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Vault Abandonment Specialist

Active
State & Local

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The Vault Abandonment Specialist subcontract involves providing specialized services for prime contractors on WSSC projects within Maryland. The primary scope of work consists of the abandonment of existing valve vaults by filling them with flowable fill, such as low-strength concrete or slurry, utilizing pumping equipment. This process is designed to stabilize the surrounding area and prevent future subsidence in accordance with WSSC Standard Specifications. This opportunity is categorized under NAICS code 238910 and is managed by the Engineering and Construction Department. Interested parties must submit their responses by the deadline of November 16, 2026. The final deliverable for this contract is the successful abandonment and filling of the designated valve vaults.

General Info

Subcontract for filling WSSC valve vaults with flowable fill in Maryland by 2026.

Documents

This scope was carved out of 120583.

The full solicitation package (10 documents), including the RFP, is on the prime solicitation, not on this scope.

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Penn Manor Large Valve Vault Replacement

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Organization & Contact Information

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AgencyMaryland → Engineering & Construction Department
ContactsNo contacts available
OfficeN/A
Office AddressN/A
ContactsNo contact information available

Full Description

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Performs abandonment of existing valve vaults for prime contractors on WSSC projects. Fills existing valve vaults with flowable fill (low-strength concrete/slurry) using pumping equipment to stabilize the area and prevent future subsidence per WSSC Standard Specifications. Delivers an abandoned and filled existing valve vault.

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NAICS: 237110
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The Penn Manor Lane Large Valve Vault Replacement project, managed by the Washington Suburban Sanitary Commission (WSSC) Engineering and Construction Department, involves the replacement of a 24-inch large valve vault in the Bowie area of Prince George's County, Maryland. The scope of work includes relocating approximately 51 feet of 24-inch water main and 54 feet of water house connections. Technical requirements specify the use of zinc-coated Class 54 minimum ductile iron pipe with V-BIO enhanced polyethylene encasement and fusion-bonded epoxy-coated fittings. The project must be completed within 65 days from the Notice to Proceed, with strict adherence to compaction testing standards and watertight construction. The contract will be awarded to the lowest-priced responsive and responsible bidder who demonstrates successful experience in installing large-diameter water mains. Bidders must submit comprehensive qualifications, including a project experience summary, and comply with Maryland Prevailing Wage requirements and the Maryland Buy American Steel Act. Security background investigations are required for representatives to access sensitive project plans. Administration is handled through the EBuilder online tool, and payment is contingent upon the submission of itemized statements and original receipted invoices. Required bonds include Performance, Labor and Material Payment, and Maintenance bonds, each equal to 100 percent of the contract price.
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POSTED

5 days ago

DEADLINE

in 23 days
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NAICS: 541330
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Water Engineering Services (BOA)
Solicitation # 1177
The Washington Suburban Sanitary Commission (WSSC Water) is soliciting a Blanket Order Agreement (BOA) for specialized water engineering services to support the maintenance, calibration, and evaluation of its water distribution system. The scope of work focuses on hydraulic modeling using Bentley WaterGEMS and Bentley HAMMER, developing 20-year water demand projections, and providing operational support for the Water and Wastewater Planning Section. These services are critical for analyzing system capacity, supporting capital improvement plans, and ensuring infrastructure resiliency through the integration of GIS and SCADA data. The contract is structured as a requirements contract with a base term of three years and a potential two-year option. Work is executed via individual task orders, with consultants required to provide detailed work plans and fee proposals within ten business days of a draft scope. Award decisions are based on the most advantageous proposal, evaluating both technical merit and price, with a specific scoring system ranging from unacceptable to excellent. Administrative requirements include the submission of a separate price proposal for labor rates and a technical proposal organized into six specific tabs. Offerors must provide various certifications, including conflict of interest and Iran investment affidavits, and must undergo security background investigations to access sensitive plans. The contract emphasizes socioeconomic participation through Minority Business Enterprise (MBE) and Small Local Business Enterprise (SLBE) programs. Payment is processed monthly upon approval of progress reports, and contractors must provide insurance certificates within ten days of the award notice.
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POSTED

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DEADLINE

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