The Drain Warden is a sediment trap made from fabric that is positioned in a stormwater drain under the grate. The polypropylene nonwoven geotextile fabric is the filter medium, which traps any particulate greater than 90 microns.
Simply tie the straps of the Drain Warden to the underside of the grate, place it back into the drain recess and when the job is done, remove the Drain Warden which will now be full of sediment and runoff. The special filter fabric allows water to pass through whilst still trapping a large portion of debris, thereby preventing pollution of the stormwater system. An absorbent polypropylene mini boom positioned in the basin of the drain warden traps hydrocarbons, oils and fuels.
Features:
Measures 1.3 x 1.3 x 600mm
Traps particles >90 microns
Helps you comply with environmental regulations
Made from polypropylene nonwoven geotextile fabric
Easy to install and remove
Installation Instructions:
Remove the stormwater grate and clean drain opening and top lip of the drain. This will ensure a better seal and improve the lifespan of your Drain Warden. Use a grate lifting device if necessary.
Rest the grate on its side and tie the Drain Warden onto the underside of the grate. If supplied, tie the absorbent boom onto the grate so it falls in the centre of the basin.
Replace the grate back into the drain pit.
Trim excess material flush with the grate leaving at least 50mm overhang. If a large gap remains between the grate and the concrete shoulder, fold over the excess geotextile and fold back under to form a filler in the gap.
Ensure the grate is correctly replaced and does not create a trip hazard.
For optimum performance:
Inspect the Drain Warden after every event that results in stormwater discharge from the site.
During inspection, remove any solids that have been captured by the Drain Warden.
The absorbent boom should be replaced on a frequent basis (3-6 months) to ensure efficient absorption.
The absorbent boom should be drained prior to disposal. The Drain Warden can typically be disposed of via general waste; however always check your local requirements.
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