Granite's durability and aesthetics are why the city's parks department approved the material for many elements of a major renaissance project.
The corrugated metal was lined with four-part steel rings, each 18 inches wide, which were then sprayed with high-strength cementitious grout for a smooth, watertight finish.
During pullback, 10-foot joints of CertainTeed CertaFlo GreenLine integral bell PVC sewer pipes were loaded into the receiving pit and connected to the moving pipe string. The shorter pipe joints were beneficial, as they allowed smaller pit sizes and saved money.
The Reno-Stead Wastewater Treatment Plant's 2 mgd aertion basins provide biological treatment to remove organic and total nitrogen loads.