AS 2156.2-2001

Walking tracks Infrastructure design

Standards Australia

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1 - AS 2156.2-2001 WALKING TRACKS - INFRASTRUCTURE DESIGN
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 OBJECTIVE
7 - 1.3 APPLICATION
7 - 1.4 REFERENCED DOCUMENTS
7 - 1.5 DEFINITIONS
7 - 1.5.1 Access structure
7 - 1.5.2 Barrier
7 - 1.5.3 Boardwalk
7 - 1.5.4 Cableway
8 - 1.5.5 Deck
8 - 1.5.6 Effective fall height
8 - 1.5.7 Foundation
8 - 1.5.8 Ladder
8 - 1.5.9 Landing
8 - 1.5.10 Live load (imposed action)
8 - 1.5.11 Pedestrian bridge
8 - 1.5.12 Platform
8 - 1.5.13 Ramp
8 - 1.5.14 Dead load (permanent action)
8 - 1.5.15 Stile
8 - 1.5.16 Stairway
8 - 1.5.17 Structure
8 - 1.5.18 Structure deck height
8 - 1.5.19 Suspension bridge
9 - 1.5.20 Track
9 - 1.5.21 Track Class
9 - 1.5.22 Walking track structures
9 - 1.5.23 Wire crossing
9 - 1.6 NOTATION
9 - 1.7 PERFORMANCE REQUIREMENTS
10 - SECTION 2 DESIGN OF STRUCTURES
10 - 2.1 GENERAL
10 - 2.2 LIMIT STATE DESIGN
10 - 2.2.1 Serviceability limit state
10 - 2.2.2 Strength and stability limit states
10 - 2.3 LIVE LOADS
11 - 2.4 LATERAL LOADING
11 - 2.5 SNOW AND ICE EFFECTS
11 - 2.6 DESIGN OF SUPPORTS
11 - 2.7 LIVE LOADS ON BARRIERS
11 - 2.7.1 Basic live load
11 - 2.7.2 Load combinations for barriers
13 - SECTION 3 SAFETY FROM FALLING
13 - 3.1 GENERAL
13 - 3.2 PROVISION OF BARRIERS
14 - 3.3 ASSESSMENT OF FALL IMPACT SURFACE
15 - 3.4 BARRIER CONSTRUCTION
17 - SECTION 4 STAIRS AND LADDERS
17 - 4.1 GENERAL
17 - 4.2 STAIRS
17 - 4.3 LADDERS
17 - 4.4 STAIRWAYS AND LANDINGS
18 - 4.5 STILES
19 - APPENDIX A - BACKGROUND INFORMATION AND GUIDANCE FOR THE USE OF THIS STANDARD
19 - A1 GENERAL
19 - A2 SUGGESTED MANAGEMENT PRACTICES
19 - A2.1 Risk and policy considerations
19 - A2.2 Field manuals
20 - A2.3 Certification considerations
20 - A2.4 Choice of track class and structures
20 - A2.5 Records
20 - A2.6 Other considerations
21 - APPENDIX B - INTENDED DESIGN LIFE
21 - B1 GENERAL
21 - B2 LOWER DESIGN LIFE
21 - B3 HIGHER DESIGN LIFE
22 - B4 RECOMMENDED EXPECTED LIFE
22 - B5 TIMBER DURABILITY
23 - APPENDIX C - DESIGN FOR LIGHT MAINTENANCE VEHICLES

Abstract

Specifies design methods and loads for use in the structural design of walking tracks. It covers boardwalks, galleries, pedestrian bridges (including wire crossings), platforms (for viewing), ladders, stairways, stiles and barriers.

Scope

This Standard specifies requirements for the structural design of walking track structures, to protect natural and cultural assets and for use as aids to recreation in outdoor areas where the environment is the focus of recreational activities.
The general design of tracks including their layout, environmental management, aesthetics, and pathway design is not covered by this Standard.
The structural design criteria given in this Standard take into account factors such as location, expected use and type of recreational opportunity through reference to the track classifications given in AS 2156.1.
The following structures and parts of structures are covered in this Standard:
(a) Boardwalks.
(b) Galleries.
(c) Pedestrian bridges, including wire crossings. (d) Platforms (for viewing).
(e) Barriers.
(f) Stairways.
(g) Ladders.
(h) Stiles.
This Standard does not cover structures intended to carry livestock (e.g. horses) or vehicles (including bicycles and light maintenance vehicles).
NOTES:
1 This Standard is intended primarily to be applied to new structures; however, existing structures may be assessed using the criteria given in this Standard. The track class should be specified before structural design of new structures commences.
2 For structures such as huts, shelters, barbecues, toilets, vehicle bridges, heritage structures, lookout towers, jetties and launch ramps, the approving authority should be referred to.
3 Background information and guidance for the use of this Standard is given in Appendix A.
4 Information on durability is given in Appendix B.5 Information on design for light maintenance vehicles is given in Appendix C.