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1. GENERAL SPECIFICATION
1.1 INTENT This specification together with the attached General Arrangement drawing C4173E/G-1, Rev 1 is intended to describe the construction of a twin screw Anchor Handling Tug / Supply Vessel completely outfitted and equipped for rescue, offshore supply and other related duties. The Vessel will be classed as an Anchor Handling Tug/Supply Vessel for Unrestricted Service. The Anchor Handling Tug / Supply Vessel is to tow, supply, support and act in the capacity of a support vessel for offshore drilling and workover rigs in the operational areas of the Arabian Gulf on a twenty-four (24) hour per day basis. Vessel shall be capable of operating in all seas and weather conditions which may occur in the Arabian Gulf and South East Asian regions. Vessel may be utilized for any duties within the capabilities of the vessel. The following terms will be used in the following specification:- Owner : Builder : Bina Marine Pte Ltd / PT Marcopolo Shipyard Yard No. : H-038 / H-039 Classification : American Bureau of Shipping Consultant : Conan Wu & Associates Pte Ltd Flag : Singapore
1.2 OPERATIONAL REQUIREMENTS The twin screw Anchor Handling Tug / Supply vessel is for operation in Unrestricted waters and is designed for multi-purpose roles which, for guidance purposes, are as follows:- a) Transport fresh water, diesel oil, bulk cement, liquid mud, brine, stores, materials and equipment. b) Tow/move drilling and workover safety rigs c) Anchor handling duties d) Move men and materials between platforms and shore e) Evacuate casualties Operation to be 24 hours per day continuous operation, capable of remaining on station for a minimum of 15 days. Good manoeuvrability and station keeping is to be achieved by using twin controllable pitch propellers, twin rudders and transverse bow & stern thruster. Twin manoeuvring consoles shall be fitted in the wheelhouse stations, forward and aft. The wheelhouse is designed to ensure excellent all-round view as far as practicable. Unobstructed view to the tow winch, aft deck and aft overhead is ensured by fitting low level and deckhead windows. The accommodation to be well appointed and centrally air-conditioned.
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The main propulsion engines are two medium speed heavy-duty marine diesel engines. The following drawing is to be read in conjunction with this Specification:- Drawing No. C4173E/G-1 "General Arrangement". All documents shall be in the English Language.
1.3 PRINCIPAL PARTICULARS Length overall (moulded hull) : 60.00m Length W.L. : 58.70m Breadth moulded : 16.00m Depth moulded : 6.00m Draft (designed) : 4.80m Draft (scantling) : 5.10m Deck camber (main deck) : Nil Cargo Deck Area (Approx) : 360 m2 Speed 12.5 knots Bollard Pull 60 tons Endurance 15 days GRT 1700t (approx.)
Tank Capacities With tanks 100% full, the approx. capacities will be as follows:- Potable water, total : 450 m3 (approx) Fuel Oil, total : 500 m3 (approx) Drill water/water ballast total : 400 m3 (approx) Liquid Mud : 485 m3 (approx) L.O. Storage : 6 m3 (approx) Dry Bulk Cargo Tank (4 nos.) : 165 m3 (approx) Bilge Holding Tank : 10 m3 (approx) Dirty Bilge Tank : 10 m3 (approx) Sewage Holding Tank : 10 m3 (approx) Base Oil/Brine : 250 m3 (approx) Dispersant : 20 m3 (approx) Foam : 20 m3 (approx)
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Complement and Accommodation 4 x 1-berth cabins : 4 men 5 x 2-berth cabins : 10 men 3 x 4-berth cabins : 12 men Total Complement : 26 men ======Sickbay : 1 x single berth
1.4 CLASSIFICATION The vessel is to be registered as an Anchor Handling Tug / Supply Vessel and is to be constructed, machinery installed and equipment and spare gear provided in accordance with the Rules and Regulations of ABS hereinafter referred to as "Classification" for International voyages and to their special survey to hull and machinery with notation ABS +A1 (E) Fi-Fi Class 1 “Towing and Anchor Handling Services” +AMS + DP1.
1.5 REGISTRY Singapore.
1.6 RULES AND REGULATIONS The vessel is to be built to the standard of the Statutory Regulations for this type of vessel and to the following regulations: - International Regulations for Preventing Collisions at Sea, 1972, latest edition. - SOLAS 1974, protocols plus latest amendments as relevant - International Loadline Convention 1966 - IMO Stability Guideline, A469 - MARPOL 73/78 (Facts of compliance Annex IV and V) - Radio Communication Regulations to Government Regulations for GMDSS (Area 3) standard - International Tonnage Admeasurement 1969 - Australian Standard Recommended Noise Levels for various areas of occupancy in vessels and offshore mobile platforms AS2254-1988 / Noise level Guidelines as per IMO resolution A468 (XII). - ILO Convention concerning crew accommodation (ILO 92) - IEC Pubilcation No. 92 – Electrical Installation in Ship - IMO Resolution A749 for Intact Stability
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1.7 CERTIFICATES The following certificates will be supplied at time of delivery:- - Builder's Certificate - Classification Certificates for Hull and Machinery (Interim) - Cargo Ship Safety Construction Certificate (Interim) - Cargo Ship Safety Equipment Certificate - International Loadline Certificate - MARPOL 1973 and Protocol 1978, Statement of Facts - Cargo Ship Safety Radio Certificate (Interim) - Safety Radio Telephony Certificate - International Tonnage 1969 Certificate (Interim) - Deratisation Certificate - Bollard Pull Certificate - Fi-Fi One Certificate - IOPP Certificate - All other Certificates as required by Classification The Seller is to pay all Classification fees and dues up to the time that the vessel is delivered to the Buyer.
1.8 DEADWEIGHT The vessel is to be capable of carrying a total deadweight of about 1300 tonnes at Summer Load Line draft i.e 4.8m.
1.9 ENDURANCE The vessel shall have an endurance of about 15 days and a cruising range of about 4500 nautical miles at about 12.5 knots cruising speed.
1.10 SPEED AND BOLLARD PULL Speed and bollard pull are to be assessed during performance trials. The vessel is to demonstrate a speed of approx. 12.5 knots at a mean draft of about 4.8m , and a minimum of 60 tonnes bollard pull in the ahead condition. The main engines are to develop their 100% MCR continuous rated brake horsepower for the free running speed and bollard pull trials. During the bollard pull trials, adequate propeller immersion is to be ensured. The tow rope length, clear of the stern, shall be at least two times the length of the vessel. Free running speed shall be measured over an approved GPS system at maximum engine 100% MCR power, in deep waters and wind conditions not exceeding Beaufort 2.
