supply and fixing of 20w led street light at ward no.1 to 15 ( 420 nos ) in kariapatti town panchayat. supply and fixing of 20 w led street light for existing eb empty pole : supply and fixing of 20 w led street light fitting in the existing eb emptypole system made of pressure die cast aluminium housing with heat resistant toughened glass cover confirming to ip65. separate compartment for leds & electronic driver with cct of 5700k, pf >0.90 system efficacy>85 . operating voltage range of 120v to 270v with surge arrestor minimum of 1 kv. driver current not less than 700ma, thd< 10%.lumens package not less 100 lm / w for led source. test certificate from nabl 9national accredited board for testing & calibration laboratory ) for lm79 report.in house testing facility to be available for the same.lamp life not less than 50, 000 hours etc ; complete as per standard specification .3 rm supply and delivery of 3 core 1.50 sqmm flexible cable with isi mark. supply and delivery of 25 mm dia b class ( l shape ) gi bracket , supply and delivery of 7 x 3 x 4 mm rcc postclamp size 25x3mm thickness with 6 nos of 5 / 8 full thread 2 ms bolt nuts. labour charges for fixing of new 20 w led lamp fittings complete set and including all necessary items. as directed by departmental officers etc complete.