PROVN OF SOLAR POWER PLANT AT SEVOKE MIL STATION UNDER GE SEVOKE ROAD

(b) Record of activities such as voltage / current / PF / Energy consumed / temp of transformers, break downs, day to day maintenance of Solar PV Plant etc. (c) The contractor shall ensure that all safety precautions are strictly exercised by the staff employed by him. Adherance to IE rules and statutory rules in vogue must be ensured. The contractor shall be fully responsible for any mishap that occurs due to any fault of the employee or due to non adherance of safety norms. (d) Record of activities such as attendance register, duty roster, pay distribution register of the whole staff employed by the contractor. (e) The electrician staff employed by the contractor shall be ITI holder with four years experience.

Representing (%) percentage Above/Below (+ or - denomination) the Prime Cost sum pre price insered by MES (For BOQ/Schedule 'A' Item No 70, PC Sum Only)

(xvii) CORE : Transformer shall be double wound, core type with low loss, non-ageing, high permeability PRIMEGRADE, CRGO with M4 Grade or Better, perfectly insulated and clamped to minimize noise and vibrations. Followings should be Mandatory for any manufacturer: - (a) Transformer shall be of BOLTLESS core design. (b) Core shall be purchased Directly from Manufacturer or from their accredited Marketing organization of Repute & not through any agent. Bidder has to submit manufacturer’s name during bidding having sufficient credential & Core has to be purchased from the approved manufacturer. (c) Stage inspection of the core shall be done at manufacturer’s premises & inspection call shall be given with following Documents: (i) Invoice of the supplier (ii) Mill’s test certificate (iii) Packing list (iv) Bill of landing & Bill of Entry certificate by customs (d) Transformer manufacturer should have in-house core cutting facilities for proper control & monitoring of quality & to avoid mixing of Prime core with Second grade /defective core materials. Transformer Manufacturer should have in-house slitting Machine so that core is cut to width & stacked with minimum air gap thus ensuring Burr level less than 10Microns. (e) Core shall be procured from one of these reputed Manufacturers : Posco / Nippon/ Novex/ Ak Steels. (f) The insulation structure for the core to bolts and core to clamp plates shall be such as to withstand a voltage of 2000V for one minute.

(xviii) Tank: Tank should be of corrugated wall construction type. The exterior of tank and other steel surfaces exposed to the weather shall be thoroughly cleaned and have a priming coat of zinc chromate applied. The second coat shall be of an oil and weather-resistant nature, preferably of distinct colour from the prime and finish coats. The final coat shall be of a flossy, oil and weather resisting non-fading paint of specified shade. The interior of the tank shall be cleaned by shot blasting and painting with two coats of heat resistant and oil insoluble paint. Winding: (a) Winding shall be made with 99.9% pure electrolytic grade copper, insulated with thermally upgraded paper (Insulation Class A / Conductor Turn Insulation-Class E). The HV & LV winding should be able withstand thermal and mechanical stress in the event of short circuit. (b) Winding shall be carried in dust free area (c) The completed core and coil assembly shall be dried in vacuum and shall be immediately impregnated with oil after the drying process to ensure elimination of air and moisture within the insulation. Oil type: TransformerTransformer oil shall be as per IS-335:1993. It shall be natural/synthetic ester oil. The material safety Data Sheets (MSDS) for the Transformer oil shall be submitted by the bidder along with the offer Temperature Indicator: One set of winding temperature indicators with necessary current transformer, heating coil and a detector element and one set of oil temperature indicator with maximum reading pointer shall be mounted locally so as to be readable at a standing height from ground level. Each of the above indicators shall be provided with necessary contacts for alarm and trip: (a) Oil Insulation class : K class. It should also exhibit safety against fire hazards

RATE In Figures To be entered by the Bidder Rs. P

Supply, laying, jointing & testing XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 sq mm 4 core ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. with all fixing & connecting accessories complete all as specified and directed.

Supply, laying, jointing & testing XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 core ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. with all fixing & connecting accessories complete all as specified and directed.

Supply, laying, jointing & testing XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 4 core ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. with all fixing & connecting accessories complete all as specified and directed.

S & F for mild steel TMT bars 6 to 8 mm dia, conforming to Fe 500 D cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, stirup, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

Design, procurement, erection, installation, testing and commisioning including connecting to local utility grid; Grid connected solar photovoltaic plant 0.8 MW output peak capacity with net billing arrangement including Solar Photovoltaic Modules,DC Cabling, Module Mounting Structures (suitable for ground mounting with and including Soil Investigation as per OEM recommendation, RCC foundation framed structure and other connected civil work duly vetted by IIT / NIT), Array Combining Boxes, ACDB, DCDB, Lightining Protection of SPV modules and other accessories, String Inverter as Power Conditioning Unit, Weather Station and Data Monitoring system (SCADA) all as per detailed specifications given in tender documents, latest MNRE/SECI/NISE/IREDA guidelines and directions, meeting the Make in India (DCR), consisting of all requisite accessories (BOS-Balance of system) and including the following main components (NOTE : The work shall be executed directly by OEM only through contractor.) Item Continued as 1.01 to 1.45

(iv) Short Circuit Current :> 12A (v) Open Circuit Voltage :> 47 V (vi) Module Efficiency : > 20% (b) Rated output of the modules shall have positive tolerance of 3-5% and no negative tolerance is allowed. (c) It shall perform satisfactorily in RH 85% with temperature up to +85 degree C and should withstand wind of 200 kmph on the surface of panel. (d) PV modules shall be warranted for their output peak watt capacity, and it shall not fall of its initial value below 90% in first 10 year end and 80% after the end of 25 years. (e) Each module shall have RFID tag encapsulated with solar cell bearing following details (i) Name of Manufacturer of SPV Module (ii) Name of Manufacturer of Solar Cell

PER YEAR

(k) RFID reader is to be provided by contractor (l) Both PV cells and SPV modules shall be made in India (DCR). (m) Each structure should have angle of inclination as per the site conditions to generate maximum power. However, to accommodate more capacity the angle inclination may be reduced to 10 - 13 Degree until the plant meets the specified performance ratio requirements. (n) Fire Points with Fire extinguisher liquefied CO2 gas of capacity 10 kg and adequate qty confirming to relevant IS or ISI mark complete as recommended by manufacturer deemed to be included in the unit rate quoted. (o) Danger Board and Rubber mat as recommended by manufacturer deemed to be included in the unit rate quoted. (p) S&F Pressure Booster pump electrically operated with minimum 3 HP 02 Nos (Running+ standby) three Phase AC Supply motor and having head not less than 20 mtr, including PCC foundation civil wokrs and necessary cable required for connection in drawn in PVC conduit heavy duty/ DWC/Electrode pipe from existing nearest point to the motor starter panel including motor starter suitable capacity, PP-R IS-15801 (Polypropylene random co-polymer) pipe 3-layer 63 mm/50 mm/32 mm/25 mm inner dia (outer green coloured UV stablilized, middle black coloured UV stabilized and innermost layer white coloured with anti-microbial property) fusion welded grade PN-10 SDR-11 ( Pressure nominal 10KGS/cm2 ) having thermal stability for hot & cold water supply including all types of plain and brass threaded PPR fittings of any size such as elbow, tees, FTA and MTA etc laid in trenches with necessary exavation, removing and returning filling work and including all accessories from the new PVC tank cap 10000 Ltrs install at proposed site for cleaning of entire solar power plant system. (q) SPV Panel is to be fixed in such a way that lower portion of the Panel remains atleast above 1.5 mtr of finished reflecting surface and cost deemed to be included in the quoted rates.

