tender for annual maintenance and operation of electrical installation for both non residential and residential buildings including lift, ac machines, substation and d. g set of k s roy t.b. hospital, south 24 pgs.----- s&d of maintenance materials. , supply & delivery of 240v, 18/ 20 w led tube (polycarbonate with heat sink) with glare free light distribution with cct (5000k-6500k) having minimum luminous efficiency of 100 lm/ watt or better & 50,000 led burning hours or more. [make- philips/ wipro/lighting technology/ manufacturer with own nabl accredited lab with valid test certificate] [led lamps & accessories shall have bee certification] , supply and delivery of 4 feet industrial box type double led tube batten/ mounting rail (rust free) suitable for single tled lamp. [make- philips/ wipro/lighting technology/manufacturer with own nabl accredited lab with valid test certificate] , supply and delivery of 4 feet industrial box type single led tube batten/ mounting rail (rust free) suitable for single tled lamp. [make- philips/ wipro/lighting technology/ manufacturer with own nabl accredited lab with valid test certificate] , supply & delivery of 240v, 120 watt led street lights with optic lens and polycarbonate diffuser having following wattage, in white powder coated pressure die cast aluminium housing with ip 66 protection & incl. 10 kv spd, with glare free uniform illumination with cct (5700k-6500k) having minimum luminous efficiency of 110 lm/ watt or better & 50,000 led burning hours or more. [make- philips/ wipro/lighting technology/ manufacturer with own nabl accredited lab with valid test certificate] [led lamps & accessories shall have bee certification] , supply and delivery of 2.5uf burst proof p2 type capacitor. (make: tibcon) , supply & delivery of digital time swicth. (make: l&t model- 67ddt0) , s & delivery of 240 v, 9w, bc type, energy saving led lamp. (cool white) (make :- philips). , s & d of 240v, 1370 rpm, 230 mm (9) dia., 40watt a.c. exhaust