Providing Internal and External electrification , UPS, Diesel Generator, Air Conditioning units and Solar arrangements to new Integrated Commercial Taxes office Building at Theni in Theni District

Amount

Wiring with 2 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe Concealed in wall and ceiling with PVC accessories with Module GI switch box in flush with wall with 6A one way module switch with module front plate and making good of the concealed portion with suitable colour for Concealed PVC Light point / fan point (for electronic regulator) (5 points / Coil) (Higher End)

Wiring with 2 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe Concealed in wall and ceiling with PVC accessories with Module GI switch box in flush with wall with 6A one way module switch with module front plate and making good of the concealed portion with suitable colour for Concealed PVC Light point / fan point (for electronic regulator) (6 points / Coil) (Higher End)

Wiring with 3 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe Concealed in wall and ceiling with PVC accessories with Module GI switch box in flush with wall with 6A two way module switch with module front plate and making good of the concealed portion with suitable colour for Concealed PVC pipe Stair case Light point Higher End.

Supply and fixing of WT bulk head fitting with guard suitable with 7W / 9W LED bulb

Supply and fixing of 24W LED square type Surface mounting fitting (Havells / Integra / Nxt DL / Eq) with aluminium (99% purity) sink, available in square shape PC diffuser in white powder coated finish with built in electronic low THD (<10%) LED driver 6500 KCCT : CRI > = 80 with 1.50 sq.mm PVC unsheathed FRLS copper wire from terminals to the fitting and necessary connection complete.,

Wiring with 3 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable heavy guage MS Conduit pipe on wall and ceiling with MS accessories with MS switch box and 5A Ft Switch (two way) with painting of suitable color continous earth wire connection of 1.5 Sq.mm copper wire for staircase point.

Supply and fixing of single box type 4' 20W LED fitting with CRCA body complete with TW round blocks on wall or ceiling with 20W LED tube with PVC unsheathed FRLS Copper leads from terminals to the fitting. (Higher End).

supply and fixing of 1400mm (56") sweep AC ceiling fan High speed complete with 2 module 100W fan step regulator (Higher end) with 300mm down rod with fan clamp with side plates and cross arm of size 450mm(18")

supply and fixing of 1200mm (48") sweep AC ceiling fan High speed complete with 2 module 100W fan step regulator (Higher end) with 300 mm down rod with fan clamp with side plates and cross arm of size 450mm(18").

Supply and fixing of 300mm (12") sweep (light duty) AC exhaust fan complete without provision of hole in the wall.

Supply and fixing of louvers shutters arrangements for 300mm (12") sweep (light duty) AC exhaust fan.

Supply and fixing of 4nos.6A two module 3 pin socket, 4 nos. 6A one module switch with module cover plate (plastic) on suitable module concealed Box (GI ) in flush with wall with connections.

Supply and fixing of 1 no.6/16A two module socket, 1 no. 16A one module switch with module cover plate (plastic) on suitable module concealed Box (GI ) in flush with wall with connections. Higher End

Supply and run of 2 of 1.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 1.5 sq.mm copper wire and making good of the concealed portion with suitable colour.

Supply and run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 4 sq.mm copper wire and making good of the concealed portion with suitable colour.

Supply and run of 2 of 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 6 sq.mm copper wire and making good of the concealed portion with suitable colour.

Supply and Run of 4 of 10 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 10 sq.mm copper wire and making good of the concealed position.

Supply and run of 4 of 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection by 6 sq.mm copper wire and making good of the concealed portion with suitable colour.

Supply and fixing of 8 way single pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 32A DP MCB switch as incoming and 6 nos. 6A to 32A SP MCB as outgoing in flush with wall with earth connection only. Higher End

Supply and fixing of 4 way 7 segment triple pole neutral MCB distribution board in sheet steel enclosure double door type with metal door with IP 42 protection with 40A 4 pole MCB as incoming and 3Nos 40A DP RCCB as sub incomer and 12 Nos. 6 A to 32 A SP MCB as outgoing in flush with wall and making good of the concealed portion with earth connection. (Higher End)

Supply and fixing of 6 way 7 segment triple pole neutral MCB distribution board in sheet steel enclosure double door type with metal door with IP 42 protection with 63A 4 pole MCB as incoming and 3Nos 63A DP RCCB as sub incomer and 18 Nos. 6 A to 32 A SP MCB as outgoing in flush with wall and making good of the concealed portion with earth connection. (Higher End).

Supply and fixing of 4 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB as incoming and 2nos. 32A TP, 6nos. 6A to 32A SP MCB as outgoing in flush with wall and making good of the concealed portion with earth connection. Higher End.

Supply and fixing of 5A/15A 3 Pin combined flush type wall socket with 15A flush type switch on suitable MS Box.

Supply and run of 2 of 4 Sq.mm PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with continous earth wire connection of 4 Sq.mm copper wire with painting of suitable colour.

Supply and fixing of 8 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB as incoming and 3 Nos 40A TP MCB,1 No 32A TP MCB 6 Nos.6A to 32A SP MCB as outgoing in flush with wall and making good of the concealed portion with earth connection. Higher End.

Supply and fixing of 20A Flush type Wall Socket 32A DP MCB complete set for AC Plugin flush with wall with earth connection (For AC Plug).

Supply and fixing of 32A, 10kA Double pole MCB in sheet steel enclosure in flush with wall and making good of the concealed portion with necessary earth connection. (The MCB and metal enclosure should be of Higher End).

Supply and fixing of 63A FP RCCB with 30mA in 4P sheet steel enclosure on wall with necessary earth and connections complete.

Supply and clamping of 3-1/2 x 25 sq.mm. PVC LTUG armoured aluminium cable on post or on wall with MS clamps.

