MOLOKA’I STRAIT 126’
Molokai Strait Marine LLC
Phone: (904) 399-3673 / Fax: (904) 399-1522
The specifications describe a 126’ expedition type motor yacht, arranged as shown on the attached drawings. Where specifications and drawings conflict, the specifications shall prevail. Where regulatory bodies require the inclusion of materials and/or equipment not shown on the drawings, or in the specifications, it shall be the responsibility of the builder to include such materials/equipment under the terms of the contract. 0.11
The vessel shall contain integral tankage with the following capacities: Fuel Oil:
Fuel oil, potable water, and waste water capacities are approximate and will be determined during the detailed design phase. Ballast capacity may be added for the purpose of maintaining the trim and/or stability.
The vessel’s principal characteristics are as follows: L.O.A.:
Speed values are subject to some variances that may be resulting from appendages and/or hull shape. 0.14
It shall be the Naval Architect’s responsibility to design the vessel for maximum comfort at sea by keeping accelerations resulting from pitching and rolling to a minimum using skegs, bilge keels, active stabilizers, bulbous bow, etc. 0.15
The vessel shall be designed and constructed to ABS guide for Building and Classing Motor Pleasure Yachts, 1990. The resulting certificate shall show A1, yachting service. The vessel shall also be certified by the MCA and shall comply with ISO 12217 Category A regulations. The Builder shall be responsible for all fees levied by any regulatory bodies. 0.16
The Owner and/or Project Manager may at his expense periodically visit the construction site for the purpose of inspecting materials and workmanship. The Builder shall furnish the Owner or his representative with a climate controlled office, telephone with its own line, filing cabinet, and two chairs. The Owner’s Representative shall be provided access to the Builder’s construction facilities during the Builder’s normal working hours.
The cost of specialized subcontractors that support the construction of the vessel or specialized components may be borne by the Owner, the Builder, the project manager, or the Architect, as follows: Project Manager: a. N.C. Cutting Tapes b. Interior Designers c. Stylists Builder:
a. Engine Exhaust Systems (d’Angelo) generators b. Engine Room Ventilation (Delta-T) c. HVAC (Cruise Air or equal) d. Smoke, Bilge Alarms e. Telephone System f. P.A. and General Alarm System g. Active Stabilizer sizing h. Steering System
Architect: a. Sea keeping Studies (if required) b. Propeller, Speed, and Gear Reduction Ratio (Propulsion Data) c. Vibration and Noise Control (Soundown) d. Hull Fairing (Lines) 0.22
The Naval Architect shall develop the hull lines. The hull shall be on the double chine configuration. She shall be fitted with a bulbous bow, designed to reduce pitching motions. 0.23
The Naval Architect shall provide a faired lines plan of the main superstructure for use by the N.C. tapes provider. 0.24
The Naval Architect shall calculate and furnish complete hydrostats and preliminary stability calculations. Stability calculations shall be for standard loading conditions and shall be for intact as well as damaged conditions. Floodable length calculations shall also be furnished, and subdivision shall be checked for compliance with ABS and MCA.
The Naval Architect shall provide an extensive and detailed weight estimate. The weight estimate shall be the basis for all stability, subdivision, and sea keeping calculations. 0.26
The Naval Architect shall furnish capacity tables for all tanks. Capacities shall be in inches and gallons. It is assumed that all sounding tubes will be vertical. 0.27
Upon Completion or near completion of the vessel, the Naval Architect shall conduct an inclining experiment. The Naval Architect shall advise the Builder about the inclining weights that will be required. The Naval Architect will supply a qualified Naval Architect to conduct the test. He will rig the pendulums and check the vessel against degree of completion. The Builder shall be responsible for the inclining weights, line and weight handlers, pendulum readers, etc. Upon completion of the test, the Naval Architect will prepare the Stability Data Booklet and submit same to the MCA, the ABS, and the Project Manager. 0.28
The vessel shall admeasure at under 300 gross tons using the U.S. recognized regulatory system and under 500 gross tons using the internationally recognized convention system. Regulatory tonnage calculations shall be carried out by the Naval Architect and submitted to G.L. Convention tonnage calculations shall be carried out by G.L. The Builder shall be responsible for any changes from G.L.
