Construction Of 4.6 Km Legacy Way Tunnel In Brisbane, Australia

Project Summary

The project aimed in construction of a tunnel of length 4.6 km in the city of Brisbane Australia. The project was undertaken and led by ACCIONA along with the BDM construction. The construction company is known for their sustainability in the construction process. The aim of this project was to improve the traffic flow and improvement in the connection between the metropolitan areas the airport of the city.  With the construction of the Legacy way tunnel, it has become easier to manage the traffic and reducing the entire journey time with a negligible impact on the local habitat. The project was implemented with advanced technology. During the construction of the tunnel, the environmental damage was minimized as much as possible. The boring of the tunnel was carried out by two enormous tunnel boring machines. The boring took almost 17 months. The project followed a planned approach that led to the successful completion of the project. The service description of the project is represented in the following section.

The project was implemented with an aim of reducing the road congestions and improving the transport processes. The tunnel linked various parts of the city along with the airport to make those places easily accessible. The tunnel that is built is 4. Km long and it connects the western Freeway at Toowong along with the Inner City Bypass in the Kelvin Grove. The project team and the contractors optimized the project design for enhancing the user experiences for the motorists. The project facilitated the public transport services which were really helpful for the daily passengers. The project was needed for improvement of the daily transport. The project was huge success as the project has owned several awards till date. The list of awards that the project received includes International Tunneling Project of the year. The schedule and the deliverables of the project is represented in the following section.

The major deliverables of the project are represented in the following section.

The deliverables and the overall activities in the project is represented in the following table-

WBS Save Time On Research and Writing Hire a Pro to Write You a 100% Plagiarism-Free Paper. Get My Paper	Task Name	Duration	Start	Finish
0	Legacy Way Tunnel	1369 days	Mon 12-04-10	Thu 09-07-15
1	Project Starts	1 day	Mon 12-04-10	Mon 12-04-10
2	Project Planning	140 days	Tue 13-04-10	Mon 25-10-10
2.1	Gathering the Requirements of the Project	1 month	Tue 13-04-10	Mon 10-05-10
2.2	Understanding the Requirements of the Project	3 months	Tue 13-04-10	Mon 05-07-10
2.3	Estimation of the time	2 months	Tue 06-07-10	Mon 30-08-10
2.4	Development of Project Plan	1 month	Tue 31-08-10	Mon 27-09-10
2.5		1 month	Tue 28-09-10	Mon 25-10-10
3	Project Initiation	80 days	Tue 31-08-10	Mon 20-12-10
3.1	Project Scheduling	1 month	Tue 31-08-10	Mon 27-09-10
3.2	Budget estimation of the Project	1.5 months	Tue 28-09-10	Mon 08-11-10
3.3	Development of Statement of Work	15 days	Tue 09-11-10	Mon 29-11-10
3.4	Approval of Statement of Work	15 days	Tue 30-11-10	Mon 20-12-10
4	Project Implementation	880 days	Tue 21-12-10	Mon 05-05-14
4.1	Site preparation	4 months	Tue 21-12-10	Mon 11-04-11
4.2	Boring Tunnels	17 months	Tue 12-04-11	Mon 30-07-12
4.3	Start of Construction	39 months	Tue 12-04-11	Mon 07-04-14
4.4	Completion of the Project Completion	1 month	Tue 08-04-14	Mon 05-05-14
5	Project Closure	297 days	Tue 06-05-14	Wed 24-06-15
5.1	Evaluation of the Project	3 months	Tue 06-05-14	Mon 28-07-14
5.2	Reporting and Documentation	4 months	Tue 29-07-14	Mon 17-11-14
5.3	Payment Completion	6 months	Tue 18-11-14	Mon 04-05-15
5.4	Resource Release	37 days	Tue 05-05-15	Wed 24-06-15
6	Opening of the Tunnel	1 day	Thu 25-06-15	Thu 25-06-15
7	Project Ends	10 days	Fri 26-06-15	Thu 09-07-15

The Schedule Gantt chart of the project is represented in the following table-

Figure 1: Representing the Gantt chart of the project

(Source: Generated by Author using MS project)

The work activities marked in red in the Gantt chart above depict the critical path of the project

The period of performance of the project is represented in the following table. The project was implemented for almost 5 years and the project was successful.

WBS	Task Name	Duration
0	Legacy Way Tunnel	1369 days
1	Project Starts	1 day
2	Project Planning	140 days
2.1	Gathering the Requirements of the Project	1 month
2.2	Understanding the Requirements of the Project	3 months
2.3	Estimation of the time	2 months
2.4	Development of Project Plan	1 month
2.5		1 month
3	Project Initiation	80 days
3.1	Project Scheduling	1 month
3.2	Budget estimation of the Project	1.5 months
3.3	Development of Statement of Work	15 days
3.4	Approval of Statement of Work	15 days
4	Project Implementation	880 days
4.1	Site preparation	4 months
4.2	Boring Tunnels	17 months
4.3	Start of Construction	39 months
4.4	Completion of the Project Completion	1 month
5	Project Closure	297 days
5.1	Evaluation of the Project	3 months
5.2	Reporting and Documentation	4 months
5.3	Payment Completion	6 months
5.4	Resource Release	37 days
6	Opening of the Tunnel	1 day
7	Project Ends	10 days

The payment of the project was done according to the achievement of each milestone of the project. For accurate payment of the resources, the budget was estimated at the initiation phase of the project. All the payments that were associated with the project were completed within 15^th of each month. The estimated budget of the project was $1.5 billion.

Sub contractors played a major role in successful completion of the project. The project was led by the contractors and the sub contractors of ACCIONA. The construction part of the project was mainly led by the BDM construction and Ghella.

The main representatives of this project were Brisbane City Council along with the Queensland Motorways. The main stakeholders of the project include ACCIONA Infrastructure and BMD construction that is located in Brisbane.

The risk associated that were associated with this project are as follows-

Risk	Severity	Probability of Occurrence
Schedule Risk	High	High
Budget Risk	Medium	High
Resource Shortage	High	Medium
Risk of scope creep	Low	Low

The assumptions associated with the project are as follows-

1. The project should be completed within the set budget of the project
2. It is assumed that the schedule estimated for the project is accurate for project implementation

The main stakeholders associated with the project are as follows-

Stakeholder	Interest	Influence
Project Manager	medium	Medium
ACCIONA	High	High
BDM Construction	Medium	High
Brisbane City Council	High	High
Contractors	Medium	Medium
Sub Contractors	Medium	Medium

The applicable standards associated with the implementation of the project are as follows-

1. AS 4915-2002/Amdt 1-2005 for accurate project management
2. AS ISO 10006-2003 for accurate quality management

The acceptance criteria that was set for this project are as follows-

1. The project should abide by the applicable standards
2. The project should be completed within the estimated project schedule

There were certain special requirements of the project that were considered as out of scope for the project These are as follows-

1. The project was needed to be completed as early as possible
2. The tunnel boring took longer than expected.

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