jesus & mary college
TRANSCRIPT
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JESUS & MARY COLLEGE
(University of Delhi) Chanakyapuri, New Delhi-110021
Tel No. : +(91)-(011)-26110041, 26875400; Fax No. : +(91)-(011)-4105466; Email Id : [email protected];
Website:www.jmc.ac.in
Ref No.: JMC/Acc/RFP-Solar/2015-16 May 13, 2015
Roof-Top Solar Photo Voltaic Power Plant - 30 KWp
REQUEST FOR PROPOSAL (RFP)/NOTICE INVITING TENDERS
Name of the Work: Design, Supply, Installation, Testing and Commissioning of Roof-Top Solar PV Power Plant having capacity of 30 KWp in the Campus of Jesus & Mary College, New Delhi, including
Operation & Maintenance of the Plant for five years from the date of successful commissioning.
1. Introduction.
1.1 Jesus and Mary College was founded in July 1968 as a constituent college of the University of Delhi. The College opened with one department
offering English (Hons) and B.A. (Pass) Courses with enrolment of 116 students. The College offers an integrated and all-round education-intellectual, cultural, social, emotional, physical, aesthetic, moral and spiritual.
1.2 The motto of the College is “THOU ART LIGHT, FILL ME WITH THY
LIGHT.” The college, true to its motto, imparts education to the young students who come into its portals with a thirst for knowledge and wisdom. The college excels in academic as well as in extra-curricular activities.
1.3 Today, Jesus and Mary College caters to 2500 students – 9 Honours
programs and B.A. Restructured program with 13 subject combinations and Post-graduation programs in English and Hindi.
2. Details of Work
2.1 Design, Supply, Installation, Testing and Commissioning of a Roof-Top Solar PV Power Plant having capacity of 30 KWp in the Campus of Jesus & Mary College, New Delhi, including Operation & Maintenance of the Plant for
five years from the date of successful commissioning.
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3. Time limit for carrying out the Work and for Operation and Maintenance.
3.1 The time limit for carrying out the work: 3 months from the date of
signing the Works Contract.
3.2 Comprehensive Operation & Maintenance: 5 years from the date of successful commissioning of the Plant.
4. Estimated cost of the Project
4.1 The estimated cost of the Project is Rs. 30,00,000. (Rupees Thirty lakh only).
5. Details of Technical Specifications for the work.
5.1 Details of Technical Specifications for the Solar PV Power Plant are given in Annexure-I of the bid document.
6. Terms and Conditions:
6.1 Detailed terms and conditions for award of the contract are given in Annexure-II of the bid document.
7. Eligibility of firms for participation in the bid
7.1 The bidder must have successfully completed two similar works, each having the capacity of minimum 30 KWp during the last 3 years ending
31.03.15 7.2 In support of the eligibility, the tenderer has to furnish documentary
proof along with the technical bid. 8. Procedure for submitting Tenders:
8.1 Tenders will be received in TWO BIDS system- Technical Bid and
Financial Bid- in the prescribed formats. 8.2 The Technical Bid shall be accompanied with certified photocopies of
the prescribed documents/ Certificates/ Affidavit and Undertaking in original as well as Earnest Money Deposit in the prescribed manner as given in the bid
document. 8.3 Failure to submit the prescribed documents along with the technical bid
shall be sufficient ground for disqualification of the Technical bid.
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8.4 The Financial Bids of only those bidders, who fulfill the technical
qualification criteria and are declared qualified in the Technical Bid evaluation, will be opened.
9. Important Dates
Sl. No.
Particulars Date and time
1 Start date and time for sale of tender form:
13.05.2015 from 10.00 hours
2 End date and time for sale of tender form:
29.05.2015 at 15.00 hours
3 Start Date and time for receipt of
tenders:
14.05.2015 from 10.00
hours
4 End date and time for receipt of tenders
3.06.2015 at 15.00 hours
5 Date and time for Pre-Bid Meeting 21.05.2015 at 11.00 hours
5 Date and time for opening of Technical Bids
3.06.2015 at 15.30 hours
6 Date and time for opening of Financial Bids
The shortlisted firms will be informed.
10. Rates and charges
Sl.No.
Details Amount/Rate Mode of Payment
1. Cost of Tender Document Rs. 2,000/- CASH
2. Earnest Money Deposit with the Technical Bid
Rs. 60,000/- DD in favor of “Principal, Jesus and Mary College”
3. Performance Guarantee 5% of the tendered value
Will be retained from the full & final payment
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11. Grounds for Forfeiture of Earnest Money Deposit (EMD)
11.1 The following will be valid and sufficient grounds for forfeiture of the
Earnest Money Deposit in favour of Jesus & Mary College and no representation in this regard will be entertained:
(i) If any bidder withdraws his tender before the expiry of the validity period or before selection of the successful bidder, whichever is earlier, or makes any modification in the terms and conditions of the tender
which are not acceptable to Jesus & Mary College.
(ii) If the successful bidder fails to furnish the prescribed Performance Guarantee within the prescribed period.
(iii) If the successful bidder fails to commence the work specified in the
tender documents within 15 days from the date of signing the Work Contract or such other extended time as may be permitted by the Principal, Jesus & Mary College for bona fide reasons.
(iv) If it is found at any stage of the processing of the bids/finalization of the contract or during the period of implementation of the contract that
the concerned Agency/Firm has/had furnished false information/document(s) or withheld some vital information/document(s) or the services as per the contract have not
been provided to the utmost satisfaction of Jesus & Mary College.
(v) If it is found at any stage of the processing of the bids /finalization of
the contract that the bidder was blacklisted by any Government department or organization.
Principal,
Jesus & Mary College
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ANNEXURE – 1
TECHNICAL SPECIFICATIONS
NAME OF WORK Design, Supply, Installation, Testing and Commissioning of Roof-Top
Solar PV Power Plant having capacity of 30 KWp in the Campus of Jesus & Mary College, New Delhi, including Comprehensive Maintenance for five years from the date of commissioning of the Plant.
1. SOLAR PHOTOVOLTAIC MODULES:
1.1 The total Solar PV minimum array capacity should not be less than the 30 KWp as specified and should comprise of mono-crystalline/poly-
crystalline modules of minimum 250 Wp and above wattage. Module capacity less than minimum 250 Wp should not be supplied.
1.2 The PV modules should be of Indigenous make. The PV modules must conform to the latest edition of any of the following / equivalent BIS
standards:
a. IEC 61215 / IS14286 for PV module design qualification and type
approval. b. IEC 61730 Part 1 for construction and Part 2 for testing and
safety qualification.
c. IEC 61701/ IS 61701 for Salt Mist Corrosion. 1.3 SPV module Conversion efficiency should be equal to or greater than
14% at STC and AM 1.5 radiations.
1.4 The PV modules shall perform satisfactorily in humidity up to 100 % with temperature between -40ºC to +85ºC. Since the modules would be used in a high voltage circuit, the high voltage insulation test shall be
carried out on each module and a test certificate to that effect be provided.
1.5 The prescribed electrical degradation shall not be more than 10 (ten) percent of the full rated original output at the end of the period of 10
years and not be more than 20 (twenty) percent of the full rated original output at the end of 25 years.
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1.6 Manufacturers/suppliers should supply PV modules using a Radio
Frequency identification tag (RFID), which must contain the following information. The RFID can be placed inside or outside the module
laminate, but must be able to withstand harsh environmental conditions:-
(i) Name & Serial No. of the Manufacturer of PV Module.
(ii) Name & Serial No. of the Manufacturer of Solar Cells.
(iii) Month and year of the manufacture (separately for solar cells & module).
(iv) Country of origin (separately for solar cells & module).
(v) I – V curve for the module. (vi) Peak Wattage, Im, Vm and FF for the module.
(vii) Unique Serial No. and Model No. of the module.
(viii) Date and year of obtaining IEC PV module qualification certificate.
(ix) Name of the test lab issuing IEC certificate. 1.7 Other relevant information on traceability of solar cells and module as
per ISO 9000 series. RFID shall be mandatorily placed inside the module laminate.
1.8 Other general requirement for the PV modules and subsystems shall be the following:
(i) The rated output power of any supplied module shall not have
negative tolerance.
(ii) The peak-power point voltage and the peak-power point current of
any supplied module and/or any module string (series connected modules) shall not vary more than 3 (three) percent from the respective arithmetic means for all modules and/or for all module
string, as the case may be (iii) Except where specified, the front module surface shall consist of
impact resistant, low-iron and high-transparent toughened glass.
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(iv) The module frame, if any, shall be made of aluminum or corrosion-resistant material which shall be electrolytically compatible with
the structural material used for mounting the modules.
(v) The module shall be provided with a junction box with either provision of external screw terminal connection or sealed type and with arrangement for provision of by-pass diode. The box shall
have hinged, weather proof lid with captive screws and cable gland entry points or may be of sealed type IP65 rated.
(vi) Necessary I-V curves at 250 ⁰ C, 450⁰ C, and 600⁰ C are required to
be furnished.
(vii) Fill factor of module shall not be less than 0.70.
2. ARRAY STRUCTURE:
2.1 The array structure shall be so designed that it will occupy minimum
space without scarifying the output from SPV panels. 2.2 Wherever required, suitable number of PV panel structure shall be
provided. Structures shall be of flat-plate design either or L sections. 2.3 Structural material shall be corrosion resistant and electrolytically
compatible with the material used in the module frame, its fasteners, nuts and bolts. Galvanizing should be hot dipped galvanizing or
equivalent which provides at least spraying thickness of 70 micron on steel as per IS 5905, if steel frame is used. Aluminum frame structures with adequate strength and in accordance with relevant
BIS/international standards can also be used.
2.4 Structures shall be supplied complete with all members to be compatible for allowing easy installation at the roof top site.
2.5 The structures shall be designed to allow easy replacement of any
module & can be either designed to transfer point load on the roof top. 2.6 Each structure shall have a provision to adjust its angle of inclination
to the horizontal as per the site conditions.
2.7 The array structure shall be grounded properly using maintenance free earthing kit.
2.8 Each panel frame structure should be so fabricated as to be fixed on the rooftop column/wall structures. The structure should be capable
of withstanding a wind load of 200 km/hr. after grouting &installation.
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The front end of the solar array must be one meter above the rooftop. Grouting material for SPV structures shall be as per M15 (1:2:4)
concrete specifications.
2.9 The structures shall be designed for simple mechanical and electrical installation. There shall be no requirement of welding or complex machinery at the installation site. If prior civil work or support
platform is absolutely essential to install the structures, the supplier shall clearly and unambiguously communicate such requirements along with their specification in the bid. Detailed engineering drawings
and instructions for such prior civil work shall be carried out prior to the supply of Goods.
2.10 The supplier shall specify installation details of the PV modules and
the support structures with appropriate diagrams and drawings. Such
details shall include, but not limited to, the following:
(i) Determination of true south at the site; (ii) Array tilt angle to the horizontal, with permitted tolerance; (iii) Details with drawings for fixing the modules;
(iv) Details with drawings of fixing the junction/terminal boxes; (v) Interconnections details inside the junction/terminal boxes; (vi) Structural installation details and drawings;
(vii) Electrical grounding (earthing); (viii) Inter-panel/Inter-row distance with allowed tolerances; and
(ix) Safety precautions to be taken.
2.11 The array structure shall support SPV modules at a given orientation
and absorb and transfer the mechanical loads to the rooftop columns properly. All nuts and bolts shall be of very good quality stainless steel. Detailed design and drawing shall have to be submitted to Jesus and
Mary College for acceptance and approval before execution of work.
NOTE: The structural design of the complete system should be compatible with the structural strength and load bearing capacity of the roof. Design calculations and certificate to this effect shall be provided by a qualified
chartered structural engineer.
3. POWER CONDITIONING UNIT (PCU)
The PCU required of appropriate capacities as follows, should convert DC power produced by SPV modules, in to AC power and adjust the voltage & frequency levels to suit the local grid conditions.
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3.1 Common Technical Specification:
(i) Control Type: Voltage source, microprocessor assisted, output regulation.
(ii) Output Voltage: 3 phase, 415 Vac. (iii)Frequency: 50 Hz. (iv) DC link voltage range: up to 850 V.
(v) Nominal Power AC: As per rating of string inverter. (vi) Total Harmonic Distortion: less than 3%. (vii) Operating Temp. Range: 0 to 55 degree Celsius.
(viii) Housing Cabinet: INVERTER to be housed in suitable switch cabinet, Within IP 65 Degree of ingress protection for outdoor and IP 20
for Indoor. (ix) Inverter efficiency: 95% and above at full load. (x) Power Control : MPPT
a. Other important Features/Protections required in the INVERTER-Automatic morning wake-up and nightly
shutdown. b. Mains (Grid) over-under voltage and frequency protection. c. Fool proof protection against ISLANDING.
d. Designed to withstand starting in – rush current when pump is started and provide trip free operation.
e. Included authentic tracking of the solar array’s maximum
power operation voltage (MPPT). f. Array ground fault detection.
g. LCD and piezoelectric keypad operator interface Menu driven.
h. Automatic fault conditions reset for all parameter like
voltage, frequency and/or black out. i. MOV type surge arrester on AC and DC terminals for over
voltage protection from lightening-induced surges.
j. INVERTER should be rated to operate at 0-55 degree Celsius.
k. All parameters should be accessible through an industry standard communication link.
l. Overload capacity (for 10 sec) should be 150% of
continuous rating. m. The INVERTER shall be self-commuted and shall utilize a
circuit topology and components suitable for meeting the specifications listed above at high conversion efficiency and with high reliability.
n. The PCU shall give the preference to feed the loads from Solar Energy being produced and shall draw the additional power from mains to meet the load
requirements in case the load is more than the solar being produced.
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o. PCU shall be capable to synchronize independently & automatically/to be phase locked with Power Supply
Authority grid power line frequency to attain synchronization & export power generated by the solar
panel to Power Supply Authority grid. p. Since the INVERTER is to be used in solar photo voltaic
system, it should have high operational efficiency. The DC
to AC conversion efficiency shall at least be 95%at full load. The idling current at no load must not exceed 2 percent of the full load current.
q. Transformer less inverters shall be preferred. Restriction of DC components on AC side shall be achieved.
r. The INVERTER output shall be 415 VAC, 50 Hz 3 phase. s. The INVERTER shall be capable of operating in parallel
with the grid utility service and shall be capable of
interrupting line-to-line fault currents and line-to-ground fault currents.
t. The INVERTER shall be able to withstand an unbalance output load to the extent of 30%.
u. The INVERTER shall include appropriate self-protective
and self-diagnostic features to protect itself and the PV array damage in the event of INVERTER component failure or from parameters beyond the INVERTER’s safe
operating range due to internal or external causes. The self-protective features shall not allow signals from the
INVERTER front panel to cause the INVERTER to be operated in a manner which may be unsafe ordamaging. Faults due to malfunctioning within the INVERTER,
including commutation failure, shall be cleared by the inverter protective devices and not by the existing site utility grid service circuit breaker.
v. The INVERTER shall go to shut down/standby mode, with its contacts open, under the following conditions before
attempting an automatic restart after an appropriate time delay-
Insufficient Solar Power Input. When the solar available from the PV array is insufficient to supply
the losses of the INVERTER, the INVERTER shall go to a standby/shutdown mode. The INVERTER control shall prevent
excessive cycling during rightly shut down or extended periods of insufficient solar radiation.
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Utility-Grid Over or Under Voltage
The INVERTER shall restart after an over or under voltage shutdown where the utility grid voltage has returned to within
limits for a minimum of two minutes.
Utility-Grid Over or Under Frequency The INVERTER shall restart after an over or under frequency
shutdown when the utility grid voltage has returned to within limits for minimum of two minutes.
a. The INVERTER generated harmonics measured at the point of connection to the utility services when operating at the rated power shall not exceed a total harmonics current distortion of
3 percent.
b. The INVERTER power factor at the point of utility services connection shall be better than 0.95 lagging when operating at above 25 percent of the rated output.
c. The internal copper wiring of the INVERTER shall have flame
resistant insulation. Use of PVC is not acceptable. All conductors shall be made of standard copper.
d. The INVERTER shall withstand a high voltage test of 2000V rms, between either the input or the output terminals and cabinet (chassis).
e. Full protection against accidental open circuit and reverse
polarity at the input shall be provided. f. The INVERTER shall not produce Electromagnetic Interference
(EMI) which may cause malfunctioning of electronic instruments including communication equipment, which are
located within the facility in which the INVERTER is housed. g. The INVERTER shall have an appropriate display on the front
panel to display the instantaneous AC power output and the DC voltage, current and power input. Each of these measurements\ displays shall have an accuracy of 1 Percent
of full scale or better. The display shall be visible from outside the INVERTER enclosures. Operational status of the
INVERTER, alarms, trouble indicators and a.c and the d.c disconnect switch positions shall also be communicated by appropriate messages or indicator lights on the front cover of
the INVERTER enclosure.
