part b workbook 2 sample - frconline.co.uk

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Part B Building Regulations

Fire Safety

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We would wish to thank all the organisations that provided course material for their permission in using this material of their products and other specialist in their field for their assistance in producing the content for the course

David Ware has more than 30 years’ experience in Fire Safety and has focussed his knowledge and experience in producing the content for this course. He has a first class honours degree in Fire Engineering and is a Fellow of the Institute of Fire Engineers.

The aim of this course is to enable the student to be able to determine the five functional requirements of Part B. It will go through all the functional requirements in turn and give examples of how to determine their requirements. You will then go through exercises to demonstrate understanding and view the model answers.

Fire Risk Consultancy Limited Acknowledgements

Author

Aim of Course

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This workbook has been produced to supplement the online course “Building Regulations Part B”. The workbook is broken down into a number of modules. The candidate simply works through the modules whilst watching the online course.

The candidates will each be given an individual log in with an individual password. They will have access for the duration of their apprenticeship to complete all the core modules and the other selected modules. There are a number of self-assessment tests at the end of each module to confirm understanding.

Further information

If you require any further information, please contact us

www.frconline.co.uk

[email protected]

Tel 01832 710770

Introduction

Assessment

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Page

Module 1 Building Regulations Part B

Module 7.1 Introduction 42

Module 7.2 B1 Means of Escape 44

Module 7.3 B2 Internal fire spread (Linings) 136

Module 7.4 B3 Internal fire spread (Structure) 138

Module 7.5 B4 External fire spread 157

Module 7.6 B5 Access and Facilities for the Fire Service 241

Contents

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This module explain the steps involved in approving the fire safety aspects of building work and

the interaction between building regulations and other statutory fire safety requirements in

England and Wales.

It aims to ensure that developers and designers will be able to receive all the fire safety

information relevant to Building Regulations and other statutory approvals in time to avoid

abortive work. If followed there should be no need for extra building work to be done at the end

of a building project, before the building can be occupied for its intended purpose

Module 7-1

On completion of this module you will have a good understanding of:

Building regulations Material alteration Liaison between bodies Consultation The approvals process

Module 1.1 Introduction

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To confirm your understanding of the module, now attempt the questions below. Once completed you can view the model answers at the back of the workbook

1. What are the five functional requirements of building regulations?

2. What are the 3 fire safety approaches available to the designer?

3. Who are the parties that should consult when passing plans to comply with building

regulations?

4. Even if there is no formal requirement to consult, consultation may still be desirable in

which cases?

5. Article 35 provides for appeals to a magistrates’ court, what must be clearly set out

regarding the provisions of the Order in issue?

Module 1.1 Revision

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This module goes through all the steps required to demonstrate compliance with B1 Means of

Escape utilising Approved Document B and BS9999 Fire Safety in the Design, Management

and Use of Buildings. It covers both horizontal and vertical escape requirements.

The Ten Step Guide Politicians Only Trust Enemy Politicians So We Prevent Further Enemies Step One Purpose group Step Two Occupant capacity Step Three Travel distances Step Four Exit number and width Step Five Protections of escape routes Step Six Staircase number Step Seven Staircase width Step Eight Protection of staircases Step Nine Final exit width

Module 1-2 B1 Means of Escape

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Step Ten External escape routes

This module goes through all the steps required to demonstrate compliance with B1 Means of

Escape utilising Approved Document B and BS9999 Fire safety in the Design, Management and

Use of Buildings. It covers both horizontal and vertical escape requirements.

Module 1-2-1


Measurements Occupant capacity Area of building Height of building

..

Module 1-2-2


Means of Escape introduction History Meeting B1 Unit Exit Width Travel Distances Acceptable Means of Escape Unacceptable Means of Escape

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Module 1-2-3


Adequate Fire Alarm Escape Lighting The Ten Step Guide to Means of Escape to ADB Step One Step Two Step Three Step Four

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Module 1-2-4


Step Five Protection of corridors Small Premises Progressive horizontal evacuation

Module 1-2-5


Step six and Step seven Simultaneous Evacuation Discounting

Module 1-2-6


Phased evacuation

Module 1-2-7


Step 8 protection of stairways Step 9 Final Exits Step 10 External escape routes

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Module 1-2-8


Determining the Means of Escape to BS9999 The Ten Step Guide Step One Step Two

Module17-2-9


Step three - Travel distances Step Two

Module 1-2-10


Step Four - Exits

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Module 1-2-11


Exercises Licensing

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Module 1-2-12


Step Five - Protection of corridors Seven step guide to staircases

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Module 1-2-13


Phased evacuation

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Module 1-2-14


Exercises 74 -83

Module 1-2-15


Phased evacuation exercises

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Module 1-2-16


Vertical Escape - Article of consideration

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Module 1-2-17


Step 8 - Protection of stairs Step 9 - Final Exits Step 10 - External escape routes.

