The document discusses fire protection systems and HVAC systems at Subang Parade. For fire protection, it describes components like smoke detectors, fire alarms, and sprinklers. Many of these systems are over 30 years old and showing problems like dust, corrosion, and expired equipment. HVAC issues include loud noises from equipment, dirty air diffusers causing improper airflow, and lack of maintenance. Regular maintenance of both systems is recommended to improve safety, efficiency and indoor air quality.
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Abang Azrin Bin Abang Affandi
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Goh Jeng Jhieh
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Kellyann Hiew Yau Mei
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Fire prevention and control systems - Fire alarms - Electrical alarm circuits -Smoke extraction and ventilation -Gas extinguishers - Types of detectors - Gas installation and components.
Bachelor of Quantity Surveying (Honours)
Building Services 2 Presentation
Tesco Extra at Mutiara Damansara
Members:
Abang Azrin Bin Abang Affandi
Chua Jia Cheng
Goh Jeng Jhieh
Jake Sia Chyi Sern
Kellyann Hiew Yau Mei
Muhammad Aiman Bin Zainul Abidin
Rachel Emma Betty Ernesta
Fire prevention and control systems - Fire alarms - Electrical alarm circuits -Smoke extraction and ventilation -Gas extinguishers - Types of detectors - Gas installation and components.
Fire prevention and control systems – Fire alarms – Electrical alarm circuits – Smoke extraction and ventilation – Gas extinguishers – Types of detectors – Gas installation and components.
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5. Smoke detector
• Smoke detector detects and sense smoke
• Optical smoke detectors are used in Subang Parade
• Optical smoke detector operates using ultraviolet
light, a light beam collimating system and a lens or a
sensor.
6. Manual fire alarm activation
• Manual fire alarm activation is a call point for raising
an alarm manually if there’s a fire or emergency
conditions exists.
Break glass fire call point
manual pull station
7. Fireman intercom system
• Fireman intercom system provides direct
communication between the remote telephone
handset and the master telephone handset which
located at the fire control room.
Master control console at fire control room Remote handset station
8. Fire control room
• Fire control room is required for all commercial
buildings and apartment buildings
• a room for control panel to monitor the building’s fire
protection systems, fire pump, air-handling systems,
communications and elevator controls.
9. Fireman’s switch
• Fireman’s switch is a specialized switch disconnector
• Allows firefighters to quickly disconnect high voltage
electricity in case of fire or the prevent overheated
equipment from exploding.
11. Fire pumping system
• Fire pumps are usually located in pump room which
is close to the fire tanks
• Component : duty pump, jockey pump, standby
pump and water tank
12. Fire pumping system
• Pumps maintain the correct pressure in the
distribution systems
• Duty pump and jockey pump powered by electricity
while standby pump powered by diesel
13. External Fire hydrant system
• consists of a system of
-pipework connected directly to the water supply
mains
-an external connection point
Long pillar three-way fire hydrant
15. Fire extinguisher
• Fire extinguisher used to put out
small fires during emergency
situations.
• It’s portable and minimal in gross
weight that allow to carry easily by
the user.
• Dry powder fire extinguishers which
effective on Class A, B and C fires
are used in Subang Parade
17. Fire Rated Door
• Fire rated door are door that has
approved and rated from third-
party and able to withstand fire for
a specific period.
18. Smoke Extraction system
• Smoke extraction system in fire escape staircase
used to extract the smoke
• Increase the visuality of the user and provide longer
period to escape.
19. Heat, Ventilation and Air-Conditioning System
Of Subang Parade.
Mechanical VentilationNatural Ventilation
21. Centralized System
•Suitable for huge or high-rise
building
•A plant room is needed
•Included compressor, condenser,
evaporator.
22. Cooling Tower
•Located at the rooftop of Subang
Parade
•Total of 3 units of cooling tower
•The water is directly supplied from
Syabas.
•The chilled warm water will
discharge back to the chiller room
24. AHU Room
•70 units of AHU
•Supply chilled air to interior
space
•Temperature sensor
25. Diffuser
•reduce the velocity and increasing the
static pressure of the air passes through
a system
•Linear design
• won’t affect and interfere with
the interior design
28. Electrical supply system
• Electrical supply system is the conveyance of
electricity from the power station to costumer’s
premises.
