1. QUALITY CONFORMANCE
AWARENESS TRAINING
CADANGAN PEMBANGUNAN PANGSAPURI YANG MENGANDUNGI: -
- 1 BLOK PANGSAPURI 47 TINGKAT (468 UNIT) DI ARAS 1 HINGGA ARAS 47,
- 4 TINGKAT TEMPAT LETAK KERETA DI ARAS P1 HINGGA P4,
- RUANG KEMUDAHAN DI ARAS TANAH,
- 1 UNIT BILIK PANGSAPURI PEMAJU DI ARAS BUMBUNG,
DI ATAS LOT 30357, JALAN SERI WANGSA 2, OFF JALAN 34/26, MUKIM SETAPAK, KUALA LUMPUR., UNTUK
TETUAN SUNWAY AVILA SDN. BHD.
2. • Achieve Zero Reworks by:
• Creating awareness of the work methodology and
best practices
• Implementing modular coordination and 3 S
principles (simplicity, standardization and single
integrated element) to enhance workability and
build-ability
• Continuously re-examine and re-engineer work
processes
• Improve customer satisfaction
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3. •Section 1 - Common Non-conformance
by Resident Staff by Contractor
•Section 2 - Best Practices
by Contractor
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Dented conduit
Corrective Action
To find out the dented area
Preventive Action
To make sure concrete spacer
block is provided around all those
weak point and monitor closely
before concrete casting
6. 1
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Concrete blocked
inside the conduit
Corrective Action
To chip off the concrete
inside conduit
Preventive Action
To ensure that the embedded
junction box is sealed up
before installation
8. INSTALLATION OF CONDUIT
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(Conduit embedded in slab )
Start
Setting out for conceal boxes & junction boxes
Laying of Conduits
Support of Conduits
Carry out inspection for conduit installation
Continue another construction activity
10. 1
10
Make sure that insides of
junction box is sealed with
masking tape in order to
avoid any blockage during
concreting
Junction box shall be firmly
fixed onto the formwork by
nail or screw & gap between
junction box 25mm
(Fixing of conduit accessories)
Pre-Installation Of Conduit
11. 1
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1.3. Jointing of conduit
accessories and pipes shall
be glued by solvent cement
Installation Of Conduit
13. 1
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Installation Of Conduit
(Making bends of conduit pipes)
All bends are to be set by the bending
spring. Maximum 2 nos of 90 deg bend
for one conduit pipe route from one box
to another
15. POST INSTALLATION OF CONDUIT
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(Support of laying of conduit)
The conduit pipe shall
be installed so as not to
affect the soundness of
building structure.
Minimum 25mm gap in
between two parallel
pipes routing
Min 25mm
16. POST INSTALLATION OF CONDUIT
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The conduit pipe shall be
firmly tied to rebar or BRC
by steel wire so as to stay in
position during concreting
Concrete spacer block shall
be used to lift up the BRC to
ensure concrete coverage
around the conduit
(Support of laying of conduit)
17. PRE-INSTALLATION OF CONDUIT
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The small groove
shall be provided
with cutter and
chisel to
accommodate the
conduit pipe and
outlet box
Making of groove line
(Conduit Embedded In Brick Wall )
19. INSTALLATION OF CONDUIT
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The height of embedded
outlet box shall be transferred
from surveyor’s reference datum
points
1000 mm FFL offset line
Switch is 1450 mm
from FFL
20. POST INSTALLATION OF CONDUIT
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The conduit pipe and outlet
box shall be fixed to the wall by
mortar cement
Inside of the outlet box shall
be filled with paper or polyform
prior to plastering work
(Support And Protection )
22. INSTALLATION OF CABLE & TESTING
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Start
Find out all the embedded junction boxes
Route cable according to the approval shop
drawings
Carry out insulation resistance testing (Meggar Test)
Distribution Board Installation (DB)
Carry out continuity test for all lighting and S/S/O points
28. POST-INSTALLATION OF CABLING
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Megger testing
to the insulation
resistance of
cables.This is to
detect any short
circuit within
phase to phase
(Cables Testing )
37. 1
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Good Practice
Proper junction box are provided
so as do not affected the
soundness of building structural
Bad Practice
No end boxes for embedded
conduit
39. 1
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GOOD PRACTICE BAD PRACTICE
External door bell switch socket
is lined with silicone sealant to
prevent water from seeping into
the switch.
