CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—POLLUTION (parts 151 to 159) > PART 156—OIL AND HAZARDOUS MATERIAL TRANSFER OPERATIONS > SUBPART C—Lightering Zones and Operational Requirements for the Gulf of Mexico (§156.300 to §156.330) > 156.320—Maximum operating conditions.

156.320—Maximum operating conditions.

Unless otherwise specified, the maximum operating conditions in this section apply to tank vessels operating within the lightering zones designated in this subpart.
(a) A tank vessel shall not attempt to moor alongside another vessel when either of the following conditions exist:
(1) The wind velocity is 56 km/hr (30 knots) or more; or
(2) The wave height is 3 meters (10 feet) or more.
(b) Cargo transfer operations shall cease and transfer hoses shall be drained when—
(1) The wind velocity exceeds 82 km/hr (44 knots); or
(2) Wave heights exceed 5 meters (16 feet).