81359 SPECIAL REPAIRS TO SOLAR SECURITY STREET LIGHTS AT KATTABOMMAN UNDER GE TIRUNELVELI

Amount

Taking down the old solar panel, battery and old unserviceable CFL light fittings and replace with 12W all in one integrated solar street light with Auto dusk dawn operation, UV stablised Polycarbonate cover,Monocrystalline panel, peak wattage not less than 40 Wp and panel efficiency 13.5% system lumen output not less than 2000 Lumens and system lumen efficacy not less than 175 lm/Watt, the luminaire shall use highly efficient & Hi Technology with potted type MPPT charge controller, Driver efficiency>90% , both charge controller and solar panel to be built in to the luminaire , housed with High grade aluminium extrusion housing to ensure good heat dissipation, the luminaire shall be with smart self diagnosis feature with LED indicators alongwith battery charging and deep discharging cut off indications , the system shall use long life maintenance free lithium ferro phosphate (LiFePO4) battery with BIS certification & battery capacity ampere hour not less than 18 Ah & 230 WH, battery voltage not less than 12.8 Volts, minimum battery 1800 cycle at 80% DoD. Battery protections Battery deep discharge <Battery overcharge, REverse battery, short circuit,temperature compensation panel should be high efficiency monocrystalline panel. LED burning hours to be minimum 50,000 Hrs, Ingress protection of IP65 at component level to comply, Colour temperature of luminaire CCT 5700 KANSI & CRI>70 including PIR Sensors complete all as specified and directed. Make: Crompton Model No. CSADHMP12CDL-NS or eqivalent in BHEL/ BAJAJ/ TATA/ PHILIPS/ SURYA as approved by GE

Refixing of serviceable battery after recharging and refilling with distilled water etc… including cable/lugs connection, complete all as specified and directed.

Refixing of serviceable solar PV module after cleaning and making necessary cable connections with necessary nuts, bolts etc… as required, complete all as specified and directed.

Vinayaga constructions

KRA Engineering and Construction

lakshmibuilders

SIRITEL SYSTEMS PRIVATE LIMITED

M/s Shana Constructions

VVM CONSTRUCTIONS

S KUMARAN