TECHNICAL SPECIFICATIONS for 5KW Solar Power Plant(Annexure A)

The general scope of contract includes design, manufacture, testing, inspection, packing and forwarding,
transportation up to project site, loading & unloading, storage in safe custody, erection, carrying out preliminary tests
at site, commissioning, performance testing and operation for at least one month & handing over to the purchaser all
the equipments installed for 5KWp capacity SPV Power Plant in each of the rural hospitals under NHM, Assam.

The illustrative schedule of requirements is in accordance to the specifications contained in this document

1.1 SYSTEM DETAILS:

Sl.
Brief Description Units
No.

1 SPV modules for a total capacity of 5 KWp as per specifications 1 Set

SPV module mounting structure suitable for accommodating 5

2 KWp capacity SPV modules including foundation as per 1 Set
specifications on ground/roof of building.

3 PCUs as per specifications 1 No. / Set

4 Array Junction Boxes 1 Set

5 Main Junction Boxes 1 Set

6 Data Logging system with remote monitoring as per specification 1 Set

7 DC Distribution units as per Specifications 1 Set

8 AC Distribution units as per Specifications 1 Set

Mtrs. As required

9 Cables requirement as per design at site for full plant

commissioning

Fire extinguisher in accordance with BIS codes for electrical short

10 1 set
circuit fires along with sand buckets

Lightning arrester complete set as per

11 1 set
Specification

Earthing complete set as per

12 1 Set
Specification
 13 Battery Bank as per specifications 1 Set

Spares, tools and tackles for

14 As per list
operation and maintenance

Fuses, Transfer Switches, Printed Circuit Boards required for

15 1 Set
Power Plant

Providing training to engineers and site staff for Operation,

16 1 Item
Maintenance and Trouble Shooting skills

Operation of the SPV Power Plant for a period of 1 month from

17 1 Item
date of commissioning of the plant.

Engineering, electrical drawings and

18 1 Set
installations and O&M manuals

1.2 SOLAR PHOTOVOLTAIC MODULES

1.2.1 The total solar PV array capacity should not be less than 5 KWp and should comprise of polycrystalline of
minimum 200 Wp and above wattage. Module capacity less than minimum 200 watts should not be
supplied. The module type must be qualified as per IEC 61215/IS 14286 latest edition for Crystalline Silicon
PV Module. SPV module conversion efficiency should be equal to or greater than 13 – 14 % under STC.
Modules must qualify to IEC 61730 Part I and II for safety qualification testing. Certificate for module
qualification from IEC or equivalent to be submitted as part of the bid offer. Undertaking from manufacturer /
supplier that the modules being supplied are as per above.

1.2.2 The PV module shall perform satisfactorily in humidity up to 100% with temperature between – 40 0C to + 85
0C. 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 provided.

1.2.3 The predicted electrical degradation at the end of the period of 15 years shall be less than ten (10) per cent
of the full rated original output.

1.2.4 Other general requirement for the PV modules and subsystems shall be as follows:

a. Raw materials and technology employed in the module production processes shall have to be
certified and a certificate giving details of major materials i.e. cells, glass, back sheet, their makes
and data sheets to be submitted for the modules being supplied by the bidder.

b. The rated output power of any supplied module shall have tolerance of +/- 3% as per MNRE
standard specs.

c. 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) per cent from the
respective arithmetic means for all modules and/or for all module strings, as the case may be.

d. Except where specified, the front module surface shall consist of impact resistant, low-iron and
high-transmission toughened glass.

e. The module frame, if any, shall be made of a corrosion-resistant material which shall be
electrolytically compatible with the structural material used for mounting the modules.
 f. 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
and IP65 rated

1.3 ARRAY STRUCTURE

1.3.1 Wherever required, suitable number of PV panel structures shall be provided. Structures shall be of flat-plate
design either I or L sections.

1.3.2 Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the
module frame, its fasteners, nuts and bolts. Galvanizing should meet ASTM A-123 hot dipped galvanizing or
equivalent which provides at least spraying thickness of 70 microns on steel as per IS5905, if steel frame is
used. Aluminium frame structures with adequate strength and in accordance with relevant BIS/ international
standards can also be used.

1.3.3 Structures shall be supplied complete with all members to be compatible for allowing easy installation at the
rooftop site.

