Petronas twin tower

1. GROUP MEMBERS
• R.M.S.T.Ranaweera
• H.R.M.P.G.Rathnayaka
• R.D.Sudasinghe
• T.M.S.B.Thennakoon
• K.M.N.C.Thilakarathna
• N.G.I.N.Chathuranga
• K.K.Dhananjanee
• R.A.T.M.Ranasinghe
• K.P.K.P.Samaranayaka
• Y.M.R.D.Senevirathna

2. • The Petronas Twin Towers, located in Kuala Lumpur, Malaysia, are among the most iconic
skyscrapers in the world.. Planning on the Petronas Towers started on 1 January 1992 and included
rigorous tests and simulations of wind and structural loads on the design. They were completed in
1998, and at the time were the tallest buildings in the world, measuring 1,483 feet (452 meters) in
height. Today, they remain the tallest twin towers in the world and a must-see attraction for visitors
to Kuala Lumpur.
• The towers were designed by the Argentine-American architect Cesar Pelli, who drew inspiration
from Islamic art and architecture. The towers' façade features intricate geometric patterns and
Islamic motifs, while the towers themselves are arranged in the shape of an eight-pointed star, a
symbol common in Islamic art.
• The total cost for constructing Malaysia's twin skyscrapers was over $1.6 billion US.
• The towers are home to a variety of tenants, including offices, retail spaces, and the headquarters
of the oil and gas company, Petronas. The towers' 88 floors are serviced by a total of 78 elevators,
which are among the fastest in the world, capable of reaching speeds of up to 1,010 meters per
minute.

3. • One of the main attractions of the Petronas Twin Towers is the Skybridge, a 170-meter-long (558-
foot-long) walkway that connects the two towers on the 41st and 42nd floors. Visitors can take an
elevator to the Skybridge and enjoy panoramic views of Kuala Lumpur's skyline and surrounding
areas.
• Another popular attraction is the Observation Deck on the 86th floor of the towers, which offers
breathtaking views of the city and beyond. Visitors can purchase tickets to access the Observation
Deck and spend time taking in the stunning views of Kuala Lumpur and its surroundings.
• The Petronas Twin Towers are not just an engineering marvel, but also a symbol of Malaysia's
economic and cultural progress. They have become a source of pride for Malaysians and a popular
destination for tourists from around the world. Their unique design and impressive height have
made them a recognizable landmark of the city of Kuala Lumpur and an important part of
Malaysia's cultural heritage.

4. Petronas Twin Towers
Construction Project
Plan
1. Project Objectives:
- Construct two iconic towers that will serve as a symbol of Malaysia's
economic growth and modernity.
- Create a world-class office space that meets international standards.
- Ensure the completion of the project within the defined timeframe and
budget.
- Implement sustainable design and green initiatives for energy efficiency
and environmental conservation.
2. Project Deliverables:
- Completed PETRONAS Twin Towers with all architectural features and
structural elements.
- Fully functional office spaces, including amenities and facilities.
- Adherence to sustainable design principles and green building
certifications.

5. 3. Project Stages:
a) Pre-Construction Phase:
- Conduct feasibility studies and site analysis.
- Develop architectural and engineering design plans.
- Obtain necessary permits and approvals from relevant authorities.
b) Construction Phase:
- Clear the construction site and prepare for foundation work.
- Construct the foundation system, including piling and basements.
- Build the steel and concrete composite structures for both towers.
- Install architectural features, such as glass facades, sky bridge, and
landscaping.
- Complete interior fit-out and infrastructure, including HVAC,
electrical systems, and elevators.
- Conduct thorough quality assurance and safety checks throughout
the construction process.

6. c) Post-Construction Phase:
- Perform final inspections and obtain necessary certifications.
- Conduct tenant installations and fit-outs.
- Establish maintenance and operational procedures.
- Develop a comprehensive handover plan for PETRONAS and
related stakeholders.
- Prepare for the official opening and inauguration of the
PETRONAS Twin Towers.
4. Resources:
- Human resources: Architects, engineers, project managers,
construction workers, administrative staff, and support personnel.a
- Material resources: Construction materials, equipment, tools,
machinery, and technology.
- Financial resources: Budget allocation for the entire project,
including contingencies and reserves.

7. 5. Timeline:
- Pre-Construction Phase: 6 months
- Construction Phase: 4 years
- Post-Construction Phase: 2 months
6. Milestones and Deliverable Dates:
- Feasibility study and design plans approved: Month 6
- Foundation work completed: Month 12
- Structural construction completed: Month 36
- Sky bridge installation: Month 40
- Interior fit-out and infrastructure completed: Month 44
- Final inspections and certifications obtained: Month 56
- Tenant installations completed: Month 57
- Official opening and inauguration: Month 58

8. 7. Monitoring and Control:
- Regular progress reviews and status updates.
- Monitoring of key performance indicators, including
budget, timeline, and quality.
- Prompt resolution of issues and risks through effective
project management techniques.
- Adherence to safety standards and regulatory
requirements.
8. Communication and Stakeholder Engagement:
- Regular communication with stakeholders, including
PETRONAS, government authorities, contractors, and
tenants.
- Timely reporting on project progress, milestones, and any
changes or deviations from the plan.
- Addressing stakeholder concerns and ensuring
transparency throughout the project.

