ATT_2_-_SOW__Sediment_Removal__FINAL.pdf

STATEMENT OF WORK

Sediment Removal

Makah National Fish Hatchery (NFH) March 30, 2022

1.0. GENERAL.

1.1. The U.S. Fish and Wildlife Service, Makah National Fish Hatchery, has the programmatic requirement to remove about 100 to 130 cubic yards of river sediment at the Pump House.

1. Field Office Location: Makah National Fish Hatchery, 897 Hatchery Road, Neah Bay, Washington 98357 (Adjacent to the Tsoo-Yess River, approximately 8 miles south of Neah Bay) in Clallam County, within the Makah Indian Reservation.

2. Physical Project Work Site: As Indicated Above.

3. Comply with Davis Bacon Wage Determination for: Heavy Construction – Clallam County Washington.

4. MECRA: For inquires contact the MECRA Compliance Coordinator, 360-645-3101 / 3114. Comply with the 2004 Makah Employment and Contracting Rights Act of 2004; of which Section 5.1-Fees reads (in part):

a. For Contracts of $100,000.00 or more, Contractor shall pay a one-time fee of two percent (2%) of the total amount of the contract, plus a fee of 2% of any increase in the contract amount.

b. For Contracts under $100,000.00 the fee assessed will be (1%) of the total contract plus a fee of 1% of any increase in the contract amount.

c. Contracts under $10,000.00 the fee assessed will be $50.00 with the exception of Enrolled Makah Tribal Members.

d. Contracts under $500.00 the fee assessed will be $5.00 with the exception of Enrolled Makah Tribal Members.

2.0. SCOPE.

A. Objective:

Sediment: Remove River Sediment at the Pump House to allow for efficient pumping of Fish Production Water.

B. Scope: The work descriptions are non-specific. Contractors are encouraged to visit the

Work Site prior to submitting a price.

TASK 1 – Sediment Removal Mobilize, remove, dewater, and dispose of River Sediment.

Remove about 100 to 130 cubic yards of river sediment at the Pump House.

C. Tentative Performance Period: 60 calendar days

June 01, 2022 to July 31, 2022 (Work Window).

End Date: August 15, 2022 (Project Closeout).

A Notice to Proceed will be submitted to the Contractor once the required Payment Bond and proof of insurance is received. The U.S. Fish and Wildlife Service has previously secured a Section 401 Water Quality Permit.

When the NTP is submitted will depend on what degree COVID-19 is impacting or restricting On-Site Work Activities.

1. Schedule: To minimize the risk of complication with the hatchery water supply, impact to Hatchery Employee time, and risk of introducing turbidity into the river.

The following schedule is mandatory unless explicitly approved otherwise by the Hatchery Manager:

A. Once On-site Work Starts, Work shall be 100% Complete (Including Set

Up, Actual Work, and Demobilization) within 14 consecutive working days. Weekends and Federal Holidays Excluded. A Maximum of 10 Days would be Preferred.

B. An experienced crew with minimal or no equipment failures could typically set up on Wednesday-Thursday-Friday, Remove Sediment the following Monday through Thursday, and demobilize on Friday.

C. If necessary, the following Work Week (Monday through Friday) is allowed.

3.0. DELIVERABLES.

A. Schedule the Work at least 14 Business Days in advance with the Hatchery Manager.

B. Perform the Work in accordance with the Contract Documents. The Contract Documents include but are not limited to:

Statement of Work, Drawings Titled “Sediment Removal 2022” Dated 3/9/2022 (Drawing Number 1F-WA- 882-249-Pages 1 through 3), Occupational Safety and Health Administration (OSHA) and Technical Requirements, Environmental Permitting Entities, Pre-Work Safety Checklist, Safety and Design Checklist, And Codes and Regulations.

C. Supply All Labor, Equipment, Materials, and Supplies Necessary to perform the Work and to result in 100% Complete Installations / Systems (For Each Trade Work Awarded) whether indicated or not.

D. Remove, Dewater, and Dispose of River Sediment and relatively small woody debris.

Approximate material quantity to be removed is between 100 and 130 cubic yards In- Place Bank-Volume prior to Removal. Sediment quantity will not be measured for payment.

E. Perform the Work in a manner, which ensures the Water in the Work Zone has minimal sediment and minimizes risk of Petroleum Products entering the Hatchery Intake Water.

