Workmanship and Mutual Understanding

1. Workmanship
& Mutual Understanding

2. Workmanship
• Total Productive Maintenance (TPM);
• One of the wasteful activitiy where waste in
maintenance occurs that Lean maintenance needs to
focus on: Rework – Having to repeat tasks, or do
additional tasks, as a result of poor workmanship.
• ISO 9001;
• To improve workmanship due to the competitive
demand for quality projects and infrastructure in the
market.

3. Mutual Understanding
• Common sense
• sound, practical judgment concerning everyday matters, or a
basic ability to perceive, understand, and judge in a manner
that is shared by nearly all people.
• Common knowledge
• is knowledge that is known by everyone or nearly everyone,
usually with reference to the community in which the term is
used.
• Mutual understanding is needed to bridge the gap
between common sense and common knowledge

4. Example 1
Use metal epoxy to patch hole.

5. Example 1
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Case
Close
Visually
hideous
CS: Should be
smoothly
applied
CK2: None
MU: Shall
patch leak
hole
CK1: Hard to
apply
smoothly on
rough surface

6. Example 2
Cut own sheet gasket.

7. Example 2
Case
Close
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Not
completely
round
CS: Should be
round
CK2: Not
according to
standards
MU: Shall act
as a gasket
CK1: No
effect
because only
required at
raised face

8. Example 3
Insulate pitch piping.

9. Example 3
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Not
completely
covered
CS: Should be
fully covered
CK2: Heat
escapes,
safety issue
MU: None
CK1: Cannot
re-use old
cover because
of design
changes
Case
Open

10. Example 4
Replace cylinder for mixer’s door.

11. Example 4
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Shaft
protrusion
length
different
CS: Should be
same length
CK2: Build up
stress
differential
on door
hinges
MU: None
CK1: No
effect on
function
Case
Open

12. Example 5
Cut own sheet cover and stick with tape

13. Example 5
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Not
visually
pleasing
CS: Should
be as
original
CK2:
Spend
more time
to fabicate
MU: Shall
cover
exposed
pipe
CK1: No
proper
tools
Case
Close

14. Example 5
Install pipe insulation

15. Example 5
CS: Common Sense, CK: Common Knowledge, MU: Mutual Understanding
Visually
hideous
CS: Should
be as
original
CK2:
Spend
more time
to repair
MU: None
CK1: Need
proper
tools
Case
Open

16. End