Engineering Economics
Which method is adopted to develop an approximate or conceptual estimate for perimeter works for buildings from the following?

Cost per linear metre method
Base unit method
Cost per square metre method
Cost per function method

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Engineering Economics
The key to profitable operation for project cost control, is:

To keep the project cost equal to subsequent construction budget
To keep the project cost within the cost budget and knowing when and where job costs are deviating
To keep the project cost equal to original cost estimate
None of these

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