Teck determines budget and programs well in advance to upcoming seasons.

Teck had already determined this before 2022 year-end. 
Also they give hints to plans and budgets in Q4 report. They increased their budget in their copper growth division.....

copper growth expenses in 2023 is 250 million from 217 million in 2022.

This 250 includes all growth copper assets-

4. Copper growth capital guidance for 2023 includes studies for HVC 2040, Zafranal, San Nicolas, NewRange (formerly Mesaba

and NorthMet), Quebrada Blanca Mill Expansion (QBME), Galore Creek, Schaft Creek and NuevaUnión.

Also this for 2023 plans-

"At Galore Creek, the prefeasibility study is targeted for the second half of 2023. Strategic, technical and commercial assessments, including focused field programs, permitting and community engagement work, for the advancement of Mesaba, Schaft Creek and NuevaUnión are ongoing"