gabo Systemtechnik speed•pipe® bundle ground Laying instructions SRV-G und SRV-G tc 44 An undulating installation (neither horizontal nor vertical) must be avoided. Important Professional laying. The trench bottom should be plane. In case the bottom is undulating e. g. due to an excavator, this section must be compensated. Unprofessional laying. Here the undulating trench bottom was not compensated und thus it is transferred to the bundle. A considerable decrease in the blowing in length is to be expected! surface surface SRV-G tc SRV-G tc levelled and compacted trench bottom untreated trench bottom after excavation surface surface SRV-G tc SRV-G tc levelled and compacted trench bottom untreated trench bottom after excavation 17.1 In the open trench.
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