chapter 2 building services

95
CC608 BUILDING SERVICES CHAPTER 2 CHAPTER 2 FIRE SAFETY & FIRE SAFETY & PREVENTION SYSTEM PREVENTION SYSTEM

Upload: nur-ain-zainuddin

Post on 22-Jan-2016

170 views

Category:

Documents


2 download

DESCRIPTION

abesdn

TRANSCRIPT

Page 1: CHAPTER 2 building services

CC608 BUILDING SERVICES

CHAPTER 2CHAPTER 2

FIRE SAFETY & FIRE SAFETY & PREVENTION PREVENTION

SYSTEMSYSTEM

Page 2: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.1 Know about fire safety and prevention system

2.1.1 Describe the sources of fire and the

spreading of the fireThree things must be present at the same time to produce fire: 1. Enough OXYGEN to sustain combustion

2. Enough HEAT to reach ignition temperature

3. Some FUEL or combustible material

Together, they produce the CHEMICAL REACTION that is fire

Take away any of these things and the fire will be extinguished

Page 3: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Fire Safety, at its most basic, is based upon the principle of keeping fuel sources and ignition sources separate.

Fire Triangle

Page 4: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

HEAT SOURCES FUEL TYPE• Electrical• Chemical reactions• Static electricity• Gas compression• Spark• Nuclear heat• Friction• Lightning• Mechanical heat• Flame

• Solid materials (Combustion solids) Wood, paper, cloth etc.

• Flammable Liquids (Combustible Liquid)Petrol, Paints, diesel, methanol, ethanol etc.

• Flammable gas (Combustible Gases)Hydrogen, Methane, Butane, Carbon Monoxide etc.

• Metallic materials (Combustible Matals)Potassium (Potassium), Sodium (Sodium), Calcium Magnesium etc.

Page 5: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Fire Tetrahedron

In order for fire to occur four things must be present, Oxygen, Fuel, Heat, and a Chemical Chain Reaction. This is represented by the Fire Tetrahedron.

When any of the four items are removed, the fire will go out.

Fire extinguishers function by removing one of the four components of the Fire Tetrahedron.

Page 6: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

There are 4 classes of fireClass AOrdinary combustibles or fibrous material, such as wood, paper, cloth, rubber, and some plastics.

Class BFlammable or combustible liquids such as

gasoline, kerosene, paint, paint thinners and propane.

Class CEnergized electrical equipment, such as appliances, switches, panel boxes and power tools.

Class DCertain combustible metals, such as

magnesium, titanium, potassium, and sodium.

Page 7: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Flammability limit (Had kebolehbakaran)

Flammability limits are divided into two :

1. Lower flammability limit (LFL) (Had keboleh bakaran bawah )

2. Upper flammability limit (UFL) (Had keboleh bakaran atas )

Factors influencing flammability limits

1. Environmental conditions

2. Temperature

3. Gravity

4. Pressure

Page 8: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Factor caused of fire

1. Natural Factors

A fire due to natural disasters such as drought, volcanic

eruption.

2. Accident Factors

A fire because of carelessness, negligence or human

error itself.

3. Deliberately Burned Factor

A fire because human actions either intentionally burned

or arson.

Page 9: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Fire is spread by four methods:

1.Convection (Olakan Haba)

2.Conduction (Pengaliran/Konduksi)

3.Radiation (Pancaran/Radiasi)

4.Direct ignition (Terus Menerus)

Page 10: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 11: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

This type of heat transfer occurs only in liquids and gases. The

heat from the fire can heat the air, to a very hot temperature.

Hot air will always rise and it will flow under the ceiling of a room

spreading the heat from the fire.

This is the main way in which a fire spreads throughout a house.

When a fire is burning large amounts of hot gases and smoke are

produced.

These will travel through the house in hot air currents often

igniting more combustible materials causing the fire to spread.

Convection

Page 12: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

• Pemindahan haba yang berlaku dalam benda mudah alir seperti secair atau gas.

• Cecair atau gas yang panas akan naik ke atas dan gas yang sejuk akan turun ke bahagian bawah secara pusingan.

• Jika kebakaran di dalam bangunan, gas-gas yang panas ini akan naik bersama-sama asap melalui bahagian lubang tangga, lubang lif dan sebagainya.

Page 13: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Conduction

• This type of heat transfer occurs inside materials, typically solid materials. The heat from the fire is passed from molecule to molecule along the length of the material.

