ISO 27001 for data center

If the 2 exits are controlled from unauthorized access, there is no problem with the standard, so you need a policy of control access. I think that can be also very interesting to install video cameras in these 2 exits.
In all other respects there is no problem to implement and certify the ISO 27001 in your organization, because it is for the protection of the information of any type of business. Our templates are also developed for any type of business, and also you can have our support. If you are interested, you can see a free version of each template cl icking on “Free Demo” tab here: https://advisera.com/27001academy/iso-27001-documentation-toolkit/
To start a project of this type, the first thing that you need is a project plan, so this article can be interesting for you “ISO 27001 project – How to make it work” : https://advisera.com/27001academy/blog/2013/04/22/iso-27001-project-how-to-make-it-work/
Finally I think that this article can be very interesting for you “ISO 27001 Case study for data centers: An interview with Goran Djoreski” : https://advisera.com/27001academy/blog/2013/10/29/iso-27001-case-study-for-data-centers-an-interview-with-goran-djoreski/ and also this article "Physical security in ISO 27001: How to protect the secure areas" : https://advisera.com/27001academy/blog/2015/03/23/physical-security-in-iso-27001-how-to-protect-the-secure-areas/