Are you saying that Comm, Ind and Exp buildings get trait-based discounts in this Scenario?!?Some of the city improvements have changed significantly:
Codex (replacement for Library) is 100s (50 for scientific nations)
Temple 20s (so only 10 for religious nations!)
Courthouse 180s (90 for religious or expansionist)
Stela 60s (30 for religious or commercial)
Sacrificial Altar 40s (20 for religious or militaristic)
Ball Court 150s (75 for industrious or commercial)
Tambo 140s (70 for commercial or expansionist)
Fishing Dock (Harbor) 250s! (but only 125 for militaristic or commercial)
Marketplace 200s (100 for commercial) and requires a Tambo. The Marketplace also increases production by 25%, even though this is nowhere documented...
Aqueduct is unchanged compared to the base game
Hospital 300s (but only 150 for militaristic)
Because they don't in the base game, and I was under the (mistaken?) impression that was hardcoded in the .exe. But if there's some way of modding that in the .biq I'd be very happy...