COMPREHENSIVE MAINTENANCE OF POWER FENCING AND CONNECTED WORKS UNDER GE VARSHA

Supplying and drawing in replacement Single Mode 6 Core Optical fiber cable having corrugated steel armoring. The Fiber should be SM Fiber Central -loose tube filled with Thixotropic jelly, duly following Standards: ISO 11801, IEC 60793-1/60794-1-2, ITU-T-REC G.652D and Telecordia GR-20-core, High quality Electro Chromium Coated Corrugated Steel tape (ECCS ) and HDPE- Sheath, Operating ambient Temperature should be – 5 °C to +50 °C and Storage Temperature shall be – 5 °C to +50 °C, Max Attenuation ± 0.36 (db / km) at Operational Wavelength 1310 nm and ± 0.22 db / km at Operational Wavelength 1550 nm. type of fiber should be 9/125 / G.652D & Refractive Index should be 1.4670/1.4675. The value for Mode-filed, Cladding Diameter 9.2 ± 0.4 µm and 125 ± 0.7 µm correspondingly. The Dispersion value < 3.5 < 18 ps/nm-km and PMD value < 0.2 ps/km and Cable Cut-off wavelength < 1260 nm i/c splicing & marking etc complete as required.

Supply & fix in replacement 500 VA UPS with 30 min Backup complete alll as specified and as directed by Engr-in-charge.

Supply and fix in replacement Alarm device operating on 12V DC supply having audibility of 100/110 db level with 300 m range, and operate when voltage on the fence is <3KV all as specified.

Supply and fix in replacement live lite with one side visibility and atleast 7 Nos of super bright LEDs emitting red colour powered on fence voltage and flashing on every pulse generated by energizer along with strlbe light -1No,with necessary connection complete all as specified and as directed by Engr-in-charge` .

Supply and fix in replacement Sealed Low Maintenance battery (SMF-VRLA) of 12V 65 AH capacity all as specified.

Supply and fix in replacement, testing and commissioning of ligtning divertor capable of diverting stray lighting from fence to earth

Supply and fix in replacement Ethernet switch with 8 port- 10/100 + 2 SFP port with power input 220 V, complete all as specified

Supply and fix in replacement OFC pig tails of minimum 3.0 Mtr long all as specified

Supply, installation, testing and commissioning of breakway insulators including replacement: The insulators to be used on intermediate security posts made of high- density polythylene UV stabilized having a shield to prevent arcing between wire and post with glossy surface to prevent accumulation of dust and facilitate cleaning, the construction and design of the insulator will be such that it will facilitate triggering of an alarm in the event of an intruder attempting to climb. The insulator must have a break down voltage of at least 15KV. Intermediate insulators must have two wire retaining lugs that field upon a load of 30 to 40 kgs.

Supply and fix in replacement End Strain Hooks hot dip galvanized upto 30microns for fixing strain insulators and tensioners complete all as specified.