Seawalls with substance - foundations begin with concrete piles set into the ground
Headstocks are laid over the piles
Technical seawall - each block is angled, and keyed to the next. The wall rises from a deep foundation and the design is a response to wave reflection and behaviour at this site.
Driving steel foundation piles for a ramp (old school drop hammer has been replaced with vibro equipment, but the result is the same)
Fitting headstocks over piles
Protective side skirts and pre-stressed concrete deck
Working the tides and installing into the intertidal zone