warehousing and storage in supply chain management
TRANSCRIPT
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WAREHOUSING AND STORAGE
IN SUPPLY CHAIN
MANAGEMENT
GROUP MEMBERS:
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WAREHOUSING AND STORAGE
“Warehousing and storage is an act of storing and assorting the
finished goods so as to create maximum time utility at
minimum cost”
Need for storage arises both for raw material as well as
finished products
STORAGE involves proper management for preserving goods
from the time of their production or purchase till actual use.
When this storage is done on a large scale and in a specified
manner it is called WAREHOUSING.
Now a days, many private firms are turning to distribution
centers rather than constructing the warehouses.
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WAREHOUSE MANAGEMENT
Is a key part of the supply chain.
AIMS: To control the movement and storage of materials
within a warehouse
The systems also direct and optimize stock put away based
on real-time information about the status of bin utilization.
A WMS monitors the progress of products through the
warehouses.
It involves the physical warehouse infrastructure, tracking
systems, and communication between product stations.
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DEFINITION AND ITS FUNCTIONS
According to Robert Hughes-
“warehousing is the set of activities that are involved in
receiving and storing of goods and preparing them for
reshipment “
Warehousing is not only concerned with storage facilities
but also involved in various other activities like –
Receiving,
identifying,
Holding
Assembling and preparing to meet the demand
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FUNCTIONS OF WAREHOUSING
1. Receiving of goods:-
Basic important function of warehousing
Accepts and assumes the responsibility to deliver
the goods
Issues the receipts of the goods
2. Preparations of records:-
Warehouse keeper check the items and prepares
the records
Records maintained properly to avoid problems at
the time of delivery
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3. Identification:-
All the items are marked separately
Code numbers/tags attached for identification
Identification helps to separate goods of different
firms easily
4. Storing:-
Major function of warehousing
Goods are kept safely in warehouse
Helps in proper protections of goods e.g. food
crops , fruits, vegetable etc.
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5. Packing:-
Provided by the warehouse keeper if
owner requires such facilities
Packaging is done in a reasonable way
according to size and quantity of goods
6. Information about receipts:-
Warehouse keeper checks and informs
about the goods to the concerned
department
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7. Breaking of bulks:-
Generally goods delivered in bulk
If owner wants in small quantity, keepers packs
according to the requirements of customer
8. Search the goods:-
Warehouse keeper searches efficiently and
provides the goods to the owner, whenever he
demands
9. Delivery of goods:-
Documents are checked and prepared and
Goods are loaded over transport
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BASIC FUNCTION PERFORMED
Storage functionPerformed by storing products in the warehouse till delivery to
ultimate consumer
Movement functionReceipt of
products from manufacturing
plant
Transfer into the warehouse
Placement at designated
place
Regrouping products
Transferring on transport
vehicle
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ECONOMIC AND SERVICE BENEFIT OF
WAREHOUSING
Economic benefits - Consolidation, Break
bulk, Cross Dock, processing postponement,
stock piling[seasonal storage]
Service benefits - spot stocking,
Assortment, mixing, production support,
market presence
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ECONOMIC BENEFITS
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Consolidation
warehouse
Plant B
[Product B for
Customer X]
Plant C
[Product C for
Customer X]
Customer X
[Product A+
Product B+
Product C]
Plant A
[Product A for
Customer X]
CONSOLIDATION
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Plant A
[Product A
for
Customers
X+Y+Z]
Break bulk
warehouse
Customer
X
Customer
Y
Customer
Z
BREAK BULK WAREHOUSE
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CROSS DOCK WAREHOUSE
Plant A
[Product A]
For
W, X, Z
Plant B
[Product B]
For
W,X,Y,Z
Cross Dock
warehouse
Customer W
[A+B+C]
Customer X
[A+B]
Customer Y
[B+C]
Customer Z
A+ C
Plant C
[Product C]
For
W, Y, Z
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SERVICE BENEFITS
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In transit mixing
Warehouse
[transit mixing point,
mix & make product
C]
Plant A
[Product A]
Plant B
[Product B]
Customer X
Products
A+ B+ C
Customer Y
Products
A+B
TRANSMIT MIXING WAREHOUSE
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MANUFACTURING WAREHOUSE
Manufacturing
Warehouse
Vendor A
[part A]
Vendor B
[part B]
Vendor C
[part C] Assembly Line X
Assembly Line Y
Assembly Line Z
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OPERATING PRINCIPLES OF
WAREHOUSE DESIGN
1. Design criteria
• Product Flow, Warehouse should be designed
round Material Handling Flow
