Portfolio Category: Washington

Fisher Creek Campus

Fisher Creek Campus
ELS worked with project engineers to design and permit a wetland mitigation project that incorporated stormwater treatment in accordance with the Stormwater Management Manual for Western Washington for the new Corporate Campus of Fisher Investments, located in the Grass Valley area of Camas, Washington.  Several elements combining wetland and habitat mitigation were integrated with stormwater…
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Ensign Lane Road Expansion

Ensign Lane Road Expansion
The Ensign Lane Road Expansion project, located in the North Coast Business Park, in Warrenton, Oregon involved delineating wetlands within the 150-foot right-of-way of the proposed road alignment.  ELS coordinated with Clatsop County surveyors to have the corridor flagged and partially brushed to make field work more efficient.  We were able to apply knowledge gained…
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Critical Areas Ordinance Update

Critical Areas Ordinance Update
ELS has twice been contracted by the City of Longview to update their critical areas ordinance (CAO), first in 2006 and then again in 2015. This included providing background research of best available science (BAS) documents and an updated BAS bibliography of newly prepared published research. A summary report of the BAS review and an…
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Coweeman Mitigation Bank

Coweeman Mitigation Bank
The Coweeman Mitigation Bank (Bank) is the first mitigation bank in Washington to offer compensatory mitigation credits for both wetland and fish habitat impacts.  The Bank encompasses approximately 300 acres, including 174 acres of old growth forest, adjoining the Coweeman River in Kelso, Washington. The general goals of the Bank project are to restore wetland…
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Clark Creek Water Main Relocation

Clark Creek Water Main Relocation
The project consisted of replacing and relocating 350 feet of a 10-inch water main that was damaged by a land slide on Clark Creek Road in Cowlitz County. The replacement water main used approximately 280 linear feet of existing pipe, which was unaffected by the landslide.  The eastern portion was re-routed approximately 50 feet to…
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