Strategic Unconventional Gas Development ESIA

• 1,030 wells

• 200 trillion scf resource potential

• Air, groundwater, water, ecology, social, waste and NORM

Client Situation

A strategic unconventional gas development needed a defensible ESIA for drilling, hydraulic fracturing, water management and supporting infrastructure.

R&R Response

Integrated baseline review, modelling, risk assessment, alternatives, mitigation and monitoring into one ESIA framework.

Execution Model

Coordinated engineering inputs, environmental datasets, regulatory assumptions and community sensitivities.

Result / Value

Defined the environmental and social risk profile and translated air, groundwater, water, land, traffic and waste risks into management requirements.

Key Capabilities

Oil & gas ESIA; hydraulic fracturing risk; air dispersion; groundwater vulnerability; water management; GIS; stakeholder sensitivity.

Gas Processing and Flaring Air Quality Assessment

• Sensitive receptors ~5 km from project area

• Construction and operational sources

• Normal and abnormal flaring scenarios

Client Situation

A gas processing and flowline project needed air-quality assessment for construction, commissioning and operating scenarios.

R&R Response

Assessed dust, exhaust, flaring and point sources using qualitative assessment and dispersion modelling.

Execution Model

Balanced temporary construction impacts with quantitative modelling of operating sources and receptors.

Result / Value

Defined air-quality risk and mitigation requirements for construction and operations.

Key Capabilities

Flaring; construction dust; AERMOD; receptor assessment; mitigation planning.

Well Test Flaring and Drilling Generator Air Modelling

• Five well sites

• 10 km modelling domain per site

• 100 m to 1,000 m receptor spacing

Client Situation

A gas development program needed air modelling for generators, camps and well test flaring across multiple well sites.

R&R Response

Applied AERMOD, meteorological processing, terrain data and receptor grids for NOx, SOx, CO and particulate matter.

Execution Model

Used preliminary assumptions where final vendor data was unavailable and clearly identified validation requirements.

Result / Value

Quantified temporary drilling and well-testing air-quality impacts.

Key Capabilities

Remote-site modelling; flaring; diesel generators; terrain processing; AERMOD.

Lender-Style ESIA for Major Refinery Expansion

• 50,000 to 100,000 BPSD refinery expansion

• IFC Performance Standards / Equator Principles

• Air, marine, social, ESAP and stakeholder scope

Client Situation

A refinery expansion in a dense industrial/coastal setting required a lender-ready ESIA and risk-management framework.

R&R Response

Delivered ESIA, baseline, alternatives, stakeholder engagement, ESMS, ESAP, grievance and monitoring framework.

Execution Model

Integrated engineering, local specialists, social inputs, lender standards and regulatory requirements.

Result / Value

Created a defensible pathway for permitting, lender review and cleaner-fuels upgrade decision-making.

Key Capabilities

Refinery ESIA; lender standards; marine assessment; ESAP; stakeholder engagement; climate and cumulative impact.

Petrochemical Capacity Expansion EIA

• Brownfield olefins optimization

• 20% ethylene, 12% propylene, 20% C4s, 23% benzene increases

• AERMOD and cumulative air assessment

Client Situation

An operating petrochemical facility needed to demonstrate that increased production could proceed without material additional environmental impact.

R&R Response

Focused the EIA on incremental air-quality risk, operating scenarios, emissions assumptions, cumulative assessment and mitigation.

Execution Model

Separated actual optimization impacts from the existing industrial baseline to support a clear regulatory narrative.

Result / Value

Supported a compliance-based pathway for brownfield production optimization.

Key Capabilities

Petrochemical EIA; brownfield expansion; AERMOD; cumulative impact; regulatory response.

Petrochemical Air Modelling Regulatory Response

• Five years of meteorological/air quality data

• New plant / normal cumulative / worst-case cumulative scenarios

• PSD and sensitive receptor reporting

Client Situation

Regulator comments required a clear air-modelling response structure for a petrochemical expansion.

R&R Response

Structured AERMOD scenarios, data requirements, emissions inputs, PSD evaluation and receptor reporting.

