ESAL

Caculate ESAL35+10%=38.5tons=84700 lb

18% 28% 54% =15246 lb =23716 lb =45738 lb

ELAF=2.5 2.9 3.48ESAL=(2.5+2.9+3.48)*25210=223864.8/year

43+10%=47.3tons=104060 lb

12.5% 43.74% 43.74% =13017.9 lb =45515.8 lb =45515.8 lb

ELAF=1.326 3.41 3.41

ESAL=(1.326+3.41+3.41)*25210=205360.6/yearTotal ESAL=223864.8+205360.6=429225.5/year

AssumptionsTry&errorSN=3.6: