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Title: Lake Berryessa East Side Road Fence Repairs

Solicitation No.: 140R2026Q0079

Amendment No. 0001

Question 1: Can the Government provide an estimated quantity of line posts and barbed wire anticipated for replacement within the 36,960 LF fence system? That can be a major swing in material cost.

Answer 1: Please see the attached revised Statement of Work.

Lake Berryessa East Side Road Fence Repairs

Lake Berryessa Field Office – California

Statement of Work

1.0 Introduction

The Lake Berryessa Field Office has successfully applied for BIL-BAR 5-10 year Post Fire Recovery Funding in FY 25 and would like to use this funding to complete repairs of fence lines damaged in the 2020 fires. The fencing will aid in the definition of grazing plots and the recovery of riparian areas by implementing recommendations from a July 2008 Lake Berryessa East Side Grazing Management Plan.

2.0 Background

The Bureau of Reclamation created the reservoir of Lake Berryessa in the 1950’s as part of the Solano Project, authorized by the Reclamation Project Act of 1939 (53 Stat. 1187). Solano Irrigation District operates the Solano Project under an agreement with Reclamation, although the reservoir and surrounding land are federal lands managed by Reclamation. At capacity, Lake Berryessa stores 1.6 million acre-feet (af) of water and is one of the largest bodies of fresh water in California. The lake is 23 miles long by 3 miles wide and has 165 miles of shoreline.

In August of 2020, a series of spot fires ignited and converged to form the LNU Lightning Complex Fire which burned the northern-most, 400 acres of the former Lake Berryessa Wildlife Area as well as 60% of the Solano Project Lands around Lake Berryessa. The recovery resulted in several time-consuming employee and public safety projects. This workload, when combined with a sharp decline in field office staff post-pandemic and post-fire, meant that a project to address the rise in invasive plants, including black mustard, along the eastern shore of Lake Berryessa could not be addressed until now.

3.0 Scope

Contractor will maintain 13 vehicular access points by re-hanging gates and re-stringing wire where needed. They will repair one pedestrian chicane. They will also replace failing or burned posts, corners (40) and braces (20) with fire-resistant materials. Contractor will correct gaps in approximately 20 existing stream-crossings.

The contractor will repair and replace all remaining wood posts in seven miles of 5-strand barbed wire fence forming the northeastern boundary of the management parcels.

The contractor will install signage every quarter mile noting the U.S. Government property line. Every gate will feature a sign reminding guests of prohibited activities.

All work and materials will be covered by a 1 year warranty.

4.0 Applicable Documents

- Paddock Map

- 382A – Fence (standard wire), Conservation Practice Joh Sheet, NRCS

382ajs.doc (live.com)

- Accessible Gates Chicanes, USFS, G:\REV-STD-Standard Trail Plan

Drawings\pdfsetup\STD_942-50-01_Accessible_Chicanes Model (1) (usda.gov)

5.0 Tasks

5.1 Using NRCS standards, or better, Contractor shall maintain existing 5-strand, barbed-wire fencing with fire resistant materials. It is estimated that the vendor will need to supply approximately 1850 posts and 185,000 feet of wire. NRCS standards include:

Steel Posts: Steele line posts shall be the “T”, “U”, or “Y” type with a welded or riveted anchor plate near the bottom (minimum 18 inches square area) and have suitable corrugations, knobs, studs or grooves for fastening the wire. Line posts shall weigh at least 1.33 pounds per linear foot of length and shall be a minimum of 5.5 feet long.

Steel Pipe Posts: Steel pipe corner, gate, or brace posts shall be a minimum diameter of 2 inches, Schedule 40 (3.375-inch O.D.) and at least 7 feet long. Bracing shall be a minimum of 1-1/2 inch nominal diameter, Schedule 40 pipe. Brace fittings and clamps shall be galvanized.

Barbed Wire: Barbed wire shall be a single steel wire of 9-guage or heavier, two wrapped strands of 12.5-guage or heavier wire or 12.5-guage or heavier hi-tensile wire.

Wire shall have a minimum tensile strength of 45,000 psi.

Stays: Wire stays shall be 9.5-guage or heavier, zinc coated, twisted wire. The length shall be at least two inches longer than the distance between the top and the bottom strands of the fence.

Post Depth: Line steel posts shall be set a minimum depth of 1.5 feet. Gate, corner, and brace posts shall be set to a minimum depth of 3 feet, unless otherwise specified. Steel pipe and angle section posts shall be embedded in a 12-inch circular or square concrete pier, except when set in firm rock.

Post Spacing: The maximum post spacing interval shall be 20 feet.

Line Bracing: Line brace assemblies shall be located at all corners, gates, and abrupt changes in vertical topography (generally considered 15 degrees). On straight reaches of fencing line braces shall be installed at a spacing of no more than 1300 feet.

Wire Spacing: When measured from the groundline, a 5-strand fence will locate wires at 5 inches, 12 inches, 20 inches, 30 inches, and between 42-45 inches.

