Site work and paving for a road / highway in Gunnison, Colorado. Completed plans call for paving for a road / highway; and for site work for a road / highway.

Region: 3 Counties: Gunnison Projects: NHPP0502-090 UDBE Goal: 3.00% SH 50 MP 134.6-136 Gunnison County This project consists of construction of a passing lane along with removal and replacement of 39 guardrail end anchors. $5,000,000 and $20,000,000 CODOT - 001 -Construction of a Passing Lane *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. MBE (10.2%), WBE (6.9%), DBE (3%) Contractor Questions Deadline Monday, December 19, 2022, 7:00 AM Typical Sections and HMA Paving Scope of work is 2 lanes in each direction, plus turning lanes at intersections, and paved shoulders as shown in the plans. Existing roadway is variable depth mill and then overlay (variable depth) Phase 1 widening is to the right (south) side of the existing roadway Phase 1 widening consists of unclassified excavation, 14" ABC Class 1 + 6" ABC Class 6 + 6" HMA (4"PG 58-28 topped with 2" PG 58-34) Phase 2 work consists of putting traffic on newly constructed EB lanes, then variable depth mill and fill on existing roadway Proof-rolling is included in the cost of the work Ticket collection for ABC and HMA will be by Contractor. Revision under ad and Form 1389 coming. Top lift of HMA shall be placed after roadway is constructed full width Milled asphalt shall be overlaid within 10 days Category III Smoothness Notable Summary of Approximate Quantities Clearing and Grubbing is by 1 LS and shall be completed prior to April 1 Removal of Asphalt Mat - 3,916 SY Removal of Asphalt Mat (Planing) - 22,531 SY Unsuitable Material - 250 SY Unclassified Excavation (CIP) - 58,514 CY Numerous erosion control and revegetation items ABC Class 1 - 18,884 Tons ABC Class 3 - 120 Tons ABC Class 6 - 7 427 Tons ABC Class 7 - 1,307 Tons HMA (Grading SX)(75) - 12,337 Tons Asphalt Cement Performance Grade (PG 58-28) - 295 Tons Asphalt Cement Performance Grade (PG 58-34) - 445 Tons Grouted Riprap - 40 CY Geogrid Reinforcement - 100 SY Concrete Class D - 54 CY Reinforcing Steel 10,025 LBS Manhole - 1 each Guardrail - 1,450 LF plus 40 end anchorages (Shall be installed after 6/1) 24" RCP - 52 LF 24" CSP - 18 LF 30" CSP - 23 LF 48" CSP - 20 LF 72" CSP - 79 LF See plans for required signs, delineators, rumble strips and pavement markings Flagging, TCI, TCM Concrete Barrier (Temporary) - 6,700 LF Fencing (Barb Wire with Metal Posts) - 2,093 LF Guardrail Details Revision of Section 606 - Guardrail End Anchorage (40 total) End terminals shall be as designated in the specification End anchorage (Nonflared) - MSKT for 31" MGS End anchorage (Flared) - MFLEAT for 31" MGS Construction Plans Begin Project MP 128.0 End Project MP 139.1 Passing Lanes Project Length is 1.28 miles Posted Speed Limit is 65 MPH from MP 134.77 to 135.74 Posted Speed Limit is 50 MPH from MP 135.74 to 136.08 Clear Zone is 30 feet 2019 ADT is 3200 vehicles per day Anticipated Work Timelines The earliest date shall be March 6, 2023. The latest date shall be March 27, 2023. Clearing and grubbing shall be completed by April 1, 2023. All work between March 15 - May 31 will occur after 10 am until dusk. After May 31 work begins 1/2 hour after sunrise and ends 1/2 hour before sunset. Revision under ad and CDOT Form 1389 clarification forthcoming. Guardrail will be installed after June 1. No night work. No work on Saturdays or Sundays. For questions or comments, please leave a message for: Mike Coggins, P.E. Consultant Project Engineer coggins@rocksol.com 970.764.8510 and Raelene Shelly, P.E. CDOT R3, Montrose Resident Engineer raelene.shelly@state.co.us 970.683.6420