Module 1-2-18


Management of Fire Safety Exercises using the ten step guide

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Determine the number of occupants

Exercise 1

Determine the number of occupants to be evacuated in the following examples?

Module 1.2 Revision

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Exercise 2


Exercise 3


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Exercise 4


Exercise 5


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Exercise 6

Determine the number of people that can be accommodated by the number of exits shown in the following?

Exercise 7


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Exercise 8


Exercise 9


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Exercise 10


Exercise 11


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Small premises

If the premises match the definition and criteria to be considered a small premises then a reduction in the number of exits and stairs can be applied. Below is a checklist to assist you in determining whether a premises can be determined as a small premises.

Small Premises Checklist

1. Is it defined as a “Small premises” ?

Max basement, ground and first floor

Single occupancy

Kitchen or open cooking remote from exits

No storey over 280m2

Yes proceed to Q2 No – Normal ADB requirement

2. Is it defined as a Bar or restaurant?

Yes proceed to Q3 No Proceed to Q4

3. Does it meet the following criteria?

Less than 30 people on each storey

Or 100 people on ground floor if independent escape route

Yes proceed to Q5 No Normal ADB

4. Are the premises used for storage and or sale of highly flammable materials or liquids?

No proceed to Q5 Yes Normal ADB

5. Are the premises in a covered shopping mall?

No proceed to Q6 Yes Consult BS9999

6. Is the construction undivided?


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7. Is the storeroom enclosed or one not present?


8. Does the inner room have automatic fire detection or a vision panel or there is no inner room?


9. Is the stair protected?

Yes proceed to Q10 No Proceed to Q11

10. Does the stair comply with the travel distances in table 5?

No Normal ADB Yes Layout to comply with diagram 18

(Must be a protected stair if the premises are used as a restaurant or bar)

11. Do the premises comprise more than 2 storeys?

No Diagram 22 applies Yes Diagram 23 applies

Determine if the following premises can be termed “Small premises” and therefore benefit from reductions in the number of exits and stairs?

Exercise 12

A 2 storey office with storey floor area of 270m2. The premises are used for the sale of flammable substances.

Exercise 13

A building consisting of basement, ground and first floor. Each storey is 200m2 and on the 2nd floor there is an unenclosed storeroom.?

Exercise 14

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A building consisting of basement, ground and first floor. Each storey is 290m2 and on the 2nd floor there is a restaurant with seating for 30 people.?

Exercise 15

A shop consisting of ground and first floor with a floor area of 270m2. There are 30 people on the first floor and the ground floor can accommodate 90 people. The ground floor has its own independent escape route and the staircase is unprotected. The travel distance to the staircase on the first floor is 17m and the ground floor is 20m

Exercise 16

A 2 storey restaurant comprising of 88m2 with an open kitchen on the first floor. The premises have a single unprotected staircase which discharges within 3m from the staircase. The travel distance to the staircase on the first floor is 16.5m

Exercise 17

A 3 storey office consisting of ground, first and second storey each 90m2. There is a single protected staircase and the travel distance to each staircase is 16m

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Vertical Escape

Exercise 18

Determine the occupancy for a 3 storey office each floor covering 644m2

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Exercise 19

Determine the occupancy for a 4 storey office each floor covering 710m2

Exercise 20

Determine the occupancy for a 3 storey shop each floor covering 800m2

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Exercise 21

Determine the occupancy for a 4 storey building with top 2 floors being used as an

office and lower 2 floors used as shop, all floors occupy 1100m2

Exercise 22

Determine the occupancy for a 8 storey office building with a conference facility on the

third floor, all floors cover 1200m2 Sample

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Exercise 23

Determine the minimum number of staircases in the following building?

4 storey office building with a top floor of 10m. The single direction of travel exceeds 18m?

Exercise 24


8 storey office building with a top floor of 22m. The number of occupants are as shown?

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Exercise 25


4 storey office building with a top floor of 10m. The number of occupants are as shown?

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Exercise 26

Determine width of unprotected staircase with 340 people located in a 5 storey building

with the ground floor having its own Means of Escape?

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Exercise 27

Determine width of staircase with 600 people located in a 7 storey building with the

ground floor having its own MOE

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Exercise 28


ground floor having its own Means of Escape?

