Tier-1 bank flagship lobby, Accra Ridge Tower
Book-matched marble lobby for a Tier-1 banking flagship. Specified slab matching, custom border inlay, and night-shift execution to maintain branch trading hours. Project Office coordinated material logistics from Italy through Tema Port to Ridge Tower over a 12-week window.
Project Profile
| Field | Detail |
|---|---|
| Sector | Financial Services — Tier-1 Commercial Banking |
| Scale | 2,400 sq m across ground-floor lobby, mezzanine banking hall, and executive corridor |
| Scope | Sub-floor preparation, premium marble installation, polished-stone feature inlays, skirting, and written handover certification |
| Timeline | 14 weeks phased delivery, live-bank environment with zero public-access disruption |
Specification Challenge
Ridge Tower’s flagship lobby presented a set of interdependent constraints that separated specification-grade execution from ordinary installation work.
The existing sub-slab was a 1990s-era concrete pour — uneven moisture distribution across a 2,400 sq m plate, with measured readings exceeding acceptable thresholds in three zones when tested to ASTM F2170 protocol. Installing premium marble over unresolved sub-floor moisture migration would have produced adhesive failure and surface delamination within eighteen months — a defect profile unacceptable to any Tier-1 banking client.
Simultaneously, the banking hall remained partially operational throughout the project. Dust suppression, working-hours phasing, and acoustic separation between active client zones and installation zones were contractual conditions, not suggestions.
The specification also called for a geometric inlay pattern at the lobby centrepoint — a bespoke design requiring sub-millimetre alignment across 48 individual stone panels in four contrasting materials. Any cumulative tolerance error across that field would have been immediately visible under the tower’s high-bay lighting.
Approach
Floors GH mobilised a dedicated project office team on day one, with substrate work preceding all stone delivery.
Sub-floor remediation followed a full ICRI CSP verification pass. Three moisture-compromised zones received targeted moisture-barrier primer treatment before any levelling compound was applied. Bubble-eliminating roller protocol was applied to all self-levelling compound pours to eliminate entrapped-air defects — a step that preserves surface planarity at the level premium marble demands.
Material sequence: Large-format Portuguese Crema Marfil marble panels formed the primary field. The centrepoint inlay combined honed Nero Marquina, aged Travertine, and Verde Guatemala cut to commission tolerance. Each panel batch was inspected on delivery against the approved specification board before any cut was made.
Multi-stage QC sign-off was documented at four gates: substrate certification, primer adhesion test, mid-installation planarity check, and final finish inspection. Every gate produced a written sign-off record, forming part of the handover certificate delivered to the client’s facilities management team.
Phasing was structured to hand over sections to the bank progressively — the executive corridor was completed and sealed in week seven, releasing it to occupation while the main hall continued.
Outcome
- Sub-floor moisture readings in all three remediated zones measured within specification at final certification
- Centrepoint inlay completed to designed alignment; no remedial re-cutting required
- Full 2,400 sq m handed over on the contracted date
- Zero public-access disruption incidents logged across the 14-week programme
- Written guarantee and full QC documentation package delivered at handover
The lobby now serves as the primary client-facing environment for a flagship branch receiving senior corporate and institutional traffic daily.
What This Project Demonstrates
Tier-1 financial institutions in Ghana increasingly treat lobby and banking-hall flooring as a specification decision, not a procurement line item. The premium stone, the inlay geometry, the sub-floor remediation discipline — these are the elements that determine whether a floor performs for a decade or begins to compromise the institution’s physical presentation within two years.
Floors GH has delivered this category of project across Accra’s commercial and diplomatic districts since 1972. The Ridge Tower lobby is one reference in a 54-year institutional project record that clients in banking, diplomatic services, and premier hospitality have trusted when the specification cannot afford to be wrong.