Construction specifications.
Type of Concrete | Average Strength (pounds per square inch) | |
|---|---|---|
Class P | 6,500 | |
Class A | 5,500 | |
Class B, B-1 | 5,000 | |
Class C, C-1 | 4,500 |
Exhibit 9-7 Street Design and Intersection Standards | |||
|---|---|---|---|
Intersection Standards | Local Street | Collector Street | |
Maximum grade within 50 feet of intersection | 5% | 3% | |
Minimum center-line radius | 150 feet | 300 feet | |
Minimum tangent length between reverse curves | 100 feet | 150 feet | |
Curb radii | 25 feet | 35 feet | |
Construction specifications.
Type of Concrete | Average Strength (pounds per square inch) | |
|---|---|---|
Class P | 6,500 | |
Class A | 5,500 | |
Class B, B-1 | 5,000 | |
Class C, C-1 | 4,500 |
Exhibit 9-7 Street Design and Intersection Standards | |||
|---|---|---|---|
Intersection Standards | Local Street | Collector Street | |
Maximum grade within 50 feet of intersection | 5% | 3% | |
Minimum center-line radius | 150 feet | 300 feet | |
Minimum tangent length between reverse curves | 100 feet | 150 feet | |
Curb radii | 25 feet | 35 feet | |