12 N.B.: All channels are type 'm', i.e. They require additional support (concrete) to sustain horizontal and vertical loads during installation. The load class of the drainage channel will be the lower of the two elements -channel and grid- that make it up. For instance, if an a15 class grid is installed on a d400 channel, the load class of the composed drainage channel will be A15. The figures for 300-mm channels are based on those for 400-mm channels as there are no direct measures. Similarly, the figures for the shallow channels are taken from the deep channels, with the exception of the PratikoXL channel (cpa130pp/cpb130pp) for which measures were taken on the shallow version and therefore extended to the high version. TABLE A CONCRETE LYING DIMENSIONS: CHANNEL (CODE) LOAD CLASS (EN1433) X [mm] Y [mm] Z [mm] CLASS CONCRETE CSA100 CSM100 CSB100 CSA130 CSB130 CSA200 CSB200 CSA300 CSB300 CSA400 CSB400 CPA130PP CPB130PP C250 C250 C250 D400 D400 D400 D400 B125 B125 B125 B125 D400 D400 103 75 55 148 75 181 114 265 140 265 175 200 100 165 165 165 210 210 210 210 225 225 225 225 210 210 155 155 155 220 220 200 200 245 245 245 245 205 205 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 C 25/30 DRAINAGE CHANNEL LAYING SCHEME
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