Transcription of Washington, D.C. September 2000 Wastewater Technology …
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Washington, D.C. September 2000 Wastewater Technology …
United StatesEnvironmental ProtectionAgencyOffice of WaterWashington, 832-F-00-068 September 2000 WastewaterTechnology Fact SheetPipe Construction and MaterialsDESCRIPTIONT here are several different pipe materials availablefor Wastewater collection systems, each with aunique characteristic used in different four different pipe materials described in thisfact sheet are ductile iron, concrete, plastic, andvitrified material selection considerations includetrench conditions (geologic conditions), corrosion,temperature, safety requirements, and cost. Keypipe characteristics are corrosion resistance (interiorand exterior), the scouring factor, leak tightness,and the hydraulic manufacturers follow requirements set by theAmerican Society of Testing Materials (ASTM) orAmerican Water Works Association (AWWA) forspecific pipe materials. Specification standardscover the manufacture of pipes and specifyparameters such as internal diameter, loadings(classes), and wall thickness (schedule).
strong, resistant to chemical corrosion, internal abrasion, and external chemical attack. They are also heat resistant. These pipes have an increased risk of failure when mortar is used in joints because mortar is more susceptible to chemical attack than the clay. Other types of joints are more chemically stable. It has been shown that the thermal
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