|
|
Electric Fountain Vault InteriorAll photographs on this page © 2008 by Larry Kerecman. Do not reproduce without permission. 
A rare view inside the Electric Fountain vault soon after it was constructed,
showing the pipes and flanges on the ceiling that will be connected to the water supply piping for
the fountain. The ladder comes down through a submarine-style hatch from the deck of the
fountain vault. The ceiling is 8-feet tall.
The section feeding the center geyser nozzle is
the first to be installed and bolted to the floor.
Sections of the 16" custom-built stainless
steel main manifold being prepared for installation.
The 16" main water distribution manifold is an extension of the pipeline that
runs from the pump room in the maintenance building, under the lake bed and into the north end
of the vault. The light cream colored vertical pipe is the supply line to the center geyser
nozzle, the only feature on the fountain that was hooked up and running during the summer of 2007.
The plumbing from the main distribution manifold in
the vault to the fountain nozzle manifolds on the deck is completed in the summer of 2008.
3", 4" and 6" schedule 80 PVC pipe connects the manifold to the fountain nozzles through
proportional-control valves operated by compressed air.
A large pressure-relief valve diverts water directly to the fountain
deck if no nozzles are turned on. That keeps the water flowing from the pumps to the fountain vault at a
constant rate and prevents water hammer in the pipes.
Looking down the long axis of the vault.
One half of the vault ventilation system. It is
designed to withstand a flood in Ferril Lake.
Heavy-duty surge protection equipment keeps the power in the
fountain vault clean from spikes. The safety interlock control panel communicates information on the
status of valves, fans and the sump pits back to the control room.
High efficiency DC power supplies (above) generate the 24-Volt
power for the LED fountain lighting.
Only one pair of wires is needed to carry the
digital control data from the control room to the fountain vault. The electronics in this
cabinet translate that coded information into individual control signals for the 37 fountain
valves, the two dimmer cabinets for the incandescent lights and the 116 individual
tri-color LED fixtures.
|
