STEP#1: FIELD DATAA,

STEP#2: CONDUCTOR SIZEts,d,Io

STEP#3: TOUCH & STEP CRITERIA

Etouch70, Estep70

STEP#4: INITIAL DESIGND,n,LT,h

STEP#5: GRID RESISTANCERg,LT

STEP#6: GRID CURRENTIG

STEP#7:GPR < Etouch

STEP#8: MESH & STEP VOLTAGES

Em,Es,Km,Ks,Ki,Kii

STEP#10:Es<Estep

STEP#9:

Em<Etouch

STEP#12: DETAILDESIGN

STEP#11: MODIFY DESIGND,n,LT,LR

YES

YES

YES

NO

NO

NO

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Calculations Spreadsheet PAGE  1 / 8