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| 1 | DG SET |
| 2 | Supplying, Installation, Testing & Commissioning of 125 kVA ‘Silent Type Diesel Generating set as per CPCB IV + or better norms along with having Prime Power Rating of KVA as below, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor, including testing at factory and site with fuel, load for test and other necessary arrangements Complete as per CPWD specifications, should have QR code which should contain drawing, test report OEM manual,Geo- Tag of manufacturing location, rating plate as per relevant IS Code etc. and consisting of the followings: (A) Diesel Engine:Tourbocharged Diesel engine 4 stroke water cooled,multi cylinder, dynamically balanced fly wheel, electricstart of suitable BHP at 1500 RPM suitable for above output of alternator at 40 0C, 50% RH & at 1000 Meter MSL , capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be with Electronic governor, Dry type Air filter with service indicator, first filling of engine fuel (after commissioning) lubricating Oil, Coolant and other consumables complete with all the required accessories, the Electronic governor shall be as per ISO 8528.The engine shall comply to the latest CPCB norms (CPCB IV + or better) and Conforming to BS 5514, BS 649, IS 10000, IS 10002, IS 13018 and as per CPWD specifications. (B) Engine mounted Instrument Panel fitted with and having digital dis Plate for following: (i) Start-stop switch with key (ii) Water temperature indication (iii) Lubrication oil pressure indication (iv) Lubrication oil temperature indication (v) Battery charging indication and Voltage indication (vi) RPM indication (vii) Over speed indication (viii) Low lubricantion Oil trip indication (ix) Engine Running Hours indication (x) Fuel Level (C) Alternator: Synchronous alternator rated of appropriate KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 0C, 50% RH & at 1000 Meter MSL. The alternator shall be having Screen Protected Drip Proof (SPDP) enclosure IP23, brushless, continuous duty, dynamically balanced rotor, capable of taking 10% over loading for one hour after 12 hours of continuous operation, self cooled,self-excited and self-regulated through AVR conforming to IS13364(Part 2)/IS: 4722/BS 2613 suitable for tropical conditions and with class- H insulation. (D) Base Frame & Foundation: Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendations of manufacturer. (E) FUEL TANK: Daily service fuel tank of suitable liters capacity as per CPWD Specifications, fabricated out of 3 mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS class ‘C’ pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications. (F) Exhaust System: Dry exhaust manifold with hospital type exhaust silencer and catalytic convertor. (G) Starting System: 12V/24V DC starting system comprising of starter, motors: voltage regulator and arrangement for initial excitation complete with suitable numbers of batteries (180 AH capacity lead acid SMF type) as required as per specifications. The battery shall be housed inside the acoustic enclosure of DG Set. D.C. voltmeter and ammeter, selector switch for trickle, off and boost and current adjustment. |
| 3 | (H) Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere and the temperature rise inside the enclosure, noise level outside enclosure. The acoustic enclosure should be suitable for cable connection/connection through bus-trunking. Such arrangements on acoustic enclosure should be water proof & dust-proof conforming to IP-65 protection. The enclosure shall be as per CPCB IV + or better norms etc. and as per CPWD specifications. (I) AMF Panel: Free standing floor mounted IP 42 automatic mains failure control panel including auto by-pass, suitable for KVA as below for silent type DG set complete with relays, timers, set of CTs for metering & protection and energy analyser to indicate currents, phase and line voltages, frequency, power factor, KWH, Kilo Volt Ampere Reative Hour (KVARH), KVA (Phase & Total), KW & provision for overload, short circuit, restricted earth fault, under frequency, power (aluminium) and control (copper ) cabling of suitable size upto 15 meter between AMF panel, LT Panel and DG Set including connection interconnection etc. as required, all complete and inter locking and communication/ Ethernet /RS485/SNMP port open protocol for BMS integration including suitable software, the panel shall be of DG Set OEM make etc. as per approved by Engineering in charge and including the following: 1. Suitable numbers and appropriate capacity 4 pole motorised electrically operated draw out with cradle type 3 position ACB/ MCCB with electronic release for O/C & E/F and shunt trip. 2. Auto/Manual/Test/Off selector switch 3. Protection for under and over voltage phase reversal (2 nos Over voltage relay, 2 Nos. reverse power relay and 2 Nos. under voltage relay). 4. 3 Sets of current transformers 15 P 10 accuracy for protection and 15 VA class-I for metering 5. Energy analyser unit to indicate current, Voltage( L N & L_L), kW, kVA (Phase & Total), Frequency, KWH, PF. 6. LED Indicating lamps for load on mains and load on set 7. Fuse/ MCB for instruments 8. Battery charger, complete with transformer/ rectifier9.Main supply failure monitor 10.Supply failure timer 11.Restoration timer 12.Control unit with three impulse automatic engine start/stop and failure to start lockout. 13. Impulse counter with locking and reset facility. 14.ON/OFF/Control circuit switch with indicator 15.Audio/Video annunciation for (i)High water temperature(ii)Low lubricating oil pressure (iii)Engine over speed (iv)Engine fails to start (v)Full load/maximum load warning 16.Protection for over/under Frequency, Loss of AC sensing, Over Current, Unbalancing load with suitable number of relays and accessories 17. Maintenance notification based on Engine Run Hour & due date. 18. Load Management through PLC to achieve auto opening and closing of incomer breakers, bus coupler switching of essential panel , interlocking providing signal to AMF Panel for load status and AMF shall give command to DG Set to auto start / auto stop depending upon load status and requirement etc. and necessary hardware and software required to perform the operation shall be provided by the contractor including all control wiring. 125 kVA |
