Demolition, site work and paving for a mixed-use development in Castle Rock, Colorado. Completed plans call for the demolition of a bridge / tunnel; for site work for a bridge / tunnel; road / highway; for paving for a road / highway; sidewalk / parking lot; sidewalk / parking lot; and water / sewer project.

As of September 21,2022, this project was awarded to Kraemer North America, awarded amount is $101,284,008.09. Separate sealed bids for proposed Federal Aid Project No. STU 0852-118 (23474) associated with US Highway 85 (Highlands Ranch Parkway to Dad Clark Gulch) Widening Project, Douglas County Project Numbers CI 2022-021 and CI 2011-025 he Disadvantaged Business Enterprise (DBE) goal of fifteen percent (15%) has been established for this Project. Douglas County, in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 US.C. 2000d to 2000d-4) and the Regulations, hereby notifies all bidders that it will affirmatively ensure that any contract entered into pursuant to this advertisement, disadvantaged business enterprise will be afforded full and fair opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, or national origin in consideration for an award. The Contract Goal for the minimum number of totals On the Job Training required for this Project is 28,160 hours. The contractor awarded a contract for this Project shall name CDOT and Douglas County as an additional insured on its general liability and automobile liability policies. Prior to submitting a Bid Proposal, Bidders shall have received prequalification status (active) with the Colorado Department of Transportation to bid on individual projects of the size and kind of work set forth herein. The Project consists of widening and reconstructing US Highway 85 between Highlands Ranch Parkway and Dad Clark Gulch (which is located approximately 1,200 feet north of County Line Road), requiring multiple complex construction phases. This Project requires: removal of the bridge that carries US 85 over C-470 and installation of new wider bridge over C-470, installation of several retaining walls which requires shoring in nine (9) major areas, installation of two (2) concrete box culverts one to carry the C-470 Trail under US 85 and one to carry the High Line Canal Trail under US 85, installation of major storm sewer system, installation of curb and gutter and median cover material, installation of a 10-feet wide concrete multi-use trail along the east side of US 85, installation of a joint utility trench and over 245,000 feet of electrical conduit, project requires over 100,000 tons of asphalt pavements, and several new traffic signals. All questions are due to Neil Sarno, Project Engineer by 5:00 p.m. on Tuesday, July 5, 2022. Any questions on the bidding process shall be directed to Neil Sarno, Project Engineer at nsarno@douglas.co.us or at 303.660.7490. The Project includes the following major items and approximate quantities: Removal of Concrete Pavement - 20,000 SY Removal of Asphalt Mat - 148,000 SY Embankment Material - 74,500 CY Structure Excavation - 36,300 CY Aggregate Base Course (Cl 6) - 79,400 TON Stone Matrix Asphalt - 20,500 TON Hot Mix Asphalt (PG 64-22) - 82, 800 TON Concrete Pavement (10-Inch) - 3,500 SY Steel Piling (HP 12x74) - 3,200 LF Drilled Shafts (12 to 54 ) - 17,400 LF Precast Panel Facing - 12,156 SF Concrete Class D (Box Culvert) - 736 CY Concrete Class G - 2,300 CY Concrete Class D (Wall) - 8,500 CY Reinforcing Steel - 380,000 CY Reinforcing Steel (Epoxy) - 1,900,000 CY RCP (18 to 48 ) - 18,300 LF Storm Sewer Inlets (various) - 150 EACH Manhole Slab Base (various) - 60 EACH Guardrail Type 9 (various) - 7,500 LF Bridge Rail Type 9 - 5,700 LF Chain Link Fence - 11,000 LF Concrete Bikeway (6 Inch) - 14,400 SY Curb and Gutter - 26,000 LF Curb Type 4 (Key-Way) - 28,000 LF Median Cover Material - 134,800 SF Electrical Conduit (various) - 245,000 LF Luminaire - 177 EACH Light Standard Metal - 72 EACH Traffic Signal Pole/Master Arm - 25 EACH Traffic Signal Pedestal Pole - 13 EACH Fiber Optic Cable - 37,000 LF Splice Fiber Optic Cable - 2,000 EACH Prestressed Concrete (CBT45) - 4,000 LF Ductile Iron Pipe (size various) - 628 LF 27-Inch Welded Steel Pipe - 55 LF 27-Inch Welded Steel Pipe (Jacked) - 55 LF Detour Pavement - 4,000 LF Public Information (Tier II) 1,100 DAY Flagging 10,000 HOUR Uniform Traffic Control 1,500 HOUR Traffic Control Inspection 333 DAY Traffic Control Management 762 DAY