3. The workers made a 20-mile roundtrip to and from work each day in a 1995 model

 midsize car. Each worker drove his/her own car; however, carpooling was

 considered for its effect on the results in the sensitivity analysis. A 20-mile

 distance served as a worst-case scenario because this represents approximately

 twice the distance most workers travel to work (Khattak et. al. 2005, Demographia

 2005).

4. Equipment was transported to the site on a flat bed truck from within a 20-mile

 radius. Because this distance varies for every site, this mileage was tested in the

 sensitivity analysis (transport distance).

5. A 30-mile distance for transport of equipment to and from the site of harvesting

 was assumed (Long 2003), and harvested wood was assumed to be transported 60

 miles to the sawmill (Long 2003). A transport distance of finished lumber of 100

 miles was assumed to exist from the sawmill to the construction site for virgin

 wood (Long 2003).

6. Salvaged wood was transported 80 miles from the deconstruction site to the new

 construction site. While a 500-mile radius is considered to be a cutoff point for

 environmental savings for delivery of materials to a construction site, this lower

 value was assumed to ensure that the expense of transporting and buying the

 salvaged material does not exceed that of the virgin materials (Smith 2003).

7. Except for small equipment (chainsaws, chopsaws, and weedeaters), each piece of

 equipment used at the barracks site required a separate flat bed truck for hauling.

8. The capacity of each truck was at least capable of handling 5,500 lbs of wood,

 equal to a cord of wood.