40 CFR Table 24 to Subpart G of Part 63
Typical Number of Columns as a Function of Tank Diameter for Internal Floating Roof Tanks With Column Supported Fixed Roofs
June 9, 2020
Open Table
Tank diameter range (D in feet) | Typical number of columns, (NC) |
---|---|
0 <D ≤85 | 1 |
85 <D ≤100 | 6 |
100 <D ≤120 | 7 |
120 <D ≤135 | 8 |
135 <D ≤150 | 9 |
150 <D ≤170 | 16 |
170 <D ≤190 | 19 |
190 <D ≤220 | 22 |
220 <D ≤235 | 31 |
235 <D ≤270 | 37 |
270 <D ≤275 | 43 |
275 <D ≤290 | 49 |
290 <D ≤330 | 61 |
330 <D ≤360 | 71 |
360 <D ≤400 | 81 |
aData in this table should not supersede information on actual tanks.