(B) Junction Boxes: Junction boxes of suitable Nos

(iii) Month and year of Manufacturing (separately for cell and module) (iv) Country of Origin (both cell and module) (v) Peak wattage, Im, Vm and fill factor of the module (vi) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate. (vii) Unique serial no of model no of module (viii) IV curve of module (ix) Other relevant information on traceability of solar cells & modules (f) The temperature coefficient of power for the module shall not be more than 0.50% per degree Celsius. (g) The module must have bypass diode of suitable capacity. (h) PV module must confirm to latest edition of IEC 61215/ IS 14286. In addition the modules must confirm to IEC 61730 Part I and II for construction and testing & safety qualifications and confirming to IEC 62804 PID. (j) It shall also be in conformity to latest minimum technical specification issued by MNRE/IREDA/SECI/NIS

(as per design)/OEM recommendations inputs and suitably rated out put having separate DCfuses for both (+)&(-) on input and isolator on output terminal for each string.Each junction box must have as pare input terminal.The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plast with IP 65 protection in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and maintenance free earthing as per relevant standard. The junction box shall have suitable arrangement of the following: (a) The strings are required to be connected to the copper bus bar through individual fuses. (b) Provide arrangement for disconnection (DC dis-connection switch) for each SJB/ SCB. (c) To provide a test point for each sub group for quick fault location and to provide group array isolation. (d) Each array box shall be of relevant IEC standard. (e) Each array junction box shall have suitable bypass & reverse blocking diodes for minimum DC blocking voltage of 1000V with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard.

(C) DC Cables: Suitable size of XLPE insulated tinned Copper cable (min 10 sqmm) of solar grade, 1100 Volts and UV resistant for outdoor installations confirming to IEC : 60227/15694 & 60502/ IS : 1554 (Pt I&II)) and shall be as under : (a) All cables and connectors must be as per IS/IEC standards and shall be able to withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years and voltage as per latest IEC/IS. (b) All the cables / wires shall be provided with UV resistant printed ferrules for DC wires. (c) The size of the cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 1.5%. (d) Cable batch No., Drum No, IS code and size and make shall be mentioned on every one meter or as per OEM practice. (e) The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size. (f) The cost of interconnecting DC Copper cable, MS cable trays, MS cable trays suitable to accommodate Solar grade cables from SPV module to inverter are included in the item.

(g) Boring of holes under road, pavement, hard standing by trenchless technology (HDD) GI protection pipe up to 100 mm bore (dia), maximum 2.5 metre below of apron area in ant type of soil complete. Note : (i) All the precaution to be taken by the contractor before drilling the bore. The contractor has to take plan of existing cables any type and pipe line in existing area before drilling the bore. (ii) Any damage to existing cables any type and pipe line in the way of drilling the bore will be repaired and make good by the contractor within 24 hours. No extra cost will be paid in this account. (iii) Contractor has to get the survey of route, length and depth for boring before quoting the rate. (iv) Connected items like HDPE/PPR/DWCPE pipes, exavation, removing, return filing, channel, any type of metal work is not measured and paid separately under relevant items. (D) Module Mounting Structure (MMS) (Suitable for ground mounting on any type of soil condition) : Design, procure, fixing, support structure made of hot dipped galvanised steel with min 85 micron thickness including necessary PCC / RCC foundation and associated work (cutting, grounding, PCC filling, disposing waste material,etc., complete) and fixing mounting arrangement suitable for SPV modules so as it can with stand wind speed of 170 km per hour & minimum yield strength off 250 MPa. The mounting structure is to be installed on ground. Mounting structures to be so designed that maximum load is directly on ground. It shall also observe minimum space without sacrificing the out put of SPV panels & adequate spacing between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, protected from the atmosphere and weather mounting structure shall have to be adequately of Stainless Steel of grade SS316.

Supply and fixing galvanized steel chain link fence fabric of mesh size as approved , made out of 4 mm nominal dia of mesh wire conforming to IS 2712-2003 and having zinc coating of type heavy as laid down in IS-4826 including line wires/ binding complete all as specified and as directed(A Board of Officers under the orders of GE shall be convened to ascertain the weight per square metre of galvanized steel wire chain link fencing brought at site by the contractor against each lot of materials).

(g) Security lights within the complex will be operate by the tenderer. (h) The under mentioned tool kit will be provided at site with person on duty :- (i) Electrician tool kit such as screw driver set, tester, test lamp, cutting plier, insulation tape, fuse wire of required size. (ii) Tongue tester (iii) HT megger (iv) First aid box (v) Shock treatment chart duly framed (vi) 33 and 11 KV Hand gloves (vii) 33 KV discharge rod with copper chain (viii)) Helmet -02 nos (ix) Suitable Footwear - 02 nos (x) Cotton protective clothing with long sleeves duly embossed with GE Sevoke as directed. The tenderer's quoted rates shall be deemed to be include the cost of all above provisions and nothing extra will be paid on any account.

NOTES :- (a) Two numbers of anti theft fasteners of Stainless Steel on two diagonally opposite corners of each module shall be provided. (b) Module mounting structure shall be fitted to provide maximum generation. (c) MMS design shall be supported with Staddpro Report vetted by Third Party (Gov Institute) and submitted for the approval of the Accepting Officer. (d) The height of approved design MMS for solar power plant shall be as per latest MNRE/IREDA/SECI/ NISE guidelines. (e) Minimum grade of RCC M-25, design mix (using 20mm graded crushed stone aggregate including TMT bar as per design, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete and other connected works as per design and OEM recommendation. Civil work shall be designed through approved consultant of MES as per latest MNRE/IREDA/SECI/ NISE guidelines and vetted by IIT / NIT. (E) Lightning Protection for entire Solar Power Plant (i.e PV Array, Inverter etc) : Design, procure and fix lighting arrestor system confirming toIS/ IEC-62305(Part1-4)on the ground. The air terminal shall be fixed at the top of MS pole with base so as to beat least two meter above the pole to be protected. Its height above 9 mtr level shall be depend upon the level of protection and protection radii required.

