Bermbeveiliging Geleiderailsystemen SafeStar Kunstwerken SafeStar kunstwerk SafeStar 221b H2 / W2 / B Containment level H2 Class of working width W2 ASI B SafeStar 222b H2 / W2 / B Containment level H2 Class of working width W2 ASI B SafeStar 231b H2 / W3 / B Containment level H2 Class of working width W3 ASI B SafeStar 232b H2 / W3 / A Containment level H2 Class of working width W3 ASI A SafeStar 233b H2 / W3 / A Containment level H2 Class of working width W3 ASI A SafeStar 351b H3 / W5 / B Containment level H3 Class of working width W5 ASI B SafeStar 441b H4b / W4 / B Containment level H4b Class of working width W4 ASI B