ARMSCOR manages and operates the Naval Dockyard as the SA Navy’s (SAN) third-line maintenance and refitting authority. The Dockyard focuses on maintaining the required capabilities to support the nation’s submarines, ships and shore-based support facilities. It executes activities such as planned preventative maintenance, corrective maintenance, reconstruction and repairs, as well as upgrades to and modernisation of the SA Navy’s vessels (ships and submarines).

It is one of South Africa’s strategic national capabilities, where the country’s naval defence maintenance, repair and overall capabilities are housed.

Dockyard operates one of the five dry docks available in South Africa. It also manages two of the three syncrolifts available nationwide. The facility has capacity to generate seven megawatts of electricity, fresh water and compressed air. It is 228 metres by 29 metres in size. It can be divided into three sub-docks. The ship lift facility has capacity to lift vessels up to 2 500 tonne.