There is a need for buried plastic non-pressure pipe
for movement of rainwater and sewage.
Key research programs recently initiated involve the utilization of ultra-wide band signals to see through pipe walls, developing and testing high-temperature cured-in-place-pipe (CIPP) resins, developing decision support systems for estimating construction costs and selecting appropriate technologies, the use of polymer sprays for pressure and non-pressure pipe
rehabilitation, developing geopolymer concretes and understanding machine-soil interactions during pipebursting.
ZF 0260 is said to offer more cost-effective stabilization of non-pressure pipe
at lower use levels.
is commonly supplied in Classes 1500, 2400, 3300, 4000, and 5000.
When asked where he thinks trenchless technology is headed, Majdalani had this to say: "The focus in the past has been on the gravity systems (non-pressure pipe
The earliest recorded use of PVC non-pressure pipe
in the United States dates back to 1954 at Howard University in Washington, D.C., where PVC was used for a waste line.
It remains in the product line which now includes pressure and non-pressure pipes
from 18 to 110 inches.