Tag:TV-inspection

№6|2014

EQUIPMENT OPERATION EXPERIENCE

bbk 000000

UDC 628.24:621.397

Shchavelev A. S., Tsvilii S. V., Slivenko K. B.

The experience of introducing TV-inspection of sewers

Summary

Sustainable operation of utility distribution systems is an essential condition of ensuring comfortable life in megacities. Integrity and long operational life are the main requirements to the different-purpose pipelines (gas and water supply, sewers etc.). Regular TV-inspections of sewer condition provide for more efficient distribution of operation and repair expenditures, reduction of emergency repairs. The practical experience of establishing a TV-inspection laboratory in «Tumen Vodokanal» LLC and the results of its activities during 2011–2013 are presented. TV-inspection is an advanced technology of evaluating technical condition of underground utility distribution pipelines and engineering structures. The efficiency of the pipeline TV-inspection method when introduced into the flow process is shown. For the entire period of operation the TV-inspection laboratory specialists have investigated more than 350 objects, i. e. more than 46 kilometers of sewers, among them 30 kilometers of newly built networks. By means of using TV-inspection the time for determining the causes and locating blockages, leaks and other sewer pipe failures is reduced. Therefore, the amount of excavating and hence the general cost of repair works is reduced. Significant improving the culture and quality of construction works is an unconditional success of the laboratory activities. During two and a half years of the laboratory operations the number of facilities approved for operation on the first try increased more than 10-fold, whereas the number of defects to be eliminated with relaying or repair of pipe sections reduced more than 20-fold.

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