Erection and installation of street light posts at Township/Ph1 area of FACT-CD, Ambalamedu.

Erection and installation of street light posts at Township/Ph1 area of FACT-CD, Ambalamedu.

Erection of new street light post: The scope of work includes cutting the scrapped Rail sections kept at the FACT-CD Rail yard /Phase 1 scrap yard/ Electrical Workshop area to a length of 10 Meters, transporting the same to various locations as directed by the Engineer-in charge, erecting the same and concreting (ratio 1:4:8) the footing and constructing a brick work foundation at the ground level as per the drawing attached and plastering the brick work. Suitable size of webs shall be welded at the bottom of the Rail post before erection. MS ISA 65 x 6 of suitable length shall be welded at the back side of rail post at a spacing not more than 30 cms as step to reach the top for easy repair/maintenance of light fitting. The rail posts shall be painted using coal tar paint. A yellow band in enamel paint, 450mm wide at equal spacing of 450mm through out the length shall also be provided. The brick work foundation shall be painted black. After erecting the post, the plot shall be consolidated with soil. The MS angles required for the work shall be supplied by the contractor.

Supply of pole mounting type street lighting fixture : The scope of work includes supply of pole mounting type street light fixture with standard accessories (driver unit, heat resistant toughened glass/poly carbonate cover, power terminals etc.) with output not less than 9000 lumens, aluminium alloy die cast body with good quality Power LEDs. Input volt-230V,Degree of protection -IP-65,having minimum life time of 5000 Hrs and surge protection required. The fixture shall be of reputed make and shall be guaranteed for 1 year from the date of supply.

Supply of 250X200X150 mm size SMC box: The scope of work includes supply of 250X200X150 mm size SMC box and the box shall be provided with the following: 1).One Nos. 6 A MCB/porcelain fuse should be provided for the lighting circuit. 2) 2 Nos Al.strips (size 80mm X 20mm X 4mm )mounted on fibre insulation supports for interlinking cables. 3)Terminal for earthing: Terminal strip shall be provided with bolts, nuts & washers suitable for the cable connection for earthing.Required number of cable entry shall be provided only at the bottom side of the box.

Installation and commissioning of LED type street light fitting. The scope of work includes installation of street light fixtures,termination of cables,testing and servicing. The light fitting shall be fixed on 3 mm thickness G.I pipe and the pipe shall be welded to the rail post. The work includes laying of 3 X 2.5 sq.mm Cu.cable for wiring the light fitting from the SMC junction box and clamping of cables to the post using Aluminium strip (width 20 mm and thickness 2 mm) at an interval not more than 60cm. All materials such as G.I pipe, Aluminium strips, G.I nuts and bolts ,coupling/reducer for the pipes etc. required for the work shall be supplied by the contractor. The fitting shall be energised using 3 x 1.5 sqmm armoured cable from the SMC box and shall be supplied and installed by the contractor.

Installation and servicing of SMC boxes on rail posts: The work includes installation and servicing of 250 mm X 200mm X 150 mm size SMC boxes on rail street light posts at suitable heights from the ground level. The work also includes glanding and termination of all the incoming and outgoing cables and internal wiring of junction box. The box shall be mounted on M.S brackets which shall be welded to the Rail post. Cable entry shall be provided only at the bottom of the junction box and suitable sized G.I pipes shall be inserted inside the brick work foundation for drawing the cables from cable trenches to SMC box. The spare holes shall be properly sealed.

Excavation of Cable trench: The scope of work includes excavation of cable trench including road crossing . Depth of cable trench shall not be less than 70 cms and width 30 cms. A layer of country brick shall be covered over the cable and the trench shall be consolidated with soil after laying the cables.

Cable laying :-The scope of work includes laying of 3/4 X 2.5/4/6/10 sq.mm armoured cable through cable trenches. Transportation of cable from FACT -CD store/Phase1 Electrical workshop to the respective sites shall be arranged by the contractor.

Cable jointing:- The scope of work includes jointing of 3/4 X2.5/4/ 6/10/16/25 sq.mm armoured cables. Suitable size of cable jointing kit shall be supplied by the contractor.

Dismantling of damaged street light posts: The scope of work includes disconnection, dismantling and retrieving the junction boxes,fuses,cables and light fittings from the damaged street light posts and dismantling the damaged street light posts and transporting the same to the Phase1 scrap yard. The transporting vehicles, tools and machineries required for the work shall be arranged by the contractor.

Supply of cable for street lights: Supply of 650/1100V, copper conductor PVC insulated, extruded PVC sheathed, armoured, FRLS PVC outer sheathed YWY/YFY cable of size 4c x 2.5 sq.mm.

VIJAYAN K K

VIKRAMAN NAIR S

GERESH ELECTRICALS PRIVATE LIMITED