Inspectors begin audit and Queensland reviews health and safety laws.

This week's Dreamworld tragedy has sparked a month-long safety crackdown across Queensland's theme parks, starting with the Gold Coast icon.

Workplace inspectors descended upon Dreamworld yesterday in the first step of a government response to Tuesday's accident in which four people died on the Thunder River Rapids ride.

Other Queensland attractions - Movie World, Wet'n'Wild, Sea World, Aussie World and Australia Zoo - will be visited by inspectors in November. Employment and Industrial Relations Minister Grace Grace, who visited the floral tribute outside Dreamworld on Friday, said the crackdown was necessary to restore public confidence in the theme park industry ahead of the Christmas holidays.

Grace said the inspections would be wide-ranging.

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"They'll be looking at records inspection, maintenance and repair and manufacturer documentation in our theme parks," she said.

"Ride operator training and procedure records, along with controls and processes for taking out and returning equipment to service will also come under the spotlight in these safety audits."

Premier Annastacia Palaszczuk announced an audit of Queensland's workplace health and safety laws at the Labor party state conference on the Gold Coast yesterday.

Palaszczuk said the Government wants to propose tougher penalties and introduce a new charge of gross negligence causing death to the laws.

Dreamworld, which remains closed as police continue to investigate the accident site, yesterday announced a permanent memorial will be established within the park.

Four trees will be planted, one for each victim, as Dreamworld chief executive Craig Davidson announced no customer or guest would be left out of pocket during the closure.

He said all park staff would continue to be paid during the closure and staff will be invited to return to work on a non-compulsory basis from next week.

The park will remain closed to the public until at least the completion of the funerals of the four victims.

Federal opposition leader Bill Shorten paid his respects yesterday, laying flowers at the park's entrance.

"Let us spare a thought for those families trying to make some sense of what is simply a nightmare," he said.

"And all our hearts go out in grief and sympathy to those in the middle of this horrible tragedy."

Fundraising efforts for the victims continue to grow.

A fund set up to assist the partner and two children of victim Kate Goodchild has raised A$48,000 and A$100,000 has been donated by 10 Gold Coast-based organisations through a separate fund.

- AAP