Specifications include, but are not limited to: The Montana Department of Transportation (MDT) is accepting bids for Overlay and Chip Seal Avon
West Butte Area. Contractor will provide all labor, equipment, materials, incidentals and traffic control necessary to mill, haul and broom approximately 90,112 square yards of existing asphalt to a depth of .15 feet thick. Contractor will provide all labor, equipment, materials, incidentals and traffic control necessary to produce, haul, place, tack and compact approximately 8,942 tons of ¾” Commercial Plant Mix Grade S PG 64-28 asphalt mix material. The overlay shall be paved .15 feet thick and approximately 32 feet wide. Contractor shall provide all labor, equipment, materials, traffic control and incidentals necessary to produce, haul, place, roll and broom approximately 90,112 square yards of laid-in-place chip seal. The chip seal will be approximately 4.7 miles long and 32 feet wide. Contractor shall provide CGFRS-2P asphalt emulsion and Type 1 chips. Traffic control with pilot cars must be maintained until dusk or fading light each work day as determined by the Project Manager. The emulsion application rate for chip seals is estimated at .44 gallons per square yard. The cover material application rate is estimated at 25 pounds per square yard. Actual application rates will be based on the chip design and the actual field adjustments. If the cover material application rate of 25 pounds per square yard is not sufficient to provide a quality job, the Project Managers will jointly determine what the new application rate should be. Contractor must furnish a water truck for dust control and wetting of chips. Arrangements must be made by the Contractor for acquiring water for wetting and sweeping. It will be the responsibility of the Contractor to determine the centerline and place reflective tabs after paving and prior to the chip seal. Contractor will provide interim waterborne striping after the paving and also after the chip seal followed by final epoxy striping. Contractor is responsible to install centerline and shoulder rumble strips. Contractor is responsible for test trailer, transport, and setup. If the Department decides to perform testing at an area lab, this bid item will be deleted from the contract. The quantity is estimated and will be changed accordingly depending on pickup and delivery locations and miles transported. Paving and rumble strips on this project are required to be completed by September 27, 2019 with the chip seal to be completed by June 26, 2020.