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Technical paper: Small diameter tunnels in sewer construction

J B Garnett, P.Eng., Gore & Storrie Ltd., Consulting Engineers, Toronto. This paper was first published in GE’s January 1969 edition.

The demand for utilities is related directly to the population growth. When engineering feasibility studies are carried out to determine the sewer needs of a community, it is an accepted principle that they take into consideration the projected population of the future and that the staged construction of the utilities be planned accordingly. By doing this, it is possible theoretically to schedule construction of sewers along lightly populated streets or through sparsely developed areas, thus greatly reducing construction costs. 

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