts and washers for structural assembly and insulator mounting concreting of foundations with cement concrete mix 1 3 6 including foundation excavation shuttering curing and backfilling and T-Connectors suitable for 100 sq.mm conductor (compression type or as specified) along with all miscellaneous materials required for complete erection entire bus structure shall be designed as per IS 875 (Wind Loads) and IS 1893 (Seismic) maintaining statutory phase-to-phase and phase-to-earth clearances as per utility norms including installation of bus supports strain & suspension fittings conductor stringing tensioning connector tightening earthing of all equipment/structures and complete testing of mechanical strength continuity and insulation work includes submission of GA drawings structural drawings fabrication drawings earthing layout as-built documentation and carrying out all routine field tests the entire 22 kV bus structure with all components fittings and accessories shall be delivered FOR site installed tested and commissioned as per specifications and covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 20 | Supply of high-performance 1100 V multicore copper armoured control cables in running metres comprising 19C × 2.5 sq.mm (250 Rmt) 12C × 2.5 sq.mm (200 Rmt) 4C × 2.5 sq.mm (125 Rmt) and 2C × 2.5 sq.mm (100 Rmt) manufactured in accordance with IEC 60228 IEC 60227 IEC 60332-1 IS 7098 (Part-1) and other applicable international standards using electrolytic annealed Class-5 copper conductors insulated with high-dielectric XLPE/PVC cores laid-up and colour-coded provided with inner PVC bedding galvanized steel wire armour for enhanced mechanical protection and finished with a UV-resistant FRLS/FRLSH outer sheath complying with stringent flame-propagation low-smoke and low-halogen criteria suitable for precise control metering protection and signalling applications in substations and industrial installations supplied with continuous metre marking and complete routine/type test certificates from NABL-accredited laboratories delivered at site as per specifications.(Non-CSR) |
| 21 | SITC (Supply Installation Testing and Commissioning) of outdoor-type oil-immersed or epoxy cast-resin insulated 33 kV class Current Transformer (CT) conforming to IS 2705 (Parts 1–4) and IS 2099/IS 5621 for HV bushings designed for system voltage 36 kV with minimum insulation levels of 70 kVrms one-minute power frequency withstand and 170 kVp lightning impulse withstand having a multi-ratio primary rating of 200–100 A and dual secondary windings of 1 A + 1 A (or 1–1–1 A as specified) suitable for metering and protection applications with specified accuracy classes such as 0.2s/0.5 for metering and 5P10/5P20 or PS class for protection and adequate rated burdens to meet all connected relays/meters CT shall be constructed using high-permeability CRGO/nickel alloy core precision-wound copper secondary windings hermetically sealed oil-filled/cast resin body top-grade porcelain bushings terminal connectors short-circuiting arrangement nameplate earthing terminals lifting lugs mounting base and all accessories necessary for outdoor substation duty the CT shall be designed to withstand thermal and dynamic stresses corresponding to rated short-time current rated dynamic peak current and continuous thermal current in accordance with IS 2705 routine tests including ratio and polarity excitation characteristics insulation resistance knee-point voltage (for PS class) secondary winding resistance burden/accuracy partial discharge (for cast resin) and dielectric withstand shall be carried out as per IS 2705 and complete test certificates shall be submitted for approval and MDCC the CT shall be suitable for operation under high-temperature and high-humidity site conditions and shall be delivered on FOR site basis including supervision of installation testing and commissioning and the equipment shall be covered under a comprehensive 60-month warranty from the date of supply.(Non-CSR) |
| 22 | SITC of isolators without EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 23 | Supplying and erection of single piece nonlinear resistor type lightning arrestor suitable for 3 wire 33 KV overhead lines with rated voltage 30 KV (rms) with a nominal discharge current rating of 10 KA (station class) and complete with galvanised clamping arrangement G.I. bolts nuts washers etc. as required. [CPWD DSR 14.25](Non-CSR) |
