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AS 4799-2000

[Current]

Installation of underground utility services and pipelines within railway boundaries

Specifies the requirements for the installation, use and maintenance of utility services and pipelines within railway boundaries.
Published: 19/07/2000
Pages: 26
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Administrative definitions
1.4.2 Technical definitions
2 PROJECT DOCUMENTATION
2.1 SCOPE OF SECTION
2.2 GENERAL
2.3 PLANS AND INFORMATION
2.3.1 General
2.3.2 Plans
2.3.2.1 Scales and plan details
2.3.2.2 Design calculations and construction methods
2.3.2.3 Sheeting and shoring
2.3.3 Information
3 GENERAL REQUIREMENTS FOR SERVICES AND PIPELINES
3.1 SCOPE OF SECTION
3.2 LOCATION OF SERVICES AND PIPELINES
3.2.1 General
3.2.2 Installations across tracks
3.2.3 Installations along reserve
3.2.3.1 General
3.2.3.2 Relation to track and formation
3.2.4 Clearance from railway facilities
3.2.5 Pits and access chambers
3.2.6 Separation
3.2.7 Corporation’s drainage
3.3 DESIGN OF ENCASING PIPES AND NON-ENCASED CARRIER PIPES
3.3.1 General
3.3.2 Design parameters
3.3.3 Design loads
3.3.3.1 Railway loading
3.3.3.2 Pipe selection
3.3.4 Pipe materials
3.4 PROTECTION AGAINST ELECTROLYSIS, CORROSION AND INDUCED CURRENTS
3.4.1 General
3.4.2 Electric traction areas
3.5 METHOD OF INSTALLATION
3.5.1 Boring
3.5.2 Other methods of construction
3.6 BORING AND JACKING OF PIPES UNDER TRACKS
3.6.1 Boring
3.6.1.1 General
3.6.1.2 Unencased bore holes
3.6.2 Jacking
3.6.2.1 General
3.6.2.2 Excavation
3.6.2.3 End of shift
3.6.2.4 Shoring
3.7 TRENCHING AND TEMPORARY TUNNELLING UNDER TRACKS
3.7.1 Shoring
3.7.2 Depth
3.7.3 Temporary track supports
3.8 DISPOSAL OF EXCAVATED MATERIAL
3.8.1 General
3.8.2 Deposition of spoil
3.8.3 Protection of ballast
3.9 BACKFILLING OF EXCAVATIONS
3.9.1 Open excavations
3.9.2 Temporary tunnels
3.9.3 Boreholes
3.9.4 Reinstatement
3.10 MARKERS
3.10.1 General
3.10.2 Location
3.10.3 Requirements
3.10.4 Orientation
3.10.5 Wording
3.11 RENEWAL OR REPLACEMENT OF SERVICE OR PIPELINE
3.12 CHANGE OF OPERATING CONDITIONS
3.13 CESSATION OF USE
3.14 WORK AS EXECUTED
3.15 WORKS OF THE CORPORATION
4 REQUIREMENTS FOR PIPELINES CARRYING NON-FLAMMABLE SUBSTANCES
4.1 SCOPE OF SECTION
4.2 GENERAL
4.2.1 Installation
4.2.2 Depth of pipes
4.2.3 End walls and aprons
4.2.4 Open channels
4.2.5 Markers
4.3 PRESSURE PIPELINES UNDER TRACKS
4.3.1 Encasing
4.3.2 Size of encasing pipe
4.4 NON‑PRESSURE PIPELINES
4.4.1 Materials
4.4.2 Joints
5 REQUIREMENTS FOR PIPELINES CARRYING COMBUSTIBLE LIQUIDS AND FLAMMABLE FLUIDS
5.1 SCOPE OF SECTION
5.2 DESIGN REQUIREMENTS
5.2.1 General
5.2.2 Depth of pipe
5.2.3 Encasing pipe
5.2.3.1 General
5.2.3.2 Size
5.2.4 Protection of steel carrier pipe and encasing pipe
5.2.4.1 General
5.2.4.2 Encasing pipes with annular space, filled with a setting material
5.2.4.3 Encasing pipes with annular space, unfilled or filled with a fluid material
5.2.5 Markers
5.3 CONSTRUCTION, INSPECTION, TESTING AND COMMISSIONING
5.4 VALVE LOCATIONS
5.5 COMPRESSOR STATIONS
5.6 FLARE POINTS
6 REQUIREMENTS FOR SERVICES
6.1 SCOPE OF SECTION
6.2 GENERAL
6.3 COMMUNICATION AND CATHODIC PROTECTION CABLES
6.3.1 Depth of pipes or conduits
6.3.2 Markers
6.3.3 Design of pipes or conduits
6.3.4 Renewal or replacement
6.4 POWER CABLES (HIGH AND LOW VOLTAGE)
6.4.1 General
6.4.2 Depth of installation
6.4.2.1 Under tracks
6.4.2.2 Elsewhere
APPENDIX A
A1 GENERAL
A2 AVERAGE DESIGN LIVE LOAD
A3 CALCULATION OF DESIGN LIVE LOAD
A4 RIGID PIPE
A5 FLEXIBLE PIPE
Cited references in this standard
[Superseded]
Buried corrugated metal structures
[Current]
Buried Flexible Pipelines, Part 1: Structural Design
AS 1289
Methods of testing soils for engineering purposes (All parts)
[Available Superseded]
Installation and maintenance of steel pipe systems for gas
[Superseded]
Helical lock-seam corrugated steel pipes — Design and installation
Content history
DR 94019