Duration activity for cast-in-place foundation formwork, Civil Engineering

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A concrete contractor historical records show that the construction duration for a cast-in-place foundation formwork is 1,000-SF/crew-day. Determine the number of days a 200,000-SF formwork for a cast-in-place concrete foundation using 3-crews.

Solution: Apply the equation: Duration_activity= Area / Productivity * Crew Size

Duration_activity= 200,000 - SF/ 1000-SF/ Crew-day * 3 crew = 66.67 days

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