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h. Communication Modbus protocol with LAN/WAN options
along with remote access facility.
3.2 ELECTRICAL SAFETY, EARTHING AND PROTECTIONS
(i) Internal Faults: Inbuilt protection for internal faults including excess temperature, communication failure, and overload and cooling fan failure (if fitted) is obligatory.
(ii) Galvanic Isolation: Galvanic Isolation is required to avoid any DC
component being injected into the grid and the potential for AC components appearing at the array.
(iii) Over Voltage Protection: Over Voltage Protection against atmospheric lightening discharge to the PV array is required. Protection is to be
provided against voltage fluctuations in the grid itself and internal faults in the power conditioner, operational errors and switching transients.
(iv) Earth fault supervision: An integrated earth fault device shall have to
be provided to detect eventual earth fault on DC side and shall send
message to the supervisory system.
(v) Cabling practice: Cable connections must be made PVC Cu. cable, as per BIS standards. All cable connections must be made using suitable terminations for effective contact. The PVC Cu cables must be run in
GL trays with covers for protection. (vi) Fast acting semiconductor type current limiting fuses at the main bus-
bar to protect from the grid short circuit contribution.
(vii) The INVERTER shall include an easy accessible emergency OFF button located at an appropriate position on the unit.
(viii) The INVERTER shall include ground lugs for equipment and PV array grounding. The DC circuit ground shall be a solid single point ground
connection in accordance with WEC 69042. (ix) All exposed surfaces of ferrous parts shall be thoroughly cleaned,
primed and painted or otherwise suitably protected to survive a nominal 30 years design life of the unit.
(x) The INVERTER enclosure shall be weatherproof and capable of surviving climatic changes and should keep the INVERTER intact
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under all conditions in the room where it will be housed. The INVERTER shall be located indoor and should be wall/pad mounted,
Moisture condensation and entry of rodents and insects shall be prevented in the INVERTER enclosure.
(xi) Components and circuit boards mounted inside the enclosures shall
be clearly identified with appropriate permanent designations, which
shall also serve to identify the items on the supplied drawings. (xii) All doors, covers, panels and cable exists shall be gasketed or
otherwise designed to limit the entry of dust and moisture. All doors shall be equipped with locks. All openings shall be provided with grills
or screens with openings no larger than 0.95 cm. (about 3x8 inch). (xiii) In the design and fabrication of the INVERTER the site temperature,
incident sunlight and the effect of ambient temperature on component life shall be considered carefully. Similar considerations shall be given
to the heat sinking and thermal for blocking diodes and similar components.
3.3 FACTORY TESTING
(i) The INVERTER shall be tested to demonstrate operation of its control system and the ability to be automatically synchronized and connected
in parallel with a utility service, prior to its shipment. (ii) Operation of all controls, protective and instrumentation circuits shall
be demonstrated by direct test if feasible or by simulation operation conditions for all parameters that cannot be directly tested.
(iii) Special attention shall be given to demonstrate utility service interface protection circuits and functions, including calibration and functional
trip tests of faults and isolation protection equipment. (iv) Operation of startup, disconnect and shutdown controls shall also be
tested and demonstrated. Stable operation of the INVERTER and response to control signals shall also be tested and demonstrated.
(v) Factory testing shall not only be limited to measurement of phase
currents, efficiencies, harmonics content and power factor, but shall
also include all other necessary tests/simulations required and requested by the Purchasers Engineers. Tests may be performed at 25, 50, 75 and 100 percent of the rated nominal power.
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(vi) A factory Test Reports (FTR) shall be supplied with the unit after all tests. The FTR shall include detailed description of all parameters
tested qualified and warranted.
(vii) Factory testing of the INVERTER should be carried out and witnessed by the Purchaser’s Engineers at the manufacturer’s premises.
3.4 OPERATING MODES:
The following operating modes are to be made available:
(i) Night or Sleep modes: Where the inverter is almost completely turned off, with just the timer and control system still in operation, losses should not exceed 1 watt per 5 kilowatt
(ii) Standby mode: Where the control system continuously monitors the
output of the solar generator until pre-set value is exceeded (typically 10 watts).
(iii) Operational or MPP tracking mode: The control system continuously adjust the voltage of the generator to optimize the power available. The power conditioner must automatically re-enter stand-by mode when
input power reduces below the standby mode threshold. Front Panel display should prove the status of the INVERTER, including AC
Voltage, Current, Power output & DC Current, Voltage and Power input, pf and fault Indication (if any)
3.5 CODES AND STANDARDS:-
The quality of equipment supplied shall be controlled to meet the guidelines
for engineering design included in the standards and codes listed in the relevant ISI and other standards, such as:
(i) IEEE 928 Recommended Criteria for Terrestrial PV Power systems.
(ii) IEEE 929 Recommended Practices for Utility Interface of Residential and Intermediate PV Systems.
(iii) IEEE 519 guide for Harmonic Control and Reactive Compensation of
Static Power Controllers.
(iv) National Electrical NEPA 70-(USA) or equivalent national standard.
(v) National Electrical safety Code ANSI C2-(USA) or equivalent national standard.
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(vi) JRC Specification 503 (Version 2.2 March 1991) or JPL Block V
standard for PV modules.
(vii) The inverter manufacturer should attach efficiency certificate from Independent Third party Testing laboratory i.e. IEC, TUV, SNL/ERTL or STQC. PCU should conform to IEC 61683 for efficiency
measurements and IEC 600682 for environmental testing. MPPT unit should confirm to design qualification IEC 62093.
4. ARRAY JUNCTION BOX, MAIN JUNCTION BOXES WITH STRING
MONITORING FEATURE TO THE INVERTER: 4.1 The junction boxes are to be provided in the PV yard for termination of
connecting cables. The Junction Boxes shall be made of FRP/Powder Coated Aluminum with full dust, water & vermin proof arrangement. All wires/cables
must be terminated through cable lugs. The Junction boxes shall be such that-
(i) Input & output termination can be made through suitable cable
glands. (ii) Made of FRP or cast aluminum.
(iii) Copper bus bars/terminal blocks housed in the junction box with
suitable termination threads. (iv) Conforming to IP65 (for outdoor)/ IP 21 (for indoor) standards and IEC
62208. (v) Hinged door with EPDM rubber gasket to prevent water entry.
(vi) Single compression cable glands.
5. DATA LOGGER & PLANT MONITORING UNIT
5.1 PV array energy production: Digital Meters to log the actual value of
AC/DC Voltage, Current &Energy generated by the PV systems shall have to be provided two way LT 415V energy meters (import – export) class 0.5 compliant shall be incorporated in the system.
5.2 Solar Irradiance: An integrating Pyranometer (Class-II or better) should be provided, with the sensor mounted in the plane of the array. Readout
should be integrated with data logging system.
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5.3 Temperature Sensor: Integrated temperature Sensor for measuring the module surface temperature, inverter inside enclosure temperature and
ambient temperature to be provided complete with readout integrated with the data logging system.
5.4 Data logging systems(Hardware and software): one for Solar PV Plant, for plant control and monitoring shall be provided with the following features: One suitable Computer: Desktop Computer 3 GHz Pentium i7 latest (3MB Cache)
with 500 GB HDD, 4 GB RD RAM, 2 Parallel & 2 Serial Port, Wi-Fi LAN Card, DVD RW Drive, 20” LED Display, USB Scroll Mouse, along with All in one 1200 dpi/12 ppm Desktop LaserJet printer along with a 1 KVA on-line ups with 1
hour battery backup.
Basically, this unit should perform the following:
(i) Measurement and/or recording of energy parameters.
(ii) Data logger to record the energy data on a predetermined interval
basis.
(iii) Measurement & continuous acquisition of ambient air temperature,
wind speed, solar radiation, PV module temperature, individual string current, inverter output voltage and current, and output frequency.
(iv) Operating state monitoring and failure indication.