Execution Model

Translated regulatory comments into a technical pathway for response.

Result / Value

Use only as an embedded methodology proof point under Case 3 until completion/acceptance is confirmed.

Key Capabilities

Regulatory response; AERMOD; PSD; emissions inventory; receptor assessment.

Petrochemical Environmental Emergency Preparedness Plan

• 843,000 t/y propylene

• 800,000 t/y polypropylene

• Emergency preparedness framework

Client Situation

A high-risk petrochemical complex needed environmental emergency preparedness before operation.

R&R Response

Developed incident classification, spill/fire/leak procedures, communication, roles, training, evacuation and corrective-action framework.

Execution Model

Aligned environmental requirements, process safety considerations, operations and regulatory expectations.

Result / Value

Established readiness procedures to reduce escalation risk before commissioning and operation.

Key Capabilities

Emergency preparedness; HazMat; spill/fire/leak advisory; incident classification; regulatory alignment.

Integrated Aluminium & Metallurgical Cluster ESIA

• 11 industrial packages

• Red mud ~2.5M tonnes

• Slag ~20,000 tonnes

Client Situation

A multi-process metallurgical cluster required a full ESIA across air, marine, wastewater, residues, utilities and social risks.

R&R Response

Covered IFC/Equator alignment, air/GHG, marine/brine, noise, traffic, ESAP, grievance, sustainability and closure.

Execution Model

Integrated process engineering, baselines, lender requirements and topic-specific mitigation into one ESIA architecture.

Result / Value

Delivered a complete risk framework for a complex aluminium and metallurgical development.

Key Capabilities

Metallurgical ESIA; aluminium; red mud; slag; marine modelling; IFC/Equator; sustainability.

Gold Mining Environmental Compliance Assessment

• 16 major facility components

• Mine pits, plant, tailings, explosives, camps and utilities

• Permit-to-operate support

Client Situation

A large gold mining operation needed compliance assessment to support operating permit readiness.

R&R Response

Reviewed operational plans, monitoring, explosives risk, air, groundwater, soil, noise, tailings, ARD, traffic, biodiversity and closure.

Execution Model

Checked whether constructed assets, monitoring and operational controls aligned with permit commitments.

Result / Value

Supported permit-to-operate readiness and identified operational management requirements.

Key Capabilities

Mining compliance; tailings; ARD; explosives risk; monitoring review; operational controls.

Dust-Control Strategy for Phosphate Crushing

• 70%, 80%, 90%, 95% control scenarios

• 95% control efficiency target

• PM10/PM2.5 and AERMOD

Client Situation

An active phosphate operation needed urgent clarity on dust exposure and offsite compliance risk.

R&R Response

Combined field review, PM monitoring, emissions estimation, AERMOD modelling and control-efficiency scenario testing.

Execution Model

Converted a broad dust issue into source-level performance targets and mitigation options.

Result / Value

Identified ~95% dust-control efficiency as the required performance target.

Key Capabilities

Dust control; PM10/PM2.5; worker exposure; AERMOD; mitigation engineering.

Social Impact Assessment for a Greenfield Limestone Quarry

• 10-year quarry development period

• Settlements ~40–50 km from site

• Stakeholder and community H&S scope

Client Situation

A greenfield limestone quarry needed social risk assessment for communities, land use, traffic, workers and grievance planning.

R&R Response

Combined site visits, consultations, social baseline, remote sensing, traffic risk and Social Action Plan development.

Execution Model

Applied culturally aware consultation in a tribal, rural and nomadic land-use context.

Result / Value

Defined mitigation priorities for worker health, traffic, engagement, employment and grievance response.

Key Capabilities

SIA; stakeholder engagement; tribal consultation; traffic risk; social action planning.

Facility-Wide Air Emission Inventory for an Integrated Phosphate Complex

• Integrated phosphate/fertilizer complex

• NOx, SOx, CO, PM, HF, GHGs, ammonia, VOCs, iodine and dust

• Facility-wide inventory

Client Situation

A large phosphate/fertilizer facility needed a regulator-ready air emissions inventory for permit renewal.