• The fire will generally follow the heat or sometimes the heat from conduction may cause a new fire to ignite elsewhere. Certain materials are better than others at conducting heat.

• Most metals conduct heat easily and quickly and they are called conductors, alternatively certain plastics are very poor at conducting heat and they are called insulators.

• In houses, walls between rooms are built from materials which are good insulators this helps to keep the heat in the room on a Winter's night and helps to slow the rate at which fires spread through houses.

Page 14: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

• Haba bergerak melalui bahan-bahan pengalir seperti logam, batu, simen dinding bangunan dan lantai.

• Bahan pengalir ini akan menjadi panas dan jika bahan api.

• yang bersentuhan dengannya maka suhunya akan naik dan sampai ke suhu nyalaan, ia terbakar dengan sendirinya.

Page 15: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Radiation

• In this form of heat transfer, the heat does not travel through a material

like conduction nor does it flow through air or liquid currents like

convection. It simply travels in rays similar to sunrays, in straight lines

away from the fire.

• The heat from the rays can be absorbed by combustible materials which

causes them to heat up and perhaps ignite. The main principle of

radiation is: the closer the material is to the fire the more radiated heat

it will receive. Certain materials such as concrete do not allow radiation

to pass through them. Therefore materials like concrete are good

construction materials to help prevent fires spreading through houses or

to nearby buildings. Radiated heat from a burning building can in some

circumstances give rise to fire in a nearby building.

Page 16: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

• Pemindahan haba yang

mengikut gelombang cahaya

daripada kebakaran tersebut.

Kepanasan akan berkurangan

apabila jarak daripada punca

kebakaran berjauhan.

• Boleh bergerak melalui kaca

tingkap dan apabila bahan api

mendapat haba secara

bahangan, suhunya akan naik

dan jika sampai suhu nyalaan, ia

akan terbakar.

Page 17: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Direct ignition

• This is the easiest way to spread the fire.

• Combustible materials are burned because the fire if it is

easily spread through contact with each other.

Page 18: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Fires can spread by means of:•Direct ignition - Open flames, lightning, lighted cigarette butts, hot

ashes

•Radiation - Sun rays, lighting bulbs, radiators

•Convection - Overheating, smoke and heated air

•Conduction - Heating elements, hot metals

Page 19: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.1 Know about fire safety and prevention system

2.1.2 Explain fire prevention system in a building

Fire prevention is an early step actions that must be taken to

prevent the fire from occurring and also the first step to prevent

new fires started (Infant stage) from spreading to a level that can

be controlled again (uncontrollable stage).

To provide adequate protection from fire hazard to building

occupants and reduce damage to property.

Structural elements of a building that is able to perform its

functions on its own or require assistance to curb or restrict the

spread of smoke and the fire in the building during a fire.

Page 20: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 21: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Fire Prevention Equipment •Fire prevention equipment is currently installed fire alarm systems regularly and automatically operates in the buildings. Despite this there is also a building or premises using a manual system to warn of fire.

•Fire prevention equipment in the building or premises installed categorized into 2 types:

1. Active protection.Fire protection systems are installed permanently in the building to

prevent, control and fire fighting manually or automatically.

2. Passive protection.Fire protection systems available on the structure of a building which

serves to restrict the spread of the fire and smoke that residents have shelter, use it as a way out and a safe house equipment and firefighters when fighting fires

Page 22: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

PASSIVE

Passive Fire Protection

1. Security exit (Jalan Keluar Keselamatan)

2. Partitioning (Pemetakan)

3. Interior finishing and ceiling (Kemasan dalaman dan

siling)

4. Ventilation and lighting (Pengudaraan dan

pencahayaan)

5. Fire fighting access (Akses menentang kebakaran)

STRUKTUR BINAAN

BANGUNAN

Page 23: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

1. Security exit (Jalan Keluar Keselamatan)

Alternative means of escape to be made possible for every building. Single staircase & dead ends are allowed under certain conditions.

Means of escape to direct a shortest route to a safety place, e.g. to the outside of the buildings or to the protected areas leading to the outside of the buildings.

Generally means of escape consists of two parts:

a.Unprotected areas, leading direct to exit. b.Protected areas, leading direct to exit.

Page 24: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

a.Horizontal exitJalan keluar daripada sesuatu petak bangunan ke petak bangunan bangunan bersebelahan pada paras yang sama.

