Manhole spacing along sewerage network

Abstract

Predložene su izmjene postojeće prakse u određivanju najvećeg razmaka kontrolnih okana na ravnim potezima kanala istog poprečnog presjeka, koja je nasljeđe tehnološkog stanja razvoja postupaka održavanja kanalske mreže iz prve polovice prošlog stoljeća. Prikazane su i obrazložene mogućnosti novih tehnologija održavanja koje omogućavaju bitno veće minimalne razmake. Uštede su moguće na svim sustavima javne odvodnje, a naročito u području odvodnje oborinskih voda s prometnica.The authors propose a change in current practice relating to maximum spacing among manholes on straight sections of ducts of similar cross section. This spacing is a remnant of sewerage system maintenance practices that have been in use since the first half of the past century. Advantages of novel maintenance technologies, enabling adoption of much greater minimum distances among manholes, are presented and explained. Considerable savings can thus be made on all public drainage systems, and especially in the sphere of rainwater drainage from roadways

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