The phrase "to be in close proximity" is grammatically correct and can be used in written English.
It means to be very near or close to something or someone. Example: The apartment building is located in close proximity to the city center, making it convenient for residents to access shops and restaurants.
Ms. Gara said the wording about the private space needing to be "in close proximity" to the employee's work area is vague, providing employers with very little guidance.
He said he was happy to be in close proximity to his elderly parents.
You need to have the right cutting guides, and you need to be in close proximity to the factory.
There were, of course, security concerns: how was it possible, with all the control measures, for such a person to be in close proximity to world leaders?
"It's for people who need to be in close proximity to the hospital complex," said Michael Gutnick, senior vice president for finance at Sloan-Kettering.
(Clinton seems fated to be in close proximity to men who both assist her career and undermine it through their alleged sexual impropriety).
He was given a special lapel pin that identified him to the Secret Service as someone who was allowed to be in close proximity to the president.
If I'm being honest, though, maybe I just don't like the idea of saying "I live above a sports bar", as if I've chosen to be in close proximity to the dudely, preppy jocks.
Earlier this year I auditioned to be a part of a community choir for The Skriker; an amazing opportunity to be involved in with a professional play at a prestigious Northern arts festival, and, I'll be honest, the chance to be in close proximity to Maxine Peake who I have adored since she played Twinkle in dinnerladies.
Ever since last year, when Wal-Mart announced it would no longer share sales information with data-gathering companies like Information Resources and A. C. Nielsen, many manufacturers have believed the only way to keep on top of how their products are doing is to be in close proximity.
With these velocities, the victim does not have to be in close proximity to the explosion.