External door bell switch socket
installed without the lining of
silicone sealant. Water may sip
into the switch.
40. 1
40
GOOD PRACTICE BAD PRACTICE
Switch socket outlets are fixed
abutting each other and properly
aligned.
No visible gaps in between the
switch socket outlets.
Switch socket outlets are fixed
apart of each other and non-
aligned.
Visible gaps in between the
switch socket outlets.
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41
GOOD PRACTICE BAD PRACTICE
MATV socket outlet abutting
switch socket outlets is of
identical size and design.
MATV socket outlet abutting
switch socket outlets is of
different size and design.
42. 1
42
GOOD PRACTICE BAD PRACTICE
Marking on DB panel MCB
(miniature circuit breaker) for
easy identification of the circuit.
No marking or indication on DB
panel MCB for identification
43. 1
43
GOOD PRACTICE BAD PRACTICE
Diagrammatic layout of power
and lighting points is pasted on
the inner face of flap door of DB.
Ease of convenience for
reference.
Diagrammatic layout of power
and lighting points is not
pasted on the inner face of flap
door of DB
Inconvenient to refer in case of
breakdown.
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GOOD PRACTICE BAD PRACTICE
Electrical cables of different
color-code are used for different
functionalities (i.e. live, neutral
and earth).
Compliance with IEE
Regulations.
Electrical cables of same color-
code are used for different
functionalities (I.e. live, neutral
and earth).
Non-compliance with IEE
Regulations.
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GOOD PRACTICE BAD PRACTICE
Electric wires were terminated
with plastic connectors.
Electric wires were terminated
without plastic connectors.
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GOOD PRACTICE BAD PRACTICE
Concealed switch socket
outlet box at correct depth.
Maximum thickness for wall
plastering is 8mm if the
original screws for the switch
socket outlet are used.
Switch socket box concealed too
deep into plastered wall. Substitute
screws of different lengths have to
be used instead of original screws.
Cracks or chips around conceal
switch socket outlet difficult to
repair. Gaps/holes will be visible
after installation of switch socket.
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GOOD PRACTICE BAD PRACTICE
UPVC conduits are tied to BRC
weld mesh which is suspended
by concrete spacer blocks, thus
ensuring minimum concrete
coverage of 50mm.
UPVC conduits are laid directly
on formwork and not tied to
BRC weld mesh.
Partially concealed conduits on
the soffit may be damaged
during the installation of ceiling
tee suspension system.
Function failure
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GOOD PRACTICE BAD PRACTICE
Conceal UPVC conduits for
electrical services are placed
vertically with minimum spacing
of 25mm apart. This allows
sufficient concrete coverage
around conduits.
Conceal UPVC conduits for
electrical services are placed
vertically next to each other
This deters the minimum
concrete coverage around
conduits.
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GOOD PRACTICE BAD PRACTICE
Portable concrete cutter and
manual chisel are used to chase
masonry walls to conceal
electrical conduits. Ensures
better control over the depth of
chases and minimize damages
to masonry walls.
Mechanical hacker may cause
damages to masonry wall: ie
loosening of bricks.
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GOOD PRACTICE BAD PRACTICE 6 Nov 06
Additional aluminium plate for
holding switch socket backing
box concealed at RC wall. The
switch socket box will not off
set or displaced during
concreting.
Switch socket backing box
tied to BRC within the
aluminium formwork. The
switch socket box may be
displaced or run out of
location during concreting.