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1.11 ENVIRONMENTAL CONDITIONS The vessel, plant, machinery and equipment, their components and related systems shall be entirely suitable for service under the following conditions: Ambient air temperature : 45 deg C (max) 10 deg C (min) Relative humidity : 95 (max) 0% (min) Sea water temperature : 38 deg C (max) 15 deg C (min)
1.12 OPERATING CONDITIONS AT SEA The vessel shall be capable of operating in the following max sea conditions. Wind Velocity : 18m/sec (35 knots) approx Wave Height : 2.5m (8.2 ft) approx Current Velocity : 1.5m/sec (3 knots) approx Wave Period : 10 sec approx
1.13 TRIM AND STABILITY The vessel is to have sufficient positive stability in normal conditions of loading to comply with the standards as recommended by the Authorities. The results of the inclining experiment are to be used in the preparation of a comprehensive Trim and Stability Book for the use of ship's officers. The stability data is to include loading conditions sufficient to cover normal operating roles. The completed Trim and Stability Book is to be submitted to the Regulatory Authorities for approval.
1.14 MATERIALS AND WORKMANSHIP Materials and workmanship are to be of good shipbuilding standard and quality. Steel plates, sections, hull forgings and castings are to be to Classification requirements. Test certificates, where required by Classification, will be provided. Smithwork or fabricated fittings to be of neat design, strong, smooth and free from defects. Castings to be of good quality, close grained, and free from all cracks, blow holes and other defects.
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Steel castings are to be manufactured to Classification requirements and approval. Anchor cables, fastenings, davits, shackles rigging, heavy gear handling equipment, winch cables, fittings to be made in accordance with the requirements of Classification/Statutory body. Electric fittings on exposed decks to be weather proof. Woods used to be suitable for the intended purpose and of a good quality. Timber to be impregnated against rot and free from odour.
1.15 WELDING The vessel is to be of all welded construction. Welding of frames, beams and stiffeners throughout the bilge and tanks to be continuous, otherwise intermittent welding in accordance with Classification requirements. Temporary lugs are to be burnt off and the rags flushed. External stiffeners exposed to the weather to be continuously welded.
1.16 TESTING Tanks complete with all fittings and piping are to be tested under water or air pressure to Classification requirements prior to painting in way of welds. Decks, flats, shell, bulkheads, etc to be water flooded or hose tested, as required by Classification.
1.17 DOCK TRIALS Dock trials are to be carried out in accordance with a programme agreed between Seller and the Buyer, to check operation of machinery. Propulsion machinery, engine room auxiliary machinery, and deck machinery is to be tested. Pipeline systems and ventilating systems are to be tested.
1.18 SEA TRIALS Sea trials are to be carried out after dock trials and in accordance with a programme agreed with the Classification Society. During sea trials, the vessel is to be under the command of a Master nominated by the Seller, who will also supply the necessary crew. Oil fuel, lubricating oil, fresh water, pilotage, tugs and dues for the trials are to be paid for by the Seller. The diesel fuel oil and lubricating oil, remaining on board after trials will be taken over by Buyer and paid for at current rates. The compasses are to be adjusted during the trials.
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With the vessel under full headway and the engines running at their full revolutions, the propeller is to be reversed to full astern. After the vessel has reached full stern way and with engines running at their full revolutions, the propellers are to be reversed to full ahead, and the vessel is to run until the output of the engine has reached full headway. During this trial, the rudder is to be kept amidship. The course, time and distances for these manoeuvres are to be recorded. A full power continuous endurance trial is to be carried out for a period of not less than four hours. Throughout the period readings of pressures and temperatures are to be taken at thirty minute intervals. Steering gear trials are to be carried out, in accordance with Classification Society requirements. The time taken to move the rudder and the rudder angle is to be recorded. The rudder is to be moved to the hard-over-position with vessel under full headway and held until the vessel has made more than one complete circle. The time to turn through 360 degrees and the diameter of the turning circle are to be recorded. The test is to be repeated with the helm hard-over in the opposite direction. Anchor trials are to be carried out in accordance with Classification requirements. The Bow and Stern Thruster units are to be tested. Speed and static bollard pull tests at a range of power settings are to be made and to include one test to demonstrate that the specified speed and tow rope pull is obtained when the engines are developing their maximum continuous rated power. The bollard pull is to be measured by a certified dynamometer and witnessed by ABS. All data and records obtained during the trials to be analysed, tabulated and delivered to the Buyer in a Trials Report. DP1 system is to be tested. DPS Trials are to be carried out with engine, c/w main propulsion, rudder, bow and stern thruster units, etc. at 100% MCR condition. And all the system operation and performance to be follow/ comply with Owner/ Classification requirement and satisfaction. Sound level reading in dh(a) be taken in various compartments of the vessel at 85% MCR without the bow & stern thrusters running condition.
1.19 INCLINING EXPERIMENT Before sea trials, and with the vessel in as complete a condition as possible, an inclining experiment is to be carried out to ascertain the lightship displacement and centre of gravity. For more than one vessel of the same class, the inclining experiment is to be carried out for the first vessel only. However, a draft survey is to be carried out on subsequent vessels. A report on the inclining experiment is to be supplied to the Buyer.
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1.20 DRAWINGS One (1) print of the following sets of plans together with one CD-ROM of the plans will be provided. - General Arrangement - Main Hull Structure - W.T. Transverse + Longitudinal Bulkheads - Shell Expansion - Forecastle Structure - Deckhouse Structure - Funnels - Main Engine Girders - Rudder Construction - Nozzle and 'A' Bracket Design - Arrangement of Sea Chest - Schematic Piping Diagrams - Electrical Load Analysis - Electrical One-Line Diagram - General Lighting Plans - Engine Room Arrangement - Propeller Design and Drawing - Shafting Layout - Capacity Plan/Sounding Tables - Tailshaft and Sterntube - Hydrostatic Curves / Bonjean Curves - Cross Curves of Stability (KN Curves Free Trim) - Stern Anchor Roller Construction - Layout of Engine Room and B.T. Room Ventilation - Dry Bulk Cargo Piping System and Layout - Docking Plan - Safety Plan
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- Three (3) sets of all instruction books and three copies of spare parts catalogues in English supplied by the various machinery and equipment suppliers shall also be provided at time of delivery of the vessel.
