Drainage Channel HYDROblock - Installation Instruction Paving

preparation installation tools hammer, scale and string

1) Preparation

Plan how the rainwater will drain away, e.g. via an existing underground pipe or a nearby trench. Recommended tools for installation: rubber mallet, spirit level and string with holding rods.

Trench with dimensions for installation of drainage channel HYDROblock in paving

2) Dig a trench

Remove the paving stones and dig a trench.
y = 20 cm + HYDROblock height (up to D 400) or y = 25 cm + HYDROblock height (up to F 900)
x = 30 cm + HYDROblock width (up to D 400) or x = 40 cm + HYDROblock width (up to F 900)

installation drainage channel HYDROblock trench with string in paving

3) Determine position

Determine the course of the drainage channel with a string. The string is also used later for levelling the channel elements. The height of the string should be 3 mm below the top edge of the paving.

drain elements to the base pipe of the drainage channel HYDROblock

4) Determine the beginning of the installation

The drainage channel installation begins with the outlet element. Both drain elements with vertical outlet and feed boxes can be used for this purpose. Alternatively, the spigot end of the HYDROblock can be used to connect a pipe. When using a feed box, the trench must be excavated deeper.

concrete foundation in the trench for the installation of the drainage channel HYDROblock in Pflasterung

5) Set concrete foundation

Extend the underground pipe with a pipe joint. Place a concrete foundation with a grade of C25/30 in the trench.
z = 20 cm (up to D 400) or z = 25 cm (up to F 900).
The channel elements are set when the concrete is earth-moist.

HYDROblock drain element connection to a pipeline

6) Set drain element with vertical outlet

Place the outlet element on the underground pipe. The pipe opening is closed until installation is complete so that no dirt can get into the pipe.

applying lubricant during the installation phase of the drainage channel HYDROblock

7) Lubricant

Apply lubricant to the spigot end before the drainage channel elements can be joined together.

connecting the channel elements of the drainage channel HYDROblock in Pflasterung

8) Lay more drainage channel elements

First connect the channel elements loosely by spigot and socket end.

Positioning of the installation aid between HYDROblock channel elements

9) Installation aid

Then pull the channel elements together with the HYDROblock installation aid. For the installation of the nominal width 300, 2 installation aids are required and placed in the outer openings of the grating. For laying the channel in pedestrian design, please use our special FG laying aid. Please note that a small gap may occur when the elements are pulled together and can be closed with sealing tape.

concrete anchor and installation support of the HYDROblock drainage channel

10) Mounting support

In order to avoid movement of the drainage channel when paving, it is recommended to bolt them into the foundation with concrete screw anchors or to secure them with a concrete mounting support on the sides.

Sealing tape on the long sides of the HYDROblock channel elements

11) Sealing tape on the long sides

Apply a sealing tape according to ZTV Fug - Stb 15 to the long sides of the HYDROblock elements. It compensates transverse expansion.

End piece of the HYDROblock in the installation phase

12) Set end pieces

Place the matching end pieces at the ends of the drainage channel line.

installation cross-section of the HYDROblock with missing pavement

13) Load bearing substructure and binder course

Lay the load bearing substructure and the binder course around the drainage channel.

installation cross-section of the HYDROblock in the paving area

14) Paving

Place the paving stones next the drainage channel. Sweep the existing sand into the joints of the paving stones. The drainage channel is then ready for use.

HYDROTEC accepts no liability for incorrect installation of the drainage channel.

Drainage Channel HYDROblock Installation Instruction Paving

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