Tirumala Tirupati Devasthanams Tender

Supply Laying and Transportation of Outer dia 120mm and inner dia 103.5mm, 6Kg/Sq.Cm (PE- 100 grade) double walled corrugated HDPE duct made as per specification BSEN - 500 86/IS 14930 Part-II. Make: DURA LINE (Dura Guard) or its equivalent make.

Supply and Making heat shrinkable type outdoor terminations / joint kit of approved make suitable for XLPE insulated 11 KV cable, with required components, prepration of cable ends, testing etc. as required of 3 core 120 / 150 / 185 Sq.mm sizes. Make: Raychem / M seal / Denson / Multy / Transeal- Hongshang

Supply and fixing of 11 KV, 400 A 3 phase central post rotating double break type AB switch(isolator) as per IS 9921) without earth blade, gang operated, Horizontal type, operating mechanism with GI spring loaded reverse loop type fixed contact, solid HD electrolytic copper tubular moving contact with silver/Nickel plated at end points, 9 Nos post insulators of 12 KV (IS 2594 and IS 5350), Hot Dip galvanizing hardware, GI pipe, Nuts and bolts etc., complete

Supplying and fixing inposition M.S Ornamental grills for windows and ventilators or forver and a opening susing M.S.Flats, squarerods, angles sheets etc., of approved design including necessary cuttings, bending fabrication, welding, grinding and finishing smooth including painting the grills with Two coats with Synthetic enamel paint Gr-Iover a Primary coat (Red oxide metal primer) (total three coats) of approved make and colour including cost of making the holes into RCC or masonry works and making good the same wherever necessary, including cost and conveyance of all materials, incidental charges etc., complete.

Earth Work excavation for trench for laying of U.G. Cable in ordinary Soils, manual means to the required width and depth and depositing the same on bank as directed during execution etc., complete.

Supply and fixing of fabricated M.S clamps made out of 25mm x 6mm MS flat with necessary holes on either side with suitable 2" coach screws and painting 2 coats of enamel black paint over one coat of red oxide suitable for fixing of UG Cables of size 150 Sq.mm to 240 Sq.mm on walls etc., including all labour charges etc., complete.

Cutting open cement concrete road.

Cement concrete using 20mm HBG metal in CC (1:3:6) laid in Layers of not more than 15cms thick well compacted including curing cost and conveyance of materials etc., complete.

Plastering in CM (1:6) with 12mm thick using river sand including curing, conveyance of materials etc.,

Providing earthing as per IS 3043/ 1987 with 100mm (ID), 13mm thick C.I. Pipe of 3.0 mtr. length after excavating an earth pit of size1.5 m X 0.9 M X 3.00M(Top 1.50 m X 1.20 m X 0.9m & bottom 1.20 M X 1.20 M X 1.65 M) and filling with a homogenous layer of 40 Kgs. of Coke / Char Coal, 20 Kgs. of Salt and the required quantity of sand around 100mm pipe from the bottom of the pipe to a height of 2.7mtr. and filling the remaining excavated portion with earth and consolidation / Settlement of the trench should be done by filling with sufficient quantity of water. A concrete bed of size 0.8 M X 0.8 M X 0.1 M thick and an inspection chamber having inside measurements of 0.4 M X0.4 M X 0.4 M with wall thickness of 100 mm with cement concrete CC (1:2.5:5) using 20 mm HBG Metal is to be constructed with side wall 100 mm above ground level and plastering the exposed walls neatly with CM (1:3) with 12 mm thick.

The Top of the Inspection Chamber is to be provided with reinforced precasted RCC Slab with 40mm thick with lifting hook. The top of C.I. Pipe is to be fixed & welded with suitable G.I. Wire mesh funnel 50mm x 6mm G.I. Strip having length of 300mm is to be fixed to the top of C.I. Pipe with G.I. Clamps fabricated with 50 x 3mm G.I. Flats with necessary bolts and nuts and necessary welding to be done to the clamps and C.I. Pipe. 2 Nos. of holes are to be drilled on either side of G.I. Flat for Extending earth connections. 65mm dia PVC Pipe is to be embedded at the pit entry for earth.

After laying earth from earth conductor bus to Electrode trough PVC Pipe, the surface should be covered with bitumen and grease. The cost of GI/Copper flat to be run from CI Pipe electrode to the equipment is to be made separately on running meter basis. The work shall be executed strictly as per IS 3043 - 1987. The rate includes cost and conveyance of all materials, labour charges, incidental charges etc., complete (Note:- Necessary meggaring testing is to be carried out in the presence of concerned Engineers and measurement of resistance shall be as per ISI standards)

Supply and run of 25mm X 6mm G.I Strip for earth electrode to required places buried in ground at not less than 0.5 mtrs below the ground level after excavation of trench and filling with 6" sand all around the earth strip and refilling etc., and giving necessary connections with 3/8" x 2" G.I Bolts, Nuts and Washers wherever joints has to be done. The strip has to be either riveted (or) bolted (or) gas welding neatly and all labour charges etc., complete.

NOTE (i)The rates are of basic rates excluding GST. (ii) The applicable GST will be reimbursed/paid as per actuals on production of proof. (iii)Statutory deductions will be made as per norms, if applicable. Any modalities imposed on GST by the Government from time to time, the same will be implemented.