a.Total FACH load:

i. (pmNoOfTfc1OnFach1+pmNoOfTfc2OnFach1+pmNoOfTfc3OnFach2)/(measurement period (sec)*100)

b. FACH1 load:

i. (pmNoOfTfc1OnFach1+pmNoOfTfc2OnFach1)/ (measurement period (sec)*100)

c. FACH is considered loaded if:

i. Total FACH load is > 80% and FACH1 Load is > 30%.

From RNC:

FachPayload = pmDlTrafficVolumePsCommon