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Exercise 29


ground floor having its own MOE

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Exercise 30


ground floor having its own Means of Escape?

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Formula Method

As an alternative to table 7 you can use the formula below

n

nPW

50150

1515

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Where

P = Number of people served

n = Number of storeys served

w = width of stairs (m)

Exercise 31

Determine the width of the unprotected staircase for a building with the following

parameters using the formula below?

Exercise 32



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Exercise 33



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Exercise 34



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Exercise 35



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Exercise 36



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Exercise 37

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Exercise 38

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Determine the width of the staircase in a building with a phased evacuation strategy with the following occupancy numbers and storeys. The staircases have lobby approach?

Exercise 39

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Determine the width of the staircase in a building with a phased evacuation strategy with the following occupancy numbers and storeys. The staircases have lobby approach?

Exercise 40

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Determine the width of the staircases In the following office building using the 7 step guide?

a) 5 storey office building with top floor of 17m. Each floor is 720m2. The staircase is unprotected. Ground floor has independent escape route. Simultaneous evacuation

b) Determine width if staircases were protected with lobby approach

Exercise 41

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Determine the minimum number and width of the staircases in the following office building with a simultaneous evacuation? The height to the top floor is 24m.

Exercise 42

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Determine the minimum number and width of the staircases in this building using the 7 step guide. The height to the top floor is 11m.

Exercise 43

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Determine the width of the staircases in the following building with a simultaneous evacuation using the 7 step guide? The height of the top floor is 21m.

Exercise 44

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The following is a shopping centre. The height to the top floor is 17m. The building has a simultaneous evacuation strategy. Determine the width of the staircases

a) With all staircases unprotected

b) With staircases protected

Merging Width

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Where a ground floor storey exit shares a final exit with a stair via ground floor lobby, the width of the final exit should be sufficient to enable a maximum evacuation flow rate equal to or greater than that from the storey exit and stair combined. As long as it meets certain criteria as shown below

This is the formula to apply

W – Width of final exit (m)

N – Number of people served by ground floor

S – Staircase width (m)

Exercise 45

80/)]60()5.2/[( SNW

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Determine the width of the final exit of the following building using the merging width formula?

Answer

Exercise 46

80/)]60()5.2/[( SNW

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Answer

Exercise 47

80/)]60()5.2/[( SNW

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Answer

Exercise 48

80/)]60()5.2/[( SNW

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Answer

Exercise 49

80/)]60()5.2/[( SNW

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Answer

Exercise 50

80/)]60()5.2/[( SNW

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Answer

Exercise 51

80/)]60()5.2/[( SNW

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Answer

Exercise 52

80/)]60()5.2/[( SNW

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Answer

80/)]60()5.2/[( SNW

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Exercise 53

Determine the number of occupants in the following buildings. Use table 10 from BS9999.

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Exercise 54

Determine the number of occupants in the following buildings. Use table 10 from BS9999?

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Exercise 55


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Exercise 56


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Exercise 57


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Exercise 58


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Exercise 59

Determine the travel distance of a Bar with no sprinklers. A distinct benefit of early warning has been demonstrated and a ceiling height of 4.3m. Alcohol is consumed and it has been decided to take it into account when determining the means of escape.

Exercise 60

Skating rink with no sprinklers. A distinct benefit of AFD has been demonstrated and a ceiling height of 5.6m No alcohol is consumed.

Exercise 61

Determine the travel distance of a Bingo hall with no sprinklers. A distinct benefit of AFD has been demonstrated and a ceiling height of 3.2m No alcohol is consumed

Exercise 62

Shop with no sprinklers. A distinct benefit of AFD has been demonstrated and a ceiling height of 4.3m No alcohol is consumed

Note:

1. If sprinklers are installed the risk profile will drop by one fire growth rate.eg. B2 – B1, A3-A2 etc

2. Where a clear benefit resulting from the addition of detection and warning is demonstrated and is appropriate to the circumstances, a 15% increase in allowable travel distances and a 15% reduction in door width, corridor width and stair width can be applied.

3. For the risk profile you should determine it from the client or apply table 5 4. The floor space factor can be given by the client or apply table 10 5. Door width with minimum measures – table 13 6. Ceiling height benefit – table 16 7. Door width with additional measures – table 18

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Exercise 63

Determine the aggregate exit width for a Bar with no sprinklers. Floor space area 700 m2. The building has early warning and a ceiling height of 5.3m. It has been decided to use the floor space factor in table 10 for the whole of the available floor space.

