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Requirement :
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Dismantling existing girder with track of br. no. 5 & 7 of span 30.5m owg , transporting , assembling and erection of open web girders 4 nos. of 45.70 m clear span , all 25 tonne loading including side pathway, utility tray, access ladder etc.) & their erection (by suitable method) over major br. no. 5(2x45.7 m) & br. no. 7 (2 x 45.70 m) between srgr-nma stations on permanent diversion and provision of side pathway, inspection platform, utility tray, access ladder etc. on br. no.4, 6 & 10 (kosi bridge) between nirmali & saraigarh in connection with provision of new line between nirmali and saraigarh of samastipur division of east central railway.
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