A02_MVK_Hydraulics_Survey_Boat_Scope_of_Work_02April2019.pdf

MVK HYDRAULICS BRANCH SURVEY VESSEL

SCOPE OF WORK

1. OVERALL:

The boat shall be an aluminum monohull. The boat shall be arranged with a deckhouse, twin outboard propulsion, a gas air-cooled generator, and a survey transducer retractable over bow mount.

Particulars are delineated below.

2. OPERATIONAL AREA:

The boat operational area is Mississippi River and numerous Tributaries

3. HULL & MOTOR PLATFORMS:

a. Hull – the hull shall be a monohull type with a squared bow. Hull length from bow to transom, measured on deck, shall be between 25 feet and 25 feet – 11 inches.

Hull beam including rub strakes shall be 9.5 feet. The hull shall provide minimum 6 inch wide walkway outboard of the cabin on both sides.

b. Outboard Motor Platform – aft of the hull transom, an outboard motor mounting platform shall be provided. The platform shall be buoyant and shall provide extension of the hull bottom planing surface.

4. COCKPITS & SIDE DECKS:

The craft shall exceed ABYC H-4 requirements for self-bailing decks.

5. FLOTATION & STABILITY:

The craft shall pass ISO 12217-1 intact stability criteria for design category B. Upon completion of production level design, an analysis shall be provided that identifies the craft weight, center of gravity with respect to a recognizable coordinate system, margins, and the loading conditions. Hydrostatic properties for the craft at each loading condition shall be included with the analysis. The maximum capacity of the craft shall be established using ABYC H-5.

6. FLOTATION WATERTIGHT BULKHEADS:

Flotation or Watertight Bulkheads shall be provided to ensure the craft will remain upright and afloat in the event of a single hull breach.

7. OPERATIONAL TRIM:

The vessel design shall be such that there is no trim by bow in any load condition.

8. STRUCTURE:

All aluminum used shall be either 5,000 or 6,000 series marine aluminum alloy.

Hull structure and scantlings shall be designed to meet ABS Rules for High Speed Naval Craft.

The hull structure shall also be adequate for loads applied during trailering.

The boat shall be fitted with bow eye as required for trailering. The bow of the boat shall be reinforced for the loads applied by the trailering bow eye.

9. DESIGN & CONSTRUCTION STANDARDS:

In addition to the requirements in this specification, the boat shall meet all standards of the American Boat and Yacht Council (ABYC).

10. DECKHOUSE ARRANGEMENTS:

Deckhouse shall be single level with pilot's station and surveyor's stations and consoles.

11. DECKHOUSE WINDOWS & DOORS:

Windows shall be suitable for open water operation. Spacing between windows shall be minimized for best all-around visibility.

Two windows each house side shall be slide opening.

All windows shall be tinted except driver forward window.

The forward operator window shall be fitted with heavy duty marine wiper. The wiper shall sweep clear a minimum of 80% of the clear glass window area.

Dogged aluminum weather-tight doors shall be provided in the deckhouse forward and after bulkheads. The aft door shall be provided with 6 inch sills. The doors shall be equipped with a window, matching the height of the house windows.

13. BILGE PUMPS & ALARM SYSTEMS:

Each hull watertight compartment shall be provided with a self-priming 12 volt DC bilge pump and bilge alarm.

Each hull bilge pump overboard discharge line shall be looped with the loop extending as high as possible under the hull deck.

The pipe ID shall be at least equal to the pump discharge ID.

Bilge pumps shall be 12 volt DC. Minimum bilge pump rated capacity shall be 1500 GPH at 3 foot discharge head.

Bilge pumps shall be configured to allow either automatic or manual operation. The switch controls for each bilge pump shall be located at the operator's station. The bilge pump controls shall allow operator selection of either automatic or manual operation.

14. OUTFIT:

Deckhouse floor shall be covered with rubber anti-fatigue floor matting, installed over an acoustic foam underlayment.

Deckhouse sides and overhead shall be sheathed in paneling that is coated white.

Acoustic and thermal insulation shall be provided behind the sheathing and under the deckhouse floor.

15. SEATING

The operator's station and the survey station shall be fitted with marine shock mitigation seats, Bentley Mariner or equal.

One seat shall be provided at the operator's station, and one seat shall be provided at the surveyors' station.