Exercise 64

Determine the aggregate exit width for an Office with no sprinklers. Floor space area 1400 m2. There is early warning and a ceiling height of 2.9m

.

Exercise 65

Determine the aggregate exit width for a Bingo hall with no sprinklers. Floor space area 1234 m2. Early warning and a ceiling height of 4.3m? Sam

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Exercise 66 Determine the occupancy for the following 3 storey open plan office building?

Exercise 67 Determine the occupancy for a 4 storey closed plan office each floor covering 710m2?

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Exercise 68 Determine the occupancy for a 3 storey shop each floor covering 800m2?

Exercise 69 Determine the occupancy for a 4 storey building with top 2 floors being used as an open plan office and lower 2 floors used as shop, all floors occupy 1100m2

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Exercise 70 Determine the occupancy for an 8 storey closed plan office building with a conference facility on the third floor, all floors cover 1200m2

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Exercise 71

Determine the minimum number of staircases in the following building? 4 storey office building with a top floor of 10m. The single direction of travel is exceeded?

Exercise 72

Determine the minimum number of staircases in the following building? 8 storey office building with a top floor of 22m. The number of occupants are as shown?

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Exercise 73 Determine the minimum number of staircases in the following building? 4 storey office building with a top floor of 10m. The number of occupants are as shown?

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Exercise 74 Determine width of unprotected staircase with 340 people in an office located in a 5 storey building with the ground floor having its own MOE. 340 people 4 floors served. The building has early warning and a ceiling height of 2.8m

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Exercise 75 Determine width of staircase with 600 people located in a 7 storey business centre with the ground floor having its own MOE. 600 people 6 floors served. The building has early warning and ceiling height of 4.2m

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Exercise 76

Determine width of staircase in an 11 storey sprinklered office with the ground floor having its own MOE. The building has lobby protection. The building has early warning and a ceiling height of 3.2m

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Exercise 77

Determine width of staircase with 400 people located in a 3 storey library reading area with the ground floor having its own MOE. The building has early warning and a ceiling height of 4.2m

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Exercise 78 Determine width of staircase with 720 people located in a 7 storey restaurant with the ground floor having its own MOE. 720 people 6 floors served. The building has early warning and a ceiling height of 3.1m

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Exercise 79

Determine width of staircase with 600 people located in a 6 storey office building with the ground floor having its own MOE. The building has early warning and a ceiling height of 2.8m

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Exercise 80 Determine width of staircases with 1000 people located in a 6 storey sprinklered office building with the ground floor having its own MOE. The 2 storey basement has 50 people on each floor. The building has early warning and a ceiling height of 3.1m

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Exercise 81 Determine width of staircases with 1350 people located in an 8 storey sprinklered business centre with the ground floor having its own MOE. The building has lobby approach. The building has early warning and a ceiling height of 3.1m

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Exercise 82

Determine width of staircase with 1500 people located in a 4 storey sprinklered shop with the ground floor having its own MOE. The building has early warning and a ceiling height of 4.3m

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Exercise 83

Determine width of staircase in a 6 storey banking hall with sprinklers with the ground floor having its own MOE. The building has early warning and a ceiling height of 2.8m

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Exercise 84 Determine the width of the staircase in an 11 storey sprinklered library reading area with a phased evacuation strategy? The building has a protected lobby approach. The building has early warning and a 3.1m ceiling height.

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Exercise 85 Determine the width of the staircases in an 11 storey office with a phased evacuation strategy? The building has a protected lobby approach. The building has early warning and a 2.8m ceiling height.

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Exercise 86 Determine the width of the staircases in an 11 storey office with a phased evacuation strategy? The building has a protected corridor. The building has early warning and a 2.8m ceiling height.

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Exercise 87

Determine the width of the unprotected staircases in the following open plan office building using the 7 step guide?

a) 6 storey open plan office building with top floor of 16.8m. Ground floor has independent escape route

The building has the benefit of early warning and each floor is 3.1m high

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Exercise 88

Determine the width of the staircases in the following business centre using the 7 step guide? It has been decided to adopt a phased evacuation. Lobby approach fitted. The building has the benefit of early warning and each floor is 3.1m high

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Exercise 89 a) Determine the width of the unprotected staircases in the following 5 storey shop using the 7 step guide? The building has the benefit of early warning and each floor is 3.2m high b) What size would staircase 1 and 2 be if the building were sprinklered?

