gabo Systemtechnik speed•pipe® bundle ground Laying instructions SRV-G und SRV-G tc 6 Locating cones; company Vetter All spools (wood and steel) have a through bore of 125 mm for receiving tubular steel drum shafts. The speed•pipe® bundle can hereby raised up with the tubular steel drum shaft or handled in a drum winder. If no suitable tubular steel drum shaft is available with the correct diameter we recommend to use locating cones or stepped bushes (e. g. company Vetter), for the adaption of various shaft diameters. These ensure a smooth running during unwinding of the speed•pipe® bundle and avoid knocking out / ovalisation or even a defect of the through bore. Stepped bushes; company Vetter Example of a drum shaft suspension with a locating cone; company Vetter In general a hundred percent protection against root penetration is not possible with the exception of using filling material with less pores. The easiest and well-known way is the compliance to hold a minimum distance between trace and root. Here is valid: Minimum distance > crest width (of the tree, bush etc.) In the case of parallel layings and crossings with external installations, appropriate protective measures must be provided in accordance with the table below: External installation Parallel laying in m Crossings in m Power supply line (particularly high-voltage) 0.3 0.3 Other communication systems 0.1 0.3 Gas / water pipeline 0.8 1.0 District heating plant lines 0.8 1.0 Please definitely also note the details about distances of the manufacturer of the external installation! 1.2. Using appropriate matching shafts for the spools of speed•pipe® bundle. 1.3 Root penetration. 1.4 Minimum distance to external installation.
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