This is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Part 12. This announcement constitutes the only solicitation. Quotations are being requested and a separate written solicitation will not be issued. Solicitation number 1232SA26Q0880 is issued as a Request for Quotation (RFQ) for Southwest Watershed Research Center (SWRC) Solar Phase 1 at Tucson, AZ. This acquisition is set-aside for small business concerns. The applicable North American Industry Classification Standard Code is 237130 - Power and Communication Line and Related Structures Construction. The small business size standard is $45M This acquisition is a Total Small Business Set-Aside. All responsible sources may submit a quotation which will be considered by the agency.