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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">inbure</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Инвестиции. Строительство. Недвижимость</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya vuzov. Investitsii. Stroitelstvo. Nedvizhimost</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2917</issn><issn pub-type="epub">2500-154X</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2917-2023-2-359-368</article-id><article-id custom-type="elpub" pub-id-type="custom">inbure-87</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕХНИЧЕСКИЕ НАУКИ. СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES. CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Современное состояние, перспективы и пути развития систем водоснабжения и водоотведения, методы их расчета, построения и организации эксплуатации</article-title><trans-title-group xml:lang="en"><trans-title>Current state and prospects of water supply and sanitation systems, methods for their calculation, design, and operation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5460-4780</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чупин</surname><given-names>В. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Chupin</surname><given-names>V. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чупин Виктор Романович - доктор технических наук, профессор, заведующий кафедрой городского строительства и хозяйства,</p><p>664074, Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Victor R. Chupin - Dr. Sci. (Eng.), Professor, Head of the Department of Urban Construction and Economy.</p><p>83 Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">chupinvr@istu.edu</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>09</day><month>11</month><year>2023</year></pub-date><volume>13</volume><issue>2</issue><fpage>359</fpage><lpage>368</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чупин В.Р., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чупин В.Р.</copyright-holder><copyright-holder xml:lang="en">Chupin V.R.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://inbure.elpub.ru/jour/article/view/87">https://inbure.elpub.ru/jour/article/view/87</self-uri><abstract><p>В статье обсуждаются современные проблемы развития технологии формирования и организации функционирования систем водоснабжения и водоотведения, производится оценка достигнутых результатов, формируются цели и задачи дальнейших исследований. В связи с происходящими процессами Цифравизации и интеллектуализации социальных и технологических систем предлагается новая концепция построения и управления функционированием, развитием и консервацией систем водоснабжения и водоотведения населенных мест, городов и зданий. Эта концепция базируется на создании цифровых двойников всех элементов системы и ее подсистем, на управление ими в реально-виртуальном пространстве с использованием облачных технологий и специализированных программных комплексов. Для этих целей системы водоснабжения и водоотведения рассмотрены с позиции общих принципов организации, гидравлического расчета, формирования режимов эксплуатации, вероятностного характера отборов воды и поступления сточных вод, неопределенности в поведении и перспективных нагрузках сооружений, и с учетом других свойств, характерных для больших и сложных систем. В работе изложены основные задачи расчета и конструирования систем водоснабжения и водоотведения и кратко представлены методы их решения, которые реализованы в соответствующих программных комплексах, апробированных на практике и внедрены в реальный процесс проектирования, эксплуатации и консервации трубопроводных систем жилищно-коммунального хозяйства. Все оптимизационные модели основаны на критерии стоимости жизненного цикла систем водоснабжения и водоотведения.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers modern problems of developing a technology for managing water supply and sanitation systems. The main results achieved in this sphere are presented, and objectives for further research are outlined. Due to the ongoing processes of digitalization and intellectualization of social and technological systems, a new concept of design and operation management, development and conservation of water supply and sanitation systems of settlements, cities, and buildings is proposed. This concept is based on the creation of digital twins of all system and subsystem elements and their management in real and virtual space using cloud technologies and specific software systems. Forthese purposes, water supply and sanitation systems are considered from the perspective of general principles of organization, hydraulic calculation, formation of operation modes, the probabilistic nature of water withdrawals and wastewater inflows, uncertainty in the behavior and prospective loads of facilities, along with other characteristics typical of large and complex systems. The paper presents the main tasks for calculating and designing water supply