There was a lot of controversy about the plans for fire station and training facility in that neighborhood a year ago, but I don't see further info about it when I google the topic.

Here are some links that describe why some folks in that neighborhood mounted a campaign against the fire station and training facility.

http://www.thesomervilletimes.com/archives/59763

https://thesomervillenewsweekly.wordpress.com/2015/05/04/letter-to-the-editor-515-somerville-ave-for-use-as-a-fire-hq-and-training-facility/

https://twitter.com/savespringhill