NOTES :- (i) The cost of all equipments, MS Pole, Copper strip upto earth test point,LA, etc., shall be deemed to be included in this item. (ii) The cost of sufficient earthing for lightning protection is also included in this item to be provided by Engr-in-charge. and no extra payment will be made to the contractor on this account (iii) The complete system shall include chemical earthing (as per OEM recommendations) and earth strip/cable etc for earth of SPV module, array, inverter,DC & AC boxes and for LA etc as per latest IS/MNRE/IREDA/NISE/SECI/ALMM specifications and guidelines.No separate cost of the same is included in the schedule and amount will be paid to the contractor on this account. In case of any dispute, decision of Engr in charge will be final, conclusive and binding to contractor. (The earthing shall be of copper earth plate and having specification as per SSR Item Sr 19474). Earth resistance shall not be more than 3 Ohms. (iv) Separate LA arrangement & the design document of the same shall also be submitted. (v) The protection against induced high voltage shall be provided by the use of metal oxide varistors and suitable earthing such that induced transient find and alternate route to earth. (vI) SPV Power Plant shall be provided with lightening and over voltage protection. (vii) Internal surge protection shall consist of three MOV type surge-arrestors connected from +ve abd +ve terminals to earth (via Y arrangement)

(F) Power Conditioning Unit: Procure, fixing, testing and commissioning of minimum 4 (Four) units with overall not less than 800 KW output on 11 KV AC supply, Solar-power inverter suitable for without DC power of Solar PV module/ array with AC output further feeding to grid confirming to IEC:61683 for efficiency, IEC:62109-1 or equivalent for safety and IEC:62093 for reliability. The input DC & output AC technical specification of Inverter are as under : Input (DC) (a) Max Absolute DC input Voltage : 1000 V (b) Start-up DC input voltage : 200 - 500 V (Default 420V) (c) Operating input DC voltage range : 200 - 1000 V (d) No of independent MPPT : One (e) MPPT input DC voltage range at Pacr : 180 - 1000 V DC (f) Max input DC Current : As per design. (g) AC grid connection type : 3Phase (4W + PE) (h) AC output power : As per design. (j) Max AC output Apperant power : As per design. (k) Max AC output Current : As per design. (l) Max AC fault current : As per design.

(G) ACDB : Outdoor type powder coated weather proof,vermin proof made out of CRCA sheet front open able door, locking arrangement, incl

uding suitable working space in DCDB busbar chamber, cable box chamber including Copper busbar of designed capacity /bus raisers suitable capacities with PVC sleeves/tape RYB colour for phases identification, including all bus raiser shall be extend upto cable box chamber fixed on fibre insulation for RYB & neutral to all out going cable, confirming to IP-65 and fixed on wall / floor with control wiring with comprising cable gland brass, copper lugs etc. and comprising the following as per design :- (i) MCCB 4P microprocessor based for outgoing (ii) MCCB 4P microprocessor based for incoming (iii) AC type 2 Surge Protection Device (iv) Spreader Terminals as per requirement (v) Multifunction meter (vi) CT of suitable ratio (vii) Copper busbar chamber (ix) The earthing shall be of copper earth plate and having specification as per SSR Item Sr 19474).Earth resistance shall not be more than 3 Ohms.

E/ALMM from time to time. Modules should be of MNRE/IREDA/SECI/NISE/ALMM approved companies and as per latest IEC/IS standards.

(iii) Nonlinearity + 0.5% (iv) Temperature response : - 2% (v) Tilt error < +/- 0.5% (vi) Zero offset themal radiation +7W/Sqm (vii) Zero offset temperature change + 2 W/Sqm (viii) Operating temperature range - O °C to 80°C (ix) Non stabillity Maximum - 0.8%, (x) Resolution minimum +/-1 W/Sqm (xi) Output Analog 4.50mA (xii) Digital RS 485 (xiii) The earthing shall be of copper earth plate and having specification as per SSR Item Sr 19474).Earth resistance shall not be more than 3 Ohms.

(m) Nominal Output Voltage : 800 Volts AC 3phase or as per the design of Solar Stepup Transformer (n) Output voltage range : ± 10% (o) Output Frequency : 50 Hz ± 3Hz (p) Power factor : > 0.99 (q) Harmonic Distortion Current : < 3% (r) Efficiency : > 98% (s) Standby operation consumption : < 1.5 W (t) Operating temperature upto 85 degree centigrade (u) The Copper based inverter shall have minimum IP-67 protection, ground fault monitoring, reverse polarity protection, anti-islanding, DC reverse polarity, AC and DC short circuit current and over current, AC and DC over voltage and over temperature.

(H) DCDB:- Outdoor type powder coated, weather proof, dust proof,vermin proof made out in CRCA sheet front open able door, looking arrangement, including suitable working space in DCDB busbar chamber,cable box chamber including copper bus raisers with PVC sleeves/ tape RYB colours for phase identification, including all bus raiser shall be extend upto cable box chamber, confirming to IP-65 and fixed on wall /floor with contral wiring with comprising cable gland brass, copper lugs etc. (i) MCCB as per requirement (ii) Fuse as per requirement (iii) Copper busbar chamber. (I) Weather Monitoring System Pyranometer : The pyranometer (ISO 9060 classification ) alongwith necessary assessories for measuring incidental solar radiation at horizontal and inclined plane of array. Specifications of the pyranometer shall be as follows :- (i) Spectral response : 031 to 2.8 micron, (ii) Time response (95%). Max 15 second

(iii) No. Of Close Coils - 01 no. operable at 24 V DC (85% - 110%)/ Spring Assited Closing, No. of Trip Coils - 01 nos. , operabale at 24 V DC ( 70% - 110%) for shunt trip. (iv) Provision for supervision of the shunt Trip Circuits for the Trip Coils to be provided. (v)Switchgear classification: PM class (vi) Loss of service continuity class: LSC2 (vii) Duty Cycle : O – 3min – CO – 3min – CO, Vacuum Circuit breaker shall be of M1, E2, C1 duty and capable for minimum 50 short circuit breaking operation at full short circuit level. (viii) STC rating 21 kA for 3 Sec (for Vacuum Interrupter). (ix)Vacuum Interruptor must be hermetically sealed and must comply IEC 60056 ( along with latest amendments). Vaccum interrupter shall be of same make as RMU (x)Circuit Breaker to be equipped with Suitable tripping arrangement with push button, Mechanical counter to assess the total number of operations of the breaker, Mechanical ON / OFF indicator, Auxiliary switches, Auxiliary Contacts( at least 2 NO + 2 NC of Class 2 category), Emergency trip push button. (xi) The Operating mechanism shall be spring charged motor operated/ spring assisted as per OEM type tested design type with Spring Charge Universal motor operable on 24 V DC / 230 V AC. (xii)Suitable monitoring of Bircuit Breaker status ( ON, OFF, Trip, CB Spring charged if applicable) , Trip Circuit Healthy / Unhealthy, DC healthy/unhealthy to be provided using (xiii) Voltage Presence Indicator shall be provided against each HT circuit ( against each VCB) on line side for knowing the presence of line enerzisation status. (xiv)Number of Mechanical

operations at full rated current for breaker: 2000 O/C

(J) Balance of System(BOS) Items/ Components:TheBOSitems/componentsof theSPVpowerplants/systems deployed under this project shall conform to the latest edition with certificate of IEC or equivalent BIS Standards/MNRE specifications/ as specified in Para 1.01 of 'Minimal Technical Requirements/ Standards for SPV System/Plants' to be deployed during this financial year under the programmes of MNRE available on MNRE website as on last date of quoting of tender. Notes: (i) The contractor must visit the site before quoting the rates for this item to assess the site condition so as to decide up on location and layout of SPV, placement of inverter, length of DC cables, lightning arresters, etc., complete. (ii) The contractor shall submit complete scheme including electrical diagram of the work, schematic diagram, SPV module layout, placement of LAs, Civil work, etc., complete as per IREDA/ SECI/NISE/MNRE/ALMM latest guidelines as applicable, Relevant IEC/IS norms to the GE for approval with in one month of date of commencement of the work. (iii) The rate quoted is deemed to be inclusive of the all protection system including surge, lightning arresters and necessary earthing all as specified and directed.

