...

blogin4:~ $ chgrp --recursive prj00012 somedirectory
blogin4:~ $ ls -ld somedirectory
drwx------  1 myaccount  prj00012      4096 Jul  3  2020 somedirectory

General hints

...

on resolving quota issues

As described in File Systems the default quota limits are reasonable for average use cases.
For projects requiring higher quota limits we kindly ask you to contact your consultant to discuss your needs and how we can help you.

...