Plan designations define the centerline of penetrations with height, length, and diameter dimensions located below the top of steel per note 4. The rectangular penetration measures one foot four inches by four feet two inches at one foot eight inches spacing. The circular penetration measures ten inches in diameter at eight inches spacing.
P P 1'-4"x4'-2" @ 1'-8" 10" DIA @ 8" HEIGHT (H) LENGTH (L) CL OF PEN, LOC BELOW TOS, SEE NOTE 4 DIAMETER (ø) CL OF PEN, LOC BELOW TOS, SEE NOTE 4 CL PEN A A
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