CA NO CE CHZ CHM T 06 2025 26 PROVISION OF ROOF TOP SOLAR PLANTS TOTALLING 500 kWp AT CERTAIN BUILDINGS AT CHANDIMANDIR

Amount

Designing, surveying of site, supplying, Installing, testing and commisioning of ON GRID roof top solar plant of capacity 300 KW (AC) including civil/ electrical infrastructure of size as per design recommendation for housing inverter, electrical / electronic equipment associated with solar plant as per latest IS at CMDC (WC) Chandimandir comprising of following :- Note :- Minimum technical requirements/standards for SPV systems/ plants to be deployed as per ministry of new and renewable energy are mandatorily to be complied with in the design. Some of these are narrated here-in-after. for other details website/publications of MNRE may be referred.

SOLAR PV MODULES: A) The Make of PV modules shall be as per approved ALMM list of MNRE, must confirm to the latest edition of IEC/ equivalent BIS Standards for PV module design qualification and type approval: (i) Crystalline Silicon Terrestrial PV Modules : IEC 61215/IS14286. (ii) Thin Film Terrestrial PV Modules : IEC 61646 /Equivalent IS. (iii) Concentrator PV Modules & Assemblies : IEC 62108/Equivalent IS. (iv) In addition, the modules must confirm to IEC 61730 Part 1-requirements for construction & Part 2- requirements for testing for safety qualification or Equivalent IS PV modules corrosive atmosphere : IEC-61701 / BIS 61701 and PV modules in sandy environment : IEC-600068-2-68

(B) Specifications of PV module : (i) Silicon Crystalline SPV cells shall be used in the Solar Photovoltaic module. (ii) Minimum Peak power Rating 545 W (DCR). (iii) Minimum Module efficiency - 21.13 %. (iv) Fill Factor - 0.7. (v) Performance ratio - greater than 75%. (vi) Transmittance - Above 90%. (vii) Bending - Less than 0.3%. (viii) Minimum current Imp – 12.98 A. (ix) Minimum voltage Vmp – 42.01 V. (x) Minimum short circuit current Isc – 13.59 A. (xi) Minimum open circuit Voltage Voc – 49.91 V. (xii) It shall be made of high transitivity glass and front surface shall give high encapsulation gain. (xiii) Standard size and weight as per NISE. (xiv) Mc4 connector as per requrement

(C) RF identification tag (RFID) Each PV module must use a RF identification tag (RFID), which must contain the following information: (i) Name of the manufacturer of PV Module. (iii) Month and year of the manufacture (separately for solar cells and module). (iv) Country of origin (separately for solar cells and module)- Made in India only (DCR type). (v) I-V curve for the module. (vi) Peak Wattage, Im, Vm and FF for the module. (vii) Unique Serial No and Model No of the module. (viii) Date and year of obtaining IEC PV module qualification certificate. (ix) Other relevant information on traceability of solar cells and module as per ISO 9000 series. (x) Mono Bi- facial (Top CON N type) low iron tempered glass 2.00 mm thick in front and back side, made of anodized aluminum alloy (6063,temper T5, silver colour), junction box confirming to IP 68. NOTE: RFID shall be mandatorily place inside the module laminate.

(D) General requirements for PV module: (i) PV modules must qualify (enclose test report/ certificate from IEC /NABL accredited laboratory) as per relevant IEC standard Additionally the performance of PV modules at STC conditions must be tested and approved by one of the IEC/NABL Accredited Testing Laboratories. Qualification certificate from IEC/NABL accredited laboratory as per relevant standard for any of the higher wattage regular module should be accompanied with the STC report/ certificate. For details of Test Labs refer Ministry of New And Renewable Energy website. The report submitted should not be older than 5 years. (ii) PV modules used in solar power plants/ systems must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. If not then the SPV will replace immediately without any cost. (iii) All materials used shall have a proven history of reliability and stable operation in outdoor application. It shall perform satisfactorily in relative humidity up to 85% with temperatures between (-) 10 degree C and (+) 85 degree C and shall withstand gust up to 180km/hour on the surface of the panel. Each and every SPV module shall be checked for conformity with relevant standard and no negative tolerance shall be accepted. (iv) The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions. (v) The module frame is made of corrosion resistant materials,having aluminum anodized finish with suitable min thickness as per designer/OEM. (vi) The minimum clearance between the lower edge of the modules and the roof level shall be 400 mm . The panel shall be fixed at tilt angle considering the latitude of proposed location for maximum utlization of solar energy (vii) The module shall be provided with a junction box sealed type factory fitted 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 with IP65 rating. (viii) DCR PV panel shall be used.

