Design Supply Installation Testing and Commissioning of 150kWp on Grid Roof ZTop Solar photo voltaic power plant at Helicopter Division including 5 years Comprehensive Annual Maintenance

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Experience of having successfully completed similar works during last 7 years ending on the previous day of submission of tender should be either of the following: [Work completion certificates along with LOA/PO/WO should be uploaded] (i) THREE similar completed works each costing not less than the amount equal to 40% of the estimated amount put to tender. (ii) TWO similar completed works each costing not less than the amount equal to 50% of the estimated amount put to tender. (iii) ONE similar completed work costing not less than the amount equal to 80% of the estimated amount put to tender.

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work done

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DECLARATION I

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DECLARATION II

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The tenderer shall visit the site and acquaint themselves with the scope of work before quoting.

Supply, installation, testing & commissiong of 150KWp Grid Tied (On grid) Solar Rooftop Power Plant with all accessories as detailed in technical specification. 150Kwp grid tide power plant to be connected to existing LT network. (Part-A)

The scope of the work also includes 5year Comprehensive annual maintenance contract(CAMC)- Part-B. After completion of Part-A work (Establishment of plants), commissioning and handing over of solar power plants to HAL , comprehensive maintenance period of 5 years will commence from taking over of installation by HAL. The total quoted amount towards CAMC is proposed to be released on quarterly basis after completion of quarterly maintenance against submission of CAMC bill and suporting document as per scope of work.

It may be noted that, the successful tenderer have to submit the Security deposits for Part-A work (Establishment) and Part-B work(CAMC) separately as per the details given at SCC clause no:1

Subject tender has been called on item rate basis. Basic Rate to be quoted for each item.

Since, subject contract is works contract, as per GST rules, GST for 70% of total plant cost has been considered at 12 % GST and for balance portion, 18% GST has been considered. Tenderers have to quote basic rates for all items of work and GST component has been added at end as per BOQ format.

Successful offer that is L-1 (Lowest offer) will be determined by considering the quoted amount of both Part-A and Part-B together including GST.

The payment terms shall be governed as per the terms indicated in General conditions of contract.

Amount towards GST will be paid along with RAR payment against invoice.

The tenderers are requested to abide by the rules of prevailing GST act.

This BOQ specification has to be read in conjunction with technical specifications and tender drawings. Any ambiguity in these have to be brought to the knowledge of contract section before submission of tender to avoid future claims/dispute.

Specification of item

Supply, Installation, Testing & Commissioning of 150KWp On grid tied roof top solar plant:

Supply, Fixing, Testing & Commissioning of 150 KWp Grid Tied Solar Rooftop Power Plant consists of Solar Photo Voltaic array, power conditioning unit(PCU), consisting of Maximum Power Point Tracker (MPPT), inverter, controls, protections and switches. PV Array is mounted on suitable structure. Grid tied SPV system is without battery and should be designed with necessary features to supplement the grid power during day time. Components and parts used in the SPV power plants including the PV modules, metallic structures, interconnecting cables, junction box, switches, PCU's, earthing etc., complete in all respects and as detailed as below:-

Supply, installation, testing and commissioning of Solar PhotoVoltaic modules of minimum 535Wp or above rating consisting with 144 half-cut cells configuration, with MONO crystalline silicon solar cells meeting IEC 61215 (revised) / IS 14286 / IEC 61646 standards. PV modules must qualify to IS/IEC61701 also PV modules used must qualify to the latest edition of IEC PV module qualification test or equivalent BIS standards. In addition, the modules must confirm to IEC 61730-1 & IEC 61730-2 with minimum efficiency of 20% with all accessories as per the tender specification, module shall have positive tolerance of 0 to 4% and negative temperature coefficient of power for the modules shall be less than or equal to 0.45% per deg. C.

