MINISTRY OF EDUCATION AND TRAINING
HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF ECONOMICS

GRADUATE DISSERTATION
TOPIC
APPLYING LEAN TOOLS TO IDENTIFY AND ELIMINATE WASTE IN THE
STONE PRODUCTION PROCESS AT 350T/H STONE CRUSHER AT DONG
PHONG CO., LTD.

Student

: Nguyen Ngoc Toan

Student ID

: 18124237

Course

: 2018

Major

: Industrial Management

Instructor

: M.E Nguyen Thi Mai Tram

Ho Chi Minh City, May, 2022

COMMENTS OF INSTRUCTOR
Ho Chi Minh City,… May, 2022

Instructor

i

COMMENTS OF THE COMMITTEE MEMBERS
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...

...
5S in quarry 3A
Prepared

Prepared day:

Prepare by:

Prepared day:

Nguyen Ngoc Toan

15/11/2021

0

1

2

3

Very Unacceptable

Unacceptable

Average

Good

4
Perfect

1. Check list

Score
5S

1. Sort

No.

Check item

1

Parts and Materials

2

Machines and
Equipment

3

Tools

4

Visual Control

5

Documentation

Evaluation criteria

0

1

2

Are all stock items necessary?
Are all machine and pieces of equipment
used regularly?
Are all tools used regularly?
Can all unnecessary items be
distinguished at a glance?
Are all obsolete documents purged
routinely?
Sub Total
Maximum Possible
Percent (%)

93

20

3

4

2. Set in
Order

1

Location Indicators

2

Item Indicators

3

Quantity Indicators

4

Marking of Walkways

5

Tools

Are shelves and storage areas marked
with location indicators?
Are shelves marked to show which items
go where?
Are maximum and minimum allowable
quantities indicated?
Are lines or other markers used to clearly
indicate walkways and storage areas?
Are tools arranged to facilitate removing
and replacing them?
Sub Total
Maximum Possible

20

Percent (%)

3. Shine

1

Floors

2

Machines

3

Cleaning and checking

4

Cleaning
Responsibilities

5

Habitual Cleanliness

Are floors kept clean and shiny?
Are machines wiped clean and free of
waste, water, and oil?
Is equipment inspection combined with
equipment maintenance?
Is a person responsible for overseeing
cleaning operations?
Do employees habitually sweep floors
and wipe equipment without being told?
Sub Total
Maximum Possible

20

Percent (%)

4.
Standardize

1

Improvement Memos

2

Improvement Ideas

3

Key Procedures

4

Improvement Plans

5

Operators

6

The first 3Ss

Are improvement memos generated
regularly?
Are improvement ideas being
implemented?
Are standard procedures clear,
documented, and actively used?
Are future standards considered?
Are operators adequately prepared and
appropriately dressed?
Are the first 3Ss (Sort, Set in Order,
Shine) being maintain?
Sub Total
Maximum Possible
Percent (%)

5. Sustain

1

Training

Is everyone trained in the standard
procedures?

2

Tools and Parts

Are tools and parts stored correctly?

94

24

3

Stockpiles Controls

4

Procedures

5

Activity Boards

Are stockpiles controls adhered to?
Are procedures up-to-date and reviewed
regularly?
Are activity boards up-to-date and
reviewed regularly?
Sub Total
Maximum Possible
Percent (%)

2. Grand Total

Grand Total
104

Maximum Possible
Overall Percent

95

20