This project involved the design and delivery of extensive enabling works for the new Maitland Hospital development.

The enabling works have involved the design of a new roundabout for primary hospital access, secondary access, stormwater drainage upgrades, major culvert upgrade under Metford Road for flood mitigation, potable water connection, street lighting upgrades, boundary adjustments, new footpath connection, future scenario considerations and general service coordination.

Robert Bird Group were the Civil Engineers for the project, designing and reviewing the construction of all roadworks upgrades, a new roundabout, stormwater drainage, flood mitigation and service coordination.

Year Completed:
2018
Sectors:
Health
Road

RBG Client:
Health Infrastructure NSW
Primary Contractor:
Donnelley Constructions
CRC Civil
Robert Bird Group Services:
Civil Engineering

Key technical challenges

  • The primary tower structure consists of a composite slab and beam structure. Due to the long beam spans and thin slab, extensive analysis for footfall vibration was required to ensure the structure achieved code requirements and client expectations.
  • Working with the existing structure and developing design solutions that strengthened rather than demolished.
  • Extensive co-ordination with the mechanical engineer to develop a strategy that minimised beam penetrations and beam notches.
  • Differential shortening analysis with consideration of mega truss, steel structure, concrete structure and existing structural elements

Environmental performance

  • 5 Star Greenstar
  • 5 Star NABERs Energy and 4 Star NABERs Water ratings.

Key technical challenges

RBG redesigned the steel plunge columns enabling complex bracing arrangements and programme hold-points to be removed, hence simplifying excavation and improving health and safety. The ground floor slab was redesigned for significant construction loads and to prop the basement wall whilst maintaining a large void to allow the core to rise.

RBG also checked all permanent works elements for the temporary loads induced by the innovative construction sequence. The construction method further reduced the ground movements, thereby minimising the risk to sensitive network rail facilities adjacent to the site.

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