| 24 | SITC of isolators with EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 25 | SITC (Supply Installation Testing and Commissioning) of outdoor-type floor-mounted HT Feeder Pillar suitable for termination of 300 sq.mm 11/22/33 kV XLPE armoured HT power cables (as per system voltage) fabricated from CRCA sheet steel of minimum 3.0 mm thickness hot-dip galvanized or powder-coated with minimum 70–80 micron finish conforming to IS 2147 IS 8623 IEC 62208 and relevant utility standards complete with cable entry gland plates double-compression cable glands heavy-duty tinned copper/aluminium busbars of adequate cross-section sized for full-load and short-circuit current demands supported with SMC/epoxy insulated busbar supports phase barriers and high-creepage insulators pillar shall include a fully compartmentalized design with segregated incoming and outgoing chambers hinged double doors with neoprene gaskets for IP55/IP65 protection locking arrangement stainless steel hardware anti-condensation space heaters LED internal lighting earthing terminals rain canopy and base frame the HT feeder pillar shall incorporate HT termination kits (heat-shrink or cold-shrink type) mechanical supports for 300 sq.mm cable cores insulated cable clamping brackets earthing of armour and glands provision for surge arresters (if required) metering CT/PT chambers (if specified) and necessary bus links disconnecting arrangements and copper flexibles all components shall comply with IS/IEC dielectric clearances thermal withstand and mechanical strength requirements suitable for outdoor operation in high-humidity and pollution-prone environments installation shall include excavation foundation grouting erection cable termination earthing testing (IR HV withstand continuity torque checks) and final commissioning complete equipment shall be delivered FOR site with approved drawings wiring schematics test certificates manuals and as-built documentation and shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 26 | SITC of isolators without EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 27 | SITC of isolators without EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 28 | SITC (Supply Installation Testing and Commissioning) of 33 kV 1600 A outdoor-type three-phase electrically operated Vacuum Circuit Breaker (VCB) conforming to IS 13118 IS 3427 IS 2544 IS 9921 and relevant IEC 62271 standards rated for system voltage 36 kV frequency 50 Hz and designed for a rated continuous current of 1600 A with a short-circuit breaking capacity of 25/31.5 kA (as specified) short-time withstand rating of 25/31.5 kA for 3 seconds and peak withstand capability of 62.5/80 kA VCB shall comprise vacuum interrupter poles housed in weatherproof rust-protected outdoor structure fitted with solid-core insulators/porcelain bushings motorized spring-charged mechanism manual charging provision trip and close coils anti-pumping relay mechanical and electrical interlocks ON/OFF mechanical indicators spring charge status indicator CT/VT mounting pads terminal pads earthing connections and fully wired control cabinet with IP55 enclosure containing protection relays (OC/EF/SEF/inst trip) control switches mimic diagram annunciation space heaters MCBs terminals marshaling arrangement and cable entry provisions breaker shall have operations counter mechanically trip-free feature low/high voltage cut-off for motor anti-condensation heater auxiliary contacts and all safety interlocks as per standard interrupters shall be capable of handling full rated duties including O–CO–CO operations dielectric withstand levels of 70 kVrms (1 min) and 170 kVp lightning impulse withstand and shall be tested for mechanical endurance of minimum 10 000 operations routine tests to include mechanical operation contact resistance high-voltage withstand timing tests insulation resistance auxiliary circuit continuity and functional checks as per IS/IEC requirements with certified test reports furnished for approval and MDCC VCB shall be suitable for high-temperature high-humidity corrosive outdoor conditions delivered FOR site with all accessories structures fasteners foundation bolts and local/remote control arrangements including supervision of installation testing and commissioning and covered under a 60-month (5-year) comprehensive warranty from the date of supply.(Non-CSR) |
| 29 | SITC (Supply Installation Testing and Commissioning) of outdoor-type free-standing floor-mounted Marshalling Box/Marshalling Kiosk for substation equipment fabricated from 2.0/2.5 mm CRCA sheet steel hot-dip galvanized or powder-coated for corrosion resistance with double-door construction neoprene gasket sealing stainless steel hardware and protection class not less than IP55 as per IS/IEC 60529 suitable for harsh outdoor conditions the marshalling box shall house terminal blocks CT/LT/VT termination arrangements space heater with thermostat LED interior lighting 230V/24V AC/DC power sockets cable glands gland plates lugs and ferruled wiring using FRLS copper conductors along with cable support trays and earthing terminals it shall include temperature indication circuits WTI/OTI alarm/trip contacts Buchholz alarm/trip contacts (for transformer applications) OLTC controls (if applicable) auxiliary relays MCBs surge protection devices cable entry provisions terminal layout diagrams and marshalling arrangement for all field equipment box shall conform to IS 8623 IS 13947 IS 2147 and relevant IEC standards for enclosure wiring terminal blocks and accessories and shall be factory-tested for insulation resistance functional verification wiring continuity heater and lamp operation and IP protection compliance the marshalling box shall be supplied complete with all accessories drawing sets terminal schedules wiring diagrams and nameplates delivered FOR site and installed with proper grouting earthing cable termination and commissioning supervision and shall be covered under a comprehensive 60-month (5-year) warranty from the date of supply.(Non-CSR) |