Supply and clamping of 3-1/2 x 70 sq.mm. PVC LTUG armoured aluminium cable on post or on wall with MS clamps.

Supply and clamping of 3-1/2 x 185 sq.mm. PVC LTUG armoured aluminium cable on post or on wall with MS clamps.

Supply and Laying of 3 1/2 x 70 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and providing cable end termination of 3-1/2 x 25 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply and providing cable end termination of 3-1/2 x 70 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete.

Supply and providing cable end termination of 3-1/2 x 185 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete.

Supply and fixing of brass cable gland for 3-1/2 x 25 sq.mm. PVC armoured LTUG cable with earth connection

Supply and fixing of brass cable gland for 3-1/2 x 70 sq.mm. PVC armoured LTUG cable with earth connection

Supply and fixing of brass cable gland for 3-1/2 x 185 sq.mm. PVC armoured LTUG cable with earth connection

Earthing as per the ISI specification with an earth electrode of 2.10 metre Class 'B' GI pipe of dia not less than 40mm with copper earth plate of size 125mm x 50mm x 6mm with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry

Supply and Run of 1 of No.8 SWG copper wire in suitable PVC rigid pipe on wall / floor / ground for earth connection.

Supply and fixing of 2kVA Single Phase In & Single Phase out Online UPS of Microcontroller based High frequency and Double Conversion Online Technology with inbuilt isolation transformer system, LCD/ LED Display with suitable SMF battery to provide minimum 1hour backup along with Powder coated MS Rack and interlink cables with following specifications: 1. Output Voltage Range : 208V/220V/230V/240V AC 2. Voltage THD (Linear Load) : ≤2% 3. Voltage THD (Non-Linear Load) : ≤4% 4. Current THD : < 10% 5. Overload : >110%, 30s turn to Bypass mode; >150% instant turn to Bypass mode 6. Short Circuit protection : 5 cycles turn off inverter, no transfer to Bypass, provide Alarm (AC mode) ; 5cycles turn off inverter, provide Alarm (Battery mode), Input fuse blown or breaker action 7. Waveform : Pure sinewave 8. Transfer time : (AC mode to Battery mode - Zero) (Inverter to bypass - <4ms) 9. Efficiency : 85% to 92% 10. Noise Level : less than 50dBA @ 1meter (with fan speed control) 11. Warranty : Two years on Electronics & one year on battery. The make and model should be approved by the departmental officers before used on work

Supply and fixing of 100 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with earth connection only.

supply and fixing of 30W LED street light fitting with LED (Higher end) with 25 mm dia. GI pipe (class B) with 1 no. 25 mm GI bend complete on the existing post/ on wall with PVC unsheathed copper leads with MS clamps and with painting.

Supply and fixing of 65 mm dia. (2 -1/2") GI pipe (class B) of 6 metre length with 300mm x 300mm x 6mm MS base plate duly welded at the bottom with concreting with construction of masonary pedestal with suitable SMC box with door arrangement to house 6A SP MCB switch, 2/4 way connector on suitable hylem sheet and supply and fixing of 30W LED street light fitting with LED (Higher end) with 1 metre 32mm dia. GI pipe (class B) Complete with suitable MS clamps for LED street light fitting and SMC box with PVC unsheathed copper leads from SMC box to fitting and with painting of suitable colour.

Supply and Laying of 4 x 6 sq.mm. PVC armoured copper LTUG cable with ISI mark in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and fixing of dust and vermin proof cubical type 250A rated LTCT metering box of size 3ft x 1 ft x 4ft made of 16SWG CRCA sheet steel with door, lock and key arrangement with angle iron support comprising of three compartments for 3 phase energy meter with base plate & view glass arrangements, bus bar arrangements with 1" x 1/4" insulated tinned Copper bus bar for 3phases & neutral with provision for CTs and sealing arrangements as per TANGEDCO norms and 3nos 250A (500V) fuse units and MS cable entry box. The earth bus with two runs of 1" x 1/4" tinned copper flat must be run all round the panel to provide double earth connection.The buses should be mounted on the SMC bus insulators with proper spacing and should be provided with heat shrinkable sleeves using RYB & Black colours.The bus bar chamber should be segregated from the adjacent chambers by providing 12mm thick hylem sheet. The panel should be painted with two high quality enamel paint over one coat of red oxide primer, the cable size, location etc., should be marked with white paint affixed with Danger sign with 19/16 PVC insulated Cu wire interconnection from meter to fuse unit and necessary connection complete confirming CEA rules.

Supply & fixing of 250A 4P MCCB of variable thermal and variable magnetic release with 36kA breaking capacity (Ics=100% of Icu) with shunt release, spreader terminals, rotary handle, phase barriers and Ground fault module with built in CBCT in suitable SS enclosure on suitable angle iron frame work with necessary connection complete.(Higher End)

Supply, fabrication, erection and comissioning of 250A capacity dust and vermin proof cubical panel board of suitable size made up of 16 SWG CRCA sheet steel for outer body, with doors, switch supports and seperations etc., and with supply and fixing of the following interior switch with bus bar chamber complete

with 1" x 1/4" tinned cu. Flat for 3 phase & neutral,2 Nos 1" x 1/4" tinned cu flat for earth connection with bus bar insulators. The following tinned Cu flat should be used for interconnection between busbar and switches: 1" x 1/4" tinned cu. Flat for interconnection of 1No 250A incoming switch to bus bar, 1"x1/8" tinned cu.flat for 1 No 100A Switch and no.8 swg copper conductor for interconnection of 7Nos 63A Outgoing switches to bus bar.

