The successful trenchless rehabilitation of the sewer system in Mumbai, India... ... was a remarkable project for the Joint Venture Angerlehner Michel Bau. Michel Bau from Germany and Angerlehner from Austria established a joint venture for the job. Joint Venture Angerlehner - Michel Bau was up against renowned large-scale international companies during the prequalification process for the US$8.6 million project, but prevailed with its concept, winning over the Australian engineering consultancy TTI, which put out the tender, the World Bank, which provided the finances, and the Mumbai civil authority MCBM [Municipal Corporation of Greater (Brihan) Mumbai].