Thanks Josh, for checking.
I compared this to the bar joist symbols we have available, and those have the total depth of the joist correct. As I understand bar joists, they have standard depths and weights, so the macro could be set up just like it is for all the other steel items it draws. I needed to draw the 10K1 joist, which is the smallest standard size, apparently.
Here's all the standard sizes:
SJI K-SERIES JOISTS:
10″ Deep Steel Joist: 10K1 (NOTE: 8K1 joists no longer listed by SJI)
12″ Deep Steel Joist: 12K1, 12K3, 12K5
14″ Deep Steel Joist: 14K1, 14K3, 14K4, 14K6
16″ Deep Steel Joist: 16K2, 16K3, 16K4, 16K5, 16K6, 16K7, 16K9
18″ Deep Steel Joist: 18K3, 18K4, 18K5, 18K6, 18K7, 18K9, 18K10
20″ Deep Steel Joist: 20K3, 20K4, 20K5, 20K6, 20K7, 20K9, 20K10
22″ Deep Steel Joist: 22K4, 22K5, 22K6, 22K7, 22K9, 22K10, 22K11
24″ Deep Steel Joist: 24K4, 24K5, 24K6, 24K7, 24K8, 24K9, 24K10, 24K12
26″ Deep Steel Joist: 26K5, 26K6, 26K7, 26K8, 26K9, 26K10, 26K12
28″ Deep Steel Joist: 28K6, 28K7, 28K8, 28K9, 28K10, 28K12
30″ Deep Steel Joist: 30K7, 30K8, 30K9, 30K10, 30K11, 30K12
SJI KCS-SERIES JOISTS:
10″ Deep Steel Joist: 10KCS1, 10KCS2, 10KCS3
12″ Deep Steel Joist: 12KCS1, 12KCS2, 12KCS3
14″ Deep Steel Joist: 14KCS1, 14KCS2, 14KCS3
16″ Deep Steel Joist: 16KCS2, 16KCS3, 16KCS4, 16KCS5
18″ Deep Steel Joist: 18KCS2, 18KCS3, 18KCS4, 18KCS5
20″ Deep Steel Joist: 20KCS2, 20KCS3, 20KCS4, 20KCS5
22″ Deep Steel Joist: 22KCS2, 22KCS3, 22KCS4, 22KCS5
24″ Deep Steel Joist: 24KCS2, 24KCS3, 24KCS4, 24KCS5
26″ Deep Steel Joist: 26KCS2, 26KCS3, 26KCS4, 26KCS5
28″ Deep Steel Joist: 28KCS2, 28KCS3, 28KCS4, 28KCS5
30″ Deep Steel Joist: 30KCS3, 30KCS4, 30KCS5
SJI LH-SERIES JOISTS:
18″ Deep Steel Joist: 18LH02, 18LH03, 18LH04, 18LH05, 18LH06, 18LH07, 18LH08, 18LH09
20″ Deep Steel Joist: 20LH02, 20LH03, 20LH04, 20LH05, 20LH06, 20LH07, 20LH08, 20LH09, 20LH10
24″ Deep Steel Joist: 24LH03, 24LH04, 24LH05, 24LH06, 24LH07, 24LH08, 24LH09, 24LH10, 24LH11
28″ Deep Steel Joist: 28LH05, 28LH06, 28LH07, 28LH08, 28LH09, 28LH10, 28LH11, 28LH12, 28LH13
32″ Deep Steel Joist: 32LH06, 32LH07, 32LH08, 32LH09, 32LH10, 32LH11, 32LH12, 32LH13, 32LH14, 32LH15
36″ Deep Steel Joist: 36LH07, 36LH08, 36LH09, 36LH10, 36LH11, 36LH12, 36LH13, 36LH14, 36LH15
40″ Deep Steel Joist: 40LH08, 40LH09, 40LH10, 40LH11, 40LH12, 40LH13, 40LH14, 40LH15, 40LH16
44″ Deep Steel Joist: 44LH09, 44LH10, 44LH11, 44LH12, 44LH13, 44LH14, 44LH15, 44LH16, 44LH17
48″ Deep Steel Joist: 48LH10, 48LH11, 48LH12, 48LH13, 48LH14, 48LH15, 48LH16, 48LH17
SJI DLH-SERIES JOISTS:
52″ Deep Steel Joist: 52DLH10, 52DLH11, 52DLH12, 52DLH13, 52DLH14, 52DLH15, 52DLH16, 52DLH17
56″ Deep Steel Joist: 56DLH11, 56DLH12, 56DLH13, 56DLH14, 56DLH15, 56DLH16, 56DLH17
60″ Deep Steel Joist: 60DLH12, 60DLH13, 60DLH14, 60DLH15, 60DLH16, 60DLH17, 60DLH18
64″ Deep Steel Joist: 64DLH12, 64DLH13, 64DLH14, 64DLH15, 64DLH16, 64DLH17, 64DLH18
68″ Deep Steel Joist: 68DLH13, 68DLH14, 68DLH15, 68DLH16, 68DLH17, 68DLH18, 68DLH19
72″ Deep Steel Joist: 72DLH14, 72DLH15, 72DLH16, 72DLH17, 72DLH18, 72DLH19