As part of the Bid Package, the Naval Architect will produce the following drawings, which are for guidance only, and which do not contain construction details. 1.1 Profile and Arrangements General Arrangements, Below 5’ Flat, 5’ Flat, Main Deck, Second Deck, Sun Deck, and Outboard Profile The arrangements and profile are developed by others. The Naval Architect is not responsible for Owner’s approval or rejections. If arrangements have to be changed, the Naval Architect shall be reimbursed for the time it takes to do so. 1.10
The Naval Architect shall develop for Owner’s approval an arrangement plan showing access to all tanks, voids, and any other compartments that are difficult to obtain access to. The purpose of this plan is to prevent the Builder from running pipes and/or wires in areas that may impair access to such compartments. 1.11
The Builder shall supply all necessary labor, materials, skilled tradesmen, and equipment required to complete and test the construction of the vessel. All materials and equipment shall be new, unless specific approval to the contrary is obtained from the Owner or Owner's Representative in writing. Materials and workmanship shall be of the best description and quality throughout, and of adequate sizes to accomplish the purpose intended. The work in every respect shall be made under the supervision and to the satisfaction of the Owner and Owner's Representative, in accordance with good marine practice. Names of certain manufacturers and items, where mentioned in these specifications, are intended to describe the desired qualities and construction of the items, articles, and materials, and should not exclude any other makes not so named. However, if a change in equipment is contemplated to other than equipment stated in these specifications, the Builder will notify the Owner in writing, prior to making the change.
All parts of the craft, including, but not limited to, structural paint work, machinery auxiliaries, appliances, and apparatus shall be maintained in a satisfactory condition during the entire period of construction. Measures shall be taken to keep to a minimum any wear and damage incidents to the vessel, and to prevent corrosion and other deterioration, especially to unpainted polished and moving parts. All water piping shall be kept drained except during trials and tests. Before being placed on board, equipment, prefabricated parts, and furniture to be installed by Builder, which is stowed in warehouses or on piers during the construction period, shall be thoroughly examined for and rid of rats and vermin. The Builder shall be responsible for the care of all machinery and equipment installed by Builder, whether furnished by him or by the Owner. Electrical and electronic equipment shall be adequately protected against dust, moisture, or other foreign matter. All unpainted machine parts, both interior and exterior, shall be protected against corrosion and deterioration during the interval between manufacture and placing in service on board the craft. All preservative applied by the manufacturer shall be left intact until installation of the machinery or equipment on the craft. If removal of the preservative is necessary for testing the machinery or equipment prior to installation, the Builder shall re-preserve and protect the machinery or equipment until installed. All preservative on working parts shall be removed prior to operation of the machinery or equipment. All parts, especially those having working surfaces, passages, or piping for lubricating oil, shall be kept clean and protected during manufacture, storage, assembly, and after installation. Tanks and voids shall be clean before being closed. Rubbish shall be removed from places that are to be permanently covered or may become inaccessible. 1.16
For Owner furnished equipment and allowances, see Section 8. The Builder shall coordinate the delivery of Owner furnished items with the construction schedule to avoid delays. 1.17
Upon completion of construction, operational tests, dock trials, sea trials, and after all known defects have been corrected, the vessel shall be delivered to Owner afloat at Builder's yard, or any other mutually agreed location.
The vessel shall be in first class condition throughout. The vessel's engines and equipment shall be full of lubricating oil. Any additional quantities of lubricating oil required by the Owner shall be stored at this time. This additional oil will be to the Owner's account. See Miscellaneous Allowances in Section 8. The potable water system and storage tank shall have been properly treated and flushed, and full upon delivery. Diesel oil remaining on the vessel after trials and on the vessel at delivery will be purchased by the Owner at the certified cost to the Builder. See Miscellaneous Allowances in Section 8. The Builder shall deliver the vessel with Tonnage, ABS and MCA Certificates, and a Stability Letter. 1.18
The Builder shall prepare a detailed construction schedule within one (1) week of construction start. This schedule is to be updated weekly and submitted to the Owner and its Representative. A separate schedule is to show the dates Owner furnished equipment and interior design information is to be received by the Builder. This schedule is to also show the dates various construction drawings are required by the Builder for maintenance of the committed construction schedule. 1.20
Upon delivery of the vessel, the Naval Architect shall provide a docking plan showing hull section offsets, hull penetrations, keel coolers, shafts, rudders, bowthruster, etc. 1.25
The detailed design shall be furnished by D&L, Inc. at the Owner’s expense. It shall be the Builder’s responsibility to prepare its own shop drawings. Exact routing of wires, pipes, ducts, etc., shall be determined by the Builder. The Builder shall maintain records of any final routings and equipment locations. These records shall be submitted to D&L, Inc.
