Building mix: south Bangalore apartment lanes with compact balconies, utility corners, and AC-side ledges
Outdoor conditions: Near Devarachikkanahalli, bangalore dust, shaded ledges, dry balcony corners, and seasonal rain make droppings stick harder when the sitting point stays open. So material and access are measured together.
Common layout cue: In Devarachikkanahalli, common measures include balcony front, side return, AC platform, window shade, pipe pocket, and upper beam. Photos help judge height, access, and fixing surface before visit planning.