Architecture Beetham Tower, Manchester
the beetham tower, 1 of world s slimmest skyscrapers, has width height ratio of 1:10.
light used accentuate tower s crystalline form throughout course of day.
the building located on narrow site on deansgate @ junction great bridgewater street , liverpool road. tall rectangular form maximises available space. on 23rd storey cantilever projects 13 feet (4 metres) increasing floor space , giving tower definition. on roof glass overrun, described glass blade architect. ten-metre blade accentuates flat south façade, contrasting north façade, , doubles lightning rod.
the tower built carillion using post-tensioned flat slab concrete construction techniques , first structure in united kingdom use doka ske 100 automatic climbing system , trapezoidal windshield.
piling foundations typically preferred skyscrapers, manchester s sandstone substrata meant raft foundation. 2.5-metre thick raft foundation sits 9 metres below ground level. approximately 57,000 tonnes of concrete , 6,000 glass panes curtain wall structure required. on 8,000m of rigid insulation board kingspan used reduce heat loss.
beetham tower s south facade seen bridgewater viaduct.
the skyscraper s curtain wall structure clad in glass , elements added counter excessive light. louvres on south facing windows allow control of daylight , sunlight interior. on west , east facing sides, aluminium strips noticeable ground level project outwards provide shading sun.
the louvres on south façade alter consistency , appearance when open , others closed. stop excessive passive solar gain. ultraviolet light hits glass , changed infrared generates heat through radiation creating overheating.
the tower has 47 floors , 168.87 metres (554 ft) in height, making tallest building in united kingdom outside london, , tallest building in manchester.
floors 1 22 occupied 279 bedroom, 4 star hilton manchester deansgate hotel. 23rd floor has four-metre cantilevered overhang 2 glass windows in floor, overlooking ground skybar, cloud 23, such bar in manchester. floor has bar , lounge operated hilton. floors 25 47 floors occupied residential apartments.
a twelve storey office block planned next tower, 6,506 square metres of floor space. hotel has four-storey annexe, containing swimming pool, ballroom, conference rooms , coffee shop.
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