The Community FoodBank of New Jersey Supermarket Donation Program

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The Community FoodBank of New Jersey Supermarket
Donation Program

• Case Studies in Operations Research
• Prof. Michael Rothkopf
• Namrata Bedi
• Konrad Borys
• Hambir Chavan
• Nadia Farooq
• Indira Gazula
• Nithin Kotla
• Gabor Rudolf
• Jose Torres

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Objective

• Give Projections for
• Required number of truck outings
• Total amount of meat collected
• Average number of pallets in truck per trip
• Total cost of pickup schemes
• Unit cost of meat per pound of the pickup schemes
• Develop a cost efficient routing and scheduling
  strategy for the collection of donated products
  for the Stop Shop Chain

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Pilot Program

• Stop Shop stores participating
• Dayton, Monmouth Junction, Franklin Park,
  Somerset and Watchung
• April 19, 23, 27, 30
• Time window for Pickups 10am and 2pm

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Pilot Program Route
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Pilot Program in Pictures
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Data Collected

• Quantity of food collected
• Travel time
• Loading time
• Fuel consumption

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Observations

• Average time spent at each store was 36 min
• Due to food inspections
• Should lower to 15 to 20 min/store
• The actual travel time is about 40 greater than
  that estimated from Mapquest.
• Breaks during the pickup time window caused
  inconvenience.
• Unfrozen food at certain locations indicates
  possible drawbacks of longer interval between
  pickups.

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Clusters and Routing for Stop Shop
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Projections with Weekly Pickups
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Pickups Biweekly Vs Weekly

• Reduces Total cost by about 50
• Reduces Unit cost of by 35 to 45
• Reduces total food collected by 10 to 20

• PROS
• Lower operational costs
• Higher utilization of space on trucks
• CONS
• Possible loss of food due to improper collection
  methods
• Inconvenience due to lack of storage space

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Factors affecting Unit Cost

• Time Window for Pickups

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Factors Affecting Unit Cost

• A 30 Min lunch break increases cost by
  approximately 10 and the number of truck outings
  by 12.

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Questions Comments

• orgroupies_at_yahoogroups.com

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Scale Up Model

• Divided NJ into 7 sections
• Assumed that density of stores remains the same
  as in Middlesex county
• Calculated the average time between two stores
  while considering
• StopShop
• 3 chains(StopShop,Shoprite,Wegmans)
• 5chains(StopShop,Shoprite,Wegmans,Pathmark,AP)
• nj