The document describes a flow process chart, which is a symbolic representation that illustrates the sequence of activities within a process. It notes that there are three common types - material, equipment, and man-type charts. Various symbols are used to represent different activity types like operations, inspections, storage, transportation, and delays. A two-handed process chart is also described, which separately records the motions of both hands of a worker to analyze unwanted motions and arrange efficient sequences. An example chart is provided.

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F L O W P R O C E S S C H A R T ( M A T E R I A L T Y P E , M A I N T Y P E L E F T
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S U B J E C T : I N D U S T R I A L M A N A G E M E N T
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2. Flow Process Chart
A Flow Process Chat is
a symbolic representation
that illustrates the sequence of
activities within a process. It is
used to record and analyze the
activities that make up a process
to determine which add value
and which do not. Activities can
be any operation, inspection,
storage, transportation, and delay actions that are carried
out by an individual person, a team, a machine, a
computer system, or a combinations of all.

3. Flow Process Chart Cont….
There are three common types of flow process charts based
on what is being charted. A man-type chart shows the
activities of a person or group of people, a material-type
chart shows what happens to a product or item as it moves,
and an equipment-type chart shows the activities from the
viewpoint of the machine or equipment involved.
Activities are often recorded
along a vertical or horizontal
line using common symbols
and descriptive words. These
symbols have been accepted
by many Lean practitioners and organizations. Other
symbols can be used based on the situation.

4. Flow Process Chart Examples
The following are the explanation of each of the five
categories, along with examples listed with them:
OPERATION: Produce, add, change, or process something.
Examples: Drilling a hole in metal – Serving a customer at a
call center.
INSPECTION: Checking of items to ensure correct quality
and/or quantity.
Examples: Checking for defects – Measuring the dimensions
of a product – Counting received products – Getting feedback
from a customer.
STORAGE: The storing of something until later time.
Examples: Storing of finished goods in a warehouse – Storing
of supplies received in a storeroom as inventory.

5. Flow Process Chart Examples cont….
DELAY: The temporary waiting of something or somebody.
Examples: The time spent waiting for maintenance and repair
activities – The time the customer spent waiting in a queue.
TRANSPORT: The movement of people, materials, or other
items between locations.
Examples: A forklift moving pallets from a warehouse into a
loading bay – A customer walking from sales floor to cashier.
Other symbols can be used based on the situation.

6. Parts of a Flow Process Chart
A particularly useful feature of the chart is that it can be drawn up as the process is happening. Thus
you can follow a part around a factory floor, for example, noting how and when it is machined, stored,
moved, etc.
The table below shows many of the symbols that may be found in Flow Process Charts.

7. How it works
The Flow process Chart is a simple half-text, half-picture method of showing the steps in a
process, using symbols to indicate the type of action being taken and text to give details of
the action. The chart can selectively be used to show what happens to selected people,
materials or equipment.
Symbols indicates
types of action
Text description give detail of action
•Get invoice from document drawer
•Complete invoice of goods
•Take completed invoice to account dept
•Wait for transcription and printout
•Sign for completion of work
•Take final invoice to post room

8. How it works cont…
 Identify the process to be charted and the objective for charting it.
 Identify the symbol set to be used.
 Record the steps of the process as it happens, starting at the top of
the page, with symbols on the left overlaying a vertical line with
appropriate notes about what is happening to the right. Try to record
significant activities which are generally of approximately equal size
(unless the problem is at the detail level, do not try to capture too
much detail).
We can also make the diagram more useful by such tricks as
numbering the different action types in sequence (for example so you
can see how many times the item under examination was moved) and
changing the direction of movement arrows to show input or output
activity. You can also put the time taken in each activity to the left of
the symbol.

9. How it works cont…
 If we are watching the process as it happens, we may want to repeat
the analysis several times to ensure that we have captured the normal
chain of events.
 Analyzing the final chart, for example the total times taken in non-
value-adding activities such as storage, movement and inspection.
Using the Flow Process Chart

10. Example
The following example shows a flow process chart and a process chart for
processing an invoice after received by the supplier. The process begins after
receiving the invoice and ends with paying the supplier.
The following table is the process chart summary, which is useful to estimate key performance metrics.

11. Two-handed Process Chart (or) Right Hand, Left
Hand Chart
 It is the process chart in which the activities of two
hands of the operator are recorded.
 Motions of both hands of worker are Right hand-
Left hand chart recorded independently.
 It shows whether the two hands of the operator are
idle or moving in relation to one another, in a
timescale.
 It is generally used for repetitive operations.

12. Two-handed Process Chart cont…
The objective of this investigation is to eliminate or reduce the
unwanted motions and to arrange the remaining motions in a best
sequence.
A two-handed process chart is made up of two columns in which the
activities of the left hand and right hand and the appropriate symbols
are respectively recorded in sequence.
 The activities of the two hands are inter-related by aligning the symbols
on the chart so that movements by both hands appear opposite to each
other.
 Additional columns can be designed to record the activities of the other
parts of the body whenever necessary.

13. Two-handed Process Chart cont…
Operation: An operation occurs when the hand grasps, releases or
assembles tool, material, component etc.
Transport: Transport occurs when the hand moves from one position to
another at the work place.
Delay: Delay occurs when the hand is Idle in the sense that it is not
performing any activity.
Hold The term storage is not used in connection with the two handed
process chart. Instead the symbol is re designated as hold. A hold occurs
when the hand holds an object so that the other hand may be able to do
something to that object.
Inspection This symbol is not generally used in this

14. A Two-Handed Process Flow Chat Example

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