Wire Sawing for Dept. of Water Affairs
- Wire sawing project commenced in July 2004
- Cut opening in floor at bottom of dam wall
- Cut 42.5 square meter concrete
- Remove 54 tons of concrete and rock
- Work done within 10 days
- Holes drilled though block, spaced 1.2m x 2.5m deep to feed wire
- Center holes drilled to sling blocks
- Wire sawing equipment set up
- Planning of cutting work to minimize crane standing time
- Diamond wire cutting saws in action
- Cutting outside perimeter
- Diamond wire cable used during cutting process
- Wire runs at 35 meters per second
- Cutting rate of average 1.6 hours per square meter