Jalan Keluar Mendatar

Page 25: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

b. Vertical exitStruktur di dalam bangunan digunakan untuk menyelamatkan diri keluar daripada tingkat atas ke tingkat bawah.

Page 26: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

c. Final exitTempat keluar terus ke jalan, laluan atau tangga terbuka dimana penghuni selamat daripada kebakaran atau asap

Page 27: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Syarat-Syarat Jalan Keluar

Kelebaran dan sais tidak berkurangan sepanjang laluan

Bebas dari halangan

Pintu rintangan api

Tanda KELUAR dan lampu kecemasan

Semua bukaan tidak dibenarkan kecuali bukaan pintu rintangan api

Pengudaraan dan pencahayaan cukup

Page 28: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

TANGGA TANGGA

PEJABAT

PEJABATPEJABAT

PEJABATPEJABAT

BILIK

M&E

LOBI

DILINDUNG

LIF

LIF

KK KEL EL

EL EL

EL

Page 29: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 30: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Jalan Keluar Menegak

Jalan Keluar Terakhir

Jalan Keluar Mendatar

Page 31: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2. Partitioning (Pemetakan)Terdapat empat jenis dinding pemetak:-

1. Dinding pangsa (Ruj. UUK 136, 138, 148)

Merupakan satu struktur yang dibina khas bagi pemisahan. Hendaklah dibina dari bahan yang mempunyai tahap ketahanan api (TKA) tidak kurang dari setengah jam. Contohnya ruang pejabat yang dipisahkan dengan setor atau bilik-bilik lain.

2. Lantai petak (Ruj. UUK 136, 138, 148)

Merupakan pemisah antara dua tingkat dengan kedudukan mendatar dan mempunyai ukuran tertentu serta dapat menahan api dalam jangka masa tertentu (Ruj. UBBL 1984 Jadual V). Sebab-sebab dinding pangsa dan lantai petak diperlukan adalah kerana:

(a)Apabila terdapat pelbagai jenis bahaya dan risiko dalam sesuatu bangunan tersebut.

(b)Apabila isi padu, ketinggian & keluasan sesebuah bangunan itu melebihi had yang ditetapkan.

(c)Mengambilkira kedudukan dan reka bentuk struktur bangunan..

Page 32: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Bumbung Galeri Dinding pemetakan

Lantai petak

Lantai tahan beban

Lantai Dinding luar

Alang & rasuk

Page 33: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

3. Dinding Dua Pihak (party wall)

Tebalnya 200 mm dibuat daripada batu padat atau konkrit dan terbahagi kepada dua lapis berasingan, setiap satu tidak kurang dari 100 mm tebal jika dibina pada masa-masa berlainan.

a.Dengan syarat rumah pangsa atau teres adalah daripada konkrit tetulang atau bingkai keluli dimana lantai dan bumbungnya dibina mengikut kehendak undang-undang kecil ini. Ketebalan dinding dua pihak tidak kurang daripada 100 mm.

b.Dinding dua pihak bagi rumah satu tingkat boleh dibina daripada batu padat atau konkrit bawa beban 100 mm tebal dengan syarat kehendak-kehendak bahagian V, VI & VII Undang-Undang Kecil ini dipatuhi.

c.Pembinaannya hendaklah dilanjutkan ke bahagian atas permukaan bumbung sejauh tidak kurang daripada 230 mm pada sudut tepat dengan permukaan atas.

Page 34: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Dinding Dua Pihak (Party Wall)

Page 35: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

4. Pintu Rintangan Api

Adalah pintu yang mempunyai darjah ketahanan api minimum tidak kurang dari setengah jam (1/2 jam) mengikut standard yang diuji.

Ribet pada bingkai pintu atau pada penahan pintu mengikut mana yang berkenaan tidak kurang daripada 18 mm.

Engsel-engsel yang dipasang pada pintu hendaklah mempunyai takat lebur tidak kurang dari 800 darjah Celsius.

Pintu itu boleh tertutup sendiri.

Tujuan diadakan pintu rintangan api selain dari kegunaan biasa, ia digunakan untuk:

i. menahan api dan asap dari merebak dari tempat bermula kebakaran ke bahagian lain dalam bangunan.

ii. melindungi lubang terlindung daripada perebakan api dan asap secara

menegak.

Page 36: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

900 mm

2100 mm

Tidak melebihi 0.065 m/per.

