B777-200
Flight Crew Air Transport Pilot (ATP)
No Specific Anomaly Occurred All Types
General None Reported / Taken
Procedure
Full takeoff power used; no derates on takeoff power or climb power.  Aircraft just made restrictions on SID even with extra power.   Terrain was avoided vertically before turn away from SE procedure. This SID should be prohibited until the SE procedure is addressed if reduced power is used on the BGC2A.  BGC2A requires Takeoff NO DERATES to position the aircraft at a safe altitude before turning away from required SE procedure.
B777 Captain reported his aircraft 'just made' the BGC2A SID restrictions even with full takeoff power; which was not required by the procedure.