Boundary follows the sloping site schematically. Rear boundary and new wall/gate details are approximate proposals; source forecourt openings remain open. Not retaining-wall engineering.
RV3 source & limitations
abbas_altair_rv3.pdf governs every level: AR04 B2 −9.00; AR05 B1 −4.40; AR06 Ground +0.20; AR07 First +3.55; AR08 Roof +7.10 m.
Floor-plan drawings have no extractable text; geometry is manually registered. Furniture and vertical opening dimensions are illustrative. Use the Land + house tab for source-level solid terrain. Intermediate west stair access is unresolved, not a certified independent entrance.