McKinley Technical High School
Washington, DC · Education
Project details
Construction quality control and inspection services for the high school modernization in Washington, D.C.

Your trusted partner in Construction Quality since 1984
Potowmac Engineers, Inc. is a provider of construction inspection, materials testing, and construction management services. Established in 1984 and based in Capitol Heights, Maryland, it serves public and private sector clients across Maryland, Virginia, and the Washington D.C. metropolitan area. The practice offers decades of experience in geotechnical engineering, structural element inspections, paving, and materials testing laboratory services to ensure structural integrity and compliance.
Comprehensive quality control and quality assurance programs implementing rigorous inspection and verification across all construction trades to ensure compliance with project specifications.
Expert construction management services, including critical path method (CPM) reviews and construction claims analysis to manage schedule, budget, and delivery.
Critical path method analysis to verify and track project schedules.
Detailed evaluations of construction claims and schedule impacts.
Quality and budget tracking to ensure seamless project delivery.
Field investigations and stability assessments including subsurface boring inspections, foundation checks, pile driving monitoring, and backfill analysis.
Evaluations of soil and rock conditions prior to construction.
Critical inspections of shallow and deep foundation installations.
Real-time monitoring of pile driving activities to ensure target depth and capacity.
Oversight of backfilling operations to ensure proper compaction and stability.
Specialized structural element assessments covering reinforcing steel, structural steel welding and fabrication, non-destructive evaluation (NDE), and protective coatings.
Verification of rebar placement, spacing, and sizing against structural drawings.
Quality assurance for structural steel connections, weldments, and shop fabrication.
Non-destructive testing methods to assess material and weld integrity.
Testing and inspection of anti-corrosion, fireproofing, and protective coatings.
Field and laboratory quality control testing for soils, concrete, asphalt, and other essential construction materials.
Slump, air content, temperature testing, and cylinder compressive strength testing.
Testing of bituminous paving mixtures for compliance with density and composition requirements.
In-place density testing of soils and subgrade layers using nuclear gauge or other methods.
Custom consultation and forensic engineering services, including roofing inspections, pavement marking evaluations, and personnel training.
Waterproofing and roofing system installation quality control.
Retroreflectivity and thickness verification of roadway markings.
Engineering investigations into structural failures, material distress, or compliance issues.
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