Сonstruction of the residential complex Novoe Kolpino and Kurortny Kvartal is underway in an enhanced mode after difficulties with the provision of labor, they are taken over by the main office, the press service of the developer Samolet said. Earlier it became known that the Kolpinsky department of the Investigative Committee for St. Petersburg initiated criminal cases of fraud due to the delay in the delivery of houses in these residential complexes.