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No of stories, one is ideal as against limitations of space, cost of land
Height utilization, principle of cubic space, principle of ‘go vertical’, limitation on height utilization due to fire safety and insurance regulations
2. Handling Technology Movement continuity
Reducing runs
Reducing short runs with intermediate stops
Ensuring longer runs
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Movement scale economies
Movement in large bulk
Moving material in cases strapped on pallets or
Containers
Handling technology is addressing these issues
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3. Storage Plan
Characteristics of product
Open air storage for bulky products
Heavy items closer to floor
Light items on higher rungs
Fast moving items in large bulk closer to aisles
Hazardous items
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WAREHOUSE ALTERNATIVES
1. Private Warehouses
Owned or leased by the product owner
Control is fully with the product owner
Changes can be made to integrate the warehouse with
rest of the logistical system
Provides market presence to the product owner
There is no profit to be added to the cost
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2. Public Warehouses
Available to companies on hire
Overheads get distributed over a large customer base
As warehousing is their core business public warehouses
offer expertise in management
Flexibility of location
Significant scale economies, several users and resultant
volume, benefits in transportation costs
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3. Contract warehouses
Contract warehouse operators take over
logistics responsibility from manufacturing
company
Long term relationship and customized service
Expertise of management
Shared resources with several clients
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FACTORS TO BE CONSIDERED
It is desirable to maximize the following factors-
1. Space utilization
2. Equipment utilization
3. Labor utilization
4. Accessibility of all materials
5. Protection of all materials
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FACTORS FOR IDEAL WAREHOUSES
Convenient Location
Availability Of Mechanical Appliances To Load and
Unload Goods
Adequate Space
Cold Storage Facilities
Proper Arrangement for Protection
Sufficient Parking Space
Round the Clock Security Arrangement
Latest Fire Fighting Equipment's
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DESIGN CONSIDERATION
Ideal Facility for Pure Supplier
Consolidation
(Full Pallet Movement)
Warehouse Space
Requirements
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PRINCIPLES OF WAREHOUSE LAYOUT
DESIGN
Use one-story
facilities
Move goods in a
straight line
Use efficient
materials-handling
equipment
Use an effective
storage plan
Minimize aisle space
Use maximum height
of the building
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PROCESS OF WAREHOUSE: OVERVIEW
WAREHOUSE PROCESSPut-away
•Identify Product
•Identify Product Location
•Move Products
•Update Records
Storage•Equipment
•Stock Location
– Popularity
– Unit Size
– Cube
Shipping Preparation•Packing
•Labeling
•Stacking
Order Picking•Information
•Walk & Pick
•Batch Picking
RECEIVING•Schedule Carrier
•Unload Vehicle
•Inspect for damage
INP
UT
Shipping
•Schedule Carrier
•Load Vehicle
•Bill of Loading
•Record Update
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WAREHOUSE ACTIVITIES
Receive goods
Identify the goods
Dispatch goods to
storage
Hold goods
Pick goods
Marshal shipment
Dispatch shipment
Operate an information
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• Accepts goods from
‒ Outside transportation or attached
factory & accepts responsibility
• Check the goods against an order & the
bill of loading
• Check the quantities
• Check for damage & fill out damage
reports if necessary
Receive goods
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‒ items are identified with the appropriate stock-
keeping unit (SKU) number (part number) & the
quantity received recorded
Identify the goods
Dispatch goods to storage
‒ goods are sorted & put away
Hold goods
‒ goods are kept in storage & under proper protection
until needed
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Pick goods
‒ items required from stock must be
selected from storage & brought to a
marshalling area
Marshal the shipment
‒ goods making up a single order are brought
together & checked for omissions or errors;
order records are updated
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Dispatch the shipment
‒ orders are packaged, shipping
documents are prepared, & goods loaded
on the vehicle
Operate an information system
‒ a record must be maintained for each
item in stock showing the quantity on
hand, quantity received, quantity issued,
& location in the warehouse
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REASONS FOR WAREHOUSING
To support the company’s customer policy.
To maintain a source of supply without interruptions.
To achieve transportation economies.
To support changing market conditions and sudden
changes in demand.
To support any JIT programs.
To provide customers with the right mix of products at all
times and all locations.
To ensure least logistics cost for a desired level of
customer service.
