Ford Motor Company’s Finished Vehicle Distribution System April 2001 Ellen Ewing Project Director UPS Logistics Dr. John Vande Vate Exec. Director EMIL ISyE Georgia Tech
Confidential Page 2 Confidential Agenda l Introduction l 1999 Environment l Solution Approach l Network Design l Implement New Strategy l Results to Date l Summary
Introduction
Confidential Page 4 Confidential Objectives/Motivation l Importance of Pipeline Inventory l Pipeline Inventory and Network Design l Role of modeling l Information in variables l Stronger formulation l Financial impact
Confidential Page 5 Confidential Competitive Necessity The new BMW Sales and Production System
Confidential Page 6 Confidential Financial Incentives: Capital Utilization –In 1996 –Ford produced 3.9 million vehicles in the US –Avg. transit time 15+ days –Avg. vehicle revenue $18,000 –Value of pipeline inventory: > $2.8 Billion –One day reduced transit time: »$190 Million reduction in pipeline inv. »1,400 fewer railcars The Need for Speed
Confidential Page 7 Confidential The Need for Speed Demand for land 22 Plants 54 Destination Ramps ~1,200 Load lanes ~8,400 vehicles waiting at plants $166 Million in inventory
Confidential Page 8 Confidential The Need for Speed Other Incentives l Damage l Flexibility l Others? l
Confidential Page 9 Confidential Before 1996
Confidential Page 10 Confidential
Confidential Page 11 Confidential The Price Inventory at the cross dock Added distance traveled Handling at the cross dock Capital costs of the cross dock
Confidential Page 12 Confidential Mixing Centers
1999 environment
Confidential Page 14 Confidential 1999 Vehicle Network Delivery Conditions l Record production levels l Demand shift from cars to trucks l Overburdened rail infrastructure l Deteriorating rail service l Shortage of transport capacity l Mixing centers l 15+ day transit time l High inventory cost l Dissatisfied customers
Confidential Page 15 Confidential High 1999 Level Statistics l Assembly plants22 l Mixing centers 5 l Destination rail ramps54 l Dealer locations6,000 l Production volume4.4 Mil./Year l Freight expense$1.5 Bil. l Dec. ‘99 avg. transit time16.8 Days l Pipeline Inventory$4.1 Bil.
Confidential Page 16 Confidential Mixing Center Origin Plant Groupings Destination RampPlanned Ramp Closure Edison Norfolk Atlanta Kentucky Ohio St Louis Canada St Paul Michigan Chicago Kansas City 15% of all vehicles go Haulaway Direct to Dealer within Miles of the Assembly Plant 85% of all Vehicles go via Rail to a Hub (Mixing Center or Destination Ramp) Ford Distribution Network
Confidential Page 17 Confidential Old Delivery Design l Push Network l Vendor sub systems optimized for individual segments l Little to no visibility l Mixing Centers not used effectively
solution approach
Confidential Page 19 Confidential Ford Goals Speed l 1999: Average 15 days transit time l Goal: Maximum of 8 days transit time Precision l 1998/1999: 37% on time within 1 week l Goal: 95% on time within 1 day Visibility l 100 % Internet vehicle tracking from plant release to dealer delivery l Guide the flow of vehicles l Respond to variations l Inform customers
network design
Confidential Page 21 Confidential Design Process Truck vs Rail delivery Allocate Dealers (FIPS) to Ramps Route Flows through Rail Network
Plant Mixing Center Origin Ramp Dest. Ramp MC Ramp Ford Locations
Confidential Page 23 Confidential An Allocation Model
Confidential Page 24 Confidential Single-Sourcing Allocation Var Assign{FIPS, RAMPS} binary; Minimize TotalCost: sum{fip in FIPS,ramp in RAMPS} Cost[fip,ramp]*Assign[fip,ramp]; s.t. SingleSource{fip in FIPS}: sum{ramp in RAMPS}Assign[fip,ramp] = 1; s.t. ObserveCapacity{ramp in RAMPS}: sum{fip in FIPS} Volume[fip]*Assign[fip,ramp] <= Capacity[ramp];
Confidential Page 25 Confidential Dealers sourced by multiple ramps Old Ramp Allocation Southern US
Confidential Page 26 Confidential Dealers sourced by single ramps New Ramp Allocation Southern US
Confidential Page 27 Confidential New Allocation of Dealers to Ramps Mainland US
Confidential Page 28 Confidential Flows through the Rail Network Objective is NOT Freight cost!
