Manhole Study guides, Class notes & Summaries

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 days B. Be...

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. Correct Answer: D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours Correct Answer: D. Within 2 hours When working in confined s...

Sewer maintenance vehicles are Correct Answer: difficult to maneuver At low concentrations, hydrogen sulfide smells like Correct Answer: Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? Correct Answer: Toxic Gases What must be checked first before entering a manhole? Correct Answer: Proper barricades or warning devices around manhole. When should field crews use signs and cones? Correct Answer: When over half the street is block...

CWEA Collection Systems Maintenance Grades 1 (2024 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 ...

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 ...

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 equipment 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 answe...

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...

The piping for the ____________ contained outside of the tank, usually on the ends, with a manhole on top of the tank. a) IM 101 b) IM 102 c) IM 105 d) IM 107 b) IM 102 The statement, "Keep Away from Waterways," is found on a pesticide label. This statement is referred to as a/an: a) Signal Word b) Hazard Statement c) Pest Control Product Warning d) Incompatibility Statement b) Hazard Statement The vehicle pictured below is an: a) MC 331 b) MC 338 c) MC 312/DOT...

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. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours D. Within 2 hours When working in confined spaces or sewers, what form of lighting would you...

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. Correct Answer: D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours Correct Answer: D. Within 2 hours When working in confined spaces ...