| 30 | SITC of a complete outdoor gantry structure to support 33 kV single/multi-circuit busbars isolators and associated HV accessories fabricated from rolled/structural steel conforming to IS 2062 and detailed designed and manufactured in accordance with IS 800 (LRFD/working stress as applicable) and IS 800 (Code of Practice for General Construction) and sized for site specific seismic and wind loads per IS 1893 and IS 875 (Part-3) respectively the gantry shall include main columns type-HG 6 Nos -496kg and horizontal beams -HA-4 Nos-261 Kg bracings cross-members bus-bar mounting insulator pedestals equipment platforms access ladders and walkways with anti-skid gratings handrails and toe-plates cable trays and clamp supports all dimensioned to maintain specified electrical creepage and clearance distances for 33 kV systems minimum phase-to-phase and phase-to-earth clearances as per applicable standards and utility practice and designed to support busbar axial and transverse loads conductor span loads dynamic and short-circuit forces with factor of safety and load combinations as per IS codes materials welding and fabrication shall meet IS 816/IS 9595 (welding practices) and fasteners shall be high-tensile galvanized bolts/nuts/washers as per IS 1367 all steel members shall be shot-blasted to Sa 2.5 or equivalent hot-dip galvanized to IS 2629/IS 4759 or provided with epoxide zinc primer and polyurethane finish where specified and supplied with all required stiffeners base plates anchor bolt cages levelling nuts and template foundations shall be designed by contractor using soil data (or provisional M30 concrete pedestal and embedded base cage details to be provided) with holding down bolts and grout and shall include earthing connections and conductor earthing pads as per IS 3043 the scope includes supply of fabricated members galvanizing/painting foundation bolts & templates on-site assembly alignment grouting welding tack-up complete bolting erection supervision rigorous dimensional and weld inspection non-destructive testing (MPI/DT as required) dimensional checks load/deflection checks and final acceptance tests deliverables include GA drawings detailed fabrication drawings bolt/anchor schedules welding procedure specifications NDT reports mill certificates and as-built drawings the gantry shall be suitable for outdoor coastal/industrial environment (corrosion allowance to be stated) and shall be supplied FOR site erected aligned and commissioned with supply of all accessories lifting lugs earthing termination kits and safety signages all workmanship and materials to comply with relevant IS/IEC standards and best engineering practice with factory inspection and final site inspection by purchaser’s representative and submission of test and QA documents for MDCC delivery erection & commissioning to be completed as per purchase order schedule and the entire supply and workmanship shall be warranted for 60 months (five years) from date of supply.(Non-CSR) |
| 31 | SITC (Supply Installation Testing and Commissioning) of a complete earthing system for 33/22 kV Power Transformer designed and executed in accordance with IS 3043 IEEE-80 CEA Safety Regulations and utility norms comprising earth electrodes earth pits earthing grid risers and interconnections required for transformer body tank neutral bushing marshalling box radiators cooling fans/OLTC drive motors (if applicable) LV & HV cable armour support structures and all metallic non-current-carrying parts the earthing system shall include GI earth electrodes of 75 mm x 3 m (pipe) or 600 mm x 600 mm x 6 mm (plate) as specified buried in a pit with charcoal/ground-enhancement compound and fitted with CI/GI funnel mesh and inspection chamber with RCC cover all main earth conductors shall be hot-dip galvanized steel (GI) strips of minimum 50×6 mm / 75×10 mm (as per design) laid below grade at minimum 600 mm depth forming a buried earth grid/mat connected to transformer neutral and body through two independent earth paths with bolted/welded connections pit markers identification tags and corrosion protection earthing risers shall be provided for transformer body OLTC marshalling kiosk radiators surge arresters NCT/CTs LA base cable sealing boxes and terminal structures using GI flats routed through protective GI pipes at road/cable crossings all earthing joints shall be made using GI bolts nuts washers or approved welding coated with anticorrosive compound the scope includes preparation of earthing layout trenching laying welding/bolting backfilling compaction installation of earth pits measurement of earth