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CMP Stormwater Detention and Infiltration

    CMP Stormwater Detention and Infiltration

    Contech’s CMP stormwater detention and infiltration systems store stormwater and release it downstream at an allowable discharge rate or allow it to infiltrate into the surrounding soils. Systems can be sized and shaped to meet site-specific needs, and are available fully or partially perforated.

    WHY CONTECH START A PROJECT

    High Volume Applications

    Designing, manufacturing and installing high-volume stormwater detention and treatment systems requires expert engineering, planning, and logistical support to manage costs and keep the project on schedule and under budget. When you need a proven, large scale stormwater management system,“Go Big” with Contech.

    Hydrocad

    HydroCAD Stormwater Modeling

    Contech CMP Detention Systemscan be easily modeled with the Hydrocad stormwater modeling system, allowing simplified analysis of the devices' behavior in a drainage and stormwater management system. The Hydrocad chamber library includes detailed storage data for each Contech product allowing automatic determination of their unique stage-storage characteristics..Click here for details.

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    The Contech Design Center

    The Contech Design Center provides engineers unparalleled flexibility in the layout and configuration of a detention or infiltration storage system. Our latest release includes options previously unavailable in a free, web-based design tool:

    • A 2D/3D design environment with high resolution graphics including BIM model output.
    • The ability to import a PDF site plan and design a system to scale over the plan.
    • Provide instant access to customized, project-specific drawings.
    • Design multiple systems per project and save for future use.
    • Digitally collaborate using the new “Project Collaboration” feature. Share your project easily with anyone through the new project management page.
    Contech Design Center
    Bioretention and Subsurface Infiltration with Perforated CMP

    Perforated CMP stores stormwater runoff exceeding a site’s allowable discharge rate and releases it slowly over time. Various coatings are available to achieve 75-100 year design service life. Rectangular, L-shaped, and staggered cells are frequently used to design around existing utilities.

    Low profile/Low drop

    Small diameter or pipe-arch shaped CMP can maximize vertical storage space. The low, wide pipe-arch design allows for greater storage in a shallow profile than typical round pipe without losing any structural integrity.

    CMP Stormwater Detention Systems

    CMP stormwater detention systems store stormwater runoff exceeding a site’s allowable discharge rate and release it slowly over time. Installed below grade, stormwater detention systems maximize land usage and help meet water quantity requirements.

    CMP for Stormwater Infiltration

    穿孔CMP stormwat渗透系统商店er runoff in the pipe and surrounding stone during a storm until it can be slowly released into the surrounding native soil. Perforated CMP is often used to meet Low Impact Development requirements.

    High Volume Applications

    Designing, manufacturing and installing high-volume stormwater detention and treatment systems requires expert engineering, planning, and logistical support to manage costs and keep the project on schedule and under budget. When you need a proven, large scale stormwater management system,“Go Big” with Contech.

    Technical information for this product is centrally located in the technical guides section.

    View Technical Information

    CMP Detention and Infiltration - Meet Stormwater Quantity and Runoff Reduction Requirements

    Corrugated metal pipe (CMP) is the “go to” material for the majority of detention and infiltration projects. Contech’s CMP detention and infiltration systems and can be sized and shaped to meet site-specific needs.

    • NCSPA service life guidance of 75+ years for certain materials in recommended environments. Please refer to the Corrugated Metal Pipe Detention Design Guide for additional information.
    • 各种管外套ings and materials are available to accommodate site-specific needs: Aluminized Steel Type 2 (ALT2), Galvanized, CORLIX® Aluminum, and Polymeric.
    • Wide range of gages, corrugations, and shapes, in diameters 12” – 144”.
    • Pipe can be fully or partially perforated for infiltration or groundwater recharge applications.
    • Custom access risers and manifolds provide direct access for maintenance.
    • Outlet control devices can be incorporated within the system, eliminating the need for a separate structure.
    • Customizable - a variety of fittings allow CMP to match most layout configurations.
    • May be designed for heavy loading and high maximum cover.
    • Contributes to LEED points.
    • Available locally; quick turnaround time.
    • The most economical installed solution.

    The Contech Advantage

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    Agency/Regulatory Guidance

    Our team is ready to provide you with expert advice and assistance on local regulatory requirements, resulting in faster approvals.

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    Solution Development

    Our engineers can review your requirements, weigh all options, and recommend the optimal solution to integrate with your site designs.

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    Technical Expertise

    Our engineers can assist by providing product specific engineering calculations such as hydraulics, buoyancy, foundation reactions, and unit sizing.

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    Cost Estimates

    We can quickly provide engineer’s cost
    estimates to assist with your solution
    selection process.

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    Site Specific Drawings

    Our engineers can provide site-specific drawings for proposals, project meetings, and submittals, helping you be more efficient with your time.

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    On-site Assistance

    Contractors know time is money, so we provide preconstruction meetings, delivery coordination, and on-site installation support to ensure a timely, smooth installation.