(K) Remote monitoring system (SCADA) for solar power plant complete with all electronic and electricial parts with and including all necessary software and hardware etc to make fully functional connected to LED monitor (55 inches) with complete plant parameters as required and operate the system from remote and Other Accessories including and The system will be controlled from the main control room where all the data from different parts of the plant shall be received, analyzed and action taken either manually or on auto as per the system design by OEM . The SCADA shall have remote monitoring capability comprising with the following Items and with and including all connected accessories as per OEM recommendation complete: (a) Main SCADA control wall mounting panel complete with fixing arragnment like nut bolt, washers suitable size and connected items. (b) LED Moniter (55. inches) with mouse, key board, CPU (Minimum 1 TB storage alongwith 12 GB RAM, i7 processor), key pad and single phase UPS 10 KVA with 12 Volt battery, 14400 Ah battery bank with rack and required battery backup should not be less than 4 Hrs inside control room. (c) “SCADA System shall be audited for Cyber Security by CERT certified firms at the time of commissioning. Subsequent cyber security audit shall be carried out after every 03 years and cost of audit and rectification shall be born by the contractor”

The Contractor shall provide following defined user access levels, unless otherwise instructed by the Engineer-in-Charge: - • Normal viewing only (default level) The default level shall permit users to view al displays except those specifically assigned to a higher level of access. • Dally Access The daily access level shall allow viewing (ie default an printing at trend displays. • Operator Level (Remote Control) The operator level shall permit authorised users to access lower levels a and to carry out the following actions:-  Perform control actions  Acknowledge alarms  Enter or modify manually-entered data for inclusion in the reports. • Monthly and Yearly Data Archiving The level shall permit authorised users to access lower levels and shall provide the facility to download specific data to long ten data storage for archive purposes (d) The SCADA software shall be of a proven design and reliable, and conforming to industrial standards and shall: - • Support multiple makes of RTU/ Microprocessor controller

/ transmitters and models and provide required software features needed to easily adapt a device which shall not be supported as standard to the SCADA system.

LUMP SUM

Supply, laying & testing PP-R IS-15801 (Polypropylene random co-polymer) pipe 3-layer 32 mm dia (outer green coloured UV stablilized, middle black coloured UV stabilized and innermost layer white coloured with anti-microbial property) fusion welded grade PN-10 SDR-11 ( Pressure nominal 10KGS/cm2 ) having thermal stability for hot & cold water supply including all types of plain and brss threaded PPR fittings of any size such as elbow, tees, FTA and MTA etc laid in trenches complete all as specified and as directed. Note:The contractor shall submit 15 Years warranty certificate against leakage and defect liabilty period deemed to amended acordingly.

• RTU/ PLC/ Microprocessor base controllers and transmitters shall have an expandable architecture and scalability to provide future capacity increases in SCADA system as well as meet present needs of the administration, provide multi-level security and password mechanisms to prevent use of the system by unauthorised persons. The access privilege of authorised users shall be defined separately and permission shall be provided to the users only to access areas concerning them, provide an on-line operating environment. • Adding a new RTUI Microprocessor based Controller to the SCADA system or changing configuration of the existing RTUs/ Microprocessor based controller shall not result in stopping or hinder working order of SCADA system. • The Contractor shall specify maximum number of data which shall be achieved by the system without any performance loss. The Contractor shall conduct necessary tests to prove maximum number of data points achieved. The Contractor shall also be responsible to create additional data points necessary for conducting such tests. Any AutoCAD graphics shall be able to be converted to process diagrams and shall be re-loaded and operated after completion of all works and during tests. (e) The Contractor shall hand over to MES the SCADA and application software (as CDs or DVDs) necessary for re-loading software to the system in case of failures The CDs or DVDs shall be provided after making the necessary tests. The operating system of routers and work stations shall be of an architecture that provides a multi-tasking operating environment, and SCADA software shall also be multi-tasking. Therefore multiple tasks such as receiving measurement results from devices, displaying these results on computer screen. storing on

(xi) The Bidders shall abide by the latest Labour rules and minimum wages Act. Wages paid by the bidders to the persons employed shall not be less than the minimum wages fixed by the state/central government from time to time whichever is higher. (xii) The Bidders is responsible for insurance, EPF, ESI, Bonus, Labour welfare cess et., as applicable and shall be paid to the workmen as per existing Labour rules/ Acts/ regulations and rate quoted shall be deemed to be included for the same. (xiii) Dress Code : The bidders shall provide the workmen with Dark Blue Colour uniform {formal pant & T-shirt} with labels showing/ printed i.e. "Name of the firm and designation" on front and on the back of the T-shirt along with protective clothing, Industrial safety shoes, protective gears like helmet, safety belt etc.. (xiv) Supervision and attending of all incoming & outgoing Solar Power Plant equipment metering equipments & monitoring to loads & other parameters of incomming & outgoing feeders & maintaining log sheet and attendance sheet.

Estimated Amount

PER MONTH

6. Cost of comprehensive maintenance as per OEM recommendation alongwith cost of spare parts required during 5 years of defect liabilty period after completion of Ph-I is deemed to be included in the quoted rate. 7. Bidders attention is drawn to pre-bid conferance with depart

ment and also visit the site prior to bidding and other factor required as per OEM recommendation deemed to be included in quoted rates. 8. The contractor has to carryout Pre-commissioning test of solar power plant including stepup transformer by CEI/SEI. The necessary tools and plants required for inspection of the plant shall be arranged by the contractor.and costs are inclusive in quoted rates. 9. Contractor needs to know the irradiance of the location at the project before quoting. The contractor will design DCR (Make in India) for entire Solar Power Plant according to irradiance of the project location and efficiency of the components to produce the desired peak value as mentioned in the schedule i.e. 800 KW output on 11 KV AC supply and inject to the proposed RMU 11 KV. 10. During the execution of work any type of damage by elephant or monkey manance, contractor is fully responsible for protection of all solar power plant equipments including connected items i.e. PV Module, Inverter etc. No claim will be sought from the department.

(b) Cooling : ONAN (c) Vector Group : to be decided during design. (d) Percentage Impedance (Z%) 6.25 %. (e) Transformer Losses: as per IS 1180 - Level 1(2021) (f) Taps on HV for HV variation : +5 to -10 % in steps of 2.5% each (g) Termination (HV) : Cable End box for 11 KV cable of suitable size (h) Termination (LV): Cable connection (j) The transformer shall be supplied with following fittings: (k) Lifting lugs and Jack lifting pad support (l) Earthing terminals - to be decided during design.