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Merging Width

Where a ground floor storey exit shares a final exit with a stair via ground floor lobby, the width of the final exit should be sufficient to enable a maximum evacuation flow rate equal to or greater than that from the storey exit and stair combined. As long as it meets certain criteria as shown below

This is the formula to apply

W – Width of final exit (m)

N – Number of people served by ground floor

S – Staircase width (m) Required width.

80/)]60()5.2/[( SNW Sample

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Exercise 90

Determine the final exit width with a staircase which has a required width of 1600mm and there are 93 people entering at ground floor level?

80/)]60()5.2/[( SNW

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Exercise 91

Determine the final exit width with a staircase which has a required width of 1100mm and there are 44 people entering at ground level

80/)]60()5.2/[( SNW Sample

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Exercise 92

Determine the final exit width with the following parameters? The required staircase width is only 740mm but this had to be increased to 1000mm. 90 people are entering from the ground floor.

80/)]60()5.2/[( SNW

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Exercise 93


80/)]60()5.2/[( SNW Sample

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Exercise 94


80/)]60()5.2/[( SNW Sample

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Exercise 95

Determine the Means of Escape requirements for the following 5 storey office building using the ten step guide?

The building is to have an L2 fire alarm system.

Ground floor has independent escape routes

First to ground floor have the same layout as shown below

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Exercise 96

Determine the Means of Escape for the single storey bar with dimensions of 60m x 30m using the ten step guide?

There is an L1 fire alarm, the ceiling is 4.7m high.

Use the following floor space factors

Queuing area around bar = 0.3m2

Seating area = 1.0m2

Other areas in bar = 0.5m2

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This module goes how to comply with Part B2 Internal Fire Spread due to the linings. The control of the flammability and other properties of wall and ceiling linings in rooms and other spaces is an important part of building regulations. It is essential to protect the escape routes and this includes the linings of walls and ceilings.

Module 1-3-1

This module covers the following topics:

History The control problem Meeting the requirement Upgrading linings

Module 1.3 Internal Fire Spread (Linings)

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To confirm your understanding of the module, now attempt the questions below. Once completed you can view the model answers at the back of the workbook

1. What is the main requirement for the internal linings?

2. What is the definition of a lining?

3. What are the main properties of a lining that you are concerned with?

4. What materials are considered as non-combustible?

5. What is a material of limited combustibility?

6. What is the definition of a wall?

7. What does the definition of a wall not cover?

8. What is the definition of a ceiling?

9. Before you decide on the level of upgrade to linings what should you consider?

10. What records should be kept by the responsible person with regards to the linings?

Module 1.3 Revision

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This module will go through B3 Internal Fire Spread (Structure and covers the issues of compartmentation and sub division of buildings.

Module 1-4-1


Meeting the requirement History Elements of Structure Fire resistance requirements to ADB Raised storage areas

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Module 1-4-2


Compartmentation Places of special fire hazard Blocks of flats Periods of fire resistance

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Module 1.4 Internal Fire Spread (Structure)

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Module 1-4-3


Construction of compartment walls and floors Junctions of compartment walls and floors Fire doors Hold open devices Smoke seals Extensive cavities Fire stopping

Module 1-4-4


Compliance with BS9999 Non load bearing elements Fire resistance Ventilation factor

Module 1-4-5


Compartment limits Protected stairways Openings Fire doors Glazing in fire doors Summary

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Exercise 1

Determine whether the raised storage area should be considered as a floor or as a gallery

Total floor area 840m2

Dimensions 9m x 10m = 90m2

Manual fire alarm

Module 1.4 Revision

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Exercise 2




Manual fire alarm

No public allowed

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Exercise 3




Automatic fire alarm

No public allowed

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Exercise 4




Automatic fire alarm

No public allowed

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Exercise 5




Manual fire alarm

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Exercise 6

Determine whether or not the following are considered to be ancillary or not. This will determine whether or not compartmentation is required.

Exercise 7


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Exercise 8


Exercise 9


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Exercise 10

Determine the location of compartment walls and floors and the required fire resistance of the following unsprinklered building?

.

Exercise 11


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Exercise 12


Exercise 13


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Exercise 14


Exercise 15


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Exercise 16


Exercise 17


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Exercise 18

Determine the location of compartment walls and floors and the required fire resistance of the following cinema that has been fitted with sprinklers?

Exercise 19

a) Determine the compartmentation and the required fire resistance of the following supermarket which is unsprinklered?

b) What would the requirement be if the supermarket was sprinklered?

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Exercise 20

Determine the fire resistance of a sprinklered office with a top floor 32m above ground.

Floor area of each compartment is 1000m2

Compartment height is 3.1m

Below shows the dimensions of the 6 openings.

