Details: appendix - a - working charge od251453/2024-2025:supply and pushing of ms casing pipe of specified thickness by trenchless method adopting micro-tunnelling or any suitable mechanical technology or technology approved by railway below ground at all depth under running traffic condition as per railway standard including carrying out survey work at the job site for determining underground cable trenches like telephone, cable, water & sanitary lines and resistivity test for finding the soil strata using necessary equipment’s for completion of works, mobilizing of machineries and specialized crew at the job site complete in all respect, including excavation of driven pit and exit pit (upto 3 metre depth) with proper protection at three sites with shoring sheets and ismb's. providing ms cutting edges for front shield and constructing bed at designated level. necessary de-watering and providing concrete foundation at the base of the driven pit, pvc/rubber saddle as per the req
Sector: Water supply and Sewerage