Single Vane Trap


The Single Vane trap uses strategically placed vertical vanes, placed at varying heights and angles, to guide the pollutants into the containment bay. We use the available energy in the water flow to transport the Gross Pollutants into the containment bays where is can drain dry. This is the basis of our catch phrase

Removing the Gross Pollutants to from the water flow into the containment bay is how we achieve "Dry Rubbish".

Where Used

The Single Vane trap is used in sites with medium to high velocity flows where there is minimal headloss (depth to invert) available. If headloss is available then one of our "Rack" based traps may be more suitable.

Site Requirements

Target Pollutant Class

The Single Vane trap is targeted at capturing the Gross Pollutant class of pollutants, however history shows they capture a varying amount of sediments and oils as well.

Water Sources / Velocity

The Single Vane trap is primarily used for sites with medium to high velocity flows and is suitable for the following water sources:

  • Pipes
  • Small Channels
  • Culverts


The Single Vane trap is suitable for grades from less than 0.05%  to to any grade. Please note while we can cater for high grades some trap design modification may be required.

Treatable Flow

The Single Vane trap is suitable for treating flows from as low as a 3 month ARI to a 100 year ARI.

We don't just treat the "first flush", we treat the whole flow for the duration of the event.



The size of the Single Vane Trap is dependent on the:

  • Cross Sectional area of the Water Source, 
  • Velocity, 
  • Treatable Flow 

To give you an idea of sizing here is a sample set of configurations using a 0.6m Pipe Cover.

Sample Configuration Sizing

Cross Sectional Area Height Width Length
0.16m2 (450 pipe) 1.2m 1.7m 3.5m
0.28m2 (600 pipe) 1.4 2.1m 4.5m
0.87m2 (1050 pipe) 1.8m 3.5m 7.5m
1.13m2 (1200 pipe) 2.0m 4.0m 10m


Sample Configuration Sizing with Sediment Feature

Cross Sectional Area Height Width Length
0.16m2 (450 pipe) 1.8m 1.7m 4.1m
0.28m2 (600 pipe) 1.9m 2.1m 5.3m
0.87m2 (1050 pipe) 2.8m 3.5m 8.8m
1.13m2 (1200 pipe) 3.0m 4.0m 10.1m

Note: These figures are indicative only and do not represent the largest or smallest sizes we can treat. If you need an estimate size for your plans please contact us and we will be able to provide this information to you over the phone if you can provide some or all of the Site Requirements.


The Single Vane trap suited as a lidded solution or an open trap solutions.

Pollutant Storage

The Single Vane trap is a candidate for either on-line or off-line storage. This storage can also be left or right handed.

Trap Access

Depending on the site and cleaning requirements the Single Vane trap can be accessed via a ladder or internal step irons.


Standard equipment and modular construction combine to make installation convienient with minimum interruption or alteration to existing conditions. Deep excavation is not a required with the Single Vane Trap.


Cleaning of the Single Vane Trap is dependant on the site requirements but any of the following can be used with this design of trap.

  • Eductor Vacuum
  • Clam Shell
  • Manual

Please Note: If a trap is to be cleaned manually, there are minimal Occupation Health and Safety issues as the captured pollutants are dry. 

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