Events & Photos 7/30/02, Third Level, Major Pipelines & Conduit
Click the photo above for a closer view (214KB file).
Significant visible progress has been made since the last report. The second floor deck has been poured for sections D and C. Work has already started on the third floor deck for section C. A pour is scheduled for Thursday.
The slabs have been poured for sections A and B. The pan deck is taking shape for the second floor. The sloped floor and stage for the auditorium have appeared.
Storm drains are being installed as the building gets taller. 
The drains are inside the building and will emerge in various places on the roof.
Pictured is a storm drain connecting to the underground storm sewer, and an overflow drain that routes water outside if the storm drain should become overwhelmed in a heavy downpour. The drains are constructed of cast iron pipe. The pipe is hung from the upper deck using clevis hangers. Sections of pipe are joined together
using a "no-hub" coupling.
One of the main streets of the campus, Drive A, will be blocked for the next several weeks. 
Crews are building underground
"duct banks," chill water, and heating lines that will connect the new building with the campus physical plant system.
The duct banks consist of four 5 inch diameter electrical conduits and twelve 4 inch communication conduits. Some of the conduits are for immediate use, and others are for future purposes. Two 15kVA power lines will connect with the new building.
Note in the picture of the duct banks, the conduits are secured under ground with concrete. Red dye is added above the electrical feed lines while the concrete is still wet. The red dye serves as a warning to any future excavation workers that high voltage lines are below.
The chill water and steam lines will connect to 9 air handlers. The air handlers will be located in a
"penthouse" at the top of the building along with a pump for the chill water. Each air handler will measure about 11 feet wide by 17 feet long. The chill water and steam come from the university heating and cooling plant. The new building will complete the chill water
"loop" for the campus.
The chill water enters the building at about 40 degrees Fahrenheit and will usually return at about 60 degrees. The difference in temperature represents the heat that is removed from the building. The steam enters the building between 350 and 400 degrees. Each air handler is built to specification for the new building by Climate Craft of Oklahoma City.
It has been 23 continuous days without a lost time accident. There are currently 77 workers on site today from the following companies:
- Hensel Phelps (pouring columns)
- Brandt Engineering (plumbing)
- Encompass (electrical)
- Westbrook Construction (forms)
- Great Western (steel)
- Addison Harrington (finishing slabs and decks)