and sanitation systems and briefly describes possible solutions, implemented in the relevant software packages, tested in practice in the actual process of designing, operating, and maintenance of piping systems of a housing and utilities infrastructure. All optimization models are based on the lifecycle cost criteria for water and sanitation systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>системы водоснабжения и водоотведения</kwd><kwd>методы моделирования и оптимизации</kwd><kwd>программная реализация и апробация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>water supply and sanitation systems</kwd><kwd>modeling and optimization methods</kwd><kwd>software implementation and testing</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мелехов Е.С. Развитие теории и практики моделирования и оптимизации систем водоснабжения и водоотведения. Иркутск: Изд-во Иркутского государственного технического университета, 2011. 323 с. EDN: TOGMNF.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Melekhov E.S. Development of theory and practice of modeling and optimization of water supply and sanitation systems. Irkutsk: Irkutsk National Research Technical University; 2011. 323 p. (In Russ.). EDN: TOGMNF.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин В.Р., Малевская М.Б. Выработка рекомендаций по минимизации последствий от аварийных ситуаций в системах водоснабжения // Водоснабжение и санитарная техника. 1994. № 4. С. 8–9.</mixed-citation><mixed-citation xml:lang="en">Chupin V.R., Malevskaya M.B. Development of recommendations to minimize the consequences of emergencies in water supply systems. Vodosnabzhenie i sanitarnaya tekhnika = Water supply and sanitary technique. 1994;4:8-9. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Pham N.M., Chupin V.R. Pressureflow and Free-flow Discharge Modes in Closed-Loop Sewage Systems // IOP Conf. Series: Materials Science and Engineering. 2017. Vol. 262. P. 012079. https://doi.org/10.1088/1757-899X/262/1/012079.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Pham N.M., Chupin V.R. Pressureflow and Free-flow Discharge Modes in Closed-Loop Sewage Systems. IOP Conf. Series: Materials Science and Engineering. 2017;262:012079. https://doi.org/10.1088/1757-899X/262/1/012079.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В. Оптимизация развивающихся систем водоотведения. Иркутск: Изд-во Иркутского государственного технического университета, 2015. 417 с. EDN: UOATQZ.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V. Optimization of developing wastewater disposal systems. Irkutsk: Irkutsk National Research Technical University; 2015. 417 p. (In Russ.). EDN: UOATQZ.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин В.Р., Мелехов Е. С., Чупин Р.В. Развитие методики гидравлических расчетов систем водоотведения // Вода и экология: проблемы и решения. 2010. № 1. С. 3–11.</mixed-citation><mixed-citation xml:lang="en">Chupin V.R., Melehov E.S., Chupin R.V. The development of water disposal system hydraulic calculation technique. Voda i ekologiya: problemy i resheniya = Water and Ecology: Problems and Solutions. 2010;1:3-11. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Mayzel I.V., Chupin V.R. Trajectory of Sewerage System Development Optimization // IOP Conf. Series: Materials Science and Engineering 2017. Vol. 262. P. 012080 https://doi.org/10.1088/1757-899X/262/1/012080.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Mayzel I.V., Chupin V.R. Trajectory of Sewerage System Development Optimization. IOP Conf. Series: Materials Science and Engineering. 2017;262:012080. https://doi.org/10.1088/1757899X/262/1/012080.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В. Напорное – безнапорное движение стоков в системах водоотведения кольцевой структуры // MOTROL. 2014. Vol. 16. No. 5. P. 3–15.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V. Pressure and without pressure motion of flows in sewage system with circular structure. MOTROL. 2014;16(5):3-15. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Бобер А.А. Повышение надежности проектируемых и реконструируемых систем водоотведения // Вестник Иркутского государственного технического университета. 2012. № 9 (68). С. 113–119. EDN: PDCFZT.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Bober A.A. Increasing reliability of designed and reconstructed water disposal systems. Vestnik Irkutskogo gosudarstvennogo tekhnicheskogo universiteta = Proceedings of Irkutsk state technical university. 2012;9:111-119. (In Russ.). EDN: PDCFZT.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Pham N.M., Chupin V.R. Optimization of development schemes for group water supply systems under uncertainty of prospective water consumption // E3S Web of Conferences: Mathematical Models and Methods of the Analysis and Optimal Synthesis of the Developing Pipeline and Hydraulic Systems. 2019. Vol. 102. P. 03004. https://doi.org/10.1051/e3sconf/201910203004. EDN: VWEGVS.