Climate Pledge Arena
Seattle, WA · Sports & Recreation · Client: Mortenson Construction
Project details
Performed specialized construction survey work to support the erection of all structural metal systems.

Utilizing innovative methods in engineering design, surveying, and construction.
Land Development Engineering & Surveying, Inc. (LDES) is a multi-disciplinary civil engineering and surveying practice founded in 2004. It serves private developers, municipalities, counties, the State of Washington, and Native American tribes in Whatcom, Skagit, and Snohomish Counties. The business provides civil engineering, land surveying, stormwater management, construction administration, and land development services.
Yanni GholamPrincipal
Ramon LlanosCivil Engineering & Stormwater Lead
Raymond PetersonSurveying Lead
Delivering infrastructure design and planning services to public and private clients, including municipalities, counties, state agencies, and tribal authorities.
Assisting municipal and county jurisdictions with local infrastructure design and public works initiatives.
Providing engineering and planning support tailored to the unique infrastructure requirements of Native American tribes.
Partnering with private developers to design and permit residential, commercial, and mixed-use projects.
Employing advanced technology, including GPS robotic systems, to provide precise boundary, topographic, and construction layout data.
Providing high-precision layout and staking services to guide contractors during the build phase of infrastructure and building projects.
Creating detailed maps of physical features and elevations to support design and engineering analysis.
Managing project construction phases, ensuring compliance with specifications, and building strong relationships with jurisdictional authorities.
Overseeing timelines, quality control, and coordination among contractors, clients, and regulatory agencies.
Liaising with local municipalities and state agencies to secure approvals and ensure permit compliance during construction.
Designing comprehensive systems to manage runoff, control erosion, and protect local watersheds while adhering to environmental policies.
Engineering retention ponds, bioswales, and conveyance systems to handle stormwater runoff.
Assisting clients in navigating complex local and state environmental regulations.
Providing certified erosion and sediment control lead services to monitor construction sites and prevent environmental degradation.
Guiding clients through every phase of the development lifecycle, from initial feasibility studies to final project delivery.
Work in this area is organized into supported delivery tasks.
Support includes Utilizing Autodesk Civil 3D to create highly accurate technical drawings.
Support includes construction plans.
Support includes site layouts.
Land Development · Government · Stormwater & Flood Control · Transportation · Bridges · Natural Resources · Sports & Recreation
Seattle, WA · Sports & Recreation · Client: Mortenson Construction
Performed specialized construction survey work to support the erection of all structural metal systems.
Whatcom County, WA · Transportation
An award-winning municipal pathway project recognized with the FHWA Award of Excellence for Best Special Project.
Bellingham, WA · Stormwater & Flood Control
A stormwater management project that earned the APWA Local Civil Engineering Achievement Honor Award and ASCE Project of the Year.
Bellingham, WA · Aviation
A complex aviation infrastructure project involving technical alignment and surveying services.