R&R Response

Built source inventory across point sources, tanks, ponds, fugitive dust, combustion, process emissions and GHGs.

Execution Model

Managed large-volume operating data and documented assumptions, source categories and pollutant-specific reporting.

Result / Value

Produced an emissions profile for permit renewal and future compliance tracking.

Key Capabilities

Air inventory; GHG accounting; fertilizer; USEPA methods; source characterization.

Nuisance Odor Source Assessment for a Multi-Unit Industrial Facility

• NH₃, HF and SO₂

• Five years of meteorological data

• Source-pathway-receptor and BAT review

Client Situation

A multi-unit phosphate facility needed technical clarity on nuisance odor risks across multiple process areas.

R&R Response

Mapped sources, reviewed stacks/emissions, modelled pollutants, interpreted GIS outputs and screened BAT options.

Execution Model

Broke a complex odor issue into pollutant-specific and source-specific findings for decision-making.

Result / Value

Identified odor-risk profiles and priority source areas for further control review.

Key Capabilities

Odor assessment; NH₃/HF/SO₂; GIS; AERMOD; BAT; advisory.

Ammonia Odor Investigation and Control Strategy

• Two-week monitoring program

• Real-time ammonia and passive diffusion tubes

• AERMOD and odor threshold comparison

Client Situation

A fertilizer complex needed to understand whether ammonia odor concerns reflected compliance risk, nuisance risk or source-specific issues.

R&R Response

Combined source inventory, ambient monitoring, diffusion tubes, AERMOD and BAT review.

Execution Model

Interpreted modelled and measured concentrations against standards and nuisance thresholds.

Result / Value

Separated compliance risk from nuisance risk and identified likely ammonia source contributors.

Key Capabilities

Ammonia odor; monitoring; passive tubes; AERMOD; BAT review.

CO₂ Recovery and Air Separation Facility EIA

• 25,000 m² industrial plot

• 160,000 t/y CO₂ recovery potential

• 1.5 km pipeline interface

Client Situation

A CO₂ recovery and air separation project needed EIA support in an active industrial setting.

R&R Response

Assessed air, water, wastewater, noise, waste, ecology, traffic, alternatives, cumulative impacts and mitigation.

Execution Model

Connected decarbonization value with practical permitting, industrial interfaces and operational controls.

Result / Value

Supported permitting for a project with clear decarbonization and circularity benefits.

Key Capabilities

Industrial decarbonization; CO₂ recovery; EIA; air separation; sustainability; permit support.

Ecological Footprint and Resource Intensity Study

• 6.43M t/y saleable production

• 0.84 tCO₂e/t

• 4.7 GJ/t; ~2.72 m³/t; ~0.48 t/t material loss

Client Situation

An integrated phosphate operation needed production-normalized sustainability metrics for reporting and improvement planning.

R&R Response

Developed GHG, energy, water and material-loss intensity calculations with clear assumptions and reconciliations.

Execution Model

Converted complex operating data into repeatable indicators for management review.

Result / Value

Established sustainability indicators for GHG, energy, water and material loss performance.

Key Capabilities

GHG accounting; resource intensity; ecological footprint; sustainability metrics.

Regional Groundwater Vulnerability Mapping Using DRASTIC

• Seven DRASTIC parameters

• Index values <79 to ~139

• Regional GIS vulnerability map

Client Situation

A regional study needed groundwater vulnerability mapping to support planning and risk screening.

R&R Response

Applied DRASTIC methodology using hydrogeologic data and GIS mapping.

Execution Model

Documented model limitations and the need for site-specific validation in higher-sensitivity areas.

Result / Value

Identified relative vulnerability patterns to guide planning and monitoring prioritization.

Key Capabilities

Groundwater vulnerability; DRASTIC; GIS; hydrogeology; screening.

