Reinforcing tie laps for frame columns and girders require specific lap lengths of one foot eight inches for number four bars, two feet two inches for number five bars, and two feet seven inches for number six bars. Standard ninety-degree hooks feature an extension of twelve times the bar diameter. Standard one-eighty-degree hooks feature an extension of four times the bar diameter or two and one-half inches minimum.
90° HOOK 180° HOOK TIE LAP AT FRAME COL. AND GIRDERS 1 6 1'-8" FOR #4 2'-2" FOR #5 2'-7" FOR #6 d . 4d OR 2 1/2" MIN 12d D D
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership