A06_-_MAP_-_JBH_NWR_Tenasillahe_Island_Rip_RapR1_0001.pdf
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- Attached to
- WA-JULIA B. HANSEN REF-RIP RAP
- Solicitation number
- 140F0422Q0025
About this file
This document outlines a federal solicitation for riprap and stone materials. The U.S. Fish and Wildlife Service requires the delivery of 5,200 tons of Class 700 riprap, 1,000 tons of riprap backing material, and 2,500 tons of 3-inch minus aggregate base course to the Julia B. Hansen National Wildlife Refuge for erosion and scour protection projects on Tenasillahe Island. Materials must be angular to subangular in shape for interlocking stability. Recycled materials and concrete rubble are not permitted. The performance period for initial deliveries is July 1, 2022 through September 30, 2022 with an optional second period of July 1, 2023 through September 30, 2023. A pre-bid site visit will be held on May 16, 2022 at the Elochoman Slough Marina in Cathlamet, Washington to view property access. Interested vendors should respond to solicitation number 140F0422Q0025 by the response deadline.
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Text version
mbehrens Text Box Location B #700 Rip Rap 5,200 tons Backing - 1,000 tons (may be placed on levee) 3" minus Road Base - 2,500 tons mbehrens Text Box Rock for Erosion and Scour Protection shall be hard, sound, and durable material, free from seams, cracks, and other defects that tend to destroy its resistance to weather, and it shall consist of broken and/or processed rock. The use of recycled materials and concrete rubble is not permitted for this application.
The Suitable Shape of these rocks shall be “Angular” (having sharply defined edges) to “Subangular” (having a shape in between Rounded and Angular) for a higher degree of interlocking to provide stability to the protected area. The use of round, thin, flat, or long and needle-like shapes is not allowed mbehrens Callout Overflow storage site for location B. Contractor to verify access.
mbehrens Text Box Material delivery period of performance: 7/01/22 - 9/30/22
Option #1 delivery period of performance: 7/01/23 - 9/30/23
File details come from the government source that posted it. Updated .