Here are a couple of pictures of the storm water management system. These corrugated steel pipes are 170' long and are 8' in diameter. We had to dig quite a hole! These pipes tie into a couple of drywells that go 120' into the earth. All the roof drains and landscape drains flow into this system. We've spent a lot of time getting all the underground systems in place. People don't usually realize how much work is done before starting the actual building.
Here is the drill rig that dug our drywells. They are lined with a concrete sleeve, as you can see in the picture on the right. They then fill the shaft with rock that will allow the water to dissipate easily. You can't see it well in the picture, but the concrete sleeves are perferated to water can escape them. The rock and sleeves give the well strength so cars and trucks can drive over them without collapsing in.
This is one of the stairway towers. The building is all steel, but the stair towers and elevator shafts are concrete. We will pour these shafts about 75 feet high. When they are finished the steel subcontractors will erect the building and tie their steel to these shafts. As you can see, we have only poured a 4' pony wall, but in about 5 weeks all three towers will be 5 stories high and our steel guys will be ready to go. Then the project will really get moving!
That's about all I have for now. I will post some more pictures every now and then so you can see how things are going.
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