120” CMP Culvert

Project Location
Canton, Illinois.
Construction cost
$500,000 - $1250/ft.
Construction Start/End
05/2001 - 11/2001


When was it constructed and how long has it been in service:

Diameter of line, sewer pipe material (RCP, MCIP, brick, etc.), length of rehab portion: 120” CMP (400’ – double barrel).

Depth of pipe:
35 feet.
Depth of ground water:
10 feet.
Health and safety:
Used conventional confined space entry program.
Has any re-inspection been performed? What was the condition of the pipe?
Yes, in Jan 2009; report states that “Overall, the system has performed well” but some minor cracking and gouges due to large debris impact.

Mr. Nicholas Volk
Illinois Dept. of Transportation
Telephone: 309-691-5355
IDOT Contract #88750


Ventilation and odor control used:
Not required (good natural ventilation).
Rehab method used:
Danby Panel Lok IIIE (spirally wound) with full annulus grouting with cementitious grout with minimum compressive strength of 6000 psi.
Cleaning method used (if required) and who cleaned the line:
High pressure (3,000 - 10,000 psi) water blasting performed by the Danby contractor (L. J. Keefe Inc./Chicago).
Method of flow bypass or diversion, if used:
Flows 100% diverted during work day to second barrel while lining was underway in first barrel.


Problems encountered during construction:
Some problems with QC of grout supplier resulting in variations in grout mix properties. Better vendor QC solved problem.
Problems encountered after construction: