Standards for mobile towers

1. 1
Standards for Mobile Towers
SELECTING A SAFE MOBILE TOWER
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2. COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Standards for Mobile Towers
Don Aers
Technical Director

3. 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

4. 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

5. 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

6. 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

7. Standards for Mobile Towers
© PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
Which bits are you missing?

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. Standards for Mobile Towers
© PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
SAFE BUILD
3T – Through The Trap
AGR – Advance Guard Rail

15. 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

16. Standards for Mobile Towers
© PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
COMPETENCY

17. Standards for Mobile Towers
© PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
DISCUSSION & QUESTIONS

18. Standards for Mobile Towers
© PASMA 2015
COLLECTIVE MARK
®
PREFABRICATED ACCESS SUPPLIERS’ AND MANUFACTURERS’ ASSOCIATION
DISCUSSION & QUESTIONS