The vessel’s hull is made of ABS certified steel. The hull includes the Main Deck bulwarks, the Main and raised foredecks, and the foredeck bulwarks. Tankage is in general below the 5’-0” flat, the baseline being the bottom of the keel. The hull shall be transversely framed on 30” spacing with longitudinal panel stiffeners spaced at between 12” and 15”. Where the hull has curvature in any direction the frame and panel stiffeners shall be cut, not bent. All below deck spaces, except the engine room and the forepeak, shall be fitted with a marine 3/4” plywood sole, supported by angle framing. 2.2
Hull scantlings shall be as follows: Keel:
The following scantlings, based on 5083/5086 and 6061 types of aluminum are basic and subject to change as the result of detailed structural calculations, as well as stanchion spacings.
The aluminum superstructure shall be connected to the steel hull using Triclad or equal strips. Main Deck House Sides:
1/4” plate w/ 4 x 3 x 5-16 flanged plate 24” OC
3/16” plate w/ 4 x 3 x 1/4 flanged plate
1/4” plate w/ 4 x 3 x 1/4 flanged plate
3/16” plate w/ 4 x 2 x 3/16 flanged plate
3/16” plate w/ 4 x 3 x 3/16 flanged plate
Builder shall install approximately 30’ of triangular, hollow, 30” deep bilge keels, properly tapered at the ends.
The Owner will furnish the interior. The interior shall consist of basically the following: a. Carpeting, including installations b. Floor tiles, to be installed by Builder c. Ceiling materials, to be installed by Builder d. Lighting fixtures, to be installed by Builder e. All built-in furniture f. All loose furniture g. All furniture upholstery h. All non-permanent decorations i. All finishing materials and installation for guest, owner, and public spaces j. Bars, materials, design 3.2
6” double stainless steel bits shall be mounted on the Main Deck, (2) forward and (2) aft. Mooring rings of stainless steel construction shall be fitted in the forward and aft bulwarks (see drawing). 3.3
An 8000# capacity, electro-hydraulic crane, as manufactured by Marquipt, shall be mounted on a suitable foundation on the foredeck. It shall be of the telescoping type and have a reach of approximately 20’. The yacht shall be designed to carry two tenders on the foredeck. The size of the tenders shall be the result of detailed design layouts and discussions between the Owner, P.M., and the N.A. The tenders shall be furnished by the Owner. 3.4
All galley equipment shall be Owner furnished. The equipment supplier shall furnish detailed drawings for piping and wiring hook-ups. The settee and table shall be furnished and installed by the Interior Designer. The Builder shall provide suitable foundations for all galley equipment and shall install the equipment. Walls will be 0.06” polished stainless steel. Ceiling materials will be selected by A.I. and installed by the Builder.
W.T. doors below decks between guest quarters shall be sliding with local and remote operation. Remaining below deck W.T. interior doors shall be quick-acting, aluminum. Transom door shall be hinged, Q.A. steel or aluminum. All W.T. doors below deck shall have alarms and indicators in the pilothouse. All W.T. doors for use in the deckhouse shall be of aluminum construction and shall meet ABS rules. Interior doors shall be of approximately 2” thickness and shall meet ABS/MCA rules. Door heights shall be 6’-8” in public areas, and 6’-3” minimum in crew areas. Door heights include the height of door sills. Exterior door shall be faired on the exterior. 3.6
The vessel shall be fitted with two stainless steel anchors that shall stow in pockets in the hull. The inside of the pockets, as well as any area of the hull, including the bulbous bow, shall be clad with at least 1/4” stainless steel plate. Anchors shall be raised and lowered using anchor windlasses, as manufactured by Maxwell. The anchor chain shall be 600’ of 5/8” x-strong, complete with swivels, bud shackles, pear-shaped links, etc. The anchor windlasses shall be fitted with a chain stopper and a warping head for handling mooring lines. The chains shall be stowed in chain lockers fitted with gratings and wash-downs. The controls shall be via a deck mounted foot switch. The motor and motor controllers shall be reversible. Anchor windlasses shall have 5 HP motors. Stern line capstans shall have 3 HP motors. 3.7
18” diameter port lights as shown on the Outboard Profile shall be as manufactured by Freeman Marine. They shall be of the opening type and fitted with stainless steel screens, covers, and dogs, and tempered glass (approximately 30). An open/closed indicator system shall be located in the pilothouse. Above deck windows shall be manufactured by Pacific Coast Marine. Glass thicknesses shall be per ABS and extrusions shall be to suit window’s location.
