3. Construct the concrete form shown in
(p. 11) out of 2 x 4 nominal lumber 61 cm
(24 in) square (inside dimensions). Construct the template frame out of 1 x 2 nominal
lumber and set it aside. Center the form over the hole and drive a stake at both ends of
each 1.1 m (42 in) piece of the form. Level the form by driving nails through the stakes and
into the form while holding the form level.
FIGURE 7-3. Positioning the J-bolt in concrete
UT6 and UT10 Universal Towers
11