 On May 28 , 2009 , the MTA awarded a $ 303 @.@ 8 million contract to E.E. Cruz and Tully Construction Co . , a joint venture and limited liability company , to construct the 96th Street station box . Work began in July on site clearing and utility relocation necessary to prepare for the installation of slurry walls between 95th and 99th Streets where the station connects to the existing tunnel section . In June 2009 , the first of three contracts for the 86th Street station was awarded for the advance utility relocation work and construction of cut and cover shaft areas at 83rd and 86th Streets . This contract provided two vertical starter shafts that were used by a subsequent contractor to excavate the station cavern in the rock between 83rd and 86th Streets . 
