corrigendum : supply of portable type welding rod flask without heating coil and controller to keep baked electrodes while welding. the flask should have a capacity of 5 kg and either a circular face with inner chamber dimensions of 73 x 503 mm (dia) and outer dimensions of 150 x 520 mm (dia), or a rectangular face with inner chamber dimensions of 70 x 62 x 520 mm and outer dimensions of 117 x 110 x 547 mm. a dimensional tolerance of +/- 10% is permissible. the flask should weigh no more than 4.00 kg and be insulated with thick glass wool to retain heat for at least 3 hours. the body should be made of mild steel (ms) with a powder coating for durability and corrosion resistance, and accommodate electrodes of 450 mm length. , portable type welding rod flask without heating coil and controller to keep baked electrodes while welding. the flas k should have a capacity of 5 kg and either a circular face with inner chamber dimensions of 73 x 503 mm (dia) and outer dimensi ons of 150 x 520 mm (dia), or a rectangular face with inner chamber dimensions of 70 x 62 x 520 mm and outer dimensions of 11 7 x 110 x 547 mm. a dimensional tolerance of +/- 10% is permissible. the flask should weigh no more than 4.00 kg and be insulat ed with thick glass wool to retain heat for at least 3 hours. the body should be made of mild steel (ms) with a powder coating for durability and corrosion resistance, and accommodate electrodes of 450 mm length. [ warranty period: 30 months after the dat e of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]