Military Engineer Services Tender

Solar PV module GI frame work and Dead Weight : Modular mounting structure(MMS), fabricated from pre coated mild Steel / hot dipped Galvanized Iron section of suitable size with appropriate & optimum tilt angle according to site requirment to achieve maximum benefit of solar energy and suitable to withstand total 200 KM/Hr wind speed with sufficient quantum of Dead Load Fly Ash/PCC Brick/Block total weight 9000 Kg minimum as per Structural deign data complete all as specifed and as directed by Engineer in Charge. Note:- (a). Module mounting structure may require to be customized with respect to the site availability. (b)The contractor shall submit structural design on Stad- Pro based on Wind load of 200 kmph on the surface of the panel, live load and dead load of structure with solar panel & seismic zone III . Any deflection to the mounting structure shall be as per IS 800:2007 (c) Minimum thickness of galvanization should be at least 600 gsm. Test certificate of galvanization shall be submitted by contractor.

(d) The structure will not be grouted on the roof and roof will not be damaged in any way during the installation, Any unintended damage done to water proofing/roof structure during installation shall be made good by the contractor at no extra cost as directed by GE. Inter connection of Solar PV modules, connection to DC Control Box and Connection from DC Control Box to Inverter : DC cable single core 6 sqmm copper XLPE flexible conductor cable conforming to relevant IS weather proof, UV resistant, rated voltage 1100V grade including suitable type of copper lugs, suitable required qty of male & female MC4 connectors (M-10, F-10) & joints etc including Aluminim raceway for cable, complete as specifed and directed. MAKES: POLYCAB, FINOLEX, HAVELLS

DC Control Box -1No .Supply, fix and testing of DC control box/junction box, with mounting holes, Mounting Screws of required qty, for 40 KWp plant ,weather proof (IP - 65) suitable for outdoor duty with and including suitable rating of MCB breakers, string fuses with base, copper bus bar, voltage grade 1100V etc for combining solar PV module output complete all specifed and as directed. ON Grid Invertor 02 Nos: Grid tie Solar string Invertor unit of capacity 20KWp (DC to AC 415 volt, 20 KVA at given load condition, Three phase system), conforming to IEC 600682-2/VDE standards with multifunctional LED indications with alarm LED/LCD digital display system with following specification complete .- 01Nos (i) Nominal voltage: 415V, +/- 10% 3phase 40Hz (ii) Microprocessor /DSP micro controller system (iii) IP65 (outdoor) Protection enclosure (iv) Grid frequency synchronization +/-3% range (v) No load losses1% of rated power (vi) Ambient temperature 4°C to 60°C.

(v) Internal protection features against any fault in feeder line and lightening fault in feeder. (vi)Protection features- Inverter should have following protections (a) Anti islanding (b) Over voltage protection (c) Over current protection (d) Over temperature protection (e) Reverse polarity Protection (f) Surge protection (g) Short Circuit (g) Frequency change (vii) MPP Trackers (viii) No. of Inputs: minimum 6 (x) Total Harmonic Distortion 3%. (xi) Power Factor 90%. (xii) Inverter should be capable of synchronisation with grid supply and DG set supply. (xiii) Should have necessary support for Remote Monitoring System (RMS) Data logging system complete in-built with inverter (RJ45 port).

Make of RMS :- LAPP / DIGILINK / TOP / LEONE / SMA Make of cable :- LAPP / DIGILINK / TOP / LEONE Make of Invertor :- DELTA / SMA / SCHNEIDER / ABB Note:- If Grid tied Solar Invertor capacity as specified is not available then the same of higher capacity as available will be provided at no extra cost by the contractor.

A data logging system for plant shall be provided to measure the following data through web based application with cloud storage minimum 1 year: (i) Solar irradiance : Solar Irradiance an integrating sensor (Pyranometer) mounted in the plane of the array. Read out should be integrated with data logging system (ii) Wind speed: Wind Speed:An integrated wind speed measurement unit be provided. (iii) Amb temperature and Module surface temp :Temperature Sensor : Integrated temp, sensors for measuring the ambient temp and module surface temp and to be provided complete with read outs integrated with the data logging system. (iv) Module surface temp (v) Total output Voltage & Current. (vi) Generation data KWh (per inverter and cumulative) (vii) Instantaneous generation in KW (Each invertor and cummulative) Note: Facility of Remote Monitoring to be installed on existing PC at GE office and mobile app facility to be provided.

