Hydrological substantiation of the parameters and design of the drainage system in the conditions of the technologically loaded territory of St. Petersburg (on the example of the Sakharov Park

The water regime of populated areas has been significantly altered due to a decrease in natural drainage. The excessive surface runoff generated by the development of the area requires a justification for its disposal. The purpose of this research is to provide a hydrological justification for the parameters and design solutions of drainage systems necessary to ensure the water regime of the park area. The article presents the calculation of the parameters and design solutions for the drainage system of the Sakharov Park, as well as the demonstration of the need for a comprehensive approach to technologically loaded areas. After analyzing the natural, climatic, and technical conditions, a methodology was developed for calculating the parameters of a closed drainage network. The results of the modeling have established the locations of the drainage and confirmed that the system copes with the task of the disposal of surface runoff.

1. RMD40-20-2016. Installation of water supply and sanitation networks in St. Petersburg: a regulatory and technical document / Government of St. Petersburg. St. Petersburg, 2016. Official website. URL: https://docs.cntd.ru/ document/ 4 56019724? ysclid=mqkrgyfx2376384108 (accessed February 12, 2026).

2. Methodology for calculating the volume of organized and unorganized rain, snowmelt and drainage runoff in municipal sewerage systems. St. Petersburg: Ecology and Law, 2000.

3. Methodology for calculating the hydrological characteristics of technogenically loaded territories: STP VNIIG 210.01. NT-05 / JSC VNIIG named after B.E. Vedeneev. – St. Petersburg, 2005. Official website. URL: https://files.stroyinf.ru/Data2/1/4293810/4293810427.pdf?ysclid=mqkroqg2aa273843229 (accessed February 16, 2026).

4. Ministry of Construction and Housing and Communal Services of the Russian Federation. Methodological guide: Recommendations for calculating systems for collecting, diverting and purifying surface runoff from residential areas, enterprise sites and determining the conditions for its release into water bodies. Moscow: Ministry of Construction of the Russian Federation, 2015.

5. SP 32.13330.2018. Sewage system. Outdoor networks and structures: updated edition of SNiP 2.04.03-85. Moscow: Ministry of Construction of Russia, 2018.

6. Rosstroy. FSUE “VODGEO Research Institute”. Recommendations for calculating systems for collecting, diverting and cleaning surface runoff from residential areas… (example of calculating quantitative characteristics of surface runoff). Moscow, 2006. Official website. URL: https://files.stroyinf.ru/Data2/1/4293841/4293841863.pdf?ysclid=mqkrs51qb8827430859 (accessed February 14, 2026).

7. SP 104.13330.2016. Engineering protection of the territory from flooding and flooding: updated edition of SNiP 2.06.15-85. Moscow: Ministry of Construction of Russia, 2017.

8. SP 116.13330.2012. Engineering protection of territories, buildings and structures from dangerous geological processes. Main provisions: updated edition of SNiP 22-02-2003. Moscow: Ministry of Regional Development of Russia, 2012.

9. SNiP 2.07.01-89*. Urban planning. Planning and building of urban and rural settlements: as amended No. 1, 2000. Moscow: Gosstroy of the USSR, 1989.

10. Sevzapgeologiya report. Hydrogeological, engineering, geological and geoecological studies at the site of Antonovskaya St. – Klyuchevaya St. (Kalininsky district of St. Petersburg) in order to develop measures to eliminate flooding. St. Petersburg, 2002.

11. Spatial data portal “National Spatial Data System” URL: https://nspd.gov.ru/map?thematic=PKK&zoom=14.482511140393079&coordinate_x=3385922.3319840273&coordinate_y=8394532.081593554&baseLayerId=36345&theme_id=1&is_copy_url= true (accessed: 06.12.2025).

12. algorithm_sp.pdf– URL: https://neodrain.ru/static/algoritm_sp.pdf (date of request: 06.12.2025).

13. Nauchno-pravovaya osnova i praktika territorialnogo planirovaniya / I.D. Stafiychuk. Yu.G. Bezborodov. R.R. Khisamov. K.A. Donguzov. Moskva: Rossiyskiy gosudarstvennyy agrarnyy universitet. 2025. 254 s.

14. Kalinichenko R.V. Dewatering and drainage as a method of preliminary drainage of the territory of Academician Sakharov Park in St. Petersburg / R.V. Kalinichenko, K.S. Semenova, O.V. Kablukov // Prirodoobustrojstvo. 2022. No. 5. – P. 36-44. DOI: 10.26897/1997-6011-2022-5-36-44. EDN: YQYSMC