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Logistics Overview
Why has logistics become increasingly
important?
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Cost reduction pressures are severe
Logistics has a high impact on customer service
A strong need exists for demand & supply
planning consistency
A focus on core competencies has placed
logistics in the outsourcing “spotlight”
Development of IT technology supports
integrated logistics management
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Role of Transportation
Time & Place Utility:
Movement across space or distance.
Place utility - Where it is needed
Time utility - created or added by the
warehousing & storage of product until it is
needed.
Also a factor in time utility; it determines how fast & how consistently
a product move from one point to another.
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Transportation Role in Value Attainment
Process
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• Critical element of structure,
capacity, & movement decisions
• Both between supply chain
members & intra-organizational
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Role of Transportation in Logistics & Supply Chain Management
Transportation Functions, Principles, Participants
Transportation Regulation
Transportation Industry Structure
Transportation Services
Industry Deregulation
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Economies of Scale
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Transportation
Cost/ Book
Number of Books in Shipment
$.10/book
$100/book
1 1000
The more items (weight)
is transported,
the less the
transportation costs per
item (unit of weight)
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Economies of
Distance
Tapering Principle
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Transportation
Cost/ Mile
Shipment Distance
1 mile 1000 miles
$50/mile
$.05/mile
$.10/mile
500 miles
The larger the distance,
the less the
transportation costs per
unit of distance (e.g.,
per mile)
Transportation rates are distance
related, not distance proportional
+ Basic Modes of Transportation
Fixed Variable Traffic
costs costs composition
Rail high low bulk food, mining, oil
heavy mfg
Motor low medium consumer goods,
medium/light mfg
Water medium low bulk food, mining,
chemicals
Air low high high-value goods,
rush shipments
Pipe high low petroleum, chemicals,
mineral slurry
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Containerization
Significant growth during Vietnam War
Improves efficiency, protects material, reduces handling &
pilferage
Sizes: 20 ft (TEU) or 40 ft (FEU)
Shorter to permit multiple units on railcars
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TEU: 20’ equivalent unit FEU: 40’ Equivalent Unit
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Transportation Functions, Principles, Participants
Transportation Regulation Transportation Industry Structure
Transportation Services
Non Operating Intermediaries
Traditional Transportation Carriers
Package Services
Intermodal Transportation
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Third Party Providers
The offering of nearly any form of transportation to a shipper or
receiver as part of a total package of logistics services
Shipper or user avoids capital outlays & investment
Focus on core competency--let experts do logistics
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Freight Forwarders
Formerly common carriers
– non-asset owning
Earn difference between what they charge (LTL, LCL) & what
they pay (CL, TL)
Issue bill of lading
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Freight Brokers
Intermediaries who bring shippers & carriers
together for a fee
Find customers for carriers or carriers for
shippers
Reduce burden for carriers & shippers
Find best means/rate for shippers
Help maximize capacity for carrier
Information Systems expanding opportunities
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Owner-Operator
Own or lease a truck and trailer & make services available to
for-hire carriers
Contract out their services to other carriers
Provide overflow capacity & flexibility
Reduce financial risk to carriers
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Express & Courier
TCI, UPS, FEDEX, DHL, DTDC, ARAMEX, DelEx
Fast, D-2-D service
Operate large network of terminals, pick up & delivery vehicles, & line
haul
Typically under 200 lbs
Compete with Postal Service
Future good due to expansion & innovative practices
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+ What is Intermodal Transportation?
The use of two or modes of transportation in
moving a shipment from origin to destination
Mostly associated with “piggyback” or container
shipments
Combines advantages ( disadvantages) of each
mode used
Reduces risk of theft & loss
Shortens customer order cycle time & effectively
reduces costs
Promotes “seamless” product movement:
Eliminates unnecessary handling
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Intermodal
Enables shippers to benefit from advantages
of multiple modes of transportation
minimizes disadvantages of individual modes
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Rail
Air Water
Truck
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Transshipment
Transshipment is the shipment of goods or
containers to an intermediate destination,
then to yet another destination.
One possible reason for transshipment is to
change the means of transport during the
journey (e.g., Machinery from India is often
imported through transshipment via Dubai)
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Selected Results of the Changing
Environment - Economic Impact
Increased competition in individual markets - both
within modes & between modes
More efficient carrier operations - less interlining,
more direct routing, efficient pricing
Transportation costs declined in real terms & as %
of GDP
Transportation service quality improved
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Selected Results of the Changing
Environment - Industry Impact
Consolidation in Rail, Air & LTL trucking
Proliferation of TL carriers
Strong growth in regional trucking - networks
TL growing faster than LTL
Air freight growth
Intermodal growth: rail-truck, air-truck, rail-ship
Growth of “one-stop shopping” - 3PL
Private fleet conversion
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+Selected Results of the Changing
Environment - Market Impact
Demand for fast, dependable, responsive service
at lower cost
Demand for a broader range of services to
integrate supply chain functions
Core carrier concept - interdependence between
shipper-carrier
Customized price/service packages/contracts
Relational view of transportation as a “value-
added” service
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+Transportation Decision Making in an Integrated Supply Chain 33
Supplier Manufacturer Customer
Inbound Outbound
DecisionFlow
Understand total network flows
Understand individual lane flows
Understand current
carrier usage patterns
Make mode/carrier
decisions
Routing/Scheduling,
Load Planning, etc.
