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The Shanghai Armoury Tower, a project that follows from Hitechniaga, is distinct in two principal respects

First, it is deliberately designed as an .con* symbol - in Yeang's words

"... the design is intended to create a modern urban (icon) form, for the clients' progressive and valiant march into the 21st century". 1 Second, the programmatic content is mixed-use including hotel and office spaces. On an environmental level, as a design for a real building, the project extends beyond Yeang's former work with the incorporation of a vertical internal atrium and double-skin façade - both functions of a natural ventilation strategy.

Up to that date in 1997, the Shanghai project is the most potent combination of symbolic imagery and technical innovation, within Yeang's overall portfolio of designs

On a physical level, the design is intensively developed to produce a thoroughly responsive bioclimatic organism and an operationally energy-efficient building, that above all exploits the coasta climatic conditions of Shanghai and enables the occupants to be aware of both seasonal change and the outward prospect of the urban landscape through panoramic vistas.

As with Yeang's other related proiectv such as Hitechniaga, landscaped skycourt-gardens occur at vertical intervals providing internal-external buffer zones and acting as 'green lungs', which regenerate the microclimate of the building's periphery In addition to these, the major features of the inflected cylindrical form include the expressive vertical circulation sys'f '" the introduction of zones of public spa«' and the major formal element of exte"'-1 weather shields.

' Ken Yean« 'Shanghai Armoury Tow« Project Notes

Shanghai, People's Republic of Chi

These a«1 beautifully summarised in Yeang's characteristic and simple diagrams. which seen together, speak of his persistent development of vertical urbanism

Otherwise, what is of particular note in this project is the manner In which the shift in geographical location brings about a form that, particularly in cross-section, responds to seasonal climatic variation and change Both the double-skin facade and the important central atrium play significant roles in the modification and control of natural ventilation and air-insulation relative to the studies of summer, mid-season and winter conditions. Equally, the incorporation of huge wmd-breaker shields, which are adjustable to seasonable wind conditions, and the application of sun-shading devices, both bring solutions to functional needs and add .,-„.-. \ \ \ T 1 TTj^

layers of great expressive force "OvxNX^

to the architecture - literally and symbolically.

The nch innovations of these combined elements - especially the vanable functions of the central atnum, sky-courts and double-skin facade, stand together as an important moment in the development of Yeang's architecture and the move towards a full ecological resolution of its basis.

In giving the Shanghai Armoury Tower its proper Pkce in this evolution, toe major attributes that are earned forward are those of a sejsonal-responsive f0m and the potential

,w that form to carry with 't a cultural-symbolic mes»ge While in overall

^'cal terms, the analysis of systems and operational flexibility and future ^aptabihty are increasingly acute, ^^**sented as integral to the conception owner Northern Pudong Open Economy Company location Shanghai Pudong Golden Bridge Area,

Pudong, Shanghai, People's Republic of China latitude 31 14"N

nos of storeys 36 storeys completion date 1997 (Design)

areas Built-up area 46,750 sq m

Site area 9,100 sq m plot ratio 1:5.13 building plinth 25% ^building height 125 m motor vehicle parking 137 carparking spaces bicycle parking 578 sq m nett design features • The China Armoury Tower is located in the Pudong Distnct of Shanghai The design is intended to create a modern urban icon for the client's progressive and valiant march into the 21 st century

• The 36-storey skyscraper is a symbolic interpretation of components found in military armaments The sweeping panels of metallic screens on the exterior facade alludes to the armour of the Chinese warnor The curved solar panel atop the building depicts the helmet, while the soaring tower piece is the victorious torch'. The stair plan suggests the tngger of a gun

• The China Armoury Tower is a low-energy high-quality building The external and internal design features use a bioclimatic approach to produce an operationally energy-efficient building that makes most of the coastal dimatic conditions of Shanghai and allows for the occupants to experience and be aware of the changing seasons of the year

• Landscaped sky terraces placed at strategic points in the tower represent buffer zones between the inside and outside In addition the act as oxygen generating green lungs', which refresh the microclimate of the penphery of the building The external weather-screen performs as a mulH-functional filter against extreme climatic conditions while allowing generous anoramic views of the surrounding urban-space The blending of bioclimatic devices into the architecture of the Shanghai Armoury Tower will produce a building outstandingly unique in design and style and a proud and distinguished symbol of the owners engineering design objectives • In order to achieve an efficient and low-energy performance building of high environmental quality, through the creative use of matenals and skills, these building engineenng objectives have been set

1 Maximise human comfort in terms of

• good daylight and views

• good air quality

• appropriate room acoustics and insulation

• good thermal control

• adequate humidity control

• good secunty and safety provisions

• good personal control

• high degree of adaptability

2 Minimise running costs and energy consumption by:

• maximising the use of free energies, such as daylight, sun. wind, precipitation and temperature changes

• high levels of thermal insulation

• reliable and appropriate control systems

• efficient building systems and plant

• use of low cost fuels at off peak rates

• maximum use of low energy and renewable matenals

3 Minimise capital cost by

• reducing size of mechanical services

• efficient design of services

• reducing complexity of services

• co-ordination of structure and services.

4 Minimise maintenance costs b>

• utilising durable materials

• long-life equipment

• reliable and simple environmental control systems

• good access for maintenance

5 Maximur useable space b>

• efficient planning

• minimising plant area

• removing the necessity for false ceilings

• maximising structural/service integration

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