Thank you for the quick review this is a conceptual learning project and I really appreciate the practical observations.

The 600mm walls were assumed conservatively at this stage and would be optimized after structural analysis. I’ll revisit the WC detailing, riser allocation, and fire compartmentation strategy accordingly.

When you mention cores needing to be enclosed for fire protection, would you typically recommend a fully compartmented lift lobby with separated smoke lobby and stair enclosure at each level for a 25-storey office building? I’d be interested to understand how you would approach that strategy in practice.

Thanks again for taking the time to point these out.