Injecting Soil Stabilization Materials at Soil Covered Structures and in Roadway Bases

I-93 NB and SB over Hubbard Brook in Thornton, NH (bridges Thornton 152/073 and Thornton 153/074) at mile marker 93.2. The work will include overhead injection at joint locations shown to stabilize soils above the existing concrete box culvert to facilitate overhead concrete repairs (see Exhibit B 3 of 3). Injection holes shall be sufficiently spaced to assure that soils can bridge above the culvert during concrete repairs. NH 3A in Franklin, NH (GPS Coordinates 43.460586, -71.660695). The work shall consist of injection to provide soil densification to strengthen base and subbase materials under concrete pavement. Pavement profiles will be taken every 10 feet in a longitudinal direction on the edges and center of the work area.

Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 33 -	Utilities, Storm Drainage Utilities, Ponds and Reservoirs.
Division 35 -	Waterway and Marine Construction, Shoreline Protection, Waterway Construction and Equipment.