1.3.4 The structures shall be designed to allow easy replacement of any module & can be either designed to
transfer point loads on the roof top or UDL as per site conditions.

1.3.5 Each structure shall have a provision to adjust its angle of inclination to the horizontal as per the site
conditions.

1.3.6 Each panel frame structure is so fabricated as to be fixed on the ground or roof. The structure should be
capable of withstanding a wind load of 200 km/hr after grouting & installation. The front end of the solar
array must be one meter above the ground. Grouting material for SPV structure shall be as per M15 (1:2:4)
concrete specification.

1.3.7 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 specifications in the bid. Detailed engineering drawings and instructions for
such prior civil work shall be carried out prior to the supply of Goods.

1.3.8 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:

a. Determination of true south at the site;

b. Array tilt angle to the horizontal, with permitted tolerance;

c. Details with drawings for fixing the modules;

d. Details with drawings of fixing the junction/terminal boxes;

e. Interconnection details inside the junction/terminal boxes;

f. Structure installation details and drawings;

g. Electrical grounding (earthing);

 h. Inter-panel/Inter-row distances with allowed tolerances; and

i. Safety precautions to be taken.

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.

1.4 POWER CONDITIONING UNIT (PCU)

The PCUs required shall be of 5 KVA Hybrid with provision for battery back-up, should convert DC power produced
by SPV modules in to AC power and adjust the voltage & frequency levels to suit the local grid conditions. The 5 KVA
Hybrid PCU with battery back- up shall feed power to the lighting / dedicated loads.

Common Technical Specification:

Control Type : Voltage source, microprocessor assisted, output regulation

Output voltage : 1 phase, 230 V ac (+12.5 %, - 20 % V ac)

Frequency : 50 Hz (+3 Hz, -3 Hz)

Continuous rating : 5 KVA Hybrid inverter

Nominal Power : 5 KVA

Total Harmonic Distortion : less than 3%

Operating temperature Range : 0 to 55 deg C

Housing cabinet : PCU to be housed in suitable switch cabinet,

Within IP 20 degree of ingress protection

PCU efficiency : 94 % and above at full load,

Power Control : MPPT

Other important Features/Protections required in the PCU:

Mains (Grid) over-under voltage and frequency protection

Fool proof protection against Islanding.

Included authentic tracking of the solar arrays maximum power operation voltage (MPPT).

Array ground fault detection.

LCD and piezoelectric keypad operator interface Menu driven

Automatic fault conditions reset for all parameters like voltage, frequency and/or black out.

MOV type surge arresters on AC and DC terminals for over voltage protection from lightning-induced surges.

PCU should be rated to operate at 0 -55 deg. Centigrade unless provision for air conditioning is included in PCU

All parameters should be accessible through an industrial standard communication link.

 Over load capacity (for 10 sec) should be 150% of continuous rating.

1.4.1 The PCU 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.

The Hybrid PCU shall be self commuted and shall utilize DSP technology to meet the specifications listed
above at high conversion efficiency and with high reliability. The PCU shall be Hybrid one and 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 the case load is more than solar energy being produced.

Conversely it should feed the solar power to the Grid if the load is less than the solar energy generated. It
shall also draw the Power from Mains for charging of Battery Bank in case of Low Battery conditions. The
PCU shall also have the ability for automatic starting, transfer and no-break transfer to an optional generator
for extended grid failure periods.

1.4.2 Since the PCU is to be used in solar photo voltaic energy system, it should have high operational efficiency.
The DC to AC conversion efficiency shall at least be 94 percent for output ranging from 20 percent of full
load to full load. The idling current at no load must not exceed 2 percent of the full-load current.

1.4.3 In PCU there shall be a direct current isolation provided at the output by means of a suitable isolating
transformer.

1.4.4 The PCU output shall be 230 VAC, 50 Hz, 1 phase,

1.4.5 The PCU shall be able to withstand an unbalanced output load to the extent of 30 %

1.4.6 The PCU shall include appropriate self protective and self diagnostic features to protect itself and the PV
array from damage in the event of PCU component failure or from parameters beyond the PCU's safe
operating range due to internal or external causes. The self-protective features shall not allow signals from
the PCU front panel to cause the PCU to be operated in a manner which may be unsafe or damaging. Faults
due to malfunctioning within the PCU, including commutation failure, shall be cleared by the PCU protective
devices and not by the existing site utility grid service circuit breaker.

