STATE OF CALIFORNIA Attachment #1 Technical Specification 3600-TS-0313307 17 Ft Airboat and Trailer Event ID 39643

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Table of Contents

1. Scope

2. Regulations, Codes, Standards

2.1 Regulations

2.2 Codes

2.3 Standards

3. Requirements

3.1 General

3.2 Hull

3.3 Seating

3.4 Engine Stand

3.5 Engine

3.6 Throttle

3.7 Exhaust

3.8 Propeller Guard

3.9 Propeller

3.10 Belt Reduction Unit

3.11 Rudder and Control System

3.12 Instrumentation and Controls

3.13 Accessories

3.14 Electrical

3.15 Fuel tank

3.16 Cooling System

3.17 Finishes and Coatings

3.18 Trailer

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1. Scope This technical specification establishes the minimum requirements for a 17 x 8 - foot counter-rotator airboat and trailer. The airboat will be used by the California Department of Fish and Wildlife (CDFW) for general access and maintenance activities in wetlands, shallow flooded areas, sloughs, and tidal marshes where other vehicles and boats cannot be used. This specification also covers the trailer that will be used with this airboat.

2. Regulations, Codes, Standards Regulations, codes, standards, and specifications referenced in this document in effect on the opening of the Invitation for Bid (IFB), form a part of this specification. The products covered by this specification shall comply with all applicable laws, regulations, and industry standards including, but not limited to, the following:

2.1 Regulations

2.1.1 California Air Resources Board (CARB) regulations.

2.1.2 California Code of Regulations Title 13 Chapter 9 Article 4.7.

2.1.3 46 U.S. Code Subtitle II Chapter 43 Part B – Recreation Vessels.

2.1.4 Code of Federal Regulations (CFR) Title 33 Part 181 and 183 – U.S. Coast Guard

(USCG) Builders handbook 2021.

2.1.5 Federal Motor Vehicle Safety Standards (FMVSS) Standard 108 and CFR Title 49

Subtitle B Chapter III Subchapter B § 393.

2.2 Codes

2.2.1 California Vehicle Code - VEH § 630, 26302 (Brakes), 24600 (Tail lamps), and

24612 (Conspicuity Tape Requirements).

2.3 Standards

2.3.1 Underwriters Laboratories (UL) 94 HB.

2.3.2 International Electrotechnical Commission (IEC) 60529 Ingress Protection (IP).

2.3.3 American Boat and Yacht Council (ABYC).

3. Requirements

3.1 General

3.1.1 The airboat shall be fully operational upon delivery.

3.1.2 Construction material: marine-grade 5086 aluminum alloy except where noted.

3.2 Hull

3.2.1 Hull Style: V-Crimped sides.

3.2.2 Beam width: minimum 8 feet.

3.2.3 Side height: minimum 27 inches.

3.2.4 Transom height: minimum 24 inches.

3.2.5 Centerline length: minimum 17 feet.

3.2.6 Bottom

3.2.6.1 Thickness: minimum 0.190-inch.

3.2.6.2 Ultra-High Molecular Weight (UHMW) polyethylene sheathing, thickness

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3.2.7 Bow cap, bulkhead, and side thickness: minimum 0.125-inch.

3.2.8 Seven (7) 2 in. x 2 in. x ¼ in. T-bar stringers with gussets with T-bars spacers on 7-inch centers.

3.2.9 Two (2) aluminum I-beam cross braces, minimum 3-inches.

3.2.10 Transom

3.2.10.1 Thickness: minimum 0.190-inch.

3.2.10.2 T-bars and minimum 0.190-inch thick gussets inboard of the transom.

3.2.10.3 Splash tray plate: minimum 8-inch with T-bars and minimum 0.190-inch thick gussets.

3.2.10.4 Two (2) safety tie-down eyes with reinforcement plates.

3.2.11 Decks

3.2.11.1 Non-skid surface treatment.

3.2.11.2 Captain’s deck length: minimum 38 inches.

3.2.11.3 In the bow, recessed deck lid minimum 16-inches x 24-inches with a stainless-steel lock, hydraulic shock, and butt hinges.

3.2.11.4 Flooring in front and sides of passenger seating with foam beneath meeting the floatation requirements of CFR Title 33 183 Subpart F.

