supply and fixing of 90 w led street light fitting with 8metre single bracket pole in 28 places in ponnampatti town panchayatthiruchirappalli district. , supply and fixing of 90 w led street light: supply and fixing of 90 w led street light fitting in thesystem 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 40 mm dia b class (l shape) gi bracket , supply and delivery of 7 x 3 x 4 mm rcc postclamp size 50x3mm thickness with 6 nos of 5/8 full thread 2 ms bolt nuts. labour charges for fixing of new 90 w led lamp fittings complete set and including all necessary items. as directed by departmental officers etc complete. , supply and fixing of 8 metre length gi steel tubular pole for street light single bracket pole with base plate (250x250x6mm) of 114.30mmod x 5.4 mm thick x 4500mm length,88.90 mm od x 4.85mm thick x1750 mm length, 76.1mm od x3.25mm thick x 1750mmlengthcomplete set and including all necessary items. as directed by departmental officers etc complete , supply and fixing of4.00sqmm 3core copper cableincluding all necessary items. as directed by departmental officers etc complete(twad sor 2021-22sl. no. 12.1, page 116.) , supply and fixing of ms box synthetic moulded compound box for street lightand including all necessary items. as directed by departmental officers etc complete , supply and fixing of 24 hours analag timer switch with shortest switching time 30minutesincluding all necessary items. as directed by departmental officers etc complete.(pwd sor page no.115 ) , labour charges for erection of8 metre gi single bracket pole including earth work excavation for pit ,foundation conctrete ,steel fabrication ,rcc 1:1.5:3 mix andall labour charges for laying and fixing in position etc,..complete.(as per working sheet).