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Limestone Aggregate Supply & Installation

Active

Federal

Response Deadline11/06/2026, 10:00:00 PM UTC

Contract Overview

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

AI Contract Overview

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This small business set-aside subcontract with the Department of the Interior's OSMRE involves the supply and installation of high-calcium limestone for acid mine drainage neutralization projects. The scope of work requires the construction of a 415-foot aggregate channel and a 150 by 90-foot flushable limestone bed, both utilizing a 3.5-foot thick layer of AASHTO #3 high-calcium limestone. The contractor is responsible for delivering the completed channel and bed and must provide submittals verifying 100% Effective Calcium Carbonate for every shipment delivered. This project falls under NAICS code 238990, with a response deadline set for November 6, 2026.

General Info

OSMRE subcontract for supplying and installing high-calcium limestone for mine drainage neutralization.

Agency

Department Of The Interior → DOI Osmre (co)

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

CO

Set-Aside

SBA

Documents

This scope was carved out of 140S0326R0001.

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

View the prime solicitation

Y--GCI Pollyanna #2 Acid Mine Drainage Remediation Pr

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Timeline

PostedSep 30

subcontract

Response DeadlineNov 6

Submission deadline

Response Deadline

11/06/2026, 10:00:00 PM UTCin 10 days

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Organization & Contact Information

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AgencyDepartment Of The Interior → DOI Osmre (co)

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Interior → DOI Osmre (co)

Office AddressN/A

ContactsNo contact information available

Full Description

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Supplies and installs high-calcium limestone for prime contractors on OSMRE AMD neutralization projects. Constructs a 415-ft aggregate channel and a 150 ft x 90 ft flushable limestone bed (FLB) using a 3.5-ft thick layer of AASHTO #3 high-calcium limestone. Provides submittals for 100% Effective Calcium Carbonate (ECC) with each shipment. Delivers completed limestone channel and bed.

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More opportunities from Department Of The Interior → DOI Osmre (co)

Same awarding agency

Y--GCI Pollyanna #2 Acid Mine Drainage Remediation Pr

Solicitation # 140S0326R0001

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