N-12 has built an impressive service record in storm water and other drainage applications where hydraulics are important and durability is critical. The pipe is offered in diameters from 4 through 36, in 20 ft. lengths. The natural toughness of HDPE is enhanced by the corrugated exterior which increases the structural strength of N-12 pipe. It is designed for use under both H20 and E80 live loads, or with fill heights of 50 feet or more.
Yellow Spring, West Virginia. Yellow Spring is an unincorporated community in Hampshire County in the U.S. state of West Virginia. According to the 2000 census, the Yellow Spring community has a population of 296. Yellow Spring is named after the Yellow Spring located there on the Cacapon River.
Silver Spring, MD. Sponsored Topics. Silver Spring is an unincorporated area and census-designated place (CDP) in Montgomery County, Maryland, United States. It had a population of 71,452 at the 2010 census, making it the fourth most populous place in Maryland, after Baltimore, Columbia, and Germantown.