Operation and Maintenance of Street lights and High Masts i/c monitoring of Street light at various locations in North East area under Sub Division-I/M-2511 Delhi

(1). Supplying, Assembling, Erection and installation of continuously tapered multi faced and polygon cross-section of 12/12.5 mtr. high mast shaft with suitable size base plate complete with S/F twin dome aviation obstruction lights with two nos. 12 watt. Red LED Lamp with all other provisions for execution in conformation with detail technical specification:- a) The mast shaft shall be in 2 sections of suitable sectional lengths with slip joints b/w various sections without any circumpherial welding hot dipped galvanized inside and outside in single dip, suitable for wind velocity as per Is : 875 part-III b) Double drum winch provided with raising and lowering device suitable for operation with portable power tool for electrical operation with a remote control switch. c) Separate handle for manual operation of winch with a torque limiting device for safe ducking of carriage. d) Raising and lowering type lantern carriage designed to carry 10/12 nos. flood light fittings symmetrically mounted luminaries, control gear box, junction box and top pulley assembly with weather proof cover. e) 3 wire suspension system with steel wire rope of suitable size not less than 6 mm dia. f) Flexible copper power cable for connection of suitable size. g) Hinged service door in bore section, bore plale, earthing terminals. h) One no. heavy duty 1.2 mtr long hot dipped galvanized lighting finial. i). Supply of Foundaction bolts manufactured from special steel along with nuts, washers, anchor plates & templates. j). Bottom dia:- >350 mm, Top Dia:- >140 mm, Sheet Thikness:- 3mm to 4 mm

Providing and laying in position of M-20 (1:2:4) reinforced cement, concrate foundation of size 900mm x 900 mm x 3000 mm i/c excavation of earth & Providing cutting, bending & placing in position, reinforcement TMT bars of 12 mm dia 3000 mm long app.-06 Nos & reinforcement ring of cold twisted bar of 8 mm dia 3600 mm aprox -20 Nos (spacing 150 mm) as required with positioning of 20 mm dia foundation bolts with length of 800 mm, & providing 90 mm dia HDPE pipe for cable entry & exist as reqd at site.

150 Watt

Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

3C x 10 sq.mm (On Surface)

SITC of Outdoor type totally enclosed weather proof compartmentalised feeder pillar of following sizes and depth not less than 300 mm, fabricated with 2 mm thick CRCA / MS sheet with base frame fabricated from 35 x mm x 35 mm x 5 mm thick MS angle iron suitable for 415/ 500 volts 50 Hz A.C. supply with MS sheet on bottom for taking load of cable gland necessary individual gland plates for cable gland, hinged front openable double leaf door with locking arrangement complete with bus bar chamber having 100 amp TPN Alu. bus bar and the MS cover, covering the MCCB's / MCB's and aluminium strips etc. as reqd. (only MCCB's knobs shall be visible) i/c supplying and fixing the following mounting inside the feeder pillar - interconnections with suitable size Al. bus bar / Copper wire for outgoing and incoming MCB's/ MCCB's/ connector, earthing studs, powder coating/ stove enameled painting after 7 tank treatment process, suitable size CC foundation i/c covering the panel by painted wiremesh with central lock etc. as reqd. (not less than 0.45) a). 63 Amp 4 Pole 18 KA MCCB-1 No b). Suitable rotary direct mechanism for 63 Amp.-1 No c). Spreader link for 63 Amp-1 No d). Multifunction meter -1 No e). LED Indicator-1 SeT f). Single Pole MCB (5-32 Amp)- 3No g). Selector Switch - 1 No h). Digital timer-1 No i). 40 Amp 4 Pole Contactor-1 No j). CT-3 Nos