1.4.7 The PCU generated harmonics measures at the point of connection to the utility services when operating at
the rated power shall not exceed a total harmonic current distortion of 4 percent, a single frequency current
distortion of 4 percent and single frequency voltage distortion of 1 percent when the first through the fiftieth
integer harmonics of 50 Hz are considered.

1.4.8 The PCU Power factor at the point of utility service connection shall be 0.95 lagging or leading when
operating at above 25 percent of the rated output, but may be less than 0.95 lagging below 25 percent of the
rated output.

1.4.9 The high voltage and power circuits of the PCU shall be separated from the low-voltage and control circuits.
The internal copper wiring of the PCU shall have flame resistant insulation. Use of PVC is not acceptable. All
conductors shall be made of standard copper.

1.4.10 The PCU shall withstand a high voltage test of 2000 V rms, between either the input or the output terminals
and the cabinet (chassis).

1.4.11 Full protection against accidental open circuit and reverse polarity at the input shall be provided.

1.4.12 The PCU shall not produce Electromagnetic interference (EMI) which may cause malfunctioning of
electronic and electrical instruments including communication equipment, which is located within the facility
in which the PCU is housed.
1.4.13 The PCU 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 measurement displays shall have an accuracy
of 1 percent of full scale or better. The display shall be visible from outside the PCU enclosure. Operational
status of the PCU, alarms, trouble indicators and AC and DC disconnect switch positions shall also be
communicated by appropriate messages or indicator lights on the front of the PCU enclosure.

1.4.14 Communication Modbus protocol with LAN/WAN options along with remote access facility and SCADA
package with latest monitoring systems.

1.4.15 Electrical safety, earthing and protection

a. Internal Faults: In built protection for internal faults including excess temperature, commutation failure,
overload and cooling fan failure (if fitted) is obligatory.

b. Over Voltage Protection: Over Voltage Protection against atmospheric lightning discharge to the PV array is
required. Protection is to be provided against voltage fluctuations and internal faults in the power
conditioner, operational errors and switching transients.

d. 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.

e. Cabling practice: Cable connections must be made using PVC Cu cables, 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.

f. Fast acting semiconductor type current limiting fuses at the main busbar to protect from the grid short circuit
contribution.

1.4.16 The PCU shall include an easily accessible emergency OFF button located at an appropriate position on the
unit.

1.4.17 The PCU shall include ground lugs for equipment and PV array grounding.

1.4.18 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.

1.4.19 The PCU enclosure shall be weatherproof and capable of surviving climatic changes and should keep the
PCU intact under all conditions in the room where it will be housed. The INVERTER shall be located indoor
and should be either wall / pad mounted. Moisture condensation and entry of rodents and insects shall be
prevented in the PCU enclosure.

1.4.20 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.

1.4.21 All doors, covers, panels and cable exits 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).

1.4.22 In the design and fabrication of the PCU the site temperature (5° to 55°C), incident sunlight and the effect of
ambient temperature on component life shall be considered carefully. Similar consideration shall be given to
the heat sinking and thermal for blocking diodes and similar components.

1.4.23 Factory Testing:

a. The PCU 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.
b. 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 can not be directly tested.

c. Special attention shall be given to demonstration of utility service interface protection circuits and functions,
including calibration and functional trip tests of faults and isolation protection equipment.

d. Operation of start up, disconnect and shutdown controls shall also be tested and demonstrate. Stable
operation of the PCU and response to control signals shall also be tested and demonstrated.

e. Factory testing shall not only be limited to measurement of phase currents, efficiencies, harmonic content
and power factor, but shall also include all other necessary tests/simulation required and requested by the
Purchasers Engineers. Tests may be performed at 25, 50, 75 and 100 percent of the rated nominal power.

f. A factory Test Report (FTR) shall be supplied with the unit after all tests. The FTR shall include detailed
description of all parameters tested qualified and warranted.'

g. Factory testing of the PCU/ PCU,s should be carried out and witnessed by the Purchaser's Engineers at the
manufacturers premises.

