Not in the catalogue - enter it from the section tables. 0 ignores the root fillets (conservative: smaller plastic modulus).
Both beams are the same section; the two end plates are identical.
AISC Shapes Database v16.0.
The bolt rows follow from the configuration.
The bottom of the plate mirrors the top (moment reversal); the bolts below the compression flange carry the vertical shear.
For CJP flange welds enter the reinforcing fillet (it enters lb of the column web checks); 0 = none.