B08 Question and Answer Document.pdf

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Data Acquisition Systems and Instrumentation Equipment Master BPA
Solicitation number
W912HZ25Q1689
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This document is a Question and Answer (Q&A) document related to a federal contract opportunity for Data Acquisition Systems and Instrumentation Equipment. The contract opportunity is a Blanket Purchase Agreement (BPA) solicitation issued by the U.S. Army Corps of Engineers (USACE) Engineer Research and Development Center (ERDC) Geotechnical and Structures Laboratory (GSL) to establish multiple BPAs for the purchase of data acquisition systems and instrumentation equipment. The Q&A document provides clarification on specific requirements, such as the Endevco part number and the use of an Ethercat interface. It also addresses the use of a sigma delta ADC and potential issues with overshoots. The solicitation number is W912HZ25Q1689 and the anticipated maximum value is $5,200,000 over a 5-year period. The procurement is a 100% small business set-aside under NAICS code 334519.

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The following questions and answers are provided for informational purposes only:

Question #1: I was hoping that you could clarify the Endevco part # intended by the description below so we are quoting correct requirements to the resellers. USACE hasn’t previously purchased an Endevco 1000g PR accel, so we want to make sure.

Answer #1: The stated equipment is listed within the Master Description of Requirement (DOR) document. A part # for this item will be provided in the DOR for the BPA Call once the Government has a need.

Question #2: Is Ethercat interface a requirement?

Answer #2: No.

Question #3: There is a stated specification in the A.02+DOR that lists using a Sigma Delta ADC. For the applications data acquisitions will be used in, that ADC WILL create up to 20% overshoots randomly for any fast response or step signals. The data will then have errors.

Answer #3: The sigma delta ADC is part of the Dewesoft 8-Channel SIRIUS STG amplifier package. It is a necessary component.

File details come from the government source that posted it. Updated .