Estimate for Erection of High Mast lights at Viyyur Power House Junction Division 4

Amount

Supply of 12M high mast shaft in two section with top dia 150 mm and bottom 360 mm, 4mm thicknes, suitable for 55 m/sec wind speed, with head frame, winch mounting bracket, luminaries carriage suitable to install 8 Nos luminaries in 16M Pole and 6Nos luminaries in 12M Pole in symmetrical arrangement including supply of raising lowering system comprising double drum winch type tested , 5mm diameter SS wire rope, trailing cable, connector, integral power tool 3 phase motor, manual handle, junction box, lightening finial along with supply of foundation bolts manufactured from special steel ( EN8 Grade) 6 nos per set along with nuts, washers, anchor plate and common template etc complete. Type test certificate of the winch and and wind tunnel test report of high mast from reputed institution must be submitted along with the bid.. (Technical Specification attached ) ( prefered make Bajaj / RR Ispat / Valmont)12 M High Mast(As per Technical specification A)

Supply and installation of Feeder Pillar mounted on angle iron frame 32A TPN MCB incomer, 32A 4P RCCB,single dial time switch, 25A TP contactor for the automatic switching of luminaries, power tool control with 2 no 9A contactors and raise lower push button, Incoming 35 sq. mm and out going 16 & 2.5 sq. mm terminals including providing provision to mount 1 no 3 phase energy meter in a separate compartment along with supply of 32 A cut out fuses, bakelite sheet for mounting the meter etc. as required.

Supply Installation testing and commissioning of Flood light of with pressure die-cast Aluminium housing, LEDs are to be provided with secondary lens optics to get optimum optical performance ,driver used should be specially designed to have built-in surge voltage protection of 5KV and external surge protection of 10KV, open/short circuit protections,Operational voltage in the range 120v to 275v AC, power factor 0.95 with THD less than 10%, colour temperature of 5700K + -300 . The luminaire shall have IP 66 protection and minimum efficacy of 130 lm/watt. LM 79 & LM80 from NABL accreditted lab to be submitted along with the tender.(Technical Specification attached ) ( prefered make Osram, Philips, Bajaj ) 150 W LED floodlight for 12mts pole

Errection of high mast pole on alreay fixed foundation bolts with the help of suitable tools and plants, wiring of luminaires with all wiring materials like PVC insulated, PVC sheathed flexible cable of suitable copper conductor cores of 1.5 sq.mm , lugs, MCB and all labour etc complete .12 M High Mast

Supply of LED aviation obstruction light and fixing on the top of mast

Providing independent ordinary pipe earthing using 1.5 mtrs of 40 mm dia GI pipe including connection to high mast earth terminal with 25x3mm GI flats with all materials and labour, and other specials such as common salt ,charcoal bolts and nuts etc. complete

Supply and laying of 1.1KV grade, 4Cx 16 sqmm XLPE insulated, PVC outer sheathed, with flat strip armoured Aluminium conductor, UG Cable in 50/38mm dia HDPE pipe at a depth of 50 cms including tar road cutting, resurfacing, termination of the cables using suitable glands and sockets etc. as required.

E R ANANDAN