Category Archive: Commercial

Repairs to Poole Lifting Bridge

Earlier this month CSD were called in to conduct some repairs in the scheduled maintenance programme to the main lifting bridge in Poole Harbour. The team were called upon to carry out a… Continue reading

Portland Sonar Live Diver Trials

Last month, Commercial and Specialised Diving were at Portland Harbour to assist Sonardyne in their Live Diver Detection Surveys. Sonardyne are experts in acoustic positioning, inertial navigation, subsea communications and sonar imaging.

Cofferdam Burning in Portland Harbour

Underwater burning requires experienced operators to utilise oxy-arc cutting equipment which cuts steel by creating an arc between the metal to be cut and the electrode, with temperatures reaching in excess of 2000°C.

Welding Sacrificial Anodes to Sheet Piling, Poole Quay

This month, Commercial and Specialised Diving Ltd have been replacing galvanic anodes to a sheet pile wall in Poole Quay.

Sluice Stoplog Removal

Due to the inherent risks associated with working on sluice gates, namely differential pressures either side of the structure, an experienced dive team headed up by an ADC Diving Supervisor is required. It was for this reason that Commercial & Specialised Diving were called in to conduct the works.

Searching the Seas for Suberites

Commercial and Specialised Diving have been carrying out marine biological surveys for a number of years and were asked to assess the distribution and abundance of the marine sponge Suberites massa

Gundry Weir Fish Pass – Bridport

This month CSD were commissioned to undertake burning works to remove some sheet piling at Gundry Weir fish pass. The sheet piling (that is used to construct a cofferdam allowing for dry works… Continue reading

Housing Development Canal Wall Survey

With the housing market being one of the hardest hit sectors in the UK since 2008 the government has been pushing to increase construction of new homes over the last few years. This includes… Continue reading

Sunken Boat Recovery in Poole Harbour Marina

Home to the Old Lifeboat Museum, which acted as Poole Harbours lifeboat station between 1882 and 1974 when it was converted into a museum, Fishermans Dock has been a centre of activity in the… Continue reading

Swanage Pier Pile Removal

Since the construction of the first pier at Swanage Bay, Dorset, in 1859 there have been numerous transformations giving rise to the pier as it stands today. The first pier was originally built to provide… Continue reading