Qatar winning the bid to host the FIFA 2022 World Cup will spur the country's infrastructure projects market development, estimated over US$ 100 billion, based on public-private partnerships (PPPs) model.He continues explaining how they have planned everything out so that construction is done by 2022.

All contracts, split into 19 separate packages and worth at least $1 billion each, will be awarded sometime in 2012. Al Ibrahim says the final package must be awarded by the end of 2012 to allow enough time for construction; which is estimated to take eight years, with a further year scheduled for testing the completed system.

The Doha metro website values the project at $3 billion, something very different form the 25$ billion.  A public-private partnership (PPP) is being considered as a financing option, they say.The project is being managed by QRDC, a 51:49 joint venture of state-owned property development group Qatari Diar and Deutsche Bahn International.The metro is part of a $42.9 billion railway project initiated by the state, which also incorporates the national rail network, freight network and a proposed direct link via the Friendship Bridge to Bahrain, once completed. The projects are expected to create 7000 jobs.Sources: The Big Project Me and OnlineQatar.com