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Mar 21, 2006 Renovation: Lining with Continuous Pipes - Part IV - Method Variants without Annular Space
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The figure shows the procedure for determining the required minimum wall thickness of the composite for host pipe condition II. Based on the material identification group (here 20), the minimum wall thickness of the composite is determined from the corresponding table, taking into account the diameter (here DN 600) and the groundwater above pipe invert (here 3 m). (Image: Determination of the minimum wall thickness of the composite for host pipe condition … |
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Dec 07, 2023 To conclude the lesson, click here to access a specific application example for the rehabilitation of a DN 400 concrete gravity sewer with a CIPP liner (product name: SAERTEX-LINER® MULTI, Type S+ Standard). The aim of the rehabilitation measure was the structural strengthening of the old sewer and the restoration of tightness. |
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Dec 08, 2023 Full linings serve to restore or increase the resistance against physical, chemical, biochemical and/or biological attacks, to prevent the formation of new incrustations, to restore and/or increase the static load-bearing capacity and water tightness.
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Dec 11, 2023 Introduction Spirally-wound lining is categorised as a lining process with site-manufactured pipes. This process is characterised by the production of a spiral-shaped, self-supporting, or statically load-bearing liner on site from factory-made extruded profiles using a winding machine. Learning Objectives After completing the lesson, you will have in-depth knowledge of the following:
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(Image: 379206 - Titelbild Dokumentation) Process: Spirally-wound pipe lining Title: Renovation of a concrete sewer DN 1200 by lining with site-manufactured pipes by means of a self-propelled winding machine (RotaLoc) Location: Factory premises Limiting conditions:
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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. In this case the storage areas were situated beyond the traffic ways on the factory premises. Electricity was supplied by means of a diesel compressor.
Water retention A retention … |
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Obstacle removal In the run-up to the relining works, obstacles such as hardened deposits, projecting inlets, etc. must be removed. This is done manually by using a milling cutter, hammer and chisel. Cleaning For sewer cleaning in this case of application a high pressure jetting vehicle is used, which is equipped with an invert jet that has a particularly good clearing effect.
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At the target manhole the control unit, hydraulic power unit and the electric cable drum with the supply cable for the winding machine are positioned. A small part of the supply cable is rolled off the cable drum and is inserted into the target manhole via an deflexion pulley. By means of the cleaning vehicle the supply cable is flushed into the sewer to be rehabilitated in the direction of the starting shaft; there it is temporarily fixed above … |
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A fork-lift truck takes the Rotaloc winding machine to the starting manhole in its transport box. There it is first tested for completeness and is disassembled to finally insert the parts into the sewer to be rehabilitated.
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The skids of the drum are positioned in approx. 1 m distance to the starting manhole at right angle to the line route, whereas the distance of the skids to each other corresponds to a drum's width and the skid that does not possess a drive unit is turned towards the manhole. Boards that are put underneath serve for levelling the ground and for ensuring stability. The arrangement of the skids in this way causes the drum axis to be in one line with … |
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The prepared rib profile is lowered into the manhole and is fed manually into the winding machine. The spiral guiding (helix) of the profile within the winding machine can be calibrated, so that the proper snapping of the lock during winding is ensured. A slide hammer serves for possibly necessary corrections of the profile's position during starting.
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For the connection of the manhole the passed shafts are first opened with an angle grinder and a jig saw that are driven by compressed air. In all manholes the small annular space between the old pipe and the spirally-wound pipe is filled with PU foam by the company Sista.
Now the spirally-wound pipe … |
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The side inlets that were measured before the rehabilitation are opened and connected manually. By means of the angle grinder and the jig saw first the side inlets are exposed. Like the manhole connection, the narrow annular space between the old sewer and the spirally-wound pipe is filled with PU foam and plugged up with sealing mortar. |
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The profile butt joints that have developed due to the drum change must be re-worked. The thus developed joint gaps must also be filled with PU foam, the surrounding spirally-wound pipe must be roughened with an angle grinder and afterwards the joint region must be laminated with mats soaked with epoxy resin. |
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To check the success of the rehabilitation, an optical inspection by accessing the sewer as well as a leaktightness test according to DIN EN 1610 are carried out. |
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Mar 22, 2011 Lining of a DN 1200 concrete sewer with a profiled plastic profile with lock, which is wound in a spiral using a self-propelled winding machine, and forms a continuous pipe string after installation (RotaLoc). |
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Dec 10, 2020 Animation Manhole rehabilitation with the Vertiliner system, a seamless GRP tube made of resin-impregnated glass fibre textile (lining with cured-in-place pipes), which is produced individually and with a precise fit and extends from the bottom of the manhole to the top edge of the manhole (CIPP).
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Jun 19, 2023 The module "Details on the Installation of Lining with UV Cured-in-Place Pipes” is based on the ordering and installation manual SAERTEX-LINER® for gravity pipes and sewers by SAERTEX multiCom GmbH. This module describes the essential work steps, starting with site preparation, continuing with the installation of the lining tube, the curing and, finally, the essential finishing work. After completion of this module, you will have a sound knowledge of:
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Jun 05, 2023 (Image: Picto Liste) Goods receipt and storage of the individual components and the entire manufacturing process of the end product must be documented consistently by the contractor. This also includes checking the delivered lining tube based on the delivery note. The delivery note must show:
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Jun 05, 2023 Summary: The module "Details on the Installation of Lining with UV Cured-in-Place Pipes” is based on the ordering and installation manual SAERTEX-LINER® for gravity pipes and sewers by SAERTEX multiCom GmbH. This module describes the essential work steps, starting with site preparation, continuing with the installation of the lining tube, the curing and, finally, the essential finishing work. |
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Jun 05, 2023 The execution of lining with cured-in-place pipes is presented in the following, divided into the process sections of preparatory work, installation work, and final work. (Image: Diagram of preparatory work for “lining with UV cured-in-place pipes”) (Image: Diagram of installation work for “lining with UV cured-in-place pipes”) (Image: Diagram of final work for “lining with UV cured-in-place pipes”) |
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Jun 05, 2023 The following contents focus on the installation of the lining tube and its curing by means of UV light curing. (Image: Diagram of installation work for “lining with UV cured-in-place pipes”) (Video: Principle of the curing mechanism – UV light) |
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