Confidential Page 29 Confidential The Objective IS Speed Capital Land
Confidential Page 30 Confidential The Promise Speed Unit trains bypass hump yards
Confidential Page 31 Confidential The Promise Capital & Land Time Laurel, Montana Orilla, Washington
Confidential Page 32 Confidential The Promise Capital & Land 22 Plants 54 Destination Ramps ~1,200 Load lanes ~8,400 vehicles waiting at plants $166 Million in inventory Each Plant to One Mixing Center ~22 Load lanes ~154 vehicles waiting at plants ~$3 Million in inventory
Confidential Page 33 Confidential The Price Inventory at the cross dock Handling at the cross dock Capital costs of the cross dock Added distance traveled
Confidential Page 34 Confidential Making the Trade-offs Measuring Inventory In the rail network At the plants and Cross Docks Load-driven system Railcars depart when full Relationship between Network Design and Inventory
Confidential Page 35 Confidential Inventory at the Plants Half a rail car full for each destination Time Laurel, Montana Orilla, Washington
Confidential Page 36 Confidential Inventory at the Mixing Centers Half a rail car full for each destination Time Laurel, Montana Orilla, Washington
Confidential Page 37 Confidential Workload at the Mixing Centers Unpredictable Rail car holds 5 vehicles Orilla Benicia Mira Loma Laurel Denver Orilla Benicia Mira L. Laurel Denver
Confidential Page 38 Confidential Workload at the Mixing Centers Balanced: Only load cars you empty Rail car holds 5 vehicles Orilla Benicia Mira Loma Laurel Denver Orilla Benicia Mira L. Laurel Denver Orilla
Confidential Page 39 Confidential Effect on Inventory Inventory at Mixing Center slowly grows to just over (ramps -1)(capacity -1) and remains there Roughly twice the inventory of before Still depends on the number of ramps the cross dock serves
Confidential Page 40 Confidential Consolidation for Speed Unit Trains of rail cars don’t stop at mixing yards Trade moving inventory for stationary inventory
Confidential Page 41 Confidential Model Paths Route from Plant to Ramp Mode used on each edge Demand[ramp, plant] Combined demand at ramp for all products from the plant Variables: PathFlow[path]: u Volume from the plant to the ramp on the path UseLane[fromloc, toloc, mode] binary u Did we use the mode between two locations
Confidential Page 42 Confidential Model Objective Minimize the number of vehicles in the pipeline Moving Component (Transit times) Waiting Component (Mode Size) Minimize PipelineInventory: sum{path in Paths} (Total Transit Time)*PathFlow[path]; sum{(f,t,m)} (Size[m]/2)*UseLane[f,t,m]
Confidential Page 43 Confidential Model Satisfy Demand The sum of flows on all paths between a plant and a ramp must meet demand s.t. SatisfyDemand[p in PLANTS, r in RAMPS}: sum{path in PATHS: Plant[path]=p and Ramp[path] = r} PathFlow[path] >= Demand[p,r];
Confidential Page 44 Confidential Model Define UseLane For each pair of locations and mode between them write a constraint for each plant and ramp s.t. DefineUseLane[p in PLANTS, r in RAMPS, (f,t,m) in EDGES}: sum{path in PATHS: Plant[path]=p and Ramp[path] = r and (f,t,m) in PATHEDGES[path]} PathFlow[path] <= Demand[p,r]*UseLane[f,t,m];
Confidential Page 45 Confidential Model Large Model Lots of Variables: Many Paths Lots of Constraints: DefineUseLane The LP relaxation is nearly always integral Use Column Generation
Confidential Page 46 Confidential Reduced plant destinations New Rail Lanes
Confidential Page 47 Confidential Mixing Centers Destination Ramps Union PacificCSXTFEC BNSFCanadian PacificCar Haul to Ramp Norfolk SouthernCanadian National Edison Norfolk Atlanta Kentucky Ohio St Louis Canada St Paul Michigan Chicago Kansas City Final Outbound Rail Network with Carriers
results to date
Confidential Page 49 Confidential Results l Cut vehicle transit time by 26% or 4 days l $1 billion savings in vehicle inventory l $125 million savings in inventory carrying costs l Avoid bottlenecks l Reduce assets in supply chain l Improved inventory turns at dealer
Confidential Page 50 Confidential Benefits l Ford l Dealers l Rail Carriers l Auto Haulers
Confidential Page 51 Confidential Benefits - Ford l On-time delivery l Competitive edge l Cost control
Confidential Page 52 Confidential Benefits - Dealers l Reduced inventories l Increased customer satisfaction
Confidential Page 53 Confidential Benefits - Rail Carriers l Improved equipment utilization (reduced capital expenditures) l Visibility and planning capabilities l Synergies with existing UPS traffic l Increased cooperation
Confidential Page 54 Confidential Benefits - Auto Haulers l Expanded dealer delivery hours l Visibility and planning capability l Improved asset utilization l Increased cooperation
Confidential Page 55 Confidential Other Opportunities Where to go from here?