standards for mobile towers
TRANSCRIPT
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Standards for Mobile Towers
SELECTING A SAFE MOBILE TOWER
LOGO
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COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Standards for Mobile Towers
Don Aers
Technical Director
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
About PASMA The Prefabricated Access Suppliers and Manufacturers Association Formed in 1974 Represents the mobile access tower industry Is the recognised training provider and authority for mobile
access towers Working with regulatory authorities and standards setting bodies
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Mobile Access Towers
STANDARD TOWERS Platform heights
2.5m to 12m indoors
2.5m to 8m outdoors
EN1004
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Mobile Access Towers
EN1004 Requirements • Materials
• Critical Dimensions
• Structural Design
• Stability
• Stiffness
• User Instructions (EN1298)
• Marking
• User Instructions
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
EN1004 Mobile Access Tower
Supplied with guardrails with dimensions to prevent a fall
Trapdoor platforms to permit safe access and prevent falls at 2m intervals
Supplied with toe boards to prevent the fall of materials
Supplied with purpose built access ladders or stairs inside the tower
Supplied with correct number of secure platforms
Supplied with correct number and size of stabilisers
Instructions comply with standard BS EN1298
Safe method of assembly and dismantling
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Which bits are you missing?
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Which bits are you missing?
NOT EN1004
H Frame or Domestic steel tower
Do not have proper platforms
Do not have built in access
Not supplied with stabilisers
Have guardrail dimensions that would not prevent a fall
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
TOWER CHECKLIST Instruction manual available
Guardrail height and gaps correct
Toe boards in place
Platforms secure on horizontals and wind-locks engaged
Platform trapdoors over access and opening towards outside of tower
End frame interlock clips engaged
Braces in correct position and hooks locked on
Smallest frame at the base of tower
Stabilisers correctly positioned
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
TOWER CHECKLIST Ballast (if used) of correct type,
correctly positioned and secure
If tied in, ties are adequate
Tower is vertical and level
Adjustable legs not over-extended
Brakes applied, wheels in contact with ground
Base plates (if used) in contact with ground
Ground conditions are appropriate
Weather conditions – wind speed
Inspection record completed
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
BS1139 Part 6 - Access Towers outside the scope of BS EN 1004, but utilizing components from such systems
• LARGE DECK STRUCTURES • BRIDGING STRUCTURES • LINKED (FAÇADE) • CANTILEVER STRUCTURES • STEPPED STRUCTURES • HIGH LEVEL STRUCTURES
BS1139-6 Prefabricated Tower Scaffolds
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
BS1139 Part 6 - Access Towers outside the scope of BS EN 1004, but utilizing components from such systems
• LARGE DECK STRUCTURES • BRIDGING STRUCTURES • LINKED (FAÇADE) • CANTILEVER STRUCTURES • STEPPED STRUCTURES • HIGH LEVEL STRUCTURES
BS1139-6 Prefabricated Tower Scaffolds
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
BS1139 Part 6 - Access Towers outside the scope of BS EN 1004, but utilizing components from such systems
BS1139-6 Prefabricated Tower Scaffolds
Materials
Critical Dimensions
Structural Design
Stability
User Instructions
Marking
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
SAFE BUILD
3T – Through The Trap
AGR – Advance Guard Rail
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
INSPECTION 1) Recorded pre-use inspections
following assembly of the tower: Inspect after assembly, before use At least every 7 days it remains in use After any event that may have caused the tower to be unsafe
2) Routine recorded inspections on the components of the tower
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
COMPETENCY
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
DISCUSSION & QUESTIONS
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Standards for Mobile Towers © PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
DISCUSSION & QUESTIONS