The Rural Fire Service (RFS) will carry out hazard reduction works at Porcupine Lookout on Saturday from 3pm if conditions are favourable.
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The road to the lookout will be closed and the walking trails may be affected for a number of days.
The RFS is discouraging sight-seeing to reduce the risk to visitors and residents.
"It's about reducing fire loading so should a fire start, it will act as an impediment to it actually progressing," Liverpool Range RFS district manager Myles O'Reilly said.
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Mr O'Reilly said the burns were subject to weather conditions, which could prove challenging for the RFS.
The potential impact in reducing the risk [of fire] would be quite significant, but if the conditions aren't right, we have to try again," he said.
"You can do 12-18 months preparation for a small window of opportunity."
If weather conditions are unfavourable on Saturday, the burns will be rescheduled for September 28 at 3pm.
Mr O'Reilly said portable variable messaging signs were in place to alert those on foot and in vehicles, and a letter drop was carried out to inform residents living in the area of the planned burns.
"It is important to understand the bush fire risk of where they live and have a bush fire survival plan," he said.
The RFS said the burns will generate smoke, hot embers and heat so nearby residents should consider closing doors and windows, keeping outdoor furniture under cover, retracting pool covers, removing washing from the clothesline, ensuring pets are in a protected area and reducing outdoor activities if you have an asthma or lung condition.
Mr O'Reilly said residents living near bush land should also consider the types of vegetation they plant, keep gutters clear, remove debris from the property and ensure their hose is long enough to reach around the entire property so fires can be easily extinguished.
"That kind of stuff is pretty key with ember attack," he said.
He said working smoke alarms were also vital because "a great number of preventable fire and preventable deaths actually happen inside the home".
The main road to the reserve will be opened again when the area is considered safe and the RFS will monitor the bushland in the days after the burns.