ASSE 6020 case studies
ASSE 6020 · Put your knowledge to work in context.
ASSE 6020 is a professional-qualification exam in the ASSE/ASSP 6000 series, the family of personnel certifications administered by the American Society of Safety Professionals (ASSP), the organization formerly known as the American Society of Sanitary Engineering (ASSE). Our catalog publishes the blueprint as six weighted domains: cross-connection control program administration (15 percent), hydraulics and backflow principles (15 percent), backflow prevention assembly types and operation (20 percent), field testing procedures and test equipment (25 percent), troubleshooting, repair and maintenance (15 percent), and codes, standards and regulations (10 percent). The ASSE 6020 case studies are 5 cases and about 2,438 words.
1Reduced Pressure Assembly Failing During a High-Demand Morning
A facility maintenance technician with a current tester certification tests a 2-inch reduced pressure zone assembly serving a commercial laundry. During the morning shift, the building draws water heavily and the static supply pressure at the test cock reads only 32 psi.
596 words, about 3 min2Cross-Connection Survey at a Dental Office With Multiple Hazards
A program administrator conducts a cross-connection survey at a dental office with four operatories. Findings: each chair has a high-speed handpiece connected to a municipal supply through a non-testable dual-check device; the office has a film processor with a direct water connection; a janitor's closet has a threaded hose bibb used to fill a mop bucket; and the building has a fire sprinkler system supplied through a dedicated line with no backflow assembly.
525 words, about 3 min3Hydraulic Sizing for a Booster Pump and Backflow Assembly
An engineer is designing a water service for a three-story building. The municipal main provides 55 psi static pressure at the property line.
422 words, about 2 min4Troubleshooting a Double Check Assembly That Fails the Second Check
A tester is called to a 4-inch double check valve assembly serving an industrial process line. The first check holds 5 psi with no decay.
455 words, about 2 min5Annual Testing Compliance and Enforcement for a Shopping Center
A water purveyor administers a cross-connection control program covering a shopping center with 14 tenant spaces. Twelve tenants have testable assemblies; two have non-testable devices.
440 words, about 2 min