This Standard specifies requirements for the form, dimensions, material and finish of tubular steel posts and mast arms, and attachments used for the support of traffic signal lanterns, pedestrian push-button assemblies and ancillary equipment.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 The use of non-frangible posts
2 Traffic signal posts
2.1 General
2.2 Post type designations
2.3 Material and construction
2.4 Physical arrangement and dimensions
2.4.1 Column lantern fixings
2.4.2 Provision for attachment of pedestrian push-button assemblies
2.4.3 Baseplate
2.5 Provision for traffic signal cables
2.6 Finish
2.7 Earthing facilities
2.8 Marking and instructions
3 Mast arms
3.1 General
3.2 Mast arm type designations
3.3 Materials and construction
3.4 Structural requirements
3.4.1 Design basis
3.4.2 Dead loading
3.4.3 Wind loading
3.4.3.1 General
3.4.3.2 Wind loads due to traffic signal lanterns
3.4.3.3 Wind loads on structure
3.4.4 Serviceability deflection
3.4.4.1 Serviceability deflection due to dead loads
3.4.4.2 Serviceability deflection due to wind loads
3.5 Physical arrangement and dimensions
3.5.1 General
3.5.2 Outreach arm orientation
3.5.3 Provision for attachment of lanterns
3.5.3.1 Overhead lantern mounting assembly
3.5.3.2 Column lantern fixings
3.5.4 Provision for attachment of pedestrian push-button assemblies
3.5.5 Baseplate
3.6 Provision for traffic signal cables
3.6.1 General
3.6.2 Type M1 mast arms
3.6.3 Type M2A and M2B mast arms
3.6.4 Type M3A, M3B and M3C mast arms
3.7 Finish
3.8 Earthing facilities
3.9 Provision for assembly
3.10 Marking and instructions
4 Joint-use poles
4.1 General
4.2 Materials and construction
4.3 Structural requirements
4.3.1 Design basis
4.3.2 Dead loading
4.3.3 Wind loading
4.3.4 Serviceability deflection due to dead loads
4.4 Physical arrangement and dimensions
4.4.1 General
4.4.2 Provision for attachment of lanterns
4.4.3 Provision for attachment of pedestrian push-button assemblies
4.4.4 Baseplate
4.5 Provision for traffic signal cables
4.6 Finish
4.7 Earthing facilities
4.8 Provision for assembly
4.9 Marking and instructions
5 Joint-use mast arms
5.1 General
5.2 Structural requirements
5.2.1 Design basis
5.2.2 Dead loading
5.2.3 Wind loading
5.2.3.1 General
5.2.3.2 Wind loads due to traffic signal lanterns
5.2.3.3 Wind loads due to road lighting luminaires
5.2.3.4 Wind loads on structure
5.3 Physical arrangement and dimensions
5.4 Provision for road lighting cables
6 Lantern mounting brackets and straps
6.1 Types of mounting brackets
6.2 Bracket requirements
6.2.1 Provision for mounting bolts
6.2.2 Strength of brackets
6.2.3 Split-shell brackets
6.2.4 Material and finish
6.2.5 Fixing components
6.2.6 Connecting facilities for cables
6.3 Lantern mounting straps
7 Cable termination facilities
7.1 Terminal assembly
7.2 Finial cap
Appendix A
A1 Traffic signal posts
A2 Joint-use poles
A2.1 Lighting outreach assembly provided with pole
