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CIVL 446 Project II : UBC South Campus Stormwater Detention Facility; South Campus Stormwater Detention Facility

University of British Columbia. Campus and Community Planning

The South Campus of UBC faces considerable risks in the case of extreme stormwater events from 10-year and 100-year floods. The project objectives are to minimize the flood water damage and erosion to the cliffs by designing a stormwater detention system to store the floods that may occur in the South Campus of UBC. The major concerns include significant damage to important buildings in the area and erosion of the cliffs on the opposite side of SW Marine Dr. The most viable solution is to build stormwater detention facilities to store the floodwater and release it at a rate that will reduce erosion to acceptable levels. Increasing the size of certain pipes and culverts may be necessary to handle the extra water flow. This report details chosen designs that are the most effective regarding functionality, construction and maintenance costs, and environmental impacts. Using data and rainfall models obtained through reports by GeoAdvice and Urban Systems, areas with the largest flood volumes are focused on for the most efficient location of the detention facilities. A single location will host a multi use dry pond facility with two other locations hosting cylindrical fiberglass tanks. The intersection of Wesbrook Mall and SW Marine Dr will accommodate a large dry pond facility with a 3000 m³ capacity, and cylindrical fiberglass tanks will be installed at Wesbrook and 16th Ave and TRIUMF Centre with 1135 m³ and 210 m³ capacities respectively. These designs accomplish the technical requirements of the project effectively, and these are cost effective, environmentally sustainable and in line with UBC sustainability goals. The multipurpose dry pond facility engages the community and invites community ownership with its design, which encourages the facilities use outside of storm events. After detailed analysis of the different components of the project, the total cost is $3,619,054. The duration of this project is estimated to be 161 days, starting notifications at the beginning of March, and finishing construction by the start of September 2016. Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”

Text

UBC Social Ecological Economic Development Studies (SEEDS) Student Report; University of British Columbia. CIVL 446

Vancouver : University of British Columbia Library

10.14288/1.0343074

Applied Science, Faculty of; Civil Engineering, Department of

Unreviewed

http://creativecommons.org/licenses/by-nc-nd/4.0/