resistance using fall-of-potential method submission of earthing test reports and ensuring transformer earth resistance = 1.0 ohm or as specified all materials to be ISI-marked and conforming to IS 3043 with complete documentation as-built drawings test certificates and MDCC clearance the system shall be delivered FOR site with complete erection testing & commissioning supervision and covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 32 | SITC (Supply Installation Testing and Commissioning) of structure for CT & PT for outdoor-type 33 kV Current Transformers (CTs) and Potential Transformers (PTs) and structure for 33 KV Lightning Arrestor Power Transformer Neutral and earth designed manufactured and tested in accordance with IS 2705 (Parts 1–4) for CTs and IS 3156 (Parts 1–4) for PTs along with IS 2099/IS 5621 for HV porcelain insulators suitable for system voltage 36 kV with dielectric withstand levels of 70 kVrms (1-minute power frequency) and 170 kVp lightning impulse CTs shall be oil-immersed or epoxy-cast insulated with rated primary current as specified (e.g. 400–200 A multi-ratio or as per BOQ) dual/ multiple secondary windings (1A/5A) for metering and protection accuracy classes 0.2s / 0.5 / 1.0 and 5P10 / 5P20 or PS class as applicable adequate rated burdens high-permeability CRGO or Ni-Fe alloy core low leakage reactance thermal and dynamic short-circuit withstand capability complete with terminal boxes shorting links earthing terminals and galvanized mounting structures PTs shall be single-phase or three-phase (as specified) oil-immersed or epoxy cast-resin type with primary voltage 33 kV and secondary voltage 110 V or 110/v3 V for metering/protection circuits accuracy class 0.2 / 0.5 / 1.0 and burden as required equipped with precision CRGO core copper windings hermetically sealed tank or cast body porcelain bushings terminal block enclosure and earthing terminals both CTs and PTs shall be suitable for outdoor service in high-humidity high-temperature pollution-prone environments supplied with galvanized base frames clamps cable glands nameplates and all accessories for mounting on gantry/structure routine tests including ratio polarity excitation accuracy insulation resistance partial discharge (for cast resin) and high-voltage withstand tests shall be performed as per IS/IEC standards with complete test certificates submitted for approval and MDCC scope includes delivery FOR site erection alignment termination commissioning supervision and submission of drawings/manuals with complete equipment covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 33 | SITC (Supply Installation Testing and Commissioning) of outdoor-type floor-mounted HT Feeder Pillar suitable for termination of 300 sq.mm 33 kV XLPE armoured HT power cables (as per system voltage) fabricated from CRCA sheet steel of minimum 3.0 mm thickness hot-dip galvanized or powder-coated with minimum 70–80 micron finish conforming to IS 2147 IS 8623 IEC 62208 and relevant utility standards complete with cable entry gland plates double-compression cable glands heavy-duty tinned copper/aluminium busbars of adequate cross-section sized for full-load and short-circuit current demands supported with SMC/epoxy insulated busbar supports phase barriers and high-creepage insulators pillar shall include a fully compartmentalized design with segregated incoming and outgoing chambers hinged double doors with neoprene gaskets for IP55/IP65 protection locking arrangement stainless steel hardware anti-condensation space heaters LED internal lighting earthing terminals rain canopy and base frame the HT feeder pillar shall incorporate HT termination kits (heat-shrink or cold-shrink type) mechanical supports for 300 sq.mm cable cores insulated cable clamping brackets earthing of armour and glands provision for surge arresters (if required) metering CT/PT chambers (if specified) and necessary bus links disconnecting arrangements and copper flexibles all components shall comply with IS/IEC dielectric clearances thermal withstand and mechanical strength requirements suitable for outdoor operation in high-humidity and pollution-prone environments installation shall include excavation foundation grouting erection cable termination earthing testing (IR HV withstand continuity torque checks) and final commissioning complete equipment shall be delivered FOR site with approved drawings wiring schematics test certificates manuals and as-built documentation and shall be covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) |
| 34 | SITC of isolators without EB 800 A and shall be suitable for outdoor installation with 3-phase 50 Hz 33kV systems and they should be designed suitable for service under fluctuations in supply voltage up to ±12%. Permissible under Indian Electricity Supply Act and rules made there under. The isolators and isolator-cum-earthling switches shall comply with the requirements of IS 9921 (as amended up to date) and the latest edition of IEC 62271-102 (IEC 60129). The Insulators shall comply with the requirement of latest edition of IS 2544/1973 and IEC 60168/1988 (as amended up to date)(Non-CSR) |
