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Page 5For technical questions, please call 1-800-444-3353.Item 47712
Concrete Anchor Foundation
1. This foundation will be assembled out of
4 x 4 treated lumber, hardware, and prefabricated
concrete anchors (none provided).
2. Assemble the 4 x 4 pieces in the
dimensions shown in the diagram below.
The wood will need to be trimmed to fit.
Make certain that the assembly is square and level.
The diagonal dimensions, from outside corner
to outside corner, should be 123
3
/
4
″ each.
3. Securely assemble the frame together
using proper hardware.
75”
Concrete Anchor
Locations
98
1
/
2
”
4”
Figure A: Wood Frame Dimensions
4. Dig a hole for each of the concrete anchors in
the positions shown. The hole should be slightly
oversized and should be deep enough so that the
frame will rest almost on the ground when installed.
5. Carefully place the anchors in the holes,
and place the frame on the anchors.
Use a level on the frame to make sure that
the anchors are sunk to the proper depth.
If any anchors need to be raised, partially fill the
hole under the anchor with sand or gravel.
6. Once the frame is level, secure it to the anchors.
Fill up the holes the rest of the way with
the earth you removed previously.
7. Optional: For convenience you may fill the
frame at this point with a proper fill material,
such as gravel (not included).
8. There are four Floor Plates to position on
the foundation; the Front Floor Plate (17),
the Rear Floor Plate (16), and
two Side Floor Plates (34).
(See Figure G on page 8.)
9. Match the length of each of the
four Floor Plates (16, 17, 34) with the appropriate
length of each edge of the base.
Place the Front Floor Plate (17) on
the side that the door will face.
NOTE: Position the four Floor Plates (16, 17, 34)
with their outer edges overhanging the outer edges
of the frame, as shown below. Do not secure
the Floor Plates to the Frame at this time.
Figure B: Concrete Anchor Foundation - Cross Section
SAFETYFRAMEMAINTENANCE FOUNDATION