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.
Summary of CAM Fees. 1  CAM is an acronym for Common Area Maintenance..  CAM expenses are allocated to tenants on a pro rata basis: the more square footage a tenant rents, the greater percentage of CAM expenses it must pay.