Standard
UPDATE AVAILABLE
AS 3778.6.6-2008
[Superseded]Liquid flow measurement in open channels, Part 6.6: Measuring devices, instruments and equipment — Cableway systems for stream gauging
Provides general description, functional requirements, specification and guidelines for the design, and for the operation and maintenance of a cableway system used for stream gauging.
Published: 21/08/2008
Pages: 26
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 General description of a cableway system
4.1 Elements of a cableway system
4.2 Cableway supports
4.3 Main track or main cable
4.4 Anchorage
4.5 Tow cable for a bankside system
4.6 Suspension cable
4.7 Instrument carriage for a bankside system
4.8 Personnel carriage
4.9 Winch arrangements for a bankside system
4.10 Winch arrangements for a personnel carriage
4.11 Lightning protection
5 Functional requirements of cableway components
5.1 Safety factors
5.1.1 General
5.1.2 Suspension cable
5.1.3 Tow cable
5.1.4 Track cable
5.1.5 Marking
5.2 Cableway supports
5.2.1 Approaches
5.2.2 Design load
5.2.3 Foundation placement
5.2.4 Height
5.2.5 Corrosion protection
5.3 Selection of main cable or track
5.4 Anchorage
5.4.1 Design
5.4.2 Inspection accessibility
5.5 Backstays
5.6 Tow cable
5.7 Carriages
5.7.1 Instrument carriage for a bankside system
5.7.1.1 Carriage track wheels
5.7.1.2 Load requirements
5.7.1.3 Carriage design considerations
5.7.1.4 Carriage operational requirement
5.7.2 Personnel carriage
5.7.2.1 Design
5.7.2.2 Brake
5.8 Winches
5.8.1 General
5.8.1.1 Brake
5.8.1.2 Locking device
5.8.1.3 Level wind device
5.8.1.4 Mechanical advantage
5.8.1.5 Drum diameter
5.8.1.6 Signal transmission
5.8.1.7 Power winch requirements
5.8.2 Winches in bankside systems
5.8.2.1 Torque limiter
5.8.2.2 Load requirement
5.8.2.3 Cable deployment
5.8.2.4 Interlocking mechanism
5.8.2.5 Mounting design
5.8.3 Winches on personnel carriages
5.8.3.1 Torque limiter
5.8.3.2 Release device
6 Maintenance, examination and testing
6.1 General examination
6.2 Routine inspection
6.2.1 Bankside systems
6.2.2 Systems with suspended personnel carriage
6.3 Static testing
6.3.1 Bankside system
6.3.2 Systems with suspended personnel carriage
6.4 Lubrication
6.5 Checking the sag
Annex A
A.1 Loadings
A.2 Cable selection — Examples
A.3 Factors of safety
A.4 Guidance on cable size selection
A.5 Forces on towers and anchorages
A.5.1 General remarks
A.5.2 Common configurations
Bibliography
Cited references in this standard
Content history
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