Ketebalan 6 mm Kaca Berdawai Georgia

Set Penutup Pintu

Kelegaan maksimum 10 mm

Set Kunci

200 mm

Ensel

PINTU RINTANGAN API

FFL

Page 37: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

3. Interior finishing and ceiling Kekemasan dalaman dan siling

Definasi

•Adalah permukaan dalam yg terdedah tetapi tidak terhad kpd dinding, dinding sekat, tiang dan siling yg tetap atau yg boleh dialihkan.

•Antara komponen yg dilarang dilapik dgn bahan mudah bakar adalah lobi terkawal, tangga keselamatan, ruang laluan antara lobi dan tangga. Jika dilakukan , keadaan yg sebegini akan menyebabkan kesusahan dan bahaya kpd penghuni dan anggota bomba apabila berlaku kebakaran.

Page 38: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

4. Pengudaraan dan Pencahayaan (Ventilation and brightness)

Definasi

Adalah satu sistem bagi menjamin keselamatan penghuni keluar drp bangunan semasa menyelamatkan diri apabila berlakunya kebakaran

Tujuan diadakan

i.Memberi pengudaraan kepada jalan2 keluar keselamatan spt tangga keselamatan, lobi melawan kebakaran dan koridor terlindung

ii.Mengelakkan kemasukan asap ke dalam kawasan terlindung

iii.Mengurangkan kemerebakan kebakaran disebabkan oleh asap

iv.Menerang kegelapan dan beri pandu arah semasa proses pelepasan diri semasa kecemasan

Page 39: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Jenis Pengudaraan

•Pengudaraan biasa spt tingkap, lubang udara dan struktur bangunan terbuka

•Pengudaraan mekanikal spt Exhaust fan, portable smoke extractor dan sistem isi tekan.

Pencahayaan

•Merupakan satu unsur sokongan kpd perlindungan pasif di mana ia dpt membaerikan cahaya kpd semua laluan keselamatan ke semua arah dan tempat laluan keluar yg ditandakan

•Keadaan sebegini akan membantu penghuni dan anggota bomba utk mencari jalan keluar / masuk dgn selamat terutama semasa kebakaran

Page 40: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

5. Fire fighting access Akses Menentang Kebakaran

Ruang akses menentang kebakaran

Satu ruang yg terpisah drp tingkat yg menggunakanya oleh binaan yg mempunyai tahap ketahanan api sekurang2nya ½ jam dan boleh dilalui terus drp sesuatu tangga menentang kebakaran dan lif bomba serta mengandungi pancur basah / kering.

Jalan Akses perkakas bomba

Adalah satu jalan atau ruang yg membolehkan jentera bomba dpt menghampiri bangunan dan boleh menampung keberatan tertentu utk tujuan melawan kebakaran dan menyelamatkan nyawa.

Page 41: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Kel el

Protected lobby or stairs to be pressurised

Self contained emergency light for stairs, corridors and protected lobby

el

el

elK

el

Page 42: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

ACTIVE

Sistem perlindungan kebakaran dipasang tetap pada

bangunan atau premis merangkumi tiga cara

tindakan untuk MENGESAN & MEMBERI ISYARAT,

MENGAWAL dan MEMADAM KEBAKARAN.

Page 43: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Jenis Perlindungan Aktif

1.Alat pecah kaca.

2.Alat pengesan haba.

3.Alat pengesan asap.

4.Sistem pemasangan sprinkler.

5.Sistem pemasangan pancur ( riser)

6.Sistem pili bomba (hyderant)

7.Sistem gas CO2.

Page 44: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

1. Alat pecah kaca.Alat ini beroperasi secara manual iaitu dengan cara memecahkan kaca pada sistem ini apabila dikesan oleh orang ramai. Apabila kaca pada kotak ini dipecahkan, ia melengkapkan litar elektrik dan menghasilkan bunyi loceng amaran bagi menandakan ada kebakaran di zon dimana kaca tersebut dipecahkan. 

Gambaran alat penggera jenis pecah kaca

Gambaran loceng kecemasan kebakaran

Page 45: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2. Alat pengesan haba. Alat ini beroperasi secara automatik. Ia akan mengaktifkan sistem amaran kebakaran apabila mengesan haba atau suhu tertentu diperingkat awal kebakaran.

Gambaran alat pengesan haba automatik

Page 46: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

3. Alat pengesan asap. Alat ini juga beroperasi secara automatik. Ia juga berperanan untuk mengaktifkan sistem amaran kebakaran apabila mengesan sejumlah asap yang tertentu. 

