Conclusions from site analysis

- Bridge has 2 circulation level requirements: Freeway (high) and local (low). These levels do not need to interact.

- Bridge will become primary local level north/south circulation at west end of Docklands/�sherman’s bend. Best location for public program (retail, food, drink, public open space) will be at this level.

- Wind conditions will be most pleasant closer to water level, however there may be overshadowing issues from raised freeway. Nonethe less, between local and freeway circulation levels is likely best loca tion for residential program.

Concept Diagrams

Highway and local tra�c di�er in tra�c volume, speed and access.

They also di�er in heigh requirements and tra�c type.

As such, they have no need to interact, so two bridge classes provide a better solution.

Due to their proximity, the bridges will still be spacially related. As such, they could share structure and counterbalance one and other.

With high and low structural elements already in place, there is an opportunity to suspend program elements between the two bridge types, which could allow for a unique and interesting architectural response.

Concept Sketches

Curve in Plan factors:

- Start + end points- Freeway corner radii- Solar exposure for apartments

Curve in Elevation factors:

- Slope of roadway- Clearance below bridge- Structural Requirements

# of Supports factors:

- Span size- Loads on bridge and supports

Apartment Layout factors:

- Solar exposure- Structural support requirements- Views of city- Predominant wind conditions

Bridge Shape Factors

Form FindingForm was optimised to maximise solar exposure for the apartment build envelope between the bridge by adjusting the midpoint position of the bridges in the x and y direction. The envelope was de�ned by relaxing a mesh between the upper and lower bridges according to di�erent forces.

Moving forwards, this envelope can be used to position the apartments in such a way that they recieve good amounts of natural light and then generate support structures for the bridge and apartments given this positioning.

Alternatively, the mesh can be used as an approximation of the structure and along with ground supports can create a structure around which the apartments can be placed into.