Department of Environment and Conservation firefighters are pushing for more pay and better conditions after some of them worked 28 days without a break during the last bushfire season.
The Community and Public Sector Union has described working conditions as unacceptable after revelations many firefighters were at breaking point before last year's Margaret River fires.
CPSU WA branch secretary Toni Walkington has called for the release of an internal report that highlights serious issues within the department.
"We hope the Barnett Government releases this latest internal report so the public can see just how much strain DEC staff members are under because of funding and resources shortfalls," she said.
"Over summer there are people in the department who are constantly at a fire and working in incredible conditions.
"They want a limit on how many consecutive days they work with some working more than 28 days in a row when fires break out - it happens regularly but it wouldn't be accepted at other government agencies.
"Often they do not have 10 hours in between shifts and some are called back in after a break of as little as four hours."
In the leaked DEC report, organisational psychologist Lynda Folan wrote in September last year that DEC firefighters were overworked.
"The department is at breaking point in relation to workload and roster demands - most of the key players are committed to a minimum of three weekends in every four outside of their high volume job requirements," she said.
"Fire season and prescribed burning together create a full year of timetabled roster demands with no real downtime.
"There are too few people doing too much."The DEC is aware of the staffing issues and has said it will boost firefighter numbers this season to 286.
'The West Australian' is a trademark of West Australian Newspapers Limited 2013.
All rights reserved.
Select your state to see news for your area.