Grain Systems Tanks PNEG-1094 - Manual (Page 18)

5. Foundations
18 PNEG-1094 Farm Grain Bin - 4" Corrugation
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 is not required. If it is to be added, pour the pad to cover the locations of both the heater
and the fan.
For fans and transitions used in aeration duct system applications, refer to the transition and aeration
installation instructions.
Figure 5D Vane Axial Fan Pad
CAUTION
Fan pad and fan must be level and smooth for proper operation. Improper
leveling can cause vibration problems.