FINDLING - Key Persons
Job Titles:
- Senior Geotechnical Engineer
Mr. Birhan has over 13 years of experience in various aspects of geotechnical engineering, pavement design, and structural engineering. Mr. Birhan has extensive experience in project management, subsurface investigations, analyses, design and report preparations of deep and shallow foundations, temporary and permanent excavation supports, pavements, MSE walls, slopes, ground improvements, etc.
Mr. Birhan has worked on projects relating to highway bridges, retaining walls, embankment slope repair and reconstruction, waterfront structures including floating piers, bulkheads and sheet pile walls. He has also worked on low-rise structures to high-rise structures that required ground improvement techniques and deep foundations systems. He has worked on projects which involve analysis and design of different types of foundation systems, including Auger Cast Piles, Concrete, Timber and Steel Driven Piles, Drilled Shafts, Micropiles, Helical Piles, Stelcor Piles, Densified Aggregate Piers, Concrete Modulus Columns, Spread Footings, Raft Foundations, etc. He has managed and been involved in construction inspection of drilled shafts, driven piles, auger cast piles, helical piles, micropiles, stelcor piles, tie backs, ground improvements using RAP and CMC, wick drains, dynamic soil compaction, and more.
Mr. Birhan has both teaching and hands-on experience in laboratory and field sampling and testing of soils and construction materials, including sieve analysis, Atterberg limits, compaction, CBR, consolidation, direct shear, triaxial, unconfined compression, swell and shrink, permeability, Standard Penetration Testing (SPT), Cone Penetration Test (CPT), Dilatometer Test (DMT), and more.
Mr. Duressa is a Principal Engineer with over 30 years of experience in geotechnical engineering, construction management, environmental site assessment and construction inspection services. He has managed and supervised over 500 small and large projects, including subsurface investigation, laboratory testing, geotechnical analysis and preparation of geotechnical engineering reports. The projects have been located throughout Maryland, Virginia and Washington, DC. In addition, Mr. Duressa's experience includes research and technology transfer related to concrete mix design and destructive/ non-destructive concrete testing for the Federal Highway Administration.
Mr. Tallman has over 16 years of experience in Project Management. He has strong leadership abilities, and is a team player. As a Project Manager for Findling, Inc., he has managed several field investigation projects of various scopes and project durations. He manages field inspectors on construction related projects.
Mr. Tallman's responsibilities include obtaining SHA and County Permits, and coordinating with private property owners to get access to work sites when required. He also prepares Traffic Control Plans and coordinates Maintenance of Traffic (MOT) when the work is to be performed on roadways.
Mr. Surendra has over 39 years of experience in various aspects of geotechnical engineering. He has managed numerous geotechnical engineering projects of various sizes and complexity, such as buildings and facilities, highway embankments, bridge structures, off shore containment facilities for dredge material, waterfront structures for port facilities, etc.
His work includes structures for schools, universities, correctional facilities, police stations, sports facilities and large shopping malls.
Mr. Surendra has published in the ASCE Journal in the field of deep foundations (to include piles and drilled shafts), settlement of foundations, and use of geosynthetic reinforcement to support the dike of a containment facility.