AWWA C906 defines two types of surge pressure, recurring and occasional. The safe peak pressure or allowed total pressure for HDPE pipe is 1.5 times the pipeâs pressure rating for recurring surge and 2.0 times the pipeâs pressure rating for occasional surge.
Yates Center, Kansas. Yates Center is a city in and the county seat of Woodson County, Kansas, United States. As of the 2010 census, the city population was 1,417. Contents.
Homefacts City Report. Hardtner is located in Barber County, KS. The population is 181, making Hardtner the 3rd largest city in Barber County. There are 0 public schools in Hardtner with an average Homefacts rating of NA. The total crime rate for Hardtner is very low, and there are 3 registered sex offenders residing in the city.