GRID TIED INVERTER : Design, supply, installation, testing & commissioning of Solar Grid Connected multistring type inverter of suitable capacity in suitable Nos as per OEM/design(Total capacity of inverters shall not be less than 300 KW), invertor shall designed to give maximum yield for installed capacity , three phase, AC operated complete with following features complete all as per specified and directed following data / details. (a) General Specifications : (i) BIS / IEC Certified (ii) Built -in DC Switch (iii) LCD /LED Display (iv) Communication : Network logistics and string system (v) Warranty - 10 Yrs. (vi) Safety Standards. (vii) BIS Certified. (viii) MPPT trackers (b) INPUT DATA DC : (i) Max recommended DC power should be 50% more than the inverter capacity (ii) Max DC volts - 1100 V, start up voltage - 200 V (iv) MPPT range - 140 V - 1000 V (v) Rated input voltage - 625 V Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

(c) OUT PUT DATA AC: (i) Rated power AC - AS per plant capacity (ii) Power factor - unity as default and 0.9 leading to 0.9 lagging (iii) Max output current As per plant capacity (d) Protection (i) Anti Islanding (ii) DC Rev Polarity. (iii) Over Temperature (iv) Leakage Current (v) Over Voltage (vi) Over Current (vii) Eearth Fault Current (viii) Surge Protection

ACDB : Outdoor type powder coated weather proof, vermin proof made out of 3.15 mm thick CRCA sheet front openable door, locking arrangement, including suitable working space in ACDB busbar chamber, cable box chamber including aluminum 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 Adjustable Thermal and magnetic for outgoing. (ii) MCCB 4P Adjustable Thermal and magnetic for incoming. (iii) AC type 2 Surge Protection Device (iv) Spreader Terminals as per requirement (v) Multifunction meter for measurement of V, I, KWH, KVAH & PF etc. (vi) CT of ratio 630/5 Amps . (vii) Aluminum busbar chamber Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

DCDB :- Outdoor type powder coated, weather proof, dust proof, vermin proof made out in 3.15 mm thick CRCA sheet , front openable 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 requrement. (ii) Fuse as per requrement. (iii) Aluminum busbar chamber Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

CABLES & WIRES :- All cables and wires required to make the system fully functional with adequate loop to be provided. The laying of cables will be as per standard norms to include excavation in trenches, sand cushioning, refilling, removing of surplus soil and brick protection cable cover/ cable tray where ever required to lay the cables. The laying of wires will be as per standards including mild steel conduct etc. Specifications for DC cable :- (a) Conductor material : Annealed tinned copper conductor (b) Max PV system voltage (D.C) : 1500 volts (c) Ambient temperature range : - 40 °C to + 80 °C (d) Max conductor Temperature at termination of short circuit : 250 °C. (e) DC cable shall be woven double twisted, hexagonal shaped Zn + PVC coated wire mesh type 80 x 100mm of wire 3.70mm dia as per IS 16014. (f) Cable Batch No/Drum No 1and code & size make shall be printed /embossed at every one meter. (g) Type of conductor : As per class 5 according to EN 60228/IEC 60228. (h) Insulation material : Chemically cross linked XLPO. (j) Type of insulation : According IEC 60502-1, EN-50363-1 (k) Nominal thickness of insulation : 0.80mm (l) The cable should be compatiable upto the life of solar PV panels i.e. 25 years. (m) Suitable size cable tray for laying of cable AC/ DC will be included in overall cost quoted. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

