127EAX26Q0103 QA5.docx

This is a Questions and Answers document for RFQ 127EAX26Q0103 for the I Field Project at the USDA-ARS Northern Great Plains Agricultural Research Laboratory. The Q&A addresses five key contractor inquiries regarding project execution and site conditions.

The document clarifies critical project parameters: the completion date of February 28, 2027 is weather-dependent and may be adjusted if lead times from Mor Gran Sou and Missouri West Water are affected; trenching depth must be 7-8 feet (not the contractor's standard 6.5 feet); no known underground utilities have been identified, but the contractor is responsible for completing locates; rock-free excavated soil may be approved as bedding for water line backfilling, though additional sand or clay may be needed to return the trench to grade after compaction; and work must commence within 10 days of the Notice to Proceed, with this date negotiable with the awarded contractor. These responses establish baseline expectations for the underground water line installation component of the project, which involves approximately 1,475 feet of 1-inch polyethylene pipe along with associated valves, drainbacks, hardware, one frost-free 8-foot hydrant, and one double-bowl thermosink stock water fountain.