chief Philippa Childs said at their conference in Brighton: "The public deserve better, not a reduction in democratic access to a public service broadcaster."
A spokesman for ATG said: "Edinburgh Playhouse generally pays its staff rates of pay that are above Bectu
negotiated levels and has done so for many years."
successfully turned the spotlight on low pay at the BBC as the Corporation defended pay deals with its highest paid on-screen talent.
A BBC Scotland spokesman said: 'BECTU
, who we have a very good working relationship with, have raised a number of issues with us on behalf of members who work on River City.
claims the BBC has said the move is necessary to "even out" production between London and Birmingham.
The dispute centres on Bectu
's claim for a PS300 daily rate for "grips", a specialist grade in camera departments, affecting big budget drama output produced by the BBC, ITV and the independent sector.
Gerry Morrissey, general secretary of Bectu
, said: "Our members are suffering because the BBC thinks it can deliver the same levels of output with many fewer staff.
The NUJ vote was 61 per cent in favour of stoppages and almost 80 per cent for action short of a strike, while backing among Bectu
members was 56 per cent and 81 per cent.
general secretary Gerry Morrissey said, "We would prefer to have a sensible conversation with BBC management about the damage done in the first year of these cuts, but instead we've had to turn up the pressure to protect thousands of members from over-work, bullying and stress.
assistant general secretary Luke Crawley said: "There is no doubt in my mind that this outcome has only been achieved because of the readiness of union members to stand together and show their collective strength in support of a valued colleague.
Ms Williams, a producer with 20 years experience, is the long standing chair of the Bectu
branch involved in negotiations with management.
national officer Tom Bell could not be contacted after the meeting, but Higgins said: "We had a general discussion about the company's position and they've gone away to think about it.