PROJECT
Matthew Henson
Hiker-Bker Trail
Montgomery County, MD.
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PRODUCT:
A.B. Chance Type RS2875.203 Series
2.875 in. diameter round shaft
Schedule 40 pipe

DESCRIPTION:
Over 400 piles needed to support the 4.4 mile trail through wooded areas and streams. Chance Helical 2-7/8 in. diameter round shaft product, with a single 10-in. helix lead section was chosen. Superior compressive load capability & lateral capacity support to boardwalk sections constructed well above grade.

ADVANTAGES:
No Soil Excavation
Minimal impact on vegetation
Easy installtion in limited access areas.
Integrity guaranteed in seasonal changes
System works in both compression & tension

A. B. Chance Helical® System for Environmentally Sensitive Areas:
Minimize contstruction in sensitive areas by using the A.B.Chance Helical Foundation system for Boardwalks and Docks. Fragile areas like wetlands, marshes, beach fronts, lakes and historical sites are easily upgraded to enjoy the surrounding nature while providing an excellent environmentally sound solution where construction impact would be devistating.

The A. B. Chance Helical System has been used for more than 150 years and in those years has been developed to improve the advantages of an economical solution to sensitive soils and difficult terrain.

• No soil excavation
• Minimal impact on vegetation
• Install for limited access areas
• Isolated structure integrity for seasonal changes
• Allows for shaft extensions to reach sound footings
• Minimum soil disturbance with maximum compression capacity

• Download PDF: Boardwalk Applications