Invertor to AC control box : Supply and laying 4core 16sqmm 1100V grade copper flexible cable required qty as per site requirment complete all as specifed. AC Distribution Box -1Nos: Supply, fix and testing of AC control box suitable for 40KWp solar power plant and should be compatible with invertors and existingelectric m/cs. Weather proof with IP65 suitable for outdoor duty. Enclosure with mounting holes, Multifunctional Meter, 415V rating copper Bus bar- 3 Phase, Mounting Screws, AC Surge Protection Device -01 No. (SPD Class 2 as per IEC 60364-5-53, Input 5KV) MCCB 4P 63A, 415V, 25 KA- 01 No.,ON/OFF indication lamps, connections ,lugs or glands etc complete all as specifed and as directed. MAKE OF MCCB: LEGRAND / L&T / SIEMENS / SCHNEIDER/HAVELLS

Solar panel to panel earth wire connection: Supply, laying & testing required qty as per site requirment of single core 6sqmm copper conductor cable conforming to relevant IS weather proof, rated voltage 1100V grade with and including suitable type of copper lugs, all as specifed and as directed to connect all the PV modules structurees to earthing systemcomprising 25x3mm Al strip roof conductor existing on the roof.

Earth wire connection of Invertor, AC control box & DC control box : Supply, laying & testing of required qty as per site requirment of single core 6 sqmm copper conductor cable conforming to relevant IS weather proof, rated voltage 1100V grade with including suitable type of copper lugs for earth wire connection of Invertor, AC control box & DC control box with existing roof top earth grid all as specifed and as directed. Protection Pipe for 6 sqmm copper cable E20Inter connection of Solar PV modules, connection to DC Control Box and Connection from DC Control Box to Inverter (Item 1.04) , Solar panel earth wire connection (Item 1.11), Earth wire connection of DC control box, Invertor & AC control box (Item 1.12)] : M&L High density polyethylene pipes (HDPE) of min 16 sqmm dia and pressure rating 6 kgf/cm2 required qtyfor protection of copper cable as per site requirment laid in fixed on wall with GI support included complete all as specifed and directed.

S&F aluminium strip 25mm x 3.15mm fixed with FRP saddles & fixing screws of size not less than 4 mm dia and 32 mm long for connection to existing roof lightning protection complete all as specified and directed.

M&L for civil works required for SPV panel supports, control box, invertor fixing etc complete all as specifed and directed. Need to provide Adequate DG PV synchroniser to synchronise DG supply with Solar Plant Out put NOTES:- (i) The contractor will have 2 year Defect Liabillity period after completion of the work. During the DLP contractor will ensure generation of Minimum Average units (4 Units/KW/Day). Contractor rep and GE rep will make a joint inspection of plant on monthly basis and monthly summary of plant production will be jointly signed. (iii) The rate quoted by the tenderer is deemed to be included to take licence of Chief Electrical Inspectorate of SEB and CEA (Central regulatory authority) including all registration fee and commissioning fee complete all as specifed and as directed. (ALL costs of SEB & CEA Registrations and approvals are deemed to be included in the contract rates)

(vi) The contractor shall carry out Shadow Analysis at the site and accordingly design strings & arrays layout considering optimal usage of space, material and labour. The contractor should submit the array layout drawings along with Shadow Analysis Report to GE for approval. (vii) Drawings : The Contractor shall furnish the following details for approval prior to the commencement of the work :- (a) General arrangement and dimensioned layout. (b) Schematic drawing of the plant showing the SV panels, Power conditioning inverter, Junction Boxes, AC and DC Distribution Boards, meters etc. (c) Structural drawing of the mounting structure. (d) Layout of solar Power Arrays and strings (e) Shadow analysis of the roof

(viii) On completion of project contractor shall provide Two sets of following : (a) Structural drawings. (b) Electrical drawings. (c) O&M manuals of each equipment showing complete technical data sheet including deatils of specifications and makes. (d) Details of synchronization equipment and protection equipment. (ix) Design of solar power plant to be vetted by NISE or independent agency approved by MNRE. (x) Display Board: The contractor to put up a display board of suitable size and type of material at the project site mentioning the following: Plant Name, Capacity, Location, Date of commissioning, Warranty details, CA no., MES Office, Power generation, Name of the contractor, Contact number for Maintenanace, etc. (xi) Test Reports / Certificates of PV Modules, Solar cells and Invertor to be submitted by the contractor.

M&L for earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6mm thick buried directly in ground vertically to a depth not less than 2.5 mtr below ground level with top edge of earth plate at a depth not less than 1.5 mtr connected to and including galvanized sttrip 25x4mm as earth lead up to 7.5 mtr long by means of nuts, bots, thimbless, check nuts and washers etc made of galvanized iron connected to earthing test point all as shown in electrical plate No 5 of SSR Part-I 1991 and as specified or indicated and testing on completion incl eart work and excavation in any type of soil PCC (1:3:6) type C1 chamber, pre cost slab 40mm thick in cement concrete )1:2:4) type B1 with 8mm dia MS bars reinforced at 10 cm centre to centre both ways including funnel with watering pipe wire mesh and lugs, including test point complete all as specified and as directed- 02 Nos for SPV panels.