Flood Mitigation Scheme Protecting residents of the lower areas of Lake Placid, Caravonica and Kamerunga Cairns Regional Council has State and Federal This project will be carried out in stages. Government funding approved for flood mitigation Preparation and set-out for the first stage will works for the Lake Placid, Caravonica and Kamerunga begin before Christmas 2008. Construction for area. The flood mitigation scheme will protect the area Stage one will commence in January 2009. against a repeat of the disastrous 1977 flood. Stage one — Lake Placid Tourist Park to northern Extensive flood modelling and design work has been breakout (Impey St Reserve) carried out and Council can now start construction on Construction of a footpath/levee approximately flood mitigation works to protect approximately 450 200mm to 600mm in height which will meander homes that would be inundated in a 1 in 30 year event. through vegetation on the reserve side of Lake Placid Rd. The flood mitigation scheme will provide extensive benefit to Lake Placid, Caravonica and Kamerunga. Stage two – Southern side of the Barron River Unfortunately the benefit of these works can not extend These works are relatively minor in size, but are an to the lower beach areas of the Barron Delta. The important factor in the scheme. A small masonry access roads and lower areas to the beaches are block wall will be constructed on the rear boundary inundated well before the Barron River breaks into the of three lots on Sandwich St. The works Lake Placid, Caravonica and Kamerunga areas. extend for approximately 70m. The proposed flood mitigation scheme will start to Stage three — Kamerunga Villas provide protection when the Barron River breaks its Grassed earth levee approximately 300mm high to banks with a 1 in 15 to 1in 20 year flood. The lower be constructed between the existing footpath and Barron Delta starts to flood long before this, with access existing fence line. Installation of a concrete strip from the Captain Cook Highway disrupted by a 1 in 5 to provide permanent vertical delineation. year flood. Stage four—Kamerunga Villas to Lake Placid Rd/ Proposed works Western Arterial Rd Intersection Raise existing footpath approximately 300mm in The length of protection works on the Lake Placid/ height. Caravonica side of the Barron River is approximately 2.5km, although due to the natural rise and fall in Stage five – Lake Placid Tourist Park current land levels, works are not required for the full A masonry block wall will be constructed behind length. Protection works south of the Barron River in the current rock wall in front of the caravan park. Kamerunga will be provided to three lots in Sandwich This will improve flood immunity of the tourist park Street and one lot on Stoney Creek Road. and stop flood waters flowing behind the park and into low lying areas of Lake Placid. Based on investigations by consultants, the majority of the flood mitigation scheme can be constructed using Stage six – Cairns Western Arterial Rd small earth levees. Other sections will involve An earth levee approximately 700mm high is be removable flood fences and masonry block walls. constructed on the southern side from Lake Placid Intersection to Illawarra Street. Visually, the proposed works will resemble a raised concrete footpath and these works will have limited flood waters to pass onto the other side of the levee impact on the existing internal drainage system for the and travel through the breakout. area. This process will assist with reducing the potential for Cairns Works will construct the raised footpaths and scouring and damage to property during an extreme earth levees predominantly within the road reserve. flooding event. The design of the flood mitigation scheme has an initial Weather permitting, the flood mitigation scheme is overflow point aligned with the northern breakout expected to be completed by April 2009. channel (Impey Street Reserve). This feature allows for YOUR COUNCIL CONTACT For further information about this project, please contact Council’s Public Consultation and Communications Officer on (07) 4044 3303 or email firstname.lastname@example.org.
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