PROVISION OF ROOF TOP SOLAR PV PANELS AT AF STATION BEGUMPET UNDER GE AIR FORCE HAKIMPET

Amount

Supply, Install, Test, Synchronise and Commissioning of Roof Top Solar Power Plant of Capacity 20 KWp, On-Grid type complete with following components at SMC :-

Solar PV Modules as per latest MNRE specifications :-

Mono crystalline with corrosion resistant aluminium frame, inter connecting cables, diodes etc - Qty as required to generate 20 KWp. Make : - LOOM SOLAR / LUBI SOLAR / LUMINOUS POWER TECHNOLOGIES / ADANI SOLAR.

Technical Specifications

(a) Output power - Pmax - 360 Wp or above

(b) Modules should have efficiency of not less than 16% and the fill factor should be above 75%

(c) Voltage at Pmax - 38.59 V minimum for 60 cells / 36.69V for 72 cells

(d) Current at Pmax - 8.1A minimum for 60 cells / 8.9 A for 72 cells

(e) Short circuit current - minimum 8.55 A

(f) Maximum system voltage (Volts) - 1000 V DC

(g) Type of Solar PV cell - Mono crystalline silicon

(h) Certification - The PV modules must conform to the latest edition of any of the following IEC / Equivalent BIS Standards for PV module design qualification and type approval as per IEC 61215 / BIS 14286

(j) In addition, the modules must conform to IEC 61730 Part 1 (A1+A2+A11) requirements for construction & Part 2 (A1) requirements for testing for safety qualification

(k) Application Class-A

(l) Safety class - A

(m) Fire rating class - C

(n) Power Warranty - 10 Years warranty on 90% of the minimum output and 25 years warranty on 80% of the minimum output

(i) Material and Performance Warranty

(a) PV modules including framework must be warranted by the contractor for out put peak wattage, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years from the date of completion of work.

(b) Contractor will obtain similar warranty from the original manufacturer and will submit the same to the GE (AF) Hakimpet. However, contractor will be responsible for the enforcement of warranty which shall include (i) Defects and /or failures due to manufacturing (ii) Defects and / or failures due to quality of materials (iii) Non conformity to specifications due to faulty manufacturing and / or inspection processes

(c) If module(s) fail (s) to exhibit such power output in prescribed time span, the contractor / manufacturer will be bound to either deliver additional PV module (s) to replace the missing power output with no change in area of site used or replace the PV module(s) without claim of extra cost at the sole discretion of GE (AF) Hakimpet. An amount as fixed by Garrison Engineer shall be held against as Secutiy Deposit

(d) The mounting structures of solar PV modules, electrical works and overall workmanship of the solar power plant upto inverter must be warranted for a period of minimum 05 (Five) years.

(II) Module Mounting Structure

(i) It shall be made of Hot dip galvanised MS channel MC-75 (ii) Suitable fastening arrangement, grouting and coping of 30 cm x 30 cm x 20 cm with PCC (1:2:4) to be provided to secure modules against wind.

(III) Array Junction Box (AJB) :

(i) AJB's shall be made of GRP/FRP with dust, water & vermin proof arrangement with IP 65 protection with transperant covers. (ii) It shall have SPD and Reverse blocking diodes.

(IV) Solar on Grid Inverter with MPPT Charge Controller :

(i) It shall be enclosed in weatherproof enclosure with minimum IP 65 protection (ii) It shall have features like wake up, synchronisation, shut down etc (ii) It should have Anti-Islanding protection and also Internal protection arrangement against various electrical faults (iii) Nominal Output power 3 Phase, 415V, AC, 50 Hz (iv) THD shall be less than 3% (v) PF more than 0.9 (vi) Switching device IGBT/MOSFET.Make : ABB/SIEMENS/POLYCAB/POWER ONE OR EQUIVALENT as approved by GE.

(V) AC Distribution Box (ACDB) :

It shall be made of GRP/FRP with dust, water & vermin proof arrangement with IP 65 protection with transperant covers. (ii) It shall have SPDs, control gears (MCBs) etc.

(VI) Cabling, Wiring and Conduiting

(i) Interconnections to be provided all as per OEM recommendations complete for AC and DC supply from Solar PV modules to AC distribution panel. (ii) All wires / cables must be terminated through cable lugs. (iii) The input & output termination can be made through suitable cable glands.

