Stroytransgaz (STG), the Russian civil engineering and construction company owned by Putin ally Gennady Timchenko, is believed to about to pull out for the running for the contract to build a bridge across the Kerch Strait separating Crimea from the Russian mainland, claiming that the project represents too much of a commercial risk. The 19km crossing is scheduled to be completed by 20118 Strait Bridge to be built until 2018. OG.ru