1.21 FRAMED UP PLANS The following plans properly framed and glazed shall be fitted on board:- - General Arrangement Plan (Deadweight scale) - Capacity Plan - Safety Plan - Bilge and Ballast Plans - Certificates as and if required by relevant authorities
1.22 DELIVERY Delivery of the vessel is to be taken afloat adjacent to the Builder’s yard.
1.23 SPARE GEAR Builder is to provide spare parts as per Manufacturers’ standard and/or to Classification requirement.
1.24 MANUALS Two (2) sets of Manufacturer's manuals of all machinery and equipment in the English Language are to be supplied by the Builder.
1.25 PRACTICE Any modifications or changes required by Classification Society not mentioned in the specification shall be modified and installed at no extra cost to the Owner.
1.26 CHANGE OF EQUIPMENT If for any reason the Seller or Buyer wishes to change brand of equipments, components and materials, etc, both parties are to mutually agree first and any differences in prices, if any, are to be adjusted in the contract price, in accordance with the terms and conditions of the contract.
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2. HULL SPECIFICATION
2.1 HULL STRUCTURE Structural drawings as per Class requirements are to be submitted for approval. Increased scantlings above Classification requirements are to be fitted where specified. Structural scantlings as shown below are for guidance only and are subject to Class requirement and approval.
2.2 KEEL A flat plate keel of 16mm thick is to be fitted, connected throughout the length to the centre girder. It is to be tapered at the forward end to the stem bar and connected to the aft centreline skeg.
2.3 STEM The stem below the waterline is to be formed by a rectangular mild steel bar. It is to be well-scraped at the ends to the keel plate and the upper stem plating. Above the waterline, the stem is to be formed by a raked and radiused plate. The stem plate is to be stiffened by webs and breasthooks.
2.4 SKEG A double plate skeg is to be fitted on the centreline aft and set forward of the propellers as shown on the General Arrangement. Provision is to be made to ensure internal drainage to the docking plugs. Upon completion the skeg is to be filled with bitumen solution or equal and drained.
2.5 DOUBLE BOTTOM AND SKIN Double bottom and double skin in way of machinery compartments is to be fitted as shown on the General Arrangement Plan.
2.6 SHELL PLATING The bottom and side shell plating to be longitudinally plated and to have welded butts and seams and have the following thickness: Bottom : 12mm and 16mm Side : 10mm Shear strake: 1200 x 14mm
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2.7 RUDDERS AND RUDDER TRUNKS - BECKER Two (2) high lift type rudders with bottom pintles are to be fitted. The rudders are to be watertight streamlined, double plate type, fabricated of mild steel, with internal horizontal plate frames. Suitable lifting arrangements are to be incorporated and filling and drain plus fitted. The plate frames to have limber holes to ensure internal drainage. The rudders are to be filled with bituminous or equal solution and drained. A lifting eye and a jumping ring to be fitted to each rudder stock. The rudder stock is to be of forged steel. The rudder trunk is to be tubular steel, with a heavy top plate to take the steering gear and watertight gland. A heavy steel boss to be incorporated at the lower end of the trunk and fitted with approved type bearing. The bearing and stock to be designed to take the full side load of the rudder. The rudder bearing is to be water lubricated.
2.8 CARGO RAILS Cargo rails made of 10" N.B., Sch. 40 pipes are to be fitted longitudinally along the main deck, H- beam stanchions @ 2400mm apart. Transverse web rings at suitable spacing connecting cargo rail and bulwark are to be provided to protect the cargo piping and safe route.
2.9 MANHOLES All manholes are to be elongated shape with stainless steel studs and nuts. In way of accommodation, they are to be of recessed type with flush wooden covers to match deck level. In engine room and main deck, they are to be "raised" type. Manhole studs and nuts are to be of SUS 304.
2.10 DRAFT MARKS Draft marks are to be in metric P+S forward and aft and amidships as per the relevant regulations.
2.11 BILGE KEELS One (1) bilge keel P&S, made of 300 x 12 plate with 25mm dia. R.B. to be fitted on the bilge strake between the chines on doublers.
2.12 FENDERS Doubler steel fendering 300m x 25mm thick is to be welded to shell at main deck and forecastle deck as shown on General Arrangement Plan, P+S.
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2.13 WATERTIGHT BULKHEADS The vessel is to be subdivided by transverse and longitudinal watertight bulkheads as shown on the General Arrangement Plan. Stiffeners to be spaced to suit deck longitudinal and bottom structure with bracket at each end.
2.14 WATERTIGHT DOORS AND HATCHES Hand operated watertight doors with clear opening of 1400mm high by 750mm wide are to be fitted as shown on the General Arrangement Plan. They are to be capable of manually controlled, from each side of the bulkhead. Watertight hatches are to be fitted on the main deck between bulkhead and cargo rail and one on fore deck, as shown on the General Arrangement Plan. All coamings are to be as per Loadline Regulations. Lids to be capable of being opened and closed from inside and outside. Watertight door and hatches are to be fabricated.
2.15 MAIN DECK The main deck is to be transversely framed and supported by deck girders and deep transverses. The deck plating aft of the superstructure is to be 12mm thick and to take uniformly distributed load of 5 tonnes/m2, 20mm thick plate to be installed at Fr. 15 to stern and 3.5m from centreline P&S. Elsewhere the deck plating is to be to Classification requirements. The deck plating is to be welded direct to the shell. The cargo deck, inside the line of the cargo rails, to be covered with 50mm thick local hardwood laid fore and aft. The timber to be retained by steel bars spaced approximately 2400mm apart, all as shown on the General Arrangement drawing. An engine room access hatch, approx. 1.5m x 1.5m, shall be fitted.
2.16 FORECASTLE DECK Forecastle deck to be transversely framed and supported by girders. To have increased scantlings in way of deck machinery.
2.17 DECKHOUSE AND MINOR BULKHEADS Deckhouses to be transversely framed. Scantlings to Classification requirements. Deckhouses to be welded direct to deck. Steel minor bulkheads to be fitted around following accommodation compartments : - toilets - laundry - galley
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- AHU room - stores - freezer and chiller rooms
2.18 BULWARKS Bulwarks at main deck level to be 1000m high extending from corners of transom to aft of forecastle. Plating to be 8mm thick with 150mm x 12mm top bar. Bulwark stays welded direct to deck.. Aft bulwark top to be formed by 300 N.B. schedule 80 seamless pipe, carefully shaped to slope down to stern roller facilitating smooth surface for guidance of tow wire. Cargo rails aft to be carefully faired down to main deck. Stowage fittings are to be arranged for the rig discharge hoses as required. Freeing ports to be arranged in main deck bulwarks with area to Classification requirements. All transitions in the bulwark top are to be made as smooth as possible to avoid snagging the tow line. Upper forecastle bulwark rail bar to be 125mm F.B. or equivalent. Freeing ports to be cut in upper forecastle bulwarks, as required. Doubling plates to be fitted under bulwark stanchion feet and in way of mooring pipes, etc. Cast steel mooring pipes to be fitted as shown on General Arrangement Plan.