F. Submittals:

1. Sediment Removal Plan (if the Contractor’s Method differs from what is stated in this Statement of Work).

2. Confined Space Entry Plan.

3. Lock-Out Tag-Out Plan.

4. Certification indicating All Equipment was thoroughly cleaned immediately prior to moving on to site. This is to avoid introducing Non-Native Plant or Aquatic Species.

5. Diver Certifications and Dive Plan (if the work entails Underwater Diving).

6. Weed Free Certification (prior to delivery for any Hay / Straw Bales).

7. Progress Schedule.

G. Typical Sediment Removal Method.

1. At the Time of Offer, vendors may submit other Detailed Proposed Methods to

Handle the Sediment.

2. If at the time of Contract Award, an alternate sediment handling method has not been approved then the following sediment handling method shall be used.

3. Principal Contractor-Furnished Materials / Equipment:

1. Rent or lease (1) 6-inch land-based trash pump, flexible piping / hose, and required adapters. Trash pump to be coupled in series with float-based 4-inch trash pump.

2. Rent or lease (1) 4-inch trash pump, flexible piping / hose, and required adapters.

3. Supply minimum 4000 PSI Pressure Washer and Adapters with 100 Feet of Hose.

4. 300 Lineal Feet of 30-inch High Silt Fence.

5. (10) Certified-Weed-Free Hay Bales.

6. 5 to 10 Cubic Yard End Dump Truck(s).

7. Scuba Gear and Safety Gear as necessary.

4. Sediment Handling Overview:

a. General: Manage the water in the Sediment Removal Work Zone in a way, which ensures the stationary fish-production hatchery pumps are supplied with natural river water free of the not highly turbid working water.

b. The Contractor is encouraged to develop an effective way to recycle at least a portion of the Work-Water to the Sediment Intake-Hose End without creating a highly turbid cloud of water.

c. Loosen and immediately suction sediment with a 4-inch trash pump with flexible piping / hose and adapters.

d. Separate and stack any Woody Debris on the Work Float. Transport and distribute the Woody Debris at the Sediment Disposal Area.

e. Pump sediment slurry (at about 550 to 700 GPM) from the Pump House Area (via 4-inch and 6-inch trash pumps connected in series) to the Existing Concrete Ecology Block Dewatering Cells.

f. Water from the Dewatering Cells overflows into the northwest corner of the Pollution Control Pond (PCP).

g. Intercept and pump a portion of the cell overflow water to an area uphill of the Sediment Disposal Area / Site using a land-based 4-inch trash pump.

h. At the Concrete Ecology Block Cells, load Dewatered Sediment into end dump truck(s) and haul about 1,200 feet to the Sediment Disposal Site.

i. FWS will monitor and record water turbidity upstream and downstream of the Work.

5. Mandatory Work Prior to Other Sediment Removal Work:

a. Dive Plan: If the Work entails Underwater Diving, submit Project-

Specific Dive Plan, Name of Dive Supervisor, Copies of Diver Certification Cards, Communication Plan, and Matrix of Contingency Actions. Example Contingency Actions include but are not limited to:

Loss of Communications, Hatchery requires Start Pumping to begin Pumping Water to the Fish Production Facilities, Clogged Slurry Suction Hose, and Similar.

b. Confined Space Entry Plan and Lock-Out Tag-Out Plan: Submit Project-Specific Permit-Required Confined Space Entry Plan with Lock-Out Tag-Out Procedures.

c. Provide and deploy Temporary Egress Ladders, and Water Rescue Gear in the Work Zones.

d. Silt Screens: Deploy (2) GFP Floating Silt Screens. (1) in the River and

(1) in northwest corner of the Pollution Control Pond. Exercise care not to damage the screens. The hatchery backhoe with hatchery operator will assist. At the End of the Work, retrieve the Screens.

e. Hay / Straw Bales: Provide (10) Certified Weed Free Hay / Straw Bales and configure the Existing Concrete Ecology Block Sediment-Dewatering Cells to receive slurry and to overflow into the northwest corner of the Pollution Abatement Pond. At the end of the work, distribute the hay / straw.

f. Silt Fence: Provide and trench-in Silt Fence at the Sediment Disposal Site: 300 Lineal Feet of 2-Feet, 6-Inches High, 2-Feet Exposed, plus 6-inches buried with Wood Stakes 6 feet on-center. Locate on the downhill portion of the Sediment Disposal Site. FWS will remove the fence after the sediment is vegetated and erosion-resistant.

j. Overflow Water: Provide and Set-Up a Contractor leased / owned 4-inch trash pump with flexible piping / hose and pump a portion of the overflow water from the Concrete Ecology Block Cells and return to the Work Zone. Manage the water in a way, which effectively recycles at least a portion of the Work-Water to the Sediment Intake Hose End without creating a highly turbid cloud of water.