(v) Representation of monitoring data in graphics mode or in tabulation mode.
(vi) Controlling & monitoring the entire power system through remote terminal at the Jesus and Mary College.
(vii) Necessary hardware & software shall have to be supplied by the contractor. Both the software and hardware required for interfacing the
plant including CPUs, modems are to be supplied and installed by the contractor.
5.5 Remote control/instrumentation: The microprocessor control unit should have the provision for installation of Rs-232/485 communication link, should
have remote control and monitoring capability (by personal computer). All parameters, status and indicators and targets accessible through the local operator interface may be accessed remotely through these ports. Optional
analog outputs (0-5 DC) for AC powers, DC current, DC Voltage can be supplied to interface with external data acquisition systems. Optional contacts input for an external SCAD/RTU or other remote control device can be
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provided within the inverter enclosure for remotely disabling or resetting the unit.
6. DC DISTRIBUTION BOARD:
Each Solar PV Plant shall have its separate DC Distribution panel to receive the DC output from the array field with analog measurement meter for voltage, current and power from different MJBs so as to check any failure in
the array field. DCDBs shall be dust & vermin proof. The bus bars are to be made of copper of desiredsize. Suitable capacity MCBs to be provided for controlling the DC power output to the INVERTER along with necessary surge
arrestors.
7. AC DISTRIBUTION PANEL BOARD 7.1 The plant shall be supplied with its dedicated appropriate rating AC Distribution panel which shall be located at an appropriate location in the
building itself. ACDBs are to be provided at the cable terminating points emanating from the inverters. The AC power from inverter of each individual
Solar PV Plant shall be fed into its dedicated AC Distribution panel. Thereafter, the outputs shall be terminated into the main LT supply. AC Distribution Panel Board (DPB) shall control the AC power from inverter
and should have necessary surge arresters. Interconnection from ACDB to LT bus bar is to be carried out and complete equipment along with metering to be installed in the ACDB.
7.2 Requirement/specifications of DCDB and ACDB may be changed as per
site conditions. All switches at the circuit breakers, connectors should confirm to IEC 60947, part I II & III.
8. CABLES & WIRES 8.1 Cabling in the yard and control room: Cabling in the yard shall be
carried out as per IE rules. All other cabling above ground should be suitably mounted on cable trays with proper covers. Only LSZH XLPE cables must be
used. 8.2 Wires: Only FRLS copper wires of appropriate size and of reputed make
shall have to be used.
8.3 Cables ends: All connections are to be made through suitable cable/lug/terminals; crimped properly & with use of cable glands.
8.4 Cable marking: All cable/wires are to be marked in proper manner by good quality ferule or by other means so that the cable can be easily identified. Any change in cabling schedule/sizes if desired by the bidder/supplier be got
approved after citing appropriate reasons. All cable schedules/layout drawings
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have to be got approved from the purchaser prior to installation. All cable tests and measurement methods should confirm to IEC 60189.
8.5 Multi Strand, Annealed high conductivity copper conductor
8.6 PVC type ‘A’ pressure extruded insulation
8.7 Overall PVC insulation for UV protection and confirm to IEC 69947. 8.8 Armored cable for underground laying
8.9 All cables shall confirm to BIS standards (IS 694) and (IS 1554)
8.10 The size of each type of cable selected shall be based on minimum voltage drop, however the maximum drop shall be limited to 2 %
8.11 Selected cable should carry a current density of minimum 1.2
Amp/Sq.mm 8.12 All electrical/wires inside the building to be fixed in Rigid Steel Conduit
for wiring inside the building. 8.13 Proper/trenches as per site requirement.
8.14 Voltage rating 660/1000V.
8.15 Excellent resistance to heat, cold, water, oil, abrasion, UV radiation.
8.16 For laying/termination of cables, latest BIS/IEC codes/ standards to be followed.
8.17 Cabling on DC side of the system shall be as short as possible to minimize the voltage drop in the wiring. Components and hardware shall be
vandal and theft resistant. All parts shall be corrosion-resistant. The system description, general/technical requirements etc. are given for general guidance only. The supplier/manufacturer shall submit the detail design of the complete
solar generating system by using their software to optimize the combination of modules considering the specific location, insolation, nature of load etc.
9. ENERGY METER
9.1 An Energy Meter of appropriate rating as per the size of plant shall be provided as approved by area in-charge to measure the delivered quantum of energy.
9.2 Meter must be provided with the necessary data cables.
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9.3 Energy Meter should be import/export type, 0.5 Class of accuracy.
9.4 A similar ABT meter to be provided as a hot standby.
10. Civil Work Specification
10.1 Concreting
a. Concrete mix shall be of M-20/M-25 grade for pedestal and earth pit
chambers.
b. Pedestal base shall be provided with tapered gola using water proofing
compound of IS-2649. c. Curing of all concrete work shall be carried out continuously for
minimum of 7days.
10.2 Array layout: Contractor shall design the array layout by incorporating
following dimensions:
a. 750 mm space around the periphery wall of rooftop. b. Minimum 900 mm spaces near the rain water exhaust pipe, water
tank and rooftop entrance.
10.3 Structural design: Latest IS code shall be followed for structural design. Contractor shall submit the STADD calculations along with the structural design.
11. FIRE EXTINGUISHERS:
The firefighting system for the proposed power plants for the fire protection shall be consisting of:
(i) Portable fire extinguishers in the control room for fire caused by electrical
short circuits.
(ii) Sand buckets in the control room.
The installation of fire Extinguishers should confirm to TAC regulations and BIS standards. The fire extinguishers shall be provided in the control room
housing the batteries and PCUs.
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12. LIGHTENING PROTECTION
There shall be required number of suitable lightening arrestors installed in the array field. Lightening protection shall be provided by the use of metal
oxide arrestors and suitable earthing such that induced transients find an alternate route to earth. Protection shall meet the safety rules as per Indian Electricity Act, 2003.
13. EARTHING PROTECTION
Each array structure of the PV yard should be grounded properly. In addition the lightening arrester/masts should also be provided inside the array
field. Provision should be kept for shorting and grounding of the PV array at the time of maintenance work. All metal casing/shielding of plant should be thoroughly grounded in accordance with Indian Electricity Act, 2003/IE Rules.
Earth resistance (Less than 0.5 Ohm) should be tested in presence of the representative of Jesus & Mary College after earthing by calibrated earth tester.
INVERTER, ACDB and DCDB should also be earthed properly. 14. DANGER BOARDS
Danger board should be provided as and where necessary as per IE act/IE
rules as amended up to date.]
15. DRAWING & MANUALS
15.1 5 copies of Engineering, electrical drawings and installation and O&M manuals are to be supplied with Plant.
15.2 Bidders shall provide complete technical data sheets for each equipment giving details of the specifications along with make/makes in their bid along
with basic design of the power plant and power evacuation, along with protection equipment. The equipment used should be ISI approved and should
be of reputed makes. 15.3 For complete electro-mechanical works, bidders shall supply complete
design details and drawings for approval to Jesus and Mary College before progressing with the installation work.
16. TOOLS & TACKLES AND SPARES:
After completion of installation & commissioning of the power plant, necessary tools & tackles and spares are to be provided free of cost by the contractor for maintenance purpose. A list of requisite spares in case of Inverter comprising
of a set of logic cards, IGBT driver cards, Junction Boxes, Fuses, MCCBs etc. along with spare set of PV modules shall be supplied with the equipment. A
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minimum set of spares shall be maintained in the plant itself for the entire period of warranty and Operation & Maintenance which upon use shall be
replenished. A list of tools & tackles and minimum spares to be supplied by the contractor is as follows-
LIST OF MAINTENANCE SPARE PARTS
Sl. No. Item Description Quantity
1. SPV Module 0.5 % of total number of modules.
2. Power Conditioning Systems Necessary spares for 5 year period of comprehensive operation &
maintenance. List must be approved from purchaser/implementing agency, prior to use.
3. Miscellaneous items (cable,
fuses/HRC fuses, screws,
Required for 5 years of comprehensive
operation & maintenance (including soldering material, wall grips, lugs
etc.).
LIST OF TOOLS AND TACKLES
Sl. No. Item Description Quantity
1. Digital Multimeter and Clamp Meter
(Fluke/Motvane)
1 No. each
2. Screw Driver Set
(Taparia/Eastman)
1 Set
3. Spanner Set
(Taparia/Eastman)
1 Set
4. Soldering Iron (Philips) 1 No.
Note: Bidder must get the list of spares being supplied approved from Jesus
and Mary College before supply.
