11. Coat to plan and lay out roads 



= function of: • 



1. Planning and layout method 



2. Cost of men and materials 



3. Productivity of the men 



4. Length of road = function of: 



a. Road spacing 



b. Total area 

 III. Cost of road aonstruation 



= function of: 



1. Cost of equipment (owning and operating, including cost of operators) 



2. Production rate of equipment = function of: 



a. Sidehill slope 



b. Percent rock in excavation 



3. Amount of road required = function of: 



a. Road spacing 



b. Road width 



IV. Cost of switohbaok aonstruation 



C. = function of: 

 4 



1. Cost of equipment (owning and operating, including cost of operators) 



2. Production rate of equipment = function of: 



a. Sidehill slope 



b. Percent rock in excavation 



3. Switchback size = function of: 



a. Radius of switchback 



b. Road width 



c. Backs lope of cut 



4. Number of switchbacks = function of: 



a. Road spacing 



b. Distance between switchbacks 