MODULE MOUNTING STRUCTURE :- (a) Suitable mounting structure Fixed type without tracking component for SPV module shall be provided as per design criteria considering line load, dead load, wind load ,as per the location and as per the guidelines. (b) Structure shall be fixed to roof as per design. Sealing compound (epoxy/PU based) shall be used at roof and Module mounting structure (MMS) junction. PCC (1:2:4) block of suitable size shall be made all around the roof and MMS junction. Plaster benching (min 1:3) with water proofing compound shall be made all around PCC block. APP water proofing treatment shall be done from top of PCC Block to existing roof. All items of civil work for bonding of new APP treatment to existing treatment shall be demed to be included in quoted rates. (c) The frames and leg assemblies of the array structures shall be made of MS hot dip galvanized. Minimum thickness of galvanization should be at least 80 microns. (d) All fasteners shall be of Stainless steel – SS 304, Nut & bolts, supporting structure including module mounting structures shall have to be adequately protected against climatic condition. (e) The mounting structure suitable for PV module should with stand minimum horizontal wind speed of 180 Km/hr. (f) The structure should be designed to allow easy replacement of any module and shall be in line with site requirement (g) Two number of anti theft fastner of stainless steel on two diagonally opposite corner of each module shall be provided.

(h) The MMS stub/column, rafter, purlin, ties and bracing members shall conform to following Indian standard : IS 2062 -Hot rolled medium and high tensile structural steel , IS 811-Cold formed light gauged structural steel section , IS 1161 –steel tube for structural purposes, IS 4923- Hollow steel section for structural use. Minimum grade of steel sections for conforming to IS 811 and IS 4923 shall be E350 conforming to IS 2062 and Y 310 conforming to IS 1608 respectively. Note – (i) The contractor shall submit design of Module mounting structure including inclination duly approved by NIT/IIT shall be at par with location of Chandimandir Mil Station. (ii) Approval of document neither relieves the vendor/contractor of his contractual obligation and responsibilities for correctness of design drawings, dimension, quality and specification of materials weights quantities assembly fits, sysytems/ performance requirement and confirmily of supplies with technical specification. (iii) Any necessary item required for functioning of SPV but not catered in the contract will be deemed to be included in the quoted rate and nothing extra will be admissible on this account. (iv) Fixing arrangement of \mms on roof shall be as per design. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

BOS (BALANCE OF SYSTEM) items / components of the SPV power plants/ systems deployed under this project must confirm to the latest edition of IEC or equivalent BIS Standards/ MNRE specifications and as specified of MINIMAL TECHNICAL REQUIREMENTS / STANDARDS FOR SPV SYSYTEMS / PLANTS TO BE DEPLOYED as specified UNDER THE PROGRAMMES OF MINISTRY OF NEW AND RENEWABLE ENERGY available on MNRE website. (i) Test certificates/ reports for the BOS items/ components can be from any of the NABL/ IEC Accredited testing Laboratories or MNRE approved test centers. The list of MNRE approved test centers will be reviewed and updated from time to time. The list as applicable as on last date of receipt of tender shall be treated as applicable for this tender. (ii) All items to integrate all the small and large equipment's requirement for the commissioning of the Solar Power Plant shall be included. All the equipment's including cabling and the installation methodology are followed as per the installation guidelines and manuals by the Panel & Inverter manufactures. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

Earthing : Maintenance free chemical earthing comprising of suitable Nos of earthing with specifications given: (a) Copper earth rod of min size 17.2mm dia x 3 mtr long, ISI marked and IEC 62561-2:2018 certified. (b) Fixing of copper strip as per design (minimum size 25mm x 3mm) (c) Use of excel electrofill plus compound (IEC 62561 - 7: 2018 certified) mixed with soil having adequate moisture retention copability to a depth of approx one metre from the bottom the pit. (Approx-40 kg). (d) Addition of carbon based RoHS & TCLP- certified electrofill compound (high conductivity), mixed with soil and water to form a slurry and filled upto 35 percent of the pit depth above the base compound layer (Approx-40 kg). (e) Add gravel at the top of the portion for easy passage of water and removal of air bubbles at the time of filling of electrofill plus excel compound is necessary for easy dissipation of fault current. (f) Fixing of PVC earth pit chamber of size 24 x 24 cm with M8 SS 304- grade nut and bolts all as specified. (g) FRP earthing display board 254x 380mm made out of plastic material showing information related to type of earthing, earthing result, due data of plastic hollow pipe of 20mm dia. Note- Cost of earthing and excavation refilling, removing of surplus soil incl in rate quoted. (h) Earthing system including earth strips/ cables etc for earthing of solar PV module/ Array etc as per latest IS/MNRE norms to be provided and the cost of the same is to be included in overall cost no extra amount will be found to the contractor on this account. (j) All the equipments including PV modules, Module mounting structure (MMS), Inverters and string monitoring unit structure in PV array field shall be connected to properly earthing as per the relevant norms. (k) Each PV module frame shall be earthed using copper wire suitable size as per design. (l) ACDB, DCDB panels shall be provided with suitable numbers of earthings (as per indian electricity rules) to achieve desirable earth resistance.

