Stormwater treatment, permitting, and drainage improvements at a heavy-cargo handling industrial facility.
 

  • Stormwater treatment Level 3 Engineering Report (for Industrial Stormwater General Permit compliance).

  • Permitting lead: SEPA/Land Use, City of Seattle drainage and construction,
    on-site checklist ("LID"), Ecology Construction General Stormwater Permit
    and SWPPP.

  • Pump station and force-main design.

  • Hydrological modeling (WWHM and MGS Flood) for flow control requirements. Reduced overall detention volume needed by utilizing non-standard technology, including acceptance by permitting authority.

Stormwater treatment and permitting for a family-owned petroleum
distribution facility

 

  • Stormwater treatment Level 3 Engineering Report (for Industrial Stormwater General Permit compliance).

  • Pump station, force-main, and drainage design.

  • Coordination with treatment system vendor.

  • City permitting.

  • Upon start-up of the stormwater treatment system, owner commented "Now I can sleep at night" -- referring to the decreased risk of being targeted for third-party lawsuits under the Clean Water Act.

Stormwater treatment for cargo shipping yard
 

  • Stormwater treatment Level 3 Engineering Report (for Industrial Stormwater General Permit compliance).

  • Survey coordination.

  • Worked with a team consisting of business tenant, civil engineer, stormwater consultant, and treatment vendor to enable tenant to save costs by completing portions of construction in-house.

Industrial wastewater discharge permit support for a regional port
maintenance facility

 

  • Permit-required quarterly sampling and analytical laboratory coordination.

  • Data management.

  • Reporting.

  • SOP development.

Drainage design and permit support for residential and commercial remodel, re-development, and new construction projects
 

  • MEC works with project teams that often include home and business owners, architects, contractors, site civil and structural engineers, landscapers, surveyors, and wetland/environmental specialists.

  • Drainage design (drawings and details).

  • Drainage review reports (drainage assessments).

  • Check-lists, planning, and design of LID (also known as green stormwater infrastructure, or on-site stormwater management).

  • Flow control and detention design; hydrological modeling/calculations.

  • City and county permitting.

  • Short plats.

  • Options analysis.

On-call stormwater services for a large regional port
 

  • Contracted to support stormwater management at marine industrial, shipping, and commercial facilities.

  • Stormwater quality characterization sampling, data analysis, and reporting.

  • Drainage assessment.

  • Specification, procurement, installation, and start-up of a stormwater treatment system to address Industrial Stormwater Permit Level 2.

Featured MEC Projects