Frequently Used PMGSY Design Parameters (Indicative Quick Reference)
|
Parameter
|
Typical Standard Value |
|
Single Lane Carriageway Width |
3.75 m |
|
Formation Width (Rural Road) |
6.0 m |
|
Shoulder Width |
1.125 m each side |
|
Camber for Bituminous Surface |
2.5% |
|
Camber for Gravel Surface |
3–4% |
|
Maximum Gradient in Plain Terrain |
3.3% |
|
Maximum Gradient in Hilly Terrain |
5%–6% (terrain dependent) |
|
Minimum Radius of Horizontal Curve |
As per IRC:73 |
|
Design Life of Flexible Pavement |
10 years |
|
Minimum Cross Drainage Requirement |
Based on a hydrological study |
|
Quality Monitoring System |
Tier-I, Tier-II, Tier-III |
|
Pavement Design Basis |
CBR Method |
|
Recommended Drainage Type in Hills |
Catch water & lined side drains |
|
Preferred Road Surface |
Bituminous Surface |
|
Maintenance Liability Period |
Typically 5 years |