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Pham N.M., Chupin V.R. Optimization of development schemes for group water supply systems under uncertainty of prospective water consumption. E3S Web of Conferences: Mathematical Models and Methods of the Analysis and Optimal Synthesis of the Developing Pipeline and Hydraulic Systems. 2019;102:03004. https://doi.org/10.1051/e3sconf/201910203004. EDN: VWEGVS.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Pham N.M., Chupin V.R. Optimal reconstruction of water supply network under conditions of reduced water consumption // E3S Web of Conferences: Mathematical Models and Methods of the Analysis and Optimal Synthesis of the Developing Pipeline and Hydraulic Systems. 2019. Vol. 102. P. 03005. https://doi.org/10.1051/e3sconf/201910203005. EDN: ZVVDOU.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Pham N.M., Chupin V.R. Optimal reconstruction of water supply network under conditions of reduced water consumption. E3S Web of Conferences: Mathematical Models and Methods of the Analysis and Optimal Synthesis of the Developing Pipeline and Hydraulic Systems. 019;102:03005. https://doi.org/10.1051/e3sconf/201910203005. EDN: ZVVDOU.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Pham N.M., Chupin V.R. Optimization of the sewerage systems scheme of cities and populated areas // IOP Conf. Series: Materials Science and Engineering. 2019. Vol. 667. P. 012018. https://doi.org/10.1088/1757-899X/667/1/012018. EDN: RVXXLA.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Pham N.M., Chupin V.R. Optimization of the sewerage systems scheme of cities and populated areas. IOP Conf. Series: Materials Science and Engineering. 2019;667:012018. https://doi.org/10.1088/1757-899X/667/1/012018. EDN: RVXXLA.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мелехов Е.С. Повышение пропускной способности системы водоотведения поверхностного водостока // Водоочистка. Водоподготовка. Водоснабжение. 2010. № 9. С. 42–48.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Melekhov E.S. Increasing the throughput capacity of the surface drainage system. Vodoochistka. Vodopodgotovka. Vodosnabzhenie. 2010;9:42-48. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Шишелова Т.И., Бобер А.А. Напорное – безнапорное движение стоков в системах водоотведения кольцевой структуры // Фундаментальные исследования. 2012. № 11-6. С. 1480– 1486.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Shishelova T.I., Bober A.A. Thepressure – non-pressure movement of drains in ring systems of water removal. Fundamental'nye issledovaniya = Fundamental research. 2012;11-6:1480-1486. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V. Comprehensive optimization of water supply and sanitation // Science and Engineering. 2020. Vol. 880. P. 012050. https://doi.org/10.1088/1757-899X/880/1/012050.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V. Comprehensive optimization of water supply and sanitation. Science and Engineering. 2020;880:012050. https://doi.org/10.1088/1757899X/880/1/012050.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Chupin R.V., Melekhov E.S. Justification of the parameters of developing water supply and sanita-tion systems based on their electronic models // IOP Conference Series: Materials Science and Engi-neering. 2020. Vol. 880. P. 012050. https://doi.org/10.1088/1757-899X/880/1/012050.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Melekhov E.S. Justification of the parameters of developing water supply and sanitation systems based on their electronic models. IOP Conference Series: Materials Science and Engineering. 2020;880:012050. https://doi.org/10.1088/1757899X/880/1/012050.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мелехов Е.С. Развитие методики гидравлических расчетов систем дождевой канализации // Водоочистка. Водоподготовка. Водоснабжение. 2010. № 4. С. 32–36.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Melekhov E.S. Development of methods of hydraulic calculations of rainwater drainage systems. Vodoochistka. Vodopodgotovka. Vodosnabzhenie. 2010;4:32-36. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Pupyrev E.I., Chupin R.V., Gogina E.S., Makisha N.A., Nechaev I.A., Pukemo M.M. Elaboration of a Regional Concept for Developing a Water Disposal System for the Central Ecological Zone of the Baikal Natural Territory // Water Resources. 2020. Vol. 47. No. 4. P. 663–671. https://doi.org/10.1134/S0097807820040144.</mixed-citation><mixed-citation xml:lang="en">Pupyrev E.I., Chupin R.V., Gogina E.S., Makisha N.A., Nechaev I.A., Pukemo M.M. Elaboration of a regional concept for developing a water disposal system for the central ecological zone of the Baikal natural territory. Water Resources. 2020;47(4):663-671. https://doi.org/10.1134/S0097807820040144.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Nguyen T.A., Nguyen T.N.H., Chupin R.V. Phuơng pháp tối ưu hóa thiết kế, sửa chữa và nâng cấp hệ thống thoát nước // Tạp chí khoa học công nghệ xây dựng. 2017. No. 32 (01). P. 68–74.