• In Malaysia, Tenaga National Berhad (TNB) is the
electric utility that provide electricity to Subang
Parade.
• Subang Parade received 11kV from the local
substation and using its own transformer to step
down the voltage to 400/230V.
29. Vacuum circuit breaker
• one of the circuit breaker
• vacuum is used as the arc
quenching medium
• designed to protect an electrical
circuit from damage caused by
excess current
30. Transformer
• Is a static machine used to
transform electrical energy
between two or more circuits
through electromagnetic
induction.
• It steps down the voltage from
11kV to 415V and then
transferred to main
switchboard for distribution.
31. Main switchboards
• is a device that transmits
electricity and divide the main
current into smaller currents for
further distribution control of
current
32. Distribution board
• known as panel distribution panel,
electric panel or panel board.
• Its function is similar with the main
switchboard.
33. Electrical backup system - Generator
• Diesel generators are used in Subang
Parade.
• Combination of a diesel engine and
electric generator to generate
electrical energy.
35. Produce loud noise
• The compressor, cooling tower,
condenser and evaporator of
the building produces very loud
noises.
• These loud noises could
indicate potential or existing
equipment damage. It may
also arise from a broken fan or
a piece of loose ductwork.
Condenser
36. Produces loud noises
Compressor
•Compressor produces loud, clanking
noises
•Indicating it might be loose
•Might have broken or out of balance
blades
•Hits on other components causing
damage to the system.
37. Produces loud noises
• The source of noise is from
motor noise, fan noise and
water noise.
• Water splashing
continuously from induced
draft counterflow.
• The solutions could be
having two speed motors
or variable speed drives.
Cooling Tower
38. Dirty, clogged air diffuser
• A diffuser normally has
profiled blades to direct the
air at an angle as it enters
and leaves the unit into the
space.
• When air is pushed out of
these diffusers, it creates
turbulence, which picks up
and deposits dust particles
onto the ceiling as well as
onto its own metal surface.
Linear Diffuser
39. Dirty, clogged diffuser
• After a long period of time, the opening
of the diffuser starts to accumulate tiny
dust particles which may affect the air
flow rate.
• Dirty and worn diffusers can force the air
conditioning unit to work harder, which
increases energy costs and reduces the
life of the system.
• Dirty diffusers may also create poor
indoor air quality
Side-wall inlet diffuser
40. Improper air balance
• Certain areas are cooler, while some
other areas are warmer.
• Causes: failure of the dampers to
regulate the flow of air in the ducting
system.
• When the dampers fail to perform, the
distribution of cooled air will be
inconsistent and tend to create
improper air balance in different areas
or rooms.
41. Lack of Maintenance
• HVAC systems require regular maintenance in order
for its system to function effectively and efficiently
• The return diffusers are very dirty. Plenty of dust
particles can be spotted on its surface. It is clear that
the dust has been deposited and accumulated for
quite some time already and no maintenance effort
or cleaning has been made.
• The compressors, condensers and evaporators in the
building produce very loud noises. They also ignite
and operate slower than normal HVAC system.
43. 1.1 Age of Fire Protection System
• Fire protection system of Subang Parade is over 30 years.
• The functionality of an aged fire alarm or detection system can be compromised.
• Even in applications where systems are nor regularly exposed to harsh conditions, the
typical life span of control equipment and smoke detectors is only approximately ten
years, due to natural deterioration.
• The process of locating antiquated parts for deficient systems, or finding
supplementary parts that will mesh with old systems to bring them up to standard, can
be extremely time consuming and can distract plant staff from their principal duties.
• To manage the old systems, it needs to tap into resources that have the knowledge
and experience to inspect and test the systems, can conduct a comprehensive
analysis about the condition of the system and can provide all of the relevant details
in a succinct manner so that plant staff can make informed decisions about the future
of their systems.
44. 1.2 Fire Alarm System
• Most of the fire alarm bell in Subang Parade
seem to be old and worn out which put
many in doubt whether it can work or not.
• In this situation, operation of fire alarm may
occur in an abnormal condition.
