Slopes Flashcards
Building – Suitable for all types of activity; Easy to build
0%-4%
Building – Suitable for informal movement/outdoor activity; not very difficult to build
4%-10%
Building – Difficult to climb, use for outdoor activity, more difficult to build
10%-25%
Building – Steep, subject to erosion, very difficult to build on
25% or more
Drainage – Open Land
0.5% min.
Drainage – Streets
0.5% min.
Drainage – Planted Areas
1% - 25%
Drainage - Large Paved Areas
1% max.
Drainage – Land next to building
2% min.
Drainage – Swales
2% - 10%
Drainage – Planted Banks
50% max.
General – Storm Sewer
0.3% min.
General - Sanitary Sewer
0.4% - 1.4%
General - Street, Roadway, Sidewalk
10% max.
General - Parking Lots
5% max.