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FUNCTIONS OF A WAREHOUSING
Receiving the goods
Storing
Order Taking
Dispatch
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While designing a warehouse, a manager
ought to keep in mind these elements
Land and Building
Management and staff
Operating methods and Procedures
Equipment
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TYPES OF WAREHOUSE
General warehouse
Specific warehouse
Bonded warehouse
Bulk storage warehouse
Refrigerated warehouse
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WAREHOUSE LOCATION
Centralized warehouse
Decentralized warehouse
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CENTRALISED WAREHOUSING
Benefits:
1. It improves operating efficiency and inventory control is
felt easier and effective.
2. There is no need to carry large stock and there are no
dangers of stock outs resulting in low level inventories.
3. Transport facilities are optimally used as routing and
scheduling becomes handy.
4. The firm is better placed to meet the demand fluctuations
from different market segments at relatively short notice.
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Drawbacks:
1. It results in loss of customer service due to spatial
considerations and delays are caused.
2. The firm is deprived of its potential market share.
3. It results in heavy transport costs unless each
delivery is sizeable as the carrier has to cover long
distance.
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DECENTREALISE WAREHOUSE
Benefits:1. The firm serves the customers better positioning
the inventory in their proximity. This is the result
of maximum time utility created by it.
2. The firm is likely to effect savings in freight
charges because of bulk handling
3. It facilitates product movement by block rates
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Drawbacks:1. It adds to the administrative cost as the firm is to
manage number of warehouses distantly located
with the acute problem of maintaining high level
efficiency
2. It calls for heavy investment as the firm is to hold
inventory at different locations in larger lots.
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OBJECTIVES OF EFFICIENT
WAREHOUSE OPERATIONS
• Provide timely customer service.
• Keep track of items so they can be found readily &
correctly.
• Minimize the total physical effort & thus the cost of
moving goods into & out of storage.
• Provide communication links with customers
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• Capital costs
—Costs of space & materials handling
equipment
• Operating costs
—Cost of labor
—Measure of labor productivity is the
number of units that an operator
COSTS OF OPERATING A WAREHOUSE
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Maximize productivity & minimize cost,
warehouse management must work with the
following
• Maximize use of space
– space is the largest capital cost
• Effective use of labor & equipment
– labor is the largest operating cost
– material handling equipment is the second
largest capital cost
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FACTORS INFLUENCING EFFECTIVE USE OF
WAREHOUSES
• Cube utilization and accessibility
• Stock location
• Order picking and assembly
• Physical Control & Security -
Elements
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Cube utilization and
accessibility
‒Goods stored not just on the floor, but in
the cubic space of the warehouse;
warehouse capacity depends on how high
goods can be stored
‒ Accessibility means being able to get at the
goods wanted with a minimum amount of
work
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Cube utilization and accessibility continued…
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Stock
Location• Objectives
– To provide the required customer service
– To keep track of where items are stored
– To minimize effort to receive, put away,
and retrieve items
• Basic Stock Locating Systems
– Group functionally related items together
– Group fast-moving items together
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• Fixed Location– SKU assigned a permanent location, & no other items are stored there
– Fixed-location systems usually have poor cube utilization
– Usually used in small warehouses; throughput is small, & there are few SKUs
• Floating (Random) Location– Goods stored wherever there is appropriate space
– Advantage is improved cube utilization
– It requires accurate and up-to-date information
– Warehouses using floating-location systems are usually computer-based
Stock Location continued…
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Stock Location continued…
• Two other systems sometimes used are
– Point-of-use storage
• Inventory stored close to where it will be needed
• Used in repetitive manufacturing & JIT systems
– Central storage
• Contains all inventory in one central location
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• Advantages of Point-of-use Storage
– Materials are readily accessible to users
– Material handling is reduced or eliminated
– Central storage costs are reduced
– Material is accessible all the time
Stock Location continued…
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• Advantages of Central Storage
– Ease of control
– Inventory record accuracy is easier to maintain
– Specialized storage can be used
– Reduced safety stock, since users do not need to carry their own safety stock
Stock Location continued…
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Order Picking and
Assembly• When an order is received, items must
be obtained from the warehouse,
grouped, & prepared for shipment,
systems used
– Area system
– Zone system
– Multi-order system
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• Area system
– Order picker circulates throughout warehouse
selecting items on an order -- order is ready to ship
when order picker is finished
• Zone system
– Warehouse is divided into zones, & each picker
works only in an assigned zone -- order is divided
by zone, & the items from each zone are sent to the
marshaling area
Order Picking and
Assembly continued…
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• Multi-order system
– Same as the zone system,
except that each picker
collects items for a number of
orders at the same time
Order Picking and
Assembly continued…
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