Column-to-beam connections often have multiple beams framing on top of a column. L, T and cross-column caps provide design solutions for this application.
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Use all specified fasteners; see General Notes
Bolt holes shall be a minimum of 1/32" to a maximum of 1/16" larger than bolt diameter (per 2015 and 2018 NDS 188.8.131.52)
Many combinations of beam and post sizes can be manufactured. Refer to worksheet Options for Multiple-Beam, Bolted Column Caps (T-C-CCLTC-WS).
The download shall be determined from the allowable loads for the unmodified product (see CC/ECC/ECCU column caps). The side beam can take a maximum of 40% of the download and shall not exceed 10,665 lb. The sum of the loads for the side beam(s) and main beam can not exceed the table load.
Uplift loads do not apply for ECCL caps. For CCC and CCT, uplift loads from table apply for main beam only.
The column width in the direction of the main beam width must be the same as the main beam width (W1).
Specify the stirrup height from the top of the cap. The minimum side stirrup heights (H2 or H3) is 6 1/2" (3 1/2" for 44s).
The L dimension may vary depending on the width of the side stirrup (W3 or W4).
Column caps may be ordered without the column straps for field welding to a steel column. Specify CCOC/CCOT/ECCOL. Weld by Designer. Full loads apply.
A CCC66 with W3 = 5 1/2", H2 and H3 = 6 1/2" is a CC66 column cap with 5 1/2" beams on each side with all beam seats flush.
An ECCLR66 with W3 = 3 5/8", H2 = 7 1/2" is an ECC66 end column cap with a 4x beam on the right side (specify direction left or right for stirrup) and stirrup seat 1" below the cap seat.