STOPDIGGING! Ground Screw Foundation System
- Valid from
- Information provider
- Ministry of Business, Innovation and Employment
- Information type
- Product Certificate (CodeMark)
The STOPDIGGING! Ground Screw Foundation System is an alternative to piles and foundation walls as defined in NZS 3604:2011, or for use in other foundations by specific engineering design.
The STOPDIGGING! Ground Screw Foundation System comprises ground screws matched to site conditions by static pile testing to determine the screw type, size and depth for installation to achieve the capacity required to meet the design loads.
The STOPDIGGING! Ground Screws are circular hollow sections with a continuously welded helix manufactured from steel that complies with ISO 630 FE360A (High Tensile Steel for Structural Purposes).
The ground screws are coated with a hot-dipped galvanised coating that achieve an average of 125mm zinc cover.
The STOPDIGGING! Ground Screw Foundation System uses the following STOPDIGGING! Products:
- Ground screws: SGU 95 (580 mm to 1600 mm long), SGC 76∅ (865 mm to 3000 mm long) , SGC 89∅ (1200mm to 3000mm long)
- Brackets: SGL 145, SGE 125 and SGE