scm defined
DESCRIPTION
SCM DEFINED. The supply chain is the network of organizations that are involved through upstream and down stream linkages, in different processes and activities that produce value in the form of products and services in the hands of the ultimate customer. - PowerPoint PPT PresentationTRANSCRIPT
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SCM DEFINED
The supply chain is the network of organizations that are involved through upstream and down stream linkages, in different processes and activities that produce value in the form of products and services in the hands of the ultimate customer.
Supply Chain may be defined as “flow of materials through procurement, manufacturing, distribution, sales & disposal”.
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Dynamics of Material Flow
Supplier Plant RS Logistics Retailer
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SCM FLOWS
MATERIAL
MONEY
INFORMATION
Procurement Manufacturing Distribution Customer
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Supply Chain RelationshipSupply Chain Relationship
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What is SCM ?What is SCM ?
BuyingBuying
SellingSelling
MakingMakingMovingMoving
Warehousing
Warehousing
SCM is a business network covering from buying, making, moving, warehousing to selling
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Traditional SCM
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SCM SCM Facilitate Specialization Facilitate Specialization
Intermediaries provide Exchange efficiencies Intermediaries provide Exchange efficiencies
Connectivity is King for product deliverywhen and where
IntermediariesIntermediaries
Customer Customer ProducerProducer
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Cost
Reduced inventories
Reduced waste
Reduced total system costs Service
Establishment of a collaborative framework
Near real time information flow
Reduced variation and increased quality
Business growth opportunities
Preferred source for new opportunities
Expanded benefits to other customers
Supply Chain Benefits
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The 3 Ts
Key IngredientsFor ImprovingSupply ChainEfficiencies
TimelinessVelocity
Acceleration
Trust
Collaboration
Empowerment
SharingInformation(eg. open schedules)
Accountability
Understanding the process
Transparency Ability to see the real situation
The Three Ts
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Transactional Efficiency
Critical Data to improve:
Multiple handling
Transit damageProcess delays
Excess freight
DelaysEnd-to-end cycle-time
Warehouse fees Inventory turns
Yield
Late Deliveries
Perceived Value
Intrinsic Value
The Supply Chain “Iceberg”
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Supply Chain Decisions
OPERATIONAL
TACTICAL
STRATEGIC
Procurement DistributionManufacturing Logistics
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SCM FOCUS / LEARNINGS
• SERVICE COST• FLOW OF INFORMATION / MATERIAL AND CASH• INPUTS AND OUTPUTS
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ELEMENTS OF SCM
• INVENTORY MANAGEMENT• WAREHOUSING• TRANSPORTATION
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ShortageExcess
1. The stock of material lying with you for which payments are made but which are yet to be delivered to the customers and paid for by them.
2. Material stocked to meet the expected demand in the market.
3. An idle resource which locks the capital.
What is inventory
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ShortageExcess
Why inventories are necessary
1. To satisfy the customer demands without time lag.
2. To cover time required for procurement of material.
3. To cater to fluctuations in demand.
4. Seasonal demand of products.
5. Production constraints of suppliers.
6. To retain supplier goodwill.
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Inventory Exercise• WORK OUT INVENTORY NORMS BASED ON SERVICE
FREQUENCY, SALES AND DEMAND VARIABILITY & TRANSIT TIME VARIABILITY
• Consider sales qty. – 300 CLD’S per month, Demand variability – 20 %, Supply variability of + / - 2 Days & Service frequency of 1 / week
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Costs Opportunity cost curve. Total costs A
Inventory + Service costs.
Low Service levels High I Interpretation:
At low service levels, costs due to lost opportunities are very high.
When service levels are raised, inventory + service costs increase marginally but costs due to lost opportunities come down drastically.
Enlarged view of portion marked at “A” is shown in the next graph for further explanation.
Service Level & Inv. Costs
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Zone of Indifference
Zone of Perfection.
Zone ofImprovement
ENLARGED VIEW OF PORTION “A”
Explanation:
1. In ‘zone of improvement ’, as service level goes up by increasing stocks and incurring in extra expenditure for giving better service, the gains obtained due to better sales outweigh the costs incurred.
2. In ‘zone of indifference’, the gains and costs are more or less balanced.
3. In ‘zone of perfection’, as service levels are raised to near to 100%, the costs outweigh the gains but in modern competitive environment, this may become a necessity for survival
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Scientific Replenishment System
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The Use of Safety StockThe Use of Safety Stock
Inve
nto
ry o
n
Han
dIn
ven
tory
on
H
and
Stock out
Time
Stock out is avoided
Time
Safety Stock
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ABC Analysis
• Based on principle of management by exception.
• Unit value is not a consideration. Analysis is based on
total consumption value of items in predetermined time span.
