Jump To:
May 30, 2024
Great view of the lagging walls
This week's update image shows the detail of lagging walls. (To learn more about lagging walls, read the May 16 posting.)
The excavation and grading of the job site are moving along nicely. Crews are also continuing to install the underground utilities at the site.
Looking ahead, we anticipate the commencement of deep foundation work in June, a significant milestone.
May 16, 2024
Let’s talk about soldier piles and lagging walls
If you have seen the construction site in the last week, you probably have seen the large crane and drills onsite. This equipment will be used to set the soldier piles and lagging walls, basically the shoring structures I referenced in past updates. These shoring structures are designed to limit the horizontal movement of soil during the excavation process. So, what are soldier piles and lagging walls? Soldier piles are usually steel h-shaped beams driven vertically into the ground. These beams are spaced in a straight line about 6 to 10 feet apart, and then horizontal wood or concrete is placed between the soldier piles, called lagging walls. The walls transfer the horizontal pressure to the soldier piles, creating a safe excavation area.
May 8, 2024
New equipment has arrived
The shoring contractor arrived on site Monday. The first few days were spent assembling the crane and getting the materials on location. Next up is the deep foundation and shoring work. As I have said, this part is noisy, and if you work at the Raleigh Municipal Building, you will probably feel some vibrations as they drill, dig, and drive the steel supports into the ground. The good news is that this part will not be as dusty as the demo was.
The back exit reopened to Hargett Street.
The underground utility work that necessitated the temporary closure of the back Exit Only door at the Raleigh Municipal Building has been successfully completed. We are pleased to announce that the protected pedestrian facilities are back in place and the back exit to Hargett Street is now open for your convenience.