At 38,000 square feet in size, they produced average weekly sales of $564,000 translating to sales per square foot of $777, and generated a contribution margin of approximately 6%. These outstanding results, combined with lower average capital investment and pre-opening expenses per store, are driving solid returns.
Drilling rigs commonly operate 24 hours per day, 7 days per week with either three crews working 8 hour shifts or two crews working 12 hour shifts. Most often day crews and night crews will alternate weekly so each crew has a chance to work during both the day and night.
Chevron's Pascagoula Refinery processes 330,000 barrels (13.9 million gallons) of crude oil a day - an amount equivalent to the size of a football field covered to a depth of 40 feet. Operators control the refining processes using hi-tech computers located in control centers situated throughout the refinery.