Gambaran alat pengesan asap automatik

Page 47: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

4. Sistem pemasangan sprinkler.Ianya bertujuan untuk mengawal kebakaran pada peringkat awal dengan cara semburan air yang bertekanan khusus kepada zon / kawasan yang terbabit. Sistem ini dihubungkan dengan penggera kebakaran. Ia bertindak secara automatik

Gambaran kepala springkler Gambaran pam-pam sistem springkler

Page 48: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

5. Sistem pemasangan pancur ( riser)Terdapat dua jenis pancur iaitu Pancur basah dan Pancur kering.Sistem pancur kering diadakan untuk kegunaan pasukan pemadaman kebakaran samada dari Jabatan Bomba dan Penyelamat atau skuad pemadaman bangunan atau premis untuk mengawal dan memadam kebakaran dibangunan tinggi yang lebih daripada 18.3meter dan tidak melebihi 30.5 meter tinggi.

Page 49: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Sistem pancur basah diadakan untuk kegunaan pasukan pemadam kebakaran samada dari Jabatan Bomba dan Penyelamat atau skuad pemadaman bangunan atau premis untuk mengawal dan memadam kebakaran dibangunan tinggi yang lebih daripada 30.5 meter tinggi.

Gambaran Pam-Pam Sistem Pancur Basah

Gambaran Injab

Pelantar

Gambaran Injab Masuk

Page 50: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

6. Sistem pili bomba (hyderant)Terdapat 3 jenis hydran, iaitu hydran gedung, hydran halaman dan hydran kota. Hydran gedung ditempatkan dalam gedung, untuk hydran halaman ditempatkan di halaman, sedangkan hydran kota biasanya ditempatkan pada beberapa titik yang memungkinkan Unit Pemadam Kebakaran suatu kota mengambil cadangan air.

Page 51: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Gambaran Skematik Pili bomba disambung terus ke sistem bekalan air awam

Gambaran Skematik Pili bomba bekalan air tersendiri

Page 52: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

7. Sistem gas CO2. Carbon dioxide is an inert gas used for putting out fire.

It does this by displacing the oxygen that is necessary for combustion.

Because it is a gas, care must be taken to ensure that fresh air is not allowed to interfere during the process of putting out a fire.

Carbon dioxide is particularly useful when dealing with electrical fires.

Carbon dioxide flooding system is used for switch rooms containing high voltages.

If there is a fire in these rooms, it is rather dangerous for the firefighters to handle.

The rooms will contain live and high voltage electrical supplies.

The transformers may contain oil that can burn or explode.

The only sensible thing to do when fighting this type of fire is to close off all the air and displace it with carbon dioxide.

With no oxygen available, the fire will eventually die off

Page 53: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Sistem gas CO2.

Page 54: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.1 Know about fire safety and prevention system

2.1.3 Identify the types of the fire extinguisher Portable fire extinguishers are your best defense against a

small fire. Fire extinguishers for home use are not intended to fight large or spreading fires. All fire extinguishers are labeled for the classes of fire they are intended to put out.

There are three classes of fires. All fire extinguishers are labeled using standard symbols for the class of fires they can put out. A red slash through any of the symbols tells you the extinguisher cannot be used on that class of fire.

Page 55: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

A B C D

Ordinary

Combustibles

Combustible

Metals

Flammable

Liquids

Electrical

Equipment

The four main classes of fires and extinguishers used in building are:a) Class A – common combustiblesb) Class B – flammable liquidsc) Class C – energized electricald) Class D – combustible metals such as magnesium and sodium

Page 56: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Class AFire that result from in ordinary combustible such as wood, paper, fabric and other ordinary materials.Class BFor fire involving flammable liquids such as petrol, oil, diesel, paint and etc

Class CSuitable for use on fire caused by flammable gases such as butane, Methane and etc

Class DDesigned for use on flammable metals and are often specific for the type of metal in question. e.g. sodium, titanium, magnesium & potassiumClass ESuitable for use on electrically energized fires. Combustion of circuit breaker, wires, outlets, and other electrical equipment

Page 57: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

EXERCISES 2.1Identify four main classes of fires and extinguishers used in building.

