I assume you are going to audio post, so be very careful about changing sound files with applications like STP. If you do want to do that then please leave the original file on another track with the volume pulled down so your sound post people can get back to the original file.
If they have access to a CEDAR DNS1000, you may be able to reduce some of the ambience. CEDAR is basically a denoiser but can dry reverb to a limited extent in combination with good EQ.
In my experience, editing rooms rarely have good speaker monitoring and the noisy computers are often in the same space so it is a less than ideal environment to monitor something as delicate as this sort of processing. If you have headphones, then that would help solve that issue, but please leave the original in the timeline.