Case Study
Client: ARCHITECTURAL SERVICES DEPARTMENT, HONG KONG SAR GOVERMENT
Architect: RONALD LU PARTNERS
Main Contractor: TECHOY CONSTRUCTION COMPANY LTD.
Specialist Contractor: Stonewest (HK)
Services Provided: Cleaning, Restoration & Renovation, Conservation
Project Overview
The three buildings in the Central Government Offices (CGO) Complex were built post-war in three phases with the West Wing completed in 1959 and awarded Grade 1 status by the Antiquities Advisory Board in 2012.
Renovation works for the West Wing were undertaken to allow for the re-use of the building by the Department of Justice and law-related organizations.
Stonewest (HK) were appointed to carry out the restoration of the mosaic tiles, the key character defining element of the external façade.
Key Successes
- Thermatech steam cleaning of the external façade to expose the original mosaic panels.
- Joint inspections with the architect and engineer to develop elevation repair schedules.
- Salvaging mosaic tiles for re-use.
- Low pressure injection grouting & mechanical fixing of the existing panels to the existing concrete substrate.
- Sampling and manufacture of new mosaic tiles to match existing.
- Spalling repairing to concrete substrate.
- Patch repair of mosaic tiles where required.