Tender For corrigendum : special repair of suddenly collapsed/blocked master sewerline - special repair of suddenly collapsed/blocked master sewerline falling in sub city- i, ii and iii, gurugram. `barricading of settled sewerline, 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.` a/c rs. 117.41 lakh