SITC of CPCB IV plus compliant 400 kVA Diesel Generator set

400 kVA Generator set: Supply, installation in position, testing, commissioning (SITC) and handing over of CPCB IV+ compliant 400 kVA nominal capacity diesel generator (DG) set, with acoustic enclosure, meeting following technical requirements: a. Rated electrical power output: Minimum 320 kWe at 0.8 pf lag b. Engine & Alternator: As per list of approved make c. Gross engine power at 100% PRP as per ISO 3046 / IS 10000: minimum 485 bhp d. Governing Class (as per ISO 8528 Part-V): G3 e. Type of excitation: Integrated Permanent Magnet Generator (PMG) or Auxiliary Winding excitation system, capable of sustaining a short-circuit current of 300% for 10 seconds. f. Alternator winding thermal insulation: Class H g. Stator winding configuration: 2/3rd (two-thirds) pitch h. Minimum alternator efficiency at 100% load at 0.8 pf lag: 93.4% i. Maximum voltage regulation of alternator: +/-1% j. Minimum capacity of inbuilt fuel tank: sufficient to run DG set at full load for 8 hours (or 700 L, whichever is higher) k. Minimum capacity of DEF tank: 66 L l. Maximum permissible noise level at 1 mtr distance from DG set: 75 dB The DG set should be equipped with diesel engine, alternator, microprocessor based engine controller, liquid cooled radiator, self-starting device, hospital grade silencer with insulation, batteries with connecting copper wires, engine panel, base frame, anti-vibration mounts, diesel tank with required MS structure, level indicator etc., integrated CPCB IV+ compliant after treatment system (ATS) and all connected accessories including standard set of tools and spares (to be supplied free of cost) complete as described in detailed technical specifications. The amount quoted shall be inclusive of basic rate of the DG set; Charges towards transportation, loading/ unloading, storage, erection, installation, testing and commissioning of the DG set; All statutory taxes including GST and all other applicable taxes, levies & duties; insurance policies as required by the tender conditions; charges towards obtaining all necessary approval(s) from statutory authorities for installation and operation of DG set in Chandigarh, as required by the tender conditions; cost of consumables like diesel, DEF, lubricant oil etc. for testing and commissioning of the new DG set (approx. 5 hours on full load at factory testing and 4 hours at site); and cost of dismantling and reassembly of the canopy and/or DG set parts to facilitate the DG set reach the final installation place. (Rate inclusive of GST, as applicable)

Auto Mains Failure panel: Supply, Installation, Testing, and Commissioning (SITC) of floor-mounted, free-standing, IP-54 cubicle type, compartmentalised Automatic Mains Failure (AMF) Panel suitable for a 400 kVA, 415V, 3-Phase, 4-Wire, 50Hz DG set. The panel assembly must include: 1. Two (2) Nos. 630A, 4-Pole, 50kA, moulded case circuit breakers (MCCBs) complete with micro-processor based protection releases for Overload, Short Circuit, and Earth Fault- one designated for Grid Incomer, one for DG Incomer. 2. Electrical Interlocking arrangement to strictly prevent parallel operation of grid and generator supplies. 3. Microprocessor-based AMF Controller with full LCD metering, event/fault logging, and automatic grid failure sensing capabilities. 4. High-conductivity electrolytic grade copper busbar system rated for min. 800A (considering 1.2 A/sqmm ampacity) continuous current, fully insulated with heat-shrinkable PVC sleeves. 5. Integrated 24V DC automatic static trickle-cum-boost Battery Charger complete with DC ammeter and voltmeter (if not supplied pre-mounted within the OEM canopy frame). 6. Internal control wiring using FRLS copper wires, current transformers (CTs) for protection/metering, digital multifunction meters, relays, toggle switches, selector switches, hooter, terminal blocks, push buttons, space heaters with thermostats, and LED indication lamps. (Rate inclusive of GST, as applicable)