Page 58: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 59: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Extinguishing Medium

Medium Identification

ColourClasses of fire

Water Red Class A

Foam Cream Class A & B

Carbon DioxideCO2

Black Class B, C & E

Halon Green Class E

Dry Powder Blue All types of fire

Page 60: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

KELAS APIJENIS

KEBAKARANBAHAN-BAHAN

APA YANG DIGUNAKAN

KELAS A Pepejal

i. Kayuii. Kainiii. KertasDll

i. Jenis airii. Debu Keringiii. Buih

KELAS B Cecairi. Minyakii. Varnishiii. Cat dll

i. Foamii. Debu Keringiii. Carbon Dioxideiv. Air secara

semburan

KELAS C Elektrik

Gas & Wap

Semua jenis elektrik

i. Butanaii. Propaneiii. LPGiv. Avatalane dll

i. Debu Keringii. Foamiii. Carbon Dioxideiv. Air secara

semburan

KELAS D Logam

i. Potassiumii. Sodiumiii. Calsiumiv. Magnesium dll

i. Debu Keringii. Soda Ashiii. Debu Graphite

Page 61: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 62: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 63: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.2 Understand the rules of fire prevention

2.2.1 Describe the rules of the fire prevention

determined by the Malaysian Fire Department

and Building By Law

Page 64: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Akta 341 (AKTA PERKHIDMATAN BOMBA 1988)

•Akta Perkhidmatan Bomba atau dikenali sebgai Akta 341 mula

berkuatkuasa pada 1 Januari 1989. Ianya diwujudkan hasil daripada

laporan Jawatankuasa Pegawai-Pegawai Bomba untuk mencari jalan

dan langkah-langkah bagi melawan kebakaran di kawasan luar Wilayah

Persekutuan yang dipengerusikan oleh Dato’ Yahya Bin Abdul Wahab.

•Penubuhan Akta Perkhidmatan Bomba adalah bertujuan untuk

melindungi manusia dan harta benda daripada risiko kebakaran dan

tujuan-tujuan lain yang berkaitan dengannya seperti :

Page 65: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

i. Memberi kuasa kepada Pegawai Bomba dalan menjalankan

tugas.

ii. Melindungi dan menjaga kebajikan Pegawai Bomba

iii. Perlindungan kepada Pegawai Bomba

iv. Tatasusila dan lain-lain.

Page 66: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

KANDUNGAN AKTA PERKHIDMATAN BOMBA 1988/AKTA 341

(a)Apa-apa pengubahan menyalahi undang-undang pada mana-mana bangunan yang mungkin menjadikan pelepasan diri dari mana-mana bahagiannya sekiranya berlaku kebakaran pada matannya lebih sukar atau kurang mudah daripada yang sepatutnya jika pengubahan itu tidak dibuat.

Contohnya:1.Pembangunan bangunan rumah kedai yang dibuat berdasarkan Undang-Undang Kecil 194     (Undang-Undang Kecil Bangunan Seragam 1984 telah ditukar maksudnya kepada Pusat Tuisyen atau Sekolah Swasta atau Hospital Persendirian tanpa membuat apa-apa pindaan struktur seperti keperluan tambahan jalan keluar kedua.

2. Menukar pintu rintangan api pada kurungan tangga kepada pintu jenis biasa atau menambah pintu lain yang boleh menyebabkan ianya sukar untuk digunakan semasa kecemasan.

Page 67: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

3. Memasang kunci tambahan pada pintu keluar bagi melepaskan diri dari kebakaran dan membiarkan terkunci semasa keadaan biasa.

4. Menggantikan selak kecemasan kepada kunci lain bagi pintu keluar tempat perhimpunan awam.

5. Menambah atau mengubah pemetakan dalaman satu-satu bangunan yang mewujudkan jalan mati melebihi had atau menyebabkan tiada jalan keluar kedua sebagaimana asalnya.

  6. Merobohkan dinding kurungan tangga menjadikan sebagai tangga terbuka dan

terdedah kepada bahagian dalam bangunan.

Page 68: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

(d) Adanya didalam atau diluar mana-mana bangunan apa- apa kelengkapan menentang kebakaran atau pepasangan keselamatan kebakaran atau apa-apa kemudahan yang dipasang mengikut kehendak-kehendak mana-mana undang-undang bertulis atau sebagaimana  dikehendaki oleh Jabatan Perkhidmatan Bomba yang tidak berada dalam keadaan baik.

Contohnya:

1.Pemasangan sistem salur bantu mula lengkap dengan pama-pam dan tangkinya cukup bekalan airnya tetapi gelendong hosenya tersembunyi disebalik timbunan barang-barang atau tersorok olih apa-apa kerja perhiasan.

