Hydroscope Canada Inc.

Hydroscope Cananda Inc.

Pica Pipeline Inspection and Condition Analysis Corporation

Lawrence B Staples

Yuwu Yu

Rodney K Ridley

Varagur S V Rajan

Shahani N Kariyawasam

Jens Winslow

Maher A Nessim

Varagur Sv Rajan

Jens Cb Winslow

A method of determining optimal repair options for cast iron and ductile iron water or wastewater pipe sections having a number of pipe-lengths is provided. The method includes the computer-implemented steps of inputting measured pipe-length wall dimensional data, determining pipe failure rates for current and future times based on the input data, defining one or more repair scenarios for the pipe, and determining the pipe failure rates for the defined repair scenarios. The pipe failure rate determinations are provided to the user as an output. The calculation of failure rates includes determining probability of pipe-length failure due to corrosion and determining probability of pipe-length failure due to transverse bending.

Maintenance optimization system for water pipelines

In accordance with the teachings of the present invention, a method is provided for analyzing RFT data from a data file. The method includes parsing the data file into pipe lengths, calculating a phase profile for the data points within each pipe length, locating potential defects in the pipe length using the phase profiles, determining for each defect a total equivalent phase shift as a combination of a circumferential equivalent phase shift and a non-circumferential equivalent phase shift, and using the total equivalent phase shift to analyze the defect.

Method and system for determining pipeline circumferential and non-circumferential wall loss defects in a water pipeline

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Edmonton, Canada

Lawrence B Staples