PRODUCTS USED
- 41,000’ (12,497 m) of 12”-48” (300-1200 mm) N-12® Dual Wall HDPE Pipe
When the contractor realized HDPE could be delivered on time, the project flipped to plastic pipe.
41,000 feet (12,497 m) of N-12 watertight pipe, which meets AASHTO M294, was chosen for the project, which is the third busiest South Carolina interchange.
N-12 was the perfect choice for the project because it has a long projected life and could be delivered on a just-in-time basis to the design-build project. The staging area was within the footprint of the old interchange so pipe storage was at a minimum on the project’s site.
The light weight of N-12 pipe also allowed it to be installed about twice as fast as RCP could have been installed, which lowered the total installed cost of the stormwater system.