A separate chamber on top of one side should be provided with multi function meter to display Line & Phase Voltage, Phase Current, Power Factor and Frequency with one set of LED pilot lamp, fuse holder with suitable HRC fuse for each phase with suitable CT coil arrangements. The panel should be fabricated as per relevant CEIG specification for accommodation of 9Nos 3 phase switches and supply & fixing of the following switches.

1. 250A TPN switch disconnector fuse units interior only with HRC fuses double break - 1No 2. 100A TPN switch disconnector fuse units interior only with HRC fuses double break - 1No 2. 63A TPN switch disconnector fuse units interior only with HRC fuses double break - 7Nos

In each cubical switch, live portion of bus bar should be shrouded by 6mm thick hylum sheet separators, and properly earthed by tinned solid copper flat as per CEIG sepecifications. Two runs of 1" x 1/8" tinned copper flat must be run all round the panel to provide double earth connection. The panel should be painted with two high quality enamel

paint over one coat of red oxide primer, the cable size, capacity of switch, location etc., should be marked with white paint and 2 Nos. metallic danger board affixed complete with mounting on base channel 3"x1½"x½" iron frame work support complete. (The TPN switches should be L&T / Siemens make only).

Solar Arragngements : Supply, Installation, Testing, Commissioning and Handing over of 9 kWp Grid connected roof top Solar Photo Voltaic (PV) System Scheme complete comprising of i) Solar panels of type Mono Crystline, PERC, etc. ii) Power Conditioning Unit (PCU)with MPPT, Inverter, Controls, Protection Devices, Interconnecting D.C. cables, Connectors, Junction Boxes and accessories. iii) D.C. D.B iv) A.C. D.B v) A.C. cables and accessories vi) Lightning arrestor, earthing, etc. vii) Module Metallic Mounting Structures viii) Installation, Testing and Commissioning corresponds to BIS and IEC requirements

TECHNICAL SPECIFICATIONS 1. SOLAR PV MODULES: consisting of required number of MonoCrystalline PERC PV modules 1.1. The PV modules and Solar Cell used should be made in India. 1.2. The PV modules used must qualify to the latest edition of IEC standards or equivalent BIS standards,

i.e. IEC 61215/IS14286, IEC 61853-Part I/IS 16170-Part I, IEC 61730 Part-1 & Part 2 and IEC 62804 (PID). For the PV modules to be used in a highly corrosive atmosphere throughout their lifetime, they must qualify to IEC 61701/IS 61701.

1.3. The rated power of solar PV module shall have maximum tolerance up to +3% 1.4. The peak-power point current of any supplied module string (series connected modules) shall not vary by +1% from the respective arithmetic means for all modules and/or for all module strings (connected to the same MPPT), as the case may be.

1.5. The peak-power point voltage of any supplied module string (series connected

modules) shall not vary by + 2% from the respective arithmetic means for all modules and/or for all module strings (connected to the same MPPT), as the case may be. 1.6. The temperature co-efficient power of the PV module shall be equal to or better than -0.45%/°C.

1.7. Solar PV modules of minimum capacity 300Wp to be used. 1.8. The PV Module efficiency should be minimum 16%. 1.9. Solar PV modules of minimum fill factor 75%, to be used1.10. All electrical parameters at STC shall have to be provided

1.11. The PV modules shall be equipped with IP 65 or better protection level junction box with required numbers of bypass diodes of appropriate rating and appropriately sized output power cable of symmetric length with MC4 or

equivalent solar connectors. The IP level for protection may be chosen based on following conditions: i. An IP 65 rated enclosure is suitable for most outdoor enclosures that won’t encounter extreme weather such as flooding. ii. An IP 67 rated enclosure is suitable at locations which may encounter temporary submersion at depths of up to one meter. iii. An IP 68 enclosure is recommended if there may exist situations of submergence for extended periods of time and at substantial depths.

1.12. All PV modules should carry a performance warranty of >90% during the first 10 years, and >80% during the next 15 years. Further, module shall have performance warranty of >97% during the first year of installation—degradation of the module below 1 % per annum.

1.13. The manufacturer should warrant the Solar Module(s) to be free from the defects and/or failures specified below for a period not less than five (05) years from the date of commissioning: 1.14. Defects and/or failures due to manufacturing. 1.15 Defects and/or failures due to quality of materials.

1.16. Nonconformity to specifications due to faulty manufacturing and/or inspection processes. If the solar Module(s) fails to conform to this warranty, the manufacturer will repair or replace the solar module(s), at the Owners sole option. 1.17. PV modules must be tested and approved by one of the NABL accredited and BIS approved test centres.

1.18. Modules deployed must use a RF identification tag laminated inside the glass. The following information must be mentioned in the RFID used on each module: i. Name of the manufacturer of the PV module ii. Name of the manufacturer of Solar Cells. iii. Month & year of the manufacture (separate for solar cells and modules) iv. Country of origin (separately for solar cells and module)

v. I-V curve for the module Wattage, Im, Vm and FF for the module vi. Unique Serial No and Model No of the module vii. Date and year of obtaining IEC PV module qualification certificate. viii. Name of the test lab issuing IEC certificate. ix. Other relevant information on traceability of solar cells and module as per ISO 9001 and ISO 14001. x. Nominal wattage +3%. xi. Brand Name, if applicable.

1.19. Other details as per IS/IEC 61730-1 clause 11 should be provided at appropriate place. In addition to the above, the following information should also be provided: i. The actual Power Output Pmax shall be mentioned on the label pasted on the back side of PV Module. ii. The Maximum system voltage for which the module is suitable to be provided on the back sheet of the module.

iii. Polarity of terminals or leads (colour coding is permissible) on junction Box housing near cable entry or cable and connector. 1.20. Unique Serial No, Model No, Name of Manufacturer, Manufacturing year, Make in India logo and module wattage details should be displayed inside the laminated glass.

