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.
What you pay for then-your rentâis the rentable square footage times the lease rate per square foot. To calculate rentable square footage for a smaller (less than full-floor) tenant, first multiply the usable square footage by the floor common factor, then multiply that result by the building common factor.hat you pay for then-your rentâis the rentable square footage times the lease rate per square foot. To calculate rentable square footage for a smaller (less than full-floor) tenant, first multiply the usable square footage by the floor common factor, then multiply that result by the building common factor.