Installation Equipment - Underwater
Light
Our range of stealth anchors up to the S8 can be installed underwater using simple hand tools.
The S2, S4 and S6 variants need only Drive Rod, Platihook (PH1) and as an option our (RR1) Rod Removers. ASledge Hammer or Post Rammer can be provided or sourced locally. The S8 and S10 require Drive Rods, Manual Stressing Jack (SJ1), Rod Removers (RR1) or perhaps RR2 should be considered.
The Manual Stressing Jack will provide up to 10kN uplift to load lock and proof test the anchors. For multiple installations the use of hydraulic underwater tools is advised due to fatigue issues at depth.
Medium
The installation of larger stealth S8, S10 anchors and B4, B6, B8 Bat anchors require the use of hydraulic equipment and multi-piece drive rods.
Over many years we have developed a range of bespoke equipment to provide installation contractors well engineered, high quality, practical tools designed for sustained use in a commercial marine/underwater environment.
Heavy
The B8, B10 and B12 Bat anchors should be considered as options for poor ground conditions (soft clays) as the installation of these using a hand held breaker in sandy soils may prove difficult and trials may be necessary.
Dependent on the depth of the installation it may be possible to install the anchors from work boat platforms with dry side hammers mounted on suitable excavator arms. The anchors can then be loaded using the work boat crane or if the surface below is suitable one of our hydraulic jacks with a hydraulic source topside.
Both the SJ2M and SK3M (Stressing Jacks) are marinized and come complete with load indicators. The two power sources we offer are light and portable for small work boats and designed to provide full working pressures and flow rates with hoses up to 40m long. This helps maintain full energy at the hammer making installation time improvements with no drop off in efficiency due to hose length.
All the equipment has double seals (where necessary) to stop the ingress of saltwater for installation depths up to 15m. Hydraulic rams and couplers are all in stainless steel to avoid corrosion issues and serviceability. All the tools are designed for biodegradable oils.
IMPORTANT NOTES - The anchors are only as good as the soil and depth they are placed. Additionally if the anchors are not load locked into their working position it is highly likely they will fail. Dependent on the size of anchor and its intended application the liability of the risk increases. It is highly recommended that only qualified installation teams use our installation equipment and all anchors should be individually load locked and proof tested.
Furthermore the dive teams should label each anchor point and provide a log to the client detailing the loads achieved / set and warrant / guarantee the installation. This will raise the standard of the solution, provide confidence and ensure the quality of every installation.
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