A04_SOW_1.pdf

STATEMENT OF WORK

Basket Slough NWR Fish Passage Restoration

Cackler Marsh Bridge

Rev. 2/27/25

1. GENERAL:

The U.S. Fish and Wildlife Service has a need to demolish and remove an existing steel 48” diameter CMP culvert, water control structure and associated appurtenances that is a fish passage barrier along the Basket Slough stream. The existing water control structure is failing and needs replacement to prevent flooding of the road and maintain a safe route for the public to access the refuge. It will be replaced with a new 60’ long by 18’ wide prefabricated steel vehicle bridge at the Baskett Slough National Wildlife Refuge.

2. SCOPE OF WORK:

2.1 SUMMARY

The WORK to be performed under this Contract shall consist of furnishing planning, ancillary design, facility, tools, equipment, materials, supplies, and manufactured articles, and furnishing all labor, transportation, and services, including fuel, power, water, and essential communications, and performing all work or other operations required for the fulfillment of the Contract in strict accordance with the Contract Documents. The WORK shall be complete, and all work, materials, and services not expressly indicated or called for in the Contract Documents which may be necessary for the complete and proper construction of the WORK in good faith shall be provided by the CONTRACTOR

2.2 WORK COVERED BY CONTRACT DOCUMENTS

The WORK of this contract comprises demolition and removal of an existing steel 48” diameter CMP culvert, water control structure and associated appurtenances, installation of a new 60’ long by 18’ wide prefabricated steel vehicle bridge and abutments, installation of all other components needed for a fully functional bridge system. A composite steel concrete bridge is allowed if it is a benefit to the Service due to cost or delivery scheduling.

Task 1: Design of prefabricated bridge and review of the sheet pile abutment design.

A. The contractor shall verify the abutments will support the new bridge loaded to the maximum capacity.

B. The contractor will notify the USFWS of any deficiencies in code compliance and the determination of Task #1.1

Bid Option Task 2:

A. Excavation and removal of the existing culvert crossing, excavate levee to open stream connection, grade and contour streambed and backfill with native material, as shown on the drawings.

B. Materials from the demolition shall not fall into or be placed in the creek. Removed materials will be properly disposed of/recycled.

C. Daily written construction reports with pictures are required (pdf format) and shall be submitted weekly.

D. If Bid Option 2 is not awarded, it will be performed by the Hatchery staff prior to the commencement of work.

Task 3: Construction of fully functional bridge over Baskett Slough stream. This includes, but is not limited to, road approach, grading, abutments and fabrication and delivery of fully engineered bridge.

A. FURNISHED MATERIAL REQUIREMENTS:

1) The 60-foot bridge will have a live load rating of HS25/U80 loading in accordance with American Association of State Highway and Transportation

Officials Specifications (AASHTO) specification.

2) Provide AISC intermediate bridge fabricator certification

3) Provide shop drawings signed and sealed by professional engineer in the state of

Oregon

4) Workmanship, fabrication, and shop connections shall be in accordance with

AASHTO and USFWS standards.

C. Installers must be manufacturer and welder certified trained/approved.

D. Daily written construction reports with pictures are required (pdf format) and shall be submitted weekly.

3. PLACE, DELIVERY, AND PERIOD OF PERFORMANCE

3.1. All construction related work is located in Dallas, OR, at the Baskett Slough NWR.

3.2. The field work window is 7/15/26 – 10/1/26 with all work being completed by 12/31/26.

The bridge is a long lead item and shall be ordered ahead of time for delivery during the field work window.

4. INSPECTION AND ACCEPTANCE

4.1. The work shall be done in accordance with all applicable federal, state and local codes including the most current edition of the IBC, National Electrical Code (NEC), NFPA 101 Life Safety Code, ADA/ABA, and any other applicable disciplines of the International Code Council, as well as with accepted general industry standards.

4.2. The work shall be accepted when all the work is completed as described here within and in accordance with any contract documents. Work will be inspected to assure compliance with the contract documents, but quality control and adherence to all contract requirements is the responsibility of the contractor.

5. GOVERNMENT FURNISHED EQUIPMENT OR MATERIALS/INFORMATION:

Engineering drawings and specifications.

6. PROJECT LOCATION AND AVAILABILITY

The project is located on the Baskett Slough National Wildlife Refuge

10995 Hwy. 22, Dallas, OR 97338

All work will be completed during normal business hours, Monday through Friday between

7:30 AM and 4:00 PM. Contractor shall coordinate with the Technical Coordinator(s) prior to and during the performance period and will give advanced work schedule.

7. CONTACTS: TBD

Engineering drawings and specifications.