Poringalkuthu Left Bank Additional Extension Project Supply, Installation testing and commissioning of 12.5 Mtrs High mast light 2 Nos at Powerhouse under Generation Subdivision Poringalkuthu

Amount

Supply and installation of LT panel

Supply, Installation, Testing and Commission of 12.5Mtr High mast in 2 section , 3mm sheet thickness on top & bottom , top dia 150mm ,bottom dia >300mm suitable for mounting 8 light fixture in symmetrical arrangement fitted along with control gear and having two point suspension system with stainless steel wire rope ( 316 grade, 6mm , 2 nos for winch and 3 nos for lantern carriage ) and double drum with luminaire mounting arm , pulley assembly , aviation lights,breakers and lighting arresters. Erection of mast with the help ofcrane, suitable equipment & wiring of luminaires with all wiring materials.High mast shall be suitable for wind velocity as per IS 875 part 3. RCC and Feeder panel specification should be as per Manufacturer/make specification. Luminaire and High mast should be of same make for effective installation & maintenance at site. Make should be riveted with Mast from Factory itself.Includes the feeder panel as per the pole manufacturer compatibility /specifications The Mast should withstand in 6 Numbers of M24X750mm "I" bolts having baseplate thickness of 25mm. PCD: 440mm & GA Drawing Along with Design report should be submitted for approval. Approval from Engineer -In-Charge is necessary for all items. Model: HM-1012.5P or equivalent.The supply of 200 W Flood light made of pressure die cast aluminium, with IP Lense along with secondary Lenses having product efficacy > 135 lum/watt using LED Chips. BIS approved potted driver, IP 66 or above, IK08 or above, power factor > 0.95, rated life of L70B50 @ 50,000 hours, CCT 5500+/-300K with a CRI=> 70, THD<10%, PF > 0.95, SPD of minimum 4KV internal and 10KV external Drive Surge Protection, with 60 Degree beam angle / as per design and including all necessary accessories as required for the light fixture. Manufacturers Name should be embossed on the luminaire, LM79,LM80 &amp; TDS reports need to be submitted.

Supply and installation of twin unit aviation LED obstruction light with red coloured polycarbonate dome and BC/ EC lamp holders suitable for LED lamp

Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board, 25A Connector, Digital timer, Suitable Copper socket, 2.5 sq. mm ISI marked FRLS PVC insulated single core copper conductor cable, 1.5 sq. mm ISI marked FRLS PVC insulated single core copper conductor cable, four pole,415 volts, isolator in the existing MCB DB complete with connections, testing, and commissioning etc, as required. 40 amps. Earthing with G.I. earth plate, including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of two metre long etc. (but without charcoal/ coke and salt) as required. HRC fuse base of 20/32A using suitable nut and bolt, 32A 2-way neutral link mounted on DMC/SMC base and 2.5Sqmm ISI marked FRLS PVC insulated single core copper conductor cable Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.15 mm copper conductor (10 SWG)

Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench 50/38 mm or nearest size.

Construction and Casting of RCC Foundation for High Mast Pole Installation Carry out the design and casting of a reinforced cement concrete (RCC) foundation using M25 grade concrete, tailored to the site conditions and structural requirements of the high mast pole. The scope includes Earthwork excavation as per site conditions,Measurement and preparation of the foundation base ,Cutting, bending, and placement of cold twisted reinforcement bars,Accurate positioning of foundation bolts, Installation of a 50mm diameter PVC conduit of appropriate length for cable entry and exit

candelaengineering corporation (BID ID -2432195)

Power Care Electrical (BID ID -2430034)