Each Eureka IV robot has approximately 8 arms with a 12-metric-ton payload. The Eureka IV can be reused every 4.4 hours. So, in 24 hours, 5.5 missions can be completed, delivering 5.5 * 12 = 66 metric tonnes per 24 hours. A fleet of 315 Eureka IV robots can deliver 20,790 metric tonnes per 24 hours using 4 vessels, which translates to 6.8 million metric tonnes per year, assuming ~312 production days a year. (Assuming around 53 days a year when a weather hold is in operation.)
