(b) Secure each clip to rafter landing ring (2) with
two 1/2 by 1-inch bolts (3) and nuts (4).
Do not use a washer on any bolt in the chime.
(c) Cut one 6-inch length of strip gasket for each
rafter hanger. At each hanger (8, fig. 6-11) push chime
(c) Place a steel recessed washer, cupped side
bolts (5, fig. 6-14) clear of the hanger, and insert strip
down, on each lap seam bolt. Install a nut loosely on
gasket between hanger and deck plate at chime bolt
holes. Push chime bolts through the hanger, gasket,
(3) Last Deck Plate. The last deck plate to be
deck plate, and gasket (6).
installed is not assembled with a rafter.
(d) Install nuts on chime bolts (5) of installed plate
(1) except bolts which pass through the rafter
If last deck plate will not aline with plates
hanger. Do not tighten the nuts.
already installed, it may be necessary to
(e) Remove loose nuts (para 6-14c (4)) installed
adjust the center support for final closure of
temporarily on bolts (7) to hold plate (1) to rafter (8)
(a) Connect rope hooks to last plate and lift it
(2) Intermediate Deck Plates.
The next 18
into position above first plate and lift it into position
(intermediate) deck plates to be installed are assembled
above first plate and last intermediate plate. Aline bolt
with a rafter under the right lap seam. They are installed
holes in last plate with bolts and lower plate over the
to the right of the first plate. Installation procedures are
identical for all intermediate deck plates.
(b) Follow instructions in (1) (d) and (2) (c)
(a) Connect rope hooks to the plate and lift it into
position so that bolt holes in left side are alined with the
(c) Remove gin pole from tank center column.
bolts (7) in right side of the previously installed plate.
b. Dressing Inner End of Deck Plates.
Lower the plate over the bolts.
(b) Follow instructions in (1) (b) through (e) above.
(1) Install strip gasket (1, fig. 6-15) to cover all
boltholes at inner ends of the plates (2, 3, and 4). If
there is a break in the gasket, overlap the gasket two
bolt holes. Apply sealing compound at each end of the