Director of maintenance and alterations Leroy Sisneros points out details on the roof a tunnel near Dickson Plaza.
Director of maintenance and alterations Leroy Sisneros shines his flashlight on a steam leak. Sisneros said he would dispatch a maintenance worker to fix the leaky pipe after discovering it.
Pipes in the underground tunnel system are designed to be seismologically stable, featuring wheels to allow the pipes to slide along each other in the case of an earthquake.
Tunnel maintenance staff write down the installation dates of the light bulbs they use in order to measure the lifetimes of the bulbs as accurately as possible. This bulb, installed on April 11, 2012, had recently burned out.
The underground tunnel system runs beneath Young Research Library, where shelves previously used for holding Dewey Decimal system cards are currently stored.
The underground tunnel system features a number of elevation changes navigated with ramps and ladders.
Director of maintenance and alterations Leroy Sisneros points out the epoxy on the roof of a tunnel below the Sculpture Garden.
The underground tunnel system connects to a room below Macgowan Hall in which a wide variety of theater props are stored.
The storage area below Macgowan Hall is provisioned with several types of props including a large collection of alcohol bottles.
A massive hydraulic elevator roughly the size of the orchestra pit lifts heavy props from the props room below the Freud Playhouse to the stage area.