| Made of lightweight HDPE, with an integral waterstop, these sleeves install easily within the formwork. |
| Inmate laborers were used to build the wood formwork, set 13,270 pounds of reinforcing steel, and place 59.6 cubic yards concrete. |
| Internal vibration is vibrating the concrete from within the formwork, while external vibration is vibrating the formwork from the outside. |
| The contractor is responsible for designing and constructing the formwork and making sure it is safe. |
| The final dome or vault consisted of a composite structure of in-situ concrete and ferro-cement formwork. |
| Wood formwork designed for internal vibration is usually joined by nails between the stud and face sheet and between the stud and the walers. |
