Base Preparation Guide
You can use the information below as a guidance to plan for your pad preparation.
Preferred Base Material
- Fine Crusher Dust
- Screened Sand (do NOT use recycled sand as it may contain contaminants)
- Screened Sand is NOT suitable for RT-310 and RT-365
Compaction
Minimum of 120kPa
Levelling
The Pad must be LEVEL to +/- 10mm
Site Access
- Please ensure adequate access to the site for a small
truck or 4WD and trailer, bearing in mind soil and
weather conditions.
- Vehicle access is to be available to within 10 metres
of site.
Reference Table
| MODEL |
MINIMUM PAD DIAMETER |
MINIMUM PAD THICKNESS REQUIRED | m3 OF SAND/CRUSHER DUST REQUIRED | m 3 BLUE METAL (20mm) EXCLUSION ZONE REQUIRED AROUND TANK BASE |
|---|---|---|---|---|
| RT-25 | 5.5m | 150mm | 3.5m 3 | 0.8m 3 |
| RT-40 | 6.5m | 150mm | 4.5m 3 | 0.8m 3 |
| RT-60 | 7.5m | 150mm | 6.0m 3 | 1.0m 3 |
| RT-80 | 8.5m | 150mm | 8.0m 3 | 1.0m 3 |
| RT-100 | 9.5m | 150mm | 10.0m 3 | 1.2m 3 |
| RT-130 | 10.5m | 150mm | 13.0m 3 | 1.2m 3 |
| RT-160 | 11.5m | 150mm | 16.0m 3 | 1.6m 3 |
| RT-200 | 12.5m | 150mm | 19.0m 3 | 1.6m 3 |
| RT-230 | 13.5m | 150mm | 22.0m 3 | 2.0m 3 |
| RT-275 | 14.5m | 150mm | 25.0m 3 | 2.1m 3 |
| RT-310 | 14.0m | 250mm |
27.0m3 Do NOT use sand |
2.0m 3 |
| RT-365 | 15.0m | 250mm |
47.0m3 Do NOT use sand |
2.1m 3 |