Extreme Engineering - Season 1 - Eps 1: Tokyo's Sky City
It examines the concept of constructing a giant tower in Japan that wouldn't be a just a building, but a public city in the sky. At the end it talks about what a fire in the building would be like and how the fire department would handle it.
About Extreme Engineering

Title: Extreme Engineering
First Air Date: 2003-04-13
Last Air Date: 2011-07-09
Status: Ended
Rating: 7/10 (from 20 votes)
Language: EN
Seasons: 9
Total Episodes: 77
Network: Discovery
Genres: Documentary
Production Companies: Powderhouse Productions
Synopsis
Extreme Engineering covers major construction projects from all around the world. Some are futuristic projects that may never be done, others are projects that are on there way to completion.