Construction of Road Over Bridge ( 3 lane ) with bridge proper ( 1x30m Composite Girder + 1x60m Bow String Girder + 1x30m Composite Girder ) and Bridge Approaches ( 17x24. 6m PSC Girder + 3x20. 6m PSC Girder ) at Km: 15/ 22- 24 in lieu of LC No. 13 between Andul- Sankrail Station and construction of Road Over Bridge ( 2 lane ) with Bridge proper ( 1x18m Composite Girder + 1x60m Bow String Girder + 1x36m Composite Girder ) and Bridge Approaches ( 18x25. 36m PSC Girder + 2x10. 0m RCC slab ) at Km: 23/ 17- 19 In Lieu of L. C No. 18 between Nalpur- Bauria Stations of Howrah- Kharagpur section under the jurisdiction of Dy CE/ Con/ Garden Reach, S. E. Railway. Estimate Nos. 1963W/ 2024 & 1965W/ 2024.