Sandhogs have decided that no more major blasting is needed under Grand Central Terminal where they are working on the East Side Access (ESA) project, says a Metropolitan Transportation Authority (MTA) spokeman. Since March 2007, joint venture contractors Dragado USA and Judlau Contracting have headed up a team of about 1,000 workers who toiled round the clock five days a week to complete more than 2,400 controlled blasts, MTA says.