Jebsens Building

Facade Remediation and Concrete Repair

ICS (for the City of Fremantle)  

Site establishment

Description

BUSS was engaged by ICS, on behalf of the City of Fremantle, to undertake specialist concrete repair works to the facade of the Jebsens Building. Located at 49 Phillimore Street in Fremantle, the Jebsens Building is an example of a commercial building dating from the gold boom period. For safety reasons, breakout of the loose concrete was immediately undertaken, with access via scaffold and elevated work platform. Upon removal of the concrete, it was evident that the building had been constructed using a lightweight concrete, which incorporated the use of coal “clinker”; used to reduce the weight of the building’s fabric. In conjunction with the client and the engineering team, BUSS reviewed and amended the work methodology so that the repairs could be completed using a cementitious concrete repair mortar, incorporating the use of galvanised reinforcement and stainless steel heli-tie fixings into the substrate, thus ensuring suitable protection of the steel reinforcement.

Exposure of coal "clinker" following breakout
Figure 1: Exposure of coal”clinker”following breakout
Repairs nearing completion
Figure 2: Repairs nearing completion

PROJECT INFO

PROJECT MANAGER:

Marc Cugini

PRODUCT USED:
  • Helical 316 grade stainless steel wire wall tie reinforcement
  • Hilti Hit-500
  • HB40 and HB70
HIGHLIGHTS:
  • Use of an engineer designed system to incorporate the new repair materials into the existing substrate;
  • Works that generated noise and vibration were performed outside of normal working hours;
  • Repairs were executed using an EW

LOCATION

49 Phillimore St Fremantle, WA

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