The vessel shall be fitted with painted-on draft marks as well as the name and hailing port using black paint and appropriately sized letters. Port and starboard name boards shall be made of mahogany, varnished, and gold painted, routed letters. 3.9
The Main and raised foredeck bulwarks shall be fitted with a mahogany cap, fastened to a stainless steel flat bar, welded to the bulwark plate. Second and Third Decks aft shall also be fitted with wood caps on stand off on the stainless steel bulwark cap (see drawing). Handrails for stairs shall be stainless steel tubing (interior and exterior). Portable railings shall be fitted around the swim platform. They shall be 316L, 2” diameter stainless steel tubing. 3.10
The main Deck and the swim platform shall be covered with teak. Along the perimeter, outside, the Builder shall install a 3/16 stainless steel flat bar, to edge the teak. The “gutter” shall be properly drained. The teak installation shall be by the material supplier or his representation. 3.11
Builder shall install an approximately 12’ long by 30” wide passerelle. Stowage shall be provided by the Builder, under the Main Deck. Allow $75,000 as an allowance for the passerelle and the storage chamber. The passarelle shall be electro-hydraulically operated. 3.12
The Builder shall supply and install a 24”x36” steel top work bench, complete with a drawer and a 4” vise, located in the Engine Room. 3.13
Builder shall furnish and install a fire axe, ring buoys with and without water lights, life jackets, EPIRB and as may be required by the MCA and/or the flag state.
The vessel shall be fitted with two masts. The foremast shall be of built-up steel construction. It shall support a crow’s nest and foundations for lights and electronic equipment as shown on the Outboard Profile. Pre-stressed stainless steel wire stays, complete with stainless steel turnbuckles, thimbles, etc. shall stabilize the mast. An aluminum mast as shown on the Outboard Profile shall be constructed of aluminum and welded to the sun deck. It shall be free standing and support navigation lights, two radars, a flag halyard, communication equipment, and four down floodlights. Both masts shall be faired using the microballoon process. 3.15
− Use single source paint company, Awlgrip or equal
− Follow manufacturer’s specifications
− Get manufacturer’s representative to inspect pain job
− Hull bottom: blast to SSPC-SP10 plus two coats of primer and two coast of A.F, 24” stripe
− Hull interior: blast to SSPC-SP10 plus two coats of A.C. primer
− Hull from 7’-0” w.l. np: blast to SSPC-SP10 plus one coat of epoxy primer and microballoon
− After fairing: one coat of high build epoxy primer plus two coats of polyurethane of finish
− All superstructure aluminum to be sanded plus one coat of epoxy primer plus microballoon
epoxy compounds fairing plus one coat of epoxy primer plus two coats of polyurethane finish coats
− Steel decks: blast to SSPC-SP10 plus two coats of epoxy primer plus two coats of non-skid
− Aluminum decks: same as steel, except for sanding instead of blasting 3.16
The yacht’s insulation system shall be a combination thermal/fire/acoustical one as specified by Soundown. All materials shall be Soundown furnished and Builder installed. Insulation materials shall meet MCA requirements. Special attention shall be given to insulating soles, engine room bulkheads, steel and aluminum decks, hull sides above the W.L., etc.
