The firm was sentenced on one charge under the Health and Safety in Employment Act 1992 in the Timaru District Court today.
WorkSafe construction programme manager Marcus Nalter said working from height was a well-known risk in the construction industry and it must be managed appropriately at all times.
"People working in high risk industries such as construction should be able to trust that the employer has their workers' safety at the front of their mind.
"Rickie Shore Building should have ensured that the fitting of the flooring system was being done correctly and appropriate controls were in place to prevent a fall from height, such as providing a safe working platform."