Sierra Wash Erosion Mitigation Project at Glover Road

The Town of Oro Valley is soliciting sealed bids to design, construct, and install a drainage‑infrastructure erosion‑mitigation system along Sierra Wash at Glover Road. The scope includes building a concrete chute spillway at the outlet of an existing three‑barrel reinforced concrete box culvert, installing a gabion mattress apron, and providing rock‑faced concrete slope protection. The work is funded in part by FEMA’s Hazard Mitigation Grant Program and must be completed within 75 calendar days of the Notice to Proceed. Bidders must be licensed contractors in Arizona and provide performance and payment bonds, insurance, and a business license. The project includes site preparation, concrete work, gabion structures, hydroseeding, and traffic‑control measures. Liquidated damages of $640 per day apply for late completion. <br/>• Concrete chute spillway and cutoff wall construction<br/>• Gabion apron and cutoff wall installation<br/>• Rock‑faced concrete slope protection<br/>• Clearing, grubbing, and site excavation<br/>• Traffic management and hydroseeding<br/>• Must comply with FEMA grant requirements and Arizona licensing