How to give a user su root access with sudoers

How to add an entry in a local sudoers file to enable an individual user su root access

These are the type of entries – just edit file with vi


#Temp access for 10 days from 200709 - itask 1374893
gbsmnt eudt0076-dt = SUROOT

#Temp access for 10 days from 300709 - itask 1392545
gbchgd eudt0076-dt = SUROOT