Tirumala Tirupati Devasthanams Tender

Supply, installation, testing and commissioning of Fang Fix Junior system - Inclusive of Al intrception rod of 1Mtr length(10mm dia ) , Quick mounting of the interception rod in the base using plug technology

Supply, installation, testing and commissioning of cross universal connector: For T and cross connection, to route vertical down conductor /mesh formation made of hot dipped galvanised iron with necessary screws etc as required. Installed with 4 hexagonal bolts M8*25 with M8 hexagonal nuts

Supply, installation, testing and commissioning of expansion piece with connector: For equalising temperature related length changes. Necessary on conductors length over 20 meters. For round conductor Rd 8/ALU.Connector: For T cross and parallel connectors. Quick installation using hexagonal bolt M10X30 high-grade hot dip galvanised. Conforms to the requirements according to DIN VDE 0185-305 (IS-IEC 62305)(2nos/expansion piece ).

Supply, installation, testing and commissioning of Test Joint (Folding Clamp) suitable to connect 8mm round conductor and max by 30x3 mm GI strip as specified in drawing and directed by Engineer

Supply, installation, testing and commissioning of Lightnig counter - To count no of lightning strike & it can record the date and time of the lightning incident also tested as per IEC 62561-6.

Providing of Independent Earthing with 40mm Dia GI Pipe 'B' class of 2.5 Mtrs length after excavating an earth pit of size1.5 m X 0.9 m X 2.55 m(Top 1.50 m X 0.90 m X 0.9m & bottom 1.20 m X 0.90 m X 1.65 m) with the following specification: (a) the GI pipe shall be inserted into the Ground for 2.25 M below the inspection chamber bottom 300 mm all around This pipe shall be covered with the mixture of 40 Kgs of coke, 20 Kgs of salt & sand including necessary earth work excavation in all kind of soils. (b) The excavated gap shall be back filled with excavated earth, and shall be properly consolidated with water. (c) The top 0.25 m of GI pipe shall be exposed into inspection chamber of Hum pipe. The all around inspection chamber shall be provided with 18" dia hume pipe. Earth connections shall be given to the 25 X 6 mm GI fat with bolts, nuts & washers, (d) A 65 mm dia PVC conduit is to be embeded through hume pipe at one side, to lay the Earth from the Earth bus to the Electrode through the PVC conduit and after laying the Earth, the pit entry PVC conduit is to be sealed with Bitumen compound. (e) Necessary Meggar testing is to be done in the presence of the concerned Engineers, and the reading should be as per IE standards.

Note: (1) the contractor should take safety measures for the workers while execution of work and the TTD is not responsible for any accidents/ other reasons