É a expressão usada para se referir ao confunto de formas de uma obra de concreto, veja:

UNMC Durham Research Center
335000 square feet of formwork – almost 8 acres. 29000 square feet of architectural precast concrete panels. 800 doors. 66000 square feet of glass – more ...
www.unmc.edu/durham/building/buildinghome.htm

Universelle - Our Scaffolding in Action
The Multimedia City (Motorola Building), Montreal: More than 742000 square feet of formwork was carried out in six months due to the availability of our ...
www.echafaudage.ca/en/scaffolding.shtml

GWCC... 19000000 pounds of reinforcing steel; 475000 square feet of formwork for cast-in-place concrete work. enough to cover the roofs of 265 average size ...
www.gwcc.com/about/fun_facts.html

Project Of The Month: February 2006 - CPCI - Canadian Precast ...
The concrete superstructure was built over a period of eight months using over 20000 cubic yards of concrete and over 616000 square feet of formwork. ...
www.cpci.ca/?sc=potm&pn=monthly22006


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Note added at 1 hr (2007-01-09 11:42:57 GMT)
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Typo: conJunto, e não "confunto"