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Elliptical Reinforced Concrete Pipe

County Material’ Elliptical Reinforced Concrete Pipe (RCP) is manufactured for efficient installation and long-term reliability in demanding infrastructure projects. When site constraints require high flow capacity at shallow depths, elliptical RCP provides a performance-driven solution in horizontal (HE) and vertical (VE) configurations. HE increases flow capacity at reduced cover, while VE supports higher flushing velocities during low-flow conditions. Available in sizes from 18" to 120" equivalent, most sections include pre-lubricated gasket joints for watertight performance, faster installation, reduced labor, and resistance to infiltration. This system delivers durable hydraulic efficiency for stormwater, culvert, and sanitary sewer applications.

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Elliptical RCP Solutions for Shallow Site Conditions

Manufactured for stormwater, culvert, and sanitary sewer systems, elliptical RCP delivers high flow efficiency in shallow-depth installations, offering flexible design options and long-term structural performance.

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Commercial Stormwater and Drainage Systems

Elliptical RCP provides high-performance stormwater and drainage systems with shallow installation depths and high flow capacity requirements. Available in HE and VE configurations, it allows engineers to optimize hydraulic performance for retail, industrial, and mixed-use sites. HE installation increases flow capacity under reduced cover conditions, while VE installation supports higher flushing velocities during low-flow conditions. Pre-lubricated gasket joints create watertight connections that resist infiltration, supporting faster installation, reduced labor, and long-term system durability in commercial environments.

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Multifamily Stormwater and Drainage Systems

Elliptical RCP supports stormwater management in multifamily developments where shallow cover and limited site space require efficient drainage solutions. Available in HE and VE configurations, it allows flexible design for residential campuses and apartment communities. HE installation increases flow capacity under reduced cover conditions, while VE installation supports higher flushing velocities during low-flow conditions. Pre-lubricated gasket joints provide watertight connections that resist infiltration, enabling faster installation, reduced labor, and reliable long-term performance in dense residential environments.

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Municipal Stormwater and Infrastructure Systems

Elliptical RCP is used in municipal infrastructure projects to manage drainage where site constraints require efficient conveyance beneath roadways, intersections, and public corridors. HE and VE configurations, it allows engineers to adapt hydraulic performance to varying elevation and right-of-way conditions. HE improves flow capacity under shallow cover, while VE supports higher flushing velocities in low-flow conditions. Pre-lubricated gasket joints provide watertight connections that resist infiltration, for dependable performance and reduced lifecycle maintenance.

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Residential Site Drainage Systems

Residential site drainage systems benefit from elliptical RCP when shallow cover or limited space requires higher flow capacity. Available in HE and VE configurations, elliptical RCP efficiently conveys stormwater beneath streets, driveways, and yards while supporting effective flushing at low flows. Its rigid concrete structure resists deformation, flotation, and corrosion, and gasketed joints create watertight connections that reduce infiltration and support long-term, low-maintenance performance in residential developments.

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Transportation Drainage Systems

Transportation drainage systems rely on elliptical RCP to manage high stormwater volumes where limited cover or tight right-of-way conditions exist. HE and VE elliptical configurations allow designers to achieve the required hydraulic capacity beneath roadways, bridges, and interchanges. Elliptical RCP provides the rigid strength needed to resist heavy traffic loads, flotation, and deformation, while gasketed joints help maintain watertight performance, supporting long-term durability and reduced maintenance across transportation infrastructure.

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Utility Infrastructure Systems

Utility infrastructure systems use elliptical RCP to convey stormwater and wastewater where space constraints, shallow cover, or existing utilities limit design flexibility. HE and VE elliptical configurations provide high hydraulic capacity while fitting beneath congested corridors and utility crossings. Elliptical RCP delivers rigid strength to resist external loads, flotation, and deformation, while gasketed joints support watertight performance, helping protect system integrity and ensure long-term, low-maintenance service for critical utility networks.

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Benefits of Elliptical RCP

County Materials’ Reinforced Concrete Pipe offers a solution for stormwater, culverts, and sewers that delivers long service life, strength, and efficient installation performance.

