"The earthworks are being undertaken in phases, as it's important we keep disruption to a minimum for everyone," said CEO Phil Cammish.
"We do encourage visitors and people coming to appointments in the hospital to go to the Clarke Street car park first," he said. "You can get to the Clarke Street car park from either 17th or 20th Avenues."
What are Lamson tubes?
The Lamson Tube system, which originated in 1881, is a system of transporting items around organisations using pneumatic tubes and compressed air.
From January 1 to October 7, 2015, the Tauranga Hospital Lamson system made 200,147 carrier movements.