17. SCOPE OF OPERATION & MAINTENANCE OF SPV POWER PLANT FOR A PERIOD OF 5 YEARS FROM DATE OF COMMISSIONING.
17.1 Regular operation & maintenance of the SPV Power Plant for a period of five years after commissioning along with supply of consumable items as and
when necessary and submission of daily performance data of the power plants shall come under the operation & maintenance contract. Complete operation & maintenance of the plants has to be carried out by the successful bidding
company and cannot be sublet to any third party.
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17.2 The Operation& Maintenance schedule of the SPV power plants during the 5 years contract period shall be as detailed below:
(i) 5 years operation & maintenance period shall begin on the date of actual
commissioning of the power plants. The requisite numbers of qualified and trained personnel are required to be deputed round the clock from that very day.
(ii) The security of the power plants will rest with the bidder till such time
the power plant is not handed over to the purchaser.
(iii) The deputed personnel shall be qualified and well trained so that they
can handle any type of operation hazard quickly and timely. (iv) The deputed personnel shall have to keep daily log sheet for the power
plant as per format to be supplied after commissioning of the power plant.
(v) The deputed personnel shall be in a position to check and test all the
equipment regularly, so that, preventive actions, if any, could be taken
well in advance to save any equipment from damage. Any abnormal behavior of any equipment shall be brought to notice immediately for appropriate action.
(vi) The deputed personnel shall keep the power plant clean at all times.
(vii) Normal and preventive maintenance of the power plant such as cleaning
of module surface, tightening of all electrical connections, changing of tilt
angle of module mounting structure, cleaning & greasing of terminals etc. shall be under the scope of the bidder.
(viii) During operation & maintenance period of 5 years of the power plants, if there is any loss or damage of any component of the power plants due to
miss management/miss handling or due to any other reasons, what-so-ever, the bidder shall be responsible for immediate replacement/rectification. The damaged component may be repaired, if it
is understood after examination that after repairing performance of the component shall notbe degraded, otherwise the defective component
shall have to be replaced by new one without any extra cost. (ix) List of spares and measuring instruments which are to be supplied along
with the systems are given in point 16. These spares are the property of the purchaser and the contractor will use these spares sparingly with express permission of the purchaser in case of emergency breakdowns,
however, the contractor will have to refill the used spares within one month of drawn down.
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(x) All the spares inventory of the purchaser has to be fully refilled with new
and unused spares at the time of handing over of the plant after completion of the 5 years of operation & maintenance of the plants by the
contractor. In case of non-compliance, the purchaser will refill these spares with new ones at the cost of the contractor.
18. OPERATION & MAINTENANCE INSTRUCTIONS:
18.1 The successful bidder shall furnish 5 sets of the approved manuals of instructions for each plant at the time of inspection and taking over of the
equipment. These manuals shall be properly bound in book form and contain all information, description of equipment, diagram etc. necessary to enable the customer to operate and maintain the whole scheme.
18.2 Proper Operation & Maintenance of the plants shall be carried out by the
contractor during Operation & Maintenance period of 5 years with 6 monthly/annual review checkup of plant and equipment in detail with purchaser.
18.3 Properly qualified and trained personnel, well versed in Operation & Maintenance of SPV plants and having knowledge of computers, with approval
from purchaser, shall be deployed at site for operation and maintenance.
18.4 Proper re-painting, re-coating of exposed surfaces to prevent rusting & replacement of worn out parts shall be carried out along with the maintenance of the INVERTER.
18.5 Plant personnel shall be deputed so that a qualified person with a minimum qualification of Diploma in Electrical Engineering should be available at site always during the operation & maintenance period.
18.6 Supplier shall depute an engineer of their company for the operation and maintenance of the plant. The engineer shall be fully responsible for the
complete Operation & Maintenance and optimum operation of the plant. The name and contact no. of this engineer shall be notified to the purchaser, for the purpose of contact, responsibility and correspondence with regard to all trouble
shooting.
18.7 The plant performance ratio (PR) should be better than 95%.
18.8 The routine maintenance work to be carried out when plant is not in operation.
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18.9 All breakdown maintenance/major break down should be attended in real time and to be completed within 7 hour (including arranging spares). Any
additional time (more than 7 Hour) taken for making the plant generation worthy, will invite the adequate compensation commensurate to the loss of
generation due to non-availability of power.
18.10 Replacement & repair of damaged parts shall be carried out immediately during the O&M period so as to ensure at least 95% uptime.
18.11 Plant operation reports in a format prescribed by the purchaser shall be furnished by the supplier on a weekly and monthly basis.
18.12 Plant shall be operated as per the standard practices to ensure proper
safety measures.
18.13 Proper data logs and records shall be maintained at the plant office with
regard to generation, efficiency, and solar radiation which shall be supplied on demand to the purchaser.
18.14 The supplier shall ensure replacement of worn out parts and components
during the operation and maintenance period for which purpose the supplier shall carry and maintain minimum inventory levels of spares at the plant and its works.
18.15 In case of delay in repair & maintenance and non-observance of purchasers’ operation and maintenance schedule, the purchaser shall have the
right to impose any penalties including forfeiture of performance security.
18.16 Round the clock maintenance (routine, preventive, breakdown and capital maintenance) of complete plant and equipment including SPV Array,
INVERTER, SCADA system with dedicated telephone lines shall be carried out by the supplier in accordance with manufacturer’s instructions, manufacturer’s procedures, relevant safety codes, Indian Electricity Act, 2003,
Indian Electricity Rules, 1956, purchasers instructions, prudent utility practices, etc.
19. ROUTINE AND PREVENTIVE MAINTENANCE
This shall include such checks and maintenance activities as and when required to be carried out on all the components of the power plant to minimize
breakdowns and to ensure smooth and trouble free running of the power plant. The supplier shall be responsible to carry out routine and preventive maintenance and replacement of each and every component/equipment of the
power plant and shall provide all labour, material, consumables etc. for routine and preventive maintenance at their own cost.
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20. BREAKDOWN MAINTENANCE
This shall mean the maintenance activity including repairs and replacement of any component or equipment of the power plant which is not covered by routine and preventive maintenance and which is required to be
carried out as a result of sudden failure/breakdown of that particular component or equipment while the plant is running. The supplier shall be responsible to carry out breakdown maintenance of each and every component
of the power plant and he shall provide the required manpower, materials, consumables, components or equipment etc. for breakdown maintenance at his
own cost irrespective of the reasons of the breakdown/failure.
21 CAPITAL MAINTENANCE
21.1 This shall mean the major overhaul of any component or equipment of the power plant which is not covered by routine, preventive and breakdown maintenance which may become necessary on account of excessive wear &
tear, aging, which needs repair/replacement. The capital maintenance of power plant and all civil structures shall normally be planned to be carried out on an annual basis. For this purpose a joint inspection by the supplier and purchaser
shall be carried out on all the major components of the power plant, about two months in advance of the annual maintenance period, in order to ascertain as
to which components of the power plant require capital maintenance. In this regard the decision of the purchaser will be final and binding.
21.2 However, if the condition of any plant and component warrants its capital maintenance at any other time, a joint inspection of the purchaser and supplier shall be carried out immediately on occurrence of such situation and
capital maintenance shall be carried out by arranging the shutdown of the plant/part of the plant, if required, in consultation with concerned authorities.
The decision of the purchaser shall be final and binding.
22. QUANTUM OF WORK AND APPROVED MAKE OF ITEMS
22.1 The general scope under this contract includes Design, Engineering, Supply, Procurement, Transportation, Storage, Insurance, Construction/ Erection, Testing &Commissioning and Comprehensive operation and
maintenance for 5 years of Solar PV Power Plants with aggregate capacity of 30 KWp at Jesus & Mary College.
22.2 The illustrative Schedule of requirement is in accordance with the specifications contained in this document-
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Sl.No. Brief Description Units Make
1.
Polycrystalline SPV
modules as per specifications
Location Indigenous make only
2. SPV module roof top mounting structureon
Rooftopsuitable for accommodating Solar PVPlants with
aggregate capacity of 30 KWp SPV modules including foundations
as per specifications.
DAs per Bid Document
specifications.
