Sewer and pipe cleaning

• New construction flushing
• Periodic maintenance flushing
• Gutter cleaning
• Roof water and seepage pipe
• Milling of hard deposits
• and root ingrowths

Suction work

• Sludge collectors, pump shafts
• Oil and fuel separators
• Septic tanks and small sewage treatment plants
• Ponds and biotopes

Cleaning

• Kitchen, bathroom, shower and
• Lavabo drains
• Seepage pipes
• Roof water and terrace drains
• Sewage and underground pipes

Sewer televising and locating

• New construction acceptance
• Condition monitoring
• Digital recording and
• Logging with WinCan V8
• Sewage and underground pipes
• Monitoring of sewer cleaning and milling work

Leakage testing

• Tightness testing of wastewater systems with air or water pressure
• Tests for water protection applications for building permits
• Tests according to SIA standard 190 and guidelines of the VSA << leak tests on wastewater systems>> edition 2002

High-pressure cleaning:

• Well cleaning
• Surface cleaning of forecourts
• and parking garages
• Washing of underpasses and
• Support walls
• Cleaning of retention basins

Hesan remediation technology:

• Punctual remediation of the damaged area
• without loss of cross-section
• no preparatory work required on site
• applicable to all pipe materials
• (also PE, PP, PVC)
• www.hesan.ch