tender for improvement and development of electrical installation on existing gi poles at dera mandi road in ward no.158 bhati under sz.; 1 led street light fixture, powder coated pressure die castaluminum body (system lumen efficacy >135 lm/watt)supplying, installation, testing & commissioning of street light led fixture, powder coated pressure die cast aluminum body with built in or separate driver as per the requirement with driver efficiency >85%, input voltage: 140-270 volt ac, freq 50/60 hz, operating temp range -15 deg to 50 deg centigrade, internal surge protection of 5 kv l,n,e as per iec 61000-4-5, driver efficiency >85%,thd < 10% as per iec 61000-3-2 , p. f.≥0.95, ip66,ik-10, cri >80 , under voltage and over voltage protection,emiemc as per cispr-15, lenses for beam angle as per iesna type i/ii/iii as per the width of the road and the project requirement., suitable to fit in up to 65mm dia pipe, life time (led,driver & electrical circuitry) of minimum 50000 burning hours with 70% of initial lumen maintained till life ends as per lm80 extrapolation ies tm-21-11 report , cct 3000°k / 4000°k / 5700°k /6000°k/6500°k (as per ansi bin) , sdcm(standard deviation color matching) <5, maximum power consumption should not more than the specified rating and fixture shall be of relevant bis standard complete in all respect i/c connections with 1.5 sq mm frls, pvc insulated copper conductor single core cable and earthing etc. as required with minimum 5 year oem warranty. system lumen efficacy >135 lm/watt output . lm79 & lm80 test report from nabl lab for all testing required for led fixtures as per bis shall be submitted. shape size and cct shall be as approved by engineer-in-charge as per requirement. (thermalmanagement: heat sink of aluminum housing such that led junction temperature shall not rise above 90°c)45 watt 2 fabrication supplyiing and fixing b-class galvanised single overhang arm bracket made out of 250 mm long galvanized top tube with cap 1000mm long 32 mm dia galvanized pipe with tightening bolts complete as reqd. 3 supplying and drawing following sizes of frls pvc insulated copper conductor,single core cable in the existing surface / recessed steel/ pvc conduit as required.3 x 1.5 sq.mm 4 supply of xlpe insulated pvc sheathed al. conductor armoured cable 1.1kv grade conforming to is-7098 of following size:-2c*6 sqmm 5 laying of one number pvc insulated and pvc sheathed / xlpe power cable of 1.1 kv grade of following size in the existing masonry open duct as required. upto 35 sq. mm 6 laying of one number pvc insulated and pvc sheathed / xlpe power cable of 1.1 kv grade of following size in the existing rcc/ hume/ metal pipe as required. upto 35 sq. mm 7 supplying and laying of following size dwc hdpe pipe isi marked along with all accessories like socket, bend, couplers etc. conforming to is 14930, part ii complete with fitting and cutting, jointing etc. in the existing trench, complete as required. 63 mm dia (od-63 mm & id-51 mm nominal) 8 excavation of the cable trenches in hard rock not exceeding 1.5 metres in width, and lift upto 1.5 metres, including getting outthe excavated soil and disposal of excavated soil as directed within a lead of 50 metres 9 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinthlevel :1:3:6 (1 cement : 3 coarse sand (zone-iii) : 6 graded stone aggregate 20 mm nominal size) 10 supplying and fixing of light class g.i. pipe of 50 mm dia. (nominal)3 metres length along the pole for protection of under ground cable as required.