Australian Water Management Review Vol. 1 2014 | Page 112

Rocla CleansAll Gross Pollutant Tra

Cost-effective, trouble-free pollutant cont
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Rocla’s CleansAll® gross pollutant trap
(GPT) is proving its worth in a whole new
application at the Sunshine Coast Turf
Club (SCTC)’s Corbould Park Racecourse.
Alan Trevanion of AYT Construction has a
longstanding relationship with Corbould Park and
had previously installed a number of Rocla’s GPTs for
customers.
“The park management were frustrated with the existing
system processing the waste from washing down the
horses,” he said. “It was clogging up and expensive

with the need for sucker trucks to empty the system
regularly.” Alan suggested installing a GPT.
A big concern with any new system was the number
of substances in the runoff that were not typical –
track rubber caught in the horses hooves, horse hair,
hay and sawdust – not exactly sand and silt!
“This application is absolutely unique,” says Nathan
Swaffer – Rocla Sales Engineer. “The cleansall®
units typically pull sediments and organic rubbish
out of stormwater – but this is being used to pull
horse hair and rubber out of a sewer line.

“The cleansall® basket catches the larger particles
and the sump underneath the basket is the second
line of defense for smaller particles. You can see the
dirty water going in and clear water coming out.”
Downstream effects of an inefficient system had been
causing all manner of issues for park maintenance.
“The new unit has dramatically improved the
efficiency of the downstream water treatment plant as
well, reducing the main