The Town of Castle Rock is soliciting bids for the construction of roadway maintenance improvements and parking lots at the Lost Canyon Ranch Open Space. The project includes regrading and reshaping the existing dirt road, installing retaining walls, and constructing a trailhead parking area. The successful bidder will be required to provide a Certificate of Insurance, a Performance Bond, and a Labor and Material Payment Bond. The project is expected to commence within two weeks after the notice of award and must be substantially completed by May 21, 2026, and finally completed by June 4, 2026. Key aspects of the project include: • Roadway regrading and reshaping • Retaining wall construction • Trailhead parking area construction • Culvert installation • Concrete flatwork • Seeding and blanketing • Erosion control The bidder must have experience in building gravel roadways, gravel parking lots, concrete flatwork, and utilities, and must self-perform at least 51% of the construction value.