tender for /gr_5 provide the 15 watt led based solar street illumination work, provide the 15 watt led based solar street illumination work at (i) infront of bapi mondals house at nimtala under hatinagar g.p., (ii) infront of kalu mondals house at nimtala under hatinagar g.p., (iii) infront of sangita saha house at nimtala under hatinagar g.p., (iv) kulberia colony (nimail) stating of football play ground under gurudaspur g.p., (v) middle of the kulberia colony (noimail) football play groundtotal 03 (three) no unit under gurudaspur g.p.,(vi) infront of kulberia colony (noimail) mandir, under gurudaspur g.p. under murshidabad district. sl. no. item description 1 supplying and fixing of integrated solar 15 watt led street light in aluminium extruded enclosure ip65 with built in mono or poly crystalline panel, lithium ferro phospate (lifepo4) battery, mppt charge controller and sensor with colour temperature between (5500-6500) degree kelvin, having following minimum specification on top of tubular pipe pole.solar panel: 40 watt peak or higher.lumen output: 120 lumen/watt.viewing angle: 120° or higher.red led for battery lowgreen led for solar chargingbattery capacity: 12v, 18ah or higher.autonomy: 2 days, expected battery life 2000 cyclesin-built bms for battery safetymaintenance free operating temperature of (lifepo4) - 10° c to + 55° chigh efficiency > 90%battery charging time not more than a dayreverse polarity protection for battery & solar panelover charge & deover charge & deep discharge protection forover voltage & over current protection from solar pv moduledusk to dawn operation, cooling air naturalbis/mnre/iec approved.make: crompton / havells / bajaj / surya 2 supplying and installation of 6 mtr. long, 76.1 mm outer dia, 3.6 mm thick, conforming to is 1161; 2014 with corrosion proof galvanisation conforming to is 2629-1965 withole cap at top and base plate of 3 mm thick 200 mm x 200 mm and coupler for fixing luminary set in cc foundation (proportion and dimension indicated below), having 600 x 600 x 150 mm thick cc (4:2:1) base block below base plate / pole with hard metal including cc with metal chips (6:3:1) of size 600 x 600 x 1000 mm below ground level including 3 mm thick neat cemented finish and gl earth bolt after making drilled holes etc. on pole & carriage of pole at work-site including filling up the excavated earth pit with shifted soil and ramming properly. 3 sub total 4 gst 18% 5 cess 1%