So Little update on Taxiway/Runway, Parallel Taxiways & Taxiway/Stand Clearances including Large Runways. Here is how I design my airports.
Taxiway <–> Stand Clearance
< 3 Taxi > < 0 Buffer > < Stand > - Small (GA CESSNA182 extra small a/c only)
< 3 Taxi > < 1 Buffer > < Stand > - Small (with the new SAAB aircraft!—if no road need and/or I need to conserve space)
< 3 Taxi > < 2 Buffer > < Stand > - Small (for larger SAAB aircraft —if road needed and need space)
< 5 Taxi > < 1 Buffer > < 2 Service Road > < Stand > - Medium + Small
< 7 Taxi > < 2 Buffer > < 2 Service Road > < Stand > - Large + Medium + Small
Parallel Taxiways
< 3 Taxi > < 2 Buffer > < 3 Taxi > - Small
< 5 Taxi > < 4 Buffer > < 5 Taxi > - Medium + Small
< 7 Taxi > < 6 Buffer > < 7 Taxi > - Large (-A380) + Medium + Small
< 7 Taxi > < 8 Buffer > < 7 Taxi > - Large Aircraft (+ A380) + Medium + Small
Runway <–> Taxiway Clearance
< 3 Taxi > < 4 Buffer > < Runway > - Small
< 5 Taxi > < 6 Buffer > < Runway > - Medium + Small
< 7 Taxi > < 8 Buffer > < Runway > - Large (no A380) + Medium + Small
< 7 Taxi > < 10 Buffer > < Runway > - Large (+ A380) + Medium + Small