Durvinil® drainage pipes

Durvinil® drainage pipes

Drainage slotted pipes are used to eliminate excess water causing softening or degradation of the soil’s mechanical characteristics. Drainage pipes are made of rigid PVC, able to stand all kind of underground water as well as seawater and acid or alkaline diluted solutions. Durvinil® RFS pipes can be subjected to repeated treatments with chemical substances commonly used to…

Piezometric pipes

Piezometric pipes

Sireg Geotech produces PVC DURVINIL piezometric pipes with diameters from 2 to 8 inches, both blind and microslotted into different lengths. Sireg Geotech piezometric pipes may be equipped with immersion pumps for the construction of wells to be used for the verification of water levels through phreatimeters, or they can be used to sample the…

Double wall screen drains

Double wall screen drains

DURVINIL® Double Wall Screen filtering system is composed of two PVC concentric slotted pipes coupled by means of threaded flanges. The annular space between the two pipes is filled with a filtering material, which may be thermoplastic granules or quartz sand, with granulometry based on the different soil properties. Double wall DURVINIL® pipes ensure high…

Drainage Durvinil Bio System® pipes

Drainage Durvinil Bio System® pipes

DURVINIL BIO SYSTEM® pipes are made of a resistant bio-plastic, which, thanks to its thickness, guarantees a service life of many  years. At the end of their life cycle, the pipes decompose into simple materials that are absorbed by the soil.

Casagrande type cells

Casagrande type cells

Sireg Geotech produces Casagrande type cells made of sintered quartz. These instruments have a porous element connected to the ground surface by two tubes of different length (flow pipe and return pipe), in order to take level and piezometric measures in confined aquifers. Sireg Geotech produces Casagrande quartz sintered cells, possibly protected by microslotted pipe…

Durvidrain® drainage sheets

Durvidrain® drainage sheets

  Durvidrain® is a geocomposite product that can be used to solve some drainage and waterproofind problems in civil engineering works. – In building foundations or basement, Durvidrain® can be used to eliminate the hydrostatic pressure which causes water infiltration through the walls inside the construction. – Installed on the outer walls and under the…

Self-drilling drainage pipes

Self-drilling drainage pipes

Sireg Geotech’s Durvinil® SD system is formed by a self-drilling steel head that drags a PVC Durvinil® drainage slotted pipe, used to reduce the soil’s water pressure. This system is used to install the drainage pipes in loose soil or below the groundwater table, where it is not possible to apply the provisory coating in…

Steel filters and pipes for wells

Steel filters and pipes for wells

Steel filter pipes for wells are made in varied lengths and diameters and with different types of slots (continuous spiral, bridge, loops) according to the customer’s needs. They are mainly used to realize pumping wells, in order to temporarily or permanentlylowering the level of the underground water bed or for water supply. Steel filter pipes for wells are…

2017 – DWS, Val Torreggio Slide, Italy

2012 – Saoudi Mannoubia Tunnel, Tunisia

2011 – Violay Tunnel, Lyon, France

2011 – Gibe Dam, Addis Abeba, Etiopia

2006 – Docklands Light Railway, London, UK