Lightening Protection Lightining Arrestor of the required number of suitable Early Streamer Emission (ESE) lightning arrestors in the amay field. Lightning arrestors/surge arrestors shall conform to NFC 17-102 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units, self-supporting construction, suitable for mounting on lattice type support with the following:- (i) The air terminal should be capable of racking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. (ii) The air terminal is Early Streamer Emission (ESE) type which shall be fixed at the top of a GI elevation pole with base so as be at least 2 meters above the structure to be protection. Its height above top of solar pannel would be dependent on the level of protected and the protection radius required (iii) The air terminal should be working on the principle of early streamer emission using non-radioactve technology, needing no external power source. (iv) The air terminal is stainless steel and it has qualified diameter to resist high values of lightining currents. (v) Roof connecting pipe should be capable of withstand in lightning strikes having dimension/dia as per design. (vi) The lightening protection system shall also include lightening counter as well as down conductor of PVC insulated cable of suitable cross section and length for connection with earthing electrode. (vii) This shall be accompanied by vertical installation of required earth electrode of copper and backfill of standard chemical used in maintenance free earthing to archieve the desired result of less than 1 Ohm. Note:- Suitable nos of lightening arrestor for each rooftop solar plant shall be provided

Weather Monitoring System Comprise of :- (A) Pyranometer : The pyranometer (ISO 9060 classification ) alongwith necessary assessories for measuring incidental solar radiation at horizontal and inclined plane of array. The pyranometers shall have following specifications: - (i) Class-II (ii) Spectral Response- 0.31 to 2.8 micron. (iii) Sensitivity- Approx. 9 micro-volt/w/m2 (iv) Time response (95%): Max 15 s (v) Non linearity: ±0.5% (vi) Temperature Response: ±2% (vii) Temperature Response= Max ±2% (viii) Tilt error: ±0.5%. (ix) Zero offset thermal radiation: ±7 w/m2 (x) Zero offset temperature change ±2 w/m2 (xi) Operating temperature range: - 40 deg to +80 deg. (xii) Uncertainty (95% confidence Level): Hourly- Max-3% (xiii) Daily- Max-2% (xiv) Non stability: Max ±0.8% (xv) Resolution: Min + / - 1 W/m2 (xvi) Input Power for Instrument & Peripherals: 230 VAC (Ifrequired) (xvii) Output Signal: Analogue form which is compatible withthe data. The instrument shall be supplied with necessary length of cable, calibration certificate, traceability to world radiation reference (WRR) or world rediation centre shall be furnished alongwith the equipment. Note: One Centrally located pyranometer shall be provided for the whole project. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

(B) Temperature sensor : It shall include temperature sensor for ambient temperature measurement with shielding case and for module temperature measurement. The temperature sensor shall be resistance temperature deductor (RTD) /semi conductor type with measurment range suitable for site climatic conditions. The instrument shall have valid calibration certificate. Note: Temperature sensor shall be provided for each solar roof top plant. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

(C) Anemometer: It shall include 01(one) No ultrasonic wind sensor for wind speed and direction monitoring with following specification: (a) Velocity range with accuracy limit : 70 m/sec with +/-2% accuracy at @ 13 m/s, resolution 0.01 m/s (b) wind direction range with accuracy limit :0 to 360 degree (No deed band) with plus/minus 2 degree accuracy @ 12 m/s and resolution 1 degree (c) Mounting bracker: Anodised aluminium bracket to reduce corrosion all mounting bolts of SS. (d) Protection class :IP66 (e) output : RS232 and RS485. Note: (a) Anemometer shall be provided for each solar roof top plant. (b) 01 centrally located weather monitoring system with necessary interface & software, communication modules, storage units etc to be connected with local system. Make: As per recommendation of OEM for SPV Modules and approved by Accepting Officer.

