BORGES-CLARKSBURG AIRPORT - sacog

Example 3.a -A proposal for a 12,000 square foot mobile home repair business on
a 200 x 240 foot lot. The business would operate nine hours each day. There would
be 30 employees in the building during each hour. During four hours, a total of 15
visitors are expected each hour.
Averaae Densitv
1. The size of the project is 200 x 240 feet, or 48,000 square feet. Dividing
48,000 by 43,560 results in a project of 1 .I acres.
2. The number of persons during each hour is 30 during five hours and 45
during four hours.
3. A total of 330 persons will be on the site during the nine hours of operation
(5~30=150and4~45= 180).
4. The average number of persons per hour is 330 divided by 9 hours, or 37.
5. Average density per acre per hour is 37 divided by 1 .I, or 34.
Highest Densitv
1. The highest number of persons expected at any time is 45. (30 employees
and 15 visitors).
2. Size of project is I .I acres.
3. Dividing 45 persons by 1.1 acres results in 41 persons per acre.
In this example the project exceeds the 25 persons per acre per hour standard, at 34,
but does not exceed the maximum density standard of 50 persons per acre at any
time, at 41. This project would be incompatible with Airport Land Use Commission
standards.
Example 3.b -A proposal for a sheet metal fabrication facility on 2.5 acres. The facility
will have a fabricating building, a warehouse, and a shipping dock. The facility will
operate two eight hour shifts. One shift as 45 workers and the other has 30. No
customers come to the facility.
Average Densitv
1. Projectsizeis2.5acres.
2. Persons per hour is 45 x 8 = 360 and 30 x 8 = 240.
3. Total persons is 600 during 16 hours of operation.
4. Average persons per hour is 600 divided by 16 = 37.5.
5. Average density per acre per hour is 37.5 divided by 2.5, or 15.