Strategic
Operational
Macro
Micro
DecisionScope
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Network Freight Flows: A Fully
Integrated Approach
Managing Inbound-Outbound flows in an
optimal manner requires firm to have a good
handle on the entire logistics process
Traditionally view transportation in a vacuum--
need to look at it in the context of the total
logistics system
Greatest improvement opportunities lie in
integrating transportation with other logistics
functional areas such as purchasing, inventory
control, forecasting & production scheduling
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Approach to Analysis
1. Analyze lane densities/frequencies: what opportunities
emerge for:
inbound/outbound consolidation
vehicle consolidation
temporal consolidation
network consolidation - cross dock potential (hub & spoke
systems)
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Approach to Analysis (cont.)
2. Once opportunities for consolidation are visible, make
mode/carrier selection based on service/cost mix
Given similar service, are rates better on 1
mode/carrier than another?
Does any mode/carrier have relative strengths in a
particular lane?
Any backhaul opportunities?
3. If so, look to consolidate loads on mode/carrier with best
cost structure - assign private fleet to most costly routes
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In the freight industry, freight carried by a trucker to return to his home with a
loaded truck, rather than an empty one (as opposed to headhaul, the outgoing
freight).
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Consolidation Opportunities
• Inbound-Outbound flow consolidation: look for opportunities to combine
inbound/ outbound freight
• Vehicle consolidation: use one vehicle/multi stops for LTL volumes v/s
one shipment to each
• Temporal consolidation: hold orders until large volume shipment
possible
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+ Suggested Analysis
Network flows
Lane densities, frequencies, consistency
Freight distribution by mode, carrier
Consolidation opportunities
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Summary
Identify:
Opportunities to achieve balanced flows - obtain lower
rates for providing loads both ways
Significant volumes for rate negotiation
Vehicle/temporal consolidation opportunities
Advantages of reducing number of carriers
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I. Improving Efficiency
Rule of efficiency: Straight line, minimize stopping--avoid
damage and cost (delay)
Minimize handling: Avoid “handshakes” & attempt to make
process “seamless”
Full capacity: Reduce cost /unit
Break bulk & consolidation on long haul
Avoid empty backhauls
Effective Scheduling: “Optimize” labor & equipment (5%-
10%)
Transportation rates are distance related, not distance
proportional
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II. Efficient Use of Technology &
Equipment
High utilization of expensive assets
Larger the vehicle, the lower the cost
per unit
Speed does not equal economical
operations
Minimize vehicle gross weight
Standardized vehicles & equipment
Balance specialization with
adaptability
Examine trade-offs between IT &
traditional logistics functions
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III. Coordinate Operations
Coordinate operations with requirements to ensure trade-offs &
appropriate level of service
Cost accountability as part of performance measurement
Reliability is sometimes better than speed
Look for opportunities to innovate, but recognize proven principles
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Customer Service Measures
Order cycle lead time
Stock availability/fill rates/stock-outs/back orders/partial
shipments
Record integrity
Frequency of delivery
Delivery reliability
Order tracing capability
Volume flexibility
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Customer Service Measures
Invoice accuracy
Order status information
Technical support responsiveness
Unscheduled service responsiveness
Speed of product feature changes
Product & service quality
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Total Cost Concept
The total cost concept recognizes that an optimum cost in
one area or function may not lead to an optimum total
system cost
Total cost analysis requires the management of supply
chain trade-offs
Logistical activity areas that drive total logistics costs:
Customer service level costs
Inventory carrying costs
Lot quantity costs
Order processing & information costs
Warehousing costs
Transportation costs
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Summary-1
The transportation mode available to the
logistics manager consists of the basic
mode, intermodal & indirect and special
carrier
The carrier selection is two fold, selection of
the mode & selection of the specific carrier
Factors determining carrier selection include
transportation rate, transit time, reliability,
capability, accessibility & security
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Summary-2
Railroads offer low cost for long hauls of large volumes,
but they have accessibility limitation & long transit time.
Motor carriers are very accessible & move product in
small quantities with low consistent transit times.
However their costs are higher than the other modes
except air
Water transportation is relatively low cost & is desirable
for moving large volume over long distances. The prime
disadvantage is long transit time & service disruption
caused by weather
Air carriers have very low transit times but very high
rates.
Pipelines offer very low rates for the movement of liquids
but are not a viable option for manufactured goods.
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Summary-3
Intermodal transportation is the combination of two or
more basic modes to provide through movement. The
dominant form is rail-truck or piggyback
Containerization is the shipping of freight in a box or
container that is subsequently transferred from one
carrier to another. It reduces freight handling & damage
while improving transit time.
The transportation system includes a number of indirect &
special carriers such as small package carriers,
consolidators, freight forwarder, shipper associations,
brokers & intermodal marketing companies.
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