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Bravo Environmental smoke-testing to detect storm and sanitary cross connections

Click links below to see video examples
Smoke-testing video 1
Smoke-testing video 2


Infrastructure Inspection


Efficient and cost effective, smoke-testing has become a world-wide standard for finding leaks in sewer systems. By forcing smoke-filled air through a sewer or plumbing system, leaks can be quickly detected as smoke escapes through problem areas. This method involves pumping smoke through sanitary sewers from utility manholes in streets or within public easements while observing and documenting where smoke exits.

Depending on the specific circumstances, the exiting smoke can indicate the location of broken pipes, manholes and catch basins; or where roof or foundation drains might be connected to the sewer system. This indicates where infiltration or inflow might enter the sanitary sewer system. During the testing, smoke will typically appear from roof drains, catch basins or yard drains connected to the sewer system. The smoke may also appear from cracks in the pavement above the sewer, from landscaping above private side sewers, and around homes with foundation drains connected to the sewer.

Under some conditions, smoke may also appear in basements through unused floor drains, disconnected or faulty plumbing fixtures or other direct openings to connecting sewers. Visibility and odor last only a few minutes with adequate ventilation. This smoke is nontoxic, harmless and creates no fire hazard. Typically local fire and police authorities are notified and the inspection team is available at test sites to answer questions during the smoke-testing.

Smoke-Testing Video Presentation:

  • Large (Windows Media, broadband)
  • Small (Windows Media, modem)

Benefits of Hiring Bravo:

We have the ability to locate:

  • Storm and Sanitary cross conections
  • Buried structures; Manholes, Cleanouts, catch basins.
  • Cost effective source control
  • Pipe damage

Documentation includes:

  • Digital photos
  • Optional GPS data for xyz coordinates
  • Mpeg capture of smoke
  • Access based reporting with links to MPEGs
  • Site Address overlaid on video

Bravo can provide you with a digital photo showing the smoke leaks with the date, time and location. This will make it difficult to dispute data during reviews with property owners.

View documentation examples
Example 1
Example 2