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PETRONAS TOWERS(KLCC) Presented By: Fahad Humayun Bilal Ahmad ABDUL WAHID and HUMAYOUN. Presented To: madame sophia maryam

Petronas twin towers malaysia

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PETRONAS TOWERS(KLCC)

Presented By:Fahad Humayun

Bilal Ahmad

ABDUL WAHID

and

HUMAYOUN.

Presented To: madame sophia maryam

Petronas Tower Kuala Lumpur , Malaysia.

Architect Cesar pelli and Associates.

Client Kuala lumpore city center(KLCC) holding Sdn Bhd (SENDIRIAN BERHAD).

DESIGN 1991.

Completed 1997

ARCHITECTURAL DATA:

Height of the towers: 452m(1482.6ft)

(Above street level)

Numbers of floors : 88 floors (occupiable)

Gross Building area : 2.3 million sq ft.

(each tower)

Height of Pinnacle : 241 feet.

Size of floor plate(gross):

Lower floor – 28,239 sqft:

Upper floor -22,490 sq ft to 10,000 sq ft:

ARCHITECTURAL DATA:

Typical floor to floor height : 13 feet 2 inch.

Finished Ceiling height : 8 feet 8 inch.

Raised floor : 5 inches (floor 8 to floor 72).

Sky Lobby : level 41 to 42.

(include ,conference center,

dining facilities and prayer room)

• Located in the golden triangle of Kuala lumpur (a site that is center geographically and also graphically).

In the last few decades KL has been growing at a tremendous rate and undergone many changes due to economic prosperity , changing lifestyle and land pressures in the city, these changes arise to the golden triangle.

The economic boom years 1970s and 1980 made the area very attractive for developers and speculators.

Site and surrounding

Site and surrounding

• LAKE SYMPHONY: 10,000 square meter man made lake with water foundation.• JOGGING TRACK AND FOOT PATH: 1.3 km long is coured with EPDM, a special rubberized material for comfort and safety. Rest areas are provided along inter connecting footpaths.• ORNAMENTAL WATER FEATURES: Various waterfalls, fountains,cascade and reflecting pools are scattered around the park.

Site and surrounding

CHILDREN PLAY GROUND:Ground is located on the west side of the park.

MOSQUE:The mosque syakirin mosque also known as KLCC mosque is situated near the suria KLCC shopping center and the PETRONAS twin towers

PLANNING ANALYSISThe plan is like the Rubel Hizb symbol.

PLANING ANALYSISFloor planning: The floor planning design was originated from the ancient Islamic forms of eight pointed stars and decorative motifs. When viewed is plan, the towers appear as row overlapping squares-interlocking heaven and earth – to create an eight pointed star which is further refined with half circle between the star points.

PLANING ANALISIS

EXTERIOR FAÇADE:The exterior façade is made from glass aluminum and stainless steel panels which brings a tremendous light effect from the sun light and it changes on different time of the days and months throughout the year.

FOUNDATION OF PETRONAS TWIN TOWERS.•Two Raft Foundations, 15 ft thick, each containing 13,000 cu

meter of grade 60 concrete which weight approximately 32,350 tone barrette piles (rectangular section piles,9 into 4 feet, varying from 197 to 380 feet deed)

•The perimeter diaphragm wall: 2 ft 6 in thick•Structure: A core and cylindrical tube frame system,

constructed entirely of cast in place, high strength concrete(Up to grade 80)

FOUNDATION OF PETRONAS TWIN TOWERSFLOOR FRAMING AT TOWER LEVELS:

Concrete fill on composite steel floor deck and composite rolled steel framing.

SKYBRIDGE

• One of the most dramatic feature in the construction of the towers is the placement of the two story sky bridge.

• It connect the towers.• It would used for emergency purposes(fire in one tower people

escape to other tower by mean of bride).

SKYBRIDGE

•Location of sky bridge: levels 41 to 42.•Length of sky bridge: 58 .4 meters.•Worker of sky bridge: Connect the two buildings also easy

use in emergency( fire in 0ne building) people escape to other building by sky bridge.

SKYBRIDGE

Height of sky bridge: 170 meters above the street level.Reaction of bridge on beams: on the beamsThere is tension because it hold the bridge.