The bowthruster, the stabilizers, and the anchor windlasses shall be hydraulically powered by a common system, to be designed by the equipment manufacturer. The main engines shall provide the necessary power suing front PTO’s. All hydraulic piping shall be ASTM A-249 tubing. 4.2
Each tank (three total) shall have their own 2” fill line from both the port and starboard side. Filling shall be by gravity. Day tanks shall be filled using the transfer pump. 4.3
Each tank shall have its own combination vent/overflow. The 1-1/2” pipes shall terminate in a container, built into the house side. Exposed pipes shall be 316L stainless steel. Sounds shall terminate under the sole. 4.4
The fuel oil transfer system shall facilitate the transfer from any tank to any other tank using a 2 HP gear type transfer pump. The transfer system shall also include a flow meter, an oily water separator, and a hand operated fuel oil pump. An Alpha Laval fuel oil polishing system shall also be installed. 4.5
All engines shall take a suction from one of the storage tanks, designated the day tank. All engines shall return to the same tank. Supply and return shall be complete with approved filters, hoses, manifolds, isolation valves, etc. Filters shall be Racor or equal. 4.6
The following materials may be used for the various piping systems installed in the vessel:
All pipes shall be properly supported, tested, and drained. Drains shall be installed where necessary for system drainage. 4.7
The system shall consist of a complete hot and cold water system. The hot water shall be of the circulating type. Hot water lines shall be insulated. Four 40-gal. hot water heaters shall be installed. Water shall be stored in two double-bottom tanks. Two 1000-gpd water makers shall be installed together with a 50-micron cartridge filter and an ultra violet sterilization unit. Activated carbon filters shall be installed in each galley and bar. Tanks shall be sandblasted and painted with a USDH approved paint system, three coats minimum. A hose shall be supplied in the engine room for the filling of all engine expansion tanks. 4.8
Tanks shall be filled by gravity from both port and starboard sides. The vents shall be located near the fills. Exposed vent and fills shall be 316L stainless steel pipe. 4.9
Hose connections with valves shall be located to allow complete wash down of the yacht using 50’ hoses. One 50’ hose shall be stored in the engine room on a portable rack. The wash down system shall be of the high pressure system with hot and cold water feed.
The Builder shall fabricate four engine cooling expansion tanks, 10-gal. for main engines and 4-gal. for generator engines. Tanks shall have a vent, fill, drain, supply, and sight glass. They shall be galvanized after fabrication. 4.11
Install a complete bilge system consisting of 2” suction lines, and 4” header. Non-return valves shall be installed at the suctions and the header. The bilge pump shall be a 5 HP FLOMAX, rated at 70 GPM. The fire pump, or standby bilge pump shall be the same. The pumps shall discharge either overboard or via the fire piping system to the fire stations (six total) are to be fitted with 50’ hoses with nozzles, stored in yacht quality racks. Spray rings to clean the anchor chain shall be installed. The chain lockers shall drain overboard. An emergency bilge suction shall be installed in the engine room and lead directly to the fire pump. Pumps shall have strainers on the suction side. 4.12
A high and a low seachest (12”) shall be located in opposite sides in the engine room. They shall be connected by a 10” sch. 80 crossover pipe. Branch lines from the crossover shall lead to the engine cooling systems, the fire pump, the AC cooling system, and the water makers. A lug-type butterfly valve shall be located near each seachest. Branch lines shall be fitted with duplex strainers. Seachests shall be fitted with valved vents and fittings for compressed air blow down. 4.13
The clean lube oil tank shall be filled through the Main Deck fill line. A 1/2” hose shall distribute the oil to each engine by gravity. The tank shall be fitted with a vent and a sight glass. A portable pump with 20’ of hose shall suck the dirty oil out of the engine sumps and discharge it into the dirty oil tank. Emptying this tank shall be by cans, filled in the engine room and carried off the vessel. The tanks shall be fitted with a drain, a fill, a vent, and a sight glass. 4.14
Deck drains shall be installed to remove rain water. Deck penetrations shall be stainless steel and have strainers. They shall be combined where possible and led through the hull at the waterline.
