Specifications include, but are not limited to: • Install two (2) cast-in-place concrete sidewalk ramps at the intersection of Gilbo Ave. and School Street including 90 linear feet of new granite curbs. • Install four (4) pre-cast concrete pole bases for Accessible Pedestrian Signal (APS) push button assembly at the intersection Gilbo Ave. and School Street. The existing push buttons mounted on two traffic signal poles to be removed and re-wired with the new ASP push button assembly as shown on the con-struction drawing. West Street: • Install three (3) cast-in-place concrete sidewalk ramps at the intersection of West Street and Island Street. Install 110 linear feet of new granite curbs and reset 40 linear feet of existing granite curbs. River Street: • Install three (3) cast-in-place concrete sidewalk ramps at the intersection of Rivers Street and Leverett Street. Install 90 linear feet of new granite curbs Colby Street: • Install approximately 615 SY cast-in-place concrete sidewalk with 1,100 lin-ear feet of granite curb. Keene Dillant-Hopkins Airport Terminal: • Remove existing concrete walkway and replace with 145 SY of cast-in-place concrete sidewalk and 140 linear feet of straight granite curb.