| 4 | EXHAUST PIPE |
| 5 | Providing, fixing, testing and commissioning of heavy duty MS exhaust piping of 100 mm to 125 mm dia for DG set exhaust system, fabricated from 2 mm thick (minimum) medium class MS pipe, including necessary bends, flanges, welding, clamps, supports, hangers, anti-vibration flexible bellow connection, nuts, bolts and accessories as required. The piping shall be insulated with 50 mm thick mineral wool insulation (48 kg/m³ density) and finished with 24 SWG aluminium cladding. Exhaust system shall include rain cap/weather protection arrangement and shall be properly supported from building structure. Complete as required for safe discharge of DG exhaust gases as per OEM recommendations and CPCB norms. |
| 6 | LT CABLING AND TERMINATIONS |
| 7 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2 X 150 sq. mm (50mm) |
| 8 | Supply and laying of one number additional PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in trench/wall/pipe, refilling the trench etc including sand cushioning and protective covering (in ordinary soil)3.5 core 150 sq mm |
| 9 | Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench175/147 mm or nearest size |
| 10 | LT PANEL |
| 11 | Supply, Installation, Testing and Commissioning of Office Power Panel 160A TPN, IP54, floor-mounted (or wall-mounted if space-constrained, confirm with engineer), fabricated from 1.5 mm thick CRCA sheet steel throughout (no thinner material permitted anywhere, including doors, covers, gland plates, and partitions), complete with 160A aluminium busbars (E91E grade or better, 160A continuous rating, current density 1.2 A/mm), 1 No. 160A 4P MCCB incomer (36kA Icu/Ics at 415V, thermal-magnetic release), outgoings comprising: 8 Nos. 63A 4P MCCB (min. 1636kA breaking capacity, thermal magnetic release suitable for general power distribution loads), FRLS PVC insulated stranded copper internal wiring (660/1100V grade, colour-coded, min. 2.5 mm for control circuits), detachable 3 mm thick gland plates top & bottom, double compression brass glands supplied loose, continuous GI/Al earth bus (min. 256 mm) with all metallic parts earthed via braided straps/copper wires, engraved/anodized SS/aluminium labels (min. 1.6 mm thick, no stickers/painted labels) for panel designation, voltage, rating, feeder names & phase identification, 7-tank pretreatment + powder coating (min. 80 microns DFT, RAL 7035 or approved equivalent), Form 4 separation (IEC 61439), fully type-tested assembly to latest IEC 61439-1 & 2 (submit valid NABL/CPRI/ERDA type test certificates for short-circuit withstand, temperature rise, IP54 & dielectric tests), routine factory tests (insulation resistance, 2.5kV HV for 1 min, functional/continuity), site testing & commissioning (IR 100 M& breaker operation, phasing, earthing continuity), as-built drawings, O&M manual; no deviations allowed without prior written approval any use of thinner sheet, non-FRLS wiring, undersized busbars, lower-rated breakers or non compliant components shall be rejected/replaced at contractors cost |
| 12 | MODIFICATION WORKS |
| 13 | Modification of existing MSB including dismantling of DG side ACB and installation of 630A integrated ATS comprising of AUX 2000 controller and motorized changeover switch in single package, control wiring, for DG startup and off etc |
| 14 | EARTHING |
| 15 | Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 Meter long etc. with charcoal/ coke and salt as required. |
| 16 | Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm) |
| 17 | Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 18 | Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required. |
| 19 | Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections etc. as required. |
| 20 | FOUNDATION |
| 21 | Providing and laying in position cement concrete 1:3:6 >(1 cement : 2 coarse sand : 6 graded stone aggregate >40 mm nominal size) in foundation of pump, DG set >etc including form work etc as required |
| 22 | APPROVALS |
| 23 | Preparation of all drawings, submit to KSEB, Electrical Inspectorate, State Pollution Control board, Fire Department and other agencies if any for getting approval and sanction. (All statutory fees shall be paid by contractor and shall be reimbursed by HLL against submission of original challan or receipt) |
| 24 | Comprehensive Annual Maintenance Contract for items mentioned in Schedule of Work A (BoQ1) of this tender |
| 25 | 1st year (Covered under comprehensive warranty) |
| 26 | 2nd year (Covered under comprehensive warranty) |
| 27 | 3rd year (Covered under comprehensive warranty) |
| 28 | 4th year |
| 29 | 5th year EVALUATION CHART Supply, Installation, Testing and Commissioning of 125 kVA DG set and allied works at HINDLABS, TRIDA Complex, Govt Medical College Junction, ThiruvananthapuramIFB Ref No. HLL/CHO/PROJ/HCS/HNDLBS-TRIDA/DG/2026-27 dated 16-05-2026 Sl No Description BoQ 1 (Electrical Works Cost)A (Weightage 0.8) BoQ 2 (CAMC Cost)B (Weightage 0.2) Total Amount C = ((A*0.8)+ (B*0.2)) |
| 30 | Supply, Installation, Testing and Commissioning of 125 kVA DG set and allied works at HINDLABS, TRIDA Complex, Govt Medical College Junction, Thiruvananthapuram Please Enable Macros to View BoQ information |
