Stormwater Management
Stormwater Infiltration Solutions
Stormwater Management Quality & Flow Control Design
Stormwater Management Pollution Prevention Plans
Utility Designs
Sanitary Sewer, Potable Water and electrical Ductwork
Drainage & Hydraulic Reports
Specifications Review & Estimates
Grading & Stormwater Permit Acquisition Assistance

Utility Designs: Sanitary Sewer, Potable Water, and Electrical Ductwork:

• 1,700 feet of 36” Sanitary Sewer including a 54” jacked casing pipe below an active BNSF railroad.

• Sewer, Water, and Electrical Duct design for 1-1/2 miles of the South Lake Union Street car project on Westlake, Terry, and Fairview Avenues.

• Design of over 5,000 LF of 12 inch water main, Harbor Island.

• Design of Electrical Ductwork for Sound Transit advance utility relocation immediately adjacent to the Paramount Theater, City of Seattle.