Relay for Control & Protection: Numerical Type IDMT Relay (50/51, 50N/5IN) with two elements for overcurrent and earth fault having settings 50% to 200% for overcurrent and 20% to 80% for earth fault in equal steps with time and current settings and high set instantaneous unit. Additionally, condition monitoring CB wear, condition monitoring CT supervision, disturbance recorder, undervoltage & over voltage protection, trip circuit supervision can be measured through the relay. The device shall support webserver/web HMI through which we can monitor and control the relays over a ethernet Lan network. Licenses for the programming software shall be provided free of cost.The numerical relay shall have large mimic-based LCD screen display . .The relay shall have 8 Digital inputs and 8 Digital Outputs and one additional watchdog ouput.The device has to aloe c

(j) Report Generation The system shall be provided with a report generator utility which shall enable authorised users to create, delete or modify report definitions The report definitions shall allow for retrieval of data from on-line database and farm historical data files and for formatting data for output to printer. The format of each report shall be definable by user to include the definition of static or background data, placement of data base values, number of significant digits of a value, date and time of report and calculated values (k) Graphic Display Generation The system shall be provided with an interactive on-screen graphic generation utility which shall allow an authorised user to create new graphic displays and modify or delete existing displays at any work station including those associated with the LCP/ outstations. The generation utility shall include an interactive linkage process allowing user to link symbolic, numeric and bar graph representations and data entry locations to dynamic data base variables. The graphic display system shall be capable of making full use of the VDU resolution in the composition and display of graphic information. Graphic symbols shall be definable by the user for display of static and dynamic data. The user shall be able to as5emble a library of symbols which shall be retrievable into any graphic display. Text and symbols shall be able to be enlarged, shrunk, moved, mirrored or related with reference to a given display. The system shall be able to represent dynamic analogue data on a graphic display as a variable-length, sizeable bar graph, as well as numeric text.

Protection Relay: (i) 2 Nos. of Numerical Type Self-powered IDMT Relay (50/51, 50N/5IN) with two elements for overcurrent and earth fault having settings 50% to 200% for overcurrent and 20% to 80% for earth fault in equal steps with time and current settings and high set instantaneous unit. Relay should communicate on Modbus RS-485. (ii) Each VCB must have separate Anti Pumping Relay / Antipumping feature through motorization circuit. Fault Passageindicator: The FPI shall facilitate quick detection of faulty section of line. The fault indication may be on the basis of monitoring fault current flow through the device. The FPI should be self-powered and should have internal lithium battery for external indication and setting of FPI in the absence of current. The FPIs shall include: Fault detection - Phase to phase and Phase to earth faults. One potential- free output contacts for hardwiring to RTUs. On this basis, the SCADA/DMS will be able to monitor phase / earth fault condition. Local fault indications - LCD display on FPI front panel along with LED indication on front panel of RMU enclosure. Multiple reset option : End of time delay (Adjustable from 2 to 16 Hrs) Remote reset (Via potential free input contact of FPI) Manual reset (Reset button on front panel of FPI) Automatic reset on current restoration. The characteristics of the FPIs shall include: Phase fault thresholds configurable from at least 100 to 800 A, Earth fault thresholds configurable from at least 20 to 200 A Multiple number of steps for adjusting phase and earth fault thresholds. Fault current duration range configurable from at least 40 ms to 100 ms in 20 ms steps and further 100 ms to 300 ms in 50 ms steps. Variations with respect to these characteristics may be acceptable as long as they prove applicable and provide the same or better flexibility.

a computer disk, sensing alarm conditions that may occur based on measurement results, and displaying them to users, generating reports from collected data, and printing them cut, transferring issued commands to Microprocessor controllers/ RTUs/ PLC, that SCADA software is supposed to execute shall be handled simultaneously without one task waiting for another.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundation, manholes, laying of UG cables/pipes etc. not exceeding 10 Sq.m on plan and getting out in soft/loose or any type of soil complete all as specified and directed.

Removing excavated material (soils) to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Returning filling in, soft/loose or any type of soil including spreading leveling watering and ramming complete all as specified and directed.

Excavation in post holes (or similar holes) in soft/loose soil each n.exc 0.50 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n.exc 50 m and making good surface all as specified & as directed.

M&L for Cement concrete (1:4:8) type D2, (Using 40mm graded crushed stone aggregate) as in foundations of poles and stay, filling and mass concrete complete all as specified and directed.

M&L for plain cement concrete (1:3:6), type-C2 (40mm graded crushed stone aggregate) as in foundation, filling and mass-concrete, coping etc for pole foundation with and including necessary formwork complete all as specified and directed.

M&L PCC (1:2:4) type B2 (using 40 mm graded crushed stone aggregate) as in foundations, filling and mass concrete and coping with and including necessary formwork complete all as specified and directed.

M&L for Advance encapsulated compound based Chemical earthing CPRI tesed maintenance free , pipein -pipe technology upgraded (Zinc & Alloy coated). , Zinc & Alloy coated (80 -100) microns with pure zinc (99.9%) & Alloy coating (200-250) microns. Earthing system conforming IS 3034. The outer and inner pipe should be 76.2 mm and 41.9 mm dia respectively of 3 mtrs long zinc coated with additional special alloy coating 300 mm on top side for additional protection of the terminal . The annular space between the pipes to be filled up with Compact fill (CF) (Crystalline Conductive) mixture which should be machine pressed in the pipes not disintegrate or collapse when outer pipe corrodes . The inner pipe should be extended with terminals for connectivity.The job includes digging the pits in any type of hard dense soil of min size 1000 X 1000 X 3050 mm depth taking out excavated soil, lowering/ placing the the pipe in pipe earth electrode in pit in center ,filling of pure conductolite back filling compound (BFC Conductolite ) having excellent moisture retaining capacity in 300 mm around the electrode (minimum 4 bags of 25 KG per pit per unit) or more qty of backfill compound as required to fill around the the elctrode in 300 mm in circumfrance of electrode . Contractor has to fill the remaining portion of pit with low resistivity soil (agriculture soil) free from stones etcs, to be bring from out side defence land as the soil resistivity of Stn is very high and mixed with min 3 Bags of 50 Kg each of Bantonide clay. The BFC should be eco friendly it should not contain envernmently hazardous material/metal having ROHS certification from NABL accredited lab.The earth pit should be provided with a FRP earth pit cover for protection and safe guard of terminals. The material of earth electrode should have good electrical conductivity & anti corrosion property in wide range of soil conditions. The job also include M & L for in PCC(1:3:6) type C-1 around the FRP cover for support and foundation and colouring the PCC work with desired colour.complete all as specified and directed. Item Continued as 6.01

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and as directed.

(i) Not carrying out maintenance fortnightly - Rs 2500.00 (ii) Not carrying out maintenance Monthly - Rs 5000.00 (iii) Not carrying out maintenance quarterly - Rs 7000.00 (iv) Not carrying out maintenance annually - Rs 10000.00 (c) The Contractor shall be responsible for ensuring production of 800 kW AC output of electricity at the injection point of RMU atleast once in a year from the SPV plant. In case the output is less than 800 kW AC unit, it will be deemed as under-designed plant. The contractor will be responsible for making good the shortfall by repair / replacement of the SPV Plant free of cost. Delay in this regard will attract monetary penalty to be amounted for the period wef very next day of the completion of Phase-I to the date of completion of rectification / replacement by multiplying the maximum value of units less generated than 800 kW AC for every day with the prevailing rate of electricity tariff of WBSEDCL Rate of electricity in West Bengal is Rs 6.52 per unit as in Sep 2025. (d) Maintenance and supervision shall be done by trained men for the safe operation of Solar’s contractor shall carry out fortnightly servicing including adjustment lubrication, repair of replacement fo parts if necessary. In addition to fortnightly servicing contractor’s senior mechanic of foreman shall carryout the inspection as per maintenance schedule and make necessary entries in the proforma attached here-in-after duly signed by Contractor & Engg-in-Charge as applicable kept in the switch room for this purpose. It will be the responsibility of the contractor to see that the maintenance schedule book is maintained properly by their senior mechanic or foreman. They shall promptly attend and call back & shall not be kept pending for more than 4 hours unless it has the prior approval of the Garrison Engineer.

