Сalculation of maintenance of surface drainage roofing of a German manufacturer

Authors

  • Tetiana M. Tkachenko Kyiv National University of Construction and Architecture, Kyiv, Ukraine https://orcid.org/0000-0003-2105-5951
  • Ivan O. Prokopenko Kyiv National University of Construction and Architecture, Kyiv, Ukraine

DOI:

https://doi.org/10.32347/2411-4049.2020.3.44-56

Keywords:

surface runoff, “green” roof, rain water, storage tank

Abstract

With the help of some green technologies, such as green roofs, quantitative and qualitative indicators of rainwater can be successfully adjusted. The big advantage of green roofs is the accumulation of moisture, which allows to delay the runoff of storm water, unloading the sewer system and preventing floods. However, an arbitrary increase in accumulated water in a standard green roof structure is not possible, because more amount of moisture can adversely affect vegetation. However, this option is available in the rainwater system on the green roof as an addition to other landscaping systems. The rainwater collection system on the green roof allows to accumulate on average 80 l/m² of rainfall and then release water into the sewer system for a certain period of time (from 24 hours to several days). The purpose of the study – to study the effect of surface runoff on the environment and reduce its negative impact with the help of green roofs. The calculation of the retained surface runoff by the roof of the German manufacturer was carried out according to the original author's method (Tkachenko, T., 2019). The reservoir volume was calculated using the author's advanced Wilo methodology adapted to the climatic conditions of Ukraine. The calculation of the retained surface runoff is done by the roof of the German manufacturer ZinCo. The "green" roof is located in Kiev. The area of the roof is 150 m2. ZinСo roof has been found to be able to hold 7950 liters of rainwater and thereby to reduce surface runoff by unloading storm wells. Roof efficiency for the reduction of surface runoff reaches 21.2%, which is a very good indicator. Purified rain water from green roofs can be collected in tanks and used for technical purposes. For collecting rain water from an intensive flat roof with an area of 150 m2, a 4 m3 tank is needed for an office staff of 8 people.

Author Biographies

Tetiana M. Tkachenko, Kyiv National University of Construction and Architecture, Kyiv

Doctor of technical sciences, Professor of the Department of Labor Protection and Environment

Ivan O. Prokopenko, Kyiv National University of Construction and Architecture, Kyiv

Student of the Department of Labor Protection and Environment

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Published

2020-09-17

How to Cite

Tkachenko, T. M., & Prokopenko, I. O. (2020). Сalculation of maintenance of surface drainage roofing of a German manufacturer. Environmental Safety and Natural Resources, 35(3), 44–56. https://doi.org/10.32347/2411-4049.2020.3.44-56

Issue

Vol. 35 No. 3 (2020): Environmental safety and natural resources

Section

Natural resources

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Copyright (c) 2020 Tetiana M. Tkachenko, Ivan O. Prokopenko

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