Install in the engine room a 150 PSI, two stage, 3 HP air compressor. The compressor shall be mounted on a 25-gal. tank, ASME coded. Compressed air outlets shall be in the engine room (see seachest breakdown), at the boat storage area, and to the COL Regulation required air horn (Kahlenberg D-1). 4.16
The main engines shall have a dry exhaust system leading up through trunks and exiting through exhaust stacks port and starboard. D’Angelo shall design the system and furnish any specialized components. Sound abatement originating from the pipes through the trunks shall be minimized using Soundown’s design and specialized components and materials. The generator engines shall exhaust through the hull side using a wet exhaust system as designed by D’Angelo. Specialty components such as lift mufflers shall be supplied by D’Angelo. D’Angelo shall furnish exhaust system drawings of suitable quality for submittal to the ABS by D&L, Inc. 4.17
Major components are: − Integral black water tank
− Deck fittings (stainless steel) for pump-out
− Headhunter sewage treatment plant with discharge pump The system shall be complete with vents, leading to the top of one of the stacks and charcoal activated odor control equipment. 4.18
Major components are: − Integral grey water tank
− Overboard discharge pump, Headhunter 20 GPM “Bone Dry” with high and low level
− Plumbing from sink, shower, tub, interior deck drains, and galley sinks should lead to tank
The electrical system is 208V, 3-phase, and 4-wire. Two 80kW generators shall provide electrical power in a non-paralleling mode. Shore power shall be provided by three 100 amp, 208V, 3-phase connectors, located approximately midship port and starboard on the Main Deck and aft on the Main Deck. The Builder shall provide the vessel with one 50’ long shore power cable with the male shore power connector at one end and lugs on the other. Shore power shall be 4-wire. Furnish and install two Glendenning 100-amp cable mater reels. 5.2
The shore power connections shall both lend to an Asea model AC 75-3/dual shore cord option. It shall be installed in the engine room and will be rated for 50ºC. 5.3
The switchboard shall be of the dead-front type. It shall be freestanding, have dual access, a drip shield, and a wooden front handrail. It shall be ABS certified. The board shall contain generator and shore power breakers, a slide bar, a ground detection module, and instrumentation as required by the ABS. It shall also contain distribution breakers for steering motors, Delta T ventilation, the main power panel, the main lighting panel, and the ventilation panel. The board shall be constructed to withstand normal shipboard vibration. 5.4
Panel P-1, located in the engine room contains breakers for the following services: − Water maker #1
− Stabilizer hydraulic cooling pump #1
− Stabilizer hydraulic cooling pump #2
− Oily water separator Panel P-2 , located in the engine room, contains breakers for the following services: − Sewage treatment plant
− Crane Panel L-1, located in the engine room contains breakers for the following services: − Lazarette panel
− Pilothouse panel The lighting panels are fitted with breakers for lights, receptacles, and other miscellaneous circuits, such as bar equipment, T.V., small hot water heaters, etc. 5.5
Emergency lighting shall be provided throughout the vessel. Emergency lights shall consist of twelve LED bulbs per light. Emergency systems shall activate automatically when the generators fail. 5.6
All equipment that moves air shall be powered from panel V-1, located in the engine room. The breaker in the switchboard can be opened from the pilothouse. This includes air handlers, ventilation fans, galley hood, etc.
All pumps, fans, etc. shall be started using suitable sized motor controllers. Equipment such as stoves, washers, dryers, galley equipment, etc. shall have disconnects. For small loads, switches may suffice. 5.8
All wiring shall be marine type as manufactured by L.F. Gaubert or equal. All cables shall be tinned stranded copper and PVC/nylon insulated. Where flexibility becomes an issue, Polyrad-XL may be used. All cables shall be properly secured and identified with tags at both ends. 5.9
Except for the engine room, where commercial ABS approved fixtures may be used, all other lighting fixtures, exterior or interior, shall be selected and furnished by Owner. 5.10
A 24 volt telephone system shall be installed. Power is from the emergency battery set. Each stateroom, public space, workspace, engine room, and pilothouse shall be fitted with a telephone. A connection to the shore system shall be provided. 5.11
A public address system, originating from the pilothouse, shall be provided. Speakers shall override normal noise levels. The system shall be 24V D.C. powered from the emergency batteries. 5.12
The Builder shall furnish and install a general alarm system in compliance with the ABS and MCA. The system shall be powered by the 24V D.C. emergency batteries.
A bilge alarm system, in accordance with the ABS and MCA, shall be furnished and installed. Indicators and alarms shall be in the pilothouse. 5.14
Install zinc anodes of quantities and sizes as recommended by the manufacturer. Fasten with 316L stainless steel bolts.
