●Ground strength inspection
The Swedish sounding test (JIS A 1221: 2013) is used to confirm the strength of the ground where the installation is planned.
●Performance check
Installers can check the performance at the installation location using the designated small testing machine “Techno Tester DT-50TCL”. Installers can easily perform a design load confirmation test in advance to verify the quality for formal installation.
●Construction technology examination certificate
The direct earth method has obtained a construction technology examination certificate (examination organization, Better Living: BL examination certificate-014).
After the installation of the D-Earth screw, the mount and temporary construction materials can be installed immediately.
【Removing concrete foundation】
D-Earth Screw specification
Open chart in PDF
Unit:mm | |||||||||
---|---|---|---|---|---|---|---|---|---|
Item no. | Pipe part | Spiral part | Flange part | Distinguishing color | |||||
L | t | D | Ls | Ds | P | Df | tf | ||
DES-R76x1300-M24 | 1,300 | 3.6 | 76 | 1,000 | 96 | 60 | 180 | 10 | Blue |
DES-R76x1600-M24 | 1,600 | 3.75 | 76 | 1,200 | 96 | 60 | 180 | 10 | Black |