Supply, Install, Test, synchronise and Commissioning of Roof Top Solar Power Plant of Capacity 50 KWp, On-grid type but Makes and Specifications all as per Ser Item No 1 above complete with following Notes at Navigation Training School :-

Notes for Item No 1 & 2 above

(a) Quoted rate shall be inclusive of cost of comprehensive maintenance for Period of 2 Years from the date of Completion of Work. It includes Preventive Maintenance i.e. Solar Engineers shall visit the site and service the system once in quarter.and Breakdown Maintenance like repairing, replacing faulty components, wires etc free of cost. The maintenance service provided by contractor shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. ( Penalty Rs 200/- and Rs 400/-per day will be charged on contractor for non-functioning of the solar plants 20 KW and 50 KW respectively for any day during comprehensive maintence period)

(b) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost.

(c) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate.

(d) After successful installation contractor should provide final drawing of electrical wiring, test certficates, warranty certificates, manuals to the Engr-in-Charge.

(e) To read module information, one RFID tag meter shall be supplied by contractor for every inverter, for which rate is deemed to be included with the quoted rate.

(f) LT Cable required to connect from AC distribution box to existing LT panel at Sub Stn shall be measured and paid separately. However, cables required for all other connections shall be inclusive in quoted rate.

(g) A display board of size 4 ft x 3 ft made of MS 40 mm x 40 mm square pipe and flexes is to be supplied and errected at both the solar plant site showing information as directed by Engineer-in-Charge.

Supply and fixing Air termination, single pointed aluminium rod 12 mm dia and 300 mm long alongwith nuts, bolts, bracket etc to fix directly on solar PV modules and connecting with aluminium strip complete all as specified and as directed.

Supply and fixing Aluminium strip 25 mm x 3.15 mm with saddles (or insulators) and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and as directed.

Supply and fixing Galvanised iron strip 32 mm x 6 mm buried in ground or fixing on walls using saddles or insulators complete all as specified and as directed.

Supply and Fix Earth continuity conductor or main earthing lead fixed to wall on batten as required 4 mm dia galvanised iron or steel wire complete all as specified and as directed.

M&L for earthing complete with galvanized steel earth plate electrode of size 600 mm x 600 mm x 6 mm thick, buried directly in ground vertically to a depth not less than 2.25 Mtr below ground with top edge of the earth plate not less than 1.5 mtr below normal ground level, Earth plate shall be connected with double bolts, nuts, check nuts & washers, to & including 32 mm x 6 mm galvanized iron strip as earth lead, extended upto 7.5 mtr 'or' upto test terminal point, drawn through 40mm dia light grade GI pipe for protection of galvanized iron strip in the ground, further connecting with suitable size of earth strip to LT Panel, DBs etc., including excavation, earth work, magnesium sulphate-50 Kg and charcoal in alternate layers on all sides sorrounding the earth plate, bentonite-25 Kg clay mixed with water and loomy soil sorrounding the plate on all sides, all as specified, PCC chamber, PCC cover slab, watering pipe 20mm dia bore med. grade, wire net, funnel etc. & testing on completion all as specified in plate No.3 of SSR Pt-I, complete all as specified and as directed. NOTE :- (a) GI Pipe for protection of earthing strip and earth strip beyond 7.5 mtr shall be measured and paid seperately under relevant items.

Supply , lay and testing LT 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 3.50 Core 35 Sqmm complete all as specified and as directed. NOTE :- Earth work i.e. excavation, Returning, Filling & Removal and necessary cable protection shall be measured and paid seperately.

Supply , lay and testing LT 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 3.50 Core 70 Sqmm complete all as specified and as directed. NOTE :- Earth work i.e. excavation, Returning, Filling & Removal and necessary cable protection shall be measured and paid seperately.

Excavation in trenches not exceeding 1.5 mtr in wide and not exceeding 1.5 mtr in depth for laying of cables etc and getting out in Soft / loose soil complete all as specified and as directed.

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

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

Supply and spreading clean, fine, dry river sand in trenches for cushioning of under ground cable / inside transformer yard complete all as specified and as directed . Note: Only punned thickness shall be measured for payment purpose.

M&L for Burnt Brick sub class 'B' brick dry of size 230 mm x115 mm x 75 mm laid across trenches for cable protection complete all as specified and as directed.

M&L for 50 mm dia galvanized steel tubing, light grade, with all fittings for protection of cable etc complete all as specified and as directed .

Supply and Install Three Phase Net Meter (Bi-Directional Meter) / 5Amps , LT CT coil operated including CT coil of 200 / 5 Amps Qty 3 Nos including transperant type weatherproof enclosure and copper wires complete all as specified and as directed.

Indu Electricals

Saiansh Associates

WAVESHAPES INDIA

BRITE INDUSTRIES

POWER CONSTRUCTION COMPANY

DWARKA PERSHAD RADHEY RAMANLAL

M/S - KRUPA ELECTRICALS