MAPEL SISTEM DAN INSTALASI REFRIGERASI P

PERFORMANCE ASSESMENT
NAME

: ………………………………………..

CLASS

: XI PTU ….

Section
Overall

A

Sub - Criteria Name or
Description
Safety Component

Bends

Tube Lengths & Positions


Silver Brazing

B

C

1
2

always use safety glasses when required
always use safety gloves when required

3
4

tools & equipment in safe condition
always use safe work practice

For Objective Assessment Only

requirement or
add (extra aspect
maximum
nominal size
information)
yes
2
yes
2
yes
2
yes
2

5

work area always clean and tidy

yes


No

A.1

A.2

A.3

Aspect - Description

Is the bend at 45°

Overal length

complete solders ring with no drop of soldering or too much of soldering

Bends

B.1


Is the bend at 45°

Tube Lengths & Positions

B.2

Overal length

Silver Brazing

B.3

complete solders ring with no drop of soldering or too much of soldering

Bends

Is the bend at 90°

Tube Lengths & Positions


Overal length

Silver Brazing

complete solders ring with no drop of soldering or too much of

2

Very Good
Acceptable
Not Acceptable
Very Good

0-1 degree
2-3 degree
>3 degree
90 mm ± 2mm

1
0.5

0
1

Acceptable
Not Acceptable
100%
80 to 99%
less than 80%
Very Good
Acceptable
Not Acceptable
Very Good
Acceptable
Not Acceptable
100%
80 to 99%
less than 80%
Very Good
Acceptable
Not Acceptable

Very Good
Acceptable
Not Acceptable
100%

90 mm ± 4mm
90 mm ± > 5mm

0.5
0
0.5
0.25
0
1
0.5
0
1
0.5
0
0.5

0.25
0
1
0.5
0
1
0.5
0
0.5

0-1 degree
2-3 degree
>3 degree
90 mm ± 2mm
90 mm ± 4mm
90 mm ± > 5mm

0-1 degree
2-3 degree
>3 degree

100 mm ± 2mm
100 mm ± 4mm
100 mm ± > 5mm

Multiply
Factor

score

Total

2
2

10

*1
*1
*1
*1


2

*1

2

2

6
*2

2

*2

2

*2


2

Section

Sub - Criteria Name or
Description

No

Aspect - Description
soldering?

D

E

F

G

Flaring

Burrs been removed, correct size and no split

Tube Lengths & Positions

Overal length

Silver Brazing

complete solders ring with no drop of soldering or too much of soldering

Flaring

Burrs been removed, correct size and no split

Bends

Is the bend at 180°

Tube Lengths & Positions

Overal length

Silver Brazing

complete solders ring with no drop of soldering or too much of soldering

Flaring

Burrs been removed, correct size and no split

Tube Lengths & Positions

Overal length

Silver Brazing

complete solders ring with no drop of soldering or too much of soldering

Bends

Is the bend at 90°

Tube Lengths & Positions

Overal length

For Objective Assessment Only
requirement or
add (extra aspect
maximum
nominal size
information)
80 to 99%
0.25
less than 80%
0
Very Good
1
Acceptable
0.5
Not Acceptable
0
Very Good
133 mm ± 2mm
1
Acceptable
133 mm ± 4mm
0.5
Not Acceptable
133 mm ± > 5mm
0
100%
0.5
80 to 99%
0.25
less than 80%
0
Very Good
1
Acceptable
0.5
Not Acceptable
0
Very Good
0-1 degree
1
Acceptable
2-3 degree
0.5
Not Acceptable
>3 degree
0
Very Good
145 mm ± 2mm
1
Acceptable
145 mm ± 4mm
0.5
Not Acceptable
145 mm ± > 5mm
0
100%
0.5
80 to 99%
0.25
less than 80%
0
Very Good
1
Acceptable
0.5
Not Acceptable
0
Very Good
133 mm ± 2mm
1
Acceptable
133 mm ± 4mm
0.5
Not Acceptable
133 mm ± > 5mm
0
100%
0.5
80 to 99%
0.25
less than 80%
0
Very Good
0-1 degree
1
Acceptable
2-3 degree
0.5
Not Acceptable
>3 degree
0
Very Good
180 mm ± 2mm
1
Acceptable
180 mm ± 4mm
0.5

Multiply
Factor

score

Total

Section

Sub - Criteria Name or
Description

No

Aspect - Description

Silver Brazing

complete solders ring with no drop of soldering or too much of soldering

Tube Lengths & Positions

Overal length

Silver Brazing

complete solders ring with no drop of soldering or too much of soldering

Flaring

Burrs been removed, correct size and no split

Tube Lengths & Positions

Overal length

Flaring

Burrs been removed, correct size and no split

overall

Pressure Test

there No leaks when pressure tested to 1050 kpa or 150 Psig

overall

Finish

Are the tubes straight?

H

I

Are the tubes still round, not oval and without dents?
Has the specimen been cleaned and polished?

For Objective Assessment Only
requirement or
add (extra aspect
maximum
nominal size
information)
Not Acceptable
180 mm ± > 5mm
0
100%
0.5
80 to 99%
0.25
less than 80%
0
Very Good
70 mm ± 2mm
1
Acceptable
70 mm ± 4mm
0.5
Not Acceptable
70 mm ± > 5mm
0
100%
0.5
80 to 99%
0.25
less than 80%
0
Very Good
1
Acceptable
0.5
Not Acceptable
0
Very Good
70 mm ± 2mm
1
Acceptable
70 mm ± 4mm
0.5
Not Acceptable
70 mm ± > 5mm
0
Very Good
1
Acceptable
0.5
Not Acceptable
0
Yes
No
yes
0.5
no
0
yes
0.25
no
0
yes
0.25
no
0

Multiply
Factor

score

Total