1.4.24 Plant Metering/Data Logging

a) PV array energy production: Digital Meters to log the actual value of AC/DC Voltage, Current & Energy
generated by the PV system shall have to be provided.

b) 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.

c) Wind Speed: An integrated wind speed measurement unit is provided.

d) Temperature Sensor: Integrated temp, sensors for measuring the module surface temp., inverter inside
enclosure temp, and ambient temp to be provided complete with readouts integrated with the data logging
system.

1.4.25 Maximum Power Point Tracker (MPPT)

Maximum power point tracker shall be integrated in the PCU to maximize energy drawn from the array. The MPPT
should be micro processor based to minimize power losses. The details of working mechanism of MPPT shall be
mentioned. The MPPT must have provision (.manual setting) for constant voltage operation.

1.5 & 1.6 ARRAY JUNCTION BOX, MAIN JUNCTION BOXES:

The junction boxes are to be provided in the PV yard for termination of connecting cables. The J. Boxes shall be
made of FRP/Powder Coated Aluminium with full dust, water & vermin proof arrangement. All wires/cables must be
terminated through cable lugs. The J.Bs shall be such that input & output termination can be made through suitable
cable glands. Made of FRP or cast aluminium/ copper

Copper bus bars/terminal blocks housed in the junction box with suitable termination threads

Conforming to IP65 standards and IEC 62208 Hinged door with EPDM rubber gasket to prevent water entry. Single
compression cable glands. Provision of earthing

Suitable capacity MOVs provided within the box to protect against lighting
1.7 PLANT CONTROL, DATA LOGGER & PLANT MONITORING UNIT

Basically, this unit should perform the following.

Measurement and/or recording of energy parameters.

Simple data logger or energy meter to record the energy data on a pre determined interval basis.

Measurement & continuous acquisition of ambient air temperature, wind speed, solar radiation, PV module
temperature, PCU output voltage and current, output frequency

Operating state monitoring and failure indication.

Representation of monitored data in graphics mode or in tabulation mode.

Controlling & monitoring the entire power system through remote terminal.

Necessary hardwares & softwares shall have to be supplied by the contractor. Both the softwares and hardwares
required for interfacing the plant with office including CPUs, modems UPS are to be supplied and installed by the
contractor.

Remote control/ Instrumentation: The microprocessor control unit should have the provision for installation of RS –
232/485 communication link.

1.8 DC DISTRIBUTION BOARD

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.

DC DPBs shall have sheet from enclosure of dust & vermin proof. The bus bars are to made of copper of desired
size. Suitable capacity MCBs be provided for controlling the DC power output to the PCU along with necessary surge
arrestors.

1.9 AC DISTRIBUTION PANEL BOARD

1.9.1 AC Distribution Panel Board (DPB) shall control the AC power from PCU, and should have necessary surge
arrestors. Requirement/specifications of DCDB and ACDB may be changed as per site conditions. An ACDB
to be provided at the cable terminating point emanating from 5 KVA PCU for interconnection control of
dedicated electrical loads.

1.9.2 All switches at the, circuit breakers, connectors should confirm to IEC 60947, part I, II and III.

1.10 CABLES & WIRES

1.10.1 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.

1.10.2 Wires: Only FRLS copper wires of appropriate size and of reputed make shall have to be used.

1.10.3 Cables Ends: All connections are to be made through suitable cable/lug/terminals; crimped properly & with
use of Cable Glands.

1.10.4 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 have
to be got approved from ‘he purchaser prior to installation. All cable tests and measurement methods should
confirm to IEC 60189.
1.11 FIRE EXTINGUISHERS:

The fire fighting system for the proposed power plant for fire protection shall be consisting of:

Portable fire extinguishers in the control room for fire caused by electrical short circuits.

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 as well as on the roof top where the PV arrays
have been installed.

1.12 LIGHTNING PROTECTION:

There shall be the required number of suitable lightning arrestors installed in the array field. Lightning protection shall
be provided by the use of metal oxide resistors and suitable earthing such that induced transients find an alternate
route to earth. Protection shall meet the safety rules as per Indian Electricity Act.

1.13 EARTHING PROTECTION

Each array structure of the PV yard should be grounded properly. In addition the lighting arrester/masts should also
be provided inside the array field. Provision should be kept 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 the
plant should be thoroughly grounded in accordance with Indian electricity Act./IE Rules. Earth resistance should be
tested in presence of the representative of NRHM after earthing by calibrated earth tester. PCU ACDB & DCDB
should be earthed properly.

