Here is the proposed layout. Besides the giraffes, it does seem like the building will serve as indoor housing for the planned African Rainforest exhibit which will retain the existing gorilla exhibit and demolish the Tropical Forest Building. The plans specifically mention Okapi, Pygmy Hippo, & Red River Hog.
The outdoor giraffe yard will be the same as it is now largely. This leaves little options for an elephant exhibit unless they want to create a 2 acre max complex which won’t be great for elephant breeding. The way elephants have been left out of the master plan so far makes me question the future of elephants at the main zoo site.
Maybe the zoo could open up regular tours of the elephants at the satellite site, with other species such as cheetah and bison being shown.
https://www.pittsburghpa.gov/files/...6-04_pgh_zoo_giraffe_barn_pacd_submission.pdf