Supply, Installation, Testing and Commissioning of Grid Tied solar string inverter of 150kVA rating , IP 66 rated, outdoor, and IP 20 for indoor unit the output should be three Phase 415V, 50Hz, true sine wave inverter system, with Maximum Power Point Tracker charge controller. Inverter should have MPPTs as per OEM design and site requirement for extracting more output, Minimum protection required shall be over voltage/surge, over load, short circuit and anti- islanding protection. Inbuilt RS-485 communication port. Earthing shall be provided as per IEC standards. IGBT / MOSFET switching and microprocessor / DSP type controller with true sine wave output. Unity Power factor(150kVA=150kW). Accuracy of AC voltage control = +/-3%. Accuracy of AC frequency control = +/-1%. Frequency = 50Hz. Intelligent interface with LED/LCD display(Bluetooth/Wi-Fi interface is also acceptable). Total Harmonic Distortion <3%, the minimum inverter efficiency should be >95% and P.F of >0.9. The inverter should have all specification, protections, operational modes, etc as detailed in technical specification. The inverter should have in-built Type Surge protection device on AC and DC side. The item includes all necessary accessories like supports, canopy etc,.

Supply, fabrication, fixing & grouting of MS angle frame work/Mounting stand with Canopy arrangement for the Inverter erection.

Supply and Erection of DATA Monitoring System with Display monitor as per IEC standard.

Supply, installation, testing and commissioning of AC Distribution panel board suitable for 415V, 50 Hz, outdoor type with IP55, metal clad, totally enclosed, rigid, floor or wall mounted, air insulated cubical type. Class I+II surge Protective Device with CT & Multifunction Meter, incoming MCCB & Outgoing MCCB. DCDBs, cabling from AC Isolation boxes to inverter, array junction boxes etc., complte in all respects inline with detailed specificaiton.

All other accessories for complete functioning of solar PV power plant.

ELECTRICAL WORKS

Providing and fixing following rating and breaking capacity and pole MCCB with Microprocessor Release spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required

Supply, fixing on wall/grouting to floor up to 1200mm above ground level as per site requirement using suitable size MS angle iron frame work finished with two coats of enamel spray paint over a good primer, testing and commissioning of 400A 4P 415V gr. MCCB microprocessor based(MP) based in a factory built powder coated sheet steel enclosure, MCCB shall be microprocessor based with Adjustable overload settings (40% to 100%), overload and short circuit releases, Inbuilt instantaneous Protection including door interlocking device, front operating handle complete, ON and OFF indication of LED module etc. complete in all respects. including suitable cable end box(incoming/outgoing) wherever necessary complete in all respects and as directed by Engineer-in-charge. (scope includes MS frame work as per requirement)

Supply & laying on cable tray/fixing on wall/duct wall with necessary M.S clamps / encasing in pipes etc., testing & commissioning of 3.5C x 300 Sqmm size XLPE/PVC insulated Aluminium (Al) conductor 1100V gr., IS marked earthed Armoured (Arm) U.G cables as directed and as per technical specification.(from inverter to Distribution Board, Metering and LT Panel)

Supply and connecting indoor type cable end joints for 3.5C X 300 Sqmm size 1.1 KV gr., Aluminium(Al) conductor PVC/XLPE insulated armoured LT UG cables by employing necessary glands, terminals(Al), bolts & nuts etc., complete in all respects.

Supplying and fixing of 150 x 50 x 1.6mm size Hot dip galvanized Perforated type cable tray of following sizes, steel: As per IS:2062 / 1079, Galvanizing : As per IS: 2629 / 4759 including all accessories like base slotted angle , horizontal elbow, horizontal tee, horizontal cross, horizontal reducer, vertical elbow up, inside, vertical elbow down, outside, coupler plate, fasteners etc.(MS support for cable support will be measured separarley.)

Fabrication, supply, fixing / welding / grouting to the existing wall/cable duct suitable size MS angles/channel/flats with cross supports, clamps etc. support for cable tray for BOQ item no 5 only including fixing hardwares & painting with two coats of black paint over a coat of primer complete in all respect and as directed by Engineer in charge.

Comprehensive Annual Maintenance of 150KWp on grid Roof top Solar Photo voltaic power plant including 5 years comprehensive maintenance as per the scope of work, Terms and conditions enclosed in Tender Technical Specification Page No.106 to 110 but exclusive of operation cost.