2. Module Mounting Structure (MMS): 2.1 Supply, installation, erection and acceptance of module mounting structure (MMS) with all necessary accessories, auxiliaries and spare part shall be in the scope of the work. 2.2 Module mounting structures can be made from Hot Dip Galvanized Mild Steel (MS). 2.3 MMS Steel shall be as per latest IS 2062:2011 and galvanization of the mounting structure shall be in compliance of latest IS 4759.

2.4 All bolts, nuts, fasteners shall be of stainless steel of grade SS 304 or hot dipgalvanized, panel mounting clamps shall be of aluminium and must sustain the adverse climatic conditions. Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts and bolts.

2.5 The module mounting structures should have angle of inclination as per the site conditions to take maximum insolation and complete shadow-free operation during generation hours. However, to accommodate more capacity the angle of inclination may be reduced until the plant meets the specified performance ratio requirements.

2.6 The Mounting structure shall be so designed to withstand the speed for the wind zone of the location where a PV system is proposed to be installed. The PV array structure design shall be appropriate with a factor of safety of minimum 1.5. 2.7 The upper edge of the module must be covered with wind shield so as to avoid build air ingress below the module. Slight clearance must be provided on both edges (upper & lower) to allow air for cooling. 2.8 Suitable fastening arrangement such as grouting and calming should be provided to secure the installation against the specific wind speed. The Empanelled Agency shall be fully responsible for any damages to SPV System caused due to high wind velocity within guarantee period as per technical specification

2.9 The structures shall be designed to allow easy replacement, repairing and cleaning of any module. The array structure shall be so designed that it will occupy minimum space without sacrificing the output from the SPV panels. Necessary testing provision for MMS to be made available at site.

2.10 Adequate spacing shall be provided between two panel frames and rows of panels to facilitate personnel protection, ease of installation, replacement, cleaning of panels and electrical maintenance. 2.11 The structure shall be designed to withstand operating environmental conditions for a period of minimum 25 years.

2.12. Material standards: i. Design of foundation for mounting the structure should be as per defined standards which clearly states the Load Bearing Capacity & other relevant parameters for foundation design (As per IS 6403 / 456 / 4091 / 875). ii. Grade of raw material to be used for mounting the structures so that it complies the defined wind loading conditions (As per IS 875 - III) should be referred as follows (IS 2062 – for angles and channels, IS 1079 – for sheet, IS 1161 & 1239 for round pipes, IS 4923 for rectangular and square hollow section)

iii. Test reports for the raw material should be as per IS 1852 / 808 / 2062 / 1079 / 811. iv. In process inspection report as per approved drawing & tolerance should be as per IS 7215. v. For ascertaining proper welding of structure part following should be referred: a. D.P. Test (Pin Hole / Crack) (IS 822) b. Weld wire grade should be of grade (ER 70S-6)

vi. For ascertaining hot dip galvanizing of fabricated structure following should be referred: - a. Min coating required should be as per IS 4759 & EN 1461. b. Testing of galvanized material

 Pierce Test (IS 2633)  Mass of Zinc (IS 6745)  Adhesion Test (IS 2629)  CuSO4 Test (IS 2633)  Superior High-Grade Zinc Ingot should be of 99.999% purity (IS 209) (Preferably Hindustan Zinc Limited or Equivalent). vii. Foundation Hardware – If using foundation bolt in foundation then it should be as per IS 5624.

3. Inverter / PCU : 3.1. Inverters/PCU should comply with applicable IEC/equivalent BIS standard for efficiency measurements and environmental tests as per standard codes IEC 61683/IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2(1,2,14,30) /Equivalent BIS Std.

3.2. Maximum Power Point Tracker (MPPT) shall be integrated in the inverter/PCU to maximize energy drawn from the array. Charge controller (if any) / MPPT units environmental testing should qualify IEC 60068-2(1, 2, 14, 30)/Equivalent BIS standard. The junction boxes/enclosures should be IP 65 or better (for outdoor)/ IP 54or better (indoor) and as per IEC 529 Specifications.

3.3. All inverters/PCUs shall be IEC 61000 compliant for electromagnetic compatibility, harmonics, Surge, etc. 3.4. The PCU/ inverter shall have overloading capacity of minimum 10%.

3.5. Typical technical features of the inverter shall be as follows i. Switching devices: IGBT/MOSFET ii. Control: Microprocessor/DSP iii. Nominal AC output voltage and frequency: as per CEA/State regulations iv. Output frequency: 50 Hz

v. Grid Frequency Synchronization range: as per CEA/State Regulations vi. Ambient temperature considered: -20°C to 60°C vii. Humidity: 95 % Non-condensing viii. Protection of Enclosure: IP-54 (Minimum) for indoor and IP 65(Minimum) for outdoor. ix. Grid Frequency Tolerance range: as per CEA/State regulations x. Grid Voltage tolerance: as per CEA/State Regulations xi. No-load losses: Less than 1% of rated power

xii. Inverter efficiency (Min.): >93% (In case of 10 kW or above with inbuilt galvanic isolation) >97% (In case of 10 kW or above without inbuilt galvanic isolation)

xiii. Inverter efficiency (minimum): > 90% (In case of less than 10 kW) xiv. THD: < 3% xv. PF: > 0.9 (lag or lead) xvi. Should not inject DC power more than 0.5% of full rated output at the interconnection point and comply to IEEE 519. 3.6. The output power factor of inverter should be suitable for all voltage ranges or sink of reactive power, inverter should have internal protection arrangement against any sustain fault in feeder line and against the lightning on feeder.

