Infrastructure
Accelerating infrastructure development by clarifying permitting pathways, embedding regulatory alignment from the outset and proactively addressing environmental risks.
INTRO
What gets approved is what gets built
Every infrastructure project depends on permitting before anything else can progress.
Transportation corridors, utilities and major civil works operate within tightly regulated conditions where environmental impact, stormwater and community factors shape approvals. When these are not understood early, timelines slip and costs increase.
Through infrastructure permitting and compliance, environmental impact assessments and construction permitting support, we help organizations secure approvals efficiently to keep projects moving forward.
Transportation corridors, utilities and major civil works operate within tightly regulated conditions where environmental impact, stormwater and community factors shape approvals. When these are not understood early, timelines slip and costs increase.
Through infrastructure permitting and compliance, environmental impact assessments and construction permitting support, we help organizations secure approvals efficiently to keep projects moving forward.
Why it matters
Projects slow down where risk builds up
Infrastructure projects operate under increasing regulatory pressure, tighter timelines and higher stakeholder expectations. Environmental impact, water management, emissions, land use and community effects are under closer scrutiny across every stage of development.
When risks are not identified and managed early, they move onto the critical path, delaying approvals, disrupting construction and increasing costs. Issues that appear manageable in planning can escalate quickly once projects are underway.
Organizations that align environmental assessment, permitting and compliance early are better positioned to maintain momentum, reduce rework and deliver infrastructure with greater certainty across complex programs.
When risks are not identified and managed early, they move onto the critical path, delaying approvals, disrupting construction and increasing costs. Issues that appear manageable in planning can escalate quickly once projects are underway.
Organizations that align environmental assessment, permitting and compliance early are better positioned to maintain momentum, reduce rework and deliver infrastructure with greater certainty across complex programs.
Environmental clarity that keeps infrastructure moving
Our teams integrate environmental science, regulatory expertise and field delivery to support infrastructure projects from early planning through construction and into operation.
Approval certainty at scale
Explore how our integrated environmental capabilities support infrastructure permitting, compliance and construction across complex projects, programs and evolving regulatory environments.
Permitting & Compliance
Working through air, water and land permitting requirements and building compliance programs that hold up under regulatory review, across regulated industries.
Health, Safety & Chemistry
Bringing scientific precision to critical decisions
SECTOR LEADER
Meet your Infrastructure sector leader
Partner with our infrastructure team to turn environmental complexity into clear, actionable pathways that support confident delivery across your projects.
Infrastructure Spotlight
Employee spotlight
Preserving The Past While Building the Future
For archaeologist Gabriel Robles, Catalina Island, California, is home and a landscape rich with thousands of years of cultural history. See how he works alongside project teams, tribal groups and the City of Avalon to protect cultural resources while helping essential infrastructure move forward responsibly.
Building Environmental Certainty Before Shovels Hit the Ground
Early environmental insight helps project teams manage compliance risk, use resources more efficiently and build greater cost and schedule certainty into project delivery
Keeping Sydney Metro West Tunnelling On Track With Audit-Backed Environmental Delivery
A multi-site investigation, remediation and validation program aligned with NSW EPA accredited Site Auditor review cycles enables construction teams to progress safely and confirm site suitability
Public Trust Is the Foundation of Successful Transit Project Development
Confidence built during construction drives predictable delivery and lasting impact
Enhancing Connectivity in Beverly Hills with Real-Time Environmental Oversight
A continuous field presence and live monitoring keep impacts managed, information shared and coordination steady as construction advances toward the 2028 Olympics and beyond
Designing a Resilient Transit Line for a Changing Climate
Early climate risk planning aligned designers, constructors and operators on practical adaptations that protect a major transit investment over the long term
Keeping the Finch West Light Rail Project on Track Through Environmental Stewardship
Delivering complex transit infrastructure while keeping environmental commitments actionable, consistent and built into every decision on the ground
Ontario O. Reg. 406/19: 2027 Excess Soil Rules
Ontario’s excess soil landfill restriction takes effect Jan. 1, 2027. Learn how O. Reg. 406/19 affects reuse planning, QP support and project schedules.
California El Niño: Regulatory Guidance for Emergency Stream and Channel Work
Prepare for California El Niño impacts with guidance on emergency stream and channel work, regulatory coordination, documentation and response planning.
Rebuilding Highway 8 for a Changing River
See how Onterris helped rebuild Highway 8 along the Nicola River with climate-resilient bridge design, hydrotechnical engineering and habitat enhancements.
How Ambient Air Monitoring Provides Context and Transparency for Data Centers
Ambient air monitoring helps data center developers establish pre-construction air quality baselines, track changing conditions and contribute to greater environmental transparency throughout the project lifecycle
Why the AFFF Transition Is Becoming a Major Engineering and Liability Test
As fluorine-free foam becomes the industry standard, facility operators are finding that the real challenge is not choosing a replacement, but addressing what legacy systems reveal during the transition.
Why Consistent Implementation Is the Real Test of Disaster Recovery Policy
U.S. GAO report demonstrates how inconsistent implementation can undermine disaster recovery programs
California’s New CII Stormwater Permit Expands Compliance Beyond Traditional Industrial Sites in the LA Region
Introducing new compliance obligations for large commercial and institutional properties within designated Los Angeles watersheds, this new CII permit could reshape stormwater regulation across the state
7 Things Data Center Operators Need to Know About Engine and Cogeneration Emissions Compliance
Field lessons for improving data quality, control performance and permitting decisions