The West Bengal Small Industries Development Corporation Limited Tender
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The West Bengal Small Industries Development Corporation Limited - WBSIDCL Tender
Electrical and Maintenance Works
Eprocure
Opening Date9 Jan 2020
Closing DateCancelled
Tender AmountRefer Documents
Costs
EMD
₹ 21,000Document Cost
₹ 1,180Tender Fee
Refer Documents
Summary
Wbsidcl/45 Elec Of 2019-20 Sl 3
Description
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Contact
Tender Id
2020_MSMET_264984_3Bid Award Id
ViewTender No
NIET 45 Elec of 2019-20Tender Authority
The West Bengal Small Industries Development Corporation Limited ViewPurchaser Address
-Website
http://https://wbtenders.gov.in/
GEM & Bid Advisory Services
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BOQ Items
Origin : Manufactured in India
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Efficiency: = 17%
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Fill factor: = 70%
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Degradation warranty: =90% of design nominal power after 12 years, =80% of design nominal power after 25 years.
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Module frame: Non-corrosive and electrolytically compatible with the mounting structure compatible with the mounting structure
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Termination box: Thermo-plastic, IP 66, UV resistant
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Blocking diodes : Schottky type Each PV module must contain 3 nos of Bypass diodes
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Module minimum rated power The nominal power of a single PV module shall not be less than 330Wp.
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Potential Induced Degradation(PID) Test :Modules with PID testing certificate at following test conditions or better:
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a) Temperature: 65 ± 5°C
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b) Negative Voltage of 1000 volts
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c) Relative humidity: 70%
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d) Test period: 96 hours
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RF Identification tag for each solar module : Yes. Must be able to withstand environmental conditions and last the lifetime of the solar module.
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RF Identification tag data :
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a) Name of the manufacturer of PV Module
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b) Name of the Manufacturer of Solar cells
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c) Month and year of the manufacture (separately for solar cells and module)
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d) Country of origin
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e) I-V curve for the module
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f) Wm, Im, Vm and FF for the module
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g) Unique Serial No and Model No of the module
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h) Date and year of obtaining IEC PV module qualification certificate
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i) Name of the test lab issuing IEC certificate
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j) Other relevant information on traceability of solar cells and module as per ISO 9000 standard
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Power output rating :
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To be given for standard test conditions (STC). I-V curve of the sample module should be submitted.
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Compliance with standards abd codes :
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IEC 61215/ IS 14286, IEC 61730 Part 1 and 2
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Salt Mist Corrosion Testing As per IEC 61701
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Thickness : 4.0 mm minimum for 72 Cell PV Module.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 5 to 7 of Annexture-I
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S & I Hot dip galvanized MS Structured for mounting of about 40 nos. SPV Modules with galvanization thickness of minimum 85 micron as per following specificcaion.
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Wind velocity withstanding : capacity 200 km / hour
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Structure material : Aluminium alloy 6063-T6 with an L-angle profile size of not less than 50 x 50 x 6mm and U-profile channels of not less than 33 x 33 x 3 mm.
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Bolts, nuts, fasteners, panel mounting clamps : Stainless steel SS 304
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Mounting arrangement for RCC flat roofs : With removable concrete ballast made of pre-fabricated PCC (1:2:4), M15
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Mounting arrangement formetal sheet roofs Mounting directly on the sheet metal, ensuring stability and wind withstanding capacity, or penetrating the sheet metal and fixing to the sub-structure, ensuring that the roof remains water proof and ensuring stability and wind withstanding capacity.
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Mounting arrangement for elevated structure: The elevated structure has to be securely anchored to the supporting surface. Concrete foundation of appropriate weight and depth for elevated structure direct mounted directly on the ground bolted with anchor bolts of appropriate strength for elevated structures mounted on RCC surface.
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Mounting arrangement for ground installations: With removal concrete ballast made of pre-fabricated PCC (1:2:4), M15, assuring enough ground clearence to revent damage of the module through water, animals and other environmental factors.
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Installation: The structure shall be designed for simple mechanical on-site installation. There shall be no requirement of welding or complex machinery at the installation site.
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Minimum distance between roof edge/fence and mounting structure : 600 mm to 1000 mm as approved by EIC as per site condition.
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Access for panel cleaning and maintenance: All solar panel must accessible from the top for cleaning and from the bottom for access to the module-junction box.
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Panel tilt angle: North-south orientation with a fixed tiltangle depending on the location. The tilting angle range in Karakal will be 10.5 to 11 degrees, south facing.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 9 to 10 of Annexture-I
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S & Macking of necessary concrete foundation column for module mounting structure as mention below
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Ordinary cement concreate M-15 (1:2:4) with graded stonechips (20 mm) excluding suttering & reinforecement if any in ground floor as per relevant IS code.
