
Sewer & Drain Services
Flow plugging, flow diversion, and tightness testing for sewer and drainage networks.
Specialized services
We perform sewer work for the public and private sectors with specialized pneumatic equipment and trained crews.
Flow plugging and blocking with pneumatic and mechanical plugs
Flow diversion (bypass) in collectors for maintenance and repair
Air tightness testing of sewer and drainage lines
Vacuum and tightness testing of manholes
Leak and cross-connection detection through smoke testing
Deflection verification of flexible pipe with calibrated mandrels
Specialized Cherne® equipment
We work with Cherne® equipment — the international standard in pipe plugging and testing — allowing us to handle everything from household lines to large-diameter collectors safely and with verifiable results.

Pneumatic plugs
Flow blocking and diversion across a wide range of diameters, from household lines to collectors.

Test plugs
Reliable sealing for air or water tightness testing in any type of pipe.

Manhole testing
Vacuum and pressure equipment to verify manhole tightness to standard.
Cherne® is a registered trademark of Oatey Co. It is mentioned as a reference to the equipment used in our services.
Where does it apply?
Municipal networks
Sanitary and storm sewers, collectors, and outfalls in operation.
New developments
Tightness testing for handing networks over to the water utility.
Plants & industry
Industrial drains, sumps, and process lines.
Hospitals & buildings
Verification of sanitary networks in new construction and renovations.