DATA LOGGER (REMOTE MONITORING SYSTEM -RMS): (i) Contractor shall provide necessary licensed software and hardware solution to offer monitoring of electrical parameters of grid and solar generator monitored at individual inverter level over remote web server. Contractor shall provide all necessary accessories like power supply, connection cords, sensors, active SIM card with appropriate data plan etc. so as to make the system complete in all respect. (ii) Inverter shall have local data logging and communication through Bluetooth and Wi-Fi or Ethernet port.

Metering Arrangement (a) Suitable bi-directional metering arrangement with recording facility shall be provided. The metering arrangements must have features to measure and record:- (i) Parameters of KW KWh, KVAR, Voltage, current, PF and any other metering required to determine efficiency of the system. (b) LT 3 Phase 4 Wire Electronic Tri Vector Meter with CT ratio should be as per capacity of SPV plant (i) Standard : IS 14697 : 1999/CBIP 88 (ii) Accuracy : Class 0.5 (iii) The metering arrangement shall have in-built DG synchronisation features (iv) Reference Voltage – 3x240V (v) Basic Current (Ib) – 5A (vi) Maximum continuous current (Imax) – 10A (vii) Rated Frequency (variation) – 50 Hz (+ 5%) (viii) 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. (ix) Display type : 8 digit 7 segment backlit LCD display, not less than 10 mm character height. (x) Display in the event of Power Failure : Internal battery back- up for LCD display. (xi) 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 (ii) Time and day metering with maximum demand registration and automatic billing. (iii) LCD display with announciators for various critical events. (iv) Scroll lock features for continuous display of a desired parameter on display. (v) High resolution energy display mode for dial test. (vi) DLMS protocol for meter reading, with option to remote reading port. (vii) Advanced event detection features for voltage, current and magnetic influence. (viii) Meter reading in absence of mains, using internal battery.

General Notes:-The items of work mentioned in items 01, 1.10 to 1.19 of this schedule shall be executed as per following :- (i) Contractor shall submit the complete design of solar photovoltaic plants systems duly vetted by IIT/NIT within four weeks after acceptance of tender supported with detailed drgs to CE for approval before execution work. (ii) The design must ensure minimum power generation of 1200 units/year/KW. (iii) The roof top solar power plant must ensure a minimum capacity utilization factor of 13 % over 25 years calculation of of the same will be submitted alongwith the design. (iv) Blank (v) Surge arresting device to be provided at junction box and module shall be provided with bypass diode. (vi) Contractor shall provide 12 years product warranty on SPV modules and 25 years on site service and power output warranty for the equipment’s from the OEM and shall be submitted to GE before completion of work. (vii) Service Support: On- site service support within 24 hours by OEM authorized service center with at least 05 years of experience and replacement of defective parts within minimum 07 days. (viii) If performance of the SPV is not achieved with the permissible limit, Contractor shall bound to replaced the same with same make/ model and no extra payment will made in this effect. (ix) If the solar invertor as specified here in before is not available in the market , contractor will provide the same of higher capacity as available in the market without any extra cost.

