8-4. Installation of Bottom Sections
(4) Place wedge gasket (2) under each strip gasket
a. Layout of Sections. With first bottom section in
at the plate overlap.
its approximate installation location, lay remaining
d. Assembling Intermediate Bottom Sections. There
sections around the tank foundation as shown in figure
are 35 intermediate bottom sections assembled with
channels, strip and wedge gaskets.
channels are placed under the right lap seams only,
follow the assembly procedure outlined in c above.
Avoid damage to gasket material by stacking assembled
sections as shown in figure 8-10. Above procedures do
not apply to the last bottom section, since no further
assemblies are made on this section. Separate the last
bottom section from all other sections until it is installed
in the tank bottom.
Figure 8-10. Stacking assembled bottom sections.
Figure 8-11. Layout of assembled bottom sections.