Melbourne-based tradies and subcontractors working on Ballarat sites have been urged to remember lockdown rules will follow them when they leave restricted zones.
That means they can't go to Ballarat bars or restaurants after work, and potentially spread coronavirus to locals.
The call echoes Ballarat hospitality businesses stating they will perform identification checks on customers to make sure they aren't from locked-down areas.
One leading Ballarat-based construction firm has led the charge on safe working environments at its sites across the state.
Nicholson Construction director Richard Nicholson said his company was in contact with all workers - tradesmen, subcontractors, and suppliers - who lived in Melbourne and worked in the regions.
"It's reminding them when they're up here they need to follow the requirements in the zone they've come from," he said.
"They're not allowed to socialise, or go out to the pubs (in Ballarat)".
Mr Nicholson said the company had been quick to adapt to restrictions as they came in, particularly at larger projects in Ballarat.
"It's really quite broad and deep, all the procedures we're following," he said.
"On the ground, it starts at the hazard identification stage, so, what are the risks in this project? "We identified COVID-19 as one of the key risks to our projects, and we developed strategies to mitigate that risk."
All visitors to sites must undergo an induction which details virus control measures and records their personal details for contact tracing, and every person who enters a site, including workers, have their temperature checked every day.
Mr Nicholson said he was also proud to say almost all of the workers on one major project had been tested, and all were negative.
Masks have been mandatory on-site for some weeks - wearing masks or face coverings will be mandatory in public across all of Victoria from Sunday evening.
Social distancing is also enforced across sites - for example, lifts are restricted to no more than four people and an operator, and there is additional daily cleaning of high-touch surfaces.
"Since Melbourne went into stage 3 (restrictions), most of our office staff are working from home again anyway, that happened naturally," he said.
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"We're finding productivity hasn't been impacted, if anything, productivity is up - the people on site are appreciative they've got a job, a lot of people don't have work, therefore they're keen just to get into it, and I also think we're all feeling a little bit cooped up (so being on-site) is a way to get back to some normality."
Remember to maintain good hand hygiene, wear a mask when in public, and keep a 1.5 metre distance from others at all times.
More coronavirus information, including on current restrictions, is available from the Victorian Department of Health and Human Services website.
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