3.7. All the Inverters should contain the following clear and indelible Marking Label & Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with:

i. The name or trademark of the manufacturer or supplier; ii. A model number, name or other means to identify the equipment, iii. A serial number, code or other marking allowing identification of manufacturing location and the manufacturing batch or date within a twelve- month time period.

iv. Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current for each input. v. Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current, and for a.c. outputs, either the power or power factor for each output. vi. The Ingress Protection (IP) rating

3.8. Marking shall be located adjacent to each fuse or fuse holder, or on the fuse holder, or in another location provided that it is obvious to which fuse the marking applies, giving the fuse current rating and voltage rating for fuses that may be changed at the installed site.

3.9. In case the consumer is having a 3-ϕ connection, 1-ϕ/3-ϕ inverter shall be provided by the vendor as per the consumer’s requirement and regulations of the State. 3.10. Inverter/PCU shall be capable of complete automatic operation including wake-up, synchronization & shutdown. 3.11. For CFA calculation, minimum of following two shall be considered: i. Solar PV array capacity in KWp ii. Inverter Capacity in KW

3.12. Integration of PV Power with Grid & Grid Islanding: i. The output power from SPV would be fed to the inverters/PCU which converts DC produced by SPV array to AC and feeds it into the main electricity grid after synchronization.

ii. In the event of a power failure on the electric grid, it is required that any independent power-producing inverters attached to the grid turn off in a short period of time. This prevents the DC-to-AC inverters from continuing to feed power

into small sections of the grid, known as “islands.” Powered islands present a risk to workers who may expect the area to be unpowered, and they may also damage grid tied equipment. The Rooftop PV system shall be equipped with islanding protection. In addition to disconnection from the grid (due to islanding protection) disconnection due to under and over voltage conditions shall also be provided, if not available in inverter.

iii. MCB/MCCB or a manual isolation switch, besides automatic disconnection to grid, would have to be provided at utility end to isolate the grid connection by the utility personnel to carry out any maintenance. This switch shall be locked by the utility personnel.

4. Metering : 4.1. A Roof Top Solar (RTS) Photo Voltaic (PV) system shall consist of following energy meters: i. Generation meter: To keep record for total generation of the plant. 4.2. The installation of meters including CTs & PTs, wherever applicable, shall be carried out by the respective DisComs as per the terms, conditions and procedures laid down by the concerned SERCs / DISCOMs.

5. Array Junction Boxes: 5.1 The junction boxes are to be provided in the PV array for termination of connecting cables. The Junction Boxes (JBs) shall be made of GRP / FRP / Powder Coated aluminum /cast aluminum alloy with full dust, water & vermin proof arrangement. All wires/cables must be terminated through cable lugs. The JBs shall be such that input & output termination can be made through suitable cable

glands. Suitable markings shall be provided on the bus-bars for easy identification and cable ferrules will be fitted at the cable termination points for identification. 5.2 Copper bus bars/terminal blocks housed in the junction box with suitable termination threads Conforming to IP 65 or better standard and IEC 62208 Hinged door with EPDM rubber gasket to prevent water entry, Single /double compression cable glands should be provided.

5.3 Polyamide glands and MC4 Connectors may also be provided. The rating of the junction box shall be suitable with adequate safety factor to interconnect the Solar PV array. 5.4 Suitable markings shall be provided on the bus bar for easy identification and the cable ferrules must be fitted at the cable termination points for identification. Junction boxes shall be mounted on the MMS such that they are easily accessible and are protected from direct sunlight and harsh weather.

6.DC Distribution Box (DCDB): 6.1 May not be required for small plants, if suitable arrangement is available in the inverter. 6.2 DC Distribution Box are to be provided to receive the DC output from the PV array field. 6.3 DCDBs shall be dust & vermin proof conform having IP 65 or better protection, as per site conditions. .

6.4 The bus bars are made of EC grade copper of required size. Suitable capacity MCBs/MCCB shall be provided for controlling the DC power output to the inverter along with necessary surge arrestors. MCB shall be used for currents up to 63 Amperes, and MCCB shall be used for currents greater than 63 Amperes

7. AC Distribution Box (ACDB): 7.1 AC Distribution Panel Board (DPB) shall control the AC power from inverter, and should have necessary surge arrestors, if required. There is interconnection from ACDB to mains at LT Bus bar while in grid tied mode. 7.2 All switches and the circuit breakers, connectors should conform to IEC 60947:2019, part I, II and III/ IS 60947 part I, II and III. 7.3 The isolators, cabling work should be undertaken as part of the project.

7.4 All the Panel’s shall be metal clad, totally enclosed, rigid, floor mounted, air -insulated, cubical type suitable for operation on 1-ϕ/3-ϕ, 415 or 230 volts, 50 Hz (or voltage levels as per CEA/State regulations). 7.5 The panels shall be designed for minimum expected ambient temperature of 45 degree Celsius, 80 percent humidity and dusty weather.

7.6 All indoor panels will have protection of IP 54 or better, as per site conditions. All outdoor panels will have protection of IP 65 or better, as per site conditions. 7.7 Should conform to Indian Electricity Act and CEA safety regulations (till last amendment). 7.8 All the 415 or 230 volts (or voltage levels as per CEA/State regulations) AC devices / equipment like bus support insulators, circuit breakers, SPDs, Voltage Transformers (VTs) etc., mounted inside the switchgear shall be

suitable for continuous operation and satisfactory performance under the following supply conditions. i. Variation in supply voltage: as per CEA/State regulations ii. Variation in supply frequency: as per CEA/State regulations 7.9 The inverter output shall have the necessary rated AC surge arrestors, if required and MCB/ MCCB. RCCB shall be used for successful operation of the PV system, if inverter does not have required earth fault/residual current protection.

