Freeze - Thaw Cycles and Gas Main Failures: What Utilities Should Watch For and How Trenchless Rehabilitation Can Help

Each winter, natural gas utilities prepare for increased system stress caused by extreme weather. While freezing temperatures alone can introduce challenges to gas distribution systems, the most significant infrastructure failures often occur during the freeze–thaw transition, when ground conditions shift and pipelines experience unexpected mechanical stress.

Across North America, utilities frequently observe spikes in gas main leaks and failures in late winter and early spring, when frozen soil begins to thaw and settle. These seasonal conditions can expose vulnerabilities in aging infrastructure and require rapid response solutions to maintain safety and service continuity.

Understanding why freeze–thaw cycles impact gas pipelines, what warning signs to watch for, and how trenchless rehabilitation technologies like Starline CIPL can address failures is critical for operators managing distribution systems.

Why Freeze - Thaw Cycles Stress Gas Pipelines

Buried pipelines are constantly interacting with the surrounding soil environment. During extreme cold weather events, several factors combine to create stress on gas distribution infrastructure.

Soil Expansion and Settlement

When ground freezes, soil expands and can effectively “lock” pipelines in place. As temperatures rise and thawing begins, soil conditions change rapidly. Uneven thawing can cause differential settlement, placing bending or axial stress on buried pipelines.

Thermal Contraction of Metal Pipes

Steel and cast iron pipelines contract during extreme cold conditions. When temperatures rebound, the resulting movement can place additional stress on joints, couplings, and connections.

Demand and Pressure Variations

Winter demand spikes can increase system pressure fluctuations. Combined with physical movement of the pipe, this can contribute to weak points failing under stress.

Existing Corrosion or Structural Weakness

Many distribution systems contain pipelines that have been in service for decades. Corrosion, joint degradation, and material fatigue can leave pipelines susceptible to failure when seasonal stresses are introduced.

For utilities managing aging infrastructure, freeze–thaw cycles often act as the trigger that exposes underlying integrity issues.

Warning Signs Utilities Should Watch For

Freeze–thaw related failures do not always appear immediately after a cold event. In many cases, leaks and failures occur weeks after temperatures begin to rise.

Utilities commonly monitor for:

• Increased leak survey detections
• Pressure irregularities within distribution zones
• Reports of gas odor in service areas
• Evidence of ground movement or settlement near pipeline corridors
• Recurring issues at previously repaired sections of pipe

When these signs appear, operators must quickly determine the most effective repair strategy.

The Challenge of Traditional Pipeline Repairs

Historically, repairing a damaged gas main has required excavation and pipe replacement. While replacement remains necessary in some situations, excavation-based repairs can present several challenges:

• Extensive traffic and community disruption
• Long repair timelines
• High capital costs
• Difficult access in urban or congested environments

In many locations, pipelines run beneath major roadways, utilities, or developed infrastructure, making excavation complex and disruptive.

As a result, utilities increasingly evaluate trenchless rehabilitation technologies when responding to pipeline integrity failures.

Starline® CIPL: A Trenchless Rehabilitation Solution

One of the most effective trenchless technologies used in gas distribution rehabilitation is Starline Cured-In-Place Lining (CIPL).

CIPL involves installing a resin-impregnated composite liner inside the existing host pipe, which is then cured to create a new structural pipe within the original pipeline.

The result is a continuous, jointless composite pipe that restores structural integrity and seals defects within the existing main.

Key benefits of CIPL include:

• Structural reinforcement of weakened pipelines
• Sealing of corrosion defects and minor leaks
• Reduced disruption to communities and roadways
• Extended service life for existing infrastructure

Because the liner forms within the existing pipe, the process allows utilities to rehabilitate pipelines without full replacement.

Why Trenchless Rehabilitation Is Valuable for Winter Failures

When freeze–thaw conditions lead to pipeline failures, utilities must balance multiple priorities:

• Ensuring public safety
• Maintaining gas service continuity
• Minimizing disruption to communities
• Restoring pipeline integrity quickly

Trenchless rehabilitation technologies allow operators to address pipeline failures with significantly less surface disruption, often reducing project timelines compared to traditional replacement.

For winter-related failures, the ability to deploy rehabilitation solutions quickly and efficiently can be critical for restoring system reliability.

How Progressive Pipeline Management Supports Utilities

Progressive Pipeline Management (PPM) works with utilities across North America to evaluate and rehabilitate aging gas distribution infrastructure.

PPM specializes in trenchless technologies, including Starline CIPL installations, and supports utilities with:

• Pipeline condition assessment
• Engineering evaluation of rehabilitation options
• Installation of composite pipeline liners
• Complex trenchless rehabilitation projects

By combining technical expertise with proven rehabilitation technologies, PPM helps utilities restore pipeline integrity while minimizing disruption to surrounding communities.

Preparing for Seasonal Infrastructure Stress

Freeze–thaw cycles will continue to challenge gas distribution systems, particularly as aging infrastructure interacts with changing environmental conditions.

Utilities that plan ahead by monitoring system conditions and evaluating rehabilitation options can respond more effectively when failures occur.

Technologies like Starline CIPL provide operators with additional tools to rehabilitate pipelines quickly, safely, and with minimal disruption, helping extend the life of critical infrastructure.

Are you concerned about potential freeze-thaw impact to your system? Contact us for an evaluation.

