Hetherington Engineering, Inc Hetherington Engineering, Inc
Hetherington Engineering, Inc Hetherington Engineering, Inc

SERVICES


Grading and Construction Observation and Testing

Engineering Observation and Testing During Grading - Hetherington Engineering, inc. provides qualified field technicians, experienced at working with grading contractors and certified to utilize sophisticated nuclear density testing methods as well as conventional sand-cone and drive-cylinder testing methods to provide quality control during placement of man-made fills on projects as small as a simple room addition to larger multi-lot tracts and subdivisions.



Compaction Testing During Mass Grading Operations
Compaction Testing During Mass Grading Operations

Foundation Excavations with Formwork and Reinforcing Steel
Foundation Excavations with Formwork and Reinforcing Steel
Foundation Inspections - Hetherington Engineering, Inc. provides the necessary inspection of foundations as required by most city and county agencies, to confirm compliance with the design as determined by our testing and the requirements of the Architect, Engineer and city and county codes.

Analysis and Design of Roadways and Pavements – Hetherington Engineering, Inc. provides the proper geotechnical parameters for the design and construction of both public and private roadways, and performs inspection and testing of the underlying soils to confirm compliance by the contractor with the design parameters and plans. Hetherington Engineering, Inc. analyzes and investigates paved surfaces that have experienced distress due to failure of the subgrade soils or inadequate pavement design and /or construction and provides repair recommendations.



Subsidence of Pavement Subsidence of Pavement

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