• It will be the problem in providing warning of
the outbreak of fire such as insufficient
delivering high sound pressure output for fire
signalling needs.
• Smoke detectors have a life span which is
around ten years. It needs to replace to
prevent the insufficient operation.
45. 1.3 Sprinkler System
• Some sprinklers are covered by a layer of
dust.
• This might result in a fake alarm to occur or
disturb the operation within the building.
46. 1.3 Sprinkler System
• There are also some
sprinklers are
corroded.
• The corrosion of fire
system pipe may
cause a sprinkler
system to fail and
also result in
leakage.
47. 1.4 Expiry date of fire extinguisher
• Fire extinguisher shall replace with a new one once
the expired fire extinguisher has been expired.
• If use an expired fire extinguisher it wont show
expected performance as it will leak the gas over
the time.
49. Schedule of Maintenances
Schedule maintenance annually.
Sufficient air flow from the system and prevent dust particles from blocking the air
flow.
Save energy usage by reducing energy consumption to supply air flow through
the system.
Arrange a proper schedule suitable for the maintenance of the HVAC system.
The schedule should not be placed during the working period where activities are
progressing such as painting, renovations and etc
50. Cont’d
Maintaining HVAC system will increase the life expectancy of HVAC equipment
and improve indoor air quality of the building.
Regular check-ups and service can prevent most of HVAC performance
problems because service technicians could identify and correct issues that
prevent HVAC equipment from performing as designed
51. HVAC Sound
✔ Most of sound generated due some form of vibration from
component
✔ Figure out the factors that cause noise in HVAC system to
come out a solution.
✔ Replace worn-out component in the system or replace the
whole system.
Preventive that can be taken to avoid such problem:
✔ Have periodically check-up
✔ Make update as required
✔ Having a regular maintenance schedule.
52. Dirty Diffuser
• Dirty diffuser may indicate air quality issue in the building
• Dirt particles can be composed of both natural and man-made materials such as dust,
smoke, greasy fumes, lint and pollen.
•Areas with heavy foot traffic contributing to dirt of diffuser
Way to prevent diffuser dirty:
✔ Regular cleaning by using chemical substance once a week
✔ Find out the level of pollution
✔ If the space is polluted, regular cleaning on the goods item in the space are required.
54. Fire Extinguisher
The way to improve the fire extinguisher:
✔ Serviced and inspected by a fire protection company annually
✔ Proper training on way to use the fire extinguisher correctly
✔ Take attention about the expiry dates
✔ Regular check to ensure that there is no leakage cause by
breakage or rusting
✔ Model of fire extinguisher should be keep updated
55. Manual Call Point
Call points should be positioned at the height of between 1.2m to 1.6m high from
the floor and it should be clearly easier to locate.
The maximum distance that an occupant should have to travel in order to
activate a manual call point is 45 metres.
Regular maintenance by testing once a week by the user.
56. Cont’d
Test a manual call point during working hours to ensure that the control panel and
alarm sounders operate smoothly.
As for each week, test a different manual call point at different location to ensure it
work effectively.
57. Fire Alarm System
Maintenance of fire alarm system is compulsory to ensure the fire alarm system
operate effectively at all times.
Regular testing and inspection is required to ensure that the fire alarm works well.
Scheduling maintenance:
• Daily Checks -Checks to ensure system is operating normally. Rectify and record any
faults found
• Weekly Tests -Checks to ensure that the signal of monitoring station are functioning,
battery and voltage conditions, rectify and record any faults
58. Cont’d
• Monthly Tests -Restore all the zones fault conditions, check and ensure that power
supply, indicator, alarm outputs are regulating correctly, rectify and record any
indication of fault.
• Yearly Tests -All monthly tests, test all detectors over as many zones as possible such
that all detectors will be check over a 5-year period, examine the interlocking
circuits, observe and clean dirty detectors, rectify and record any indication of fault.
61. • 20% higher compact size then
water chiller
• Cold air or rooftop distribution
system=additional dehumidification
effects & fan energy saving
• Reduced electrical distribution
• Electricity generated at night
generally has a lower heat rate
• No moving parts , hence very little
maintenance is required