▁was ▁issued ▁to ▁the ▁contract or , ▁Bar lett a ▁He avy ▁Division , ▁Inc ., ▁on ▁January ▁ 3 1 , ▁ 2 0 1 3 . ▁Sur ve ying ▁began ▁in ▁February , ▁while ▁construction ▁started ▁in ▁March ▁ 2 0 1 3 . ▁ ▁The ▁ 2 1 ▁Water ▁Street ▁facility ▁was ▁demol ished ▁in ▁August ▁ 2 0 1 4 . ▁ ▁Ph ase ▁ 2 / 2 A ▁construction ▁In ▁September ▁ 2 0 1 3 , ▁the ▁state ▁secured ▁fund ing ▁to ▁move ▁forward ▁on ▁the ▁construction ▁of ▁two ▁new ▁Green ▁line ▁stations ▁in ▁Som er ville , ▁project ▁Ph ase ▁ 2 / 2 A . ▁Const ruction ▁was ▁expected ▁to ▁begin ▁on ▁two ▁new ▁stations ▁in ▁the ▁Union ▁Square ▁and ▁Br ick bottom ▁neighborhood s ▁of ▁Som er ville ▁early ▁in ▁ 2 0 1 4 , ▁but ▁has ▁not ▁as ▁of ▁early ▁ 2 0 1 6 . ▁A ▁new ▁elev ated ▁ ▁station ▁and ▁a ▁vi ad uct ▁over ▁the ▁F itch burg ▁Line ▁will ▁also ▁be ▁built , ▁along ▁with ▁numerous ▁streets cape , ▁bridge , ▁signal , ▁and ▁utility ▁improvements ▁and ▁re loc ations . ▁ ▁In ▁mid - 2 0 1 3 , ▁the ▁MB TA ▁awarded ▁a ▁construction ▁manager - general ▁contract or ▁contract ▁to ▁White ▁Sk anska ▁K iew it ▁( WS K ), ▁a ▁joint ▁vent ure ▁of ▁J . ▁F . ▁White ▁Cont ract ing ▁Co ., ▁Sk anska ▁USA ▁Civil ▁N ortheast ▁and ▁K iew