16. CLEATS, CHOCKS & RUB STRAKES:

CLEATS:

The hull shall be provided with 3 aluminum welded cleats per side. All cleats shall be 12 inch.

CHOCKS:

Two open chocks shall be provided on the bow 12 inches off centerline port and starboard. These shall be aligned with the two bow cleats for anchoring. All chocks shall be sized for 3/4 inch diameter rope.

RUB STRAKES:

Rubber rub strake shall be provided along the sides of the vessel at the bulwark upper edge.

17. ANCHOR AND LINE LOCKER:

An anchor sized for the boat shall be provided, including 300 feet of 5/8 inch nylon, three strand line. An anchor line locker shall be provided. The line locker shall be watertight, and separate from the hull compartments. The line locker shall include an overboard drain, and a watertight aluminum quick acting access hatch. The line locker shall not drain into the hull.

18. HATCHES:

Quick acting watertight aluminum hatches, similar to Freeman, shall be provided for deck entry into all hull compartments.

Outboard platform compartment shall be provided with a 12 inch clear diameter hatch for inspection and access.

19. FUEL SYSTEM:

Tank capacity shall be between 100 and 120 gallons.

The tanks shall be fitted with remote read out fuel gauge. The fuel gauge shall be matched to the fuel tank shape such that the gauge reading corresponds to the amount of fuel in the tank, not the level of fuel. The fuel supply to the outboard motors shall incorporate 10 micron spin-on water separating filters with all metal elements (no plastic or glass bowl). Filters shall be located in an accessible location with ample clearance for replacing the filter elements.

Fuel system to meet EPA rules for diurnal emissions.

20. PROPULSION:

The Government shall furnish for propulsion engines for the vessel twin Yamaha 150 HP outboard motors, model number LF150XB and model number F150XB.

Vendor shall provide all necessary rigging and steering components for installation of the Government furnished engines.

Propellers shall be stainless steel and shall be from the engine manufacturer. A spare set of stainless steel propellers shall be provided.

Engine gauge systems shall utilize data bus technology. Real time fuel flow gauges shall be provided for each engine.

Steering system shall be power assist hydraulic. Power assist pump shall be 12 volt DC.

Steering system shall provide Hard-Over to Hard-Over travel in no more than 4 turns of the steering wheel.

Outboard controls shall be dual binnacle type, with integral switches for outboard trim and tilt.

An outboard protection bar shall be provided and installed to protect the outboards while docking and during towing.

21. GENERATOR:

The Government shall furnish and the contractor shall install a EU7000 120 volt AC gasoline powered generator. The generator shall be mounted on an elevated platform in the after deck area. The platform base shall be even with the top of the bulwark.

22. AC ELECTRICAL:

The AC electrical distribution system shall be a single point grounded system in accordance with ABYC requirements. The system shall include a cabin distribution panel with ammeter, volt meter, and frequency (Hz) meter with selector switch, main breaker and breaker slots for minimum of 8 circuits. The AC electrical distribution system shall also have a ground fault system with ammeter with test switches and polarity indicator with red and green lights per ABYC. The AC system shall provide power to the Air Conditioner and AC receptacles.

• Duplex 120 volt AC outlets shall be provided as follows:

o Survey Station - 2 duplex receptacles.

o Operators station - 2 duplex receptacles.

o House after bulkhead - 1 duplex receptacle.

o Battery Charger, one duplex receptacle for each charger.

• Uninterrupted power supply suitable for installation in a cabin vessel with sufficient power to supply all survey equipment for 5 minutes in the event of AC power loss.

23. BATTERIES & AC CHARGER:

BATTERIES:

Four 12 volt identical marine combined deep cycle and starting batteries shall be provided, one for each outboard motor, one for the house DC power, and one for the generator. All batteries shall be sized for the outboard motor starting CCA plus 20%.

CA rating for above 32 degrees shall be used to size the batteries. Batteries shall be sealed maintenance free Absorbed Glass Mat type.

BATTERY CHARGER:

Each battery bank shall be provided with a marine AC battery charger. Charger output shall be minimum 50 amps. The charger shall sense battery condition and automatically switch from bulk charging mode to charge maintenance mode. The outboard engine start batteries shall be charged by their respective engines as well as the AC chargers. The house battery shall be charged only by the AC charger. Batteries shall be mounted in weather-tight battery boxes. The battery mounting shall be fastened to the deck such that the batteries will not move during hull accelerations.

24. DC ELECTRICAL:

A DC electrical system shall be provided for:

• Bilge pumps

• Navigation lights

• Navigation gear

• Engines

• DC lighting

• Two DC console outlets (cigarette lighter type)

• Survey station DC power supply

The DC system shall include a distribution panel at the operator’s station. The distribution panel shall include a switch to allow power to be selected from any one of the four batteries. The two console 12 volt DC outlets shall be located one each at survey and operator's station.

25. SHORE POWER:

A single 120 volt AC 30 amp shore power system shall be provided, to include 50 foot shorepower cable. The shore power system shall have a UL approved 120 volt to 240/120 volt AC Isolation Transformer.

The shore power system shall provide power to the following:

• AC receptacles

• Battery chargers

• Heating and cooling

26. DC LIGHTING:

• The cabin DC Lighting System shall consist of dimmable LED fixtures for night operation. Each fixture shall have red and white light, with a selector switch on the fixture to switch between red and white. Four fixtures, each individually switched and dimmed shall be provided in the deckhouse.

• A minimum 400,000 Candela DC searchlight shall be provided on the house top. The searchlight shall be controllable from the operator’s station.

• An amber and red strobe light shall be mounted on the house roof.

• DC powered, non-dimmable LED lighting, white, shall be provided for the areas under the pilothouse consoles.

• Non-dimmable LED lighting, white, shall also be provided for each hull compartment, with the light located adjacent to the compartment access hatch. Illumination levels in these areas shall be adequate for good maintenance visibility.

28. COATINGS, SIGNAGE & DRAFT MARKS:

• Non-skid coating shall be provided on exterior decks, color Deck Red (FS #10076).

• The cabin exterior shall be painted, color Old Ivory (FS #17855).

• Corps of Engineers Signage and labeling shall be provided on hull and Corps castle shall be provided and mounted on house, port and starboard. The Castle Logo shall be adhesive sheeting applied to the stainless steel or aluminum backing plate. The sheeting shall be 3M Diamond Grade DG Reflective Sheeting Series 4000.

Except as described above, the boat shall be unpainted.

29. SURVEY STATION:

The surveyor's stations shall be provided in the house on the port side. The station shall be desk configuration, with seating for one surveyors. The survey station shall be designed so as to leave access space and steps to the forward house door.

30. MULTI-BEAM TRANSDUCER OVER BOW STRUT:

The contractor shall install a Government furnished multi-beam transducer strut to include hydraulic actuator and pump.

31. HEAVE ROLL COMPENSATOR PLATFORM:

HEAVE ROLL COMPENSATOR PLATFORM

The contractor shall provide and install a mounting plate, approximately 10 inches square, for the heave roll compensator. The mounting plate shall be located on centerline, approximately 10 inches below the cabin sole. The longitudinal location of the platform shall be approximately at midships.

32. BOTTOM SAMPLING DAVIT:

The contractor shall supply a davit rated for 2000lb capacity. Winch and cable shall be furnished by the Government.

33. SURVEY WIREWAYS & PASS-THROUGHS:

WIREWAYS

The contractor shall provide a dedicated wire-way for the survey gear. The wire-way shall run:

• From the survey computer station forward to the transducer.

• From the survey computer station to the survey GPS antenna.

Wireways shall provide wire strapping bars at no more than 12 inch spacing. No vessel wiring shall be located in any of the survey wireways. The wireways shall be fitted with removable joiner panels for the areas inside the deckhouse. The wireways shall terminate in minimum 6 inch diameter clear openings at the GPS mount and at the transducer well, with bolted watertight closure plates.

PASS-THROUGHS

In addition to the above wireways, pass-through openings shall be provided in the port side forward and after cabin bulkheads.

These shall be located vertically with the lower edges approximately 6 inches above the cabin counter surface level. These shall provide minimum 6 inch square clear openings. Brush seal shall be provided around the perimeter of the openings to allow wire pass through, while minimizing heat or cooling loss through the opening.

A hinged weathertight aluminum cover shall be provided on the cabin exterior, over the pass through opening.

34. HEATING & AIR CONDITIONING:

Roof mounted heating and air conditioning shall be provided in deckhouse. The heating and air conditioning systems sizing shall be adequate to maintain cabin temperature between 70 and 80 degrees with outdoor temperatures ranging between 30 and 100 degrees. The heating and air conditioning shall be powered by the AC generator, and by shore power.

