Grain Systems Bin Accessories PNEG-318 - Manual (Page 11)

2. General Foundation Requirements for GSI Bins
PNEG-318 Concrete Foundation Recommendations for GSI Grain Bins 11
Vane Axial Fan Pad
Placement of the Fan Pad: Transitions/Fans/Heaters Only.
If a fan or fan and heater will be installed, refer to Figure 2D 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 added, pour the pad to cover both locations.
For fans and transitions used in aeration duct system applications, refer the transition and aeration
installation instructions.
IMPORTANT: Fan pad and fan must be level and smooth for proper operation. Vibration problems can
result from improper fan leveling.
Figure 2D
TR-4734
A = 20" for fans without heaters
A = 44" for fans with heaters
TR-6918 and TR-6919
A = 32" for fans without heaters
A = 56" for fans with heaters
TR-7048
A = 45" for fans without heaters
A = 69" for fans with heaters