(x) All suitable size copper cables as per load requirement from SPV system to invertor for interconnection purpose shall deemed to be included in quoted rates. (xi) The specific attention of designers and vetting authorities is invited towards the fact that adequate protective measures shall be adopted suitably in design to avoid damage to PV cells. The location for proposed work is HQ Chandimandir and available roof top in two different Bldgs i.e CMDC Bldg & OTM Accn Bldg No P-1065. (xii) The bidder shall carefully design and accommodate requisite numbers of the modules in the available area as per topography to achieve the rated power in his bid. (xii) The bidder shall provide the sample solar PV module electrical characteristics including current-voltage(I-V) performance curves and temperature coefficients of power, voltage and current.The bidder shall provide operation and maintenance mannual, maintenance schedule, test reports/certificates, equipment drgs and specifications after completion of work. (xv) The tenderer should work out design based on the conditions prevalent at Chandimandir area and site conditions as existing with and including following:- (a)This shall be self contained and self explanatory representation of layout of equipments and sub-system. The dimensioned drawing of the site of work clearly marked with all subsystems components etc shall be submitted. (b) Schematic Diagram of the electrical system: This shall contain specifications, sizes, current, voltage and fault levels rating of all cables, switch gears and instrumentation & control systems and all metering and interlocking etc. (c) All the documents/ technical details mentioned above duly vetted as specified above shall be approved by Accepting officer before placing final order. The GE may approve the document with concurrence of Accepting Officer as submitted by contractor or may suggest modification/ alteration in documents/ technical specifications duly supported with reasons for the same. The work shall be executed based on the approval.

(d) The design drawings and other technical details submitted by the contractor, along with all calculations, drawings, technical write ups etc shall become department property. Department may use these subsequently as deemed necessary. The contractor shall have no claim on these document and their subsequent use by the department. (e) During execution the contractor must engage experienced engineer in the same field for supervision, monitoring and execution. The contractor shall certify that execution of the work has been done satisfactorily. The contractor shall certify that the work has been executed in accordance with vetted and approved design. (xvi) Any damage done to the roof treatment of the bldg during the installation of solar power plant will be made good by the contractor. Roof treatment required for the damaged part will be as per existing roof treatment. Quoted rates are inclusive of making good of the damaged roof treatment and no extra cost will be paid on this account. (xvii) ACDB, DCDB panels shall be provided with suitable numbers of earthings (as per Indian electricity rules) as per IS code to achieve desirable earth resistance.

All as per Item No 1, 1.01 to 1.22 above but for roof top solar plant of Cap 200 KW on the roof top of OTM Accn Bldg No P-1065 except the following :- (i) Invertor : Same as the Item No. 1.05 above but total capacity of inverters shall not be less than 200 KW.

Supply, laying and testing cable 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 185 sq mm 3.5 core, complete all as specified.

Supply, laying and testing cable 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 300 sq mm 3.5 core., complete all as specified.

Excavation in trenches in any type of soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth; for laying of cable, poles etc. and getting out, complete all as specified.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each, complete all as specified.

Removing excavated soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point, complete all as specified.

Supply and laying Un-reinforced pre cast concrete cable covers class LV, type-1, flat, of size 250mm x 150 mm x 40mm, complete all as specified.

Material & Labour sand cushioning to under ground cable with dry sand 8 cm thick before laying the cable and 15 cm above the cable, stretching and testing of cable, complete all as specified & directed. Note:- Punned thickness shall be measured and paid.

Supply and laying 100 mm outer dia, double walled corrugated HDPE duct pipe confirming to IS-14930 Part-II with antirodent and non flame propoggating properties of approved colour complete with fitings for cable protection, complete all as specified and as directed.

Supply and laying 3-layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) of outer dia 20 mm UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc, complete all as specified.

Supply and laying 3-layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) of outer dia 25 mm UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc, complete all as specified.

Supply and fix PPR Gate Valves (Brass Insert) of 20 mm bore, complete all as specified.

Supply and fix PPR Gate Valves (Brass Insert) of 25 mm bore, complete all as specified.

Supply and erect Rotational moulded poly-ethylene water storage tanks of cap 1000 Ltrs (cylindrical vertical with closed top) hoisted and fixed in position, with and including all fittings, complete specified in SSR Part I and as directed.

Material & Labour PCC (1:2:4), type B-1, using 20 mm graded crushed stone aggregate for platform of Water Storage Tank and coping for water taps, complete all as specified.