2.19 FUNNELS Twin funnel uptakes to be arranged as shown on the General Arrangement Plan to accommodate the exhausts. Funnels to serve as engine room hot air exhaust.
2.20 MASTS The main mast is to be fitted with brackets for the navigation lights. Small portable tubular pole mast to be arranged at stern to carry the anchor stern lights. Masts to have rungs carried to top, arranged for access to light trays and necessary fittings. Blocks for aerials, yard arms and ensign staff to be fitted and sheaves for signal flags and shape hoists to be arranged on masts, as required. The Buyer will assist the Seller to apply for exemption of the fwd mast .
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2.21 RAILS AND STANCHIONS To be fitted around wheelhouse top, bridge deck, forecastle deck and elsewhere, as indicated on General Arrangement Plan. To be fitted to ladderways and around ladderway openings. Storm rails of 32mm diameter plastic cover pipe or stainless pipe inside accommodation spaces to be provided. Hand grips to be fitted in way of W.C.'s and showers and where required in way of manholes and vertical ladders. Top rails to be 32mm galvanised pipe, middle and bottom rails to be 19mm diameter solid rod. Stanchions to be 65mm x 9mm flat bar, spaced approximately 1800mm and welded to deck. Stanchions and rails i.w.o. of magnetic compass to be stainless steel.
2.22 CHAIN LOCKERS AND PIPES Two (2) chain lockers are to be constructed at aft of collision bulkhead. The capacity of each locker is to be sufficient to stow specified length of chain cables. The cables to be self-stowing. The lockers to be formed by steel bulkheads, with solid half round stiffeners. Floor of the locker is to be perforated steel plate made portable. Bitter-ends to be fitted for securing the cable ends. Foot holes are to be cut in the centre division adjacent to the access opening which is to be fitted with a watertight manhole cover. Chain pipes and hawse pipes to be of welded steel construction designed to give easy stowage of the anchors and cables. A permanent flushing arrangement to be provided in the hawse pipes for cleaning the anchor cables.
2.23 SEATINGS Main engine and auxiliary engine seating are to be built by the Builder but are to be submitted to Buyer and engine makers for their approval. Suitable chockfast pourable resin, holding down bolts and/or fitted bolts are to be provided and carefully fitted as required for all items of machinery.
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3. ACCOMMODATION SPECIFICATION
3.1 GENERAL The accommodation is to be arranged and fitted on to in accordance with general arrangement drawing. The arrangement to meet fully with statutory and maritime requirement and in accordance with International Labor Organization (ILO) Convention 92, Supplement 133 and Recommendation 140. Colour scheme of panel and decoration materials such as fabrics, deck covering and etc. are to be submitted to the owner for approval prior to purchase.
All fixed and loose furniture, curtains, spring mattress of 150mm thick, pillows and pillow cases, bed sheet and etc. as described in the following specifications are to be supplied and fitted by the Builder. All lockers in accommodation to be full height lockable c/w hanger for personal effects and clothing.
1) Minor Bulkhead & Lining All steel minor bulkhead in accommodation area and engine control room to be lined with soft core marine panel, excluding the toilet and laundry. Galley lining to be stainless steel 304 finished with wet panel system deck to deck. Cabin and other accommodation area to meet SOLAS and sound requirement.
2) Ceiling All ceiling to be steel strip ceiling in accommodation area, toilet and store to be in soft core laminated marine board to meet SOLAS requirement, if necessary.
3) Cabin Door All internal doors include WTD back-out door to be steel marine door in baked enamel painted finish. Door hinge and equal lock set in stainless steel finish, lock c/w master key system (3 master keys to be provided).
4) Deck Covering Steel decks are to be thoroughly cleaned and mastic coated before the installation of deck covering which are to be laid under all furniture includes the built in safety treads.
Wheelhouse top and exterior deck : non-skid deck paint Wheelhouse internal : 2mm thick vinyl sheet (butt joint to be welded) on level floor deck composition.
Cabin, Mess room and other : 2mm thick vinyl sheet (butt joint to be accommodation area welded) on level floor deck composition.
Washroom & Galley : Homogenous tiles laid on cement with curves at skirting.
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5) Insulation All exposed steel bulkhead is to be insulated on the inside with 50mm thick x 60 kg/m3 density mineral wool behind lining.
Location: Wheelhouse side and deckhead : Main deck exposed to weather : Forecastle deck exposed to weather : Engine control room – side and deck head : AHU room, side wall and deck head – surface finished with fiberglass cloth.
Class A-60 insulation Class A-60 bulkhead to be insulated with “Rockwool” fire batts of 30mm x 2 layers of 130 kg/m3 density secured to welded 3mm diameter galvanized pin.
Class A-60 deckhead to be insulated with “Rockwool” fire batts of 40mm x 130 kg/m3 density same as bulkhead.
Location : Comply to SOLAS requirement
Seller is to ensure materials fitted on board vessel are to meet with IMO code of noise level.
3.2 WHEELHOUSE Wheelhouse to be equipped with navigational instruments and electronics as specified elsewhere. Wheelhouse windows to be arranged to give maximum visibility all round, as far as practicable. One (1) 350mm diameter heavy duty clear view screen to be fitted in window forward. Five (5) off windscreen wipers [three (3) aft and two (2) forward] to be provided. Fresh water washing to be provided at windscreen wipers. Hinged, weather-tight doors to be fitted each side of wheelhouse giving access to open bridge deck. Doors to be fitted with fixed windows. The wheelhouse to have combined steering and engine manoeuvring consoles fitted across the bridge, forward and aft. In addition to navigational and electric equipment, the following items to be supplied and fitted in the wheelhouse: - Flag lockers for one complete set of International signal flags (In addition National Flags for vessel to be provided per registration of the vessel). - Binocular box forward and aft (2 off) - Storm rails all round - Chart table with drawers under and the chronometer chest incorporated. Chart table to be provided with save-all and slit on table top edge for the charts. - One chart table lamp with dimmer - Radio table with drawers under
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- One radio table lamp with dimmer - Radio operator's clock - Two Helmsman chairs with arm rest, upholstered, adjustable in height and with foot rest, and keep lanyard - Book shelf and racks - Upholstered settee, hat pegs and coat hooks For navigational equipment, see separate clause.