Groundwater Flow and Hypothetical Spill Modelling for Wastewater Infrastructure

• ~10 m unconfined sand aquifer

• 0.4% groundwater gradient

• 125 m³/day leak scenario; ~70–80 m/y plume movement

Client Situation

An industrial wastewater expansion needed groundwater flow and hypothetical spill modelling for permit support.

R&R Response

Built conceptual model and simulated groundwater flow and leak scenarios using geotechnical and hydrogeological data.

Execution Model

Translated geotechnical inputs into a regulator-facing hydrogeological risk model.

Result / Value

Defined potential plume migration and monitoring needs for permitting.

Key Capabilities

Groundwater modelling; plume migration; spill risk; permit support.

Industrial Wastewater Odor-Control Performance Verification

• H₂S and NH₃

• Five years of meteorological data

• 99.5% OCU removal efficiency; functional and failure scenarios

Client Situation

An industrial wastewater expansion needed evidence that its odor-control system would protect receptors under normal and failure conditions.

R&R Response

Modelled functional and non-functional scenarios, sensitive receptors, building downwash and nuisance/regulatory thresholds.

Execution Model

Linked engineering reliability to environmental compliance and regulator discussion.

Result / Value

Verified that system reliability was critical to avoiding nuisance and compliance risk.

Key Capabilities

Wastewater odor; AERMOD; H₂S/NH₃; failure scenario; permit support.

Environmental Emergency Preparedness for Industrial Wastewater Infrastructure

• 10+ emergency scenario types

• Chlorine, H₂S, methane, spills, leaks and fire

• Preparedness documentation

Client Situation

Industrial wastewater infrastructure needed emergency preparedness planning for process failures and hazardous scenarios.

R&R Response

Developed incident classification, roles, alarms, communication, training, evacuation, corrective action and regulator communication.

Execution Model

Integrated with existing plant safety and emergency systems as an environmental preparedness framework.

Result / Value

Strengthened readiness through defined procedures and responsibilities.

Key Capabilities

Wastewater EERP; incident classification; preparedness; regulator communication.

Mountain Tunnel Sustainability Management Plan

• 28.28 km twin mountain tunnels

• 5.18M m³ excavated material

• 80% recycled steel content target; 40% water reduction; 10% GHG/air pollutant reduction

Client Situation

A major tunnel program needed construction-phase sustainability management aligned with Envision and project standards.

R&R Response

Developed SMP across quality of life, leadership, resource allocation, natural world, climate/resilience and footprint metrics.

Execution Model

Translated sustainability expectations into KPIs, action plans, documentation and evidence controls.

Result / Value

Converted commitments into measurable implementation controls for construction delivery.

Key Capabilities

Infrastructure sustainability; Envision; GHG; resource efficiency; stakeholder management.

Preliminary ESMP for High-Profile Tunnel Infrastructure

• 4.4 km tunnel alignment

• 804 m vault; 253 m roof span; 112 m height

• TBM and drill-and-blast methods

Client Situation

A high-profile tunnel project needed early environmental controls before final ESIA and permit conditions were available.

R&R Response

Prepared preliminary ESMP for spoil, dewatering, air/noise, water quality, soil, habitat, hazardous materials and sustainability.

Execution Model

Anticipated obligations during tender/design development under incomplete final permitting information.

Result / Value

Provided early environmental and sustainability controls to de-risk planning.

Key Capabilities

Tunnel ESMP; TBM; drill-and-blast; spoil; dewatering; early-stage risk.

GIS-Based Noise Monitoring for Coastal Development

• 6 continuous 24-hour monitoring locations

• 9 short-duration monitoring locations

• LAeq, LAmax, L10 and L90

Client Situation

A coastal development needed baseline noise data and GIS interpretation for planning-level decisions.

R&R Response

Delivered monitoring, LAeq/LAmax analysis, GIS plotting, spatial interpolation and dataset comparison.

Execution Model

Converted field measurements into visual planning outputs while avoiding overstated predictive conclusions.

Result / Value

Produced GIS-based acoustic outputs for planning, design review and future monitoring decisions.

Key Capabilities

Noise monitoring; GIS; baseline studies; coastal development; planning support.