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Yajie Guo P.E.

PA

Senior Engineer
M.S., Civil & Environmental Engineering, Carnegie Mellon University
B.S., Civil & Environmental Engineering, Iowa State University

Ms. Guo has expertise in remedial design, CCR impoundment and landfill closure, land development, geotechnical / slope stability analyses, stormwater design, and construction oversight. At KEY, she is instrumental in providing support for projects including: CCR unit closures, slurry wall design, river sediment removal and reconstruction, residual waste landfill closure, brownfield redevelopment, water and wastewater treatment process improvement, and oil and gas well pad design.

Experience:

Years of Experience/Years with KEY: 10/10

Practice Area(s):

  • Coal Combustion Residuals

  • Brownfield Remediation/Redevelopment

  • Soil & Groundwater Remediation

  • Site Development

  • Oil & Gas Services

  • Water & Wastewater Design

  • Site Assessment

  • Construction Oversight

Specialties

  • CCR Impoundment and Landfill Closure

  • Remedial Design and Permitting

  • Land Development Design

  • Stormwater Design

  • Geotechnical /Slope Stability Analysis

  • Sampling and Analysis

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Representative Projects:

Fly Ash Impoundment Cover System Design

  • Performed analyses and design of geomembrane layer accommodating differential settlement, cushion geotextile, channel lining, and erosion and sediment control features

  • Prepared Technical Specifications, QA/QC Plan, and PTI application forms

  • Conducted field oversight on clay cover layer construction, daily inspection, CQA testing and measurements, and documentation of the construction activities

Former LNG/Oil Refinery Brownfield Redevelopment

  • Analyzed stormwater stage storage and discharges with tidal influence

  • Prepared seasonal high groundwater table and settlement calculations

  • Assisted with permit and construction drawing set revisions, including groundwater level analysis, final cover layer thickness calculations, modeling final cap grading phases in Civil 3D, and volume calculations

  • Provided engineering support during construction phases, including as-built survey analyses and final cover layer quantity estimates for active construction phases, as-built final cover layer thickness confirmations, and remedial design revisions

Former Chemical Processing Facility Superfund Site

  • Performed field oversight on wetland excavation, 60 mil LLDPE geomembrane installation, wetland restoration, fill material placement and compaction, and daily inspection

  • Completed CQA testing and measurements

  • Documented the construction activities

  • Improved existing groundwater treatment system, including revising pipeline layout, and upgrading mixing tanks and treatment equipment.

 

 

 

 

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Headquarters

200 Third Avenue

Carnegie, Pennsylvania 15106

412-279-3363

© 2024  Key Environmental, Inc.

Mid-Atlantic

575 State Route 28

Suite 203

Raritan, New Jersey 08869

908-864-4105

New England

106 Lafayette Street

Suite 2K

Yarmouth, Maine 04096

207-772-8100

Tri-State

1723 Perry Highway 

Portersville, Pennsylvania 16051

724-368-4050

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