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Drainage channel installation guidelines FILCOTEN® green

with an outlet into the sewage or infiltration system

The installation guidelines and installation examples below are intended for standard applications. The load class and installation site must be adjusted to the local conditions of the planned site in accordance with EN 1433. The technical rules and guidelines that are generally known among experts must be taken into account during the installation.

  1. Connection to sewage pipes:

    The BG concrete channels must be installed on a concrete foundation in accordance with Austrian standard B4710-1, or in single
    grain concrete in accordance with RVS 08.18.01. Depending on the static requirements, a lateral support wedge may be required – see installation details or ask the BG application technicians. The channel elements should only be installed with suitable tools (e.g. BG laying clamp).

  2. Infiltration beneath the channel:

    The layers of the floor beneath the channel must meet infiltration requirements. The BG concrete channels are installed on a correspondingly dimensioned gravel bed in a concrete foundation in accordance with Austrian standard B4710-1, or in single grain concrete according to RVS 08.18.01. The outlet opening must be exposed (e.g. with DN150 Polokal pipes). Depending on the static requirements, a lateral support wedge may be required. See installation details or ask the BG application technicians. The channel elements should only be installed with suitable tools (e.g. BG laying clamp).
  3. Begin by laying the channel runs from the junction to the outlet. The flow direction on each channel is indicated with an arrow.

  4. The butt joints between the individual drainage channels must be sealed with a suitable sealant or glued. See the BG seal system for material descriptions and quantity determination.
  5. Before the manufacturing of the adjacent ground cover, lay the covers and, if necessary, secure or reinforce the channels so that they do not push against each other. When sealing the upper structure and surface layer (asphalt, pavement, concrete, etc.), ensure that the channels are not damaged.

  6. For any arising horizontal forces (e.g. concrete surfaces, gradients, etc.), an adequately dimensioned expansion joint needs to be placed at a distance of 30-200 cm to the channel in the area of the channel connection. The expansion joints running perpendicular to the channel runs must be arranged so that they can run through a channel butt joint.

  7. For installation application in heavily frequented areas, we recommend securing the cover with “fiX” fasteners or screws (max. tightening torque of 40 Nm) depending on the area of application and the frequency and speed of crossing.

  8. All adjacent cover layers should always be installed 3-5 mm above the upper surface of the channel in order to avoid mechanical damage (e.g. through snow removal) and ensure draining of the water.
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Load classA 15 kNB 125 kNC 250 kND 400 kNE 600 kN
Concrete quality - foundation acc. To austrian-standard B 4710-1 *C 16/20C 20/25C 20/25C 25/30C 25/30
foundation-width: X≥ 8 cm≥ 10 cm≥ 15 cm≥ 15 cm≥ 15 cm
foundation-height: Ymin. channel height - 5 cmHeight channelbody
foundation-thickness: Z≥ 8 cm≥ 10 cm≥ 15 cm≥ 20 cm≥ 20 cm
reinforcement:Not requiredDN 8 all 20 cm
* concrete grade is a minimum requirement and must be adapted to local requirements
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Technical filter in accordance with Austrian standard B 256-3

  1. After the installation of the FILCOTEN® green channels in accordance with the standards (see previous paragraph), the trapezoid perforated plate is inserted. The protruding end of the trapezoid perforated sheet (transfer) must be butt-joined with the front side (end plate of the channel). Afterwards, the next sheet with the transfer is placed on the first plate – care must be taken to ensure that they overlap correctly.

  2. Afterwards, the trapezoid perforated sheet must be sealed to the front-end plate.

  3. The filter material is placed in the channel using a “big bag”. There is a recloseable filling hose on the bottom of the “big bag”.

  4. The correct height, i.e. the correct filter thickness of 30 cm, can be achieved by using the tool supplied to smooth the filter material.

  5. The prefilter is placed on the filter material with the denser side facing down (marked with an “U”) and pulled up on the side walls.

  6. The cast iron gratings are inserted to the installed channels and 4-point bolted.
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