PROVISION OF SOLAR POWER PLANT AT TUTICORIN

Amount

Serial Item No 1 : Design,supply, installation,testing and commissioning of ground mounted solar photo voltaic power plant 100KW(AC) power evacuation at 415V, 3 Phase 4 Wire system including connected civil works such as RCC/PCC foundation, structural frame work etc. complete all as per guide lines/norms issued by MNRE& Indian Meteorological Deptt approved solar radiation data viz direct normal irradiance, global horizontal irradiance etc complete comprising the following:-

SOLAR PHOTO VOLTAIC PLANT

Supply, erection, Installing, commissioning and testing Solar PV modules capable for generating 100KW(AC) 415V 3Phase system. Each solar PV modules shall be poly crystalline type,wattage shall be 325Wp, efficiency not less 14% confirming to IEC 61215, IEC-61730 (Part I & II) and IEC-61701. Note:(i) Solar module should be of approved Indian make only. (ii). PV modules shall be warrented for a minimum 25years. (iii) PV module shall be tested by any MNRE approved laboratory.(Solar PV modules- 308Nos) Make :- TATA/ADANI/PANASONIC/EMMVCE

Design, Material and Fixing for modular mounting structure(MMS), fabricated from pre coated mild Steel / hot dipped Galvanized Iron section of suitable size with specifed tilt angle according to site requirment & optimum angle to achieve maximum benefit of solar energy and suitable to withstand 150KM/Hr wind speed with and including PCC 1:2:4 type B1 for each foundation as civil works (excavation and earth work cutting ) complete all as specifed and as directed.(Solar PV module GI supports) NOTE:- The minimum height of the mounting structure should be 02 meter from the ground level.

Design, Supply, Installation, testing and commissioning Grid tied Solar string Invertor unit of capcity 33KW(DC to AC 415, Three phase system), capable of generating output voltage 415V AC at rated load condition with efficiency not less than 97% conforming to IEC 600682-2/VDE standards with power reduction, ground fault monitoring, Grid monitoring, AC to DC over voltage & under voltage protection and DC reverse , polarity protection, Short circuit protection, multifunctional LED indications with alarm LED/LCD digital display system with following specification complete .- 03Nos (i) Nominal voltage: 415V, +/- 5% 3phase 50Hz (ii) Microprocessor /DSP micro controller system (iii) IP65 (outdoor) Protection enclosure (iv) Grid frequency synchronization +/-3%Hz or more (v) No load losses<1% of rated power (vi) Ambient temperature -20C to 50C (v) Conforms to IEC 62116 (vi) Internal protection features againt any fault in feeder line and lightening fault in feeder. Note: If Grid tie solar invertor as specifed 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 to the Govt.(String Grid Invertor 03 Nos)

Supply, fix and testing of DC control box/junction box made up of PVC/FRB, required qty for 100KW plant ,weather proof, suitable for outdoor duty with and including suitable rating of MCB breakers, string fuses with base ,copper bus, voltage grade 1100V etc for combining solar PV module output complete all as specifed and as directed.(DC Control box -3Nos)

Supply, laying & testing the required qty of DC cable single core 4sqmm copper conductor cable conforming to relevant IS weather proof, UV resistant with operating temperature upto 120degree celsius, rated voltage 1100V grade for inter connection of Solar PV modules including suitable type of copper lugs, suitable required qty of male & female MC4 connectors & joints etc all as specifed and as directed.(Inter connection of Solar PV modules)

Supply, fix and testing of AC control box/junction box made up of PVC/FRB, required qty, weather proof type, suitable for outdoor duty with and including MCCB 4Pole 16KA 63A 415V rating copper bus ,ON/OFF indication lamps , connections ,lugs or glands etc complete all as specifed and as directed.(AC Control box -3Nos)

Supply, erection & Testing of 3in/1out control panel totally enclosed , fully interlocked, metal clad powder coated enclosure including PCC foundation complete suitable for outdoor duty with 4P 63A MCB- 3Nos as Incomer and 4Pole MCCB 200A -1No as outgoing with on/off LED indication lamps, multifunction meter complete all as specified and directed.-1No (AC combined panel board)

Supply and Laying/fixing of GI earth flat 25x3mm of required qty as per site requirment and connection to GI support structure as earthing connection complete all as specifed and as directed.(GI Support earthing connection)

M&L High density polyethylene pipes (HDPE) of 32mm (OD)dia and pressure rating 6 kgf/cm2 required qty as per site requirment laid in trenches/GI support etc complete all as specifed and as directed. (4sqmm copper wire protection)

M&L High density polyethylene pipes (HDPE) of 50mm (OD)dia and pressure rating of 6 kgf/cm2 required qty as per site requirment laid in trenches complete. (for solar PV modules to DC control box connection copper wire protection)

Supply, laying & testing required qty as per site requirment of single core 6sqmm FRLS PVC copper conductor cable conforming to relevant IS weather proof, rated voltage 1100V grade with and including suitable type of copper lugs, all as specifed and as directed. (for Solar panel to panel earth wire connection)

Supply, laying & testing of required qty as per site requirment of single core 10sqmm FRLS PVC copper conductor cable conforming to relevant IS weather proof, rated voltage 1100V grade with including suitable type of copper lugs, all as specifed and as directed. (for Invertor earth wire connection)

Supply, laying & testing of required qty as per site requirment of single core 70sqmm FRLS PVC copper conductor cable conforming to relevant IS weather proof, rated voltage 1100V grade with and including suitable type of copper lugs, all as specifed and as directed. (for lightning arrestor connection)

Supply and laying 4core 16sqmm FRLS PVC 1100V grade copper flexible cable required qty as per site requirment complete all as specifed.(Invertor to AC control box)

Lightning protection for PV Array :- Design, supply & fix lightening arrestor, not less than two Nos of suitable early streamer emission (ESE) lightning arrestors, installed in the array field. Lightning arrestors/surge arrestors shall confirm to IEC 60099-4 or IS:3070 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units self supporting constructions, suitable for mounting on lattice type support with air terminal complete all as specifed.