3. PCU/Inverter
As per specifications appropriate capacity of
SMA/KACO/Schneider/
4. Array Junction Boxes 1 set Tyco/Hensel
5. Main Junction Boxes 1 set Tyco/Hensel
6. Data logging &monitoring system as
per specifications
1 set Compliant to bid document specifications.
7. DC Distribution Units
as per specifications
1 set ABB/Siemens/Schneider
8. AC Distribution Units as per specifications
1 set L&T/ABB/Schneider
9. Water pump (1 HP) BIS Approved surface/submersible
with shed along withfull C class piping for water supply
forpanels cleaning and washing along
withwater discharge piping up to ground level
1 set Crompton Greaves/Kirloskar
10. Cable requirement as per design.
Meters as required at site
for full plant commissioning.
Havells/Finolex/Grandley / Lobster
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11. Lightning arrester
complete set as per Specification
1 set
12. Earthing complete set
as per specification
1 set Compliant to bid
documents pecifications
13. Spares, tools and
tackles for 5 years operation and
maintenance.
As per list. Compliant to bid
document specifications
14.
Fuses, transfer
switches, Printed Circuit boards required
for power plant.
1 set Compliant to bid
document specifications
15. Operation and maintenance of the SPV Power plants for a
period of 5 years from date of commissioning of the power plant.
1 Job
16. Engineering, electrical drawings and
installation and operation and
maintenance manuals.
5 sets for PV Plant. Any other
equipment required to
complete the installation.
17. Civil, array structures and control room work:
complete design, construction array support structures on
the roof top, purchaser office cum control room
for dust free environment for INVERTER and other
control and data logging equipment. Fire safety equipment’s and
any other items required to complete
the work (separated through glass schedules).
As per design submitted by
supplier and approval by
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Modifications maybe
required and made as per site conditions.
Note: The items indicated in the schedules are only indicative and the supplier are required to include and quote for any other item left out in the schedule. Complete details and quantity of mandatory spare parts shall be furnished by
the supplier in their bid. Suppliers shall offer their complete design along with drawings for the plant in their bid. The details of the output for the plant for
the entire year based on the global radiation values should be furnished by the bidders. Interested bidders can visit the proposed site for plant installation.
*******
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Annexure-II
NAME OF WORK: Design, Supply, Installation, Testing and Commissioning
of Roof-Top Solar PV Power Plant having capacity of 30 KWp in the Campus of Jesus & Mary College, New Delhi,
including Comprehensive Maintenance for five years from the date of commissioning of the Plant.
I. GENERAL CONDITIONS AND SPECIFICATIONS FOR ELECTRICAL WORK.
1. The work shall be carried out strictly in accordance with CPWD & MNRE specifications for Electrical Works/Solar PV Plant as amended from time to time and in accordance with the Indian Electricity Rules,
1956 and Indian Electricity Act, 2003, as amended from time to time. It shall be the sole responsibility of the contractor to have
qualified persons in electrical trade to carry out the electrical work in order to comply with the concerned clause of Indian Electricity Rules 1956. The contractor should have a license to carry out electrical works,
a copy of this certificate is to be attached with the Technical Bid.
2. The work shall be carried out according to approved drawings and as per instructions of Jesus & Mary College, which will have the right to change the layout as per requirement at site in consultation with the
contractor and the contractor shall not be entitled to any additional claim due to change in layout.
3. Bad workmanship will not be accepted and all the defects shall be rectified by the contractor at his own cost. In the event that the defects
are not rectified by the contractor to the entire satisfaction of Jesus and Mary College, the same shall be carried out by Jesus and Mary College at the risk and cost of the contractor.
4. All the debris of the works should be removed immediately after the
accruing of debris and the site should be kept clean by the contractor.
Similarly any rejected material should be immediately removed from the site by the contractor.
5. The contractor or his representative is bound to sign the site order book as required by the Jesus and Mary College and to comply with the remarks therein.
6. The contractor shall make his own arrangement at his own cost for
electrical general tools and plants required for the work including arrangement of water and electricity.
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7. Tenderer shall quote the rates including Comprehensive Operation and
Maintenance of the plant for5 year period after successful execution of work.
8. The entire installation shall be at the risk and responsibility of the
contractor until these are tested and handed over to the Jesus & Mary
College in good working condition.
9. All items of interrelated works considered necessary to make the
installation complete and operational are deemed to be included by the contractor in the schedule of quantities at no extra cost.
10. The connection, inter connection, earthing and inter-earthing shall be
done by the contractor wherever required and nothing extra shall be
paid on this account.
11. Nothing extra shall be paid for Inter connections with thimbles/wires/tapes strips etc.
12. The contractor shall submit the completion plan separately in triplicate on blue print, with one set on tracing cloth, within 30 days of the completion of work. In case, the contractor fails to submit the
completion plan for electrical works within this stipulated time, he shall be liable to pay a sum equivalent to Rs.5,000/- per day of such delayed
submission.
13. Watch and ward of the materials shall be the responsibility of the
Contractor till the plant is handed over to the Jesus and Mary College in the manner described. Jesus and Mary College will not be responsible for their loss/damage in any manner.
14. The Contractor shall bear all the expenses for the testing of the
electrical material from the designated lab, as per requirement. 15. The Contractor shall abide by the specifications given in the Tender.
Where the specifications are not given, CPWD specifications as amended from time to time shall be followed. Items where CPWD
specifications are not covered the decision of Jesus and Mary College shall be final and binding.
16. PVC insulated copper conductor wire used on the work shall be F.R Grade for which nothing extra shall be paid.
17. Material to be used in the work shall be as per approved specifications and standards. The material to be used in the work shall be got
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approved from Jesus and Mary College. Jesus and Mary College shall reserve the right to instruct the contractor to remove the material
which, in its opinion, is not as per specifications.
18. The MCBs and the MCB Distribution Board shall be of the same make. 19. The earthing shall be carried out in the presence of the representative of
Jesus and Mary College.
20. The defect liabilities period shall be 5 years including Comprehensive
Operation and Maintenance after the date of actual completion. Performance Security Guarantee shall be released only after 60 days
from the date of expiry of the contract period. 21. Size of angle iron/flat iron/ GI pipe (Medium class)/RCC/PVC/HDPE
pipe wherever, mentioned are normal size.
22. Contractors are advised to unroll the cable drum properly at the time of laying cable so that the cables are not damaged.
23. TDS: Income Tax shall be deducted at source as per relevant provisions
of Income Tax Act.
24. The contractor shall be responsible for payment to/ deposit with the
concerned authorities the Central/State Sales Tax/VAT/Excise Duty,
etc. However, Jesus & Mary College shall bear the cost on Service Tax.
Quoted rate should be inclusive of all taxes and duties, except Service
Tax. The Service Tax shall be reimbursed on production of proof of
deposit of service tax with the designated authority.
25. Termination: This contract may be terminated forthwith by either party
by giving written notice of 10 days to the other, if:
i. The other party is in material breach of its obligations under
this Agreement and/or, in the case of such breaches capable
of being remedied, fails to remedy that breach forthwith and
within a reasonable time, after receiving notice of such
breach; or
ii. In case of breach of any of the terms and conditions of the
contract by the contractor, except under Force Marjore
existing for more than 90 days, no payment shall be made to
the contractor by Jesus & Mary College and additionally,
the security deposit in the form of Performance Security
Deposit shall be forfeited and encashed by Jesus & Mary
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College. The contractor shall be liable to remove all his
material and his workmen/personnel within five days of
termination of the contract and hand over peaceful
possession of the premises to Jesus & Mary College.
iii. In case of breach of any of the terms and conditions of the
contract by Jesus & Mary College, the contractor shall be
liable to receive the cost of the project on pro-rata basis on
actuals supported by vouchers/invoices.
II. SPECIAL TERMS AND CONDITIONS
The following clauses shall be read in conjunction with General Conditions of Contract as well as Technical Specifications to the extent applicable. In case of
any discrepancies between the stipulations in these documents, the General Conditions of Contract shall stand superseded to that extent.
1. SCOPE OF WORK
1.1 The scope of work includes Design, Supply, Installation, Erection, Testing and Commissioning of Grid Connected Solar Photovoltaic Power Plant of 30 KWp capacity at roof top of Jesus & Mary College and comprehensive
maintenance for five years after successful commissioning.
