The phrase "about to exceed" is correct and usable in written English.
It can be used when indicating that something is on the verge of surpassing a limit or threshold.
Example: "The temperature is about to exceed the safety limit, so we need to take action immediately."
Alternatives: "on the verge of surpassing" or "nearing the limit".
The refugee tally is about to exceed 3m.
Its website, metrobankonline.co.uk, will offer the services customers expect, plus text alerts warning if they are about to exceed their credit limit.
An expiry tracker which operates in parallel with the stock list, linked to an alarm to help notify when items are about to exceed the use-by date.
A writ of prohibition is never to be issued unless it clearly appears that the inferior court is about to exceed its jurisdiction.
The existing DLCS requires constant operator intervention, e.g., whenever the load is about to exceed a predefined amount, it needs operator's intervention to control the on/off status of the load.
Starting in July, Europe-based mobile phone operators will be required to send their customers a text message, warning them that their total monthly roaming charges are about to exceed €50.
According to a staff report, the company's bills are not to exceed about $1.15 million per year.
I like to say that leadership is about getting people to exceed their own expectations.
For example, in the simulation results shown in Fig. 5, the fault current takes about 126 ms to exceed the limit of breaker B41.
At the lower end of the scale, a detectable anthropogenic CO2 flux from the subsurface must be greater than about 102 t/yr to exceed CO2 produced by biological mineralization of organic matter [9 12].
Spending is expected to exceed revenue by about $167 billion over the next decade, according to the Congressional Budget Office.
