Supply, Fabrication, Erection and Fitting of the Chequered Iron Plates of Different Sizes For Roofing of 10 Nos. 14 M.V.A Power Transformers Of 3x35 Mw LJHP, Gantamulla, Baramulla To Avoid Accumulation Of Bird Droppings And Rain Water

Amount

Dismantling of Chequerred plates steel work manually/by mechanical means in built up sections without dismembering and stacking within 50 meters lead as per direction of Engineer-in-charge installed over the roofing of the 14 MVA power transformer Chequerred Plate 5 mm for 6 no. of transformer bays

Welding of dismantled Chequered plates over the roofing of 4 no. transformer bays 14 MVA transformers as per the directions of the Engineer-in-charge

Providing and fitting of Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. The material involved in fabrication of roofing for 1 transformer bay: Chequered Plate 5 mm = 4m x 4.8 m = 19.2 m2 Deduction on account of space for bush and Jumper = 1.82 m x1.82m = 3.34 m2 Net Area to be covered = 19.2-3.34 = 15.86 m2 Weight of roofing for 1 transformer bay = 15.86 m2 x 39.25 kg/m2 = 622.5 kgs Total weight of 6 no’s transformer bay roofing = 6x753.2 kgs = 3,735 kgs

Insulation of HT 132 kV outgoing conductors emanating from power transformers by means of HT tape/HT Sleeve etc.

Applying priming coat over the roofing of 4 no. transformer bays: With ready mixed red oxide Zinc Chromate primer of approved brand and manufacture on steel galvanized iron/steel works with 2 or more coats as per the directions of Engineer-in-charge Net Area of 1 no. bay = 15.86 m2 x 2 = 31.6 m2 Area for 4 no. bays = 31.6 m2 x 4 = 126.4 m2