1.2 The solar power from the plant shall be fed to Jesus & Mary College by laying cable of appropriate size and by connecting the panel of building.
1.3 The equipment and materials for Solar Photovoltaic Power Plant of 30 KWp capacity shall include the following, but not limited to the supply,
installation, testing, commissioning and integration:
a) Solar PV modules of composite capacity as mentioned above including
mounting frames, structures, array foundation and module inter connection,
b) Array Junction boxes and DCDB of appropriate sizes.
c) Power Conditioning Units that are communicable on Modbus Protocol as per rating of plant, Data Logger.
d) Common AC power evacuation panel with bus bars and circuit breakers as per rating of plant. Metering and protection /Isolation systems. Meter of appropriate rating as per capacity of plant to be communicable on
MODBUS Protocol.
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e) LV Power and Control Cables including end terminations and other required accessories for both AC & DC power as per required rating.
f) Earthing system for PV Array, DC power system, lightning protection
system, AC power system for LT, equipment etc. for PCU, Data acquisition system with remote monitoring facilities, AMC of plant for 5 years.
g)01 No. Water pump (1 HP) for PV Plant BIS Approved
surface/submersible with shed along with full C class piping for water
supply for panels cleaning and washing along with water discharge piping up to ground level.
h) Transportation of equipment from works to site. Unloading, loading in of
all supplied equipment’s on foundations at their respective places
j) Pre-Commissioning & commissioning of all supplied equipment’s.
k) Test running of Solar Plant as well as load trials at site.
l) Contractor shall be responsible for obtaining all statutory clearances including but not limited from Electrical Inspector regarding operation of the Plant. Purchaser shall however facilitate to ensure that the same is
obtained successfully.
m) The system should be capable of providing all the data on Desktop Computer. All the equipment’s/hardware /software for complying with the same will be in the bidder’s scope.
n) The contractor has to submit the cable route plan/diagram for getting
the approval of ROW from the client department.
2. DESIGN OF SYSTEM:
The bidder has to ensure proper system designing that would include his own independent studies on peak sunshine data, resulting in the correct sizing of equipment for the solar system. It is therefore very important to form proper
design procedures and component sizing before any actual implementation. The design procedures and component sizing shall be as per internationally
acceptable standards. 3. TERMS OF PAYMENT
3.1 The payment for Design, Supply, Installation, Testing and Commissioning of Solar PV Power Plant part of the work contract shall be made
as per the following schedule:
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(i) First installment: 20% of contract amount on signing of the
Agreement and submission of Performance Guarantee Deposit.
(ii) Second installment: 60% of contract amount on installation of the
Plant.
(iii) Third and final installment: balance 20% of contract amount on
successful commissioning of the plant, after the prescribed testing.
3.2 Payment for the Comprehensive Operation and Maintenance part shall
be released on a six monthly basis on certification by the concerned authorized officer of Jesus & Mary College to the effect that the plant has been functioning satisfactorily during the preceding six month period.
4. RATES:
The rates quoted by the bidders, shall be firm and inclusive of all taxes as applicable (including Vat, labour cess, etc.), duties and levies and all charges
for packing forwarding, octroi, insurance, freight and delivery, installation, temporary constructional storage, testing, commissioning, comprehensive Operation & Maintenance for 5 years, etc. including risks, overhead charges
general liabilities / obligations and clearance from local authorities, except Service Tax.
5. COMPLETENESS OF BIDS:
All sundry equipment, fittings, unit assemblies, accessories, hardware items, foundation bolts, termination lugs for electrical connections and all other items
which are useful and necessary for efficient assembly and installation of equipment of the work shall be deemed to have been included in the bids irrespective of the fact without such items are specifically mentioned in the bid
documents or not. 6. STORAGE AND CUSTODY OF MATERIALS:
Open space for storage of sundry materials and erection equipment shall be
made available at the site by Jesus & Mary College. Erection of temporary store house, watch and ward of the stores and their safe custody shall be the responsibility of the contractor till the final taking over of the installation by
Jesus & Mary College.
7. CARE OF BUILDING:
Care shall be taken by the contractor while handling and installing the various equipment and components of the work to avoid damage to the building. He shall be responsible for repairing all damage and restoring the same to their
original finish at his cost. All unwanted and waste materials arising out of the
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installation of the plant shall be removed by the contractor from the site of work.
8. COMPLETION PERIOD:
i. The completion period of 3 (three) months indicated in the bid
documents is for the entire work of planning, designing, supplying,
installation, testing and commissioning of the entire Solar PV system to the satisfaction of Jesus & Mary College.
ii. Further, the contractor has to carry out Comprehensive Operation & Maintenance of the Solar PV System for a period of 5 (five) years
from the date of successful commissioning of the plant. 9. PERFORMANCE GUARANTEE:
i. The bidder shall guarantee among other things, the following-
ii. Quality, strength and performance of the materials used.
iii. Safe mechanical and electrical stress on all parts used all specified
conditions of operation.
iv. Satisfactory functionality during the maintenance period.
v. The successful bidder shall submit an irrevocable performance guarantee of 5% of the bid amount, in addition to other deposits
mentioned elsewhere in the contract, for his proper performance of the contract agreement within 15 days of issue of letter of intent. This guarantee shall be in the form of government securities or fixed
deposit receipts or guarantee bonds of any scheduled bank in the specified format. The performance guarantee shall be valid up to the stipulated date of completion of the five year period of operation and
maintenance plus 60 days.
10. SUPPLY OF MATERIALS: 10.1 The supplier should be responsible for packing, forwarding, and
dispatching, insurance and safe delivery of materials and installation and commissioning including proper civil works, storage and handling as required
at specific sites at their quoted price. 10.2 Temporary storage of materials during transit or at site shall be the
responsibility of the supplier at his risk and cost.
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11. WARRANTY / GUARANTEE:
i. The mechanical structures, electrical works including power
conditioners /inverters / maximum power point tracker units/distribution boards/digital meters/ switchgear etc. and overall workmanship of the SPV power plants/ systems must be warranted
against any manufacturing/ design/ installation defects for a minimum period of 5 years from the date of commissioning of the SPV System. The equipment or components, or any part thereof, found
defective during warranty period shall be forthwith repaired or replaced free of cost, to the satisfaction of Jesus & Mary College. In
case it is felt by Jesus & Mary College that undue delay is being caused by the contractor in doing this, the same will be got done by Jesus & Mary College at the risk of and cost of the contractor. The
decision of the Principal, Jesus & Mary College in this regard shall be final.
ii. During the warranty period, defective / nonfunctioning SPV system i/c
Solar modules, power conditioning unit, etc. and other spare parts of
the systems shall be repaired /replaced free of cost by the successful bidder at his own cost for proper, sustained and reliable operation of the systems.
iii. PV modules used in solar power plants/ systems must be warranted
for their output peak watt capacity, which should not be less than 90% at the end of 12 years and 80% at the end of 25 years.
12. BEFORE AWARD OF WORK: Successful bidder shall get the price break-up approval from competent
authority before award of work.
13. AFTER AWARD OF WORK: 13.1 The successful bidder would be required to submit the following
drawings within two weeks of award of work and signing of contract agreement (expenditure on Binding of agreement shall be borne by the contractor), for
approval:
a) All general arrangement drawings.
b) Details of foundations for the equipment, load data, location etc. of
various assembled equipment as may be needed generally by other
agencies for purpose of their work.
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c) Complete layout dimensions for every unit/ group of units with dimensions required for erection purposes.
d) Any other drawing/ information not specifically mentioned above but
deemed to be necessary for the job by the contractor. 13.2 The successful bidder should furnish well in advance three copies of
detailed instructions and manuals of manufacturers or all items of equipment regarding installation, adjustments, operation and maintenance including preventive maintenance & trouble shooting together with all the relevant data
sheets, spare parts catalogue and workshop procedure for repairs, assembly and adjustment etc. all in triplicate.
14. EXTENT OF WORK:
14.1 The work shall comprise of entire labour including supervision and all materials necessary to make a complete installation and such tests and
adjustments and commissioning as may be required by the department. The term complete installation shall not only mean major items of the plant and equipment covered by specifications but all incidental sundry components
necessary for complete execution and satisfactory performance of installation with all layout charts whether or not those have been mentioned in details in the tender documents in connection with this contract.
14.2 Minor building works necessary for installation of equipment,
foundation, making of opening in walls or in floors and restoring to their original condition, finish and necessary grouting etc. as required.