PHASE II (AFTER COMPLETION OF PHASE -I, DURING DEFECT LIABILITY PERIOD OF TWO YEARS )

Outsourcing of services for Manning and Operation (For the first term of 11 months commenced from the next date of completion of Phase I, During Defect Iiability Period) of Rooftop Solar Power plant of Cap 300 KW and 200 KW in CMDC WC Chandimandir and OTM Accn Bldg No P-1065 at Chandimandir respectively by employing one No Electrician (Skilled) for both rooftop solar plants for one shift of eight hours including Sundays and Holidays. The rooftop Solar Power Plant shall comprise of the following :- [a] Solar PV Modules [b] On grid inverters outdoor type [c] ACDBs and DCDBs [d] LT Panels Outdoor type double door [e] Lightening protection system [f] On grid Data Acquistition/Plant monitoring system [g] Water Storage Tanks [h] Water tapping posts and piping for washing of modules [j] AC and DC Cable network and Communication cable network Notes: (i) Minimum qualification for electrician (skilled) is ITI with minimum three years experience or Seven Years experience in handling solar power plant of Cap minimum 1 MW. (ii) Staff employed by the contractor shall carry out daily cleaning , checking/maintenance of equipments as mentioned here-in-before and internal portion of installation and external cleaning all around the installation premises and maintain installation in presentable condition all time all as specified and directed. (iii) Staff employed shall be responsoble for washing of solar modules with the help of running water and wiping and drying the modules completely. The contractor shall provide wipers, washing hose/pipe and cotton clothes to the staff deployed without any extra cost.

(iv) The contractor shall take a printout of Daily Generation report of the 300 KW & 200 KW SPV Plant on A4 size paper and submit to Engineer-in-charge on dailly basis. Also he will keep a record of the same on a register, which shall be made available to Enginner-in-Charge on weekly basis. Providing ink cartridge suitable for the printer and A4 sheets is contractor's responsibility without any extra cost. He will also provide daily log sheets, shutdown register, breakdown register, first aid kit etc to the staff deployed. Daily log sheets, shutdown register and breakdown register duly entered with real time data shall be produced to the Engineer-in-Charge on weekly basis. (v) Any breakdown in the plant shall be intimated to JE concerned and Engineer-in-Charge within an hour of event, otherwise a penalty of Rs. 100/- per hour shall be levied on the contractor. (vi) The contractor shall carry out routine check and maintain log sheet daily/weekly/monthly, upkeep the installation and rectify normal troubleshooting for smooth functioning of installations. (vii) Contractor will mantain log sheet daily and submit to department duly completed along with attendance sheet and payment register. (viii) Shift timing shall be as per directed by Engr in charge. (ix) Contractor shall also provide proper uniform (Winter & Summer) as approved by the GE to operators.if any operator is found without uniform penalty @ Rs. 500.00 per shift per operator shall be recovered from the Contractor. (x) Necessary T&P, ladders, hand gloves (02 sets), tool kits etc for maintaining the services shall be provided by the contractor and cost of the same shall deemed to be included in quoted rates. (xi) The contractor shall abide by EPF, ESI and minimum wages rules imposed and ammended by govt time time to time. (xii) n case of any manufacturing defects occuring in Solar PV modules, inverter, ACDB, DCDB, cables and weather monitoring system, the contractor shall be responsible for getting it replaced from OEM free of cost. (xiii) Recurring charges (if any) on account of GPRS Subscription/software subscription etc will be paid by the contractor.

Description all as per Item No 17.01 to 17.02 above (but for the second term of 11 months after completion of first term, During Defect Iiability Period). The Work Order shall be placed separately.

Description all as per Item No 17.01 to 17.02 above (but for the third term of 02 months after completion of second term, During Defect Iiability Period). The Work Order shall be placed separately.

