Grain Systems Tanks PNEG-1093 - Manual (Page 18)

5. Foundation
18 PNEG-1093 2.66" Corrugation Unstiffened Bin
Placement of the Fan Pad: Transitions, Fans and Heaters Only
Vane Axial Fan Pad
If a fan or fan and heater combination is to be installed, refer to Figure 5D below, to determine the concrete
pad size.
1. The top of this pad should be level with the top of the bin’s foundation.
2. Recommended pad thickness is 4" minimum.
3. Front of pad should be perpendicular to bin wall.
4. Pad for heater not required, but if it is to be added, pour the pad to cover both locations.
For fans and transitions used in aeration duct system applications, refer to transition and aeration
installation instructions.
Figure 5D Vane Axial Fan Pad
CAUTION
Fan pad and fan must be level and smooth for proper operation. Vibration
problems can result from improper fan leveling.