Notice of Intent to Sole Source - Humboldt Mfg

Closed Special Notice Posted

Solicitation number
99670
Agency
Responses due
Set-aside
No set-aside

Opportunity facts

Place of performance
Atlanta, Georgia 30341, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The Centers for Disease Control and Prevention (CDC) Office of Acquisition Services issued a notice of intent to sole-source a Round Panel Determinate (RDP) test machine to Humboldt Manufacturing, with comments due by August 25, 2026. The RDP test machine evaluates fiber-reinforced shotcrete behavior using an established, industry-recognized ASTM standard method. CDC's Safety and Mining Research Division (SMRD) requires this capability to provide a standardized reference point for shotcrete mixtures tested concurrently on NIOSH's High Energy High Deformation machine and the MTS Mark II impact drop test machine. The RDP machine enables SMRD to correlate experimental results from these specialized machines back to a test method that mine operators, shotcrete suppliers, engineers, and ground control practitioners can readily understand and apply, making results comparable against commonly accepted shotcrete performance metrics. Without RDP testing, findings from the HEHD and MTS Mark II machines would be difficult for industry stakeholders to interpret or benchmark against accepted standards. The procurement is classified under NAICS 334519 (Other Measuring and Controlling Device Manufacturing) and PSC 6635 (Physical Properties Testing and Inspection).

Notice text

The Round Panel Determinate (RDP) test machine is needed because the RDP test is an established and industry-recognized method for evaluating the behavior of fiber-reinforced shotcrete. This capability will provide a standardized reference point for the shotcrete mixtures used in the in current research. The same shotcrete mix designs can then be tested using the RDP machine, NIOSH’s High Energy High Deformation (HEHD) machine, and the MTS Mark II impact drop test machine. This machine is critical because the HEHD and MTS Mark II machines provide unique and valuable research insight, but their test methods are not directly tied to a standard ASTM shotcrete test. Without RDP testing, results from these specialized machines may be difficult for industry stakeholders to interpret or compare against commonly accepted shotcrete performance metrics. The RDP machine will allow SMRD to correlate experimental HEHD and MTS Mark II results back to a test method that mine operators, shotcrete suppliers, engineers, and ground control practitioners can readily understand and apply.

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Opportunity Agency Set-aside Responses due
NOTICE of Intent to SOLE SOURCE - DS Government Solutions Atlanta, Georgia 30341, United States · NAICS 541380 CDC Office of Acquisition Services No set-aside

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