codification 130927235606 phpapp02
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Definition:-
Systematic concise representation of equipment, raw material, tools,
spares, suppliers
Importance of Coding
Due to industrial requirement organization has to store large no. materialsTherefore there should be some mean of identifying them hence Coding is
used
Criteria for Effective Coding
Code should be Simple
Code should be unique
Coding should be compact, concise and consistent
Code should be sufficiently flexible to meet future demands
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Alphabetical Numerical Alpha-Numerical Color Code
Example
Sulphuric Acid- AC SU
Nitric Acid- AC NI
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Alphabetical Numerical Alpha-Numerical Color Code
Example
Pincode
Pan Number
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Alphabetical Numerical Alpha-Numerical Color Code
Example
Car Number
MH05 7719
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Alphabetical Numerical Alpha-Numerical Color Code
Example
Private Cars
Taxis
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Arbitrary System
Numerical System
Alpha Numeric System
Decimal System
Frisch System
Kodak System
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Arbitrary System
Items Code
Bolts 5090
Bearing 5091
Based on serial number under which material is
received
Sequence as they are added to the stores
account
Each item has discrete number
No systematic relationship to the numbers
assigned to related items
No fixed limit for codifying any number of items
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Numerical System
Assigns 6 to 10 digit codes number to each system
3 129 017 503
General Classification
1. Raw material
2. Manufacturing parts
3. Spares
4. WIP
Generic class Sub class Specific Item No.
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Alpha Numeric System
Combination of Numeric and Alphabetic nomination
P FAR BCS 503
Specific No. of bolt
Bolt, Carriage with square neck
FastenerPurchase Part
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Decimal System
Generally adopting 5 to 11 digit for codifying the materials
Class GroupType of
MaterialSpecificationSection
1st 2nd 3rd 4th 5th
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Frisch System
7 digits applied in 3 stages
Grouping is based on
Suitable Preliminary Categories:- Assemblies, Subassemblies,
Components and off the shelf item
Preliminary Categories:- Items are grouped within the respective
class in order to bring similar item together
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Kodak System
10 digit numerical data
Grouping is based on Source of supply
All the materials are divided in 100 basic classification
For example, if bolt is listed as hardware item if this is listed
in hardware catalogues & available with hardware suppliers
For example, if this bolt is available as a part of the machine,
it will be available under maintenance
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•
Result of rationalized codification reduces the no. of Items• Systematic grouping of similar items
• Avoid the confusion caused by long description of the items
• Helps in avoiding duplication of items
• Enables the easy recognition of an item in the stores
• Minimizing of clerical work
• Accurate and logical identification
•
Accurate and reliable accounting and recording• Prevention of duplication
• Avoidance of Long description of Items
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STANDARDISATION & CODIFICATION CASE
STUDY
• The problem- Railways in India
– Need thousands of parts to produce end product
– Necessary to number the parts for systemization &thus avoid
confusion
– necessary to deliver the right item in the right quantity to the right
place at the right time and at reasonable cost
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Railway’s Lead
• First in India to codify rules and procedures, stocking and purchasing, issueand disposal of stores
• No uniformity since each railways published its own nomenclature
• classified by alphabets A to F and H
• further divided into classes by adding more
alphabets or numbers.
• Eg.Ea1- parts and fittings of steam
locomotives
technical stores
• represented by letter G
• sub divided on the basis of types of stores
• Eg.Ga(small tools), Gb7(paints), Gb 1(Hardware), Gb 4 (metals). S(scrap) , R
rolling stock
general stores
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Paranjape Committee’s Recommendations
•
railways should compile and publish a catalogue ofstandardized items
• computerize inventory control
• 1967- committee appointed to examine the different systems
adopted by different railways
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Findings
• The UN - Universal system for classification of goods
• all the items of the technical to be accommodated under a
single trade group-”Transport equipment”
• Thus would entail the use of very long code number making it
cumbersome for the railways.
• Committee then considered the adoption of a fully significant
system or non-significant system or sequential system.
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Flaws
• fully significant - long code no. fully describing the item
• non-significant system – mere allotment of serial numbers
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• Railways has been allotted a code number which is also know as “PRICE LIST”
(PL)• This code represent unique identification & to all over the Railways
• Enable easy exchange of information among the 9 railway zones & 6
production units
•
3 types of codification system is used1. Fully Significant:- all the digits of the code signify some property of
the material
2. Non-Significant:- digits have no significance and one can not guess
anything about material by seeing only code no
3. Semi-Significant:-
SignificantNon
Significant
8 digit
4 digit 4 digit
Solution
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90 35 058 3
Part A Part B Part C Part D
• Part A representing the main group of stores to which the item belongs i.e.
90 which is steel items
• Part B representing sub-group i.e. 35 which is for various sizes of Mild Steel
Flats
• Part C representing the serial number of the item within the sub group
• Part D representing a special significance with reference to
computerization. This digit is unique
8 digit
Example
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