1.14 BATTERY BANK:

The battery bank is to be designed to provide the backup power for feeding the dedicated loads in the event of failure
of grid supply.

Storage Capacity: 96V, 900 Ah @ C/10

Type: Tubular Gel batteries from reputed manufacturers.

The battery cells shall have high ampere hour efficiency so as to quickly pick up the charge of the order 95%. High
watt hour efficiency of at least 85%.

Battery Bank-

The batteries shall be solar photo voltaic batteries of Tubular Gel type, low maintenance, lead Acid and
made of hard rubber container.

Storage batteries should conform IEC 61427 / IS 1651 / IS 133369 as per specifications.

The batteries shall use 2 / 12V cells and battery capacity is to be designed at C10 rate with end cell cut off
voltage of 1.85 V / cell.

Battery terminal shall be provided with covers.

Batteries shall be provided with micro porous vent plugs with floats.

Charging instructions shall be provided along with the batteries.

 Suitable carrying handle shall be provided.

A suitable battery rack with interconnections & end connector shall be provided to suitably house the
batteries in the bank. The features and dimensions of the battery rack shall be provided along with the bid
document.

The batteries shall be suitable for recharging by means of solar modules via incremental / open circuit
regulators.

Bidder shall mention the design cycle life of batteries at 80%, 40% and 20% depth of discharge at 27 deg. C.

The batteries shall be designed for operating in ambient temperature of site in the state of Assam.

The self discharge of batteries shall be less than 3 % per month at 20 deg. C and less than 6% per month at
30 deg. C

The charge efficiency shall be more than 90% up to 70% state of charge.

The topping up frequency shall be 12 – 18 months.

· The batteries shall consist of individual cells, which can be carried separately with ease while transporting.

· Offered batteries shall comply to the following:

10 % of DOD: 7200 cycles

50 % of DOD: 3000 cycles

80 % of DOD: 1200 cycles

The Battery Bank shall be designed to provide 2 days (“2 No Sun” days) autonomy.

Bidder to provide battery sizing details along with their offer. The distance between two batteries may be kept 6
inches & vice versa.

1.15 TOOLS & TACKLES AND SPARES:

After completion of installation & commissioning of the power plant, necessary tools & tackles are to be provided free
of cost by the contractor for maintenance purpose. List of tools and tackles to be supplied by the contractor for
approval of specifications and make from NRHM, Assam.

A list of requisite spares in case of PCU comprising of a set of control logic cards, IGBT driver cards etc. Junction
Boxes. Fuses, MCCBs etc along with spare set of PV modules and batteries be indicated, which shall be supplied
along with the equipment. A minimum set of spares shall be maintained in the plant itself for the entire period of
warranty and Operation & Maintenance which upon its use shall be replenished.

1.16 DANGER BOARDS AND SIGNAGES

Danger boards should be provided as and where necessary as per IE Act/IE rules as amended up to date. Three
signages shall be provided one each at battery –cum- control room, solar array area and main entry from
administrative block. Text of the signages may be finalized in consultation with NRHM, Assam.

1.17 DRAWINGS & MANUALS

Two copies of Engineering, electrical drawings and Installation and O&M manuals are to be supplied. 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, synchronization and distribution for
street lighting system along with protection equipment. Approved ISI and reputed makes for equipment be used. For
complete electro-mechanical works, bidders shall supply complete design, details and drawings for approval to
NRHM, Assam before progressing with the installation work.

1.18 BATTERY ROOM

Specification for Battery Room for 5 KW Solar Power Plants in health institutions under NHM, Assam

1 Foundation : R.C.C. as per requirement.

2 Column and beam : R.C.C. as per requirement.

3 Plinth wall

Outer Wall: 225 mm thick 1st. class brick / stone masonry work in cement mortar in prop. 1: 5 and 10mm
cement plaster in prop., 1:6 on exposed faces.

4 D.P.C:

Providing and laying 25mm thick damp proof course with cement concrete in prop.1:1.5:3 with graded stone
aggregate of 10mm down nominal size including providing approved damp proof admixture in
proportion as recommended by the manufacturer including curing etc complete as directed.

