SUPPLY, INSTALLATION AND COMMISSIONING OF HIGHMAST LIGHT INCLUDING CIVIL WORK

I. Electrical

1. Pole erection

Supply installation testing and commissioning of High Mast using Octogaonal Pole made single/two sections of hot dip galvanised GI sheet 150mm top diameter, 360mm bottom diameter thickness 3mm mm suitable for wind speed as per IS 875 Part III with head frame assembly two point suspension system with steel wire rope 5mm dia double drum winching system w and including round arm galvanized luminary carriage suitable to install 6/8 nos luminaries in symmetrical arrangement control gear box and lighting spikes with single phase operation power tool installed inside the base compartment including connector foundation bolt 6 nos fixed in existing RCC foundation and junction box etc, complete 16 Meters

2. Illuminaires

Supply and installation of 300W LED Flood light output > 120lumen/W 4000- 6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor >0.95 at full load, internal surge protection up to 10 KV,and Aluminium pressure die-cast Powder coated housing, acrylic cover complete with THD <10%, power factor >0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer)

Supply of LED-type dom aviation obstruction light with terminal for cable termination and all necessary accessories as required

3. Earthing

Earthing with G.I. earth pipe 4.5 metre 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

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as stripearth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

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

Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.25 mm GI conductor (10 SWG)

4.Switchgears

Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

Supplying and fixing following rating surge protection device confirms to IEC61643- 11 having protection against direct and indirect lightening surges. Type 1+2, I max 50kA, 3 P+N module

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve,miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.Single pole and netural

Supplying, installation, testing and commissioning of Astronomical time switchcapable of following output in feeder pillars/ Lighting DBs for automatic switching On &OFF of street lights at sun set & sun ruse or twilight override facility with 12/24 hour display format with suitable battery and indication for relay status i/c programming at site complete ad required3 output (1output per phase) and suitable for three phase supply

Supply and installation of the following accessories suitable for 50Hz, AC supply conforming to IS 8828- 1995/ IEC 60898 of the following current ratings in the existing enclosure and giving connections as required Single dial timer unit analog type

Supply and installation of the following accessories suitable for 50Hz AC supply conforming to IS 8828- 1995/ IEC 60898 of the following current ratings in the existing enclosure and giving connections as required 4 pole 63 A contactor

5.Cabling

Supply & laying of one number PVC insulated and PVC sheathed armouredaluminium power cable of 1.1KV grade of the following sizes in the existing RCC/HUME / STONE WARE/ GI/ DWC pipe as required.4 core 4 sq mm

Supply & laying of DWC pipe in ordinary soil 0.75m below ground level including excavation63/50 mm or nearest size

Supplying and drawing following sizes of FRLS PVC insulated copper conductor,single core cable in the existing surface / recessed steel/ PVC conduit as required.5 x4 sq. mm

II.Civil

1.Foundation works

Earth work in excavation by mechanical means (Hydraulic excavator)/manual meansover areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposedearth to be levelled and neatly dressed.All kinds of soil

Providing and laying in position cement concrete of specified grade excluding thecost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4coarse sand : 8 graded stone aggregate 40 nominal size)

Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

Steel reinforcement for R.C.C work including straightening, cutting, bending, placingin position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

Structural steel work riveted, bolted or welded in built up sections, trusses and framedwork, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing bolts including nuts and washers complete.

S.K.LIGHTS

AJITH

candelaengineering corporation