A traffic management quote is usually prepared from the information available at the time. This may include the work location, expected duration, control method, equipment needs, staffing requirements and approval conditions.
If the site conditions or work method change, the traffic management requirement may also change.
Method Changes Affect Traffic Control
A contractor may originally plan to work inside a property boundary, then later need to work from the road. A small work area may become larger. A short task may take longer. A footpath impact may become a lane impact.
These changes can require different controls, more equipment, additional workers, revised drawings or further approval.
Duration Matters
A quote may assume a certain setup, monitoring and pack down time. If the work takes longer than expected, the traffic management crew and equipment may be needed for longer.
Delays can come from site conditions, weather, access issues, inspections or unexpected work complexity.
Weather and Approval Conditions
Wind, rain and poor visibility can affect equipment stability and road user behaviour. Extra checks, additional ballast or modified work methods may be needed.
The road authority may also require additional controls during review. These can include different work hours, extra signs, pedestrian arrangements, no parking controls or other site requirements.
Clear Communication Helps
The best way to manage cost changes is early communication. Provide accurate scope, photos, dates and work methods. If something changes, tell your traffic management provider as soon as possible.
Final Thought
A changed quote usually means the site requirement changed. Traffic management has to reflect the risk on the road, not only the first assumption.
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