supply and installation of solar light near bamunia pry school, near paramanandapur kali mandir, near moula atchala and near rejna vhim tola within laxmipur gram panchayat under chandrakona-i panchayat samity.-1.01 12v 75wp mnre approved solar panel as the efficient of the pv modules list 10 years 90% 2nd 8 year 82 to 85% & 3dr 7 year 70 to 75% the terminal bos on the module should have provision for ‘’opening’’ for replacing the cable, if required. the required cables 2.5 & 1.5 sq mm 2 core cable with isi stander rates is also incude. module make- exide, vikram, subham 1.02 12.8v 18ah. lithium po4 battery over charge cut off 14.20v. battery deep discharge cut of : 11.65v. short circuit protection inbuilt with the system. solar battery. ( 1set ) . make-sanvaru, am-tech, duak 1.03 15w streer light with dusk to dawn automatic photo sensor controller and with timing circuit.luminary should be ip 65 protection.the light source will be of white led type.the luminous performance of led used should not be less than 15watt. use of leds which emit ultraviolet light, must be avoided ( 1 set ) . the required cables 2.5 & 1.5 sq mm 2 core cable with isi stander is also incude. 1.04 6.00 meter hight g.i.with 100 mm dia pole with two cote of anti corrosive synthetic enamel paining over a coat of primer 1.05 instalation with civil materials for foundation i.e.base with cement concrete 1:2:4.the circular excavation will be 1.2 mtr deep and 30 mte dia.the circular concrete also projected 300 mm gl. 1.06 providing display board with 20 swg gi sheet with necessary leter writing as oer direction and will be fixed in gi pole with fittings arragments.size of sheet ( 0.60m x0.30m x 0.075 m ) 1.07 providing three phase photo