PHASE III (PERIOD OF FIVE YEARS AFTER DEFECT LIABILITY PERIOD)

Outsourcing of services for Manning and Operation (For the first term of 11 months from the next date of completion of Phase- II) of Rooftop Solar Power plant of Cap 300 KW and 200 KW in CMDC WC Chandimandir and OTM Accn Bldg No P-1065 at Chandimandir respectively with and including making good of all kind of defects by repair/ replacement of required spare parts as the case may be to maintain the designed output of solar plant also by employing one No Electrician (Skilled) for both rooftop solar plants for one shift of eight hours including Sundays and Holidays after completion of work against Phase-II. The rooftop Solar Power Plant shall comprise of the following :- [a] Solar PV Modules [b] On grid inverters outdoor type [c] ACDBs and DCDBs [d] LT Panels Outdoor type double door [e] Lightening protection system [f] On grid Data Acquistition/Plant monitoring system [g] Water Storage Tanks [h] Water tapping posts and piping for washing of modules [j] AC and DC Cable network and Communication cable network Notes: (i) Minimum qualification for electrician (skilled) is ITI with minimum three years experience or Seven Years experience in handling solar power plant of Cap minimum 1 MW. (ii) Staff employed by the contractor shall carry out daily cleaning , checking/maintenance of equipments as mentioned here-in-before and internal portion of installation and external cleaning all around the installation premises and maintain installation in presentable condition all time all as specified and directed. (iii) Staff employed shall be responsoble for washing of solar modules with the help of running water and wiping and drying the modules completely. The contractor shall provide wipers, washing hose/pipe and cotton clothes to the staff deployed without any extra cost.

(iv) The contractor shall take a printout of Daily Generation report of the 300 KW & 200 KW SPV Plant on A4 size paper and submit to Engineer-in-charge on dailly basis. Also he will keep a record of the same on a register, which shall be made available to Enginner-in-Charge on weekly basis. Providing ink cartridge suitable for the printer and A4 sheets is contractor's responsibility without any extra cost. He will also provide daily log sheets, shutdown register, breakdown register, first aid kit etc to the staff deployed. Daily log sheets, shutdown register and breakdown register duly entered with real time data shall be produced to the Engineer-in-Charge on weekly basis. (v) Any breakdown in the plant shall be intimated to JE concerned and Engineer-in-Charge within an hour of event, otherwise a penalty of Rs. 100/- per hour shall be levied on the contractor. (vi) The contractor shall carry out routine check and maintain log sheet daily/weekly/monthly, upkeep the installation and rectify normal troubleshooting for smooth functioning of installations. (vii) Contractor will mantain log sheet daily and submit to department duly completed along with attendance sheet and payment register. (viii) Shift timing shall be as per directed by Engr-in-Charge. (ix) Contractor shall also provide proper uniform (Winter & Summer) as approved by the GE to operators.if any operator is found without uniform penalty @ Rs. 500.00 per shift per operator shall be recovered from the Contractor. (x) Necessary T&P, ladders, hand gloves (02 sets), tool kits etc for maintaining the services shall be provided by the contractor and cost of the same shall deemed to be included in quoted rates. (xi) The contractor shall abide by EPF, ESI and minimum wages rules imposed and ammended by govt time time to time. (xii) Any defects occuring in Solar PV modules, Inverter, ACDB, DCDB, cables and weather monitoring system due to manufacturing defects shall be replaced by the contractor free of cost.

Description all as per Item No 20.01 to 20.02 above (but for the second term of 11 months after completion of first term of Phase -III). The Work Order shall be placed separately.

Description all as per Item No 20.01 to 20.02 above (but for the third term of 11 months after completion of second term of Phase -III). The Work Order shall be placed separately.

Description all as per Item No 20.01 to 20.02 above (but for the fourth term of 11 months after completion of third term of Phase -III). The Work Order shall be placed separately.

Description all as per Item No 20.01 to 20.02 above (but for the fifth term of 11 months after completion of fourth term of Phase -III). The Work Order shall be placed separately.

Description all as per Item No 20.01 to 20.02 above (but for the sixth term of 05 months after completion of fifth term of Phase -III). The Work Order shall be placed separately.

Sunskrity Energy Pvt Ltd (BID ID -3476873)

Su Solartech Systems Pvt Ltd (BID ID -3476110)

SOLLUZ ENERGY PVT LTD (BID ID -3475202)

LEOENTERPRISES (BID ID -3477032)

Classic Signages Pvt Ltd (BID ID -3474483)

WELWAYS ENGINEERS INDIA (BID ID -3474293)