Earth Stations: Supply, Installation, Testing, and Commissioning (SITC) of High-Conductivity Chemical Earth Stations conforming strictly to IS 3043:2018 and Central Electricity Authority (CEA) Safety Regulations 2023. The item scope includes: 1. Excavation & Bedding: Excavating a pit to a total depth of 3.2 metres. Laying a 200 mm thick base bedding cushion consisting of a thick, hydrated, homogenous Sodium Bentonite clay slurry at the bottom of the pit. 2. Primary Electrode Assembly: Supplying and embedding a pure electrolytic grade Solid Copper Plate of size 600 mm x 600 mm x 5.0 mm thick, positioned perfectly vertically within the centre of the chemical core zone. 3. Chemical Encapsulation: Completely surrounding and encasing both faces of the copper plate using a minimum of 50 kg to 75 kg of premium, dry Sodium Bentonite compound powder per pit, pre-mixed with clean water to create a monolithic, moisture-retaining protective gel extending at least 150 mm beyond all plate boundaries. 4. Deep-Watering Arrangement: Supplying and installing a 20 mm diameter, medium-class Galvanized Iron (GI) watering pipe terminating at a depth of 1.5 metres below ground level, complete with radial drill perforations along the bottom 300 mm and topped at ground level with a heavy-duty GI Funnel fitted with an integrated wire-mesh strainer. 5. Earth Lead Connection: Running a factory-welded or double riveted continuous 32 mm × 6 mm electrolytic copper flat strip lead from the buried plate up to the surface-level chamber. 6. Surface Inspection Chamber: Installing a factory-finished Pre-Cast RCC (Reinforced Cement Concrete) Inspection Chamber of minimum M25 grade concrete, having clear internal dimensions of 300 mm x 300 mm x 300 mm (or 300 mm internal diameter). The chamber must be topped with a hot-dip galvanized Mild Steel (MS) or Cast Iron (CI) removable access cover with an integrated lifting handle, set inside a matching steel frame. The cover must be permanently painted with the designated loop ID (e.g., "DG Neutral Pit-1" / "DG Body Pit-2"). 7. Bi-Metallic Termination Interface: Providing a heavy-duty, above-ground removable bolted test link inside the dry chamber using Grade 304/316 Stainless Steel (SS) nuts, bolts, spring washers, and bi-metallic washers/liners to safely join running GI or Copper strips to the pit lead without triggering galvanic corrosion. (Rate inclusive of GST, as applicable)

Insulated Earth Strip for Alternator Neutral Earthing: Supply, laying, and connecting of a Copper Strip of size 32 mm x 6 mm running from the Alternator Neutral terminals inside the terminal box directly to the designated copper earth pits. The entire exposed run of this copper strip (excluding the bolted test links inside the chamber) must be fully insulated using a 1.1 kV grade, heat-shrinkable heavy-duty Black PVC sleeve to explicitly identify it as the system neutral conductor and prevent contact with building steel structures. (Rate inclusive of GST, as applicable)

Earth Strip for Equipment Body Earthing: Supply, laying and connecting of premium hot-dip galvanized iron (GI) earthing flat strip of size 50 mm x 10 mm conforming strictly to IS 3043:2018 standards. The strips must be run in two parallel distinct loops to bond the DG engine bed chassis, structural canopy perimeter shell, and the remote AMF panel body back to the dedicated ground earth stations. Layout includes heavy-duty GI anchoring saddles, nuts, bolts, and anti-corrosive zinc-rich cold galvanizing compound over any cut sections or drill joints. (Rate inclusive of GST, as applicable)

Thermal Insulated MS Pipe for Exhaust System: Supply & installation of minimum 150 mm nominal diameter (or as recommended by the OEM) mild steel (MS) ERW class B pipe, conforming strictly to IS 1239 (Part-1) / IS 3589, with bends, supports and all accessories, with thermal insulation wrapping of min. 50 mm thick high-density (min. 100 kg/cum) mineral rockwool tightly bound to the pipe using GI wire mesh and neatly finished with an outer protective jacket of 24-gauge (0.63 mm thick) Aluminium sheet cladding. (Rate inclusive of GST, as applicable)

Power Cabling: Supply & laying of 3.5C x 300 sqmm aluminium conductor cable PVC insulated & PVC sheathed XLPE cable of by providing & fixing of all hardware complete as per site requirement from DG set to proposed AMF panel complete in all respect & as directed. (Rate inclusive of GST, as applicable)

Control Cabling: Supply & laying (including terminations at both ends) of 16C x 1.5 sqmm PVC insulated copper conductor & PVC sheathed XLPE armoured cable by providing & fixing of all hardware complete as per site requirement from DG set controller to proposed AMF panel complete in all respect & as directed. (Rate inclusive of GST, as applicable)

Cable Termination: Providing end terminations for the 3.5C x 300 sq. mm. aluminium cables using brass double-compression cable glands, long-barrel aluminium crimping lugs, insulation profiling tapes, and heat-shrinkable terminal sleeves at both breaker connection interfaces. (Rate inclusive of GST, as applicable)

Cable Termination: Providing end terminations for the 3.5C x 400 sq. mm. aluminium cables using brass double-compression cable glands, long-barrel aluminium crimping lugs, insulation profiling tapes, and heat-shrinkable terminal sleeves at both breaker connection interfaces. (Rate inclusive of GST, as applicable)