5.21
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 10 to 11 of Annexture-I
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S & F 12 KW, 3-phase, 415 VAC adjastable up to (+ 12.5%,-20% VAC), 50 Hz AC Grid-Tied Inverter of following specifications and as required nessery conection and earthing attechment . ( Make- ABB / KACO/ SMA/ THEA) having the following specification:
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Total output power (AC) : To match solar PV plant capacity while achieving optimum system effiency (DSP Band inverters to ensure higher efficiency)
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Input DC voltage range: 200V - 950V
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Maximum point (MPPT) tracking : Yes
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Number of independent MPPT inputs : Minimum 3 nos.
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RFI : To minimize the both conducted and radiated RFI emissions
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Internal Consumption Night : 1.5 Watt
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Regulation : Naximum 5% against input voltage and load variation
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Dielectric strength : 1.1 KV between input/output with ground with EMI protections & 1.5 KV between input and output
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Instrumentation : Input Voltage & Current, Output Voltage & Current , Frequency.
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Status Indication : Input, Output, Inverter (On/Trip/Fault/Off)
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Fault Indication : Visual indication with blinking super glowing LED audio
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Degree of Protection : IP65
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Cooling : Fan forced
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Power Switching : High Efficiency IGBT
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Power Control : Phase controlled pulse width modulation
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Earthing Provisions : AC bypassing to earth on Inverter and DC inputs
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Surge rating : 150% of rated output for 30 seconds
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Grid Acceptable Range : AC Voltage +/- 17%, +/- 3
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Operation AC voltage : Three phase 415 V ( + 12.5%, -20 %)
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Operating Frequency range : 47.5 - 52.5 Hz With range for grid voltage and frequency parameters
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Nominal frequency : 50 Hz
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Power factor of the inverter :. 0.98 at nominal power
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Total harmonic distortion : Less than 3 %
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Built - in Protection :i. Input over voltage
ii. Reverse-polarity protection
iii. Reverse current to PV array protection, over voltage,
iv. Under voltage protection v. Over current
vi. DC inject protection to grid
vii. Over current
viii. Over and under grid frequency protection
ix. Anti-Islanding protection (As per VDE 0126-1-1/IERC 60255.5 or equivalent standards. Testing as per IEC)
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Operating ambient temprature range: - 10 degree C to + 60 degree C
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Humidity : 0 - 95% Rh
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No load losses : less than 1% of Rated output
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Self commutated IGBT base invertors with pulse width modulation invertor on/off Switch to be provided
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 11 to 12 of Annexture-I
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S & Laying of sutable size of wires & Cables including Wiring materials as per following specification.For dc cable ; suitable size of tinned annealed stranderd flexible copper conductor as per IS 694 (make: Polycab / LAP / LEONY as approved by EIC).For ac cable: 1.1 KV, excellent resistance to heat, fire, oil, coil,abrasion,UVradiation,armoured /unarmoured as per requiredment stranderd flexible copper/armoured AL. pvc insulated as per following specifications. .(Make: RR Cable /polycab/havell's as approved by EIC)
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General Test & Measuring Methods - IEC 61427
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PVC insulated cables for working Voltages upto & including 1100V - IS 694/IS 1554
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PVC insulated cables for working Voltages upto & including 1100V, UV resistant for outdoor installation - IS/IEC 69947
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DC Cable
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Conductor: Tinned annealed stranded flexible copper
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Insulation: PVC
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Standard : IS 694
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Make: Polycab / LAPP / Top Solar / Nexans / Schneider or equivalent as approved by EIC.
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AC Cable
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Rated Voltage : 1.1 KV
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Construction: Excellent resistance to Heat, Fire, Oil, Cold, Water, Abrasion, UV radiation
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Type: Armored or Unarmored as per requirement
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Conductor: Stranded flexible Copper /Armored aluminum
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Insulation: PVC
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Standard: IS 1554
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Make: Polycab / LAPP / Havell’s / RR Cable or euivalent as approved by EIC.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 18 to 20 of Annexture-I
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S & Fixing PV Array Junction Box (AJB) IP65 withstand voltage 1000VDC, as per following specifications incl. nessery conection and earthing attechment.
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Maximum Roof space utilization : 12 sqm / kwp for true south
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Degree of Protection: IP65
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Design Factor of Safety: 1.5
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Material: Polycarbonate
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Withstanding Voltage : 1000V
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With standing Temperature : 100 degree C
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Accessories mounting arrangement : As suitable
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Number of Strings entry : As may be required
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Cable Entry and Exit
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Position : Bottom at cable entry and exit
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Cable Entry and Exit connector type : MC4(PVArray String cable)
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Cable gland : Earthing cable entry
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Fuse with fuse holder
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Position : Positive and negative terminal for each series string
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Type: Glass fuse, for PV useonly
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Rating : Current: Minimum 1.25 times the rated shortcircuit current of the series string
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Earthing Provision : Terminal blocks will have to be provided for Earthing
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The footing base of the structure should be painted by good quality (IS approved) water proofing bituminous paint.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 16 to 18 of Annexture-I
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S & F Grid Interfacing LT Panel / ACDB as per following specifications with Energy meter including nessery conection and earthing attechment.
