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AS 1170.3-1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Minimum design loads on structures (known as the SAA Loading Code) - Snow loads
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

25-06-2021

Language(s)

English

Published date

01-01-1990

Publisher

Standards Australia

Preview

1 - AS 1170.3-1990 SAA LOADING CODE - SNOW LOADS
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 REFERENCED DOCUMENTS
6 - 1.4 METHODS OF DETERMINATION OF SNOW LOADS
6 - 1.5 LOAD COMBINATIONS
6 - 1.6 NOTATION
8 - SECTION 2. GEOGRAPHIC REGIONS AFFECTED BY SNOW
8 - 2.1 REGIONS WITH SIGNIFICANT SNOWFALLS
8 - 2.2 DIVISION OF REGIONS
10 - SECTION 3. SNOW LOAD IN SUB-ALPINE REGIONS
10 - 3.1 DETERMINATION OF GROUND SNOW LOAD
10 - 3.1.1 Introduction.
10 - 3.1.2 Ground snow load.
10 - 3.2 SNOW WEIGHT.
10 - 3.3 DETERMINATION OF SNOW LOAD ON BUILDING SURFACES
10 - 3.3.1 Flat and unobstructed sloping roofs
10 - 3.3.2 Obstructed sloping roofs
10 - 3.3.3 Drifting snow
10 - 3.3.4 Curved roofs
15 - SECTION 4. SNOW LOAD IN ALPINE REGIONS
15 - 4.1 DETERMINATION OF GROUND SNOW LOAD
15 - 4.1.1 Introduction
15 - 4.1.2 Terrain classification
15 - 4.1.3 Ground snow load
16 - 4.1.4 Snow weight
17 - 4.2 DETERMINATION OF SNOW LOAD ON BUILDING SURFACES
17 - 4.3 EXPOSURE TO WIND
17 - 4.4 ROOF SLOPE
17 - 4.4.1 Effect of roof slope on monoslope, gable and hip roofs
17 - 4.4.2 Effect of roof slope on curved roofs
17 - 4.4.3 Effect of roof slope on single and multi-span roofs with valleys
17 - 4.5 PARTIAL LOADING
17 - 4.6 UNBALANCED SNOW LOAD
17 - 4.6.1 General
17 - 4.6.2 Unbalanced snow load for hip or gable roofs
17 - 4.6.3 Unbalanced snow load for curved roofs
17 - 4.6.4 Unbalanced snow loads for single and multispan roofs with valleys
21 - 4.7 DRIFTS ON LOWER ROOFS OR OTHER SURFACES
24 - 4.8 ROOF PROJECTIONS
25 - 4.9 SLIDING SNOW
25 - 4.10 SNOW CREEP
26 - APPENDIX A - EFFECTS OF TERRAIN ON THE DISTRIBUTION OF GROUND SNOW LOAD IN ALPINE REGIONS
26 - A1 INTRODUCTION
26 - A2 FACTORS AFFECTING GROUND SNOW DISTRIBUTION
26 - A2.1 Mechanism of snow formation
26 - A2.2 Mechanism of ground snow distribution
26 - A3 GROUND SNOW DISTRIBUTION
28 - APPENDIX B - COMMON PROBLEMS AND THEIR AVOIDANCE
28 - B1 ROOF SLOPE AND SHEDDING SNOW
28 - B2 ROOF SHEETING SLIDING OFF THE ROOF
28 - B3 INGRESS OF SNOW UNDER RIDGE CAPPING
29 - B4 SLOPED VALLEYS IN ROOFS
29 - B5 EAVES GUTTERS
29 - B6 VENTILATION OPENINGS
30 - B7 BUILDING LOCATIONS
30 - B8 VENTS ON ROOFS
31 - B9 VERTICAL PROJECTIONS

This Standard sets out data and procedures for determining minimum snow loads on roofs, balconies, walkways, and other building surfaces, in areas which receive significant snowfalls. It also provides guidance on the avoidance of common problems which occur mainly in alpine regions.

This Standard sets out data and procedures for determining snow loads to be used in structural design.

Committee
BD-006
DocumentType
Standard
ISBN
0 7262 6006 1
Pages
26
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Under Revision see DR 01218

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AS 2159-1995 Piling - Design and installation
AS 3600-2001 Concrete structures
AS 2050-1995 Installation of roof tiles
AS 4425-1996 Above ground burial structures
AS/NZS 4600:1996 Cold-formed steel structures
AS/NZS 1576.1:1995 Scaffolding General requirements
AS 3990-1993 Mechanical equipment - Steelwork (Reconfirmed 2016)
AS 3600-1994 Concrete structures
AS/NZS 1664.2:1997 Aluminium structures Allowable stress design (Reconfirmed 2020)
AS 4324.1-1995 Mobile equipment for continuous handling of bulk materials - General requirements for the design of steel structures
HB 49.1-1993 Sporting Facilities Manual Sports lighting
AS 3700-1998 Masonry structures
AS 2050-2002 Installation of roof tiles
AS 1576.1-1991 Scaffolding - General requirements
AS 1418.15-1994 Cranes (including hoists and winches) - Concrete placing equipment
AS 3623-1993 Domestic metal framing (Reconfirmed 2018)
AS 4100-1998 Steel structures (Reconfirmed 2016)
AS 2156.2-2001 Walking tracks Infrastructure design
AS 3700-2001 Masonry structures
AS 4597-1999 Installation of roof slates and shingles (Non-interlocking type) (Reconfirmed 2015)
AS/NZS 4673:2001 Cold-formed stainless steel structures
AS 3533.1-1997 Amusement rides and devices - Design and construction
AS/NZS 1170.0:2002 Structural design actions General principles
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AS 1288-2006 Glass in buildings - Selection and installation
AS 1562.1-1992 Design and installation of sheet roof and wall cladding Metal (Reconfirmed 2016)
AS 1668.3-2001 The use of ventilation and airconditioning in buildings Smoke control systems for large single compartments or smoke reservoirs
AS 1418.1-1994 Cranes (including hoists and winches) - General requirements
AS 2327.1-1996 Composite structures - Simply supported beams
AS 2783-1992 Use of reinforced concrete for small swimming pools
AS/NZS 1664.1:1997 Aluminium structures Limit state design (Reconfirmed 2020)
AS 2187.1-1998 Explosives - Storage, transport and use Storage

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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