Caliper Studio:
view from below
Caliper Studio:
TOP MID Landing weld
Caliper Studio:
Top tread detail at header
Caliper Studio:
treads welded on
Caliper Studio:
2nd and 4th runs
Caliper Studio:
column to stringer plate connection
Caliper Studio:
3rd and 4th run installed
Caliper Studio:
3rd run treads mechanically attached