Bathymetric Surveys
- Yakima County East West Connector: HLA provided all of the land surveying service for a new bridge over the Yakima River and adjacent roadway improvements. This included providing detailed topography and cross sections of the river, locating all buildings and improvements within the project area, installing underground and above ground utilities, locating all of the section corners and roadway monuments in the area, calculating existing road right-of-way and property lines, and preparing right-of-way plans and legal descriptions for right-of-way acquisition to WSDOT standards.
- City of Prosser Wine Country Road: HLA provided all of the land surveying service for a new bridge over the Yakima River and adjacent roadway improvements. This included providing detailed topography and cross sections of the river, surveying the existing bridge, locating all of the section corners and roadway monuments in the area, calculating existing road right-of-ways and property lines, and preparing right-of-way plans and legal descriptions for right-of-way acquisition to WSDOT standards. HLA provided all of the construction staking for the project. Following bridge construction HLA prepared a DNR lease survey.
- Sunnyside Irrigation District Mabton Trestle: HLA provided all of the land surveying services for the design of a new irrigation trestle crossing the Yakima River. The project included providing detailed topography and cross sections of the river, locating all improvements within the project area, and underground and above ground utilities.
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