3.2.12 Two (2) 1-inch bilge drain plugs.

3.2.13 A stainless-steel bow eye.

3.2.14 Grass rake: a minimum length of 3 feet.

3.3 Seating

3.3.1 Captain’s chair and cover

3.3.1.1 Stainless-steel single rear operator seating with grab handles.

3.3.1.2 Chair height: minimum 24 inches from captain’s raised deck to the chair’s seat.

3.3.1.3 Chair material: marine vinyl fabric upholstery, color gray.

3.3.1.4 Chair rain cover marine vinyl fabric upholstery, color gray.

3.3.2 Passenger seating

3.3.2.1 Removable bench, three (3) passenger capacity.

3.3.2.2 Material: UPII marine-grade, gray color.

3.3.3 Chair frames

3.3.3.1 Material 1-inch x 1-inch x ¼-inch stainless-steel box tubing.

3.3.3.2 Captain’s chair step.

3.3.3.3 Aluminum storage box with stainless-steel lock beneath the captain’s chair sized to fit below the chair.

3.3.3.4 A 2-inch x 4-inch stainless-steel wire storage box beneath the passenger seating sized to fit below the bench.

3.4 Engine Stand

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3.4.1 Compatible with the belt reduction unit in section 3.10.

3.4.2 Material: 1-inch x 1-inch stainless-steel square tubing.

3.4.3 Four (4) shock-mounted mounting points for installation of the engine.

3.4.4 Incorporate mounting brackets for the fuel tank and batteries.

3.5 Engine

3.5.1 Minimum 6.0-Liter, 450-HP electronic fuel injection (EFI) marine engine

3.5.2 Fully certified to applicable EPA and CARB marine emission standards.

3.5.3 Marine-grade starter.

3.5.4 Self-exciting alternator: minimum 70-amp.

3.5.5 An aluminum overflow recovery tank for the radiator and engine block/pressure oil tank.

3.6 Throttle

3.6.1 Electronic fly-by-wire system.

3.6.2 Pedal assembly located at the captain’s chair on the starboard side at the captain’s foot position.

3.7 Exhaust

3.7.1 Material: marine-grade stainless steel.

3.7.2 Catalytic converter meeting the engine’s EPA and CARB marine-emissions certification requirements.

3.7.3 Three-inch stainless steel dump pipes designed for through-transom discharge.

3.8 Propeller Guard

3.8.1 Material: 1-inch and 7/8-inch stainless-steel tubing.

3.8.2 Wire mesh material: 2-inch x 4-inch stainless steel.

3.8.3 Accommodate two counter-rotating propellers with a clearance of 3 inches minimum.

3.8.4 Separate component from the engine stand and removable.

3.8.5 Coast guard-approved running lights meeting 33 CFR 183 Subpart M installed on overhead guard including two 50-watt working lights.

3.8.6 Two access doors with hydraulic shocks.

3.8.7 Stainless-steel tabs welded onto the propeller guard for installation of steering cable, using rubber-coated aluminum clamps.

3.8.8 Shroud

3.8.8.1 Fully extend down to the deck on both sides.

3.8.8.2 Wire mesh material 2-inch x 4-inch stainless steel.

3.8.9 Top-mount steering configuration for rudders.

3.8.10 Stainless-steel radiator protective mesh guard.

3.9 Propeller

3.9.1 Counter-rotating, carbon-fiber propellers with a minimum of three (3) blades each, as recommended by the airboat manufacturer to match the engine and reduction

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3.9.2 Co-cured metal leading edge.

3.9.3 Propeller pitch: as determined by the airboat manufacturer for airboat operational efficiency.

3.10 Belt Reduction Unit

3.10.1 A 2.3:1 counter-rotating reduction drive unit utilizing an airboat marine-grade long-belt drive system.

3.11 Rudder and Control System

3.11.1 Two (2) air-foiled, foam-filled aluminum rudders

3.11.2 Rudder size: minimum 24 inch x 60 inch.

3.11.3 Include four (4) nylon bushings and 3/8-inch stainless-steel rudder rods.

3.11.4 A direct connected and complete 3/8-inch heavy-duty, top-mounted cable steering system.

3.11.5 Anodized aluminum grip steering handle located on the captain’s port side.

3.11.6 Throttle cable assembly located on the captain’s foot stand and operated with captain’s starboard foot includes stainless-steel Heim joints, lock rings, and Argutto bearings.