3.3 CAPTAIN'S CABIN AND TOILET The Master's accommodation arranged at forward end of deckhouse on the starboard side. To comprise cabin with attached toilet compartment, fitted with the following:- - 1 built in berth, with drawers - 1 built in settee - 1 kneehole desk with drawers - 1 desk chair - 1 wardrobe - 1 small safe (for Captain's cabin only) - 1 coffee table - 1 small refrigerator - 1 book case - 1 clock - 3 hat and coat hooks - 2 rectangular windows with dead light and curtain - 4 spare power sockets, 220/1/60 - 1 waste bin Attached Toilet - 1 washbasin (hot and cold water) - 1 toilet paper holder - 1 towel hook - 1 tumbler rack - 1 water closet and grab rail - 1 shower with plastic curtains on rail, hot and cold water - 1 mirror cabinet MKT/ZY/ss/01.08.07 CONAN WU & ASSOCIATES C4173E-R1 60M ANCHOR HANDLING TUG/SUPPLY VESSEL Page 18
3.4 CHIEF ENGINEER'S CABIN AND TOILET The Chief Engineer's accommodation is to be arranged at the fore end of the deckhouse on the port side, and is to be fitted out generally as per Captain's cabin (without small safe).
3.5 ONE-MAN CABINS (2 NOS) The cabins are to be arranged on bridge deck, for Officers, and to be fitted with the following:- - 1 built in berth, with drawers under full length shelves over - 1 wardrobe - 1 built in settee - 1 kneehole desk with drawers - 1 desk chair - 1 book case - 1 clock - 2 hat and coat hooks - 4 spare power sockets, 220/1/60 - 1 rectangular window with dead light and curtain - Attached toilet same as for Captain’s cabin
3.6 TWO-MAN CABINS (5 NOS)
The cabins are to be arranged as shown on the General Arrangement Plan, each with the following:- 1 - built in wooden double berth with plywood base and drawer under with locks 2 - wardrobes 1 - table 1 - chair 1 - settee 1 - book rack 1 – rectangular window with dead light and curtain 2 - sets berth curtain rails 4 - spare power sockets, 220/1/60 Attached share toilet same as for Captain’s cabin
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3.7 FOUR-MAN CABINS (3 NOS) Cabins to be arranged as shown on the General Arrangement Drawing, each with the following:- 2 - built-in two-tier wooden berths with plywood bases and drawers under lower tier 4 - wardrobes 1 - book rack 6 - towel hooks 1 – rectangular window with dead light and curtain 4 - sets berth curtain rails 1 - waste bin 1 - table 1 - chair 1 - settee 4 - spare power sockets, 220/1/60
3.8 WASHPLACE AND TOILETS (ON FORECASTLE DECK) The crew wash place to be arranged as shown on General Arrangement Plan and fitted with the following. 2 - water closets 2 - washbasins 2 - sets shower with curtains and rails 2 - storm grab rails 6 - towel hooks 6 - hat and coat hooks 2 - toilet paper holders 2 - mirror cabinets
3.9 MESS ROOM One (1) mess room to be arranged as shown on General Arrangement Plan generally with the following. The capacity of the mess room to be sufficient for 26 persons in one seating. 5 - tables with plastic tops, fiddles, etc. 18 - chairs 2 - settees, built in
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1 - sideboard with cupboards, drawers and tumbler rack fitted. 1 - clock 4 - hat and coat hook 2 - 350mm diameter opening port lights with dead lights 2 - bread toaster 1 - domestic refrigerator 1 - hot water urn 1 - serving hatch to galley 4 - spare power sockets 1 - 29” multi-system TV 1 - DVD player
3.10 GALLEY To be arranged as shown on General Arrangement Plan and to be fitted with the following:- 1 - electric range with oven and 4 hot plates on top, with mechanical exhaust canopy over and retainer bars 1 - stainless steel double deep sink. Drainer, shelves and lockers under. Hot and cold water. 1 - dresser with cupboards and drawers under and plate rack over 1 - side board 1 - pan rack 1 - garbage bin 1 - domestic refrigerator 1 - electric blender 1 - microwave oven 1 - meat chopping block 4 - spare power sockets 220/1/60 Other loose galley equipment, such as pots, pans, cutlery, etc to be Buyer-supplied. One drinking water fountain to be provided at the passageway.
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3.11 LAUNDRY ROOM To be arranged as shown on the General Arrangement drawing. The following equipment to be provided: 1 - stainless steel washbasin with taps for hot and cold fresh water supply. 2 - washing machine (6 kg) 2 - dryer unit (6 kg) 1 - bulkhead mounted ironing board 4 - hooks to hang washing line
3.12 PROVISION AND REFRIGERATED STORES A dry provision store to be arranged near to the galley and fitted with removable galvanised steel shelves with portable retaining battens. Vessel to have following refrigerated spaces as follows:- - chiller room - 12 m3 approx. (+2oC) - freezer room - 10 m3 approx. (-20oC) These chiller/freezer rooms to be located and subdivided as shown on the General Arrangement Plan. Insulation to be fitted at sides and deckhead. Floor of high density cork finished with asphalt covered at edges or using pre-fabricated panels. Deckhead and sides to be lined with aluminium sheeting or using pre-fabricated panels. The rooms are to be fitted with galvanised hangers and hooks. Two tier SUS steel shelves with tubular supports and portable retaining battens c/w wooden grating to be fitted on floor. The chambers are to be sufficiently drained through scuppers. Adequate gutterways leading to scuppers. Man-in-fridge alarm bell to be fitted for each compartment.
3.13 STORE SPACES Linen lockers to be fitted as shown on General Arrangement. A store space at bow with access hatch from forecastle deck to be fitted with shelves and portable retaining battens for stowage of deck stores.
3.14 INTERNAL LADDERS AND STAIRWAYS Ladders to be fitted as indicated on General Arrangement Plan. All stairways, strings and treads to be of steel construction with chequered plate treads. Handrails to be of galvanised SGP pipe with intermediate rails of 19mm diameter solid round as per yard standard.
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In accommodation spaces, polished stainless steel handrails to be provided.
