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Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L-1₹70.0 LAccepted-AOC 2 YOUR TENDER SUBMITTED ON 22 08 2025 ON E TENDER WEBSITE 3 YOUR PRICE BID OPENED ON 11 09 2025 ON E TENDER WEBSITE SIR THIS IS TO NOTIFY YOU THAT YOUR TENDER FOR THE WORK UNDER REFERENCE HAS BEEN ACCEPTED | L-1 | Accepted-AOC M/s E and C Engineering and Consultancy Services Pvt Ltd is lowest and accepted. | |
| 2 | L-2₹70.2 L+₹24,215.62 (0.35%)Rejected-Finance 95 A GOVIND NAGAR RACE COURSE OPP GURUDWARA DEHRADUN UK PIN 248001 | DEHRADUN | DEHRADUN | UTTARAKHAND | 248001 | L-2 | Rejected-Finance Now Lowest | |
| 3 | L-3₹80.2 L+₹10.3 L (14.7%)Rejected-Finance B 1203 VRINDA RESIDENCY BARIATU ROAD RANCHI JHARKHAND 834009 | RANCHI | RANCHI | JHARKHAND | 834009 | L-3 | Rejected-Finance Now Lowest | |
| 4 | L-4₹90.8 L+₹20.9 L (29.8%)Rejected-Finance | L-4 | Rejected-Finance Now Lowest | |
| 5 | Rejected-Technical | - | Rejected-Technical Not admitted for F-bid opening as not meet NIT criteria |
| Sl No | Description | Qty | Unit | arics infrastructure L3 | Vinayak Trading House L4 | E AND C ENGINEERING & CONSULTANCY SERVICES pvt ltd L1 | M/S Manmohan Singh Anand L2 |
|---|---|---|---|---|---|---|---|
| 1.00 | Design, procure, erection, installation, testing and commissioning including connecting to local utility grid; Roof top On-grid Solar Photovoltaic Plant of 50 kWp capacity including Solar Photovoltaic Modules, DC Cabling, Module Mounting Structures, Array Combining Boxes, Lightning Protection of SPV modules and other accessories, Central Inverter as Power Conditioning Unit, Weather Station and Data Monitoring System all as per detailed specifications given in Particular Specification, latest MNRE/IREDA guidelines and directions, meeting the Domestic Content Requirement (DCR), consisting of all requisite accessories (BOS-Balance of System) and incuding the following main componenets:-
Make In India: Solar Panel & Solar Cell: Monocrystalline PV Modules & PV Cells : TATA / BHEL / HMV / Waaree Energies Ltd / Vikram / Adani / Emmvee / Premier Energies Solar Invertor/ Power Conditioning Unit (PCU) : DELTA / SUNGROW / GROWATT / POLYCAB / HAVELLS / FIMER.
Note: 50 KWp (i.e. 50 KW AC out put) (02 Nos) solar roof top plant will be installed at Demo Coy and DSC Bldg including annual maintenance cost for 03 Years after completion of Defect Liability Period of 02 Years post completion of work after installation, testing and and commissioning of plant.
During defect liability period, contractor will carry out following activity:-
The scope include:
(i). Cleaning once in a month. (ii). Competent persons through Authorized Service centre will always be deputed to respond the calls who are aware of safety and statutory norms. (iii). For monthly cleaning and preventive maintenance activity - team of one expert Engineer & two semi-skilled technicians will be deputed and they will submit monthly report. (iv).sensors & Data Logger once in 2 month:- (a) Sensor healthiness. (b). Optical Fibre Communication loop healthiness (c). Data logging accuracy (d). Frequency- Monthly
(v). Reliability Centred Maintenance once in a month:- (a). Preventive maintenance of the complete plant - String healthiness, presence of burn marks or local hotspots, Inverter checking, checking of healthiness of power distribution panels etc. (b). Integrity improvement (proper identification of strings and all cables) (c). Frequency-Monthly
vi. Breakdown Calls:- (a). To be responded within two hrs and resolution within 24 to 48hrs for minor issues like string problem etc. on a working day. (b). Call log notification time will start from the time a mail has been triggered by the Solar Log system or Customer reports any abnormality (c). Visits of any OEM Engineer will be organized vendor/contractor wherever specialized input is required for addressing the breakdowns at site without any extra cost after completion of 2 years of Defect Liability Period, contractor will provide additional maintenance of the Solar Plant for further 3 years as per scope of maintenance referred above (i.e. total maintenance period 2+3 years).