2.Pemasangan sistem sesembur air outomatik dimana didapati telah dibina rak barang-barang yang tinggi sampai keparas diflecter kepala springler itu menyebabkan tiada head clear sebagaimana diperlukan minima 30 inci.   

Page 69: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

3. Pemasangan sistem pancur kering atau basah dimana didapati injap masuk pasukan bomba telah terhalang atau terlindung atau tersembunyi.

4. Lif-lif tidak berfungsi sebagaimana sepatutnya apabila berlaku kecemasan kebakaran atau semasa suiz Lif Pasukan Bomba digerakkan atau semasa ketiadaan bekalan kuasa letrik biasa.

Page 70: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Akta 133 (AKTA JALAN, PARIT DAN BANGUNAN 1974) UBBLPihak berkuasa Negeri adalah mempunyai kuasa untuk membuat undang-undang kecil bagi atau berkenaan dengan tiap-tiap maksud yang difikirkan perlu olehnya bagi menjalankan peruntukan-peruntukan Akta ini dan bagi menetapkan sesuatu perkara yang dibenarkan atau dikehendaki ditetapkan di bawah Akta ini, dan khususnya dan tanpa menyentuh keluasan perkara yang tersebut di atas bagi atau berkenaan dengan segala atau mana- mana daripada perkara-perkara yang dinyatakan di bawah ini :

(xxi) langkah-langkah bagi mencegah kebakaran, bagi mencegah merebaknya kebakaran dan bagi memadamkan kebakaran; Undang-undang kecil itu boleh termasuk:

Page 71: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

a. peruntukan-peruntukan supaya bahan-bahan bangunan terdiri daripada bahan-bahan merintang api dan supaya bahan-bahan rintangan api itu digredkan;

b. peruntukan-peruntukan berkenaan dengan cara-cara pembinaan dan rekabentuk sesuatu bangunan supaya bangunan terselamat dari kebakaran;

c. peruntukan-peruntukan bagi mengadakan kemudahan-kemudahan untuk keluar daripada sesuatu premis jika berlaku kebakaran dan bagi menyenggara kemudahan-kemudahan itu;

d. peruntukan-peruntukan bagi mengadakan penahan api dan langkau-api;

e. peruntukan-peruntukan berkenaan dengan ekses ke premis bagi pasukan bomba jika berlaku kebakaran dan termasukjalan ekses di dalam sesuatu bangunan bagi maksud-maksud memadam kebakaran;

f. peruntukan-peruntukan bagi menggantiudara bangunan-bangunan bagi maksud membuang gas dan asap yang mungkin disebabkan oleh sesuatu kebakaran;

Page 72: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

g. peruntukan-peruntukan bagi kelengkapan memadamkan kebakaran secara manual dan otomatik kedua-duanya dan mengadakan pengesan-pengesan kebakaran dan penggera kebakaran dan menyenggaranya.

h. peruntukan-peruntukan bagi bekalan air yang cukup bagi maksud-maksud memadamkan kebakaran;

i. lain-lain langkah bagi mencegah kebakaran dan merebaknya kebakaran;

Page 73: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

DESIGN REQUIREMENTS: BASE UBBL

Codes and Standard UBBL Clouse 225/ 227

Referring to Uniform Building By – Law 1984 (UBBL) all amendments up to February 1991 in PART VIII , Fire alarm, Fire Detection, Fire Extinguishment and Fire Fighting Access.

225.(1)Every building shall be provided with means of detecting and extinguishing fire and with fire alarm together with illuminated exit signs in accordance with the requirements as specified in the Tenth Schedule to these By- laws.

227.Portable Extinguisher shall be provided in accordance with the relevant codes of practice and shall be sited in prominent positions on exit routes to be visible from all directions and similar extinguisher in a building shall be of the same method of operation.

Page 74: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.2 Understand the rules of fire prevention

2.2.2 Outline the fire prevention proceduresi. Check the location of fire alarms and know how they work.

ii. Learn your building evacuation plan.

iii. Know where your two nearest exits are located. Learn how doors swing and where stairs lead.

iv. Make sure nothing blocks fire pulls, extinguishers and emergency exits.

v. Learn the sound of your building fire alarm.

vi. Post emergency numbers (including security and first aid) near your telephone.

vii. Make sure you know what to do if the fire alarm sounds. Plan your escape.

