Civil engineering design software "Detention Basin (Disaster Prevention Detention Basin) Capacity Calculation System"
The simplified rainfall intensity formulas can be selected from six types: Talbot type, Sherman type, Kuno-Ishiguro type, Kimishima type, Nagano Prefecture type, and Yamanashi Prefecture type.
The "Adjustment Pond (Disaster Prevention Regulation Pond) Capacity Calculation System" is a civil engineering design software that enables hydrological design for off-site and on-site retention facilities, referencing technical standards for disaster prevention regulation ponds, technical guidelines for watershed retention facilities, and technical guidelines for rainwater infiltration facilities. It can create rainfall intensity curves, calculate flood arrival times, estimate design sedimentation volumes, and compute the heights of flood outlets and non-overflow sections. Additionally, the EX version can calculate planned wastewater and rainwater volumes, allowing for the examination of flow capacities in separate and combined drainage systems. 【Features】 - Capable of hydrological design for off-site and on-site retention facilities - Can perform calculations for complete retention - Can calculate flood outlets and non-overflow section heights - Can perform calculations when infiltration facilities are used in conjunction - For on-site retention facilities, it can estimate ponding times *For more details, please refer to the PDF document or feel free to contact us.
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【Other Features】 - Supports runoff models where standalone infiltration facilities without systems, multi-stage infiltration facilities, and runoff from watersheds divided into multiple systems ultimately converge into a single infiltration facility. - Rainfall waveforms can be selected from forward concentration type, central concentration type, rear concentration type, or actual rainfall. - Compatible with rectangular and circular orifices, spillways (rectangular weirs), and pumps as discharge facilities. - Allows input of specifications for infiltration wells, infiltration trenches, infiltration ditches, permeable pavements, and infiltration ponds, and can calculate the design infiltration volume, average design head, and void storage capacity of the integrated facility based on the input specifications. 【Applicable Standards and References】 - [Supplementary Revision (Partial Modification)] Technical Standards for Disaster Prevention Retention Basins, etc. (Draft) May 2010 (Japan River Association) - Supplementary Revision Technical Guidelines for Watershed Retention Facilities, etc. (Draft) February 2021 (Rainwater Retention and Infiltration Technology Association) - Supplementary Revision Technical Guidelines for Rainwater Infiltration Facilities (Draft) Investigation and Planning Edition September 2006 (Rainwater Retention and Infiltration Technology Association) - Explanation of Technical Guidelines for Installation of Infiltration Facilities Established with Land Development February 1998 (Japan Land Development Association) - etc. *For more details, please refer to the PDF materials or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Our company is widely used by civil engineering firms for the development and sale of civil engineering design software. We provide comprehensive support for your business, including retaining walls, slopes, temporary structures, bridges, and cost estimation. Please feel free to contact us if you have any requests.