3. Dig a hole 35.6 x 35.6 x 61 cm (14 x 14 x 24 in) deep (depth should exceed typical frost level).
Center and level the form over the hole.
4. Install the J-bolts to the template using two nuts below the template and one above.
5. Fill the hole and form with concrete and place the two 46 cm (18-in) leveler pieces on top of
the form. Insert the J-bolts into the concrete, with the bottom of the template resting on
top of the spacers (template should be 10 cm (4 in) above the concrete).
6. After the concrete has cured, remove the template, levelers, and square form.