8. Protections The system should be provided with all necessary protections like earthing, Lightning, and Surge Protection, as described below:

8.1 Earthing Protection: i. The earthing shall be done in accordance with latest Standards. ii. Each array structure of the PV yard, Low Tension (LT) power system, earthing grid for switchyard, all electrical equipment, inverter, all junction boxes, etc. shall be grounded properly as per IS 3043. iii. All metal casing/ shielding of the plant shall be thoroughly grounded in accordance with CEA Safety Regulation 2023. In addition, the lightning arrester / masts should also be earthed inside the array field.

iv. Earth resistance should be as low as possible and shall never be higher than 5 ohms. v. For 10 KW and above systems, separate three earth pits shall be provided for individual three earthing viz.: DC side earthing, AC side earthing and lightning arrestor earthing.

8.2 Lightning Protection: i. The SPV power plants shall be provided with lightning & over voltage protection, if required. The main aim in this protection shall be to reduce the overvoltage to a tolerable value before it reaches the PV or other sub system components. The source of over voltage can be lightning, atmosphere disturbances etc. Lightning arrestor shall not be installed on the mounting structure.

ii. The entire space occupying the SPV array shall be suitably protected against Lightning by deploying required number of Lightning Arrestors (LAs). Lightning protection should be provided as per IEC 62305 standard.

iii. The protection against induced high-voltages shall be provided by the use of Metal Oxide Varistors (MOVs)/Franklin Rod type LA iv. The current carrying cable from lightning arrestor to the earth pit should have sufficient current carrying capacity according to IEC 62305. According to standard, the minimum requirement for a lightning protection system designed for class of LPS III is a 6 mm2 copper/ 16 mm2 aluminum or GI strip bearing size 25*3 mm thick. Separate pipe for running earth wires of Lightning Arrestor shall be used.

8.3 Surge Protection: i. Internal surge protection, wherever required, shall be provided. ii. It will consist of three SPD type-II/MOV type surge arrestors connected from +ve and –ve terminals to earth.

9. CABLES : 9.1 . All cables should conform to latest edition of IEC/equivalent BIS Standards alongwith IEC 60227/IS 694, IEC 60502/IS 1554 standards. 9.2 . Cables should be flexible and should have good resistance to heat, cold, water, oil, abrasion etc. 9.3 Armored cable should be used and overall PVC type ‘A’ pressure extruded insulation or PVC insulation should be there for UV protection.

9.4 Cables should have Multi Strand, annealed high conductivity copper conductor on DC side and copper/FRLS type Aluminum conductor on AC side. For DC cabling, multi- core cables shall not be used. 9.5 Cables should have operating temperature range of -10°C to +80°C and voltage rating of 660/1000 V.

9.8 The electric cables for DC systems for rated voltage of 1500 V shall conform to BIS 17293:2020. 9.9 All cable/wires are to be routed in a RPVC pipe/ GI cable tray and suitably tagged and marked with proper manner by good quality ferule or by other means so that the cable is easily identified.

10. DRAWINGS & MANUALS: 10.1 Operation & Maintenance manual/user manual, Engineering and Electrical Drawings shall be supplied along with the power plant. 10.2 The manual shall include complete system details such as array lay out, schematic of the system, inverter details, working principle etc. 10.3 The Manual should also include all the Dos

& Don’ts of Power Plant along with Graphical Representation with indication of proper methodology for cleaning, Operation and Maintenance etc. 10.4 Step by step maintenance and troubleshooting procedures shall also be given in the manuals. 10.5 Vendors should also educate the consumers during their AMC period.

11. Miscellaneous: 11.1 Connectivity: The maximum capacity for interconnection with the grid at a specific voltage level shall be as specified in the SERC regulation for Grid connectivity and norms of DISCOM and amended from time to time. 11.2 Safety measures: Electrical safety of the installation(s) including connectivity with the grid must be taken into account and all the safety rules & regulations applicable as per Electricity Act, 2003 and CEA Safety Regulation 2010 etc. must be followed.

11.3 Shadow analysis: The shadow analysis report with the instrument such as Solar Pathfinder or professional shadow analysis software of each site should be provided and the consumer should be educated to install the system only in shadow free space. Lower performance of the system due to shadow effect shall be liable for penalty for lower performance.

11.4 Obtaining CEIG Saftey certificate and TANGEDCO Bidirectional Energy meter included in the scope of the contractor.

11.5 MNRE approved Modules and manufacturers: MonCrystalline PERC PV modules should be used. The make and model should be approved by the departmental officers before used on work.

Supply, Testing Commissioning and Handing over of 40 kVA Diesel Generator set with acoustic enclosure conforming to CPCB IV+ Norms and BIS Specifications with Standard Control Panel of 0.8 P.F. Three phase 415V/ 420 Volts, 50Hz, 1500 RPM CPCB Approved capacity developing

56 HP with acoustic enclosure water cooled clock wise rotating feed pump with 32kW / 40kVA operating capacity brushless alternator close coupled underneath fuel tank standard safeties LLOP with stop solenoid battery with lead Electric start and vibration fitting and accessories and standard control panel as detailed below including transporting & unloading charges.

(A) Engine: Water cooled diesel engine suitable for Generator application conforming CPCBIV+ norms and IS standards with a shaft out put of 56 HP at 1500 RPM under NTP conditions. The Engine shall comprise the following standard fitting flexible coupling fly wheel, air cleaner, fan blower, radiator, water pump, fuel filter, lubricating oil filter, etc.(Kirloskar Green / Cummins/Eq)

(B) 12 Volt Electronic starting Equipment: Complete with starter motor, dynamo, standard batteries with cable, flexible exhaust piping of 50cms length

(C) Engine Instrument Panel / Mounted: Starting push botton / starting key, lubricating oil, temperature gauge, lubricating oil pressure gauge, water temperature gauge, safety control for low lubricating oil, pressure, safety control for high water temperature, safety control for over speed, hour meter (mechnical) and RPM indicator, battery charging ammeter. The engine should be capable of providing 10% over load for one hour for every 11 hours continuous at full load.

