49115: Facade Engineering - Weatherproofing - Barangaroo Headland Park - Engineering Assignment Help

Assignment Task:

BACKGROUND 

Barangaroo Headland Park (Sydney)

• The park is actually a totally man-made structure. Underneath the grass and trees is a large multi-storey exhibition space, and car parking. 
• So the rocks and grass and trees actually sit on top of a concrete superstructure (concrete slabs, columns, and walls). The soil over the roof is between 1m and 2m deep. 
• The site was originally an old gas storage facility. As a result, the site is contaminated with residual hydrocarbons. 
• The size of the structure means that a couple of joints will be required in the superstructure. 
• The roof of the structure needs to be waterproof. 
• The walls and floor of the structure need to be waterproof and vapour proof (to keep the hydrocarbon vapours out). 

ASSIGNMENT 

A level of research of proprietary membrane types and details will be required for this assignment. 

1) Develop a concept for the waterproofing system for the concrete roof. In describing your solution you need to address: 

- What changes (if any) you require for the concrete slab; 

- What membrane system you propose to use, and why; 

- How do you propose to drain the soil; 

- What details you propose for the joints in the concrete slab; and 

- What options you considered but disregarded, and why. 

2) Develop a concept for the waterproofing and vapour proofing system for the concrete floor and the concrete walls. 

Note: the floor is constructed as a slab on ground. The walls are constructed as freestanding walls, and the ground is placed against it after construction. 

In describing your solution you need to address: 

- What membrane system you propose to use, and why 

- How you intend to construct your solution 

ASSIGNMENT 2

Do you agree with the vapour barrier location shown by the architect on the cross-section? (you need to state your reasons why you agree or disagree) 

If you do not agree, you need to mark up an alternative position for the vapour barrier (on the above cross-section). 

Would your answer change if the building was located in a warmer climate, with overnight temperatures of +16° C? 

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