56--CA - Humboldt Bay NWR - Gravel

CA-Humboldt Bay NWR - Gravel 1.5" minus road base gravel w/ fines 3/8" minus trail gravel w/ fines Materials will consist of virgin quarried aggregate (e.g., base rock), newly mined and sourced from local (sourced within approx. 100 miles) geological deposits. Recycled and/or washed river rock will not be accepted. See SOW in attached packet. Submit a copy of latest gradation analysis and test data for the materials to be supplied that meets the standards set in the SOW before delivery. Submit a statement acknowledging locally sourced material to be supplied for this requirement. Send packets and questions to Robert_Sung@ios.doi.gov with 140F0S26Q0049 in the subject line.