D)ALTERNATOR: 40kVA/32kW Capacity of brushless alternator, AC 3 phase, 50Hz, 415/420V, 0.8 PF, 1500 RPM under NTP conditions, conforming to CPCB IV+ Norms.

E) STANDARD CONTROL PANEL : The standard control panel (cubical) should be vermin proof and dust proof best quality sheet steel of 16 SWG CRCA MS sheet and floor mounted with suitable hinged glass doors and enamel painted. The panel should be microprocessor based complete with suitable Square/ Rectangular copper bus bars with internal connections and with necessary cables and other accessories and with tapings for the incoming supply from the alternator and for the outgoing supply to the load and incorporating Suitable MCCB and HRC fuses, Set of control fuses, etc. with following facilities.

1. UNDER / OVER LIMIT i. High coolant Temperature ii. Low lube oil pressure iii. Over speed iv. Start fail v. Emergency stop vi. Over load 2. FAULT INDICATIONS: i. LLOP - Low Lub. oil pressure ii. HWT - High water temperature iii. OL - Over load iv. E.STOP - Emergency stop v. DG - Gen set ON vi. LOAD - ON

3.Metering & Protective relaying: i) Multi function Digital panel meter with the functions of Ammeter , Voltmeter, Frequency Meter, Power factor meter, KW meter, KWHr Meter .- 1No 2) Current transformers of suitable ratio. – Set of 3Nos. 3) Earth fault relay – 1No

1. The control panel should be complete with necessary fuses, cables, label, other accessories with neutral isolation arrangements. 2. The engine should trip for the following: a) Low lubricating oil pressure b) High water temperature c) Over speed

F.FUEL TANK minimum 100 litres fuel tank shall be fabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections and mechanical fuel gauge. Fuel tank can be easily removed for cleaning or any maintenance.

G. Exhaust Gas Recirculation system arrangements as per CPCB IV+ norms as amended

H. BASE FRAME: Base frame should be fabricated with MS channel frame of rigidly welded construction for mounting of generaor set. The engine and alternator should be coupled by suitably designed diaphragm type flexible coupling with guard and mounted on the base frame with proper alignment.

I) ACOUSTIC ENCLOSURE: The Acoustic enclosure, Self standing weather proof Acoustic canopy conforming CPCBIV+ norms floor mounting type with modular construction with the provision to assemble and dismantle easily and designed to suit all weather condtions and compliance to IS standards.

Erection of acoustic enclosure suitable for 40kVA Diesel generator complete with all accessories as above and suitable supports etc. as approved by competent authority to suit updated CPCB norms.

J) Erection of generator set with proper alignment over the existing foundation.

K)Supply of manuals for operation & maintenance of DG set with warranty card etc. L) CEIG approval: Preparation of site plan physical layout, electrical line schematic Diagram 10 sets, getting drawing approval from CEIG preparation of complection report rectification report etc., arranging CEIG inspection and obtaining CEIG safety certificate, payment of CEIG inspection fees if necessary and preparation of one set of approval Drawing and copy of safety certificate in a neat frame work.

M)TESTING AND COMMISSIONING

After the installation of DG set on its foundation, the DG set should be tested and commissioned with first charging of lubrication oil to its level, first charging of battery and run the set for eight hours on full load test complete. The Genset engine and alternator make should be approved by department officials before used on work.

Providing suitable concrete foundation with plain cement concrete 1:2:4 using 20mm jelly for wearing coat including laying, compacting, finishing and curing etc., complete as per standard specifications and as directed by the departmental officers for 15kVA Genset to New integrated Commercial Taxes Office building at Theni.

Supply and clamping of 8mm dia aluminium alloy sold round conductor of material Almgsi used as down conductor system with necessary conductor Holder, glue, connectors, joints and expansion piece etc., as per IEC 62561-2 recommendation and site condition.

Supply and installation of air termination rod of 2mtr length of material AlMgSi of diametre ø 16/10 mm crimped on both the ends (Tappered Type). The rod shall be mounted with stainless steel clamp and fixing accessories . It should satiesfies IEC 62561-1&2 and it should Withsatand Minimum wind velocity of 150m/s.

Supply and Installation of Battery operated LCD type Lightning counter - LCD screen shows the number of lightning strikes, hour and date of lightning events Buttons enable TIME/DATE setting and log viewing. Replaceable battery, working life minimum five years, Complies with IEC/EN 62561-6.

Supply and run of Rust resistant non corossive 10 mm dia Copper Bonded Steel round conductor used for Earth termination inside the concrete and soil with necessary masonary and excavation work.

Supply of Maintenance Free Copper bonded Earth rod of 3000mm length having the dia of 17.2 mm with copper coating thickness of 254 microns. The rod has been tested for Dimension, Marking, Tensile Strength, Salt mist, coating thickness, Electrical resistivity test before and after corrosion test as per IEC 62561-2.

Supply and insallation of Cabinet Type Class 1 and 2 Combined Model SPD in 4P enclosure box to arrest surges and overvoltages in the power linedue to lightning switching action etc. they must be installed inthe incoming MCC panel / DB of the respective building in parallel to the power circuit by using 4 of 6 Sqmm Cu(84 / 0.3) .Model: PSV4-12.5/400TT (3 phase power network)

Lift Arrangements: Design, Engineering, supply, fabrication, erection, testing, commissioning and handing over of 16 persons capacity 1088kg Gearless passenger lift with machine room (KONE / OTIS /JHONSON) with Stainless Steel Panels, Disable friendly, microprocessor based controller, VVVF drive with enhanced ride comfort and levelling function, Fire rated doors and ARDas per the following technical specifications with free Guarantee period of one year from the date of commissioning.

