LINE_2_SOW_Clearwater_Fish_Hatchery_Fish_tank.docx

LINE 00002

STATEMENT OF WORK

Fish Distribution Tank

CLEARWATER FISH HATCHERY

118 Hatchery Roe Drive

AHSAHKA ID 83520

1. GENERAL:

Clearwater Fish Hatchery rears 3.75 million Spring Chinook and 843,000 Steelhead. The smolts are transferred to acclimation and release sights by truck. This Statement of Work (SOW) is to furnish and delivery the proper fish tank to meet the needs of the hatchery and for the safety of the operators.

2. TANK SPECIFICATIONS:

The contractor shall furnish a tank for live fish transport which meets the minimum requirements stated below, in addition to meeting all applicable ICC (Interstate Commerce Commission) regulations. The single tank shall have a minimum 3,000-gallon usable capacity.

Weight of the complete system fully loaded with fish, water, oxygen cylinders, and personnel must not exceed the maximum legal gross weight of the vehicle. The vehicle flatbed and tank will be attached to will be rated at 58,000 Gross Vehicle Weight Rating (GVRW). Front axle 18,000 lbs., rear axles 20,000 lbs. each.

The tank system will be of uni-body rectangular construction and designed to be installed to a flatbed that is mounted to the truck chassis. The single tank shall have a total capacity of 3,000 gallons with 4” of freeboard. The tank will be one (1) compartment separated by one (1) bulkhead within the tank. Bulkhead will have 24-inch opening between the front and back compartments. The exterior of the tank is to be approximately 168” L x 80” W x 60” H. The tank inner shell is to be constructed of ¼” aluminum, with 1 ½” foil backed foam board insulation, and 1/8” aluminum outer skin. Tank shall have bolt down feet on the sides to properly attach to flatbed. Tank is fully welded construction. The tank’s outer surface is to be painted white. 3/8” picking eyes shall be placed at each corner of the tank. The tank shall have two clear site gauges with protection wings to measure gallons of water and pounds of fish. One site gauge is located on the driver’s side of the tank near the front and the other one on the driver’s side near the back of the tank.

The top of the tank will have two bi-fold doors with 3-point latches. One on each side of the bulkhead. Each door shall have a minimum access size of 36” x 36” for body and net access inside the tank. Doors shall be designed so each will have the capability of folding back in the fully open position, no more than 3 inches from the top of the tank. An inside tubular handle shall be installed on the lid to allow it to be closed from the fully open position. Lid gaskets will be heat molded directly to the lid as specified.

All tank welds and equipment inside the tanks shall be smooth so fish are not harmed during transport or release. All welds shall be watertight on top, sides, and bottom so water is not lost during transport or between the inner and outer skin.

Fish Discharge System The tank will have one rear discharge, with a 12” watertight knife gate valve at the rear of the tank. The valve should have added supports to prevent stress cracks when attaching release hose. The tank will have a sloped inner sub floor to the point of discharge. Each 12” knife valve will have a 12” Ring-Lock hose fitting with a dust cap.

Tempering lines will be constructed of 2.5-inch Stainless Steel (SS) pipe. Plumbing of all lines shall allow the flooding and draining of each compartment. Control handles of the flooding and draining valve shall be located on the top deck of the tank. In addition to the 2.5-inch valve at each tank, a 3-inch Polyvinyl Chloride (PVC) ball valve with 3-inch female camlock couplers will be installed on the outlet / inlet end of each pipe for tempering water.

Oxygen System Oxygen distribution lines shall run oxygen from one (1) oxygen tank, located vertically in a storage rack in front of the tank. The storage rack will hold three (3) K or T bottles of compressed oxygen, one (1) in use, and two (2) spares. The storage rack shall be constructed to hold three (3) K or T bottles in a vertical position with adequate security and ease of switching out bottles.

Oxygen line shall have a regulator connected to the K or T bottle in use running to a manifold. The manifold shall have four (4) total (1/4 to 7 L/min) flow meters. Each flow meter shall feed one (1) 24” Point Four TM Solid Bar Air Diffuser, recessed under sloped floor. There will be two diffusers on each side of the bulkhead. Oxygen lines shall be of stainless-steel construction and safely secured so no damage can occur.

Aeration Each compartment on either side of the bulkhead shall have two (2) 4” aluminum AV300 air vents with floating ball check valves to provide adequate cross flow ventilation.