Note:- (Inverter capacity 25/ 50KW as applicable with 05 years warranty) | 2 | Each Job | 28,25,000 ₹56,50,000 | 34,00,000 ₹68,00,000 | 26,97,971 ₹53,95,942 | 26,75,555 ₹53,51,110 Lowest |
| 1.01Sl Item 1 Contd…. (A) Mono Crystaline Silicon Solar Photovolaic Modules of 500 Wp or more (module power and number of modules to be selected according to available roof top area & adequate walkway), having cell efficiency more than18% under standard conditions, form fill factor more than 0.76, plant performance ratio > 75%, made of high transmitivity glass front surface and it shall give high encapsulation gain (transmittance above 90% and bending less than 0.3%). The modules shall have the folling features :- (a) The electrical parameters of SPV modules under standard test condition of irradiance 1000 W/sqm, AM 1.5 Spectrum and temp 25 degree Celsius shall be as under:- (i) Max Peak Power Pmax : 500 Wp or more (ii) Voltage at Max Power : > 39 V (iii) Current at Pmax : > 9 A (iv) Short Circuit Current : > 10 A (v) Open Circuit Voltage : > 47 V (vi) Module Efficiency : > 19 % (b) Rated output of the modules shall have positive tolerance of 3-5% and no negative tolerance is allowed. (c) It shall perform satisfactorily in RH 85% with temperature up to +85 degree C and should withstand wind of 200 kmph on the surface of panel. (d) PV modules shall be warrented for their output peak watt capacity, and it shall not fall of its initial value below 90% in first 10 year end and 80% after the end of 25 years. | |||||||
| 1.02Sl Item 1 Contd…. (e) Each module shall have RFID tag encapsulated with solar cell bearing following details :- (i) Name of Manufacturer of SPV Module (ii) Name of Manufacturer of Solar Cell (iii) Month and year of Manufacturing (seperately for cell and module) (iv) Country of Origin (both cell and module) (v) Peak wattage, Im, Vm and fill factor of the module (vi) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate. (vii) Unique serial no and model no of module (viii) IV curve of module (f) The temperature coefficient of power for the module shall not be more than 0.50% per degree Celcius. (g) Every module must have bypass diode of suitable capacity. (h) PV module must confirm to latest edition of IEC 61215/ IS 14286. In addition the modules must confirm to IEC 61730 Part I and II for construction and testing & safety qualifications and confirming to IEC 62804 PID. (j) It shall also be in confirmity to latest minimum technical specification issued by MNRE & IREDA from time to time. Modules should be of MNRE & IREDA approved companies and as per latest IEC/IS standards. (k) Provision of earthing and earth strip / cable etc for earth of solar PV module/ array etc as per latest IS/MNRE & IREDA norms to be provided and cost of the same is deemed to be included in the item and no extra amount will be paid to the contractor on this account. (The earthing shall be of copper earth plate and having specification as per SSR Item Sr 19474). | |||||||
| 1.03Sl Item 1 Contd…. (l) RFID reader is to be provided by contractor (m) Both PV cells and SPV modules shall be make in India. | |||||||
| 1.04(B) Junction Boxes : Supply and fix junction boxes of suitable Nos (as per design)/ OEM recommendations inputs and suitably rated output having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plast with IP 65 protection in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and maintenance free earthing as per relecant standard. The junction box shall have suitable arrangement of the following :- (a) The strings are required to be connected to the copper bus bar through individual fuses. (b) Provide arrangement for disconnection (DC dis-connection switch) for each SJB/ SCB. (c) Provide a test point for each sub group for quick fault location and to provide group array isolation. (d) Each array box shall be of relevant IEC standard. (e) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard. Make : As per OEM | |||||||
| 1.05Sl Item 1 Contd… (C) DC Cables : Suitable size of XLPE insulated tinned Copper cable (min 6 sqmm of size) of Solar grade, 1100 Volts and UV resistant for outdoor installations confirming to IEC : 60227/15694 & 60502/ IS : 1554 (Pt I&II) and shall be as under :- (a) All cables and connectors for use of installation shall be of Solar grade which can withstand harsh enviromnetal conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years and voltage as per latest IEC/ IS. (b) All the cables / wires shall be provided with UV resistant printed ferrules for DC side. (c) The size of the cable shall be such that avearage voltage drop at full power from PV module to inverter shall be less than 1.5%. (d) Cable batch No, drum No, IS code and size and make shall be metioned on every one meter or as per OEM practice. (e) The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size. (f) The cost of interconnecting DC Copper cable, MS cable trays, and earth work for trenches/ MS cable trays suitable to accommodate Solar grade cables from SPV module upto inverters are included in the item. | |||||||
