SKYSCRAPERPETRONAS TWIN TOWER

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Location Jalan Ampang, Kuala Lumpur, Malaysia. Coordinates 3.15785°N and 101.71165°E

1) Petronas Twin Tower2) Concert Hall3) Suria KLCC Retail Complex4) Maxis Tower5) Esso Tower6) Mandarin Oriental Hotel7) KLCC Park8) Mosque

Number of storeys:Number of storeys: 8888 Height:Height: 1,483 feet above 1,483 feet above

street levelstreet level Built-up Area:Built-up Area: 3.7 million 3.7 million

sq. feetsq. feet Design/Architecture:Design/Architecture:

Cesar Pelli, in association Cesar Pelli, in association with KLCC architectswith KLCC architects

Elevators:Elevators: 29 double-deck 29 double-deck high speed passenger lifts in high speed passenger lifts in each tower each tower

Owner : KLCC HoldingsOwner : KLCC Holdings Architects :Architects :

Cesar Pelli & Associates, IncCesar Pelli & Associates, IncCésar Pelli (born October 12, 1926)

(age 87) is an Argentine American architect known for designing some of the world's tallest buildings and other major urban landmarks

March 93 - Excavation work for the foundation began.March 93 - Excavation work for the foundation began. March 94 - Construction began for Tower One. March 94 - Construction began for Tower One. April 94 - Construction began for Tower Two.April 94 - Construction began for Tower Two. 7 Aug 95 - The lifting of the skybridge started.7 Aug 95 - The lifting of the skybridge started. 10 Aug 95 - The skybridge was finally in place.10 Aug 95 - The skybridge was finally in place. 13 Feb 96 – Pinnacles Construction began. 13 Feb 96 – Pinnacles Construction began. 5 Mar 96 – Pinnacle installation completed for Tower 25 Mar 96 – Pinnacle installation completed for Tower 2 11 Mar 96 - Pinnacle installation completed for Tower 111 Mar 96 - Pinnacle installation completed for Tower 1 June 96 - Cladding was completed.June 96 - Cladding was completed. April 96 - Declared as the world's tallest building.April 96 - Declared as the world's tallest building. 31 Aug 99 - Official opening by Prime Minister.31 Aug 99 - Official opening by Prime Minister.

The length of making process

The historical background of the building Goal: To be a challenge of the century and to make Malaysia be recognized worldwideWidely seen as a brain child of Malaysia's retired Prime Minister, Tun Dr. Mahathir Mohammed it was another of his conceptual thinking in transforming the "unproductive" once-a-month utilities into a visionary "City within the City" concept.

The material used

The stainless steel covered 65,000 square. meters. The vision glass covered 77,000 square. meters. 160,000 cubic meters of concrete wa sused in the superstructures. The steel used was 39,910 metric tons. The steel was used to strengthen the towers. For the base of the towers, 405 meters or 15 feet thick raft holding 13,200 cubic meters of grade 60 strengthened concrete. The concrete weighed almost 32,550 metric tons below each tower.

DESIGN TOWER DESIGN TOWER

Special things

Lift systemThe main bank of Otis Lifts is located in the centre

of each tower. All main lifts are double-decker with the lower deck of the lift taking passengers to even numbered floors and upper deck to odd numbered floors. To reach an odd-numbered floor from ground level, passengers must take an escalator to the upper deck of the lift.

ReferencesReferences

1) http://www.klcc.com.my/Showcase/PTT/ps_ptt_overview.htm

2) http://www.greatbuildings.com/buildings/Petronas_Towers.html

3) http://www.emporis.com/en/wm/cx/?id=100172

4) http://www.skyscraperpicture.com/kualalumpur.htm

5) http://www.structurae.net/structures/data/index.cfm?ID=s0000053