FEATURES N1 and N2

• EN: 1317 Approved with HA & NRA Maintenance
• Maintenance Free galvanised steel finish
• Nominal Post centres 3700mm
• Post centres available from 2500mm – 3750mm
• Plinth width minimum 450mm
• Heights from 1000mm – 1800mm
• Mesh or Solid Infill available
• Much reduced structure loading
• Increased anchor tolerance for site works
• Minimum length of parapet 12.50m
• Fast-track lead times
• Low speed road applications

 

N1 Specifications

PERFORMANCE

Post Centres	Impact Severity	Working Width	Wheel Penetration	Dynamic Deflection
2.50m	A	W1	250mm	0.25m
3.75m	A	W3	320mm	0.50m

 

ANCHORAGE LOAD REQUIREMENTS

Nominal bolt tensile load	33.0 kN
Test load 1.1 x nominal	36.3 kN
Ultimate limit state 1.8 x nominal	59.4 kN

 

STRUCTURE LOADS
Mesh or Solid Infill available Much reduced structure loading Increased anchor tolerance for site works Minimum length of parapet 12.50m Fast­track lead times Low speed road applications

Post size	90 x 90 mm
Post ultimate moment capacity	14.1 kN
Coexisting shear force	27.5 kN
Post ultimate shear capacity	131.0 kN
Height to centreline of lowest rail above underside of base plate	240 mm

 

N2 Specifications

PERFORMANCE

Post Centres	Impact Severity	Working Width*	Wheel Penetration	Dynamic Deflection
2.50m	A	W3	360mm	0.44m
3.75m	A	W4	396mm	0.64m
* W2 working width available for 1250mm high system and above

 

ANCHORAGE LOAD REQUIREMENTS

Nominal bolt tensile load	41.0 kN
Test load 1.1 x nominal	45.1 kN
Ultimate limit state 1.8 x nominal	73.7 kN

 

STRUCTURE LOADS

Post size	100 x 100 mm
Post ultimate moment capacity	19.8 kN
Coexisting shear force	36.1 kN
Post ultimate shear capacity	164.9 kN
Height to centreline of lowest rail above underside of base plate	275 mm