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The preparatory works are carried out in the immediate vicinity of the site vehicle. First the packer is partially inflated and placed on trestles so that the middle part is easily accessible. A PVC protective film is then wound around the packer in order to protect it from soiling from the epoxy resin. To prevent the film coming off, it is fixed to the packer by means of adhesive tape.
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After positioning the sleeve, the camera and the packer are removed from the section and prepared for the next use. |
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Repair of PE-HD drain pipe of nominal sizes DN 150 to DN 350 with the stainless steel 'Stuttgarter Sleeve' - Conclusion |
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Mar 22, 2011 Repair of HDPE drain pipes of nominal diameters DN 150 to DN 350 with the stainless-steel sleeve "Stuttgarter Hülse." |
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(Image: 19292 - Titelbild Dokumentation) Process: Fill and drain system / Line injection / Flood grouting Title: Repair of a sewer DN 150 with the Sanipor fill and drain system (flood grouting) Location: Depot of a road maintenance centre Limiting conditions:
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Machine and equipment:
Tools:
Materials: The following is a summary of the most important materials used with this method: The injection medium consists of two separate system components. System component S1: |
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(Image: Securing the last manhole of the section to be rehabilitated) Site equipment Site equipment includes traffic safety, provision and preparation of storage surfaces for equipment and material as well as the provision of power and water supplies. Because of the position of the sewer outside the public traffic surfaces and the applied procedure, the site installation is restricted in this case to the securing of the open manholes of the section … |
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The actual rehabilitation sequence includes:
The injection of the S1 system component The S1 system component is injected by filling the section to be rehabilitated with this medium up to the top of the manhole. The flooding of the sewer begins with the low point of the section to be rehabilitated so that the section can be vented at the upper … |
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Leaktightness testing As the final hardening, according to the manufacturer's information, is only reached between 70 hours and a week, the final leaktightness testing to check the success of the rehabilitation is only carried out after this period. |
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Mar 22, 2011 Repair of a sewer DN 150 by the Sanipor fill and drain system (flood grouting). |
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