| 1.06Sl Item 1 Contd…. (D) Module Mounting Structure (MMS) : Design, procure, fixing, support structure made of hot dipped galvanised with min 85 micron thickness including necessary PCC foundation and associated work (cutting, grouting, PCC filling, dispoing waste material, etc., complete) and fixing mounting arrangement suitable for SPV modules so as it can withstand wind speed of 200 km per hour. The mounting structure is to be installed at RCC Roofs and the array structure has to be so designed that maximum load is directly on roof beams and columns. It shall also occupy minimum space without sacrificing the output of SPV panels & adequate space between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, mounting structure including module mounting structure shall have to be adequately protected from the atmosphere and weather prevailing in the area. All the fastners shall be of Stainless Steel of grade SS316. Notes : (a) Two numbers of anti theft fastners of Stainless Steel on two diagonally opposite corners of each module shall be provided. (b) The module mounting structure shall be of fixed to provide maximum generation. (c) MMS design shall be supported with Stadpro Report vetted by Third Party (Gov Institute) and submitted for the approval of the Acepting Officer. (d) The height of Roof top MMS shall be as per latest MNRE & IREDA guidelines. (e) The cost of Module Mounting Structure (MMS) shall be deemed to be included in rate quoted for item No 01 above. | |||||||
| 1.07Sl Item 1 Contd…. (E) Lightning Protection for PV Array : Design, procure and fix lighting arrestor system cofirming to IS/ IEC-62305 (Part 1 - 4) on the roofs. The air terminal shall be fixed at the top of GI elevation pole with base so as to be at least two meter above the structure to be protected. Its height above roof level shall be depend upon the level of protection and protection radii required. Notes : (a) The cost of all equipments, Copper strip upto earth test point, etc., shall be deemed to be included in this item. (b) The cost of earthing for lightning protection shall be deemed to be included in this item. (F) Power Conditioning Unit : Procure, fixing, testing and commissioning of 50 KW AC (nominal power), Solar power inverter suitable to convert DC power of Solar PV module/ array to AC for further feeding to grid confirming to IEC : 61683 for efficiency, IEC : 62109-1 or equivalent for safety and IEC : 62093 for reliability. The input DC & output AC technical specification of Inverter are as under :-. Input (DC) (a) Max Absolute DC input Voltage : 1000 V b) Start-up DC input voltage : 360 - 500 V (Default 420V) c) Operating input DC voltage range : 300 - 950 V (d) No of independent MPPT : One (e) MPPT input DC voltage range at Pacr : 480 - 800 V DC (f) Max input DC Current : 110 A (g) Maximum input short circuit current : 160 A (h) No of Protected DC inputs : 8-20 | |||||||
| 1.08Sl Item 1 Contd…. (G) Output AC (a) AC grid connection type : 3Phase (4W + PE) (b) Nominal Power at unity PF : 50 kW (c) Max AC output power : 50 KW (d) Max AC output Apperant power : 50 KVA (e) Max AC output Current : 74 A (f) Max AC fault current : 1.25 to 2.5 times of rated current (g) Nominal Output Voltage : 415 V (h) Output voltage range : 415 V ± 20% (j) Output Frequency : 50 Hz ± 3Hz (k) Power factor : > 0.995 (l) Harmonic Distortion Current : < 3% (m) Efficiency : > 98% (n) Standby operation consumption : < 1.5 W | |||||||
| 1.09(p) Operating temperature upto 85 degree centigrade (q) The inverter shall have minimum IP-67 protection, ground fault monitoring, grid monitoring, protection for anti-islanding, DC reverse polarity, AC and DC short circuit current and over current, AC and DC over voltage and over temperature. (r) The inverter shall adjust voltage and frequency levels to suit the grid. (s) The inverter shall be self commulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronise maximum with in one min. (t) Maximum Power Point Tracker (MPPT) confirming to IEC 62093 shall be integrated in the inverter to maximise the energy drawn from the PV array (u) Monolithic design of inverter is not permitted. (v) The inverter shall have suitble nos of protected inputs (asper design) and outgoing shall be protected by ACB/MCCB. | |||||||
Tender Value
₹77.0 L
EMD Value
₹1.4 L
Closing Date
13 Sept 2025, 6:00 pmClosed
Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
CWE Ranchi
Headquarters Commander Works Engineers Ranchi Military Engineer Services Dipatoli Mil Station Hotwar, Ranchi-834009
PROVN OF ROOF TOP SOLAR PLANTS 125 KW AT CERTAIN BUILDINGS AT MIL STATION GAYA
2025_MES_714908_2
80599/1620/E8
Open Tender
Electrical and Maintenance Works
Item Rate
120 days
GE Gaya
As per tender documents
6 documents required · 6 mandatory
₹1,000
GE Gaya
₹1.4 L
Yes
HQ CWE Ranchi
15 Nov 2025
27 Aug 2025
20 Sept 2025
27 Aug 2025
13 Sept 2025
6 Sept 2025
27 Aug 2025 - 3 Sept 2025
3 Sept 2025
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