A04_Scope_of_Work.pdf
PDF 339 KB Posted
- Attached to
- SD WAUBAY NWR WBY FY26 O'FARRELL FENCE
- Solicitation number
- 140FGA26Q0040
About this file
This is a Scope of Work (SOW) for the removal of existing fence and installation of approximately 15,300 feet of wildlife-friendly 4-strand barbed wire steel fence at the O'Farrell Waterfowl Production Area in Grant County, South Dakota (120N-51-5, 6). The project is managed by the U.S. Fish and Wildlife Service with Greg Stoebner as the project manager (605-880-3798, greg_stoebner@fws.gov).
The contractor must remove all existing fence (steel posts with 3-4 strands of barbed wire, excluding wood braces) and install new fence to specifications that protect livestock while allowing safe wildlife passage for species such as deer and pronghorn. The new fence requires 12.5 gauge double-strand galvanized barbed wire (top three strands) and smooth wire (bottom) at heights of 16-18 inches (bottom), 24 inches (second), 30-32 inches (third), and 42 inches maximum (top). Line posts must be steel T-posts or 2 3/8-inch diameter steel tube posts spaced 12-16 feet apart, with 2 3/8-inch tube posts at least every third position, all driven to a minimum depth of 3.5 feet. Corner posts must be 12 feet long with 5-inch diameter steel tube or octagon steel at 6.5-foot depth. Steel braces (Queen, King, and Angle brace posts) are required at all corners, gates, and at 1,300-foot intervals. All steel posts require anchor plates and studs; all steel tube fencing must have caps to prevent bird injury. Gates of 16-20 feet will be installed at specified locations with WPA signs provided by FWS. The contractor must also install one parking area for public and livestock access, remove and dispose of old fence materials offsite, and provide an as-built map showing final fence alignment and gate locations. The project timeline requires work to commence no earlier than September 1, 2026, with completion no later than September 30, 2027. Work includes site preparation, post installation, wire installation, gate installation, inspection and adjustment, and cleanup, with compliance to OSHA regulations, environmental protections (avoiding wetland disturbance), and maintenance of erosion control measures.
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Other files
| File | Type | Posted |
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| Notice_to_Offerors.pdf | ||
| DOL_Wage_Determination_.pdf | ||
| Price_Schedule.pdf | ||
| Sol_140FGA26Q0040.pdf |
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Text version
Scope of Work (SOW): Installation of Wildlife-Friendly 4-Strand Barbed Wire Fence Installation And The Removal Of The Existing Fence.
Project Title
Wildlife-Friendly 4-Strand Barbed Wire Fence Installation and the removal of the existing fence
Location
120N-51-5, 6.
Grant County, SD
O’Farrell Waterfowl Production Area
Project Summary
The purpose of this project is to remove old fence and install approximately 15,300 feet of wildlife-friendly 4-strand barbed wire steel fence to protect [livestock/crops/property boundary] while minimizing impacts on local wildlife. Steel t post and or “well pipe/ steel tube fencing” and or octagon bracing will be used to facilitate a long term, maintenance free fence for future prescribed burning operations. One parking area will be installed and all gates will be signed with US Fish and Wildlife Service Waterfowl Production Area (WPA) signs and post. The fence will be constructed to standard wire spacing specifications that allow for safe passage of species such as deer and pronghorn while maintaining livestock control. The existing fence will be removed and replaced with new fence. The existing fence consists of all steel posts and 3 or 4 strands of barbed wire, except for the wood H- Braces and Corner Braces. The disposal of the current dilapidated fence will occur offsite and will be the responsibility of the contractor.
Objectives
- Remove all existing fence in the project area where the new fence will be installed
- Install a secure, durable 4-strand barbed wire fence.
- Incorporate wildlife-friendly design specifications.
Install one parking area for public and livestock unloading access.
Sign all gates with WPA signs (provided by FWS)
- Minimize ground disturbance and habitat fragmentation.
- Ensure compliance with applicable local/state regulations and conservation practices.
-Fence will be replaced and installed in prior location, if wetland conditions do not allow this at time of construction, fence will be built around the outer edge of wetland. Tube/pipe post will be used in all wet areas.
Fence Specifications
1. Fence Height and Wire Placement
- Total fence height: 42 inches maximum.
- Wire placement (from ground up):
• Bottom wire (smooth): 16–18 inches
• Second wire: 24 inches
• Third wire: 30-32 inches
• Top wire: 42 inches maximum
- Wire type: 12.5 gauge double strand galvanized barbed wire (top 3), smooth wire (bottom)
2. Posts
- Line Post Steel tube-
Diameter - 2 3/8” Minimum
Length- 8’ Minimum
Depth – 3.5’ Minimum
-Steel Braces
Queen Vertical post- Diameter - 5” Minimum, Length 6’ Minimum
King Vertical Post – Diameter – 5” minimum, Length 10’ Minimum
Angle Brace Post- Diameter- 5’’ minimum, Length 8’ Minimum
Depth 5-6’ minimum on brace and or corner. See Reference photos.
- T Post Steel
Length- 6’ Minimum
Depth – 2’ Minimum
All Steel posts will have an anchor plate and studded
Line posts: Steel T-posts and 2 3/8’’ tube post, 12–16 ft apart
- the line posts will consist of a 2 3/8’’ Steel tube post at least every 3rd post
- Corner posts: 12’ length, 5’’ steel tube or octagon steel Diameter. Depth 6.5’
- Braces are required at all corners and gates
- Installation of steel braces at 1300’ intervals or closer (as topography dictates)
-Inline Steel Angle Brace- consists of 2 queen, 1 King and 2 angle brace posts (see photo)
3. Gates
- 16–20 ft gates at specified locations with
- Optional wildlife-friendly gate design
4. Wildlife Accommodations
- Bottom smooth wire
- Top wire ≤ 42"
- Avoid known corridors
5. Materials
- 12.5 gauge double strand galvanized barbed and smooth wire
- Steel T-posts
`octagon/ steel tube pipe; line and or corner post in minim size and length.
Work Phases
1. Site Preparation
2. Post Installation
3. Wire Installation
4. Gate Installation
5. Inspection & Adjustment
6. Cleanup
Construction Timeline
Project Start Date: No Earlier than September 1st 2026
Completed Fencing Project: No later than September 30th 2027
Deliverables
- Completed fence meeting all above specifications including gate replacement and installation (planned 8-9 wire/wood gates).
Install parking area and signage as indicated on attached map (approximate locations) Each gate will have WPA sign installed.
- Final walk-through with project manager/landowner
- As-built map or diagram showing fence alignment and gate locations
Health & Safety
- Compliance with OSHA and local regulations
- Use of proper PPE at all times on site
Environmental Considerations
- Avoid disturbance to wetlands or protected areas
- Limit machinery to designated paths, if present.
- Maintain erosion control as needed all steel tube type fencing will have caps placed on top to prevent bird injury or entrance to steel pipe tubing.
Contact Information
Project Manager: Greg Stoebner
Phone: 605-880-3798
Email: greg_stoebner@fws.gov (Preferred) mailto:greg_stoebner@fws.gov
Example of 2 3/8’ tube pipe for bard wire
Example octagon King and Queen Brace on either side of gate. Above
King and Queen Brace above example 5’’ octagon steel inline Angle brace
File details come from the government source that posted it. Updated .