The main propulsion engines shall be CAT 3406(E)’s, rated at 600 BHP @ 2100 RPM. They shall be mounted on vibration isolators and connected to a Reintjes model WAF 344 gear with a 4.053:1 reduction with a double ratio coupling. The gear shall be isolated from the ship’s structure. Sounds and vibration isolation shall be by Soundown. Engines shall be keel cooled. Exhaust shall be dry. 6.2
Main engine controls shall be located in the engine room, on the pilothouse console, and on the bridge wings. They shall consist of throttle and gear controls, engine RPM’s, lube oil pressure, and jacket water temperature. Use Glendenning controls for engines. Generator engine controls shall consist of engine room and pilothouse mounted volt, amp, and frequency meters. 6.3
Shafts shall be 3-1/2” diameter Aquamet 22 or as required by ABS. Cutless bearings (two per side) shall be bronze shell, set in chockfast. Stern tube shall have 1” wall. Stuffing box shall be Johnson Fig. 1795 with forced water for bearing cooling. Propellers shall be 5-bladed, 0.80 DAR, approximately 50” diameter, bronze, by Rolls Royce. 6.4
The vessel shall be fitted with two Northern Lights 90kW generator sets. The units shall be soft mounted and fitted with a sound shield. The sound shields shall be fitted with independent fixed firefighting systems (Halon or CO2) The engines shall be fitted with wet exhausts.
All engines shall be electrically started using 24V battery sets (four total). Two dual output LaMarche battery chargers shall charge the batteries. 6.6
The steering system shall be by Jastram. Controls shall be in the pilothouse and on the wing stations. Rudder angle indicators shall be included. The main control panel shall the pilothouse. 6.7
Rudders shall be approximately 4’ by 4’, streamlined, and balanced. Rudder stocks are 5” Aquamet 17, one piece, supported at the top by Thordon Bearings. Bottom supports are from the skegs. Tillers and jockey bars connect the two rudders. Access is to be provided in the cabin floor to service the rudder supports. Maximum rudder angle is to be 35º. Rudders shall be fitted with fill and drain plugs to accommodate interior preservation by flushing. 6.8
The Builder shall supply and install one 75 HP hydraulically driven, dual prop bow thruster, as shown on the Profile. The Owner reserves the right to approve the system. 6.9
The builder shall supply and install one set of active, hydraulically operated stabilizers. The manufacturer shall size the stabilizers based on a speed of 13 knots, a displacement of 250 LT, and a GM of 6’. Three control stations are required. 6.10
The engine room shall be protected by five 100 lb. CO2 bottles, stored in the compartment aft of the engine room. The CO2 quantity shall be verified by the fire fighting equipment supplier. Engine room air intakes shall automatically be closed upon CO2 system discharge.
The air conditioning system shall be sized and designed by Cruise Air or equivalent. The capacity shall be based on maintaining an inside temperature of 70ºF with a relative humidity of 50%, with an outside air temperature of 100ºF with a relative humidity of 95% and a seawater temperature 95ºF. In winter, using a combination of reverse cycle and electric heat at a 75ºF temperature with 50 R.H. must be maintained when the outside temperature is 15ºF and the seawater temperature is 27ºF. Fresh air shall be introduced to provide one complete air change per ten minutes. All air handlers shall be locally controlled. The A.C. company shall work with A.I. in order to provide an unobtrusive system of air handlers, grilles, etc. The compressor unit shall be located in the engine room. Its capacity, subject to final design, will be approximately 25 tons. The saltwater cooling water circulating pump shall be or corrosion resistant materials and be mounted near the chiller. The sound load of the air handlers shall not exceed 55 decibels. 7.2
The Delta T system shall be designed and furnished by Delta T and consist of the following basic components: − (2) axial fans
− (1) fan speed control system The engine room blowers shall have a remote shutdown in the pilothouse.
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Purchasing Process for ZEST DARWIN Registration 1. Fill in attached Property Registration Form at the end of this document, and 2. Nominate your preferred unit. 3. Confirm price as noted on by RFS/Agent. 4. Fill in personal and other details and su or Agent Submit Initial Cash Deposit at a Minimum of $1,000.00 Into Legal Trust with; Tsoukalis Lawyers Trust Account National Austral