3.15 FURNITURE - GENERAL Furniture to be of marine plywood faced with hardwood veneer or with plastic laminate. Berths to be of wood and officers berths to have wooden leeboards. Sizes of berths to be approximately 2000mm x 900mm. Settees to be PVC upholstered with good quality foam on seats. Settee backs to be PVC upholstered with 75mm thick foam. Chairs to be fitted with arms. Wardrobes to be about 500mm square internally, built of plastic faced plywood matching the room interior and to include a hat shelf, hanging rod and shoe rail. To be ventilated top and bottom with life jacket stowage above. Dining tables to be 650mm wide and fitted with polished timber fiddles. Top to be heat resisting plastic. Knee hole desks to be of wood veneer faced plywood with cigarette proof plastic tops. To be fitted with one column of four drawers, shallow drawers at top, deep drawers at bottom suitable for files. Chart table to have wood veneer plywood top and be 850mm minimum width. Drawers to be arranged under. Drawers to have positive keeping arrangements to prevent sliding open in heavy weather. Book racks to have fixed bar across front and raised coaming at front edge of shelf. Book case to have sliding perspex front panel. Exposed edges of plywood in furniture or panelling to be covered by wooden/plastic strips.
3.16 DOOR LOCKS AND KEY SYSTEM Interior and exterior doors are to have locks. For each lock, keys are to be supplied, with room identification engraved. - Cylinder lock key system. Each door to cabins and operational spaces as well as master key. Each cabin to have 3 keys, double berth cabins 4 keys. - Safety lock key system. Each catering service and provision space on each deck with master keys. - All steel doors and forward store hatch to have padlock latches with padlocks and 2 keys supplied. Escape hatches to have internal locking arrangements.
3.17 WINDOWS AND SIDELIGHTS Sidelights to be fitted where indicated on General Arrangement Plan. Bolted glass holding ring and deadlight to be of aluminium throughout accommodation. The side lights to be recessed in shell tubes for protection. Deadlights to be supplied to all opening sidelights. All deadlights to be attached to their respective sidelights. MKT/ZY/ss/01.08.07 CONAN WU & ASSOCIATES C4173E-R1 60M ANCHOR HANDLING TUG/SUPPLY VESSEL Page 23
Fixed 250mm diameter lights to be fitted to all outside doors, with aluminium rings.
Eyebrows to be fitted over sidelights where there is no deck overhang. Wheelhouse front windows to be of weldable steel or aluminium frames, all fixed. Wheelhouse side windows to be fixed type in weldable steel or aluminium frames. Aft facing windows to be in weldable steel or aluminium frames, all fixed.
3.18 EXTERIOR DOORS - STEEL Steel doors where designated W.T. on the General Arrangement Plan, to be classed as weathertight door. To be fitted with locks, handles and hold back hooks. Eyebrows to be fitted over weather doors where there is no deck overhang.
3.19 STEEL LADDERS AND GANGWAYS Ladders to be of steel, fitted where indicated on General Arrangement Plan. One (1) aluminium gangway of 5m long to be provided. Mast ladders to consist of mild steel rungs welded to side of masts lower structure with hand grips and dog steps up tubular top masts. All external ladders to have angle bar runner and raised pattern plate steps. To be fitted with galvanised pipe handrails in conformity with adjacent handrails. Ladders to be fitted under access manholes to tanks, peaks and all other compartment where required Access to wheelhouse top to be via ladder welded to bulkhead.
3.20 NAMEPLATES AND NOTICE BOARDS All cabins and rooms, work spaces etc to be identified by plastic name plates over doors. All such name plates to indicate name of compartment. Notice boards and name plates as requested by Classification and authority regulations are to be provided. Shipbuilder's name plates to be fitted on deckhouse front. Labels to be supplied for all keys. All tags to be marked for space and numbered. Valve name plates to be bolted to valve wheels. Air, sounding pipe filling and discharge pipes to have name plates.
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4. PAINTING SPECIFICATION
4.1 PAINTING Paint maker to be Hempel, Jotun or equal. Detailed scheme of painting schedule to be finalised between Buyer and Seller on the basis of an approved paint supplier. Painting schedule given below is for guidance only. All steel surfaces to be grit blasted to grew/white metal equivalent to SA 2-1/2 of the Swedish Standard scale and before oxidation takes place prime with:
Keel to Waterline (Entire underwater area):-
Hempadur Mastic 45881/50630 Red 1 x f/c 125 micron
Hempadur Mastic 45881/11480 Grey 1 x f/c 125 micron
Hempadur 45182/25150 Yellowish 1 x f/c 75 micron
Hempel's A/F Tin-Free Oceanic 8495K/60700 Redbrown 1 x f/c 150 micron
Hempel's A/F Tin-Free Oceanic 8495K/51110 Red 1 x f/c 150 micron
Waterline to Main Deck (Topside Including Bulwark Ext.)
Hempadur Mastic 45881/50630 Red 1 x f/c 125 micron
Hempadur Mastic 45881/11480 Grey 1 x f/c 125 micron
Hempathane Topcoat 55210/11480 Grey 1 x f/c 50 micron
Weather Deck
Hempadur Mastic 45881/50630 Red 1 x f/c 175 micro
Inside of Bulwark, Deck Fitting + Deck Machinery
Hempadur Mastic 45881/11480 Grey 1 x f/c 175 micron
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Exterior of Superstructure, Mast + Funnels
Hempalin Hi-build Primer 13200/50410 Red 1 x f/c 75 micron
Hempalin Hi-build Primer 13200/11480 Grey 1 x f/c 75 micron
Hempalin Enamel 52140/10000 White 1 x f/c 40 micron
Hempalin Enamel 52140/10000 White 1 x f/c 40 micron
Behind Lining
Hempinol 10220/19990 Black 1 x f/c 175 micron
Behind Insulation in Cold Stores
Hempadur Mastic 45881/11480 Grey 1 x f/c 125 micron
Hempadur Mastic 45881/11480 Grey 1 x f/c 125 micron
Interior of Superstructure, Storerooms, Machine Space, Bow Thruster Compartment, Access Tunnel Passage, Laundry + Drying Room
Hempalin Hi-build Primer 13200/50410 Red 1 x f/c 75 micron
Hempalin Hi-build Primer 13200/11480 Grey 1 x f/c 75 micron
Hempalin Undercoat 42460/10000 White 1 x f/c 40 micron
Hempalin Enamel 52140/10000 White 1 x f/c 40 micron
Drinking Water Tanks
Hempadur 85671/50900 Red 1 x f/c 125 micron
Hempadur 85671/11630 White 1 x f/c 125 micron
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Ballast, Drill Water Tanks, Void Space + Cabin Lockers
Hempadur 17630/50630 Red 1 x f/c 125 micron
Hempadur 17630/12170 L. Grey 1 x f/c 125 micron
Floors of Machinery Spaces + Spaces
Hempalin Hi-build Primer 13200/50410 Red 1 x f/c 75 micron
Hempalin Hi-build Primer 13200/11480 Grey 1 x f/c 75 micron
Hempalin Enamel 53240/50630 Red 1 x f/c 40 micron
Hempalin Enamel 53240/50630 Red 1 x f/c 40 micron
Below Lowest Floor (Bilges)
Hempadur 17630/50630 Red 1 x f/c 125 micron
Hempadur 17630/12170 L. Grey 1 x f/c 125 micron
Bilges
Hempadur 17630/50630 Red 1 x f/c 125 micron
Hempadur 17630/20320 Cream 1 x f/c 125 micron
Engine Room Uptakes
Hempel’s Sillium 51570/19000 Alu. 1 x f/c 25 micron
Hempel’s Sillium 51570/19000 Alu. 1 x f/c 25 micron
Engine Room Insulation of Exhausts
Hempel’s Silicon 56910/19000 Alu. 1 x f/c 25 micron
Hempel’s Silicon 56910/19000 Alu. 1 x f/c 25 micron
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Funnel Internal
Hempalin Hi-build Primer 13200/50410 Red 1 x f/c 75 micron
Hempalin Hi-build Primer 13200/11480 Grey 1 x f/c 75 micron
Hempel’s Sillium 51570/19000 Alu. 1 x f/c 25 micron
Hempel’s Sillium 51570/19000 Alu. 1 x f/c 25 micron
4.2 CATHODIC PROTECTION Cathodic protection for 3 years duration to be given to the external hull, stern, bow thruster tunnel, each sea chest and rudders by expendable zinc anodes.