6. Temporary Six-Inch Trash Pump: Provide a temporary ~1,200 GPM trailer-mounted land-based (gas or diesel) trash pump with 6-inch diameter hose, and flexible piping / hose, and couplers as necessary. Locate the pump between the Pump House and Dewatering Cells. Operate pump at about half throttle.

7. Lower the Floating Work Platform, the 4-inch trash pump, and flexible piping / hose in the open top area on the Pump House Side of the trash rack. Couple the 4-inch GFP trash pump to the Contractor land-based 6-inch trash pump. At the end of the job, retrieve the work float, pump, and hose.

8. Dam Boards: Deploy GFP Temporary Dam Boards on the River Side of the Trash Rack. As necessary employ scuba divers and remove sediment to install the boards. Typically, after installation, the Hatchery Operator can manipulate the water level within the Work Zone to allow Sediment Removal via the 4-inch suction flexible piping / hose manipulated by workers wearing chest waders. At the end of the job, retrieve the Dam Boards.

9. Pump sediment slurry from the Pump House Area to the Concrete Ecology Block Dewater Cells. When sediment in the Dewatering Cells have adequately Dewatered, the Hatchery Back Hoe and Operator will load the sediment into Contractor-dump trucks for transport of sediment to the Disposal Site located within about 1,200 feet of the Pump House.

10. Remove sediment and woody debris from the under floor area of the Pump House using similar methods with close attention to procedures for Confined Space Entry and Lock-Out Tag-Out.

1. Transport the Woody Debris to the Disposal Site and distribute. Smooth the Disposal Site and Seed with Seed Mix.

H. Comply with the “USFWS TECHNICAL REQUIREMENTS Document,” which contains Contract Specific Requirements. This project is NONEXEMPT meaning the design and construction is subject to USFWS Regional Engineer Approval.

I. Comply with Federal and State OSHA, water quality regulations, and 101 Life Safety Code.

J. Recycling: Sediment Removal does not generate any materials suitable for salvage or recycling. However, disposal of Sediment and Woody Debris is On-site, which minimizes haul and other potential environmental impacts.

5.0. INSPECTION AND ACCEPTANCE.

A. Inspection: The Services / Work Performed under this contract are subject to observation and review by the USFWS and other authorities including but not limited to: OSHA, Federal Environmental Protection Agency and Makah Tribe.

6.0. GOVERNMENT FURNISHED MATERIALS / INFORMATION.

A. 4-inch trash pump, and 4-inch soft hose, two 4x6 cam lock reducers, Floating Work Platform, Floating Silt Screens, Dam Boards, Existing Concrete Ecology Block Dewatering Cells, Seed Mix, Hatchery Rubber Tired Back Hoe / Loader with Hatchery Operator, and water quality turbidity monitoring.

B. On site camping and/or housing is not allowed.

C. On-site Restrooms, Electricity, and Water may be used at no cost for the Work to be performed.

D. Sediment: Sediment is a mix of extremely fine-grained moisture-sensitive river silt-clay river sediment mixed with occasional rocks and small-to-medium size Woody Debris. Laboratory tests performed on Sediment Samples indicate the sediment does not contain regulated qualities of regulated substances.

E. Hatchery fish-rearing operations are critically dependent on a reliable river-water intake pumping system, which operates continuously 24-7-365.

1. Hatchery operations have Precedence over the Contract Work.

2. Hatchery Employees and Contractor shall cooperate to efficiently and safely accomplish the Work with minimal impact to Hatchery Operations.

3. Work shall be scheduled in advance to accommodate key Hatchery Employee

Schedules.

F. The USFWS Bobcat Telehandler (with Fork Lift attachments) with USFWS operator is available at no cost to assist in Tasks. For example, loading dewatered-sediment into Contractor dump truck(s), deploying and retrieving floating silt fences, dam boards, work floats, and 4-inch trash pump. However, any Contractor assistance provided by Hatchery Employees shall be scheduled and coordinated in advance with the Technical Point of Contact (COR and Hatchery Manager) to ensure Key Hatchery Employees are available to assist the Contractor in the Contractor’s Work.

