"30 SGD per month" price for the permit system itself, companies incur costs related to compliance. These include training for Confined Space Safety Assessors, Supervisors, and Workers (which can range from or more per person, depending on the course and subsidies), procurement of specialized safety equipment (gas detectors, ventilation systems, rescue equipment), and regular maintena... https://exigasoftware.com.sg/confined-space-work-permit-system/