Scituate Dam Water Supply Pipe Cleaning and Inspection
Water Supply
Project details
Cleaning and inspection of twin 60-inch riveted steel pipes under the Scituate Dam, which serve water to Providence, East Providence, and Bristol County.

Corrosion engineering, infrastructure assessment, and rehabilitation technologies
CorrTech, Inc. is a corrosion engineering and infrastructure assessment practice headquartered in Marlborough, Massachusetts, with additional offices in Connecticut. Founded in 1997, it designs, installs, tests, and manages cathodic protection systems and performs corrosion condition assessments for metal and concrete infrastructure across the water, wastewater, power generation, nuclear, oil and gas, petrochemical, and transportation sectors. Services include sacrificial and impressed current cathodic protection design and installation, API 653 and STI SP001 tank inspections, ROV underwater robotic tank inspections and cleaning, coating inspection, ultrasonic thickness testing, pipe integrity management, stray current corrosion control, and long-term asset management programs. Staff hold NACE International Corrosion Specialist, Cathodic Protection Specialist, NACE Coating Inspector, and Licensed Professional Engineer credentials.
ISNetworld Safety Qualification · Avetta Safety Qualification
Elizabeth Paul McQuaidePresident
Scott PaulTechnical Director
Provides engineering and design for sacrificial anode and impressed current cathodic protection systems protecting structures exposed to electrolytic media. Work includes material selection, complete project management, and system installation for buried pipelines, storage tanks, and water mains.
Custom engineering and deployment of impressed current protection arrays for complex or large-scale structures.
Design and installation of galvanic sacrificial anode systems to provide maintenance-free corrosion mitigation.
Periodic evaluations, troubleshooting, and field adjustments to keep operating cathodic protection systems compliant and functional.
Scheduled regulatory and performance monitoring of installed systems.
Locating electrical shorts, failed components, and other operational anomalies.
Regular upkeeps and equipment adjustments to optimize system lifespan.
Engineering design and mitigation for stray DC current interference, particularly for rail transit and transit corridors.
Performs inspections and maintenance of bulk chemical and water storage tanks in compliance with federal, state, and local regulatory requirements. Capabilities encompass robotic cleaning, thickness mapping, and structural evaluations.
In-depth mechanical integrity and structural inspections led by certified personnel.
Regulatory inspections for shop-fabricated aboveground storage tanks.
In-service underwater robotic evaluations and cleanings that keep tanks online without disrupting water supply.
Non-destructive testing to measure wall loss and quantify steel degradation.
NACE-certified evaluations of interior and exterior tank protective coatings.
Evaluates and mitigates corrosion in active pipelines, water mains, and structural concrete or steel assets. The practice utilizes direct and indirect assessment techniques to analyze failures and determine soil corrosivity.
Post-mortem investigation of corroded components to identify failure mechanisms and prevent reoccurrence.
Surface-based survey methods to map corrosion anomalies and coating defects on buried lines.
Field and laboratory evaluation of soil chemistry and resistivity to assess corrosion risk to buried structures.
Assessing assets against federal, state, and industry corrosion safety standards.
Delivers long-term asset management programs for municipal and industrial water storage tanks to optimize life cycle costs and maintain water quality.
Standardized periodic checkups to ensure sanitary, structural, and safety integrity.
Cleaning and vacuuming settled solids to improve water quality and preserve tank linings.
Installing and repairing modern sanitary screens, hatches, and safety ladders.
Full-scale blasting and application of high-performance replacement coating systems.
Specifies and applies protective coatings and specialized concrete repair systems to restore compromised structures and prolong asset service life.
Restores deteriorating pipelines and related infrastructure using high-performance protective coating systems and concrete lining materials.
Installing specialized external or internal barriers on piping networks.
Applying structural concrete repairs to damaged or corroded concrete conduits.
Develops customized corrosion mitigation strategies, including material selection, protective coating specifications, and inhibitor selection for infrastructure projects.
Advising on durable and compatible alloys or polymers during system design.
Drafting precise engineering requirements for industrial paint and barrier applications.
Applying volatizing and chemical corrosion inhibitors to closed systems or interstitial spaces.
Assesses remaining service life and identifies corrosion risks for critical buried or submerged infrastructure networks.
Applying direct and indirect techniques to evaluate structural safety in high-consequence pipeline segments.
Testing and modeling to determine leak risks and rehabilitation timelines for municipal transmission mains.
Evaluating utility transmission systems and buried steel conduits to secure energy grids.
Water Supply · Wastewater · Power Generation · Nuclear · Power Transmission & Distribution · Oil & Gas · Petrochemical · Transit · Rail · Data Centers · Commercial
Water Supply
Cleaning and inspection of twin 60-inch riveted steel pipes under the Scituate Dam, which serve water to Providence, East Providence, and Bristol County.
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