How to Build a Cofferdam Brace

When using cofferdams for flood control on slopes, a bracing system is necessary. This DIY Instructable will guide you through five simple steps to help you build your own cofferdam brace.

To build a cofferdam brace, you will need the following:
    - Safety glasses - SAFETY FIRST!
    - Three 10' 2x4s (new or used)
    - 16 3" #8 self-drilling screws or nails
    - Hand saw with miter box
    - Screwdriver or Drill with driver head
    - Hammer (if using nails)
    - Tape Measure
    - Protractor
    - Pencil

Step 1: Cut the wood

Cut the pieces of the brace to the dimensions and angles shown on the drawing.

Comments

[Jacko77]

Post Presidential Award!

[Utah89]

These kids developed this project for their middle school's SAME SMP team and presented it today at the competition.

They did a great job and this is a really great solution for bracing cofferdams on slopes.

Fingers crossed that they earn some awards from the competition.