C04 Att1 Combined BCI Dataset_USFS R3_2024 Coronado Bat Surveys.xlsx

This is a combined dataset and solicitation document for the Arivaca Abandoned Mine Lands Safety Closures project. The Request for Quotation (RFQ) 127EAV26Q0068, issued by the Department of Agriculture Forest Service, seeks small business contractors to remediate physical safety hazards at 60 abandoned mine features located within the Nogales Ranger District of the Coronado National Forest in Santa Cruz County, Arizona. The acquisition is a Total Small Business Set-Aside with a size standard of 1,000 employees under NAICS code 562910. The attached Excel dataset contains detailed survey information from 2024 Coronado National Forest bat and mine feature assessments, including six surveyed mine features (CN-63, CN-47, CN-49, CN-24, CN-11, and CN-06) documenting physical characteristics such as entrance dimensions, depth measurements, temperature and humidity readings, bat habitat quality, wildlife observations, and closure recommendations.

The quotation due date is 27 July 2026 at 0900 AM Pacific Time, with a mandatory site visit scheduled for 16 July 2026 at 0900 AM Arizona Time at the Arivaca Mercantile (17180 W. Arivaca Rd, Arivaca, AZ 85601). Prospective bidders must RSVP by 14 July 2026 at 1200 PM PST to maestrellita.dasmarinas@usda.gov and abigail.watson@usda.gov, and submit questions by 17 July 2026 at 5:00 PM Pacific Time. All correspondence should include the solicitation name and number in the subject line. The survey data indicates varied mine types (shafts, adits, prospects, and inclines) with recommendations ranging from leaving features as-is to implementing closures such as DCAT (Double Cage Access Trap) systems, providing baseline information for contractors to develop safety closure solutions.