G. Temporary dam boards for use at the trash rack.

H. Temporary floating silt screens for use at river and Pollution Abatement Pond.

I. Work Float(s). Historically no other Work Floats are/were necessary.

J. (1) 4-inch gasoline-powered trash pump with 4-inch cam-lock hose for use in sucking up sediment. Typically, the pump is set on the Work Float and operates at about 550 to 750 GPM when the discharge end is coupled in series with a Contractor-furnished temporary 6-inch 1,200-GPM (more or less) land-based gas or diesel trash pump operated at about half throttle.

K. Plant Seed Mix for Seeding Sediment Disposal Area.

L. Environmental Permits: USFWS is responsible for any environmental permits.

For Environmental purposes, intake-sediment removal is a maintenance activity.

M. Water Quality Testing: The Hatchery Employees will perform water quality tests

(turbidity) of the discharge water exiting the Pollution Abatement Pond / Discharge End of the Serpentine Channel.

N. Underwater Diving, Confined-Space, and Lock-Out Tag-Out:

1. Work entails Removal of River Sediment (and relatively small rocks and woody debris) in the vicinity of fish-production water-intake pumps. Certain pumps will be selectively shut down by the USFWS Hatchery Operator during periods of Actual Sediment Removal for safety and to help manage the water depth within the Work Zone. Please note, remaining pumps could be left in the “On” position near the Work Area.

2. During Sediment Removal, the river is typically less than 12 Feet in Depth.

Installation and/or removal of temporary dam boards at the trash rack (and/or other work) might entail relatively shallow underwater river diving.

3. Hazards include but are not limited to the potential for: person dragged into a pump, flooding when working in confined spaces below river level, lack of oxygen, poisonous gas from decomposition of organic debris, voids within the accumulated sediment / debris, and limited egress.

4. Work entails Permit-Required Confined Space Entry and Lock-Out-Tag-Work Methods.

5. Workers shall be qualified and physically able to Safely Work in (and to remove incapacitated persons from) Confined Spaces. Provide All Equipment, Methods, and Qualified Workers to Safely perform the Work.

O. Land Ownership: The Work is located on Makah Indian Tribal Land leased by the USFWS. There are no known Land Ownership Encumbrances.

P. Utilities: There are no underground utilities in the sediment removal or disposal areas.

However, there are underground water and fuel pipes, drain pipes, power, and controls wiring under the Staging Area and Sediment Haul Route.

7.0. AVAILABILITY.

A. A Pre-Offer Bid Meeting / Site Visit is scheduled for April 12 at 10:00 AM. Alternate days and times for a Site Visit maybe coordinated in advance with the Hatchery Manager.

B. The Site is accessible from existing roads. Certain roads could have Gravel or Soil

Surfacing. Work shall be accomplished Monday through Friday Except No Work on Federal Holidays. Site hours are between 7:30 am and 4:00 pm unless approved otherwise by the USFWS Hatchery Manager.

C. Coordinate with On-site Manager for Hatchery Entry.

8.0. MEASURMENT AND PAYMENT.

A. Measurement: No measurement of the actual quantity of sediment removed is to be performed. Work is Lump Sum to Remove, Dewater and Dispose of the Sediment down to the Bare Concrete and/or Riprap at the Pump House and within 10 feet on the River- Side of the Intake Trash Rack.

B. Payment:

1. Because of the relatively short duration of this project, a single payment will be submitted after All Work is Complete and the Contractor has De-mobilized from the Project Site.

2. Invoices shall be submitted to the USFWS Contracting Officer’s Representative prior to Close of Business September 10 or after October 20 to avoid the typical Seasonal Federal Payment Blackout Period.

3. After USFWS Approval of the Invoice, the Contractor shall electronically upload the Approved Invoice into IPP (Invoice Processing Platform) and input the numbers.

9.0. TECHNICAL COORDINATORS.

A. USFWS Makah NFH: Kristin Bates, Hatchery Manager, Makah National Fish Hatchery, 897 Hatchery Road, Neah Bay, WA 98357.

B. USFWS COR Point-of-Contact: Zachary Spruell USFWS, 911 NE 11th Avenue, Portland, OR 97232-4181, 503-231-2396, zach_spruell@fws.gov mailto:zach_spruell@fws.gov