The project includes the design of a proposed taxiway at the Delaware Coastal (DCA). N&W is the Geotechnical Engineer of Record and to date has completed the drilling, and field CBR tests. We are currently performing lab testing for the taxiway pavement design. The field work consisted of thirty-eight (38) test borings and four (4) field CBR tests. The drilling consisted of approximately 360 feet of continuous SPT sampling and 25...
Read MoreThe State of Delaware has more than 200 locations throughout the state where bridge-length corrugated metal pipe culverts are corroding and are in need of replacement. In most of these locations, the corrugated metal pipes are at or beyond their expected life. DelDOT decided to use the design/build method to expedite replacement of a group of these culverts with new reinforced concrete pipes. With the design/build method, a team...
Read MoreN&W provided the winning bid for this PennDOT Engineering District 6, S.R. 0422, Section M1B Roadway, Pleasantview and Park Bridges, design project in June of 2017. This was our first successful bid in this District. The project included forty‐six (46) roadway and structure borings, twenty (20) test pits and three (3) pavement cores. The total drilling footage was 973 feet and consisted of 428.9 feet of continuous SPT sampling,...
Read MoreHaving served as the Borough Engineer since 2003, Jack Raudenbush and the Navarro and Wright team has assisted the Borough Council and maintenance personnel in developing various roadway and drainage repair and maintenance projects. From standard mill and overlay projects, to Full Depth Reclamation, we have assisted in the design and implementation of various cost effective projects to keep this northern Dauphin County Borough roads...
Read MoreNavarro & Wright Consulting Engineers, Inc. (N&W) utilized their in-house drilling capabilities to help get this project back on schedule. This is a structure replacement project where the recommended structure is a single 88 foot span, composite prestressed concrete spread box beam bridge. The drilling included four (4) structure borings that extended a minimum of 10 feet into shale bedrock. The borings were completed using a...
Read More