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 much airflow do we need to ventilate? Area Method. Derives the ventilation rate from the area of the space (in square feet) to be ventilated multiplied by the ventilation rate per square foot. Example: For residential bathrooms up to 100 sq. ft. in area, HVI recommends an exhaust rate of 1 cfm per square foot. A bathroom is 6â² to 10â² or 60 square feet.