• Criticality/importance of item is not a consideration
• All the items are divided in three categories.
• Decisions are based on 80 : 20 rule.
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ABC Analysis Exercise
•Classifying inventory according to some measure of importance and allocating control efforts accordingly.
–AA - very important–BB - mod. important–CC - least important
Annual valueof items
AA
BB
CC
High
Low
Few ManyNumber of Items
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DECISION PARAMETERS FOR ABC ANALYSIS
• ADEQUACY OF STOCKS
• FREQUENCY OF STOCK CHECKING
• LOCATION IN WAREHOUSE
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FSN AnalysisBased on speed of movement of material.
1. Some materials have regular and high volume demand and move
‘Fast’ (F),
2. some material have intermittent and unpredictable demand and
hence move ‘Slow’ (S)
3. and a few items have practically no takers and hence keep on lying
in stores for long period of time and categorized as ‘Non moving’
(N).
FAST MOVING SLOW MOVING NON MOVING
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INVENTORY FOCUS / LEARNINGS
• What is Inventory and why do we need inventory ?
• How do we avoid non moving and slow moving inventory?
• How do we classify and analyze inventory?
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ELEMENTS OF SCM
• INVENTORY MANAGEMENT
• WAREHOUSING• TRANSPORTATION
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ELEMENTS OF WAREHOUSING
• LOCATION• LAYOUT• IDENTIFICATION• MATERIAL HANDLING
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Layout principles
• Ease of receipts, storage and issues.
• Uninterrupted movement of material,
men and equipment.
• Optimum utilization of space.
• Ease of locating the material.
• Safety. & Security.
• Better supervision.
• Flexibility
• Building. : Preferably single storied,
enough height, proper lighting and
ventilation, protection against
hazards like fire and lightening.
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1. Tagging.
2. Labeling.
3. Writing, painting,
engraving, stamping,
etching, color coding
on the part/case/box.
4. Bar coding.
Identification of Material
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IMPROVED STORAGE SYSTEM
EXERCISE
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Features of a good warehouse
1. Place for everything and everything in its
place.
2. FMFO – First Manufactured and First Out
principle.
3. Maintenance of prompt and correct
records.
4. Fast and courteous service to customers.
5. Minimum damages to the material.
6. Protection against pilferage.
7. Regular verification and inspection of
material.
8. Regular inventory taking and
reconciliation.
9. Maintaining inventory within specified
norms.
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Learning's from the topic
1. How do we keep our warehouse in more orderly manner ?
( Understanding Location and layout of the
warehouse )
2. What activities we must do in the warehouse to ensure
proper identification & tracing of the material
3. How can we reduce our labour cost in the warehouse. What
mechanization we can do in our warehouse?
4. How can we ensure better material movement inside the
warehouse?
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ELEMENTS OF SCM
• INVENTORY MANAGEMENT• WAREHOUSING
• TRANSPORTATION
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Logistics Management
'Logistics is the process of strategically managing
the procurement, movement and storage of materials
(and related information flows) through the
organisation and its marketing channels
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Objectives of Transport Management
1. Cost Optimization
2. Improved service
3. Transportation/logistics as a competitive
differentiator.
4. Time to market
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CARRIER SELECTION
OUTSOURCING Vs. OWN VEHICLE
VEHICLE TYPE ( SIZE )
CUSTOMERS PER VEHICLE & TRIPS
PER VEHICLE( ROUTING )
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Carrier Selection and Routing
• The practical meaning of the 4 C’s of selecting transportation services
1. Competition2. Cost3. Comparison4. Compromise
Sources Destinations
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Your responsibility is to assist in defining
Right Product in the Right Quantity from the
Right Source to the Right Destination in the
Right Condition at the Right Time for the
Right Cost.
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Transport Costs
Fixed cost Variable cost
Vehicle cost ( Depreciation )License feeInsurance costDriver salaryInterest costRoad taxAdministration Cost
Labour cost ( Laoding & Unloading )Fuel, Consumables & Oil cost
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Factors Affecting Carrier DecisionCarrier makes investment to maximize return on assets.For this he has to consider following costs –
1. Vehicle-Related Cost : This is fixed cost in short term incurred for
purchasing or leasing the carrier.
2. Fixed Operating Cost : This includes any cost associated with
terminals, Road Tax, and labor.
3. Trip-Related Cost : This includes the price of labor and fuel incurred
for each trip independent of the quantity transported and depends on
the length and duration of the trip.
4. Quantity Related cost : This includes loading / Unloading cost and
part of fuel cost that varies with the quantity being transported.
5. Overhead cost : This includes, planning & scheduling cost, IT cost.
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Routing & Scheduling In Transportation
This refers to the selection of customers to be visited by the particular vehicle and the sequence in which they will be visited.
