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United States Postal Service USPS Material Handling Case Study
Key Technology
- Intelligrated Soft Touch One-Way Shoe Sorter
- Accusort AV400 Camera Scanner paired with an Axiom line Scanner
- 8 Induction Lanes accumulating at the Saw-Tooth Merge
- Zero pressure Accumulation Conveyor
- Anchor Enterprises Mezzanine
- OCS Technologies Scales
- Intelligrated Controls
- Two pass sortation methodology to hit all 235 zip codes
Business Challenges
- Complete project quickly so there is no delay in the delivery of mail
- The weights of standard postal trays range from nearly empty to 75 lbs. The challenge is
reading a label in a sleeve at 550 feet/minute and the shifting of mail inside the tray
- The goal is to sort trays at a rate of 135 pieces per minute to 235 zip code ranges
- The system needed to be able to sort nearly 150,000 mail trays or approximately 300 trucks 24 hours
- Maximize the space in relatively small 160,000 sq. ft. building
Results
- The goal to sort trays at a rate of 135 pieces per minute was exceeded.
The actual peak rates were 200 pieces per minute
- Installation and successful testing was completed 2 weeks earlier than anticipated
- BMH was able to complete the installation safely and efficiently,
without disrupting the 24/7 processing of mail
