4
PARKING: REFURBISHMENT
Corrosion
CONTROL
The extent of corrosion damage to car parks often reveals itself mid-way through a major
refurbishment. Operators need to keep corrosion levels in check or else pay the price
A
t a time like this, operators don’t have the money to invest “Many of the country’s 4,000-plus multi-storey car parks were originally
in new developments. Instead, they are refurbishing current built in the 1960s out of reinforced concrete, and refurbishing these
schemes to make them last well into the future. And the can reveal some nasty surprises and additional costs. Several cases of
most effective way of improving a car park’s longevity is to tackle concrete cancer have been reported and although complete structural
the source of the problem – corrosion. collapses are rare, they are not unknown.”
Corrosion causes the most significant damage to concrete Last year, the Patriotic Street multi-storey car park in St Helier went
structures over time, and as car parks age they become more and through a refurbishment to counter the effects of corrosion on concrete
more costly to repair. Many structures have suffered from the effects of walls around the edge of the building. This, according to Bradbury, is a
concrete carbonation and other corrosive factors over several decades, common problem in 1960s constructions.
making any reparations a huge part of total costs. “Over the years these walls have sustained impact damage
The 1960s material of choice in car park construction was but, more crucially, they may have been exposed to the elements.
reinforced concrete. However, years of weathering and the use of Constructed to the normal building standards of the time, it is now
de-icing salt have eroded the infrastructure, causing the decking to recognised that they are actually subject to a much more severe
crumble and leaving car parks weak and unsafe. Having seen the effects environment – perhaps more akin to that of bridges,” explains Bradbury.
of the last 40 years on British car parks, safety barrier company Berry “Deterioration from reinforcement corrosion brought about by
Systems has been working to provide operators with viable solutions. the effects of de-icing salt has resulted in many perimeters becoming
As Simon Bradbury, marketing manager at Berry Systems, puts it: dangerously ineffective.”
SHOPPING CENTRE SEPTEMBER 2009
www.shopping-centre.co.uk
SCPSep-04-07-F1.indd 4 23/9/09 20:10:01
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