The Chatham Acres Restoration contract is a medium‑size public‑works project undertaken by Snohomish County to restore approximately 27 acres of riparian habitat along the North Fork Stillaguamish River. The scope includes extensive site preparation, clearing and grubbing, engineered log‑jam (ELJ) installations, drainage and ditch excavation, erosion‑control measures, temporary bridges and access structures, fencing, de‑watering, and seeding/vegetation work. The contract was awarded to OMA Construction Inc on a firm‑fixed‑price basis, with a total bid of $663,770, which is slightly under the engineer’s estimate of $693,383.44. The project emphasizes habitat restoration, low‑impact construction techniques, and compliance with state environmental standards.
• Site work: mobilization, clearing, archaeological salvage, drainage, erosion control, and rock placement.
• Specialized structures: engineered log‑jams, temporary bridge, high‑visibility fencing, and temporary access/staging areas.
• Environmental actions: weed & pest control, seeding, and habitat‑restoration measures.
• Procurement: full open competition with six bidders; award made to OMA Construction Inc, a certified MWBE‑qualified contractor.