Sediment Control Coagulants and flocculants: Batch dosing What, why, when, and issues to look out for What Batch dosing means applying a measured amount of flocculent to dirty water in a single dose. It is also known as ‘shock dosing’. Why Batch dosing is usually a...
Sediment Control Coagulants and flocculants:Floc socks What, why, when, and issues to look out for What A floc sock is a segmented, geosynthetic sock filled with reagent in dry flake form. You put it in the dirty water diversion channel, so that dirty water runoff...
Sediment Control Gypsum What, why, when, and issues to look out for What Gypsum is a naturally occurring soft crystalline material which is a hydrated form of calcium sulphate. It is mined from deposits, and is organic and non-toxic. You can get it in different...
Specific Tasks Waterways This section describes techniques, tools and tips for different types of work in waterways. They are all good options, but will not be the only solutions that will work. Always take the time to look carefully at your site and to gather ideas...
Specific Tasks Waterways Diversions Diversion methodologies help provide dry working conditions for when you are installing a culvert. The usual approach is to divert flow from above the site. The flow can then pumped around the site (for short projects only),...
