PROVN OF 03 NOS. HIGH MAST LIGHTS AT CGRA MEENAMBAKKAM AND TECHNICAL AREA OF CGSD TONDIARPET

Supply, Installation, Testing and Commisioning of 12.50 mtr. high mast of continuously tapered multifaceted and polygonal cross section high mast as per detailed specification and details given:- [a] Material construction of high mast sheet shall be of BSEN 10025 / lS 5986 Gr Fe 510 or equivatent. Mast shall be 1 or 2 sections, hot dip galvanized and suitable for wind velocity as per IS 875 Part 3 having suitable sectional length with slip joints between sections without any circumpherencial welding. [b] Double drum winch with separate handle for manula operation of winch with a torque limiting device for safe docking of carriage. [c] Raising/ lowering type lantern carriage designed to carry 9 nos. luninaries, control gear box, junction box and top pulley assemble with weather proof cover.

[d] Necessary suitable length for lowering & rising of lantern carriage of stainless steel wire ropes of 7/19 construction (with minimum 6mm dia) and multi core flexible copper power cable. [e] Hinged service door in base section base plate earthing terminal. [f] Suitable arrangement for supply distribution with termination of suitable size underground cable in high mast. [g] Complete with other provision for execution in the confirmation with detailed technical specifications. [h] Lighting conductor final made of 25mm dia 300mm long GI tube having single prong and aviation obstruction light. [j] Integral single power tool(electrical) for lowering and raising of high mast with separate manually operated system. [k] Anchor plate, templates, foundation bolts manufactured from special steel along with nuts washers etc. including casting of civil foundation suitable for erection of said high mast. Make: Crompton/Bajaj/ Philips

[l] Mast shall be provided with a feeder pillar fabricated out of 14 SWG CRCA sheet and finished with two coats of red oxide primer and grey enamel paint. The feeder pillar shall comprise of incoming TPN Switch Fuse Unit with HRC fuses or MCCB of suitable current rating, incoming / outgoing terminals and control for the power motor. Feeder pillar shall be mounted near to the mast. Suitable digital timer of reputed make, with necessary contactors, wiring etc. for ON/OFF control of the lamps should be provided and connected in the circuit. [m] Work to be executed as per standard engineering practices and as per manufacturers instruction. [n] Before placing the order the design/ drawing of high mast of the manufacturer shall be got approved by GE. [o] Work to be executed by the manufacturer or through their authhorized representative. [p] Size/type of RCC foundation Shall be carried out as per manufacturers drawings. [q] Any item missed out above but is technically required for safe and proper installation and operation of High Mast shall be deemed to be included in the quoted rate.

Supply, Installation, Testing and Commisioning of 16 mtr. high mast of continuously tapered multifaceted and polygonal cross section high mast as per detailed specification and details given:- [a] Material construction of high mast sheet shall be of BSEN 10025 / lS 5986 Gr Fe 510 or equivatent. Mast shall be 1 or 2 sections, hot dip galvanized and suitable for wind velocity as per IS 875 Part 3 having suitable sectional length with slip joints between sections without any circumpherencial welding. [b] Double drum winch with separate handle for manual operation of winch with a torque limiting device for safe docking of carriage. [c] Raising/lowering type lantern carriage designed to carry 8 nos. luminaries, control gear box, junction box and top pulley assemble with weather proof cover. [d] Necessary suitable length for lowering & rising of lantern carriage of stainless steel wire ropes of 7/19 construction ( with minimum 6 mm dia) and multi core flexible copper power cable.

[e] Hinged service door in base section base plate earthing terminal. [f] Suitable arrangement for supply distribution with termination of suitable size underground cable in high mast. [g] Complete with other provision for execution in the confirmation with detailed technical specifications. [h] Lighting conductor final made of 25mm dia 300mm long GI tube having single prong. [j] Integral single power tool(electrical) for lowering and raising of high mast with separate manually operated system. [k] Anchor plate, templates, foundation bolts manufactured from special steel along with nuts washers etc. including casting of civil foundation suitable for erection of said high mast. make: Crompton/Bajaj/ Philips [l] Mast shall be provided with a feeder pillar fabricated out of 14 SWG CRCA sheet and finished with two coats of red oxide primer and grey enamel paint. The feeder pillar shall comprise of incoming TPN Switch Fuse Unit with HRC fuses or MCCB of suitable current rating, incoming / outgoing terminals and control for the power motor. Feeder pillar shall be mounted near to the mast. Suitable digital timer of reputed make, with necessary contactors, wiring etc. for ON/OFF control of the lamps should be provided and connected in the circuit.

[m] Work to be executed as per standard engineering practices and as per manufacturers instruction. [n] Before placing the order the design/ drawing of high mast of the manufacturer shall be got approved by GE. [o] Work to be executed by the manufacturer or through their authhorized representative. [p] Size/type of RCC foundation Shall be carried out as per manufacturers drawings. [q] Any item missed out above but is technically required for safe and proper installation and operation of High Mast shall be deemed to be included in the quoted rate.

Supply, fix, test and commissioning of 300Watts LED flood light, High performance floodlight luminaire with pressure die-cast housing, toughened glass and econdary lens optics with IP66 ingress protection, Efficacy 120 lm/W with emitter LED aluminium reflector for better uniform distribution of light all as per Cat No.PRAZE F 360L WH NB-A5 TG SD of Bajaj or technocommercially equivalent of other specified makes including connecting up complete all as specified and as directed. Note: The new fittings shall bear the CA No. and Year written by Black synthetic enamel paint using stencils or by permanent marker pen and the unit quoted shall be deemed to include the cost of writing these details.

Supply and lay in trenches/drawn through pipes or in road crossings/ paths/drains/ ducts/ floors/ along poles/ equipments etc., of LT cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric power cable with stranded aluminium conductor, 1100 volts grade confirming to IS-7098 (Part-I) 1988 of size 25 Sqmm x 4 core including connecting up using suitable size aluminium lugs and connecting accessories, testing and commissioning etc., complete all as specified and as directed. Note : Excavation earth work, sand cushioning and brick protection, GI Pipe, DWC pipe etc., shall be measured and paid separately under relevant items.

Supply and lay in trenches/drawn through pipes or in road crossings/ paths/drains/ ducts/ floors/ along poles/ equipments etc., of LT cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric power cable with stranded aluminium conductor, 1100 volts grade confirming to IS-7098 (Part-I) 1988 of size 25 Sqmm x 3.5 core including connecting up using suitable size aluminium lugs and connecting accessories, testing and commissioning etc., complete all as specified and as directed. Note : Excavation earth work, sand cushioning and brick protection, GI Pipe, DWC pipe etc., shall be measured and paid separately under relevant items.

Supply and lay DWC HDPE pipe lSI marked in trenches or in cable ducts or fixed on walls using clamps along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. of size 63 x 50 mm dia (OD X ID) complete all as specified and as directed.