|
Airports
|
Shipyards
|
|
Hangar Aprons Terminal Apron - Parking
|
1 0.5
|
General
|
5
|
|
Building Construction
|
Storage Yards
|
|
General Construction
|
10
|
Active Inactive
|
20 1
|
|
Bulletin Boards
|
Sports
|
|
Light Surfaces Dark Surfaces Loading Platforms
|
20/5 50/1000 20
|
Baseball
|
|
Parking Areas
|
Recreational
|
15/10
|
|
Vehicular Traffic
|
Basketball
|
|
Low Activity Medium Activity High Activity
|
0.5 1 2
|
High School Recreational
|
30 10
|
|
Railroad Yards
|
Playgrounds
|
5
|
|
Switch Points
|
2
|
Tennis
|
|
|
|
Club Recreational
|
20 10
|