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Exercise 21

Determine the fire resistance of a 2 storey shop with the following dimensions.

The ground floor has 6 openings

Opening 1 5.4m2 - 2m high Opening 2 3.5m2 - 3m high



The first floor has 4 openings


Opening 3 28m2 - 2.5m high Opening 4 28m2 - 2.5m high

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Exercise 22

Determine the fire resistance of a 2 storey building. The ground floor is a high hazard industrial building and the upper floor is an office with the following parameters






Opening 1 9.0m2 - 2.5m high Opening 2 9.0m2 - 2.5m high

Opening 3 11m2 - 2m high Opening 4 9.0m2 - 2.5m high

Opening 5 9.0m2 - 2.5m high Opening 6 11m2 - 2m high

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Exercise 23

Determine the fire resistance of a 5 storey sprinklered shop with the following dimensions.


Opening 1 3.5m2 - 3m high Opening 2 16m2 - 2m high

Opening 3 15m2 - 2m high Opening 4 3.5m2 - 3m high

Opening 5 16m2 - 2m high Opening 6 15m2 - 2m high

The upper floors all have the same 4 openings


Opening 3 28m2 - 2.5m high Opening 4 28m2 - 2.5m high

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Exercise 24

Determine the fire resistance of a 2 storey sprinklered building. The ground floor is an office and the upper floor is used as an industrial ordinary hazard use.


Opening 1 40m2 - 2m high Opening 2 3.3m2 - 3m high

Opening 3 11m2 - 2m high Opening 4 40m2 - 2m high

Opening 5 3.3m2 - 3m high Opening 6 11m2 - 2m high


Opening 1 5.6m2 - 1.1m high Opening 2 6.7m2 - 1.2m high

Opening 3 8m2 - 1m high Opening 4 5.6m2 - 1.1m high

Opening 5 6.7m2 - 1.2m high Opening 6 8m2 - 1m high

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This module will cover the issue of external fire spread and cover all the methods that can be used to determine both boundary distances and unprotected areas.

Module 1-5-1


External fire spread introduction History Methods available Underlying principles

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Module 1-5-2


Boundary distance Notional boundary Enclosing rectangle method Unprotected areas Elevation requirement Plane of reference

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Module 1.5 External Fire Spread

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Module 1-5-3


Determine exposure of hazard Unprotected percentage Interpolation Boundary distance

Module 1-5-4


Impact of sprinklers Local concentration of hazard

Module 1-5-5


Widely spaced areas

Module 1-5-6


Elevation with set back over 1.5m

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Module 1-5-7


Recess with unprotected area on three sides Recess only on rear wall.

.

Module 1-5-8


Aggregate notional area (Protractor method)

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Module 1-5-9


Alternative method

Module 1-5-10


Introduction to radiation What is radiation Intensity of radiation Frequency of radiation Level of radiation received at some distance Intensity of radiation

Module 1-5-11


Configuration factor Radiation received at body Radiation received on flat roof

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Exercise 1

Determine the unprotected areas which can be ignored in the following facades?

Exercise 2


Module 1.5 Exercises

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Exercise 3


Exercise 4

Determine the unprotected area for the elevation shown when the cladding on the upper 5m is combustible and more than 1mm thick?

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Exercise 5

Determine the unprotected area for the elevation shown when the cladding is combustible and more than 1mm thick?

Exercise 6

Determine the unprotected area for the elevation shown when the cladding is combustible and more than 1mm thick?

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Exercise 7

Determine the enclosing rectangle you should apply here?

Exercise 8


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Exercise 9


Exercise 10

Determine the unprotected area percentage for the following elevation

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Exercise 11


Exercise 12


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Exercise 13


Exercise 14


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Exercise 15


Exercise 16

Determine the boundary distance for an office building with the following dimensions

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Exercise 17

Determine the boundary distance for an industrial building with the following dimensions

Exercise 18


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Exercise 19

Determine the boundary distance for an industrial building with the following dimensions

Exercise 20


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Exercise 21

Determine the boundary distance for an industrial building with the following

Exercise 22

Determine the boundary distance from the following office using the enclosing rectangle method

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Exercise 23

Determine the boundary distance from the following residential building using the enclosing rectangle method

Exercise 24

Determine the boundary distance from the following industrial building using the enclosing rectangle method

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Exercise 25


1. Actual enclosing rectangle m x m

2. Enclosing rectangle size to use for table 1 m x m = m2

3. Unprotected area = m2

4. Unprotected area as a percentage of enclosing rectangle = %.

5. Boundary distance = m

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Exercise 26







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Exercise 27

Determine the boundary distance from the following industrial using the enclosing rectangle method?






