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Aggregate and Riprap Supply

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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This subcontract for Aggregate and Riprap Supply involves providing various stone and fill materials to prime contractors for stream restoration projects managed by the Charles County Government. The scope of work includes the delivery of Class I, II, and III Riprap, boulders, riffle stability mix, No. 2 aggregate, topsoil, and suitable fill, all of which must adhere to the standards set by the Department of Planning and Growth Management. Managed by the DPW Capital Project Management agency in Maryland, the contract requires the delivery of specified quantities of materials directly to the project sites. The solicitation was posted on September 14, 2026, with a response deadline of October 13, 2026.

General Info

Subcontract for supplying stone and fill materials for Charles County stream restoration projects.

Agency

Maryland → DPW - Capital Project ManagementView Agency

NAICS

212321 - Construction Sand and Gravel MiningView NAICS

Place of Performance

MD, USA

Set-Aside

NONE

Documents

This scope was carved out of 27-009.

The full solicitation package (12 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

NPDES Oak Ridge Park East Stream Restoration

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Timeline

Posted

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Response Deadline

Submission deadline

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Organization & Contact Information

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AgencyMaryland → DPW - Capital Project Management
ContactsNo contacts available
OfficeN/A
Organization / Agency
Maryland → DPW - Capital Project Management
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Office AddressN/A
ContactsNo contact information available

Full Description

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Supplies various classes of stone and fill materials for prime contractors on Charles County Government stream restoration projects. Delivers Class I, II, and III Riprap, boulders, riffle stability mix, No. 2 aggregate, topsoil, and suitable fill. Materials must meet Charles County Government’s Department of Planning and Growth Management Standards. Delivers specified quantities of stone, soil, and aggregate to the project site.

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More opportunities from Maryland → DPW - Capital Project Management

Same awarding agency

NAICS: 237990
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NPDES Oak Ridge Park East Stream Restoration
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Solicitation 27-009 is a request for sealed bids from the Charles County Government for the NPDES Oak Ridge Park East Stream Restoration project in Hughesville, Maryland. The project is designed to meet Maryland Department of the Environment and National Pollution Discharge Elimination System permit requirements by obtaining impervious area and nutrient reduction credits. The scope of work includes installing a stormwater detention facility, restoring approximately 1,400 linear feet of an eroding unnamed tributary to Gilbert Run using in-stream and bank stabilization structures, and stabilizing 120 linear feet of an eroding outfall channel. The contract will be awarded to the lowest responsive and responsible bidder who has been a legal entity in the field for at least five years. The project requires strict adherence to technical specifications, including a mandatory Critical Path Method schedule and compliance with Maryland State Highway Administration and Charles County construction standards. Key contractual obligations include a five percent bid bond, the use of Maryland prevailing wage rates, and the provision of performance and labor bonds. Upon completion, the contractor must provide a one-year warranty and ensure an 85 percent survivability rate for planted trees and shrubs over three years. Final payment is subject to a five percent retainage, which may be replaced by a maintenance bond, and is contingent upon the submission of as-built drawings and geotechnical inspection reports. Bids must be submitted electronically by October 13, 2026.
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