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Appendix 4.2.5Amendment No* V-l/92 (Jan*)Temperature difference T for various surfacing depthsThe values of T given in Figure 4.2.2 are for 40 con surfacingdepths for Groups 1 and 2 and 100 mm surfacing depths for Groups3 and 4. For other depths of surfacing, the values given In thefollowing tables may be used.Values of T for groups 1 and 2 Values of T for group 4Surfacingthicknessmmunsurfaced2040Positive temperaturedifferenceT,*c393633T a*c212019T,*C8121!T

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