Providing Lightening Arrester and Civil Aviation Light to Construction of 56 HIG flats at Varaganeri in Trichy East Taluk Trichy District

Amount

Supply of Early Streamer Emission Air Terminal. Heading

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 average gain in triggering time (ΔTs) 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 etc., complete complying with standard specification and as directed by the departmental officers.

Supply of Standard / Special Mounting Structure of height 4.5 mts. pipe, and 300 x 300 x 8mm MS plate, 3 mts.-48mm OD class C GI outer pipe,1.8 meters-38mm OD inner pipe, for roof mounting on concrete base and with FRPb adapter etc., complete complying with standard specification and as directed by the departmental officers.

Supply and run of 25mm x 6mm GI Flat Down Condutor with necessary clamps / supports on wall / floor / ground for earth connection etc., complete complying with standard specification and as directed by the departmental officers.

Supply of Test Link Box for each Down conductor in order to disconnect the earth termination system to enable measurement of resistance etc., complete complying with standard specification and as directed by the departmental officers.

Supply and Installation maintenance free GI Earthing System comprising of 50mm dia and 2 meter long earth electrode of low carbon steel rod with 100 micron bonding and 25 kgs. of carbon based environment friendly backfill compound and suitable clamp etc., complete complying with standard specification and as directed by the departmental officers.

Supply and Installation Cabinet Type Class 1 and 2 Combined Model SPD to arrest surges and over voltages in the power line due to lighning switching action etc., they must be installed in the incoming MCC panel / DB of the respective buling in parallel to the power circuit. Model: PSV4-12.5/400TT (3 phase power network) etc., complete complying with standard specification and as directed by the departmental officers.

Sub Total

GST at 18%