| Column casingThe round or square sleeve around a structural column | 2–4 mm sheet, formed into two or four segments, seam set at a recessed reveal. | Every column on site is a different size; a common part will not close. | Seam gap 3 mm ±0.5 mm |
| Reception wallThe clad wall behind the front desk | Flat or lightly curved panels on a concealed frame, with service access. | Keeping 26 m of panel line straight while the wall behind it is not. | Flatness 1.2 mm / m |
| Lift frontThe metal surround where lift doors meet the wall | Three-sided surround, returns folded, fixed without visible screws. | It must not obstruct the door leaf or the sill, at any point of travel. | Clearance per lift maker's drawing |
| Coffered ceilingA grid of recessed panels with lighting in the returns | Pressed or folded coffers with a lighting channel in the reveal. | Every coffer has four corners that must meet at the same width. | Corner gap 2 mm ±0.5 mm |
| Bar frontThe curved metal face over a stone or timber base | Curved segments, radius rolled, joined on site into one run. | Curvature that is a true radius, not a series of flats. | Radius ±3 mm over 8 m |
| ScreenA decorative partition, cut or woven | Laser-cut sheet or tube array, in a frame, often freestanding. | The pattern must read the same from both sides and not vibrate. | Aperture ±1 mm |