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Professional Practice: Guideline for Quantity Surveyor Chapter 3
3.7 Advantages & Disadvantages of Traditional Contract in Procurement
Method
Advantages of Traditional Contract
A distinct advantage of this arrangement is that client, designers, and builders
familiar with this type of procurement.
A high level of price certainty for the client. Since cost is known before
construction commences, and providing the design process has been
completed fully in the pre-contract stage.
Opportunity to get good price competition from the open market. The client is
able to advertise the job to everyone. A word of caution is that the contract
documents must be accurate, containing no errors, and they must reflect
exactly what the client wants, since any and all changes will subject to
renegotiation of the contract amount with the main contractor.
Client does not have to be actively involved on a day-today basis. The clients
needs to be involved at a specific review points during the course of the
project.
Disadvantages of Traditional Contract
The contractor and subcontractor have no input until they are selected during
the bid and award phase.
The owner, consultants and contractor work autonomously. The architect
designs the project based on owner instructions alone; the contractor prices
and schedules the project based on the construction documents alone. This
approach provides little opportunity for interaction and team building among
the participants, so that when interpretations have to be made, and if they are
made differently, major conflicts can occur.
A relatively lengthy time from inception to start on site.
Problems relating to design error. The risk relating to the design lies with the
client. Post contract design changes are frequently abundant and resultant
delays and disputes are common.
Lack of involvement of the constructor in the design process.
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