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MCB
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Make : ABB / L & T / Siemens / Schneider / Havells / Crabtree or equivalent
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Type : 4 Pole
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Rating : 415V, 16A
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Bus Bar
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Rating :3 Ø with Neutral, 415V 16A
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Type : Aluminum
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Indicator : Provided
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Earthing Provision: Terminal Blocks will be provided for Earthing
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Enclosure
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Degree of Protection : IP 42/43
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Type :Sheet Steel, Powder coated. Horizontal / Vertical Enclosure dust and Vermin proof
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Type of Fixing: Wall Mounted
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Accessories mounting arrangement : DIN Rail or as Suitable
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 15 to 16 of Annexture-I
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Earthing with 40 mm dia GI pipe (ISI medium as approved by EIC) 4.5 Mts.long and 25mm x 5 mm GI strip (Hot Dip) as a earth lead and earth continuity conductor including others accessories and providing masonary incluser with cast iron cover plate having locking arrangement,watering pipe using charcoal or coke and solt as required as per povisions of IS 3043 and nessesary provision shall be made for bolted isolating joint of each earthing pit for preodic cheeking of earth resistance.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 11 of Annexture-I
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S & F Lightning Conductor Air Terminal made of 20 mm dia 1000 mm long GI pipe (ISI Medium) having five discharge prongs of 4 SWG GI (Hot Dip) wire at top duly soldered with 7/16 stranded GI (Hot Dip) wire and 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. complete duly grouted on the parapet etc. in CC mortar ( 4:2:1). Necessary concrete foundation for holding the lightning conductor in position to be made after giving due consideration to maximum wind speed and maintenance requirement at site in future.
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Supply & fixing GI (Hot Dip) strips 25 mm x 6 mm thick for horizontal run on the Parapet/Roof/ Wall with GI Saddles 1100 mm apart incl. mending good the damages to building works
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Supply & fixing of GI (Hot Dip) strips 25 mm x 6 mm thick for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good damages to building work
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For further technical details of Item no.-1.09 to 1.11 please refer to "Technical Specification of SPV Modules" at page no.- 21 of Annexture-I
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Connectivity arrangement i.e; connection of net metering system as follows with local DISCOm network and cordination with DISCOm (inthis case CESC Ltd) as stated below.
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For Net metering system : The existing service connection energy meter is to be replaced by th e distribution licensee with a bidirectional energy meter of the same accuracy class as the existing service connection meter. If the existing service connection meter is already programmed for bidirectional energy recording there will be no need of replacing the matter.
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Installation, Testing and commissioning including Transposition charges.
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a) Type Test Certificates shall be provided for the solar modules and the solar grid inverters to provide evidence of the complience with standards as specified this Technical Specification. Client reserves the right to ask for additional test certificates or (random) tests to establish compliance with specified standards.
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 8 of Annexture-I
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Five (5) years Annual Maintenance as per follows.
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Preventive/Routine Maintenance : This shall include activities such as routine checking the health of the SPV Power plant, tightening of all electrical connections, changing of tilt angle of module mounting structure and any other activity that may be required for proper functioning of the SPV Power Plant as a whole. Conducting of O & M training for the technicians of customers.
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Breakdown/Corrective Maintenance : Whenever a complaint is lodged by the user, the bidder shall attend to the same within a reasonable period of time of 48hours and in any case the breakdown shall be corrected within a period not exceeding 72hours from the date of complaint.
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a) Adequately trained manpower, specifically trained by the bidder for carrying out the service activities
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b) The suppliers should provide generation data on annual basis for the initial 2 years. The security money will be released based on performance of the plant in respect of generation
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c) Adequate spares and manpower for ensuring least downtime of an individual system.
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d) Provision for Module cleaning and further technical details please refer to "Technical Specification of SPV Modules" at page no.- 24 to 25 of Annexture-I
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S & F other accessories are as follows.
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Danger Board of Size 200 mm x 300 mm
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S/I in position approved make dry chemical powder fire extinguisher of following capacity complete with chromium plated gun metal union (cap), fitted with braided hose and open nozzle with initial charge of dry chemical powder and gas cartridge complete with bracket and fixing screws. The extinguisher is internally and externally coated with lead tin alloy through hot dip process and cylinder bearing no. IS:15638/2006 and the gas cartridge bearing with ISI certification mark. Make:- Minimax/ Surex/ Deflame/ Fire Shield or approved by EIC. 5 KGS Capacity.
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S/I in position approved make carbon dioxide 4.5 Kgs capacity fire extinguisher, made of high pressure with wheel type valve with one meter long braided high pressure discharge hose which should have a minimum of bursting pressure of 14.0 N/Sqmm and fitted with ABS discharge born and handles (non- conductor), complete with bracket and steel handle on the body fully charged with ISI certification mark ISI:15638/2006. Make:- Minimax/ Surex/ Deflame/ Fire Sheild or approved by EIC.
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GI bucket as per IS, capacity 9 Ltrs filled with sand. (Fire Shield/ Minimax Make).
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For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 22 to 23 of Annexture-I
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