David Wallner, P.E. Email & Phone Number

Pittsburgh, Pa, Us

Moon Township, Pa, Us

Pasadena, Ca, Us

Pasadena, Ca, Us

Doylestown, Pennsylvania, Us

Served as the technical lead for Oil and Gas civil site development projects:-Designed stormwater BMPs.-Performed H&H analyses to verify stormwater design compliance with Act 167 requirements.-Prepared stormwater management plans.-Prepared site development, E&S, and grading plans.-Prepared ESCGP-2 permit applications.-Performed slope stability analyses.

Pittsburgh, Pennsylvania, Us

-Lead on nine project and supplier quality audits, surveillances, and Commercial Grade Surveys-Revised/Improved Quality Procedures (QP) and conducted associated QP trainings-Developed tools to ensure compliance with applicable QHSE requirements from project mobilization to completion-Provided oversight and support to the surface water hydrology and hydraulics department -Served as a Subject Matter Expert (SME) for surface water hydrology and hydraulics during a U.S. Nuclear Regulatory Commission (NRC) audit of the Bell Bend NPP COLA

Pittsburgh, Pennsylvania, Us

-Recruited to work with the Quality Assurance (QA) department; certified as an ASME NQA-1 Lead Auditor in December 2011-Lead on seven project quality audits and surveillances of design and analysis activities, field investigation activities and laboratory testing activities-Lead on two Commercial Grade Surveys of laboratory testing suppliers-Provided oversight and support to the surface water hydrology and hydraulics department

Pittsburgh, Pennsylvania, Us

Following promotion, additional responsibilities included:-Developed Project Work Plan for additional scope of work for the Bell Bend NPP COLA-Developed Internal Project Schedules-Prepared calculations while overseeing/supporting the completion of other calculations-Prepared reports and presentations to meet nuclear regulatory and/or client requirements

Pittsburgh, Pennsylvania, Us

Recruited to work with both the geotechnical and surface water hydrology and hydraulics departments with key accomplishments as follows:-Prepared geotechnical calculations, including processing/evaluating downhole seismic velocity data (i.e., shear and compression wave velocity data), SPT energy corrections and passive, active and dynamic earth pressure distributions-Wrote/Prepared portions of geotechnical reports, including summaries of lab test results-Logged soil/rock core samples in the field for a NPP siting study in the UAE-Prepared surface water calculations, including wave run-up and statistical analyses to determine the recurrence interval of low flow and peak flow events-Performed Probable Maximum Storm (PMS) / Probable Maximum Precipitation (PMP) evaluations using HMR-52 or by developing a synthetic rainfall distribution-Performed Probable Maximum Flood (PMF) evaluations of streams and rivers, including the development of hydrologic models in HEC-HMS and hydraulic models in HEC-RAS-Performed site drainage analyses-Prepared calculations necessary to support the verification and validation of HEC-HMS software to meet ASME NQA-1 requirements for analysis software used in a nuclear safety-related application-Wrote/Prepared portions of nuclear regulatory submittals relating to surface water hydrology and hydraulics for various project sites

During a nine-month internship period, projects included the Children’s Hospital of Philadelphia and the Pennsylvania Turnpike, with responsibility for:-Material testing and analysis for local job sites: proctor testing, hydrometer and sieve analysis, CBR testing, Atterberg Limits, and compressive strength testing of concrete, grout, and masonry unit samples-On-site activities, including slump and air testing for concrete and compaction of soil foundations-Received ACI certification training