CA FLAP 41099(1), Berryessa Knoxville Road

THIS IS NOT AN INVITATION FOR BID - PLANS AND SPECIFICATIONS ARE CURRENTLY NOT AVAILABLE. THE TENATIVE ADVERTISEMENT DATE IS NOVEMBER 18, 2014. THIS PROJECT HAS BEEN SET-ASIDE FOR SMALL BUSINESSES. This project is for improvements to Berryessa Knoxville Road in Napa County from the intersection with Spanish Flat Loop Road (Southern Intersection) to Pope Canyon Road for a total length of about 7.8 miles. The project site is adjacent to Lake Berryessa, a U.S. Bureau of Reclamation facility. It is in a recreational setting with high visitor traffic during the summer months requiring an aggressive construction schedule and a carefully executed traffic management plan. Residences and businesses are adjacent to the road and access is to them is to be maintained. The proposed improvements to roadway are: - To pulverize the existing asphalt; - To widen it, creating a uniform travel way; - To excavate unsuitable material and replace with geotextile fabric, drains, and backfill; - To scale slopes and install steel mesh to reduce rock fall; - To construct reinforced soil slopes, including excavation and replacement of failed embankment behind a bridge abutment; - To construct reinforced concrete bridge transition railings; - To replace guardrail; - To pave asphalt dike; - To pave asphalt; - To install pavement markings, recessed pavement markers, and signage; - And to improve surface drainage by replacing culverts or installing ones at new locations. Major work items include approximately: - 130,000 square yards of pulverization - 25,000 tons of superpave asphalt concrete pavement - 3,000 tons of aggregate base - 7,000 linear feet of guardrail with steel posts - 10,000 cubic yards of subexcavation - 200 lnft of reinforced concrete bridge transition railing - 6,000 square yards of geogrid for reinforced soil slopes - 120 hours of slope scaling - 600 square yards of stained steel mesh with anchors It is anticipated this project will be advertised in late fall, 2014 with construction beginning in Spring 2015 and extending through August 2015. The contracting range for this project is between $6 million and $8 million.