Tender For revised dnit for special repair of suddenly collapsed / blocked master sewer line falling in sub city-i, ii and iii, gurugram. `barricading of settled sewer line, plugging of m.h`s, diversion of sewage flow, providing high power super sucker machine for cleaning of blockage, hiring of jcb, hydra and pocklain for deep excavation, prov. and laying of rcc np3 pipe and repairing of damage m.h`s etc. and all other works contingent thereto.`