Walking Jack-Up Platform

Namdeb

The Walking Jack-Up Platform Project, built for Namdeb in 2005, is a 17m x 13m walking jack-up platform for shallow water surf mining. The platform includes a primary and secondary mining system and process plant, and is capable of moving at 25 m/h.

The design has a hybrid 200mm jetpump and a 12/10 dredge pump mining system with a peak mining rate of 250 tph.

Key Specifications

350t gross mass

310t during walking operation
350t during mining operation

17m x 13m platform
25 m/h walking speed
2m walking step
Primary & Secondary Mining tools

Primary Hybrid 250mm jetpump + 14/12 gravel pump mining system
Secondary Hybrid 125mm jetpump + 6/6 gravel pump mining system

Primary tool mining rate - 250t/h average, 400t/h peak
Secondary tool mining rate - 50t/h average, 80t/h peak
Fully recoverable primary and secondary mining tool system