Wanted: Practical advice on silt traps
Wanted: Practical advice on silt traps
(OP)
Hello everyone,
I'm working on a large development in Scotland where floating roads are being constructed over blanket peat bog. The stone being used for the roads is soft sandstone, and watercourses on the site are under threat from silty slurry from the roads (the result of heavy traffic and wet weather).
Mitigation measures such as silt traps are specified, but I need advice on size, shape, design, flow rate etc. They need to be a)Effective, and b) COST-effective!
Does anyone have any practical advice on them, or ideas on where I might look?
Any contributions gratefully accepted.
Ecosven
I'm working on a large development in Scotland where floating roads are being constructed over blanket peat bog. The stone being used for the roads is soft sandstone, and watercourses on the site are under threat from silty slurry from the roads (the result of heavy traffic and wet weather).
Mitigation measures such as silt traps are specified, but I need advice on size, shape, design, flow rate etc. They need to be a)Effective, and b) COST-effective!
Does anyone have any practical advice on them, or ideas on where I might look?
Any contributions gratefully accepted.
Ecosven





RE: Wanted: Practical advice on silt traps
RE: Wanted: Practical advice on silt traps
If only using "real rock" was an option. Unfortunately the rock is quarried on site, and the cost, and environmental benefits of this were judged to outweigh the negatives.
Any ideas for silt traps...
Thanks again for the reply.
Ecosven
RE: Wanted: Practical advice on silt traps
Hope it helps
RE: Wanted: Practical advice on silt traps
RE: Wanted: Practical advice on silt traps
RE: Wanted: Practical advice on silt traps
If we are talking about a surfaced road, camber or crossfall to channel drain and gullys and then pipe to a shallow tank (or imperviously lined pit) with several sucessive filters before discharge to watercourse. Although this is Scottish peat bog, check the 'Sustainable Urban Drainage' guides from Environment Agency and CIRIA.
With peat bog I assume very high surface water level. It may be necessary to elevate the roadway to enable falls to be provided on the drainage system.
RE: Wanted: Practical advice on silt traps
I completely agree that this is a "quick fix", and that better planning initially would have reduced the problems. It's too long a story to explain here.
Your help is greatly appreciated and has, I hope, assisted progress towards a solution.
I hope I'm able to contribute in the near future.
Ecosven
RE: Wanted: Practical advice on silt traps
Can you provide more information?
KRS Services
www.krs-services.com