SNZ PAS 4509:2003

COMMITTEE REPRESENTATION

© COPYRIGHT

CONTENTS

REFERENCED DOCUMENTS

LATEST REVISIONS

PREFACE

FOREWORD

REVIEW

1 GENERAL

1.1 Aims

1.2 Legal context

2 DEFINITIONS

3 SYMBOLS AND UNITS

4 USE OF THE CODE OF PRACTICE

4.1 Application

4.2 Simplified methodology for determination of fire fighting water supply

4.3 Methodology for calculation of fire fighting water supply

4.4 Recording of water requirements

5 RUNNING PRESSURE

6 FIRE SERVICE ACCESS TO WATER SOURCE

6.1 Background

6.2 Fire hydrant location

6.3 Fire hydrant marking

6.4 Uncharged water mains

6.5 Access to alternative fire fighting water sources

7 INSPECTION AND TESTING OF FIRE HYDRANTS

8 FIRE PROTECTION SYSTEMS

9 DISPUTES

APPENDIX

A SPRINKLER DEMAND

B ALTERNATIVE FIRE FIGHTING WATER SOURCES

C APPROVED STANDARDS

D TESTING OF FIRE HYDRANTS

E CALCULATION OF MAXIMUM FIRE SIZE

F WATER EXTINGUISHING CAPABILITY

G SPECIFICATION, LOCATION AND MARKING OF FIRE HYDRANTS

H OTHER RELEVANT DOCUMENTS

Table

1 – Simplified method for determining required water supply classification

2 – Simplified method for determining fire fighting water supply

A1 – Example of practical water requirements for fire protection system

E1 – Single firecell building with 3 windows and 1 roof vent

E2 – Typical heat release rates from fuel controlled fires for various building types

E3 – K1 Human intervention

E4 – K2 Fire safety features

F1 – Water accessibility coefficient C1

F2 – Water reliability coefficient C2

F3 – Water flows from fire hydrants

Figure

B1 – Suction sources – fixed, static pick-up

B2 – Flooded sources – water supply above road level

B3 – Examples of how alternative water supplies can be deliveredto within 90 m of a hazard

E1 – Single firecell building with 3 windows and 1 roof vent

G1 – Fire hydrant marking

G2 – Example showing code requirements for the location and spacingof fire hydrants