Zonal Contract For Arresting Seepage On Track Bed, Tunnel/Station/ Ventilation Shaft, Box Walls, Floors, Mezzanine & Ceiling By Grouting With Cement Admixed With Non-Shrinkable Water Proofing Compound And With Cementious Grout On Both Up & Dn Track Including Pit Lines And Ballastless Track From Km 07/14 To Km 25/11 Between Kcen Ex. To Kkvs In. Including Kmuk & Kkvs Yard And Carshed Of Metro Railway, Kolkata.
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