entcol.add/turner/jc NBC get the nod Some residents concerned about traffic weren’t happy about it, but the Burbank City Council last month unanimously approved a planned 1.9 million-square-foot expansion by NBC Studios. NBC is expected to begin contruction on the first phase of its expansion as early as December. Plans call for a 15-story office tower along California Street, a parking garage and six sound stages. The rest of the project will be built in phases, with construction expected to finish within the next 20 years. In all, the studio has proposed to add four 15-story office towers, six sound stages and three underground parking garages however, two of the towers and one garage will only be built if NBC can find a long-term tenant to occupy them. Studio officials said the project, when completed, might result in the addition of up to 3,000 full-time and contract employees at the NBC Studios facility. It is also expected to bring traffic. According to an environmental report, the expanded studios will generate 15,500 daily vehicle trips, compared to the 6,300 daily vehicle trips currently generated by NBC. Before approval was granted, NBC agreed to make street improvements that city planners say will mitigate most of the problems.