Figure 7-1. Second-ring staves dressed and ready for
(2) Remove a bolt from the bottom chime
near each vertical seam which has a scaffold bracket (1,
fig. 3-17). These holes are for installation of the gin
pole foot spike.
(3) Remove gin pole components from
storage tank erection outfit. Assemble gin pole with a
Figure 7-2. Hoisting second-ring stave.
(4) Raise gin pole (1, fig. 7-2). As the pole is
being raised, attach headblock (2) to the headblock eye.
Push foot spike through an open bolthole in the chime.
With the pole in raised position, lash it to a scaffold
bracket (1, fig. 3-17).