Case Studies
Case Studies
Operationalizing complex resilience frameworks into technical standards.
Operationalizing complex resilience frameworks into technical standards.
Green Streets Standards
The Charlotte Green Streets Standards establish a comprehensive framework designed to operationalize and scale sustainable streetscape design across the municipal right-of-way. Authoring this framework, my objective was to provide the city with a rigorous, actionable roadmap to successfully launch, evaluate, and maintain a permanent green streets program. Rather than treating ecological infrastructure as an ad-hoc addition, the document standardizes the integration of engineered bioswales, structural soil cells, and high-performance urban canopies directly into the city’s standard transit corridors. By defining clear metrics for stormwater performance, material durability, and long-term asset maintenance, this framework shifts urban street design from a source of climate vulnerability into a structured, self-sustaining network of environmental and economic resilience.
Project Overview
With 92.6% of Charlotte’s watersheds classified as impaired, the vast majority of the city's local waterways fail to meet federal water quality standards. In an urbanizing environment, this level of impairment means that untreated, toxic stormwater runoff—carrying heavy metals, hydrocarbons, sediment, and bacteria from rooftops, roads, and parking lots—bypasses natural filtration and flows directly into active aquatic ecosystems. This degradation creates severe ecological imbalances, spikes municipal water treatment liabilities, and heightens downstream environmental risks.
The green infrastructure interventions codified within the framework are engineered for high-performance pollutant removal. By integrating specialized, deep-soil bioretention cells, structural sub-paving filters, and engineered bioswales directly into the right-of-way, these standards are capable of removing up to 99% of sediment and pollutants from urban runoff before it enters the watershed.
Sustainability Framework
To move the city from high-level environmental policy to an enforceable, data-driven engineering reality, the framework is structured into five core operational components:
Policy & Planning (Strategic Realignment)
This phase anchors green infrastructure goals directly within Charlotte’s existing legislative landscape, aligning the program with Goal 7 of the Charlotte Future: 2040 Comprehensive Plan and the Strategic Energy Action Plan Plus (SEAP+). By updating regulatory codes and coordinating place-based strategies across Vision Zero safety initiatives, this section provides the structural framework necessary to treat municipal right-of-way networks as permanent environmental assets.
Partnerships & Community Support (Social Capital & Equity)
To eliminate administrative boundaries and establish public trust, this component outlines multi-tier stakeholder frameworks. It details collaboration strategies with federal entities like the EPA Environmental Finance Centers, regional bodies such as the Mecklenburg Soil & Water Conservation District, and advocacy groups like the Smart Surfaces Coalition. Crucially, it mandates participatory planning and community design sessions to prioritize green street infrastructure within historically underserved areas disproportionately impacted by inland flooding risks.
Funding & Financing (Capital Structure & Allocation)
Deploying large-scale nature-based assets requires moving past single, short-term grants toward a diversified capital matrix. This section establishes an actionable financing guide leveraging state-level programs (like the NC DEQ LASII Stormwater Funding and the NC Land and Water Fund) alongside municipal tools including Clean Water State Revolving Fund (CWSRF) low-interest loans and local General Obligation and Revenue Bonds. It also charts future governance innovations, including Public-Private Partnerships (P3s) and the introduction of dedicated Green Bonds to capture private investment market returns.
Maintenance & Stewardship (Asset Performance & Verification)
To prevent downstream system failures and protect long-term municipal budgets, this module treats nature-based installations as core infrastructure assets requiring predictable lifecycle oversight. It outlines standard written procedures tracking maintenance frequencies, trained personnel requirements, and component replacement thresholds for soil media and permeable surfaces. To cover these long-term operational expenditures, it reviews the codification of dedicated funding streams, such as structured stormwater utility user fees.
Design & Engineering Standards (Statutory Codification)
The final mechanism bridges the gap between voluntary design concepts and non-negotiable building codes. It integrates technical details for stormwater bump-outs, tree trenches, and bioswales directly into the city's legally binding construction criteria—specifically the Charlotte Land Development Standards Manual (CLDSM) and the joint utility Stormwater Control Measure (SCM) Design Manual. By locking these criteria into adopted development rules, the city enforces consistent, high-performance water quality and traffic-calming baselines across all future public and private right-of-way interventions.
