Turnout Bearers
The applicable standards and technical requirements which the goods meet are as follows:
| Substantial controlled parameter | Controlled values that are fulfilled by the product | Applicable standards |
|---|---|---|
| lengthwise curvature to the edges | ≤ 1 % | EN 13145:2001+A1:2011 |
| curvature across the width: cup | not allowed | EN 13145:2001+A1:2011 |
| vertical curvature: bow | ≤ 0,2 % | EN 13145:2001+A1:2011 |
| lengthwise spiral distortion: twist | ≤ 0,4 % | EN 13145:2001+A1:2011 |
| rounded surface on face or edge | conforming according to figures 6-7 and table 3 | EN 13145:2001+A1:2011 |
| dimensional tolerances | L ± 30 mm; W +10/-3 mm; H +10/-3 mm; 90° ± 3° | EN 13145:2001+A1:2011 |
| defects of timber | conforming according to table 2 of the standard | EN 13145:2001+A1:2011 |
| quality class C according to table 1 | conformity evidenced by the producer of creosote | EN 13991:2003 |
| humidity prior to impregnation | density: 880 – 900 kg/m³ | DIN 68811:2007-01 |
| penetration of creosote | conforms to class P8/NP5: full sapwood penetrated | EN 351-1:2008/EN 351-2:2008 |
| durability of treated timber | fulfils requirements of hazard class 4 (EN 335:2013) | EN 599-1:2009+A1:2014 |
