2422 North Capitol Street NW: HPRB case to add a 3-story to an existing 2-story rowhouse

A new case has popped up at the DC Historic Preservation Review Board (HPRB).

2422 North Capitol Street NW

Here is the link to the set of files for this case.

Below is one of the many renderings provided.  This rendering shows the proposed new top-floor pop-up.