Underground Tour participants (please read below)
If you are a foreign national, you will be required to show your passport before going underground and complete a SURF Access Request Form.
Anyone entering the underground must be 18 years or older, must complete safety training, and sign an Acknowledgement of Risk and Release, Agreement Not to Sue and Waiver.
Temperatures are in the low- to mid-70s on the 4,850-foot level.
SURF will provide personal protective equipment (coveralls, hardhats, cap lamps, safety glasses, etc.). For safety purposes, we require tour guests to wear clothing that is appropriate at a construction site: full-length pants or jeans, shirt with sleeves (at least ¼ length) and sturdy, closed-toe shoes, and socks. Restrooms are available underground. Cameras are welcome.
Your underground visit may require walking up to one mile, sometimes over uneven ground. All those who are going underground must be able to perform the following activities:
Don and wear the required PPE.
Don and use a self-rescuer.
Walk in both warm/hot and humid conditions.
Walk across uneven or slippery surfaces for distances in excess of one mile.
Tolerate standing in very close proximity to others while riding in the personnel cage.
Tolerate changes in elevation.
Recognize and respond to emergency signals and signs (visual, auditory, and olfactory).
Travel to egress points unassisted, and under their own power.
Ascend and descend three flights of stairs.