H4b and alternative H2

Risks for third parties are in principle assigned a heavier weight than the risks for occupants. This may be a reason to apply a heavier classification level (H4b, but this must be explicitly stated in the RWS specifications.

Type Benaming Omschrijving CE Klasse WW Asi
Aardebaan Trionda H4bL Paalafstand 2,0m Ja H4b W6 A
Aardebaan Trionda H4bL Paalafstand 1,5m Ja H4b W5 A
Aardebaan TR-H2LH4bL Overgang H4b-H2 getest Ja H2 W4 B
Kunstwerk Trionda H4bL Stijlafstand 2,0m Ja H4b W4 B

Within the delivery program, alternative systems are available that evoke the same road experience (A-plank) as the NEN 5190 / NEN5191 guide rail, but which perform better and yet have less use of materials.

NEN5191 Cat. WW Type > Alternatief CE Kl. asi WW
FL 2M 400-80 L/R Flexibel W6 2z > Softguard FL2m 400 Ja H2 A W6
      1z > SoftGuard Plus (ab) Ja H2 A W5
      1z > BMS2L-H2 Ja H2 A W5
VLP 2Z 267-80 L/R Middelstijf W5 2z > BMD2R-H2 Ja H2 A W5
      1z > BMS2L-H2 Ja H2 A W5
VLP 2Z 133-80 L/R Middelstijf W4 2z > BMD1R-H2 Ja H2 A W4
      1z > BMS1L-H2 Ja H2 A W4
VLP 2ZC 133-80 L/R Stijf W4 2z > BMD1R-H2 Ja H2 A W4
      1z > BMS1L-H2 Ja H2 A W4
VLP 1Z 267-60 L/R Middelstijf W5 2z > BMD2R-H2 Ja H2 A W5
      1z > BMS2L-H2 Ja H2 A W5
VLP 1Z 133-60 L/R Middelstijf W4 2z > BMD1R-H2 Ja H2 A W4
      1z > BMS1L-H2 Ja H2 A W4
VLP 1ZC 133-60 L/R Stijf W3 1z > VLP 1z 133-60 Ja H2 B W4
      1z > Trionda H2L-RS1.5 Ja H2 B W3