Ropes addon - Half-Life

One of Gordy's alternate adventures finds him in the company of a small group of scientists and a few barneys holed up in a cement bunker deep within the bowels of Black Mesa. It is shortly after the resonance cascade and as all hell breaks loose around them, they seal off the few exits, determined to work on solving the mess they've gotten into. Knowing full well of the military's intentions they're content to wait it out down here, their only immediate concern is keeping an adequate power supply. As luck would have it an old powergrid is linked to a geothermal generator in this sector of the complex - It's up to you to find it and get it going again. All that is known about the generator itself is that two slave computers have an autolock on the main steam feed valve. Good luck, God's Speed...