The phrase "can't exceed" is grammatically correct and can be used in written English.
It is used to indicate a limitation or a maximum value that cannot be surpassed. Example: The weight of the luggage can't exceed 50 pounds for international flights.
If you think a film is going to gross X, then its cost can't exceed Y.
Organizers who want to charge a fee (which can't exceed $100) must seek permission from TED.
The only issue to negotiate is wages, but raises can't exceed inflation.
Secondary alcohol "flavourings" can be added but can't exceed 2.5 fl oz of total booze.
A little-noticed provision in Dodd-Frank mandates that those fees can't exceed the S.E.C.'s budget.
Companies seeking contracts with BART are not barred from making campaign donations, although contributions can't exceed $1,000.
A UMo powellite glass ceramic designed by French workers to immobilise Mo-rich intermediate-level waste was found to be quite leach resistant in water at 90 °C with the dissolution of Cs, Mo, Na, B and Ca not exceeding 2 g/L in normalised PCT tests.
Like all McG films, Terminator Salvation can't quite exceed the sum of its parts.
This isn't to say that the material worth of a coin's metal can't still exceed its face value; the rising value of zinc, for instance, meant that, last year, every new penny issued cost the U.S. Mint about 1.7 cents.
But according to evolutionary anthropologist Robin Dunbar, our meaningful social circle can't ever exceed between 100 and 230 people (with an average of 150 people).
These values were then used in the formulation of the waste-load allocation optimization model, with its objective being to maximize the environmental performance under constraints that existing waste discharge loads in terms of total wastewater amount, total pollutant mass, and existing PMZ size can't be exceeded.