.4.3 PIPEWORK COLOURING All exposed piping systems are to be identified with colour bands in accordance with the following colour schemes:
1) Bilge & ballast : black
2) Firemain : bright red
3) FW Systems Cold : blue
Hot : blue with red bends
4) Fuel oil : brown
5) Lub oil : yellow
6) Hydraulic oil : purple
7) Sea suctions : green
8) Seawater cooling : light green
9) Compressed air white
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5. DECK MACHINERY SPECIFICATION
5.1 ANCHORS, CHAIN CABLES AND MOORING LINES The anchor, chain cables and mooring lines are to be supplied in accordance with Classification requirements. For guidance, they are as follows:- Anchors : Two (2) AC14 anchors, each 1590 kg. (high holding power) Chain cables : 2 x 330m x 34mm dia., grade 2, high strength steel stud link chains. Mooring Lines : 4 x 160m long polypropylene mooring ropes of minimum 12.5 tonnes breaking strength
5.2 ANCHOR WINDLASS An electro-hydraulic anchor windlass suitable for specified diameter cable complete with two warping drums is to be provided. The cable lifters and warping drums are to be independently clutched. It is to be securely mounted on fabricated steel seating on forward of forecastle deck above the chain lockers. Chain pipes, cable stoppers and hawse pipes are to be arrange to suit. Local control as well as remotely from the wheelhouse. Capacities - 10 tonnes at 10m/min for chain cables. 5 tonnes at 15m/min and at light loads 30m/min for mooring lines.
5.3 LASHING LUGS 20 of 5t SWL lugs to be arranged on main deck.
5.4 STERN ROLLER To meet the requirements of "rig anchor" handling service, the vessel is to be fitted with a stern roller of 180 tonnes SWL, approximately 3.5m length x 1.5m diameter. The roller is to be supported by two low friction water/grease lubricated bearings. The bearings are to be mounted, one on each side of the roller, on heavy plate seatings. The roller is to be arranged so that the top of the roller at centre projects about 200mm above the top of the main deck. On each side of the roller, port and starboard, fixed fairing plates are to be arranged, with the same diameter on the after side as the roller.
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5.5 TOWING WINCH – Macgregor Plimsoll One (1) unit electro-hydraulic waterfall type double drum towing/anchor handling winch. Brake holding capacity : 200 tonnes Stall pull : 150 tonnes Pull/Speed (1st layer) : 150 tonnes at 6m/min 75 tonnes at 12m/min 25 tonnes at 36m/min Drums : Towing drum capacity: 1000m x 58mm dia. wire rope. Anchor handling work wire drum capacity: 1000m x 58mm dia. wire rope. Auto spooling : Only fitted on towing drum (upper) capable of being controlled from the wheelhouse. Wire drums to be visible from wheelhouse aft Control Station.
5.6 TOWING GEAR Following to be provided and installed- 1 - 1000m x 58mm dia. towing wire (OFE) 1 - 100m x 58mm dia. work wire (OFE) 1 - 60m x 38mm dia. gob wire (OFE) 1 – hydraulically-powered spare wire rope reel with drum capacity for 1000m x 58mm dia. wire rope.
5.7 TOWING BOLLARD One (1) set double bit towing bollard to be installed aft of the towing winch to guide wire onto drum.
5.8 TUGGER WINCHES Two (2) electro-hydraulic tugger winches, each of 15 tonnes at 10m/min. capacity is to be installed as shown on the General Arrangement. Each winch is to be complete with one (1) wire drum and one (1) warping head. Warping head speed at light loads 30m/min., to be locally controlled.
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5.9 TOWING PINS & SHARK JAW - Karmoy Two (2) vertical hydraulic retractable closed-top towing pins and one (1) shark jaw of 300t SWL hydraulic retractable type to be installed in the centreline of the main deck. The towing pins is for AH Supply Vessel with a bollard pull up to 160 tons and to extend about 600mm above main deck level in the fully extended position. Both are to be operable locally and remotely from the wheelhouse.
5.10 DECK CONNECTIONS a) Cement - Kamlock or equal coupling with caps, female 125 cm (1 common filling and 1 common discharge) b) Drill water - Female 10 cm c) Cargo potable water - Female 10 cm d) Cargo fuel oil - Female 10 cm e) Sewage - Connection to meet MARPOL 73/78 f) Dirty oil - Connection to meet MARPOL 73/78 g) Liquid mud - Female 10 cm h) Base Oil/Brine - Female 10cm
For dry bulk, discharge points at Port and Starboard - midship and aft to be provided. For F.O., potable water and drill water, base oil/brine, discharge points at midship and aft, portside only to be provided.
5.11 NATIONAL COLOURS "Staff" to be installed at mast for national colours.
5.12 ESCAPE HATCHES Watertight hatches to be provided for the following compartments:- - engine rooms - steering gear compartment - Rungs or vertical ladder to be fitted for each hatch. - Bosun store
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5.13 STORM RAILS Storm rails and grab rails to be fitted all round deckhouse and wheelhouse and on exterior bulkheads. Storm rails also to be fitted in convenient positions in toilets, engine room and bow thruster compartments.
5.14 DRAINAGE FOR DECKS Suitable scupper pipes to be positioned in funnels, along the main deck, upper decks and wheelhouse top to facilitate deck drainage.
