The trip was funded by his old friends from the Otago Survey School class of 1992 who raised $7500 for the mission.
He would travel alone, but a friend from that class would travel down from Aberdeen to assist him.
Stoff, who has remeasured Baldwin St with his own surveying equipment, said the trip "should be a laugh".
"We're just treating this as an academic exercise. If they still have the record, well done, good job boys."
There many logistics to consider, such as traffic management while they survey the street.
"It's not like a holiday or anything, there's a lot of stuff to sort out."
However, it would also be a "cultural visit", he said.
The saga could lead to a connection between the Harlech and Dunedin.
"We've got this thing in common now. They might think it's great, if they can get a bit more publicity."