Technical specifications: 1. Type of lift : passenger lift 2. Capacity of lift : 16 persons capacity passenger lift 3. Speed : 1.50 Meter/Sec 4. Type of Drive: specific variable voltage variable frequency V3F drive with enhanced ride comfort and leveling functions. 5. No. of floors: Stilt + 3floor 6. Leveling Accuracy: High level

7. Construction of Car: 18 SWG high quality stainless steel car, powder coated stretcher impact protection car size 2000 mm(W) x 1300 mm(D). 8. Position of machine: Directly above the lift well 9. No. of landing entrance: 4Nos 10. No. of car entrance: one in front only

11. Car entrance door: power operated. 12. Car entrance door: power operated center opening sliding 18 SWG stainless steel vandal proof door with provision for emergency key opening at all landings. 13. Lift well existing : 2500mm wide(door side) x 2200mm Depth

19. Indication: UP/Down digital direction and position indicator for all landing and in car 20. Emergency alarm bell: Battery operated alarm bell to be provided with Automatic charging device

21. Emergency light: Battery operated light to be provided with Automatic charging device 22. Fire Man’s switch: To be provided at ground floor

23. Minor builders work: included in the scope. 24. Scaffolding: Included in the scope 25. Sill angles and facia plates: included in the scope 26. Steel for lift machinery: Included in the scope

27. Servicing and maintenance: Free comprehensive servicing and maintenance should be provided by lift contractor during the guarantee period of one year. 28. Automatic Rescue device: To facilitate the landing of the lift to the nearest floor at the time of power failure. This shall consist of suitable type battery system with charger, invertor, under voltage protection system etc., complete with all accessories.

29. Provision of intercom with phone: To be provided by lift contractor with one handset in the lift car and another handset in the lift machine room with telecom exchange unite with one trunk and three extension linked proton 103 matrix telecom unit and required length of single twisted pair with thickness of 0.5 mm to 1mm connecting the handsets and telecom exchange unit.

30. Lift License: Preparation of Drawing, payment of charges to CEIG and insurance policies if any and obtaining CEIG safety certificate as per lift act should be done by lift contractor. 31. Floor annunciator with music. 32. Special features: a. Infra red door sensor with full height screen. b. Full width half height rear panel mirror. c. Tubular stainless steel hand rail in cars.

d. Voltage stabilizer for circuit control. e. Stainless Steel signal fixtures. f. Vandal proof S.S. Button with S.S. cover g. SS door frames for landing doors. h. VFD door operator. i. Call Register signal

j. Stainless steel facia plate for car operating panel and landing fixtures. k. On – Off switch for fan and light l. Over load warning indicator with audio announcement 33. Other standard features: Over speed governor, phase failure and phase reversal relay,

T. Guide brackets for car and counter weight, rubber padding under winding unit, motor of adequate capacity, electro mechanical door locks emergency keyside supporting angles, motor over load protection devices final limit switch main suspension ropes counter weights lifting joist for mounting the machineries

34. Site testing in accordance with IS 14665 should be carried out at the time of handing over. 35. Supply of operation and maintenance manual with necessary tools for operation. 36. Guarantee: Free Guarantee for the materials and workmanship of equipments complete should be offered by lift firm for a period of one year from the date of commissioning. (KONE / OTIS /JHONSON)

Supply and fixing of 250A TPN switch disconnector fuse units in sheet steel enclosure with HRC fuses double break on suitable angle non frame work with MS cable entry boxes with earth connection only.

AC Arrangements : Supply, erection, testing and commissioning of 2TR (6000 K.cal/hr) plastic split type Air conditioner with copper coil fitted with high efficiency rotary compressor opearating on CFC free suitable for wall mounting for operation on 230V 50Hz single phase AC supply with star ratting of 5 as per BEE specification and capable of performing the function.(1) Cooling (2)Dehumidifying (3) Air circulation (4) Filtering

This installation works for the above split type AC units including the following (1) Mounting /Fitting Indoor and Outdoor units at their respective Locations. (2) Laying refrigerant pipe line of required length connecting both units after drilling hole/ holes in the wall if required. Thickness of the copper tubing shall not be less than 0.8 mm

(3) Insulating the suction pipe with expanded polyethylene foam 5mm tubing. (4) Laying 25mm dia flexible PVC drain pipe to throw out the condensate water being formed within the indoor unit.

(5) Leak testing the entire system unit. (6) Charging refreigerantgas in the unit. (7) Suitable electric wiring to be provided with in 2.5sq.mm PVC insulated copper wire between indoor and outdoor units upto 6 mtrs length and upto switch within 3 mtrs of location of indoor unit. (carrier/Voltas /Blue star/equ) (SR-M-1985)

Supply and Installation of 5 KVA Electronic Automatic Voltage Stabilizer V- GUARD make VND 500 Model with Input Voltage range of 150Volt-285Volt and Output Voltage range 200Volts to 230 Volts with High and Low Voltage cut off and 3 minutes time delay relay with demonstration.

Supply and run of 1.5 Sq.mm PVC insulated SC unsheathed FRLS copper wire of 1100V grade in existing concealed PVC pipe with necessary connection complete.

Supply and fixing of MS stand for fixing Spilt Airconditioner Outdoor Unit.

SASTHA ELECTRICALS (BID ID -1414412)

BHARATHI ENGINEERING AND ELECTRICAL CONTRACTORS (BID ID -1412607)