Bill Nash is a Senior Project Manager with WDP & Associates

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William R. Nash

William R. Nash P.E., Senior Project Manager
  | 571.292.9830  | VCARD

Bill professional expertise in facilities and building envelope projects includes a variety of technical disciplines ranging from preconstruction building envelope coordination to construction inspections and forensic investigations.

“What I love about the work I do at WDP is knowing more today than I did yesterday, but less than what I’ll know tomorrow.  While buildings, bridges and piers have been constructed for centuries, the industry is constantly evolving – pushing the envelope so to speak. Having worked on the construction side of the table for many years, I can attest first-hand that you cannot inspect quality into a project.  My goal is to assist the project team in navigating through all the technical criteria to manage the risks associated with building enclosure design, construction, and commissioning.  I enjoy helping teams move buildings forward to ever more effective performance levels.”

Years with WDP

Bill joined WDP & Associates in 2009, following 37 years of prior professional engineering and construction experience.


  • Bachelor of Science, Civil Engineering, University of Missouri, Columbia, Missouri 1973
  • Bachelor of Science, Mining Engineering, University of Missouri, Rolla, Missouri, 1972

Registrations / Certifications

  • Professional Engineer:  VA, TX, MO, IL, IN, KY, AL
  • Mining Engineer: LA
  • Air Barrier Association - Licensed Field Auditor
  • Post Tensioning Institute (PTI)
    • Level 1 – Training and Certification for Un-bonded Post-Tensioning (2010)
    • Level 2 – Post Tensioning Inspector – Training and Certification for Un-bonded Post Tensioning (2011)
    • Level 1 – Bonded Post Tensioning Systems - Technician
  • American Segmental Bridge Institute (ASBI) Grouting Training Certificate (2012)
  • State Emergency Management Agency (Missouri) Save Volunteer – Structures Inspector

Industry Engagements

  • Air Barrier Association of America (ABAA)
    • Terminations and Flashings Committee, Chairperson
    • ABAA Speakers Bureau
    • Whole Building Air Leakage Testing Committee
    • ABAA USACE Air Testing Protocol  Review Committee
    • Licensed Field Auditor
  • American Society of Civil Engineers (ASCE)
    • Executive Council of Editors, Representing the Construction Institute on the quarterly publication - Practice Periodical on Structural Engineering and Construction
    • ASCE Construction Safety Committee, Chairperson
    • ASCE Crane Safety Committee
    • ASCE senior representative to the ANSI  A -10 Construction Safety Committee which oversees 47 individual Standards 
  • American Concrete Institute (ACI)
    • 117 Code Committee – Specifications for Tolerances for Concrete Construction and Materials
    • E703 Code Committee – Education
  • American Society for Quality (ASQ)
  • American Society of Safety Engineers (ASSE)
  • ASHRAE (formerly known as American Society of Heating, Refrigerating and Air Conditioning Engineers)
    • 90.1 Energy Standard for Buildings, non-voting member
  • ASTM International (formerly known as American Society of Testing and Materials )
    • C24  Committee – Building Seals and Sealants
    • E05  Committee – Fire Standards
    • E06  Committee – Performance of Buildings – EIFS, Enclosure Commissioning, Mock Ups, Water Testing, Rope Access, Construction
    • E58Committee- Forensic Engineering
    • E60  Committee- Sustainability
  • Building Envelope and Thermal Energy Council (BETEC)
  • BECx C – Building Enclosure Commissioning Collaborative, one of six Founding members
  • International Concrete Repair Institute (ICRI)
  • National Fire Protection Association (NFPA)
  • National Institute of Building Sciences (NIBS)
  • The Masonry Society (TMS)

Technical Papers/Publications & Speaking Engagements

Bill has conducted over 50 presentations and written numerous published articles on topics ranging from Building Envelope Tolerances to Building Enclosure Commissioning.  Mr. Nash is a short course instructor for more than 12 course programs for higher education institutions and professional industry associations.  He also conducts WDP’s AIA-accredited courses on Air Barriers and Building Performance, Building Enclosure Quality Assurance, Construction Tolerances, Building Enclosure Commissioning, and Foam Insulation on Exterior Walls. 

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