Cwea collection syste - Study guides, Class notes & Summaries

Why are gasoline and volatile solvents objectionable when present in a sewer? - They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equ ipment panels, controls, wiring or circuits unless - You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - Advance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your answer on t...

CWEA COLLECTION SYSTEMSMAINTENANCE GRADE 3 EXAM 80+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE. CWEA Collections System Maintenance Grade 3 1. A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above.: D. As stated in "A" or "B" above. 2. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 day...

CWEA Collection Systems Maintenance Grades 2 (2024 / 2025 Update) Practice Questions and Verified Answers | 100% Correct | Grade A Q: What affects the flow capacity of a sewer line? Answer: Pipe size, pipe, material, grade Q: When a grade conflict exists between a Water main and a sewer main, which of the following is the best solution? Answer: Have the Water main adjusted and hold the grade on the sewer main Q: Why is the replacement of wastewater collection systems in some downtown streets dif...

CWEA Collection Systems Maintenance Grades 1 (2024 / 2025 Update) Practice Questions and Verified Answers | 100% Correct | Grade A Q: The lack of an unpleasant odor in a manhole, loft station, or other structures does not always mean that dangerous gases aren't present because: Answer: Some dangerous gasses have no odor. Q: What should be considered when providing trench shoring? Answer: Depth of trench ( anything over 5' needs shoring) Q: Excavations & adjacent areas must be inspected on a da...

QUESTIONS AND ANSWERS

CWEA Collection Systems Maintenance Grades 2 (2024 / 2025 Update) Exam | Questions and Verified Answers | 100% Correct | Grade A Q: What four conditions are necessary to create an explosion? Answer: Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen. Q: What does "transition area" mean in traffic control? Answer: Moves traffic out of its normal path Q: The term

Why are gasoline and volatile solvents objectionable when present in a sewer? correct answers They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless correct answers You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? correct answers Advance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination ...

CWEA COLLECTION SYSTEMS MAINTENANCE EXAM 2024 Why are gasoline and volatile solvents objectionable when present in a sewer? - correct answer They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - correct answer You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - correct answer Advance Warning Area, Transition Area, Ac...

CWEA Collection Systems Maintenance Grades 1 & 2 Bundled Together | 2024 / 2025 Update Questions and Verified Answers | 100% Correct | Grade A Q: what elements should be considered to improve worker safety in High speed Temporary Traffic control Zones? Answer: Rerouting traffic around the work site, positioning of law enforcement officers in the temporary traffic control zone, and work zone training Q: What key features would you need to address when developing an S.O.P. for a Lift Station failu...

CWEA Collection Systems Maintenance Grades 2 (2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A Q: What affects the flow capacity of a sewer line? Answer: Pipe size, pipe, material, grade Q: When a grade conflict exists between a Water main and a sewer main, which of the following is the best solution? Answer: Have the Water main adjusted and hold the grade on the sewer main Q: Why is the replacement of wastewater collection systems in some ...