Public Works

The Diamond Pier DP-100 model is an engineered, low impact foundation for use in public projects such as boardwalks, pavilions, overlooks, and bridges.  It is most commonly used in wetland, tidal, sensitive or difficult access sites, and provides significant compression, uplift and lateral load capacity in these typically marginal, saturated soils. 

The 100 pound pre-cast concrete head uses four 42”, 50”, 63” or 84” Pins per pier, and has a 5/8” anchor bolt embedded in the top for attaching post or beam brackets. The pier also comes in a 4-bolt top model allowing for steel plate connections and column leveling. 

The Pin length is based on the pedestrian or vehicle loading of the structure, frost or expansive soil requirements and the strength of the supporting soils.  If necessary, an engineer’s stamp of the pier capacities can be provided for a number of states in the US, when based on soils information from a local licensed geotech. The foundation system is designed to work in uniform or layered sands, silts and clays, but is not intended for deep peats, unconsolidated fill or rocky sites.  Installation is simple, and can be accomplished by general contractors, public works crews or volunteer groups, without special training or vendor supervision.

Contact Pin Foundations direct for all engineering, project support and DP-100 sales.