Specifications include, but are not limited to: Removal and Replacement of PCC Alley Pavement 8" Special, with PCC Mix 7-bag HES Work shall consist of removing existing PCC alley pavement and replacement with PCC alley pavement to an 8-inch pavement depth, constructed on a prepared subgrade of 4 inch CA-6 compacted aggregate stone base. Existing stone base can be preserved and used in preparation of subgrade, unless determined otherwise by the Engineer. Work shall include over dig if necessary to achieve required 8-inch pavement depth. High Early Strength (HES) mix shall be used. Saw-cutting, full depth will be required in locations where joints do not exist. New PCC alley pavement shall include No. 6 dowel bars tied into existing concrete every 16 inches. Expansion joints shall be placed where new PCC pavement abuts existing concrete.; Removal and Replacement of 6 PCC Driveway Pavement, with PCC Mix 7-bag HES Work shall consist of removing existing PCC pavement and replacement with PCC pavement to a 6-inch pavement depth, constructed on a prepared subgrade of 4 inch CA-6 compacted aggregate stone base. Existing stone base can be preserved and used in preparation of subgrade, unless determined otherwise by the Engineer. High Early Strength (HES) mix shall be used. Saw-cutting, full depth will be required in locations where joints do not exist. Expansion joints shall be placed where new PCC pavement abuts existing concrete. Removal and Replacement of Hot Mix Asphalt Pavement 4", Mix "D", N50 (IL 9.5mm) Work shall consist of removing existing asphalt pavement and replacement with Hot Mix Asphalt Pavement 4-inch surface course mix "D", N50 (IL 9.5mm) on a prepared existing subgrade. Existing asphalt pavement must be saw cut to a clean edge prior to removal. Limits of disturbed asphalt pavement will be determined by the Engineer following construction of PCC alley pavement. Removal and Replacement of Brick Paver Work shall consist of removing and replacing brick pavers. Brick pavers shall be removed and stored near the job site. Contractor shall prepare the area with necessary paver base and leveling sand prior to installing of the brick pavers for a finished top of paver grade flush with top of concrete. The paver base, leveling sand, and all labor shall be included in the cost of the work. Removal and Replacement of PCC Sidewalk 5" This work shall consist of the removal of existing Portland Cement Concrete (PCC) sidewalk and replacement with new PCC sidewalk on a compacted subbase. All sidewalk shall be constructed with a concrete depth of 5-inches, except where the sidewalk crosses driveway aprons, at which concrete depth shall be increased to 6-inches. Control joints shall be troweled in at intervals of 5 feet. Expansion joints shall be placed at intervals of not more than 50 feet. Removal and Replacement of 10" PCC Driveway Pavement, with PCC Mix 7-bag HES Work shall consist of removing existing PCC pavement and replacement with PCC pavement to a 10-inch pavement depth, constructed on a prepared subgrade of 4 inch CA-6 compacted aggregate stone base. Existing stone base can be preserved and used in preparation of subgrade, unless determined otherwise by the Engineer. Work shall include over dig if necessary to achieve required 10-inch pavement depth. High Early Strength (HES) mix shall be used. Saw-cutting, full depth will be required in locations where joints do not exist. New PCC pavement shall include No. 6 dowel bars tied into existing concrete every 16 inches. Expansion joints shall be placed where new PCC pavement abuts existing concrete.