Table 32 - Typical Number of Roof Legs,a NF8

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Tank diameter D (feet) bPontoon roofNo. of pontoon legsNo. of center legsNo. of legs on double-deck roof30426404475066860971070139138015101690161220100171625110182029120192434130202840140213346150233852160264258170274966180285674190296282200306990210317798220328310723033921152403410112725034109138260361181492703612816228037138173290381481863003815620031039168213320391792263304019024034041202255350422132703604422628537045238300380462523153904726633040048281345a This table should not supersede information based on actual tank data.b If the actual diameter is between the diameters listed, the closest diameter listed should be used. If the actual diameter is midway between the diameters listed, the next larger diameter should be used.

                    
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