Contractors and suppliers frequently submit design elements for the approval by the design team. Contractors, subcontractors and suppliers can also be responsible for design-build elements that must be. coordinated with the overall design concept.
Broker/Agent. Arlington Heights, IL. View Profile. pro-rata share: Take total actual CAM expenses from the prior year (or CAM budget if you know that planned expenses are different that the prior year) and divide by 100,000 to determine CAM cost per square foot.roker/Agent. Arlington Heights, IL. View Profile. pro-rata share: Take total actual CAM expenses from the prior year (or CAM budget if you know that planned expenses are different that the prior year) and divide by 100,000 to determine CAM cost per square foot.
How to Calculate Square Footage. Square footage is the area in square feet. The easiest way to calculate it is by measuring the length and width of your area in feet then multiplying those two numbers together to get the area in feet squared. Calculate. 2  Calculate your area. 3  If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area. 4  For other area shapes, see formulas below to calculate Area (ft 2) = Square Footage.