3.12 Instrumentation and Controls

3.12.1 Side-mounted marine type with vinyl cover by captain’s chair.

3.12.2 Material: aluminum.

3.12.3 Includes:

• Keyed ignition switch.

• Lighted, black rubber-booted toggle for navigation lights and accessories.

• Lighted marine gauges: tachometer with hour meter, oil pressure gauge, voltmeter, coolant-temperature gauge, and fuel gauge.

• Bilge pump controls.

• Multifunction device with touch screen.

• Lanyard-type emergency kill switch.

• Eight-position keypad for accessories.

• Two (2) accessory DC power outlets.

• Vinyl instrument panel cover.

3.13 Accessories

3.13.1 A minimum 2000-GPH bilge pump.

3.13.2 Four (4) wireless headsets.

3.13.3 Multifunction device with transducer meeting the following minimum requirements:

3.13.3.1 Fish-finding features with downward and side-scan sonar capability

3.13.3.2 Depth-detection features supporting a minimum detectable depth of 52 feet.

3.13.3.3 GPS-enabled navigation functionality with U.S. West coastal and inland

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3.13.3.4 Display size: minimum 9 inches (diagonal measurement).

3.13.3.5 Water-resistance rating of IPX7 per IEC 60529.

3.14 Electrical

3.14.1 Boxed dual marine batteries meeting CFR Title 33 Part 183 subpart I with a four-position dual-battery selector switch.

3.14.2 Current-carrying conductors: minimum No. 10 AWG.

3.14.3 All wiring installed in marine-grade, maximum operating temperature 300°F, UL 94

HB-rated split nylon convoluted wire-loom tubing.

3.15 Fuel tank

3.15.1 Material: 5052-grade aluminum.

3.15.2 Mounted to the hull with rubber mounts beneath the engine stand.

3.15.3 Capacity: minimum 55 gallons

3.15.4 Remote fuel fill accessible from the ground level outside of the safety cage.

3.15.5 Includes internal baffles.

3.16 Cooling System

3.16.1 Double-pass aluminum radiator with minimum dimensions of 31 inches by 24 inches.

3.16.2 Oil cooler with braided oil lines and AN-type fittings

3.16.3 Both radiator and oil cooler mounted with rubber mounts.

3.16.4 The radiator shall be low-mounted and provide sufficient cooling capacity to maintain proper engine operating temperatures under tropical conditions at maximum engine load.

3.17 Finishes and Coatings

3.17.1 Powder-coated items:

• Instrumentation panel.

• Rudders.

• Aluminum storage box beneath captain’s chair.

• Operator seating assembly.

• Aluminum overflow and expansion tanks, cross brace, and fuel-fill bracket

3.17.2 Non-skid coating shall be applied to the rake, bow, deck, and captain’s deck including step.

3.17.3 Paint webbing applied inside the hull.

3.18 Trailer

3.18.1 Galvanized minimum 3500-lb tandem torsion axles, with total axle width maximum of 102 inches.

3.18.2 Material 4-inch steel channel with 3-inch steel channel crossbars.

3.18.3 Black UHMW covered minimum 8-foot support bunks with rollers which include

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3.18.4 Cushioned front buffer or “stop bar,” a minimum of 2 feet wide, with adjustable height from 10 inches to 20 inches above the frame.

3.18.5 Two (2) safety chains, 1/2-inch diameter, with hooks.

3.18.6 Retractable tongue jack with wheel and a minimum 2-inch ball coupler.

3.18.7 Ramps with rollers.

3.18.8 Electrically activated hydraulic disc brakes.

3.18.9 Bow stop and a two (2) speed winch with nylon strap.

3.18.10 Trailer running lights in accordance with FMVSS Standard 108 and CFR Title 49

Subtitle B Chapter III Subchapter B § 393.11.

3.18.11 Reinforced step fenders capable of supporting a minimum of 300 lbs. as a step.

3.18.12 Tread steps before and aft of each fender, minimum 3/16-inch thick steel.

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Revision History

Version Date Summary of Changes Approved by N/A 6/26/2026 Initial DRAFT Release