GPRS Online monitoring system: Supply and Installation of data logger with wifi online monitoring system (GPRS Comminication system) of solar plant output parameters complete all as specified.

M&L for required qty of earthing for lightning protection for SPV modules etc as per IE rule, MNRE guide lines with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip 32x6mm size protected with GI medium grade 40mm dia for earth electrode upto test point by means of bolts, nuts, check nuts and washers including excavation, PCC(1:3:6) type C1 pit and PCC cover (1:2:4) type B1 and funnel with necessary charcoal, salt etc complete all as per electrical plate No3 of SSR Part I (GI Plate Earthing)

Charges for CEA (central regulatory authority) approval complete all as specifed and as directed.(CEA approval)

M&L for civil works required for support & foundation for SPV panel supports , control box, invertor etc complete all as specifed and directed.

Note : (i) Design of solar power plant to be vetted by NISE or independent agency approved by MNRE.(ii) Rates are inclusive for excavation required for item No 1 to 1.19 above. (iii) Solar plant installation location is CGRA ,near harbour estateTuticorin.

Serial Item No 2 : Maintenance and operation of 100KW solar power plant for the period of two years after the certified date of completion of Phase-I, complete all as specified and directed. Note :- Contractor shall employ 01 No ITI qualified personnel with minimium 02 years experience, and an unskilled helper , for operation, monitoring and preventive maintenance of solar power plant daily from 09 AM to 05 PM . The qualified personnel shall also take out the print out of power generation of all the data as specified and directed y the Engr-in-Charge. In addition to this the contractor shall also depute qualified engineer along with maintenance team for carrying out periodical maintenance, including minor spare parts(cost deemed to be included in the quoted rates) at an interval of 15 days.

Serial Item No 2A : Maintenance and operation of 100KW solar power plant for the period of three years after the defect liability period of two years (Commence after two years from the certified date of completion of Phase-I), complete all as specified and directed. Note :- Contractor shall employ 01 No ITI qualified personnel with minimium 02 years experience, and an unskilled helper , for operation, monitoring and preventive maintenance of solar power plant daily from 09 AM to 05 PM . The qualified personnel shall also take out the print out of power generation of all the data as specified and directed y the Engr-in-Charge. In addition to this the contractor shall also depute qualified engineer along with maintenance team for carrying out periodical maintenance, including minor spare parts(cost deemed to be included in the quoted rates) at an interval of 15 days.

Serial Item No 3 : Modification of existing LT panel by extension of busbar/alternation for inter connection with and including 4Pole MCCB 200 to 250 Amp, 50 Hz, 415 V with rupturing capacity 35 KA of rated capacity with sheet metal enclosure complete & connecting.

Serial Item No 4 : Supply and laying of 3.5 Core 35sqmm XLPE insulated armoured heavy duty 1100 V grade UG cable with multistranded aluminium conductor in trenches/wall/pipe/floor with suitable cable glands, cable route indicators @ 01 No each at a distance of not more than 30 meter in straight line and 01 No each at a distance of not more than 10 meter at bends/curves aluminium lugs etc complete all as specified.(AC Control box to AC combined panel board)

Serial Item No 5 : Supply and laying of 4core 185sqmm XLPE insulated armoured heavy duty 1100 V grade UG cable with multistranded aluminium conductor in trenches/on wall/through pipe with suitable cable glands,aluminium legs etc completecomplete all as specified.(AC combined panel board to existing LT Panel)

Serial Item No 6 : Excavation in trenches in any type of soil not exceeding 1.50 meter wide and not exceeding 1.5 meter in depth and getting out complete for laying of cable/pipe etc all as specified and as directed.

Serial Item No 7 : Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm thick each as in soft/loose soil, complete all as specified and as directed. Note: For payment purposes volume of returning filling shall be considered after 10% deduction.

Serial Item No 8 : Removing of surplus soil / excavated material to a distance not exceeding 50m and depositing where directed at a level not exc 1.5metre above the starting point complete all as specified and as directed.

Serial Item No 9 : Clean dry sand laid in trenches/ducts for bedding and cushioning to cable, 8cm in depth before laying the cable and 15 cm in depth after laying the cable including spreading, levelling and consolidation complete all as specified and as directed. Note : Consolidated/ punned sand shall be measured for payment purpose.

Serial Item No 10 : Supply and laying factory made unreinforced precast concrete cable cover, class LV, type 1 flat size 250mm x 150mm x 40mm for protection of LT cable laid flat length wise prependicular to the axis of cable complete all as specified and directed by Engineer-in-Charge.

Serial Item No 11 : Steel water tubes, `light grade', galvanised, with and including all fitting; laid/fixed in trenches/walls, 100mm bore complete all as specified and as directed.

NOTE:- MMS (Module Mounting Structure) design shall be supported with Stadpro report vetted by IIT/NIT and shall submit for approval of Accepting Officer. The height of MMS shall be as per latest MNRE guidelines and shall be based on the consideration of highest flood level in the area.