A man has been taken to hospital after being crushed by part of a pipe on the AWPR site at Milltimber.
Police, fire and ambulance crews were called to the industrial accident at Milltimber Brae just before 11am.
The man, who was a contractor working for Scottish Water, reportedly suffered serious but not life-threatening injuries.
It’s understood he sustained a broken leg and ribs.
A Scottish Ambulance Service spokesman said: “We received a call at 10.50am today to attend an incident near Milltimber Brae.
“We dispatched one ambulance and our special operations response team to the scene.
“A male patient in his fifties was taken to the Aberdeen Royal Infirmary.”
A Scottish Water spokesman said: “A contractor working for Scottish Water has been taken to hospital after being involved in an incident at a site near the A93 in Deeside.
“A full investigation into the cause of the accident has been launched.
“Scottish Water takes health and safety very seriously and it is a top priority on all of our sites and we will work with our contractor and the Health and Safety Executive to find out the cause of this accident.
“Our main concern at the moment is the wellbeing of the injured man.”
A Scottish Fire and Rescue Service spokeswoman said: “The initial report which came to us was that a man was stuck under an object.
“We were later stood down and paramedics were dealing with the man.
“Three appliances from Anderson Drive, Altens and Central were called.”
A Transport Scotland spokesman said: “We understand that an operative working on behalf of Scottish Water has been involved in an incident and has been taken to hospital.
“Transport Scotland takes the safety of all those people working in and around major infrastructure projects such as the AWPR/B-T project very seriously and a full investigation has been launched to establish the cause of this accident.”