Alarms And Sprinklers

Front 1

What is VESDA?

Back 1

Very Early Smoke Detection Apparatus

- constantly samples air

- not prone to false alarm

- can be calibrated for minute alarm

- used in highly sensitive environments (computer/server room, hospitals etc.)

Front 2

Photo Electric (PE) Vs Ionisation Alarms (IO)

Back 2

-(IO) detects flaming fires earlier

-(PE) detects smouldering/remote fires earlier

-(IO) may not alert occupants early enough to escape safely

-Most residential fires begin smouldering

-(PE) alerts occupants in time to exit safely for both smouldering/flaming fires

-(PE) recommended by MFB & AFAC

Front 3

What are the types of detectors?

Back 3

- Heat

- Smoke

- Flame

Front 4

What are the types of Heat (thermal) detectors?

Back 4

- 'Fixed Temperature' operated

- 'Rate of Rise' in ambient temperature

Front 5

What are the different types of smoke detectors?

Back 5

- Point type

- Beam Type

- Air Sampling type

- Residential Type

Front 6

What advantages and disadvantages does a Break Glass Alarm/Manual Call Point have?

Back 6

Advantages

-Can be used outside

-Low maintenance

-simple operation

Disadvantages

-Prone to malicious use

-Requires person to be in attendance to activate

Front 7

What is the Fire Indicator Panel (FIP) 'Full Call' procedure?

Back 7

1-Report to FIP, check ASE

2-LWG/EWIS working? isolate (SO discretion)

3-Identify active circuit - status?

4-Send wordback investigation

5-Investigate appropriate area & locate active detector

6-Take appropriate action - fire or false alarm?

7-Isolate/reset circuit - as applicable

8-Reset main alarm - check ASE

9-Send w/back - fill out appropriate paperwork

10-Notify owner/manager - leave paperwork at scene

Front 8

What Does a sprinkler system do?

Back 8

1. Detects presence of fire
   
2. attacks the fire
3. contain or extinguish fire
4. Raises alarm for the occupants and the fire brigade

Front 9

Where can a sprinkler system water supply come from?

Back 9

1. Towns mains
2. Elevated private reservoirs
3. Gravity Tanks
4. Ground reservoirs with auto supply
5. Pressure Tanks

Front 10

What are the types of sprinkler systems?

Back 10

1. Wet pipes
2. Dry pipes
3. Alternate wet & dry pipes
4. Pre-action/dry pipes
5. Residential (all wet)
6. Deluge Systems

Front 11

Back 11

Front 12

What are the colours and temperatures of the sprinkler heads?

Back 12

Orange - 57 degrees

Red - 68 degrees

Yellow - 79 degrees

Green - 93 degrees

Blue - 141 degrees

Muave - 182 degrees

Black - 204 - 260 degrees

Front 13

How do you know the temperature rating of a sprinkler if it has already activated?

Back 13

1. Check sprinkler itself for temp stamp (deflector, body, fusible link)
   
2. Check temp/colour of surrounding sprinklers

Front 14

Sprinkler Installation Procedure

Back 14

1. Investigate area of activated sprinkler head. OIC to send appropriate W/Back
2. Turn off Local Warning Alarm stop cock (OIC discretion) & detail member to stand by the sprinkler installation
3. When OIC satisfied sprinkler is not needed, order main stop valve closed & drain valve open
4. When drained- replace broken sprinkler head with same colour/temp and check surrounding heads for damage
5. Close drain valve & lock in closed position
6. Open main stop valve slowly and fully. Replace strap and padlock in open position
7. Check sprinkler heads for leaks & pump up system to pressure indicated in maintenance book, or 200 - 300 kpa above mains pressure
8. Open Local alarm stop cocl ^ lock in open position
9. Check lights on ASE & verify with VKN8 if necessary

Front 15

Sprinkler System Acronyms

ASE

FIP

LWG

VMA

EWIS

MCP and BGA

VESDA

RAD

Back 15

1. Alarm Signalling Equipment
2. Fire Indicator Panel
3. Local Warning Gong
4. Valve Monitoring Alarm
5. Emergency Warning & Intercommunication System
6. Manual Call Point & Break Glass Alarm
7. Very Early Smoke Detection Apparatus
8. Return Air Duct