We have been operating for over 40 years with wellpoints and soil drainage, assisting designers and entrepreneurs in particular. Our experience and professionalism allow us to support you with the different drainage technologies – first of all the wellpoint technique –, and to intervene by solving the problems due to the presence of water on site.
It consists of direct suction within the area to be drained with immersion or surface pumps (electric or diesel)
The system consists of a series of microwells (wellpoints), installed in the area of land where the groundwater must be lowered
They behave like macro wellpoints inside of which specific submersible or submersible pumps are installed to allow the extraction of large quantities of water
A series of drainage pipes placed under or around the desired excavation area are connected to a high vacuum pump
Its principle is similar to the one of the wellpoint system, but in this case there is a high head pump that pushes water into the ejectors
We offer rental services for motor pumps, electric pumps, gensets of different powers and types. We supply both turnkey systems with supervision of single parts to allow our customers maximum flexibility.
We offer specialized construction site consultancy, estimates and sizing based on the most modern techniques; and specifications of dewatering for the resolution of groundwater problems.
We provide on-site maintenance services to allow the pumps to function perfectly and minimize the risk of machine downtime. We are also able to carry out maintenance on your own pumps, regardless of the brands.
For our customers, the drainage system must be a service, not a problem. For this reason, in highly sensitive situations we are able to supervise the systems 24/7.
Driving tests, pumping tests, hydraulic compatibility analysis, driving tests: this is very useful in order to choose the correct drainage system and to accurately quantify the response of the aquifer system before proceeding with excavations.
We are able to offer wellpoint systems, drainage wells, drainage pipes, free-flowing draining pumps, wellpoint with ejector, wellpoint eductor and all the accessories built to our specifications.
WE HAVE NO FEAR OF THE MUD
CONSTRUCTION SITES COMPLETED
YEARS OF BUSINESS
The purpose of the dewatering systems is to allow to work in a dry ground but where there is still the groundwater . The approach adopted (free draining, wellpoints, wells …) is related to the type of soil, the depth of the excavation and the amount of water to be extracted. The solution to the problem of water in the excavation must always be sought, in autonomy with the customer, respecting the client’s needs.
VERY LOW PERMEABILITY 0,002 < diameter mm <0,005 1×10-7< permeability K m/sec = < 1×10-9 we have to use a wellpoint system (with filters and pre-filters)
LOW PERMEABILITY 0,05< diameter mm <0,005 1×10-3< permeability K m/sec = < 1×10-7 we can use a wellpoint system (with filters and pre-filters)
MEDIUM PERMEABILITY 2,0< diameter mm <0,05 1×10-1< permeability K m/sec = < 1×10-3 we can use a wellpoint system (with filter or probes) or else wells
HIGH PERMEABILITY 20,0< diameter mm <2,0 1×10-2< permeability K m/sec = < 1×10 we can use a wellpoint system (with probes) or wells
Creazione dei pianti interrati di una nuova palazzina residenziale sita in Milano.
Bonifica falda superficiale sito petrolchimico tramite wellpoint con tecnologia ad eiettore
Posa di un collegamento fognario al di sotto dell’alveo di un emissario di un lago
Crewell POMPE E SERVICE is a new section following the market demand for revision and maintenance of both motor and electric pumps of the main brands already owned by our customers.
Our equipped workshop enables us – with extreme professionalism and capability – to overhaul and repair electric or diesel motors, impellers, seals, depressors and pump bodies of the main brands and types (Varisco, ITT, Viesse, Uniservice etc.), even of discontinued models.