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Exercise 28

Determine the boundary distance from the following industrial building using the enclosing rectangle method






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Exercise 29

Determine the boundary distance from the following industrial building using the enclosing rectangle method?






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Special areas of concern.

Often the boundary distances may be determined quite simply by the use of Stages 1-4.

In practice, however, instances will occur where the elevation is not uniform or the plan shape is more complex..

1. Local concentrations of exposure hazard

2. Elevations with setbacks over 1.5m

3. Widely spaced groups of unprotected areas

4. Recesses with unprotected areas on three sides

5. Recesses with unprotected areas only in the rear wall

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Local Concentration of hazard

Exercise 30

Determine the boundary distance for an industrial building fitted with sprinklers with the following unprotected openings?

First limiting position

1. Actual enclosing rectangle x

2. Enclosing rectangle size to use for table 1 x = m2

3. Unprotected area in whole elevation = m2


5. Boundary distance = m.

6. What would boundary distance be for an office with sprinklers installed = m

Final limiting position

7. Actual enclosing rectangle around local concentration x


9. Unprotected area in local concentration = m2




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Exercise 31

Determine the boundary distance for an office with the following unprotected openings?















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Exercise 32

Determine the boundary distance for a sprinklered industrial building with the following unprotected openings?

.















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Exercise 33

Determine the boundary distance for an office with the following unprotected openings?















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Exercise 34

Determine the boundary distance for an industrial building with the following unprotected openings?















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Exercise 35 – Widely spaced groups of unprotected areas

Determine the boundary distance of the following residential building based on the enclosing rectangle method.


First determine the first limiting position treating the whole elevation as being involved.





5. Boundary distance for office = m.

If the spacing of the unprotected areas is MORE than four times the boundary distance, then each group can be considered as a separate radiator

6. Four times the boundary distance = m.

7. Spacing between radiators = m.

8. Can they considered to be separate YES/NO

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Final limiting position A

9. Actual enclosing rectangle around radiator x





Final limiting position B






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Determine the boundary distance of the following office based on the enclosing rectangle method.












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9. Actual enclosing rectangle around radiator x .











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Determine the boundary distance of the following industrial building based on the enclosing rectangle method.











8. Can they considered to be separate YES/ NO

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8. Can they considered to be separate YES /NO

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Exercise 40 – Elevations with set-backs more than 1.5m behind the plane of reference

Determine the boundary distance of the following residential building based on the enclosing rectangle method

The enclosing rectangle is 12m x 27.6m with 140m2 unprotected openings

Equivalent radiator

The equivalent radiator when brought forward is an enclosing rectangle of 12m x 27m with 132m2 unprotected openings

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Determine the boundary distance of the following industrial building based on the enclosing rectangle method. The enclosing rectangle is 5.8m x 19.7m with 65m2 unprotected openings

Equivalent radiator

The equivalent radiator when brought forward is an enclosing rectangle of 5.8m x 18m with 132m2 unprotected openings

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Determine the boundary distance of the following industrial building based on the enclosing rectangle method. The enclosing rectangle is 12m x 28m with 145m2 unprotected openings

Equivalent radiator

The equivalent radiator when brought forward is an enclosing rectangle of 12m x 26.5m with 131m2 unprotected openings

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Determine the boundary distance of the following office building based on the enclosing rectangle method. The enclosing rectangle is 14m x 25m with 110m2 unprotected openings

Equivalent radiator

The equivalent radiator when brought forward is an enclosing rectangle of 14m x 23.4m with 102m2 unprotected openings

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Determine the boundary distance of the following industrial building based on the enclosing rectangle method. The enclosing rectangle is 7.9m x 17m with 76m2 unprotected openings

Equivalent radiator

The equivalent radiator when brought forward is an enclosing rectangle of 7.9m x 16.4m with 69m2 unprotected openings

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Exercise 45– Recesses with unprotected areas on three sides

Determine the boundary distance of the following building based on the enclosing rectangle method.

In this situation you need to add all the unprotected areas and treat as one elevation.



