The projects will target the Manuherekia catchment.
Police were called to the crash on Reed St shortly after 9pm.
One of the alleged offenders also threatened a Countdown staff member.
The 34-year-old was working alone on a digger at a forestry block when the incident happened.
The workplace accident happened at a forestry site.
Emergency services were called about 3:30am on Tuesday.
They say every time they search for answers they end up with more questions.
"Should this conversation not have been had before you spent the $45 million?"
The Sophia Charter aims to enhance the wellbeing and safety of Dunedin students.