Construction Planning and Management
During the construction period, price variation clause in contracts caters to

Variation in cost in materials element, labour element and petrol-oil-lubricant element
Rate of inflation
Increase in rates of only important materials
Variation in total cost of the project on an ad hoc basis

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Construction Planning and Management
Free float for any activity is defined as the difference between

its latest finish time and earliest start time for its successor activity
its earliest finish time and earliest start time for its successor activity
its earliest finish time and latest start time for its successor activity
its latest start time and earliest start time

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Construction Planning and Management
Mobilization advance up to 10% of the cost of work is given to a contractor

For the purchase of construction materials
On commencement of work at site for payment of loan taken by him
For all activities required to start the work at site on finalization of the contract document
For the payment of advances to labour and other staff

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Construction Planning and Management
Earliest finish of an activity is always

Less than earliest event time of the following node
Less than or equal to earliest event time of the following node
Greater than earliest event time of the following node
Greater than or equal to earliest event time of the following node

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