Progressive Pipeline Management Appoints Robert C. DeLuca asChief Financial Officer to Support National Growth Strategy

Wenonah, New Jersey - April 14, 2026 - Progressive Pipeline Management (PPM), a national leader in trenchless pipeline rehabilitation and natural gas infrastructure solutions, today announced the appointment of Robert C. DeLuca, CPA, MBA as its Chief Financial Officer.

This milestone marks a significant step in PPM’s continued evolution as the company sharpens its focus on disciplined growth, operational excellence, and strategic expansion across the United States.

DeLuca will report directly to President, Andrew Gonnella, and will be responsible for leading the company’s financial strategy, supporting expansion initiatives, and building the infrastructure required to scale the business for long-term success.

“This is a defining moment for PPM,” said Andrew Gonnella. “As we continue to grow and take on larger, more complex opportunities across the country, it’s critical that we build the financial strength and discipline to support that growth.

Bringing Robert on as our CFO is a strategic investment in our future. His experience in M&A, financial strategy, working across diverse teams and within high-growth organizations will help us elevate how we operate and execute on our long-term vision.”

“Over the past year, we’ve been intentional about building a leadership team that can take PPM to the next level. Following the appointment of Andrew as President, bringing in a new CFO is another important step in executing our growth strategy, said David Wickersham, CEO & Founder. We’ve built a strong foundation and now we’re putting the right structure and leadership in place to scale it the right way.”

DeLuca brings extensive experience across financial leadership, transaction advisory, and operational finance. Most recently, he served as Managing Director at CFGI, where he advised more than 200 M&A transactions spanning middle-market to multi-billion-dollar enterprises.

His career also includes leadership roles at QVC (Qurate Retail Group) and PricewaterhouseCoopers (PwC), where he built a strong track record in financial planning, due diligence, and strategic decision support.

“PPM is at an exciting inflection point,” said Robert C. DeLuca. “The company has built a strong reputation with differentiated capabilities and a clear growth trajectory.

I’m excited to join the team and help scale the financial and operational foundation of the business supporting expansion, enhancing decision-making, and positioning PPM to capitalize on the opportunities ahead.”

About Progressive

Pipeline Management (PPM) Progressive Pipeline Management (PPM) is a national provider of trenchless rehabilitation solutions for gas, water, sewer, facility infrastructure and rapid emergency & disaster site services.

With a 20+ year legacy and a proven portfolio of patented technologies and field services, PPM serves utilities, municipalities, and building owners across the U.S. with safer, cleaner, and faster alternatives to traditional utility maintenance and replacement.

To learn more please visit www.progressivepipe.com.

Media Contact: Jackie Herrera Jackie.herrera@chasmbridge.com 713-791-8284

Progressive Pipeline Management Appoints Andrew Gonnella as President

Industry Veteran to Lead Daily Operations and Strategic Growth Alongside Founder and CEO David Wickersham

Philadelphia, PA – October 20, 2025 — Progressive Pipeline Management (PPM), a national leader in trenchless infrastructure renewal and emergency site services, is proud to announce the appointment of Andrew Gonnella as President, marking a significant step forward in the company’s evolution and long-term growth strategy.

As President, Gonnella will assume leadership of the company’s day-to-day operations including both the pipeline renewal and emergency site services divisions. This move enables Founder and CEO David Wickersham to focus on broader strategic initiatives and long-term vision while remaining closely connected to key customers. The two will work in close partnership to accelerate PPM’s expansion into new markets and services; backed by the recent investment from Platform Partners, a Houston-based private equity firm known for its long-term operational support.

“This is a transformational moment for PPM,” said David Wickersham, Founder and CEO. “Andrew brings the right mix of operational discipline, trenchless expertise, and team leadership to elevate how we serve our customers across the country. As I focus on our future strategy, I couldn’t ask for a better partner to run the business alongside me.”

Gonnella joins PPM with more than a decade of experience in trenchless rehabilitation and pipeline infrastructure. Most notably, he helped lead the buildout of Vortex Companies, the industry’s largest manufacturer and distributor of trenchless rehabilitation materials, liners, and technologies. His leadership helped shape Vortex’s rapid national and international expansion, and he brings that same growth-focused mindset to PPM.

“PPM has all the ingredients to lead the next era of trenchless technology in the energy and utilities sectors,” said Andrew Gonnella, President. “With our amazing field teams, proprietary technologies and processes, as well as deep customer trust, we’re ready to scale without losing the quality or responsiveness that define us.”

The announcement follows PPM’s recent partnership with Platform Partners, whose financial and strategic backing signals a new phase of growth for the company.

“Andrew’s appointment reflects PPM’s commitment to operational excellence and growth,” said Lucas Kuipers, Executive Vice President at Platform Partners. “We believe in David’s long-term vision and are thrilled to support this new leadership structure that blends modernization with execution. Andrew is a proven operator and a perfect fit for PPM’s next chapter.”

Together, David Wickersham and Andrew Gonnella will guide PPM’s expansion across its core service lines, including cured-in-place lining (CIPL) for natural gas pipeline infrastructure, emergency and disaster response, and facility maintenance solutions.

About Progressive Pipeline Management

Progressive Pipeline Management (PPM) is a national provider of trenchless rehabilitation and replacement solutions for gas, water, sewer, building infrastructure and rapid emergency & disaster site services. With a 20+ year legacy and a proven portfolio of patented technologies and field services,

PPM serves utilities, municipalities, and building owners across the U.S. with safer, cleaner, and faster alternatives to traditional utility maintenance and replacement.

To learn more please visit www.progressivepipe.com.

Media Contact: Jackie Herrera 713-791-8284 Jackie.Herrera@ChasmBridge.com