A04_-_SaltCedar2023ScopeOfWork_1.pdf
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- Attached to
- Sources Sought, Salt Cedar Removal - Cherokee, OK Federal contract opportunity
- Solicitation number
- 140F0S23Q0047
About this file
This document outlines the scope of work for a salt cedar removal project at Salt Plains National Wildlife Refuge in Oklahoma. The project calls for the extraction of all salt cedar trees and root crowns within a 517-acre area along the west branch of the Salt Fork of the Arkansas River by June 2024. Access to the site will be from State Highway 11 across the refuge. Trees are to be stacked for burning in linear piles or large piles with minimal soil, and burning will be conducted by refuge staff. Disturbance of soils by equipment is expected but deep disturbances or holes must be backfilled. The related federal contract opportunity is solicitation number 140F0S23Q0047 seeking sources for salt cedar removal services in Cherokee, Oklahoma issued by the Department of the Interior Fish and Wildlife Service.
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Text version
Introduction
Scope of Work
Salt Plains NWR
Salt Cedar Mechanical Removal: Salt Flats
Salt Plains NWR has the need for salt cedar (Tamarisk spp.) removal within Priority Area 2 on the saline flat also known as salt flats (see attached project map). This project area is along the west branch of the Salt Fork of Arkansas River south of State Highway 11. The salt cedar has previously been chemically treated 3 years prior. The project calls for the extraction of all trees
(primarily salt cedar) alive and dead within the designated area. All work will be performed from the time the contract is issued to June 2024.
Site Description
The project area is on Salt Plains National Wildlife Refuge near
Cherokee, Oklahoma (see area map). Project area location lies south of State Highway 11 and is mostly saline flats along the west branch of the Salt Fork of the Arkansas River and consists of braided riverine habitat and small isolated saline flats. Access will be from State Highway 11 across the refuge. Location lies along the west branch of the Salt Fork of Arkansas River. This area is in the floodplain of the Salt Fork of the Arkansas River and can be inundated during periods of heavy rainfall.
Treatment Needs for Salt Cedar Removal
The treatment need for salt cedar removal is to extract all trees (primarily salt cedar) above ground biomass and associated root crowns at minimum 6" below ground level. The extracted trees will be stacked for burning in either a continuous linear or large piles and with minimal soil within the piles.
Burning of piles will be conducted by refuge staff and is not part of this contract. Disturbance of soils by equipment is expected, but deep disturbances or holes will be backfilled. Most tracks and small divots are acceptable.
The polygon area is approximately 517 acres with <50% tree coverage (see attached map).
Area is prone to flooding and access is weather dependent. Optimal months are normally July through September, and January through March.
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