The table below describes possible departures from the diverter requirements and the conditions required for each departure. To obtain one of these departures, you must have discussed the departure in your APD and received approval from the District Manager. ------------------------------------------------------------------------
(a) Use flexible hose for diverter lines Use flexible hose that has
instead of rigid pipe, integral end couplings.(b) Use only one spool outlet for your (1) Have branch lines that
diverter system, meet the minimum internal
diameter requirements; and
(2) Provide downwind
diversion capability.(c) Use a spool with an outlet with an Use a spool that has dual
internal diameter of less than 10 inches outlets with an internal
on a surface wellhead, diameter of at least 8
inches.(d) Use a single diverter line for Maintain an appropriate
floating drilling operations on a vessel heading to provide
dynamically positioned drillship, for downwind diversion.------------------------------------------------------------------------