9. Execution of Petronas
Twin Tower malyasia
During the execution of the Petronas Towers project in
Malaysia, several tasks were undertaken to construct the
iconic Twin Towers. Here are some of the key tasks that were
carried out:
1. Design and Planning:
• Architect César Pelli and his team developed the design
for the Petronas Towers. This involved architectural
planning, structural engineering, and consideration of
local climate and cultural factors.
2. Site Preparation:
• The construction site in Kuala Lumpur was prepared,
which involved clearing the area, leveling the ground, and
making necessary adjustments to accommodate the
towers' foundations.

10. 3. Foundation Construction:
• Given the soft and unstable soil conditions in the area, a
complex foundation system was implemented. This involved the
construction of deep piles and a reinforced concrete foundation
to support the weight of the towers.
4. Structural Construction:
• Skilled workers erected the steel and reinforced concrete
structural framework of the Twin Towers. This included the
assembly of steel columns, beams, and trusses, as well as the
pouring of concrete for the floors and core walls.
5. Curtain Wall Installation:
• The exterior of the Petronas Towers features a distinctive
curtain wall system. Glass panels and aluminum frames were
meticulously installed to create the towers' facade.
6. Interior Construction:
• The interior spaces of the towers were developed to
accommodate office areas, commercial spaces, and other
facilities. This involved the installation of electrical systems,
plumbing, HVAC, and other necessary infrastructure.

11. 7. Mechanical and Electrical Systems:
• Complex mechanical and electrical systems were installed,
including elevators, air conditioning, fire suppression systems,
and utilities to ensure the smooth operation and safety of the
buildings.
8. Finishing and Interior Design:
• The towers' interiors were finished with flooring, wall coverings,
and lighting fixtures. Interior design elements, such as
furnishings, were also incorporated to create functional and
aesthetically pleasing spaces
9. Testing and Inspections:
• Thorough testing and inspections were conducted to ensure
compliance with safety standards and regulations. This involved
structural integrity tests, fire safety tests, and other evaluations.
10. Landscaping and Surrounding Infrastructure:
• The development of the Petronas Towers project included the
creation of the surrounding landscape, plaza areas, and the
construction of supporting infrastructure, such as roads and
utilities
Throughout the project, various professionals, including architects,
engineers, construction workers, and project managers, worked together
to successfully complete the construction of the Petronas Towers.

12. Monitoring
and
Controlling

13. Monitoring and controlling the Petronas Twin Towers in
Malaysia primarily falls under the responsibility of the tower
management. Here are some aspects of monitoring and
controlling that are typically carried out
Security:
The security of the Petronas Twin Towers is of utmost
importance. The tower management employs a comprehensive
security system, including surveillance cameras, security
personnel, access control measures, and emergency response
protocols. Regular monitoring of these systems ensures the
safety and well-being of visitors and employees.

14. Maintenance:
Regular maintenance and upkeep of the towers are
crucial to ensure their structural integrity and
functionality. The tower management oversees a team
of maintenance staff who conduct routine inspections,
repairs, and necessary upgrades. Monitoring
maintenance schedules and coordinating with
contractors and service providers helps maintain the
towers in optimal condition.
Visitor Management:
Monitoring and controlling visitor flow is essential for a
smooth and organized experience. The tower
management sets visitor capacity limits and monitors
ticket sales to avoid overcrowding. They may also
implement timed entry slots or appointment systems
to regulate visitor numbers and ensure a comfortable
experience for all.

15. Emergency Preparedness:
The tower management establishes comprehensive
emergency response plans, including fire safety
protocols, evacuation procedures, and medical
assistance arrangements. Regular drills, training
sessions, and simulations ensure preparedness and
enable effective control during emergencies.
Stakeholder Management:
The Petronas Twin Towers serve as a symbol of
Malaysia's pride and attract numerous visitors, tenants,
and stakeholders. Effective management involves
maintaining positive relationships with stakeholders,
addressing their concerns, and facilitating smooth
communication channels.

16. Overall, monitoring and controlling the
Petronas Twin Towers encompass a wide
range of activities, from security and
maintenance to visitor management and
sustainability efforts. By implementing
robust systems, conducting regular
monitoring, and addressing issues
promptly, the tower management ensures
a safe, enjoyable, and sustainable
experience for all visitors and
stakeholders.

17. Reference
• https://www.petronastwintowers.com.
my/design-and-structures/
• https://en.wikiarquitectura.com/buildin
g/petronas-towers/
• https://lawaspect.com/project-
planning-twin-towers/