Shallow Depth High Flow Performance

When design constraints require shallow cover and high flow capacity, elliptical RCP delivers efficient hydraulic performance in space-limited installations.

Watertight Gasket Joint System

Most elliptical RCP sizes include pre-lubricated gaskets that create watertight joints, resisting the infiltration of silt and sand for long-term system integrity.

Faster Installation Efficiency

Enhanced joint security and precast precision streamline installation, reducing field labor, improving alignment, and accelerating construction schedules.

Horizontal And Vertical Options

Available in HE and VE configurations, allowing engineers to match hydraulic performance to project requirements.

Wide Size Range Availability

Elliptical RCP is available in sizes from 18-inch to 120-inch equivalent, supporting a broad range of stormwater, culvert, and drainage applications.

Optimized Flow Performance

HE elliptical increases flow capacity at reduced cover, while VE elliptical supports higher flushing velocities during low-flow conditions.

Alternative To Restricted Profiles

Ideal replacement for round RCP and arch pipe where height or width constraints limit installation options, while maintaining structural performance.

Advantages Over Plastic Pipe Systems

RCP offers exceptional strength, durability, and resistance to deflection, while avoiding microplastic generation associated with plastic pipe systems.

Reliable Drainage for Constrained Sites

Elliptical RCP delivers efficient hydraulic performance, shallow-depth installation advantages, and long-term durability for complex drainage and utility conditions.

View Commercial Solutions
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Commercial

Commercial developments benefit from elliptical RCP’s long service life, strength, horizontal and vertical options, and efficient installation performance. Elliptical RCP manufactured by County Materials is a time-tested solution for storm water systems and diverse commercial applications.

View Multifamily Solutions
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Multifamily

In multifamily developments, elliptical RCP manufactured by County Materials offers flexible HE and VE options to support both high-capacity flow and effective flushing, while durable concrete construction and watertight joints help maintain reliable, low-maintenance performance across residential campuses. County Materials brings multifamily developments to life with a full line of precast concrete products designed for efficiency and long-term performance.

View Municipal Solutions
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Municipal

In municipal infrastructure projects, elliptical RCP provides hydraulic efficiency, watertight joints, faster installation, and is available in a wide variety of sizes. From culverts and pedestrian tunnels to underground recharge systems, County Materials offers an extensive range of products designed to deliver reliable solutions for municipalities.

View Residential Solutions
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Residential

County Materials’ Elliptical RCP is used in residential drainage systems, offers several key advantages including pre-lubricated gasket joints for watertight performance, faster installation, reduced labor, and resistance to infiltration. With regional production and coordinated delivery, County Materials supports your needs with a comprehensive range of products that help streamline construction and deliver residential projects built to perform.

View Utilities Solutions
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Utilities

Utility infrastructure projects use elliptical RCP for its rigid strength, resistance to deflection, and watertight joints, which help protect system integrity while supporting dependable, low-maintenance service for critical networks. Learn more about our expansive selection of precast concrete components designed to support reliable drainage, access, and underground utility systems.

View Transportation Solutions
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Transportation

Transportation drainage systems benefit from elliptical RCP where HE and VE configurations provide hydraulic flexibility, strength, durability, and watertight joints to ensure long-term durability and reduced life-cycle costs. With regional manufacturing, technical expertise, and coordinated delivery, explore more from County Materials that keep transportation projects moving safely, efficiently, and on schedule.

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Projects

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Elk River High School needed to update their storm water management system when building a new tennis complex. Due to elevation requirements and excavation restrictions, there was a restrictive depth limit for the new system. Project leaders specified County Materials’ Elliptical Reinforced Concrete Pipe for its ability to allow higher flow capacities at shallower depths.

Elk River High School

Elk River, MN

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Due to increasing traffic demands in Kenosha County, the Wisconsin Department of Transportation expanded State Highway 50 and further developed the area’s storm water system.

State Highway 50

Kenosha, WI

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Specified by project leaders, County Materials’ Reinforced Concrete Pipe proved ideal for this roadway expansion because of its unmatched strength and reliability.

Calhoun Road

Brookfield, WI

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