14.3 The scope of work Design, Engineering, Supply, Procurement, Transportation, Storage, Insurance, Construction/ Erection, Testing and Commissioning of Solar PV Power Plants with aggregate capacity of 30 kWp
Solar PV Power Plant, therefore, and any item required for completion of the project left inadvertently shall be executed with in the quoted rates.
15. VALIDITY:
Bid shall be valid for acceptance for a period of 90 days from the date of opening of price bid.
16. COMPLIANCE WITH REGULATIONS AND INDIAN STANDARDS:
16.1 All works shall be carried out in accordance with relevant regulation, both statutory and those specified by the Indian Standards related to the works covered by these specifications. In particular, the equipment and installation
will comply with the following:-
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(i) Factories Act, 1948.
(ii) Indian Electricity Rules, 1956.
(iii)I.S. & BS Standards as applicable (iv) Workmen’s compensation Act, 1923
(v) Statutory norms prescribed by local bodies like CEA, NDMC etc.
16.2 Nothing in this specification shall be construed to relieve the successful bidders of his responsibility for the design, manufacture and installation of the
equipment with all accessories in accordance with currently applicable statutory regulations and safety codes.
16.3 Successful bidder shall arrange for compliance with statutory provisions of safety regulations and departmental requirements of safety codes in respect
of labour employed on the work by the bidder. Failure to provide such safety requirement would make the bidder liable for compensation for each default. Temporary barricades are to be provided with caution boards at each landing
to prevent accident during execution of work. 17. INDEMNITY:
The successful bidder shall at all times indemnify Jesus & Mary College,
consequent on this works contract. The successful bidder shall be liable, in accordance with the Indian Law and Regulation for any accident occurring due to any cause and Jesus & Mary College shall not be responsible for any
accident or damage incurred or claims arising there from during the period of erection, construction and putting into operation the equipment and ancillary equipment under the supervision of the successful bidder in so far as the latter
is responsible. The successful bidder shall also provide all insurance including third party insurance as may be necessary to cover the risk. No extra payment
would be made to the successful bidder due to the above. 18. ERECTION TOOLS:
No tools and tackles either for unloading or for shifting the equipment for
erection purposes would be made available by Jesus & Mary College. The successful bidder shall make his own arrangement for all these facilities.
19. COOPERATION WITH OTHER AGENCIES: The successful bidder shall co-ordinate and cooperate with other contractors
and agencies, if any, engaged by Jesus & Mary College to the extent required for execution of the contract, and exchange freely all technical information so
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as to make the execution of this works contract smooth. No remuneration should be claimed from the department for such technical cooperation. If any
unreasonable hindrance is caused to other agencies and any completed portion of the work has to be dismantled and re-done for want of cooperation and
coordination by the successful bidder during the course of work, such expenditure incurred will be recovered from the successful bidder if the restoration work to the original condition or specification of the dismantled
portion of the work was not undertaken by the successful bidder himself. 20. MOBILIZATION:
No mobilization advance shall be paid for this work.
21. INSURANCE AND STORAGE:
All consignments are to be duly insured up to the destination from warehouse to warehouse at the cost of the supplier. The insurance covers shall be valid till
the equipment is handed over, duly installed, tested, commissioned and completion of operation and maintenance period of 5 years.
22. VERIFICATION OF CORRECTNESS OF EQUIPMENT AT DESTINATION:
The contractor shall have to produce all the relevant records to certify that the genuine equipment from the manufacturer has been supplied and erected.
23. INTERPRETING SPECIFICATIONS:
In interpreting the specifications, the following order of decreasing importance shall be followed in case of contradictions:
(i) Schedule of quantities (ii) Technical Specifications
(iii)Drawing (if any) (iv) General Specifications (v) Relevant IS or other international code in case IS code is not available.
24.TEST CERTIFICATES OF SPV SYSTEMS:
The bidders are required to submit test certificates for Solar Photo-voltaic modules, Inverters and Meter etc. from one of the MNRE approved / IEC /
NABL Accredited test laboratories in compliance of the specifications laid down at part ii (B) of Annexure I of this NIT. Certificates issued during 2014-15 will only be considered as valid. Test certificates issued period before 2014-15 will
not be considered.
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25.INSPECTION AND TESTING OF MATERIALS:
25.1 The inspection of the goods shall be carried out to check whether the goods are in conformity with the technical specifications attached to the NIT
and shall be in line with the inspection/test procedures laid down in the schedule of specifications and the contract conditions.
25.2 Manufacturer must have suitable facilities at their works for carrying out various performance tests on the equipment. In case of system integrators they should tie up with principle suppliers in case of inspection at their works.
25.3 The Purchaser’s, his duly authorized representative and/or outside
inspection agency acting on behalf of the purchaser shall have the power at all reasonable times for access to the contractor’s premises or works and shall have the power at all reasonable times to inspect and examine the materials
and workmanship of the works during its manufacture or erection. If part of the works is being manufactured at the subcontractor’s works or assembled in
their premises or work, the contractor shall obtain for the purchaser and for his duly authorized representative, permission to inspect as if the works were manufactured or assembled in the contractor’s own premises or works.
25.4 In case of the supplier supplying critical equipment which is being manufactured by a foreign sub-contractor or vendor, mandatory inspection at
works of foreign subcontractor or vendor shall be carried out by the purchaser’s engineers. The complete charges for such inspection & tests
including equipment simulation at the works of the sub-contractors including airfare, boarding & lodging for purchasers engineers shall be borne by the supplier.
25.5 In case of indigenous equipment/goods, inspection shall be carried out at the works of the supplier by the purchaser’s engineer and the costs for such
inspection have to be borne by the supplier.
25.6 If the goods/services or any section fails to pass the tests, the supplier may require such tests to be repeated on the same terms and conditions. All costs to which the purchaser may be put to by the re-petition of the tests under
this sub-clause shall be deducted from the contract price.
25.7 Nothing in the clause and all sub-clauses shall in any way relieve the supplier from any warranty or other obligations under this contract.
26. PRE – COMMISSIONING TEST 26.1 On completion of erection of the equipment and before start up, each
item of the equipment shall be thoroughly cleaned and then inspected jointly by the purchaser or his authorized representative and the contractor for
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correctness and completeness of installation and acceptability for start– up, leading to initial pre commissioning test at site.
26.2 On completion of inspection, checking, checking and after the pre
commissioning tests are satisfactorily over, the complete equipment shall be ready for trial run.
27. TRIAL RUN: 27.1 The plant shall be on trial operation during which period all necessary
adjustments shall be made while operating over the full load range enabling the plant to be made ready for performance and guarantee tests.
27.2 The trial run shall have to be performed for a period of 5 continuous days with the necessary load and set up required for trial operation being arranged
by the supplier.
27.3 A trial operation report comprising of observations and recording of various parameters to be measured in respect of the above trial operation shall be prepared by the contractor. This report, besides recording the details of
various observations during trial run, shall also include the dates of start and finish of the trial operations and shall be signed by the representatives of both the parties. The report shall have sheet, recording all the details of
interruptions occurred, adjustments made and any minor repairs done during this trial operation.
28. PERFORMANCE GUARANTEE TEST
28.1 The final test as to the performance and guarantee shall be conducted at site, by the purchaser. Such tests will be commenced within a period of 10 days after successful completion of trial run. Any extension of time beyond 10
days shall be mutually agreed upon.
28.2 These tests shall be binding on both the parties of the contract to determine compliance of the equipment with the performance guarantees.
28.3 Any special equipment, load, tool & tackles required for the successful completion of the performance guarantee test shall be provided by the
contractor. 28.4 Guaranteed performance figures of the equipment shall be proved by the
contractor during the performance guarantee tests.
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29. FORCE MAJEURE
To the extent that the performance by the contractor of any of the Services is
delayed or prevented by causes beyond its reasonable control, including but not limited to, acts of God, acts of local, state or federal government or any instrumentality thereof, strikes, civil commotion or the like, the contractor shall
not be in default of his obligations hereunder. 30. SETTLEMENT OF DISPUTES
All disputes relating to this work shall be resolved within India, first through
mutual discussions, followed by arbitration, through an arbitrator to be
appointed by the Principal, Jesus & Mary College. The jurisdiction of Indian
courts and Indian law will be applicable.
Principal
Jesus & Mary College