With the construction of a new hot and cold water, air conditioning system and power generation facility at Melbourne Airport, a pipe bridge was required to link
the existing facility to the new. The five pipes and electrical cables were deemed essential services for the airport and were designed to
remain operational in the event of a severe earthquake or similar catastrophic disaster. The extra design constraints pushed the limits of the simple
structure specified in the brief.
Additionally, the thermal growth of the hot water pipes introduced significant horizontal loads into the bridge and necessitated the design of sliding brackets over the roof of the existing facility. Similarly, the pipe supports inside the new facility required special attention to the fixing into the pre-stressed roof slab. Through careful analysis and creative detailing, the simple structure was able to be designed to resist these unique load combinations.