5 Floor

Ground floor: 65mm thick cement concrete flooring with 50mm under layer of cement concrete 1:3:6
and 15mm cement concrete layer 1:1:2 over one brick flat soling /150mm stone soling.

6 Wall:

112mm thick brick nogged wall in prop.1:5 from plinth up to post plate with cement plaster 15mm in
outer face and 10mm in inner face in prop.1:5 including distempering over Plaster of Paris or wall putty.
Outer wall will be finished with cement wash /weather coat with cement primer.

7 Roofing:

R.C.C Slab as per design and roof treatment as per relevant item of schedule of rates.

8 Windows/Ventilators: As per requirement.

9 Doors:

1st class local wood framed/ paneled /factory made paneled Flush doors with aluminum fittings.
10 Miscellaneous:

R.C.C.chajjah, lightening conductors, grills in windows and ventilators, rain water down pipe, aprons, drains,
cupboard (in Bath & W.C) Chowkaths, Door & Window leafs to be painted with one coat of primer and two
coats of enamel paint of approved shade.

11 Height of Plinth: 600mm.

12 Height of the Room: 3050mm.

13. Dimension of the Room: 4800mm X 4800 mm.

***************************

ANNEXURE – II

SCOPE OF WORK:

The broad scope of work would include design, supply, installation, commissioning of the 5 KW Solar PV Power Plant
and providing manpower for operation for at least one month. This would inter-alia include

2.1 A clear understanding of the features of the Rural Hospitals under NHM in Assam and the topography of
project site.

2.2 Supply of the complete systems, including all necessary components, subcomponents, spares,
consumables, tools & tackles etc. as per technical specifications given elsewhere in this document.

2.3 Erection and commissioning of the supplied systems at the specified site.

2.4 Providing the control room near the building along with necessary partition with glass and aluminum frame
structure works.

2.5 Providing pedestals if required for mounting of the PCU'S and control panels
2.6 Water pump with shed along with full C class piping for water supply for panels cleaning and washing along
with water discharge piping.

2.7 All structural drawings to be got approved from NHM.

2.8 Any other work urgently required as per site conditions.

2.9 The selected contractor shall provide detailed Operation & Maintenance Manual in English language for all
the systems.

2.10 Fabrication, supply and the installation of suitable support for the PV panels and other components
whichever is required with the accessories.

2.11 Civil work (grouting) for PV structure and construction of Battery Room.

2.12 SPV Power Plant shall be installed as per the specifications provided in the technical offer.

2.13 Provide sealed & tested energy meter at consumption side & generation side of SPV Power Plant.

2.14 Provide electrochemical marking (embossing) on each solar module frame which will show name of
manufacturer, year of installation and capacity of solar module.

2.15 Supply and installation of control equipments required for the system.

2.16 Training to the users for operation and maintenance of the system.

2.17 Any additional works not covered above, but necessary for the functioning of the system and required as per
specification incorporated. The items of minor nature, which are not mentioned, shall be incorporated by the
Tenderer.

2.18 Regarding cabling work (external & internal) & construction of control room, the Tenderer is required to
quote (including drawing & design) taking into account actual site conditions.

2.19 Regarding actual work to be carried out at the site Tenderer needs to execute the work in coordination with
NHM Assam.

2.20 The Tenderer shall quote for Comprehensive Maintenance Contract for 3 years from the date of expiry of 2
years guarantee period.

2.21 The Tenderer shall provide the necessary training to identified representative of NHM for proper daily
operation and maintenance of installed systems after being taken over by NHM.

2.22 The CMC period shall be 3 years from date of expiry of 2 years guarantee period. The successful Tenderer
shall visit the installation quarterly and carry out regular servicing of installed systems and submit quarterly
performance reports of installed systems to the NHM’s Coordinator for the Project. The Tenderer shall also
submit annual performance reports of installed system duly certified by the NHM’s Coordinator for the
Project, to the Mission Director, NHM Assam.

2.23 The grid supply connection would be provided with auto change over for topping up of the battery in case of
low solar flux period.

2.24 All cabling and load connections should be carried by the Tenderer with proper synergy with the existing
electrical systems of the project site.

2.25 The Tenderer shall install LED lights only wherever to be installed, for lighting of the project area/ cabins.

2.26 The Tenderer will provide a minimum of 10 number of LED signages powered by solar.