![](http://www.ccrookconsulting.com/wp-content/uploads/silt2.jpg)
The crews began the form work for the concrete walls
and entrance ramp to the trap.
![](http://www.ccrookconsulting.com/wp-content/uploads/silt4.jpg)
The concrete is completed, awaiting the fences and barriers.
![](http://www.ccrookconsulting.com/wp-content/uploads/silt5.jpg)
The final service entrance from the street disappears
as part of the fence.
![](http://www.ccrookconsulting.com/wp-content/uploads/silt1.jpg)
The silt trap after a heavy rain holding the first flush of rainfall,
capturing the silt, doing its job.