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« How We Can Serve You »

Allender Butzke Engineers provides services on a wide variety of projects including buildings, schools, dams, lagoons, parking lots, roads, airports, bridges, retaining structures, and site development. We offer solutions in a broad range of expertises in geotechnical engineering, environmental site assessments, and construction quality control.



We provide the following engineering studies and reports:


Flying screens

› Geotechnical Explorations


› Seismic Site Classification


› Pavement Evaluations


› Failure Analyses


› Phase I, II, & III Environmental Site Assessments


› Vibration Monitoring


› Pile and Geopier® Load Tests


› Construction Specifications



Our Geotechnical Engineering Services:


    Field Exploration

  •  › Truck Mounted Drill Rigs
  •  › All-Terrain Drill Rig
  •  › Confined Access Drill Rig
  •  › Continuous Flight Auger Drilling
  •  › Hand Operated Drilling
  •  › Hollow Stem Auger Drilling
  •  › Core Drilling
  •  › Rotary Drilling
  •  › Barge Drilling
  •  › Shelby Tube Sampling
  •  › Standard Penetration Tests

    In-Situ Testing

  •  › Bore Hole Shear Tests
  •  › Pressuremeter Tests
  •  › Dutch Cone Tests
  •  › Inclinometers
  •  › Electrical Resistivity

    Laboratory Testing

  •  › Unconfined Compression
  •  › Moisture Content
  •  › Dry Density
  •  › Atterberg Limits
  •  › pH Test
  •  › Sulfate Test
  •  › Electrical Conductivity
  •  › Sieve Analysis
  •  › Hydrometer Evaluation
  •  › Organic Content
  •  › Consolidation Test
  •  › Swell Test
  •  › Falling Head Permeability
  •  › Constant Head Permeability
  •  › Flexwall Permeability
  •  › Chemical Stabilization Test
  •  › California Bearing Ratio
  •  › Triaxial Shear
  •  › Visual Classification

We provide the following Environmental Site Assessments:


    Field Exploration

  •  › Monitoring Well Installation
  •  › Continuous Sampling
  •  › Asbestos Surveys
  •  › Property Assessments

    In-Situ Testing

  •  › Hydraulic Conductivity Tests
  •  › Photoionization Detector

    Laboratory Testing

  •  › Petroleum Analyses
  •  › Hazardous Waste Analysis
  •  › Pesticide and PCB Analyses
  •  › Sanitary Landfill Analyses
  •  › Metals Analyses
  •  › Wastewater Analyses
  •  › Asbestos Analyses
  •  › Lead Analyses

ABE Environmental Assessments

Our Construction Quality Control services:


    Soil Testing

  •  › Nuclear Density Tests
  •  › Sand Cone
  •  › Standard Proctor Test
  •  › Modified Proctor Test
  •  › Static and Dynamic Cone Bearing Test
  •  › Deep Foundation Observations
  • (See Geotechnical Lab Tests for additional tests)

    Concrete Testing

  •  › Core Drilling
  •  › Concrete Thickness
  •  › Air Content
  •  › Slump
  •  › Compressive Strength
  •  › Flexural Strength
  •  › Mix Designs
  •  › Floor Flatness - Dipstick 2200 Profilometer
  •  › Evaluation of Petrographic Analyses
  •  › Maturity Testing

    IBC Special Inspection

  •  › Masonry
  •  › Structural Steel
  •  › Fire Proofing
  •  › Firestop
  •  › Firesafing
  •  › Concrete
  •  › Bolting
  •  › Reinforcement
  •  › Foundations
  •  › Pile and Geopier® Reports
  •  › Grading, Excavating and Filling

    Steel Erection

  •  › Bolt Torque
  •  › Visual Weld Examination
  •  › Non-Destructive Tests
  •  › Welding Inspection
  •  › Ultra-Sonic
  •  › Liquid Dye Penetrant
  •  › Magnetic Particle

« Service Area »

Our service area includes Iowa and the surrounding states. Our service area is always expanding, and we strive to provide cost-effective service even when operating out-of-state.


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Allender Butzke Engineers Inc. Serves Iowa and the surrounding states.