Australian Miniature Boiler Safety Committee

AMBSC Code Part 1

Issue 7-2001: Copper Boilers

Contents

Preface

Section 1 General Requirements

1.1 Scope

1.2 Purpose

1.3 Definitions

2.1 General

2.2 Copper

2.3 Brazing Alloys

2.4 Bronze and Gunmetal

2.5 Cupro-Nickel

2.6 Caulking Materials

Section 3 Design

3.1 Compliance

3.2 Design Approval

3.3 Barrels, Shells and Plates

3.4 Stays and Stayed Surfaces

3.5 Flanged Plates

3.6 Doubling Plates for Stayed Areas

3.7 Torispherical Ends

3.8 Combustion Chambers

3.9 Circular Fireboxes

3.10 Tubes and Flues

3.11 Firebox Water Spaces

3.12 Tubeplates

3.13 Bushes and Mountings

3.14 Domes

3.15 Superheaters

Section 4 Construction

4.1 General

4.2 Joint Design

4.3 Silver Brazing, Bronze Brazing and GTAW Welding

Section 5 Fittings

5.1 Safety Valves

5.2 Pressure Gauge

5.3 Water Gauges

5.4 Feedwater Systems

5.5 Blowdown Valves

5.6 Washout Plugs

5.7 Fusible Plugs

5.8 Valves

Section 6 Support

Section 7 Inspection and Testing

7.1 Inspection

7.2 Testing

7.3 Retesting

7.4 Rejection

Section 8 Exceptions

8.1 Existing Boilers

8.2 Imported Boilers

Section 9 Operations

9.1 Water Quality

9.2 Water Level

9.3 Raising Steam

9.4 Loss of Water or Other Incidents

9.5 Shutting Down

Section 10 Administration

10.1 Registration of New Clubs or Societies

10.2 Winding Up

10.3 Change of Ownership or Disposal of a Boiler or Air Receiver

Appendix 1

AMBSC Boiler Inspector Qualifications

Appendix 2

Examples of AMBSC Forms

Appendix 3

Society Registration Codes

Appendix 4

Typical Design Submission Requirements for Regulatory Authority Design Approval

Appendix 5

Advanced Design Techniques

General

Reinforcement of Openings in Cylindrical Shells

Reinforcement of Tube Holes in Cylindrical Shells

Design of Rod Stays in Irregular Patterns

Calculating Loads on Regulator Stays

Appendix 6

Templates for Torispherical Ends

Appendix 7

New Zealand Society Registration Codes

56 pages

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