(e) For any repairs/ replacement of Solar the contractor shall always be aware of time factor following are the fixed time (including Sunday/Holiday) for repair/replacement of parts/components/ accessories which shall be adhered to :- (i) Minor repair/ replacement - 4 hours (ii) Major repair/ replacement - 1day (f) The decision of the GE regarding Minor/Major repair shall be final conclusive and binding. In case of failure on the part of the contractor to keep the solar’s in running condition within the stipulated period mentioned in above the contractor is to pay penalty charges as mentioned below subject maximum of 10% of the total contract value and after that measurement will not be considered for the same defective Solar till it is in satisfactory working condition :- (i) Upto 12 hours @ 2000/- (ii) Above

M&L for hard core of gauge not exceeding 63mm with broken stone or boulders, deposited, spread and levelled in layers not exceeding 15cm thick, watered and rammed to a true surface complete all as specified and directed.

Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M35 grade conforming to IS 15658-2006 made by block making machine with strong vibratory compaction, of approved size, design & shape, cast in rubber mould, glossy finish of approved colour, laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

S&F for RCC pipes of 600 mm dia, NP-2 laid and jointed complete with collars complete all as specified and directed.

M&L for Brickwork with fly ash bricks (modular bricks ), straight or curved on plan exc 6m mean radius, built in cement mortar(1:6) complete all as specified and directed.

Material and labour for plastering 15 mm thick (in two coats of 10 mm and 5 mm thick) on fair faces of brick work or concrete surfaces (on vertical surfaces) in cement mortar 1:4 with integral water proofing compound finished even and fair complete all as specified and as directed. Note: - Water proofing compound will be deemed to included in qoated rates.

M&L for applying three coats of white wash on newly plastered wall surfaces including preparation of surface complete all as specified and directed.

S & F hot rolled low tensile structural steel of grade E165 as per IS 15911: 2010 as in hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embedding in concrete and screwing etc. Wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar works complete all as specified and as directed.

S & F hot rolled medium and high tensile structural steel of grade E165 as per IS 15911: 2010 as in framed work such as grills, grating, etc., with ends of bars of shouldered and/or riveted, or forged into spikes, framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework water tanks and similar work complete all as specified and directed by Engineer-in-charge.

S&F flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

S&F MS screw bolt (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc. 5 cm and n. exc 10 cm long, diameter of neck 5 to 10 mm complete all as specified and directed.

INSURANCE: The Bidders shall also insure the workmen employed on the job.The Bidders shall be responsible for all Accidents/Injuries happening to the workmen. Any accident causing minor/fatal injury, partial disability due to any untoward incident or non-adherence to safety and IE regulations or fault in maintaining of internal electric supply system or on account of any mishandling/ wrong operation/ lack of knowledge of safety precautions or on account of any circumstances beyond his/ their control, the bidders shall be solely responsible for settling all claims of compensation to the deceased, falling which department will have a right to recover any sum indicated/ claimed by Labour commissioner/court authorities. No claim whatsoever will be entertained in this regard. No compensation is payable by the department on this account. Bidders shall provide first aid boxes to meet any emergency situations.

S&F 10mm round bars Fe-410-W (Gde-250) quality-A or Fe-290-(Gde-E-165) as in stiffner to hold the chain link fencing fixed with angle iron post inclucinding necessary welding and fixing arrangement at ends complete all as specified and directed .

Material and Labour for applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on new steel and iron surface exceeding 10 cm in width or girth including preparation of surfaces complete all as specified and directed.

Material and Labour for applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on new steel and iron surface not exceeding 10 cm in width or girth including preparation of surfaces complete all as specified and directed.

(viii) Advanced event detection features for voltage, current and magnetic influence (ix) Meter reading in absence of mains, using internal battery. (x) Power Manager Device Nano type with 4 inverter support with energy monitoring, zero export control, Load Management having RS-485 communication port, ethernet including RS 485 cable core size 0.5-1.5 Sqmm to establish communication between inverters, SCADA and sensor as per OEM recommendation with and including all connected accessories deemed to be included quoted rates. (xi) Digital WIND SPEED SENSOR with minimum 3 cup Anemometer range 0 to 70 Mtr/ Sec distance constant 2.5 Mtrs output TTL Pulses output proportional to wind speed and diameter of cup 50mm with brass housing and stainless stell shaft (xii) WIND DIRECTION SENSOR with wind vane and sensing vain coupled to linear endlsess potentio meter IP 67, range 0-357degrees, operating temperature -40 to +60 degrees celsius with brass housing and stainless stell shaft and aluminium vane complete

(L) Step up solar transformer (800 volt/11 KV)” - Design,procure,erection, installation, testing and commisioning including connecting to local utility grid : Oil filled Type 3 phase, 50 Hz, ONAN cooling type, vector group of appropriate type, number of load voltage Ratio : number of Phases / Freq.: 3 Phase / 50 Hz., Sealed type Copper wound Transformer with Off Load Tap Changing Arrangement on HV side in steps of 2.5% , +5% to -10% having cable end boxes on HV side suitable for 3 Crore X 300 Sq. mm. XLPE cable of 11 kV grade on HT side and LV side complete with all accessories like buchholz relay, Oil temperature indication, winding temperature indication and alarm etc preferbly DMCR Protection Relay i/c first filling of filtered dehydrated K Class natural Ester Oil bioTransol (as per IS 16659) and confirming to IS 1180 and losses shall be as energyefficiency Level 3 only & 100% load phase, with an impedence of 6.25% i/c as per specification below complete in all respects as required at site. Design ambient to be considered as 50 Deg C.All the balance parameter like temp rise, Basic insulation level, flux density etc shall be strictly in accordance with IS 1180 Part - 1 only including necessary earth work, PCC plinth foundation etc. Heat Run Test is the mandotary test for each Transformer. Standard: The equipment shall conform to the latest edition of applicable standards as follows. In case of conflict between applicable standards and this specification, this specification shall govern. • IS 2026 Standard for Oil filled Transformer • IS:3639 for Fittings and Accessories • IS:2099 for Bushings > 1000 V • IS:7421 for Bushings < 1000 V • IS:1271 for Electrical Insulation classified by Thermal stability • IEC 62770 Natural Ester Oil • CBIP Guidelines

(vii) Power consumption:- Voltage circuit: Less than 1.5 W and 10 VA per Phase at reference voltage, reference temperature and reference frequency Current circuit: Less than 1 VA per phase at basic current, reference frequency and reference temperature (viii) Display type: 8 digit 7 segment backlit LCD display, not less than10 mm character height (ix) Display in the event of Power Failure: Internal battery back-up for LCD display (x)Communication port: Galvanically isolated Optical Communication port for data transfer through either CMRI or remote device or both is provided with RS 485 for DLMS protocol (C) CT/PT operated energy meter with following features (i) True four quadrant metering (iii) Time and day metering with maximum demand registration and automatic billing (iv) LCD display with announciators for various critical events (v) Scroll lock feature for continuous display of a desired parameter on display (vi) High resolution energy display mode for dial test (vii) DLMS protocol for meter reading, with option to remote reading port.

