Workers downed tools and took to the streets on Tuesday after wage negotiations deadlocked.
Wage negotiations between unions and the South African Local Government Association started in March.
The workers union gave Prasa an ultimatum last month to increase salaries of employees by 5% or face the repercussions.
Negotiations usually get underway during the winter season and are mostly followed by strike action.
Unions are asking for double-digit increases of between 10 and 12% for employees on levels 4 to 12 in a single-year agreement.
Workers are demanding a 15% wage increase across the board, while the employer is offering only 5.3%.
The PSA’s Ivan Fredericks says they’ve joined Fedusa because it is non-partisan.
Nehawu and Unisa had been in wage talks since last year, with the union demanding a 14% increase while the university offered 6%.
The union asked for more time to consider a 7 percent wage increase.
Public sector unions say the state is relying on clauses in a 2012 agreement which has expired.
Unions and employers in the clothing manufacturing industry have struck a deal.
Clanwilliam farmers are the first to budge by offering labourers an increase of R105 to R110.
Country Fair Chicken Factory workers are not backing down from their demands of better salaries.
Police said another man was shot and wounded at gathering by striking miners in the North West.
The details of a wage agreement between unions and Samancor have not be announced.
Satawu and trucking bosses are still locked in talks to end a nationwide strike.
Some factory workers have voted in favour of a nationwide strike, says Sactwu.
Minister Lindiwe Sisulu is concerned by government’s high wage bill for public sector workers.
