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DirectoryConstruction & ArchitectureBuilding MaintenanceWinterthurFrei Bauunternehmung AG
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Frei Bauunternehmung AG

Summary

About the company

The core activity of FREI Bauunternehmung AG is civil engineering, renovation and trenchless pipe laying using state-of-the-art technology, in particular through press boring, bursting lining, earth rockets and directional drilling/jet flushing. The company offers environmentally friendly methods for laying supply and disposal lines and is mainly active in the Greater Zurich Area.

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Products & services

Industry:Building MaintenanceCivil Engineering
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Civil engineering
Civil engineering works for utility lines, sewer connections and hydraulic engineering; undercrossings of roads, railways and forecourts as part of pipework and infrastructure projects.
Renovation work
Renovation and conversion work for private clients, construction companies and the public sector; demolition, alterations and extensions, plastering work, natural stone and tiling, core drilling.
Trenchless pipe construction (FREI BOHRTEC)
Trenchless installation of supply and disposal lines using pipe jacking, burst lining, earth rocket, as well as directional pipe jacking and wash boring.
Pipe jacking
Launch and reception pits, setting out of the bore, pulling in of pipes, filling injections, shafts and restoration/finishing works; underground utility crossings without damaging the surface.
Burst lining
Trenchless replacement of sewer lines or utility lines in the same alignment by splitting or bursting the existing pipes and simultaneously pulling in new pipes.
Earth rocket
Trenchless method for utility lines and service connections such as gas, water and electricity; suitable for careful undercrossings where space is limited.
Directional pipe jacking
Guided bores for service connections up to 30 m; pilot hole, reaming head and pull-in of HDPE pipes directly from the basement under the front garden.
Wash boring
Trenchless wash borings using a disassemblable system for transport to the basement; pipe pulling with water support, pipes up to 200 mm diameter and 50 m length.
24/7 picket service
Picket service for water main breaks, gas line breaks and faults in the EW network area; emergency response 24 hours a day, 365 days a year.
Reviews

Aggregated rating

Aggregated rating
3.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.36
★TrustpilotSoon
PProvenExpertSoon

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Location

Hinterdorfstrasse 29
8405 Winterthur

At a glance

Legal form
Corporation
UID
CHE-134.400.935
Founded
2023 · 3 years
Last commercial register change
November 30, 2023
Employees
11 to 20

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