§585.651 — When may I construct complex or significant OCS facilities on my limited lease or any facilities on my project easement proposed under my GAP? If you are applying for a project easement, or installing a facility or a combination of facilities on your limited lease deemed by BOEM to be complex or significant, as provided in §585.648(a)(1), you also must comply with the requirements of subpart G of this part and submit your Safety Management System description required by §585.810 before construction may begin.