(xiii) AIR TEMPERATURE SENSOR with RTD sensing element PT100 mounted inside a weather shield duly coated with weather proof reflective white paint , range -40 degree to +60 degree celsius with nylon body housing with weather shield and brass stem to mount the sensor, including power requirment 5 Volt DC complete. (xiv) MODULE TEMPERATURE SENSOR Model PT 1000 measuring range -40 Degree to + 80 Degree Celcius with suitable ouput as required and directed on site and mounting on RTD encapsulated in suitable housing including connecting cables as required complete. (xv) Tipping Bucket Rain Gauge with Magnet and Red Switch type Sensing, rim diameter 203 mm and collecting are 335 MM SQ, Rain gauge shell made up of FRP bucket and mounting made up of stainless steel SS316 and unlimted capacity, including connecting cables as required complete. (xvi) SOLAR Radition Sensor ARN 8101 with 72 element thermo pile sensor and spectral range 0.3 to 3 Micro Mtrs and sensitivity 20 Micro Volt/ W/M², range 0 to 1500 W/SQM & output 0 to 25 milli Volt and operating temp -10 to 70 Degree Celsius including connecting cables as required complete with all fixing arrangment and necessary civil work complete with including all connected accessories as per OEM recommendation/Design complete:

(v) The inverter shall adjust voltage and frequency levels to suit the grid. (w) The inverter shall be self commulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronise maximum with in one min. (x) Maximum Power Point Tracker (MPPT) confirming to IEC 62093 shall be integrated in the inverter to maximise the energy drawn from the PV arra

y (y) Monolithic design of inverter is not permitted. (z) Shall have anti-Islanding features. (aa) The inverter shall have suitble nos of protected inputs (asper design) and outgoing shall be protected by ACB/MCCB. (ab) The inverter should have MODBUS, PROFIBUS, ETHERNET common ports. (ac)The inverte rshall include appropriate self protection and self diagnostic features to protect itself and the PV array fromthedamageintheeventof invertercomponent failureor fromparametersbeyondtheinverterssafeoperatingduetointernaland/orexternalcauses. Invertershallhaveprotectionarrangementagainst ground leakage faults, over voltage, (SPD) & over current. Inverter shall have arrangement for adjustment for adjusting DC input current and shall trip against sustainable fault down stream and shall not restart till fault is rectified. (ad) The inverter should have provisions of Galvanic isolation, anti-islanding protection (IEEE 1547/UL 1741) equivalent IS and lightening. (ae) PCU must have the feature to work in tandem with other similar PCUs and be able to be successively switched ON and OFF automatically based on solar radiation variations during the day. (af) Minimum Warranty of Inverter- 12 (Twelve) Years and defect liability period deemed to amended accordingly for the said item.

Sch 'A' Part-II (Phase-II)

Providing Services for Manning and Operation of Solar Power Plant 0.8 MWp near 33 KV receiving station at Sevoke Mil Station for FIRST YEAR after completion of Ph-I of the subject work with one skilled category Electrician having certificate of "Surya Mitra" from NISE) for two shifts of 8 hour, one helper (semi-skilled category) in two shift of 8 hrs each continuous operation (including Sunday/Holiday) to maintain sub station in/out side Panels, Invertor, DC junction box, VCB as specified, including daily and weekly check up including cleaning of PV modules complete with suitable cleaning cloths etc , upkeeping the installation operational and in health condition, having own conveyance and communication system like mobile etc. complete, for Solar Power Plant with all minor consumable and expendable items and labour and tools for smooth and efficient operation complete all as specified and directed by Engineer-in-Charge. Make of spare parts / equipments of the Solar Power Plant :- Same as installed in the preceding phase of the work. Repair or replacement of defective components or spare parts will be carried out free of cost under DLP and comprehensive Maintenance as per OEM recommendation up to DLP period included in BOQ item No. 1.00. The Contractor may submit his claim for every months on pro-rata basis subject to condition 64 of IAFW-2249 (General Conditions of Contracts) The bidders shall ensure that the quoted amount for O&M is not less than minimum fair wages i.e. quoted amount is not less than the prepriced amount i.e. Rs 17,92,949.00. If quoted amount is less than the prepriced amount, same will be amended to pre-priced amount. Amount so adjusted will be deducted from quoted amount against Sch 'A' Part-I i.e. Item No. 1.00 of BOQ. Quoted Amount of tender as a whole will remain unchanged due to this adjustment. Item Continued as 56.02 to 56.06

INCOMINGS & Outgoing VCBs : Type : Air insulated VCB, autoreclosing, system voltage :- 11kV + 5%, 50 Hz+ 5%, 3 phase, rated voltage : 12kV, rated current : 800A in 40 ° C ambient, Short time rating for 3 sec : 26.3 kA, Short Circuit Making Current : 65 kA, insulation level (PF rms/ impulse peak) : 35 kA/75kA, System Ground : Solidly Earthed,Duty Cycle : 0 - 0.3 sec - CO - 3 min - CO, Break/ Make time :- Not more than 5 Cycle, Range for Auxiliary voltage for Closing / Tripping / Spring Charging : 85-110%/ 70-110%/85-110%. of rated voltage. The VCB must withstand 10000 mechanical, & 100 at rated short circuit current. The breakers should have auxiliary contact 6 No+ 6 NC, in minimum. The used Breakers will comply with IEC 62271/ IS 13118. Qty. - 3 Nos (1 no Incomer & 1 outgoings) Busbar: Rated Current : 800A @ 40°C ambient, Material : Silver Plated /Tined , High conductivity elecrolytic Copper Bus Bar sleeve :Heat Shrinkable PVC Sleeve with joints having full voltage soft PVC shroude Short time rating for 1sec :26.3kA -1 set Current Transformer: Voltage class: As specified in Circuit breaker ; Type: cast resin type, Dual core, Dual Ratio , Barden :10VA; Class insulation : Class' E' or better . Protection core: 5P10, Metering : 1.0 , Short time rating for 1 sec :26.3kA Ratio :300-150/1-1, 7 sets Bus Potential Transformer: Rated Voltage : Primary - 11000 / ✓3 , Sec -110✓3; Type : Cast resin , draw out type, 3- phase , 3-limb complete

with HV fuses . Barden : 100VA per phase ; Class of insulation : Class 'F' or Better , Accuracy Class: 1.0;Rated Voltage factor : 1.2 continuous, 1.5 for 30 Secs. PT should be drawnout type and serivce continuously shall be indepandent of Breaker trolly position...1set