35. NAVIGATION, COMMUNICATION & OUTFITTING:

The builder shall provide (unless otherwise specified) and install the following equipment and fabricated components:

• Mast with platforms for navigation lighting.

• Complete LED navigation lights.

• Mount bar for dual survey GPS antennas (antennas will be Government furnished), with minimum 5-foot transverse spacing.

• Carbon monoxide sensor.

• Gasoline fume detector.

• Overhead radio mount rack (2 radios).

• Two VHF radios and antennas, ICOM M604 or equal. (one VHF will be Government furnished)

• Raymarine dual screens, rear deck camera, satellite weather radio, ship traffic-radar head and transducers for depth

(Government furnished.)

• Flare kit.

• Boat hook, aluminum, 6 foot.

• Two fire extinguishers, 6 lb.

• First aid kit.

• Ring buoy, 24 inch with line and bracket.

36. TRAILER:

The boat shall be provided with a trailer. The trailer shall be either two or three axle, depending on the required trailer load rating for the boat. The trailer frame shall be galvanized steel or aluminum. The trailer shall be bunk type. Bunks shall be aligned to hull. The bunk system shall be configured such that there are no bunks under the transducer area.

The trailer shall be provided with the following features:

• Bunks as described above.

• Upright hull guides.

• Brakes, electrically actuated from the towing vehicle.

• Manual winch sized for the boat trailer loading line pull.

• Spare tire and carrier, mounted on the trailer.

• Greasing hubs on all wheels.

• Sealed watertight LED lights.

• Heavy duty tongue jack, rated 2000 pounds minimum, with articulated foot plate.

• Overall fixed height with the vessel on the trailer shall not exceed 13 ft – 6 inches.

37. TESTS AND TRIALS:

Prior to delivery from the builder's facility, the contractor shall complete the following tests and trials:

• Operational trials - demonstrate the correct operation of all on board systems and machinery components.

• Full load speed trials - demonstrate the vessel top speed.

• Trailering - demonstrate launching from trailer into the water, and hauling from the water onto the trailer.

• Shore power - demonstrate operation of AC electrical components on shore power.

• Stray current and ground fault test – no stray current or ground faults shall be permitted.

• Upon delivery at the manufacturer the contractor shall repeat the operational trials.

• The Government will provide local water access and a site for launching the boat from the trailer.

38. DOCUMENTATION:

The following documents shall be provided by the builder, for the purpose of operating and maintaining the vessel:

• Arrangement drawings

• Hull lines drawing

• Hull structural drawing

• Hull table of hydrostatics in salt water

• AC and DC electrical schematics

• Gasoline fuel schematics

• Engine power steering hydraulic schematic

• Trailer VIN

• Equipment operating manuals

• Trial Reports

• Warranties

39. QUOTATION TECHNICAL AND EXPERIENCE REQUIREMENTS:

Each quotation shall include the following:

• For Technical Features, the following shall be provided:

• Hull form suitability for area of operation

• Structural and system design standards

• AC electrical system details

• DC electrical system details

• Heating, ventilation and air conditioning

• Fuel capacity (gasoline and diesel fuel)

• Trailer make, model and bunk arrangement

• Warranties for outboards: Local (to RJ’s Outboard and Marine 1208 Old Fannin Rd # B, Brandon, MS 39047) outboard motor warranty service provider

• Warranties for remainder of the vessel

• Brief description of method for compliance for each of the above paragraphs from #1 to #38.

Documentation as follows:

• Estimated weight and CG

• Estimated maximum speed

• Compliance with ISO criteria for floatation and for cock pit drainage

Drawings as follows:

• Hull lines drawing

• Arrangement and profile drawings

• House arrangement drawing, showing survey and operators stations, seats, steps, benches, and other furnishings

• Hull arrangement drawing, showing all watertight compartments, the generator location, and all tanks and hatches

• Transverse hull sections drawing showing sections at: outboard platform, hull cockpit, deckhouse, and forward deck

40. VESSEL DELIVERY REQUIREMENTS:

• Vessel shall be completed and available for delivery/pick-up by September 30, 2019

• The current vessel with GFE installed on it will be made available for de-rigging and transfer of GFE specified above 60 days prior to vessel delivery/pick-up