Each compartment on either side of the bulkhead shall have two (2) 12-volt Fresh Flow Model TT Aerators. Each aerator will be wired from side of aerator switch to the cab of the truck to a green buzzer/light to give both visual and audible warning to the driver if the system fails and a visual “on” light when in normal operation. System shall include a manual toggle cutout switch to disable system when not in use.

Electrical System The electrical system shall include four (4) watertight type switches, one (1) switch per aerator, housed in a weather tight control box. Power source from battery to aerators with a 100-amp breaker in the battery box. All wiring from the power source shall be a minimum of 6 gauge. Switches shall be of adequate construction to supply continuous power to aerators (11.3 amps per unit with 15 amp auto reset breaker per unit).

Install on the oxygen manifold, one (1) pressure switch. Switch shall be wired in the cab to a red buzz/light to provide both visual and audible warning to the driver of low flow or lack of oxygen pressure in the manifold. System shall include a manual toggle cutout switch to disable system when not in use.

Install on each aerator an 18-gauge wire to be run from the downstream side of the aerator switch to the cab, to a green buzz/light to show operation of each aerator to give both visual and audible warning to the driver if system fails and visual “on” light when in normal operation mode. System shall include a manual toggle cutout switch to disable system when not in use.

All marker lights on flatbed are to be 12-volt DC LED. Lights shall be installed and secured in compliance with DOT requirements and shall be installed in a manner acceptable to the truck manufacturer’s wiring harness.

Steel Flatbed Steel flatbed shall be constructed at a length of 20’. The flatbed will be mounted to the chassis of the truck then the tank will be mounted to the flatbed. There shall be access ladders on both sides at the front of the flatbed with a full rear step bumper. There shall be a full bangboard behind the cab. All marker lights on flatbed are to be 12-volt DC LED on flatbed. Lights shall be installed and secured in compliance with DOT requirements and shall be installed in a manner acceptable to the truck manufacturer’s wiring harness.

Catwalk and Storage A 24-inch, fold down, aluminum walkway shall be installed on the driver’s side of the tank, for the full length of the tank, with heavy-duty ample-quilt type surface. Walkway shall be completely supported from underneath. No suspension chains or cables will be acceptable. Walkway bracing shall safely support the weight of a 300-pound person. Walkway shall have a 42-inch safety handrail. The handrail shall be uniform to the walkway and shall fold over the top of the tank when in transport position. Two (2) swinging gate-type openings shall be installed on the handrail, to swing out, located in front of the two (2) hatch openings on the tank. Walkway and handrail shall include a pneumatic lift assist system. Ladders, front and rear deck, shall be installed to gain access from both sides of the front deck. One (1) fold down ladder shall be installed on the driver’s side for access to the rear deck. Ladders should include 24-inch-high extension handles at the top to meet state safety standards.

Under tank pipe storage to accept 20-foot section of pipe with no cross members or other obstructions that interfere with pipe.

Toolbox (approximately 40 cubic feet) shall be constructed of aluminum with SS doors and hinges. Total storage shall be approximately 24”x24”x60” construction as allowed by the wheelbase setting of the truck.

3. WARRANTY:

The tanks shall carry at least the standard one year factory warranties against manufacture defects, such as defective work, breakage, deformation, cracking, delamination, and leakage.

4. ADMINISTRATIVE REQUIREMENTS:

All equipment specified above shall be delivered on or before March 14, 2025.

All shipping and handling shall be the responsibility of the vendor.

User manuals, installation guidelines, instructions, and warranty information shall be provided and delivered for all equipment specified above.

5. DELIVERY:

Tank shall be fabricated and completed at the contractor’s facilities. Delivery shall be coordinated at least five business days in advance with the Technical POC. The Clearwater Fish Hatchery address is 118 Hatchery Roe Drive, Ahsahka Idaho 83520. Hours of operation are 0730 to 1600 (PST) with the exception of weekends and holidays.

6. INSPECTION AND ACCEPTANCE:

Inspection and acceptance will be determined by the Technical POC or their designee. Refer to Paragraph (a) of FAR Clause 52.212-4 for additional information for inspection and acceptance.

7. DELIVERY POC:

Clearwater Fish Hatchery Idaho Department of Fish and Game, Denys Chewning, Fish Hatchery Manager, 118 Ahsahka Road, Ahsahka, ID 83520;

Phone: 208-476-3331/360-237-4799; E-mail: denys.chewning@idfg.idaho.gov