RE: How much floor space does an average person occupy when standing. Worse case scenario - I usually use 2 sq ft per person - but that is tightly packed. RE: How much floor space does an average person occupy when standing. I want to thank every one for their answers.
Cost of a concrete driveway. Gary Salerno, owner of A+ Plus Concrete & Foundation Repair in Carnegie, Pennsylvania, says the average cost of a concrete driveway is $5,000 to $20,000, depending on several variables. He adds contractors who use the best materials typically charge $7 to $10 per square foot.
1 The cost of concrete drive will be between $4-$15 per square foot. 2  Therefore, a driveway that is 1000 square feet will cost $4,000-$15,000 to complete.3  This price depends on the extent of the job and the type of concrete selected.4  The higher the quality of the concrete, the more expensive it will be per square foot. Therefore, a driveway that is 1000 square feet will cost $4,000-$15,000 to complete. 2  This price depends on the extent of the job and the type of concrete selected. 3  The higher the quality of the concrete, the more expensive it will be per square foot.