Pool plan in deep water


Four potential sites were considered for an ocean pool in Quinns Rocks
Four potential sites were considered for an ocean pool in Quinns Rocks

THE preferred site for an ocean pool at Quinns Beach would not help with erosion management or fit well with existing groynes, a report to Wanneroo City council says.

The report on the March 22 briefing session agenda recommended the council not proceed with the Quinns Beach ocean pool feasibility study after a location assessment.

The council is scheduled to make its decision on April 5 on a proposal first suggested by Merriwa resident Lewis Flood in 2012.

Coastal engineering consultant Cardno did the location assessment after a 2014 desktop feasibility study by another consultant, MP Rogers.

Cardno identified a shortlist of four locations, according to the March 22 report, and found that the most suitable site was the southern end of Quinns Beach, at the rocky outcrop.

“Location one will have the least impact on coastal processes to the north, is relatively close to surf lifesaving operations (and) has potential for additional supporting infrastructure,” the report said.

“It has the lowest maintenance requirements and is a comparable location to ocean pools built along the east coast.”

The other sites would have been next to existing or proposed groynes, but the report said construction cost benefits for building the pool into existing infrastructure were “unlikely to outweigh the benefits of locating the ocean pool at the southern end of Quinns Beach in terms of maintenance, safety, water quality and impacts on coastal processes”.

“Additionally, the preferred pool location one is adjacent to the proposed Quinns Beach Caravan Park redevelopment site and would potentially provide a complementary amenity,” it said.

“The need for additional infrastructure and approval requirements for an ocean pool will also require further consideration.”

In February, the council agreed to list $300,000 for consideration on the 2016-17 budget for a shark barrier at the same site.

“The proposed Quinns Beach shark barrier will have no impact on the technical feasibility of an ocean pool,” the March report said.

“However, comparatively, a shark barrier will be significantly more cost-effective and require less maintenance.”