Green Streets Standards
The Charlotte Green Streets Standards establish a comprehensive framework designed to operationalize and scale sustainable streetscape design across the municipal right-of-way. Authoring this framework, my objective was to provide the city with a rigorous, actionable roadmap to successfully launch, evaluate, and maintain a permanent green streets program. Rather than treating ecological infrastructure as an ad-hoc addition, the document standardizes the integration of engineered bioswales, structural soil cells, and high-performance urban canopies directly into the city’s standard transit corridors. By defining clear metrics for stormwater performance, material durability, and long-term asset maintenance, this framework shifts urban street design from a source of climate vulnerability into a structured, self-sustaining network of environmental and economic resilience.
Project Overview
With 92.6% of Charlotte’s watersheds classified as impaired, the vast majority of the city's local waterways fail to meet federal water quality standards. In an urbanizing environment, this level of impairment means that untreated, toxic stormwater runoff—carrying heavy metals, hydrocarbons, sediment, and bacteria from rooftops, roads, and parking lots—bypasses natural filtration and flows directly into active aquatic ecosystems. This degradation creates severe ecological imbalances, spikes municipal water treatment liabilities, and heightens downstream environmental risks.
The green infrastructure interventions codified within the framework are engineered for high-performance pollutant removal. By integrating specialized, deep-soil bioretention cells, structural sub-paving filters, and engineered bioswales directly into the right-of-way, these standards are capable of removing up to 99% of sediment and pollutants from urban runoff before it enters the watershed.
Sustainability Framework
To move the city from high-level environmental policy to an enforceable, data-driven engineering reality, the framework is structured into five core operational components:
Policy & Planning (Strategic Realignment)
This phase anchors green infrastructure goals directly within Charlotte’s existing legislative landscape, aligning the program with Goal 7 of the Charlotte Future: 2040 Comprehensive Plan and the Strategic Energy Action Plan Plus (SEAP+). By updating regulatory codes and coordinating place-based strategies across Vision Zero safety initiatives, this section provides the structural framework necessary to treat municipal right-of-way networks as permanent environmental assets.
Partnerships & Community Support (Social Capital & Equity)
To eliminate administrative boundaries and establish public trust, this component outlines multi-tier stakeholder frameworks. It details collaboration strategies with federal entities like the EPA Environmental Finance Centers, regional bodies such as the Mecklenburg Soil & Water Conservation District, and advocacy groups like the Smart Surfaces Coalition. Crucially, it mandates participatory planning and community design sessions to prioritize green street infrastructure within historically underserved areas disproportionately impacted by inland flooding risks.
Funding & Financing (Capital Structure & Allocation)
Deploying large-scale nature-based assets requires moving past single, short-term grants toward a diversified capital matrix. This section establishes an actionable financing guide leveraging state-level programs (like the NC DEQ LASII Stormwater Funding and the NC Land and Water Fund) alongside municipal tools including Clean Water State Revolving Fund (CWSRF) low-interest loans and local General Obligation and Revenue Bonds. It also charts future governance innovations, including Public-Private Partnerships (P3s) and the introduction of dedicated Green Bonds to capture private investment market returns.
Maintenance & Stewardship (Asset Performance & Verification)
To prevent downstream system failures and protect long-term municipal budgets, this module treats nature-based installations as core infrastructure assets requiring predictable lifecycle oversight. It outlines standard written procedures tracking maintenance frequencies, trained personnel requirements, and component replacement thresholds for soil media and permeable surfaces. To cover these long-term operational expenditures, it reviews the codification of dedicated funding streams, such as structured stormwater utility user fees.
Design & Engineering Standards (Statutory Codification)
The final mechanism bridges the gap between voluntary design concepts and non-negotiable building codes. It integrates technical details for stormwater bump-outs, tree trenches, and bioswales directly into the city's legally binding construction criteria—specifically the Charlotte Land Development Standards Manual (CLDSM) and the joint utility Stormwater Control Measure (SCM) Design Manual. By locking these criteria into adopted development rules, the city enforces consistent, high-performance water quality and traffic-calming baselines across all future public and private right-of-way interventions.