CRYSTAL HILL, FS COMPETITION 2011, UK

This roundabout’s characteristic central reserve is45 m square:Here is the cross point of the Old Street and the CityRoad. There are a few trees and a huge monumentfor advertisement.And people cannot enter into this space.There is Old Street underground station in itsbasement.Old Street station is one of the station of BankBranch in Northern Line. This branch connects fromKing’s Cross to London Bridge.Ticket gates are on the basement as well.The fl oor is confusing regarding circulation, becausethere are eight approaches to the ground.The pavements are narrow on the ground. Becauseeach corner has two exits from basement station.There are four corners. In total, there are eightapproaches.Old Street Roundabout is an access point to HoxtonSquare which is full of pubs and galleries.The south side of this site is covered with shadowresulted from high residencial buildings besides it.Iconic plan.- The site is an iconic space on the map because of itscharacteristic roundabout as a central reserve.-And when people enter this intersection,they can recognize that they are in the Old Street.-They can access to the roundabout, but there isno space for activities.Quite poor environment of the station-This station has few buildings on the ground levelso most of the things are arranged in the basement.When people use underground, they have to go downto basement with ramps or stairs.- Users’ impression about this station is dark, dirty andsmelly.-Homeless peoples have been frequently occupyingsome parts of the fl oor.The circulations are confusing.-Exits of the station are not easy to understand.All of the direction has two approaches, north, south,east and west. Therefore there are eight approaches intotal.-The connections and accessibility are not pertinent betweenone coner to another.-If people wanted to go to opposite side, they may eithergo back to basement or walk a long distance to reachanother coner using the ground level.

The project attempts to change the traffic pointto the community center which not only meets essential function for tube station, but also providesversatile open space with fresh grasslands, running water, fl owing wind and warm sunshine, togetherwith varied shops, all acting as an oasis regionally.The main idea of the design reveals that a land, gently turned over, is divided by the construction lines from block corners, forming the pattern of structure and differentiated spaces.The proposal mainly consists of four elements.Crystal Plaza, an artificial hill, allows different activitieshappen on site, with linear grasslands referring to the under ground tube track and with channeled waterrunning from top of the hill to the bottom. The hill is supported by several glass constructed walls, shapingdiverse spacial atmosphere resulting from different transparency and texture of glass. Furthermore, waterfallgenerated from the edge of the hill, creates a dynamic facade according to different condition of sunlight and light design at night, and it also can be utilized as a screen, projected rich information and advertisement.Lastly, underground level offers major entrance for Old Street Station and great diversity of shops surrounding the hill which will continue and boost the development oflocal economy. Natural ventilation is highly considered in this project, which creates higher velocity of wind at the top of the hill resulting in lower air pressure, and at thesame time creates lower velocity of wind at the bottom,generating higher air pressure. Therefore air inside the building is driven to external environment.



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