Public Works, Flood Control Engineering

Revetments

 

 

Revetments are used for emergency bank protection to prevent under cutting and control of course of flood channels.

Instructions

1. Fill sandbags 2/3 full and tie open end.
2. Tuck in bottom corner of bag after filling.
3. Place bags perpendicular to slope.
4. Lay stretcher and header courses with choke and side seams as shown on right.

Estimating Data

• Average weight of each filled sandbag approximately 65 pounds.
• Approximately 320 sandbags are required for each 100 square foot of surface to be revetted.

Fill Material

The ideal material for filling sand bags is a fine sand or course silt. Avoid, as much as possible, the use of coarse gravel and heavy clays.