1. Mechanical Ventilation and Air Conditioning System

In the ACMV system stands for Air conditioning and Mechanical

Ventilation.

Mechanical Ventilation is the process of changing air in an enclosed

space by withdrawing the indoor air and replace it by fresh air

continuously. Fresh air is supplied by clean external source.

It uses mechanical devices like fans. In SS2 Mall, we actually

discovered an exhaust system for fire protect, which is the

pressurization fan system

Pressurization fan unit

1.1. Mechanical Ventilation in SS2 Mall.

How pressurization fan work for

fire protection

1.2. Centralized Air Conditioning System in SS2 Mall.

Air conditioning is important to maintain the thermal comfort in the

room. It control the temperature, humidity, air cleanliness and air

movement and heat radiation with mechanical means.

Besides to achieve thermal comfort, air conditioning system also

served to maintain the performance of the running machinery to

prevent it from overheat.

How is the Centralized Air Conditioning System work in SS2 Mall

1.3. Piping

(Dark Green) CWS: Condensed water

supply. To lose the heat on the

mechanical equipment.

(Light Green) CWR: Condensed water

return. To maintain the heat gained of the

mechanical equipment.

CWS CWR

(Dark blue) CHWS: Chilled Water

Supply: In the SS2 Mall, the water supply

is 25 degree Celsius to cool the

refrigerant.

(Light blue) CHWR: Chilled Water

Return: In the SS2 Mall, the hot water

return is 36 degree Celsius to the cooling

tower.

CHWRCHWS

CWS and CWR which connect the

cooling tower and chiller plant.

CHWS and CHWR which connect

the chiller plant and the AHU/

FCU.

1.4. Cooling Tower

The cooling tower creates cold water streams that runs through a

heat exchanger, to cool down the hot condenser coils (Brain, Bryant

and Elliot, 2013).

1.5. Chilled water plant

1.5.1. Refrigerant pump

1.6. Air Handling Unit (AHU)

According to Gopinath (2008), the Air

Handling Unit (AHU), is a device used to

condition and circulate air as part of a

heating, ventilating, and air-conditioning

(HVAC) system.

3. Mechanism Transportation Systemin a building refer to a system or a machine that can carry passenger and goods

from one floor to another. Basically, there are three types of mechanism

transportation system that can be found in SSTwo Mall.

Elevator

Elevator as also known as lift, it is a vertical transportation system that help to

move goods and people vertically in a building. UBBL lift shall be provided for

non-residential building which exceed 4 storeys or above (by Law 124 of UBBL

1984). 3 major types of lift are the passenger lift, service lift and fireman’s lift

(Bomba lift).

Escalator

Escalator is a moving staircase that transport passengers between floors in

building, escalator with Infrared motion sensors which stop operating when there

are no people using it.

Moving walking

Moving walking are commonly called travelator, it is a slowly moving transport

mechanism that move people across horizontal or inclined plane in short to

medium distance. Normally travelator are not use to transport for more than 2

floors as the space occupied are bigger and time taken to travel are slower

compared to elevator and escalator.

Source: http://www.saarelevo.com/basic_training_elevator_persons.html

Schematic of elevator that showing every component of a lift.

Elevator control system.

Source: http://www.electrical-knowhow.com/2012_04_01_archive.html

Schematic of escalator showing its component.

Escalator

Elevator

Source: http://www.electricalknowhow.com/2012_04_01_archive.html

Schematic of travelator showing its component.

Travelator

(Source: http://omelectricalautomation.com/category/fire-alarm-system/)

Building Services (ARC 2423)

Project 1: Case Study & Documentation of Building Services Systems

Daniel Yap Chung Kiat 0309100

Loo Giap Sheng 0310390

Teo Kean Hui 0310165

Christiody 0304191

Ho Leon 0310402

Ye Min Aung 1006A79600

4. Fire Protection System

(Source: http://qualityelectric-inc.com/blog/structured-wiring/intercom/ )

Fire Alarm System

Fire Intercom System

Active Fire Protection (AFP)

Active fire protection is a process of slowing down and protecting a building structure from

fire with mechanical mechanism such as fire sprinkler system, fire extinguisher, fire alarm

system, fire shutter door and etc. During fire emergency, all electrics will be cut off except for

the power to active fire protection system as it is a very essential system during the

emergency.

Fire Extinguisher

Fire Pump System Room

Passive Fire Protection (PFP)

Passive fire protection (PFP) is a fire protection system which integrated the constructional

fabric to the design of the building to prevent fire and smoke from moving from one

compartment to another. This is to make sure that fire will not be able to spread to other

place in a short time so that the escape routes are clear for the victims to escape.

In order to perform fire protection, fire rated partitions and doors were designed at each of

the escape route to the fire staircases. Besides the prevention of fire and smoke escape, PFP

is also designed to delay the collapse of the building structure by the coating or the materials

used.

Passive fire protection design and the incorporated fire protection materials contributed in

protect life, secure the building structure, protect assets and etc.

Fire Rated Door

Door Closer

Labels of Fire Door

Emergency Exit Indicator

Fire Staircase Design

(Source:http://www.builderbill-diy-help.com/image-files/dogleg.gif)

2. Electrical Supply System

Electricity is one of the discoveries that have changed the daily life of everybody on the planet by providing power for mechanical

ventilation and artificial lighting in the buildings. The electrical distribution system starts from a power plant, which produces high voltage

current to consumer. During the process, called power distribution Grid, voltage rises and drops depending on function and locations.

Dry Transformer Room Low Voltage Room

Schematic of Genset

Components of electrical supply system distribution at each

floor