A.02 SOW Memaloose Island Stabilization_draft.pdf
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- Attached to
- Memaloose Island Stabilization 2024
- Solicitation number
- W9127N24B0008
About this file
This document is a draft Statement of Work (SOW) for the Memaloose Island Stabilization project in Wasco County, Oregon, and a related pre-solicitation for a federal contract opportunity.
The SOW outlines the project to stabilize approximately 7,000 square feet of sand across 6 areas of erosion on Memaloose Island in the Columbia River. The work will involve stacking soil-filled bags wrapped in geogrid, connecting the bags, seeding, and planting plugs. All work must be done manually, without any equipment on the island. Materials may be mobilized by boat or helicopter. The work is scheduled for October or November 2024 to coincide with optimal seeding and planting conditions. A Tribal Monitor will observe all work on the island.
The related pre-solicitation, Solicitation Number W9127N24B0008, is for informational purposes to gauge industry interest and capability in performing this work. The government is seeking responses from large and small businesses, including small disadvantaged, HUBZone, woman-owned, service-disabled veteran-owned, and veteran-owned firms. Responses are due by May 15, 2024. The anticipated contract award is in September 2024, with an estimated construction cost between $250,000 and $500,000.
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Text version
Memaloose Island Stabilization FY24 SOW
Location:
The work site is located in Wasco County, Oregon in the Bonneville Pool on Memaloose Island in the Columbia River, approximately 8 miles east of Hood River, OR.
Background:
Memaloose Island is a location of cultural significance in the Columbia River between Hood River, OR and The Dalles, OR. The Island is a basalt outcrop covered in sand dunes. Memaloose Island is subject to high winds, which erodes exposed sands creating holes generally 1ft-3ft deep. In 2011 soil bags were installed over the areas of erosion and seeding applied over top. This effort was repeated in 2020 for new areas of erosion. The soil bags are performing well at stabilizing the areas. New areas of erosion continue to pop up, necessitating additional stabilization efforts.
Project Description:
This effort includes stabilization of sands for approximately 7,000 sqft across 6 areas of erosion on Memaloose Island. The stabilization will consist of stacking soil filled bags wrapped with a geogrid in the identified areas of erosion, connecting the stacked bags to one another via double edged spikes, spreading specified seed mix on top of the placed bags, and planting specified plugs between and into the placed bags. Initial watering will be required, but ongoing irrigation will not be required. The work will occur in the fall months to coincide with ideal seeding and planting windows and to take advantage of fall rains. No equipment is permitted on Memaloose Island, including irrigation equipment and wheeled equipment such as wheelbarrows. All work must take place with manual labor. Mobilization of materials to Memaloose Island may be done via boat or helicopter. A staging area for helicopter picks will be provided at Memaloose State Park and two designated staging areas will be identified on Memaloose Island. Personnel may access Memaloose Island by boat. No eating, drinking, gum, or tobacco use may take place on Memaloose Island. Bathrooms may not be placed on Memaloose Island.
Any breaks for eating, drinking, or use of a bathroom must take place on the crew boat or at facilities on shore. All work completed on Memaloose Island will be observed by a Tribal Monitor.
File details come from the government source that posted it. Updated .