Design, Manufacturing, Supply, Installation, Testing and Commissioning of 3 way 12 kV rated Ring Main Unit of with Fault Level 21KA 3 sec internal ARC 1 sec for tank and cable box , consisiting of 630A 12 kV rated , 2 nos motorized type VCB as incomers & 1 load break switch as outgoings with metering modules along with necessary Earth Switches, battery and battery charger for shunt trip arrangement and Motor and other auxiliary circuit operation, HT Copper Bus bar with current density not more than 1.6A/sq. mm as per detailed description as follows: RMU Construction: The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure to ensure the insulation and breaking functions. Sealed for life, the enclosure shall meet the "sealed pressure system" criterion in accordance with the IEC 62271-1 standard (§ 3.6.5.4): "a volume for which no further gas processing is required during its entire expected life”. In addition, manufacturer shall confirm that maximum leakage rate is lower than 0,1 % / year. It shall provide full insulation, making the switchgear insensitive to the environment (temporary flooding, high humidity...), IP67 degrees of protection in accordance with recommendation IEC 60529 § 14.2.7. No SF6 gas handling required at site. Thus assembled, the active parts of the switchgear shall be maintenance-free and the switchboard shall be low-maintenance. The switchgear operating mechanism shall have an IP2X protection and cable chamber shall be IP55, Over all IP protection shall be IP55 . The tank shall be made of at least 2mm unpainted stainless steel. Item Continued as 3.01 to 3.05

HT CT /PT : Load Break Switch - 11 KV, 630A, 21KA for 3sec Motorized Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current. LBS & Earth Switch should have separate apertures for operation. i) One set of 03 nos. ( for 3 phases) dual core Cast Resin CTs for Each incomer VCB complying with IEC:60185 & IS 2705 ( along with latest amendments) , Core -1 - 400-200/1 A , 2.5 VA, Cl 0.5 for metering ; Core-2 - 400-200/1 A, 2.5 VA , 5P10 for Protection. ii) 01 no. of 03 phase Dual Core PT for HT bus ( 11 kV) with protection HRC fuse Core 1- 11kV /√3 / 110V/√3, Cl 0.5s, 50VA Core 2- 11kV /√3 / 110V/3, Cl 3P, 50VA (iii) Multifunction Meter: 2 Nos. 3 phase Digital Multifunction Meter 6400NG with Voltage, Amps, kWh, kW, P.F., Active, reactive, apparent energy , disturbance direction detection, Individual harmonic up to the 63rd harmonic. at least 256 samples/cycle with ethernet Port with inbuilt webserver and complying to IEC 61557-12, IEC 62053-22 certified by third party laboratory.for each VCB panel ( 96 mm x 96 mm) , Flush mounted, Class 1 conforming to IEC 62053-22 ( along with latest amendments).

Comprehenisve maintenance of Solar Power Plant 0.8 MWp for FIRST YEAR after expiry of DLP of Ph-I of the subject work with including periodical Check up and maintenance as per OEM recommendation & connected accessories through Authorised Original Equipment Manufacturer's Service Centre Engineers or through OEM Ce

rtified Agencies as approved by GE, complete all as specified and as directed. NOTE :- (a) Service engineer will carry scheduled preventative maintenance checks on SPV as per the standard check list of the OEM (b) Service engineer shall carry out checks on Solar Plant, as per the manufacturer’s check list and as directed by Engr-in Charge and would correct / recommend / suggest improvement in operation and performance. (c) Service Engineer during the visit will report on the performance or any other abnormality and inform parts requirement, shall also submit the report on work done and recommendations as well as spare parts offers to the concerned authority for arrangement. (d)Cost of equipment and spare parts which is not covered in warranty and DLP shall be measured in PC Sum and cost of item priced upto ₹500.00 shall be deemed to be included in the comprehenisve maintenance quoted cost. Repairs of minor components any other major components are also in the scope and cost of labour for minor / major components is deemed to be included in the quoted rate for this item. (e) Cost of gaskets, metal/rubber washer, CI washer special cement and small nuts/bolts and screws required for repair shall be deemed to be included in the unit rated quoted by the contractor.

Comprehenisve maintenance of Solar Power Plant 0.8 MWp for THIRD YEAR after DLP of Ph-I of the subject work with including periodical Check up and maintenance as per OEM recommendation & connected accessories through Authorised Original Equipment Manufacturer's Service Centre Engineers or through OEM Certified Agencies as approved by GE, complete all as specified and as directed. NOTE :- (a) Service engineer will carry scheduled preventative maintenance checks on SPV as per the standard check list of the OEM (b) Service engineer shall carry out checks on Solar Plant, as per the manufacturer’s check list and as directed by Engr-in Charge and would correct / recommend / suggest improvement in operation and performance. (c) Service Engineer during the visit will report on the performance or any other abnormality and inform parts requirement, shall also submit the report on work done and recommendations as well as spare parts offers to the concerned authority for arrangement. (d)Cost of equipment and spare parts which is not covered in warranty and DLP shall be measured in PC Sum and cost up to Rs. 500.00 shall be deemed to be included in the comprehenisve maintenance quoted cost repairs of minor components any other major components are also in the scope of Annual Maintenance Contract. (e) Cost of gaskets, metal/rubber washer, CI washer special cement and small nuts/bolts and screws required for repair shall be deemed to be included in the unit rated quoted by the contractor.

Comprehenisve maintenance of Solar Power Plant 0.8 MWp for FORTH YEAR after DLP of Ph-I of the subject work with including periodical Check up and maintenance as per OEM recommendation & connected accessories through Authorised Original Equipment Manufacturer's Service Centre Engineers or through OEM Certified Agencies as approved by GE, complete all as specified and as directed. NOTE :- (a) Service engineer will carry scheduled preventative maintenance checks on SPV as per the standard check list of the OEM (b) Service engineer shall carry out checks on Solar Plant, as per the manufacturer’s check list and as directed by Engr-in Charge and would correct / recommend / suggest improvement in operation and performance. (c) Service Engineer during the visit will report on the performance or any other abnormality and inform parts requirement, shall also submit the report on work done and recommendations as well as spare parts offers to the concerned authority for arrangement. (d)Cost of equipment and spare parts which is not covered in warranty and DLP shall be measured in PC Sum and cost up to Rs. 500.00 shall be deemed to be included in the comprehenisve maintenance quoted cost repairs of minor components any other major components are also in the scope of Annual Maintena

Note : (i) Design of earth electrode should be of pipein-pipe technology . (ii) Contractor have to submit literature of earth electrode and get the make approved of GE before procurement. (iii) The earth electrode shall be CPRI tested to withstand short current test for 60kA rms for 1.0 second and 150kA for peak current.(iv) Contarctor has to fill pure back fill compound conductolite all around the earth electrode in 300 mm bore up to full depth of bore.(v) Contractor shall refill the pit with low resistivity soil (agriculature soil ) free fron stone etc and mixed with 06 bags of Bentonite of 25 Kg each to achive the low resistance values. (vi) copper strip will be laid below 60 cm from ground level and connected to test point through plinth protection. This Earthing System used for VCB and RMU only. For Solar Power Plant Earthing System is already deemed to be included in quoted rates. (vii) Necessary cost of repair to plinth protection and connected plate and earth continuity conductor by providing 2 x brass nuts bolts and brazing of joints, bringing argiculture soil from out side defence land and cost of

6 x Bags of bentonide deemed to be included in the item rate. (viii) Contractor has to clear the side and disposed off the excavated soil from pit on completion of work.