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Photo Essay on Petronas Twin Towers, KLCC, Malaysia

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Factsheet on Petronas Twin Towers.

Facts on Tower 1 and Tower 2

Number of storeys:88
Height:452 metres above street level
Total built-up area:341,760 sq.metres ( 3.7 million sq. feet)
Foundation:4.5 metres [15 feet] thick raft containing 13,200 cubic metres of grade 60 reinforced concrete, weighing approximately 32,550 tonnes under each tower, supported by 104 barette piles varying from 60 to 115 metres in length The floor-plate of the Tower was designed based on geometric patterns common in architecture of Islamic heritage.
Stainless steel cladding:65,000 sq. metres
Cladding comprised:33,000 panels
Vision glass:77,000 sq. metres
No of windows:32,000 windows
Concrete various strengths up to grade 80:160,000 cubic metres in the super structures
Steel:36,910 tonnes of beams, trusses and reinforcement
Project cost:RM1.8 billion
Man at work:7,000 on the site at the peak of construction and until 1997 there were 1,000 on each tower.

Cesar Pelli & Associates in association with KLCC Architects.
Construction time:five years.
Tower 1 constructed by:The Mayjaus Joint-Venture led by Japan's Hazama Corporation, consisted of JA Jones Construction Co, MMC Engineering Services Sdn Bhd, Ho Hup Construction Co Bhd and Mitsubishi Corporation
Tower 2 constructed by:SKJ Joint Venture led by Samsung Engineering & Construction Co and comprised Kuk Dong Engineering & Construction Co Ltd and Syarikat Jasatera Sdn Bhd.
Tower 2 occupied by:PETRONAS' associate companies and the remaining space leased out to multinationals

Facts on Skybridge

Location of Skybridge:Levels 41 and 42
Length of Skybridge:58.4 metres
Height of Skybridge:170 metres above street level
Weight of Skybridge:750 tonnes
Height of Pinnacle:73.5 meters
Fabricated and assembled by:Samsung Heavy Industries of South Korea. lifting of the skybridge: VSL Heavy Lifting
Engineering consultants:Ranhill Bersekutu Sdn Bhd and Thornton-Tomasetti Engineers

Facts on Elevators

Vertical transportation:29 double-deck high speed lifts in each tower + 6 heavy duty service lifts and 4 executive lifts
Passengers capacity:26 persons per deck or 52 per trip
Travelling time of lifts:between 3.5m/second and 7 m/second
Number of escalators:10 in each tower
Lifts supplied and installed by:Pernas Otis Elevator Company Sdn Bhd(subsidiary of Otis Elevator Co)

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