For the companies to be successful, they have to do the routing and scheduling in such a way that they reduce the cost of transportation at the same time make the deliveries fast and meet the promised level of responsiveness to the customers.
To achieve this, the objective is to minimize cost by
Decreasing the number of vehicles, Reducing total distance traveled, Reducing total travel time & Reducing service failures ( delays )
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Routing & Scheduling In Transportation
The objective of the supplier is to
• Pick the items needed and to load them on trucks for delivery
• Decide which vehicle will deliver to which customers & the route
that each truck will take.
• Ensure that no vehicle is overloaded at the same time try to load
all the vehicles fully.
• To do this, the technique that can be used is Savings Matrix
Method.
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Identify The Savings Matrix - The trip RS
Cust X
RS
Means the visit starts at RS & goes to Customer X & returns to RS
The savings ( X, Y ) is the distance saved if the trips
RS RS
Cust X Cust Y
RS RS
Are combined to make a single trip RS
Cust X
Cust Y
RS
This saving is calculated by following formula
S ( X, Y ) = Dist ( RS, X) + Dist ( RS, Y ) – Dist (X, Y)
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Assign Customers to Vehicles or RoutesSelect the route with highest savings and combine the 2 routes if the total load is less than the permitted load. Keep combining this way to get the route plan.
Sequence Customers within RoutesThe goal here is to minimize the distance each vehicle must travel. The procedure for this is as follows:
Farthest Insert : Given, a vehicle trip for each customer, evaluate the minimum increase in length if this customer is inserted at a suitable point in the trip and insert the customer with the largest minimum increase to obtain the new trip.
Nearest Insert : Given, a vehicle trip for each customer, evaluate the minimum increase in length if this customer is inserted at a suitable point in the trip and insert the customer with the smallest minimum increase to obtain the new trip.
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Routing & Scheduling Exercise
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Learnings & Assignments
1. Is selection of vehicle critical for the business? How to select a vehicle
for transportation?
2. How to decide sequence for delivery of goods to the retailers?
3. Is Outsourcing of transport vehicles more beneficial for us or Having
own vehicles more beneficial for us?
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SCM Key Performance Measures
FMFO Deliveries during the month FMFO Adherence % ge = ---------------------------------------------------------- Total deliveries made during the month.
Orders Delivered On Time & FullCommitment % ge ( OTIF ) = ----------------------------------------------------- Orders Received in a month
Transport cost + Labour Cost + storage costSCM COST / TN = --------------------------------------------------------------------- Total sales
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• Product Attributes
• Planning
• Request ForQuotation
• Availability• Purchase Order• Order Confirmation
• Call-Off• Order Status• Inventory Status
• ProductQuality
• Usage• InventoryChange
• ProductPerformance
• Delivery Message
• Goods Receipt• Invoice
• Credit/Debit Note• Business Acknowledgement
• Information Request• Complaint• Complaint Request
Plan Make Deliver Source Utility
SCM Process categorized according to the Supply-Chain Council’s, Supply-Chain Operations Reference (SCOR) model
Supply Chain Model Foundation
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Bullwhip Effect
Factors contributing to the Bullwhip Effect:
• Forecast Errors • Lead Time Variability • Batch Ordering • Price Fluctuations • Product Promotions • Inflated Orders
Methods intended to reduce uncertainty, variability, and lead time:
• Vendor Managed Inventory (VMI) • Just In Time replenishment (JIT) • Strategic partnership
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Bullwhip Effect
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Bullwhip Effect
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Causes of Bullwhip Effect
• Demand Signal Processing (frequent updates of forecasts; only next echelon orders considered)
• Order Batching (to realise logistic Economies of scale + Reducing order processing costs)
• Price Fluctuations (resulting in over-reactions)
• Supply Rationing (Proportionate rationing; unrestricted order acceptance + free return policy)
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Counter-Measures for BWE
• Avoid multiple demand forecasts– Order based on ultimate customer
demand– Use EDI+POS+VMI– Choose a good forecasting method (PLC
has a major say)– Move from decentralized DM to
centralized planning (visibility+control is better)
– Remove layers in channel if possible
• Eg: HP, Apple, IBM, P&G/Walmart
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Counter-Measures for BWE
• Break order batchesIncrease frequency of ordering (OP costs reduced by EDI)Resort to standardization to minmize OP costsUse 3PL to make small batch replenishments economicalAggregate across retail outlets to utilize FTL EoSReduce safety stocks by cutting lead times
Eg: 3PL using Fedex, P&GStabilize pricesEDLP (P&G)Special purchase contracts
• Eliminate shortage gamingAllocate based on past sales (Sun)Share capacity and information (HP, Motorola)Limit flexibility wrt time (HP, Seagate)