Alta Environmental & Infrastructure

Partnering to Build & Protect What Matters Most

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About the firm

Alta Environmental & Infrastructure (Alta EI) is a privately owned engineering consulting practice delivering comprehensive solutions in civil engineering, geotechnical engineering, land surveying, materials testing, environmental consulting, and health and safety services. Operating across Arizona with a large, multidisciplinary team, it provides the scale and responsiveness required for residential, commercial, municipal, and industrial projects.

Team
Large
Firm type
Civil Engineering · Environmental Engineering · Geotechnical Engineering · Land Surveying · Materials Testing

Credentials

AASHTO · ADOT · USACE

People

Dan SpeckPartner & Shareholder

Dan VermeerPartner & Shareholder

Sean FaborGeotechnical Principal and Director

Meg LassaratAdvisory Board

Leanne MeyerEnvironmental Vice President

Nate CurtisChief Financial Officer

Patricia GajdaSurvey Manager

Jamie FloydSenior Project Manager

Jeff FieldsProject Manager

Phil FedorProject Manager

Marissa RaleighProject Manager

Greg BauerSurvey Project Manager

Miles ReedHuman Resources Manager

Ashly DomeierBusiness Manager

Capabilities

Civil Engineering

Comprehensive engineering for residential, commercial, and municipal developments. Deliverables include site design, grading, drainage, stormwater systems, hillside development, and utility coordination to ensure regulatory and jurisdictional compliance.

  • Site Civil Design

    Full-service site layout and planning for subdivisions, commercial properties, and master-planned communities.

  • Grading, Drainage & Stormwater Management

    Hydrology analysis, retention basin layout, and grading design to meet strict local compliance standards.

  • Roadway & Transportation Infrastructure

    Layout, design, and traffic engineering for public and private roadways to keep communities connected.

Environmental Consulting

Defensible assessment, permitting, and remediation strategies combining national expertise with local environmental credibility.

  • Environmental Site Assessments (Phase I & II ESAs)

    Rigorous investigation and reporting to assess and document environmental liabilities during transactions.

  • Biological Site Assessments & Species Surveys

    Sensitive habitat evaluations and protected species surveys, including burrowing owl studies, to maintain regulatory compliance.

  • Remediation & Waste Management

    Practical and cost-effective containment and remediation solutions for contaminated soil, groundwater, and hazardous materials.

Health and Safety Services

Specialized assessments, compliance support, and training structures designed to manage operational risks and safeguard workforces.

  • OSHA Compliance & Safety Audits

    Thorough workplace evaluations and regulatory assessments to identify gaps and build robust compliance models.

  • Process Safety & Risk Management

    Development, implementation, and auditing of Process Safety Management (PSM) and Risk Management Programs (RMP).

  • Industrial Hygiene & Exposure Monitoring

    Evaluations of air quality, noise, and hazardous chemical exposures to ensure safe indoor environments.

Land Surveying

High-accuracy, responsive land surveying backed by extensive field capabilities, providing complete confidence for developers and municipal partners.

  • Construction Staking

    Precise structural and civil layout staking for large-scale infrastructure, utility, and building projects.

  • Boundary & ALTA Surveys

    Comprehensive boundary determinations, mapping, and title-compliant surveys executed by registered surveyors.

Geotechnical Engineering

Subsurface investigations, engineering analysis, and recommendations for foundational and pavement stability.

  • Geotechnical Site Investigations

    Soil borings, rock coring, and advanced laboratory testing to characterize subsurface profiles.

  • Foundation & Pavement Design

    Engineering recommendations for shallow and deep foundation systems, retaining walls, and pavement structures.

Materials Testing and Special Inspections

Accurate field and laboratory testing using certified technicians and mobile labs to maintain project schedules.

  • Accredited Laboratory Testing

    Testing of soil, concrete, asphalt, and aggregate materials in AASHTO, ADOT, and USACE accredited facilities.

  • Special Inspections

    Certified inspections of structural masonry, steel, concrete, and soil placement with rapid turnaround times.

Industries

Infrastructure · Commercial · Residential · Government · Industrial · Mining · Transportation · Water Resources · Wastewater · Aviation

Projects

ADOT I-10 Tucson Reconstruction

Tucson, AZ · Transportation · Client: Arizona Department of Transportation

Project details

Providing construction staking for key elements of the project, including reconstructing and widening nearly four miles of Interstate 10.

Major Airline Dust Hazard Analysis

Aviation · Client: Major Airline

Project details

Conducted a comprehensive Dust Hazard Analysis (DHA) in preparation for the installation of new dust collector equipment.

Casino Del Sol Construction Staking

Tucson, AZ · Commercial · Client: McCarthy Building Companies

Project details

Contracted with McCarthy Building Companies to provide construction staking for the Pascua Yaqui Tribe's new casino facility.

Phoenix Arizona Light Rail Extension

Phoenix, AZ · Transportation

Project details

Performed geotechnical investigations and consulting services supporting the 28.2-mile light rail system operating in Arizona.