Providing 16 M Highmast Light at Ward No.51, Puthangal Lake Rajmohan Nagar West Tambaram in Zone4

Amount

Supply and delivery of 16Mtr long highmast Lighting pole fixed type swaged mild steel tubler pole lamp post with round bracket suitable for Eight 150W LED Nos of Light fitting fixing and painting with one coat red oxide and one coat Aluminium paint pole bottom section size 161 mmx4.50mm thick at 6.0mtr long. Middle section 139.70mm odx3.2mm thickx3.0mtr.Base plate 300mmx300mmx6mm thick with fuse box with fuse unit SMC fuse box,4 pole MCB,4 way concector,cable sleeve pipe 40mmxA classx1.2 mtr and earthing with GS wire, 2.5 sqmm copper wire for fitting to SMC junction inter connection, 1x400 Os watt son-T/MH flood light fitting and lamps philips/crompton lighting, ISI marked 31/2x25sqm PVC aluminium UG cable with cliping and laying in ground and end termination work, 1:2:4 cement with 40mm jelly for foundation to a depth 2.0mtr breadth 0.40mtr x0.4mtr below the ground level including 6" thickness mat concrete at the bottom of the pole and with suitable coping pedestal with cement concreteing with 20mm jelly to height of 0.3mtr above ground surface as per standard specifications (As per PWD SOR 2023-2024 Page No 111 Item no M-2138)

Supply of Early Streamer Emission Air Terminal (ESEAT) Model: S The ESEAT has corrosion resistant stainless chrome body made up of AISI 316 grade of height 0.50 metres capable of working in hazardous atmosphere. The Air terminal is non- radioactive and requires no special licensing. The unit is fully autonomous (no battery, no external power supply is required), collects energy from the ambient electric field.The ESEAT model has been tested in a high voltage laboratory in accordance with NFC 17 102 in order to measure the average gain in triggering. The 00 Nos average gain in triggering time (ATS) obtained during the lab test for the offered model is 60 μs.The ESEAT works on negative as well as positively polarized discharges. ESEAT has been tested for such discharges in Central Power Research Institute (CPRI). A dedicated tester is avilable to test the healthiness of the ESEAT on request (Page No. 37, Point No. 3 of Clause 8.6 of the Revised NFC 17-102 version 2011 ). ESEAT Model: S - Radius of protection : 46 Metres Level of protection considered for the Project-II level as per PWD SOR 2023-24 P 162 M-2140

Supply and insallation Cabinet Type Class 1 and 2 Combined Model SPD to arrest surges and overvoltages in the power line due to lighning switching action etc. they must be installed in 2.00 Nos the incoming MCC panel / DB of the respective buling in parallel 18780.00 to the power circuit. Model: PSV4-12.5/400TT (3 phase power network) (As per PWD SOR 2021-2022 Page No 151 Item no 5g)

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