</mixed-citation><mixed-citation xml:lang="en">Nguyen T.A., Nguyen T.N.H., Chupin R.V. Phuơng pháp tối ưu hóa thiết kế, sửa chữa và nâng cấp hệ thống thoát nước. Tạp chí khoa học công nghệ xây dựng. 2017;32(01):68-74. (In Vietnam).</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мороз М.В., Бобер В.А. Обоснование диаметров трубопроводов систем водоснабжения и водоотведения на основе минимизации затрат их жизненного цикла // Водоснабжение и санитарная техника. 2022. № 4. С. 52–58. https://doi.org/10.35776/VST.2022.04.07. EDN: CIOYJH.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Moroz M.V., Bober V.A. Substantiation of the diameters of pipelines of water supply and wastewater disposal systems based on minimizing the costs of their life cycle. Vodosnabzhenie i sanitarnaya tekhnika = Water supply and sanitary technique. 2022;4:52-58. (In Russ.). https://doi.org/10.35776/VST.2022.04.07. EDN: CIOYJH.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мороз М.В. Применение автомобильного транспорта в системах группового водоснабжения и водоотведения // Водоснабжение и санитарная техника. 2021. № 5. С. 57–64. https://doi.org/10.35776/VST.2021.05.07. EDN: RDVUAL.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Moroz M.V. The use of road transport in the systems of group water supply and wastewater disposal. Vodosnabzhenie i sanitarnaya tekhnika = Water supply and sanitary technique. 2021;5:57-64. (In Russ.). https://doi.org/10.35776/VST.2021.05.07. EDN: RDVUAL.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Мороз М.В., Витязева М.М. Оценка возможности применения расчета тепловой мощности системы отопления с помощью программного комплекса AutodeskRevit // Известия вузов. Инвестиции. Строительство. Недвижимость. 2022. Т. 12. № 1 (40). С. 82–89. https://doi.org/10.21285/2227-29172022-1-82-89. EDN: PSGGNG.</mixed-citation><mixed-citation xml:lang="en">Moroz M.V., Vityazeva M.M. Assessment of the possibility of calculating the thermal performance of building heating systems using the Autodesk Revit software package. Izvestiya vuzov. Investitsii. Stroitel'stvo. Nedvizhimost' = Proceedings of Universities. Investment. Construction. Real estate. 2022;12(1):82-89. (In Russ.). https://doi.org/10.21285/2227-2917-2022-1-82-89. EDN: PSGGNG.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Мелехов Е.С., Майзель И.В., Чупин Р.В., Оптимизация многоуровневых систем водоснабжения и водоотведения // Вестник Иркутского государственного технического университета. 2011. № 9 (56). С. 90–100. EDN: OEEVZB.</mixed-citation><mixed-citation xml:lang="en">Melekhov E.S., Maizel I.V., Chupin R.V. Optimization of multilevel systems of water supply and sewerage. Vestnik Irkutskogo gosudarstvennogo tekhnicheskogo universiteta = Proceedings of Irkutsk state technical university. 2011;9:90-100. EDN: OEEVZB.</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Мороз М.В., Чупин В.Р. Проектирование систем водоснабжения и водоотведения в условиях нечетких значений перспективного водопотребления и численности населения // Водоснабжение и санитарная техника. 2022. № 11. С. 16–25. https://doi.org/10.35776/VST.2022.11.02. EDN: XXZIEA.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Moroz M.V., Chupin V.R. Proektirovanie sistem vodosnabzheniya i vodootvedeniya v usloviyakh nechetkikh znachenii perspektivnogo vodopotrebleniya i chislennosti naseleniya. Vodosnabzhenie i sanitarnaya tekhnika = Water supply and sanitary technique. 2022;11:16-25. (In Russ.). https://doi.org/10.35776/VST.2022.11.02. EDN: XXZIEA.</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин В.Р., Мороз М.В. Метод поиска максимального потока минимальной стоимости в задачах обоснования структуры и параметров систем группового водоснабжения и водоотведения // Известия высших учебных заведений. Строительство. 2020. № 11 (743). С. 63-74. https://doi.org/10.32683/0536-1052-2020-743-11-63-74. EDN: DTELVE.</mixed-citation><mixed-citation xml:lang="en">Chupin V.R., Moroz M.V. Method for finding the maximum flow of the minimum cost in the problems of substantiating the structure and parameters of group water supply and sanitation systems. Izvestiya vysshikh uchebnykh zavedenii. Stroitel'stvo = News of higher educational institutions. Construction. 2020;11:63-74. https://doi.org/10.32683/0536-10522020-743-11-63-74. EDN DTELVE.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">Чупин Р.В., Примин О.Г. Обоснование параметров новых и реконструируемых систем водоотведения в условиях неопределенности перспективного потребления воды и сброса стоков // Водоснабжение и санитарная техника. 2017. № 11. С. 36–45. EDN: ZRKPZR.</mixed-citation><mixed-citation xml:lang="en">Chupin R.V., Primin O.G. Substantiation of the wastewater disposal system parameters in the context of projected water consumption and wastewater discharge uncertainty. Vodosnabzhenie i sanitarnaya tekhnika = Water supply and sanitary technique. 2017;11:36-43. (In Russ.). EDN: ZRKPZR.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