3. Unprotected area in front elevation A and C = m2

4. Unprotected area in middle and side elevation B = m2

5. Total unprotected area = m2



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Exercise 46 – Recesses with unprotected areas on three sides










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Exercise 47 – Recesses with unprotected areas on three sides










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Exercise 48 – Recesses with unprotected area in the rear wall


In this situation you need to firstly determine the first limiting position




3. Unprotected area in whole elevation A + B + C = m2



Then you can take into account the reduction factor for the recessed area

Reduction factor

2

1

1

2

2

rb

bR

Where b1 = First limit position r = Depth of recess

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Now you apply this reduction factor to the area in the recess


2. Unprotected area in recess B = m2

3. Reduction factor x area = = m2

4. Reduced area of unprotected areas in A + B + C = m2

5. Adjusted percentage of unprotected areas = %

6. Final limit position = m.

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Reduction factor

2

1

1

2

2

rb

bR

Where b1 = First limit position r = Depth of

recess

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Reduction factor

2

1

1

2

2

rb

bR

Where b1 = First limit position r = Depth of

recess

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The Aggregate Notional Area (Protractor Method)

Exercise 51

Determine the aggregate notional area for the following points which otherwise complied with the enclosing rectangle method.

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Point P1

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Point 1

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Point P2

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Point 2

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Point P3

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Point 3

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Point P4

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Point 4

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Exercise 52

Determine the boundary distance for the following single storey office using the protractor method

Maximum notional area allowed = 210m2

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Point P1

Point P2

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Point 3

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Point P4

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Point 5

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Point P6

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Point P7

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Exercise 53

Determine the boundary distance for the following single storey industrial building using the protractor method. There are 6 points to check compliance as they fall within the boundary distance

Maximum notional area allowed = 90m2

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Point P1

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Point P2

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Point 3

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Point P4

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Point 5

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Point P6

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Alternative Formula

Exercise 54

Find the maximum permitted unprotected area for an uncompartmented shop building 24 m high and 18 m wide, 5 m from the relevant boundary

or

d

h

)(

)/( 2

wh

fdu

d

w

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Exercise 55

Find the maximum permitted unprotected area for an uncompartmented Industrial building 6m high and 22m wide, 6m from the relevant boundary.

or

d

h

)(

)/( 2

wh

fdu

d

w

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Exercise 56

Find the maximum permitted distance from the relevant boundary for an uncompartmented Office building 12m high and 17m wide, of which 97.92m2 is unprotected.

or

)(uwhgd uh

w

uw

h

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Exercise 57

Find the maximum permitted distance from the relevant boundary for a compartmented Office building 7m high and 12m wide, of which 33% is unprotected.

or

)(uwhgd uh

w

uw

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Exercise 58

a) A residential building is located within 11.4m from an industrial building with an unprotected area of 12m high x width 11m. You have been asked to determine the radiant heat being received at the residential building?

b) What would the radiation intensity be if the distance was doubled to 22.8m?

As the building is an industrial building you can assume flame temperatures of 1040C (1313K) and emissivity of the source will be assumed to be 0.97

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This module will cover B5 Access and facilities for the Fire Service. It will look at issues with regards to providing access for fire service vehicles. It will look at when and how many firefighting shafts are required in buildings and wet and dry risers.

Module 1-6-1

At the end of this module you will have a good understanding of :

Meeting the requirement History Designing new buildings Fire Fighting Shafts Provision of fire mains Vehicle access requirements

.

.

..

Module 1.6 Access and Facilities for Fire Service

Sample

http://www.google.co.uk/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=768Eh-ZILaghyM&tbnid=TvZnY3jDjsjenM:&ved=0CAUQjRw&url=http://www.ataltus.com/news/index_tradebody.asp?article=8&ei=jEPYUcfYO4HO0QWay4DoBg&bvm=bv.48705608,d.d2k&psig=AFQjCNFA7BTux4CXKZgT44FG5-ozV14VMw&ust=1373213946157384

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Module 1-6-2


Access requirement exercises to ADB Overhead obstructions Fire Fighting shafts Siting of firefighting shafts Venting of heat and smoke from basements

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.

Module 1-6-3


Meeting the requirements to BS9999 Firefighting shafts Layout requirements Firefighting stairs and lifts Firefighting lobbies

.

.

Module 1-6-4


Vehicular access to buildings Wet and dry risers Fire control centres Ventilation requirements Smoke shafts Summary

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Exercise 1

What is the access requirement for the following building for both pump and high reach appliances?

Exercise 2


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Exercise 3


Exercise 4


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Exercise 5

Determine the minimum number of firefighting shafts and the facilities required for the following building?

Exercise 6


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Exercise 7


Exercise 8


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Exercise 9


Exercise 10

Determine the minimum number of firefighting shafts and the facilities required for the following buildings?

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Exercise 11


Exercise 12


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Exercise 13


Exercise 14


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Exercise 15


Exercise 16


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Sample

part b workbook 2 sample - frconline.co.uk

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