Stretch: Minera Pircahue: where should a copper mine get its water?
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The prompt
Minera Pircahue runs a copper mine in the Atacama Desert in northern Chile. It must cut its use of local groundwater by half within three years. Should it cut production, build its own desalination plant, or buy desalinated water?
Difficulty: Stretch. Format: candidate-led, with interviewer dialogue. Industry: Mining. Region: Chile. Interview length: about 40 minutes. The company is fictional and all figures are illustrative. Chilean mining companies usually report in US dollars, so all figures here are in USD.
Practice with a partner
1. Send the interviewer link to a friend. They read the case aloud and hold the answers.
2. You open the candidate view: you see only the prompt, a timer and a notes box.
3. Speak the case out loud. Your partner shares data when you ask, then scores you with the rubric.
Interviewer view
For the person running the case
Candidate view
For the person answering the case
My notes on this case
0 of 5,000 characters. Saves automatically.