A. High & Middle School – Entrance Ring Road and Faculty Car Lot It is the intent of this contract to remove and repair the existing asphalt pavement per the attached satellite imagery. Cold mill the existing asphalt pavement and aggregate base, to a depth sufficient to allow the placement of five inches of new asphalt in ring road and four inches of new asphalt in faculty car lot as indicated on the enclosed satellite imagery. After the asphalt pavement is removed, Contractor will proof roll aggregate base to determine if there any soft or unstable areas. If any areas are located, Owner’s Engineer will mark the areas and Contractor will perform Subgrade Undercut Type IV, the contractor shall install Tensar Hx5.5 geogrid on subgrade before backfilling with 21AA limestone. Contractor shall furnish and install MDOT 21AA crushed limestone with the fine grading activity to produce proper line and grade will be paid for by the ton. New four-inch, geo textile wrapped underdrains to be furnished, installed, and connected to existing drainage structures, as directed. Costs associated with these connections shall be incidental to the underdrain pay item. Costs associated with removal of the excavated spoils associated with these operations shall be incidental to the underdrain pay item. All spoils shall be removed from the project site. Backfilling/Restoration of curb and gutter is incidental to that work item. Upon acceptance of the aggregate base course by the Engineer, the contractor shall place three- and one-half inches of 3C Modified Hot Mix Asphalt, a bond coat, and one- and one-half inches of 5C Modified Hot Mix Asphalt in the entrance ring road. Upon acceptance of the aggregate base course by the Engineer, the contractor shall place two- and one-half inches of 13A Modified Hot Mix Asphalt, a bond coat, and one- and one-half inches of 36A Modified Hot Mix Asphalt in the faculty car lot. B. High & Middle School – Food Service Apron & Car Parking Lot It is the intent of this contract to remove and repair the existing asphalt pavement per the attached satellite imagery. Cold mill the existing asphalt pavement and aggregate base, to a depth sufficient to allow the placement of five inches of new asphalt in food service truck lot and four inches of new asphalt in food service car lot as indicated on the enclosed satellite imagery. After the asphalt pavement is removed, Contractor will proof roll aggregate base to determine if there any soft or unstable areas. If any areas are located, Owner’s Engineer will mark the areas and Contractor will perform Subgrade Undercut Type IV, the contractor shall install Tensar Hx5.5 geogrid on subgrade before backfilling with 21AA limestone. Contractor shall furnish and install MDOT 21AA crushed limestone with the fine grading activity to produce proper line and grade will be paid for by the ton. New four-inch, geo textile wrapped underdrains to be furnished, installed, and connected to existing drainage structures, as directed. Costs associated with these connections shall be incidental to the underdrain pay item. Costs associated with removal of the excavated spoils associated with these operations shall be incidental to the underdrain pay item. All spoils shall be removed from the project site. Backfilling/Restoration of curb and gutter is incidental to that work item. Upon acceptance of the aggregate base course by the Engineer, the contractor shall place three- and one-half inches of 3C Modified Hot Mix Asphalt, a bond coat, and one- and one-half inches of 5C Modified Hot Mix Asphalt in the food service truck lot. Upon acceptance of the aggregate base course by the Engineer, the contractor shall place two- and one-half inches of 13A Modified Hot Mix Asphalt, a bond coat, and one- and one-half inches of 36A Modified Hot Mix Asphalt in the food service car lot. Contractor is responsible for all layout and grade staking and shall be considered incidental to other items of work.