| 35 | SITC (Supply Installation Testing and Commissioning) of outdoor-type oil-immersed or epoxy-cast insulated 33 kV class Potential Transformer (PT) conforming to IS 3156 (Parts 1 to 4) and IS 2099/IS 5621 for porcelain bushings designed for system voltage 36 kV with minimum insulation levels of 70 kVrms power frequency withstand and 170 kVp lightning impulse withstand having primary rated voltage of 33 kV and secondary rated voltage of 110 V or 110/v3 V suitable for metering and/or protection circuits with accuracy class 0.2 / 0.5 / 1.0 or 3P as specified and adequate rated burden to meet all connected loads PT shall incorporate high-grade CRGO core precision-wound copper windings hermetically sealed tank or cast-resin body oil level gauge (where applicable) pressure-tested porcelain bushings dehydrating breather earthing terminals lifting lugs terminal connectors rating plate and all accessories required for reliable outdoor service unit shall be designed for continuous operation under site conditions of high temperature humidity and pollution and shall undergo complete routine tests including ratio polarity excitation accuracy insulation resistance dielectric withstand lightning impulse and partial discharge (for cast resin type) in accordance with IS 3156 with test certificates submitted for approval and for MDCC issuance complete PT assembly shall be delivered on FOR site basis and shall include supervision of installation testing and commissioning at site with the equipment covered under a comprehensive 60-month (5-year) warranty from the date of supply.(Non-CSR) |
| 36 | SITC (Supply Installation Testing and Commissioning) of outdoor-type oil-immersed or epoxy cast-resin insulated 33 kV class Current Transformer (CT) conforming to IS 2705 (Parts 1–4) and IS 2099/IS 5621 for HV bushings designed for system voltage 36 kV with minimum insulation levels of 70 kVrms one-minute power frequency withstand and 170 kVp lightning impulse withstand having a multi-ratio primary rating of 400–200 A and dual secondary windings of 1 A + 1 A (or 1–1–1 A as specified) suitable for metering and protection applications with specified accuracy classes such as 0.2s/0.5 for metering and 5P10/5P20 or PS class for protection and adequate rated burdens to meet all connected relays/meters CT shall be constructed using high-permeability CRGO/nickel alloy core precision-wound copper secondary windings hermetically sealed oil-filled/cast resin body top-grade porcelain bushings terminal connectors short-circuiting arrangement nameplate earthing terminals lifting lugs mounting base and all accessories necessary for outdoor substation duty the CT shall be designed to withstand thermal and dynamic stresses corresponding to rated short-time current rated dynamic peak current and continuous thermal current in accordance with IS 2705 routine tests including ratio and polarity excitation characteristics insulation resistance knee-point voltage (for PS class) secondary winding resistance burden/accuracy partial discharge (for cast resin) and dielectric withstand shall be carried out as per IS 2705 and complete test certificates shall be submitted for approval and MDCC the CT shall be suitable for operation under high-temperature and high-humidity site conditions and shall be delivered on FOR site basis including supervision of installation testing and commissioning and the equipment shall be covered under a comprehensive 60-month warranty from the date of supply.(Non-CSR) |
| 37 | Supply Installation Testing and Commissioning of factory-cast RCC Tiles of size 0.6 × 0.5 metres (600 mm × 500 mm) manufactured using M-20 / M-25 grade concrete (as specified) vibrated machine-compacted and cured as per IS 456 and IS 383 reinforced with appropriately sized steel mesh as per IS 1786 with smooth finish on top surface and chamfered edges suitable for outdoor substation use such as cable trench covers walkway surfacing cable protection and equipment access paths tiles shall have uniform thickness high compressive strength dimensional accuracy non-skid top finish and resistance to weathering thermal expansion and load-bearing stresses all tiles shall be handled and laid on a properly levelled bed of sand/cement mortar including alignment cutting/trimming where required levelling cleaning and making the entire surface continuous and stable complete with loading transportation unloading at site placement over trenches or walkway areas and final finishing with all workmanship and materials complying with applicable IS standards and covered under a comprehensive 60-month (5-year) warranty from date of supply.(Non-CSR) Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 10, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedJul 15, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 3 daysJul 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
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