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UDC 628.292.65.011.4

Ignatchik S. Iu.

Estimation of reliability, safety and investment efficiency of a wastewater disposal system

Summary

Basic principles of the procedure of estimating reliability and safety of wastewater transportation for treatment at reduced operational lifetime investments by the example of a sewerage network in Osinovaya Roscha settlement of the Leningrad Region are presented. The feasibility study of a sewerage network project design first defines the probability safety characteristics for each of the network elements; then probability and parametric reliability characteristics are determined. Hereafter the optimal network design is selected with the help of the said characteristics.

Key words

reliability , safety , sewerage network , investment construction project , net discounted expense

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