TRADELABOR has more than 20 years of experience in the control and treatment of air, working with an experienced and qualified technical staff and with the most advanced technology in this area, which together guarantee the quality of the services provided.
Strategies for meeting the requirements in this manual depend on a number of site
factors, including infiltration capacity, available infrastructure, proposed development
plans, and the drainage basin the proposed development is in. The applicant’s ability to
effectively use the design standards in this manual depends on a demonstrated
understanding of the development site’s ecology and of the upstream and downstream
impacts resulting from stormwater management improvements. The standards
addressed in this manual are intended to make site-specific improvements to properties
across the City and to comprehensively manage stormwater by watershed.
Stormwater management is critical to maintaining and enhancing the City’s livability
and improving watershed health. The Stormwater Management Manual allows the City of
Portland to protect both watershed resources and infrastructure investments with every
land improvement. As each development and redevelopment project meets the
requirements of this manual, it will contribute to achieving these important citywide
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