That is all covered in the Design Standard, IPC-D-279, Section 3.3.9 "Component Spacing", Section 8.0 "Design for Testability", and the section on Design for Reworkability.
It's all there. Just $80 from your beautiful local IPC Sales Representative, and no self-respecting Electronics Design or Electronics Manufacturing Engineer should be caught without a current copy. You may wish to keep a copy in the fiskhytte as well for those slow times.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Iulia Muntele
Sent: Tuesday, March 07, 2017 2:07 PM
To: [log in to unmask]
Subject: Re: [TN] BGA periphery keep out zone

None that I can think off. There should not be any limitations at placement, maybe at rework and inspection.

On Tue, Mar 7, 2017 at 2:04 PM, <[log in to unmask]> wrote:

> Fellow TechNetters:
>
>     Which IPC Standard cover the above stated limits for components 
> placement on the periphery of a BGA foot print?
>
> Victor,
>

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