Install Manual
Table Of Contents
1. BUILD BASE
GROUND MOUNT INSTALLATION MANUAL - 5© 2021 IRONRIDGE, INC. VERSION 3.1
1. BUILD BASE (CONT.)
A. MOUNT TOP CAPS
Mount a Top Cap on each vertical pier. Wait to tighten set
screws.
➢ If using Diagonal Braces, install them prior to Top Caps.
B. LAY HORIZONTAL BEAMS
Set horizontal beams(Pipe or Mechanical Tubing) in Top
Cap grooves. Attach with 3/8” U-bolts, Flange Nuts, Flat
15 ft-lbs
and align assembly.
Torque Top Cap set screws to 20 ft-lbs for Schedule 40
Grade B Pipe, 11 ft-lbs
Tubing, and 16 ft-lbs for 3.500” x 8 ga Mechanical Tubing.
➢ To join more than one section of horizontal beams, see Page 10.
2. CONNECT SUBSTRUCTURE
A
B
U-Bolt
Set Screws
Schedule 40 Grade B Pipe: 20 ft-lbs
GROUND SCREW FOUNDATIONS
Follow respective Ground Screw Manufacturer’s installation methods for
driving screws into soil. Insert vertical piers into ground screws, ensuring
at least 22” of pier is inserted into ground screw.
Tested and/or Evaluated Ground Screws
2” System 3” System
Manufacturer
Model #
American Ground
Screw Model 3
76mm x 3(+)mm
American Ground
Screw Model 3
Krinner North
America KSF G76
Krinner North
Set Screw Torque
SCHD. 40: 90 ft-lb
Mech. Tubing: 75
ft-lb
Mech. Tubing: 90
ft-lb
➢ A minimum ground screw length of 1300mm must be used
for either ground screw manufacturer. Longer lengths may be
required in areas with high wind and snow loads or risk of freeze-
thaw heaving. Check with your local jurisdiction for frost line
embedment requirements.
➢ Hex Head Set Screw must be M16-2.0 x 40mm hot-dip galvanized
bolts.
Insert pipe at least 22” into
Ground Screw