The heritage listed Horseshoe Bridge in Perth connects the CBD to Northbridge. It was constructed in 1904, with the horseshoe shape designed to fit the approach ramps into a constricted site.
Duratec was engaged by Doric to complete the following scope of works:
- Corbel and rosette replacement.
- Abutment padstone repairs.
- Replacement of ventilation surrounds.
- Arch steel strengthening.
- Plaster and render crack repair.
- Repair delaminated/spalled render and coke breeze concrete.
- Removal of staining to facade.
- Reinstatement of loose brickwork.
- Re-pointing of mortar joints.
- Masonry wall reconstruction.
- Repairs to existing columns and bases.
- Works completed on a tight programme with restricted access due to interaction with multiple subcontractors on site for the duration of the works.
- The works involved detailed repairs to strict heritage requirements including successfully matching existing concrete corbel and rosette details which are 110 years old.
- Corbels were created using specialised in-house equipment to produce polyurea moulds which provided significant cost and time savings.
- Project completed safely with no HSEQ injuries or incidents.
- Structural rehabilitation of the brickwork was achieved through a crack stitching process, bricks were abrasive blasted prior to being build to achieve a seamless match to the existing structure.
- Preservation of Heritage Structures