Collection and Transportation Logistics Flashcards
7 cards from real CPWM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Collection and Transportation Logistics flashcards as text
What does 'payload capacity' refer to in waste collection vehicle specifications?
Answer: The maximum weight of waste the vehicle can legally carry
Payload capacity is the maximum allowable weight of cargo (waste) a vehicle can carry without exceeding its Gross Vehicle Weight Rating (GVWR).
Which routing strategy minimizes left-hand turns to reduce fuel consumption and collection time?
Answer: UPS-style right-turn optimization
UPS-style right-turn optimization reduces idling at intersections and improves fuel efficiency by minimizing left turns that require crossing traffic.
A residential curbside collection truck must not exceed what federal bridge formula weight limit on a standard two-axle configuration?
Answer: 80,000 lbs
Federal law limits most multi-axle trucks to 80,000 lbs gross vehicle weight on interstate highways under the Bridge Formula.
What is the primary purpose of a transfer station in a waste collection system?
Answer: To consolidate waste from collection vehicles before long-haul transport
Transfer stations consolidate smaller collection vehicle loads into larger transfer trailers to reduce per-ton transportation costs to distant disposal facilities.
Which type of collection service requires residents to place waste at the property line rather than the curb?
Answer: Backyard collection
Backyard collection requires crews to enter private property to retrieve containers, resulting in higher labor costs than curbside service.
In automated side-loader (ASL) operations, what sensor system ensures safe cart engagement?
Answer: Infrared proximity sensors on the lift arm
ASL vehicles use infrared proximity sensors to detect cart position and ensure the arm aligns properly before lifting to prevent spills or equipment damage.
What is 'managed competition' in the context of waste collection procurement?
Answer: A process where public employees compete against private firms for service contracts
Managed competition allows in-house municipal crews to bid against private contractors, often improving efficiency and cost-effectiveness regardless of who wins.