Fishing Garden Packing Building The Company
Guimbra - Anta
Apartado 111
4501-909 Espinho
Tel: +351 227332010
Fax: +351 227341464


The Thermoplastic pipes is one of the solutions to substitute the pipes made of cement or clay. This technique evolved through a French process that allows homogenized drilling, that becomes the pipes lighter and at the same time enough rigid to resist the subsidence of the ground.

The large quantity of orifices, provides a balanced capillarity to the Pipe, which high efficiency; according to Specialized Technical Centers; was highly confirmed through several tests made in laboratory as well as of the practical experience taken from several countries, mainly in England.

This Pipe is manufactured by continuous extrusion process TRICAL and contains 12 000 to 24 000 holes per meter, as its diameter of 45, 55, or 65, in 14 000 to 15 000 holes per meter of the pipe diameter of 100 mm, and its length standard 5m.

Key Features of the drainage pipe TRICAL-CETAP/SINORGAN:

  • Imputrescible
  • Light
  • Easy to set, assemble
  • Well adjustment to the soil

    Designation Reference Diameter Length *
    Drainage Pipes T. 45 45 5 m
    T. 55 55 5 m
    T. 100 100 5 m
    T. 1001 100 5 m

    1 0% pierced pipe to filter and 50% smooth to conduct water .

    * The length of the poles are standard for application interconnected according to indications application.

    Drainage Pipes Instruction Use

    Depth range

    The depth range of the pipes installation should depend on the nature of the land, ground and the water level in the soil. Nevertheless, the pipes should be installed in a depth that should not interfere with the future mechanical treatments of the ground; the depth in most cases is no more than 70/80 cm long.

    Advisable diameter

    The drainage should have two types of diameters; 65/45 or 100/55 mm. The larger diameters will built the draining guidelines. The other pipes are for captation of water (image attached). In many cases the two pipes could have the same diameter.

    Pipes junction

    To connect two pipes together simply open two tears of 5 or 6 cm at the end of one, then insert the end of the other tube. It is advised, although not indispensable that the captation pipes penetrate in those which constitute the guidelines; through a rudimentary hight, for the effect the captation pipes should be cut at the end in wedged, so that the tear in the other pipe end is relatively smaller.

    Amount of pipes to use

    The pipes that have the guidelines should be installed with 12m distance from each other. The pipes that constitute the drainage spine should be installed between 5 to 10 m distances each, according to the amount of water to be drained.

    When the drainage costs is an item, and the solution found already brings a solution we advise the installation of spine drainage pipes at a distance of 12m from each other; however we admit that the results could not be satisfactory, then we advised subsequently to use one pipe between each two.

    This is an option that could work, making the drainage operation cheaper. If it doesn't work, it allows that later (postponing in this way great cost), the work could be completed without a cost increase, once that this operation does not become expensive by having to be done twice.

    Pipes direction on the ground

    The guideline pipes should be installed in the same direction as the water stream (direction of the slope of the ground). The drainage spine will be perpendicular to the guidelines, therefore in the same direction as the water stream. The arrow shows the slope of the ground:

    Drainage Signs

    In every case it's advisable to have drainage signs, specially when an increase of the number of pipes is considered. The pipes signaling should be marked in the land plant.

    Pipes laying

    The pipes should be laid between a layer of coarse sand or cracked stone, this is to serve as a filter of the water to be drained. The efficiency of this operation depends on the thickness of this layer.

    A layer of 5 cm is enough. The use of pebbles on it's own it's not advisable, once that reduces considerably the draining efficiency, but nevertheless better then nothing. The ideal it would be the use of the pebbles around the coarse sand or cracked stone. But of course that this solution, although entirely effective, is expensive; for this reason in most cases it's not accountable.

    Easily can we conclude that the use of organic materials around the pipes is not advisable, because it can putrefy and the remains could obstruct the pipes holes.

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