Constitution Pipeline Says FERC Filing Opens Door To Construction By Spring The Constitution Pipeline Co. said it is anticipating starting construction in the first quarter of 2015 after FERC today published its final environmental review of the 124-mile-long project. The FERC action is a key step toward the commission’s decision on the project, which is expected as early as late November, company said, anticipating it may be delivering natural gas downstate and to New England by the 2015-16 heating season.…