Wire Fasteners: Fasteners on steel posts shall be snug enough to prevent vertical movement of the wire on the post.

https://view.officeapps.live.com/op/view.aspx?src=https%3A%2F%2Fefotg.sc.egov.usda.gov%2Freferences%2FDelete%2F2005-12-3%2F382ajs.doc&wdOrigin=BROWSELINK https://www.fs.usda.gov/recreation/programs/trail-management/documents/plans/trail_pdfs/STD_942-50-01_Accessible_Chicanes.pdf https://www.fs.usda.gov/recreation/programs/trail-management/documents/plans/trail_pdfs/STD_942-50-01_Accessible_Chicanes.pdf https://www.fs.usda.gov/recreation/programs/trail-management/documents/plans/trail_pdfs/STD_942-50-01_Accessible_Chicanes.pdf

Drainageways: In crossing drainageways or depressions, a weight or deadman anchor shall be fastened to the fence to maintain the required spacing interval or additional wires shall be added to maintain the required minimum wire height from the ground.

5.2 Using the same NRCS standards above, the contractor will operate 3,400 feet of Let-Down Fence below the reservoir’s 440’ above sea level. Contractor will lower fencing in high water years to reduce the risk of it entangling boaters and anglers.

Contractor will ensure the fencing is taken down in the late fall or winter before the reservoir reaches 440 feet above sea level. Contractor will restore fencing in the late spring or summer when water levels recede. Contractor will set the schedule in coordination with the project’s COR.

5.3 As wood corner, gate, or brace pipes burn or rot in the existing fence line, contractor shall replace with steel pipes meeting the NRCS standards specified above.

5.4 Contractor shall repair 13 vehicular access gates so that all gates swing freely and there are no gaps in in the adjacent fencing.

5.5 Contractor shall repair a pedestrian access point with an accessible “U” chicanes using non-combustible materials adjacent to gate E1.

6.0 Environmental Protection Requirements

This contract will need to enact conservation measures to protect the California red-legged frog (FRLF). Temporary ground disturbance could crush or injure individuals if CRLF occupies upland refugia or moist areas along fencelines. Increased worker presence and equipment movement could temporarily displace frogs from movement corridors. Installing or repairing fence lines presents potential for direct effects to CRLF may include injury or death by being struck by equipment or entombed in burrows from soil disturbance. Most fenceline work would occur in upland areas less frequently used by CRLF except during wet season dispersal. Project implementation would occur during dry season conditions to reduce the likelihood that CRLF will be present in the Project area.

6.1 Worker Environmental Awareness Training (WEAT)

Worker Environmental Awareness Training: Prior to the commencement of Project work, all Project personnel will attend an environmental awareness training. It will include;

species descriptions and habitat needs, species status and protection under the

Endangered Species Act, definition of take, reporting requirements, conservation measures to reduce project impacts, and instructions for encountering California Red-legged Frog (CRLF) and Keck’s checker-mallow in areas where take could occur.

Employees will sign a form stating that they received and understand the training.

Reclamation will maintain a list of personnel receiving the training.

6.2 Pre-Construction Biological Surveys

Prior to any ground disturbing activities, pre-construction biological surveys will be conducted in the action area for CRLF and Keck’s checker-mallow. Surveys will be conducted by a qualified biologist within 14 days prior to commencement of the work.

6.3 Wildlife Protection During Work

To reduce the potential for Project vehicles striking CRLF, a 10-mile-per-hour speed limit will be enforced at the site.

No work will occur during or 24-hours following a rain event. A rain event is to be considered precipitation of ¼-inch or more within a 24-hour period.

All Project personnel will be informed of the Action Area boundaries for Project activities.

If necessary, flagging and/or staking may be used to define the Project area limits.

6.4 Vehicle and Equipment Decontamination

To prevent spread of invasive species, disease, or contaminants:

All equipment and vehicles shall be fully decontaminated prior to arriving on site.

Decontamination steps must be approved by Reclamation personnel.

7.0 Government Furnished Equipment

The Government will supply a copy of a padlock key so that the contractor may access the paddocks along East Side Road and Eticuera Day Use Area during the duration of the contract.

The Contractor will purchase the supplies needed to complete the work.

Contractor will supply all tools and transportation needed to complete the work.

8.0 Period of Performance

Period of Performance is 90 days from issuance of notice to proceed. All work is to be performed during the work week Monday through Friday exclusive of holidays.

9.0 Place of Performance

Contract is scheduled to occur at:

Lake Berryessa Field Office 5520 Berryessa Knoxville Road Napa, CA 94558

The contractor may stage equipment and supplies on the hardened surfaces of:

Eticuera Day Use Area 8600 Berryessa Knoxville Road Napa, CA 94558

The work will take place along six miles of East Side Road from its intersection with Berryessa Knoxville Road just north of Eticuera Day Use Area extending south to the southern extent of the 2020 LNU Lightning Complex Fire Burn Scar (38.632185835028, -122.23397247869522).