Dressing the Top Chime cont'd

TM 5-5430-209-12

c. Insert -by 1 V4-inch bolts (4) through chime and

strip gasket (2) in that order. Leave two bolt holes open

at the middle of each stave.

d. As second ring staves are erected, the bottom

chimes overlap at points of missing bolts. Insert bolts

(4) through bolt holes as each stave is overlapped.

8-13. Gin Pole

Erection of second and third ring staves require the

assembly of gin pole components, with foot spike,

provided in the storage tank erection outfit.

8-14. Assembly and Installation of Second and Third

Ring Staves

a. General. There are 37 plain staves (1, fig. 8-30)

in both the second and third rings. These staves are

slightly shorter and are made of lighter gage metal than

the first ring staves. They have two rows of bolt holes in

each seam.

b. Assembling Staves. Refer to paragraph 8-9 and

assemble the staves.

c. Dressing of Staves.

(1) Strip gasket, channels, and bolts placed along

the right seam are installed as described in paragraph 8-

9 d.

(2) Position second ring staves (1, fig.

against the first ring so that each stave straddles a

vertical seam.

d. Installing First Stave in Second Ring.

(1) Install the staves with radii gaskets (1, fig. 8-26)

and (1, fig. 8-27) in a counterclockwise direction as

(2) Remove a bolt in bottom chime of first ring

stave near a vertical seam fitted with scaffold bracket

1. GIN POLE

2. FIRST STAVE OF

SECOND RING

3. SCAFFOLD BRACKET

4. BLOCK AND TACKLE

5. ROPE DECK HOOK

6. GUY LINE

ME 5430-209-12-8-32

Figure 8-32. Hoisting first stave of second ring.

8-18