Page 75: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 76: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.3 Learn on the fire appliances symbols

2.3.1 Draw the fire appliances symbols in escape route

for a building Exits Primary and Secondary

Routes Accessible Routes Areas of Refuge Manual Alarm Boxes Portable Extinguishers Occupant Use Hose

Stations Fire Alarm annunciators

and controls Map Legend

Page 77: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 78: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

EXERCISES 2.2Draw the fire appliances symbols in escape route for a building

Page 79: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 80: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.3 Learn on the fire appliances symbols

2.3.2 Indicate fire appliances symbols in a building

plan

Page 81: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 82: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 83: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 84: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 85: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

Page 86: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.4 Understand of losses caused by fire

2.4.1 Describe several losses cause by fire

There are several losses caused by fire :

a) Loss of life (Death).

b) Loss of property.

c) Loss of money.

d) Injury

Page 87: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

EXERCISES 2.3Describe several losses cause by fire as shown at below.

a) Loss of life (Death).

b) Loss of property.

c) Loss of money.

d) Injury

Page 88: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.4 Understand of losses caused by fire

2.4.2 Identify the fire preventive

Kebakaran dapat dielakkan dengan:

Mengasingkan, memisahkan bahaya atau hazard berkekalan atau bahan mudah terbakar seperti pepejal, cecair, gas, kimia logam dan risiko-risiko berpunca dari haba, kimia, elektronik percikan kilat, mekanikal dan nuklear.

Page 89: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

“GOOD HOUSEKEEPING”

Mengasingkan bahan-bahan mudah terbakar daripada punca api atau mengendalikannya dalam keadaan teratur dan selamat.

Page 90: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

MENCEGAH KEBAKARAN DI RUMAH

Padamkan api mancis dan puntung rokok sepenuhnya.Elakkan daripada meninggalkan dapur semasa memasak.Jangan menggunakan soket elektrik berlebihan.Jauhkan bahan yang mudah terbakar daripada kanak-kanak.Letakkan bahan mudah terbakar di tempat yang sepatutnyaSebaik-baiknya memasang alat pengesan asap.

Page 91: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

MENCEGAH KEBAKARAN DI TEMPAT-TEMPAT KERJA

•Jangan berada dalam bangunan yang mempunyai muatan berlebihan.•Letakkan alat pemadam api di tempat yang senang diambil apabila berlaku kebakaran.•Pastikan alat pemadam api dalam keadaan baik dan elok.•Jangan meletakkan barang-barang yang boleh menghalang pintu kecemasan.•Jangan mengunci pintu kecemasan.

Page 92: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

MENCEGAH KEBAKARAN DI TEMPAT AWAM

•Pastikan pokok-pokok tidak menghalang pendawai eletrik.•Adakan kemudahan–kemudahan yang selamat untuk pembuangan sampah.•Pastikan jentera dan perkakas Bomba boleh menghampiri bangunan untuk tujuan menyelamat mangsa dan melawan kebakaran.

Page 93: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

2.4 Understand of losses caused by fire

2.4.3 Explain the awareness of fire safety

LATIHAN KAKITANGAN•Arahan atau penduan bertindak semas kecemasan diadakan.•Latihan menggunakan alatan kebombaan di bangunan.•Latihan menyelamat diri apabila berlakunya kecemasan.

PERSEKITARAN ATAU KESELAMATAN•Pintu atau pagar masuk tidak dicerobohi.•Bebas dari sampah sarap , rumput-rumpai dan lain-lain halangan.•Kawalan keluar masuk hari pekerja atau hujung minggu atau hari pelepasan.•Pemeriksaan routine di hujung hari bekerja.

Page 94: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM

PENGASINGAN ATAU PEMBUANGAN SISA

•Sisa atau bahan buangan dialihkan dengan kerap atau berjadual. •Takungan titisan minyak minyak (Drip Tray) dikosongkan.•Sediakan bekas pembuangan atau tong sampah bertutup.•Mesin yang mengeluarkan sisa halus atau tajam.•Pembuangan pneumatic atau pembuangan sisa cara mekanikal.

PENSTORAN

Pengstoran barang-barang yang tidak teratur boleh membawa kepada kebakaran dan mengahalang pasukan bomba mencari punca kebakaran dan menghalang keberkesan tindakan sistem seperti penyembur air automatik.

Page 95: CHAPTER 2 building services

FIRE SAFETY & PREVENTION FIRE SAFETY & PREVENTION SYSTEMSYSTEM