Here’s a little Dallas infrastructure secret that we missed in our Hidden Dallas edition: the Cole Park Storm Water Detention Vault. It’s an un-sexy name for an un-sexy facility that performs a rather un-sexy function. And yet, there’s something evocative and mysterious about watching this video (below) of a Dallas city worker descending in a steel grid-ed elevator into unknown cavernous depths beneath Uptown. The video follows the man into chambers that were carved out 100 feet beneath Uptown in the early-1990s during the construction of the new Central Expressway.
The statistics on the vault are staggering: the 13 chambers with 40-foot ceilings stretch a length of two football fields with the capacity of holding upwards of 71 million gallons of water. In the instance of massive rainfall, these vast basins collect rainwater that would otherwise overwhelm Central Expressway’s storm drainage system and flood the highway.Full Story