WY BB DAM & diamond CR. Dike facility we

The Department of the Interior Bureau of Reclamation seeks noxious and nuisance weed control through herbicide application at Buffalo Bill Dam and Diamond Creek Dike Facility in Wyoming, with proposals due July 6, 2026. The procurement is a total small business set-aside under NAICS 561730, Landscaping Services, with a $9.5 million size standard.

Place of performance is Park County, Wyoming, covering approximately 290 acres across Buffalo Bill facilities, Diamond Creek Dike areas, South Fork Dike, and associated roadsides. The base contract period runs August 1, 2026, through March 31, 2027, with four optional one-year extensions available through March 31, 2031, and an additional optional six-month extension through September 30, 2031. Work must be performed Monday through Thursday, 7:00 AM to 5:30 PM, with one-week advance coordination required for access to locked gate areas.

The contractor must hold Wyoming licensure and certification to apply general-use and restricted-use herbicides and furnish all labor, equipment, materials, and chemicals. The scope includes treating woody vegetation and broadleaf weeds across multiple locations, roadside spraying along approximately 6.5 miles of roads, and ditch treatment. Critical requirements include GPS/GIS mapping using NAD83 datum and UTM Zone 12 North projection with minimum one-meter accuracy; annual submission of pesticide application records, Safety Data Sheets, and safety plans; and quality standards requiring 100 percent die-off for woody species in bare ground areas and 100 percent plant wilt or discoloration for broadleaf species. A mandatory site visit is scheduled for June 17, 2026, at Buffalo Bill Maintenance Facility in Cody, Wyoming. Evaluation factors are technical capability, past performance, and price, with technical and past performance combined as equal importance but less important than price. Amendment 0001 issued June 3, 2026, corrects the original solicitation.