SLED Opportunity · MARYLAND · MARYLAND

    Sewer Planning Basic Ordering Agreement

    Issued by Washington Suburban Sanitary Commission
    stateRFPmarylandSol. BPM055118
    Closed
    STATUS
    Closed
    due Mar 9, 2026
    PUBLISHED
    Jan 28, 2026
    Posting date
    JURISDICTION
    maryland
    state
    NAICS CODE
    541330
    AI-classified industry

    AI Summary

    WSSC seeks services to update and calibrate 22 sewer basin models using InfoWorks ICM software, incorporating recent flow meter data and demographic projections to evaluate sewer system capacity under various weather conditions.

    Opportunity details

    Solicitation No.
    BPM055118
    Type / RFx
    RFP
    Status
    Open
    Level
    state
    Published Date
    January 28, 2026
    Due Date
    March 9, 2026
    NAICS Code
    541330AI guide
    Jurisdiction
    maryland
    Agency
    Washington Suburban Sanitary Commission

    Description

    In order to view solicitation documents your firm must register for WSSC supplier portal. Please see link: https://www.wsscwater.com/supplier. Furthermore, bids must be submitted on WSSC supplier portal prior to the due date. Questions and submittals must be submitted on WSSC supplier portal via online discussions The Planning Division is in the process of completing updates of the sewer basin models to all-pipes versions of the models. Soon, the Planning Division will have 22 sewer models in InfoWorks ICM. All models have been calibrated using permanent flow meter data within the last 10 years. The models contain all gravity sewer pipes, force mains, and wastewater pumping stations in the sewer network. The models are used to evaluate the capacity of the sewer system to convey existing and future dry and wet weather flows. Wet weather conditions are simulated under 2-year and 10-year WSSC design storms. Future flows are developed using demographic projections provided by the Metropolitan Washington Council of Governments (MWCOG). Under this Contract the Planning Division endeavors to begin a new cycle of updates to the all-pipes sewer models using updated sewer network information and recent flow meter data.

    Key dates

    1. January 28, 2026Published
    2. March 9, 2026Responses Due

    AI classification tags

    Frequently asked questions

    SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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