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BUILDING GEOTECHNICAL SAMPLE PROJECTS

 Building Apartments at 1417, 1421, 1425 & 1427 Caddo St., Dallas, TX–Geotechnical Study

A geotechnical study was performed for four buildings planned for construction for Urban Lofts, Ltd./Interurban Construction, Inc., located at 1417, 1421, 1425, 1427 Caddo Street in Dallas, Texas.  The object of this study was to complete the subsurface investigation at the above referenced site to provide recommendations for foundation and pavement designs. The purpose of this investigation is to determine foundation design requirements for the construction of four new three-story buildings for Lofts, each covering an area of 2,000 to 4,000 square feet.  The proposed buildings will be slab on grade, with steel trusses and a joist roof structure.     

 Las Cruces Federal Court House buildings, Las Cruces, NM – Geotechnical study

A geotechnical investigation was required to determine the existing soil conditions at the site of the proposed new Las Cruces Federal Court House buildings located between Church Street and Campo Street; and between Organ Street and Griggs Street in Downtown Las Cruces, New Mexico.  The site was being used as a parking lot just north of the Runnels Federal Building, and south of the Las Cruces City Hall.  The project consists of two, interconnected, six story buildings, with a single level underground parking garage.  The site will also have a plaza with an outdoor water feature, a set of monumental steps, and several site retaining walls.  The primary structural system for the building will consist of a steel frame.  Lateral loads will be resisted by dual concrete shear walls and braced or moment steel frames located at the exterior and interior of the building.  The above grade floor systems will consist of a reinforced concrete slab on a steel deck, acting composite with steel beams.  The floor system at grade will consist of a reinforced concrete slab on grade.   The geotechnical study provided recommendations for the foundation design alternatives (deep and shallow foundation) design.

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M. Harvey Taylor Bridge, Dauphin and Cumberland Counties, PA

This Structure Foundation Geotechnical Report presents the results of subsurface investigations and geotechnical analyses for the proposed cast-in-place (CIP) retaining wall and modifications to the existing wingwalls at the west shore abutment of M. Harvey Taylor Bridge, Dauphin and Cumberland Counties.  The retaining walls were proposed in order to accommodate the new 4-foot-wide bicycle lanes being added on the west shore approach. Widening of the abutment breastwall and modification or total replacement of the U-type wingwalls will be required.  The ends of the pedestrian underpass should be modified to raise the height of the wingwalls and headwalls to suit the widened embankment.

 S.R. 2021-01B, Berks County, PA 

This project consisted of providing preliminary engineering, final design, and construction services for the replacement of some portions of S.R. 2021-01B in Berks County.  Hydrologic & hydraulics analysis was performed to show that it was safe to remove Abutment 1, and Piers 1 to 5 (six spans of the multi-span bridge), and replace with embankment fill that was as high as 40 feet to bring the roadway to grade.  Dr. Morohunfola was responsible for geotechnical studies for the alternatives analyses, review of existing engineering plans and geotechnical data, performing slope stability and settlement analyses at five locations, prepared the required geotechnical reports and special provisions for construction.

 S.R. 0080-52D, Interstate 80, Northumberland & Union Cos., PA, District 3-0

The work for this project consists of providing preliminary engineering, final design for six bridges, and engineering services during construction for I-80, Section 52D, located in Northumberland and Union Counties, Pennsylvania.  The project includes upgrading both eastbound and westbound bridges and roadway on I-80 from just west of the interchange with S.R. 15 to just east of the bridge over S.R. 1019, including improvements to S.R. 15 and S.R. 0180/S.R. 0147 necessary to complete the upgrading of the respective interchange areas. Dr. Morohunfola was responsible for performing geotechnical analysis, including reinforced slope stability, scour, retaining walls MSE/CIP), and preparing foundation (deep and shallow) report for the project.

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