'separately requested' is correct and usable in written English.
You can use it when referring to something that was requested individually or apart from other things. For example: "We separately requested additional equipment for the project."
However, lawyers for Harwood and representatives of the Tomlinson family have separately requested that disciplinary action be postponed until after the inquest.
The Senate Intelligence Committee and House Oversight Committee separately requested documents related to Mr. Comey's interactions with the president; leaders of both committees also said they were poised to issue subpoenas to obtain Mr. Comey's memo if necessary.
We separately requested and reviewed four banker boxes filled with emails belonging to Palin aides Ivy Frye and Frank Bailey.
Lawyers for Sergeant Frederick and another defendant, Sgt. Javal S. Davis, said they would separately request a change of venue from the military judge who will hear their cases.
While your CWID is automatically assigned, users must separately request access to most services where a CWID is used (e.g., email, calendar, EpicCare, etc.).
In the past two weeks, a lawyer from the Justice Department's commercial litigation branch and the inspector general of the Postal Service have been separately requesting documents relating to the Postal Service team, including documents from a 2005 civil lawsuit that examined allegations that Armstrong had used performance-enhancing drugs.
I do not fry them separately, as requested (does that mean each nut separately, or each variety of nut?), and I do not know if they reached the appropriate three hundred and thirty degrees Fahrenheit.
Figure 1C now presents the data for the 5X5HT and 5X5HT-Aniso groups graphed separately, as requested.
Demographic information was requested separately.
Shaquille O'Neal and Kobe Bryant of the Lakers have requested, separately, to watch the sisters.
Web hosting is always enabled for group accounts with virtual hosting, but email forwarding must be requested separately.