5.15 COVERS FOR DECK EQUIPMENT Strong PVC covers for deck equipment such as compass, searchlights, are to be provided. Excluded windlass, crane
5.16 MOORING BOLLARDS AND PIPES Bollards:- Eight (8) 12" NB, Sch 80 pipe double bollards are to be fitted. Mooring Pipes (or chocks):- Seven (7) mooring pipes for the above bollards are to be fitted to the bulwark as shown on the drawing.
5.17 CAPSTANS Two (2) electro-hydraulic capstans, each 5 tonnes at 15m/min capacity to be provided at aft deck as shown on General Arrangement drawing. The capstans to be operated locally.
5.18 FENDERING Vertical block rubber fender to be fitted on the bow, as shown on GA drawing.
5.19 DECK CRANE A fixed boom crane of max. 5t at 8m outreach to be installed.
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6. PIPING SYSTEMS SPECIFICATION
6.1 PIPING - GENERAL Piping systems, pipes, valves and fittings are to be fitted and tested to Classification requirements and to JIS standard. Pipes and valves are to be securely clipped to structure and their duty marked. Piping on hot services is to be insulated and is to be clipped to structure after insulation has been fitted. Portable steel or equal covers are to be fitted to protect pipes where liable to damage. Pipes systems are to be fitted with cleaning plugs and drain cocks, where necessary. Valves, deck plates, air pipes are to be clearly marked with brass plates for each space served. Piping of 40mm diameter or over is to be flanged. Where screwed connections are used, exposed and covered threads to be treated with anti-corrosive compound. Oil fuel and lube oil, compressed air and exhaust piping and are to be black steel, other pipes to be galvanised. Care should be exercised that handles of discharge valves on deck do not obstruct towing line. Color code to be advised by Owner and generally all to Builder's standard practice.
6.2 PIPE AND VALVE MATERIALS Pipes:- Pipes to JIS or equivalent. For pipes passing through tanks, pipe scantlings may be increased to Classification requirement. System Material Remarks Bilge + Ballast Galvanised steel Seamless Sch 40 Fire + Washdeck Galvanised steel Seamless Sch 40 S.W. Cooling Galvanised steel Seamless Sch 40 F.W. Cooling Galvanised steel Seamless Sch 40 Fuel Oil Black Seamless Sch 40 Lub OIl Black Seamless Sch 40 Sanitary, Fresh Water Galvanised steel Seamless Sch 40 Soil Pipe To suit Seamless Sch 40
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System Material Remarks Air + Sounding To suit Seamless Sch 40 Cement Black steel Seamless Seamless Sch 40 Control Copper Seamless Sch 40 Compressed Air Black steel Seamless Sch 80 Exhaust Black steel ERW Sch 20 Where galvanising is specified, the pipe materials are pre-galvanised before fabrication, damaged areas shall be repaired by cold galvanising. Piping is not to be led through tanks as far as practicable. Valves:- Shipside valves to have cast steel or bronze body. Valves on bilge, ballast, cooling water (S.W. and F.W.), fire and washdeck may be cast iron body with bronze trim. Valves on compressed air system to be steel or bronze. Valves on fuel oil and lub oil systems to be steel.
6.3 BILGE AND BALLAST SYSTEM Hi level bilge alarm is to be provided in engine room, s/gear, bulk tank and bow thruster compartment and indicator to be installed in wheelhouse. Bilge main and suction lines are to be in accordance with Classification requirement. Mud or strum boxes are to be fitted in the system where applicable to Classification requirement. Mud and strum boxes to be galvanised. Filling, suction and discharge pipes to be fitted to all tanks. Suctions to be fitted as required by Classification. Upon completion, the systems are to be pressure tested to Classification requirement. Care is to be taken to ensure drainage to bilge suctions and scuppers. All main tanks, including the skeg to have 40mm diameter screw fittings, stainless steel docking plugs fitted at their lowest point as far as practicable. Docking plug spanners are to be supplied.
6.4 AIR AND SOUNDING PIPES Sounding pipes are to be fitted to tanks, cofferdams and drain wells, as required by Classification. Double bottom tanks are to be sounded from the engine room. Self-acting weighted cocks to be fitted. Name plates of brass engraved with the tank number and purpose to be fitted.
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Striking plates or equivalent to be fitted at bottom of sounding pipes. Air pipes terminating on deck in goose neck vents to have float ball valves. Air pipes for loose tanks to be terminated on top of the respective tanks.
6.5 FUEL OIL SYSTEM The ship's oil fuel bunkers are to be arranged as shown on the General Arrangement Plan, with one bunker arranged as an overflow tank. Oil fuel filling connections to be arranged port and starboard on the main deck. The oil fuel piping to be arranged so that the transfer pump may draw from any of the bunkers and discharge to either the daily service tanks or the settling tanks. A spring loaded draw-off cock to be fitted to each daily service tank and settling tanks. Each oil fuel bunker and daily service tank to be fitted with an air/overflow pipe led into a common main, as far as practicable, which is to discharge into the overflow tank.
A single air pipe is to be arranged to the overflow tank and is to be terminated under the forecastle deck bulwark with goose neck with float ball vent and flame arrestor screen .
Drip trays of 150mm coaming height to be fitted in way of pumps. Drain from drip trays to be drained to dirty oil tank. Emergency shut-off valves to be fitted on fuel oil tanks subjected to static head. Emergency hand pumps to be provided.
Remote manually operated closing devices for fuel oil valves are to be provided as per Rules and Regulation.
6.6 LUB OIL SYSTEM Lub oil pipes of seamless black mild steel are to be arranged in accordance with engine Manufacturer’s recommendation and to meet classification requirements. Lub oil storage tank is to be provided in engine room with filling pipe fitted on main deck. The main and auxiliary engines are supplied with built-in lub oil pumps.
Lub oil purifier is to be installed and connected to the system, as required.
6.7 COOLING SYSTEM (MAIN ENGINES) The main engines are to be fresh water cooled through heat exchangers and each engine is to be equipped with engine driven FW pumps. The cooling pipes are to be arranged in accordance with engine manufacturer’s recommendations and to meet classification requirements.
6.8 COMPRESSED AIR SYSTEM The main engines and auxiliary engines are to be compressed air started. The compressed air pipes of solid drawn black mild steel are to be arranged with air bottles, valves, pressures gauges in accordance with Manufacturer’s recommendations and to meet classification requirements. - Two (2) air bottles of suitable sizes. - Two (2) electric motor driven compressors .
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6.9 HYDRAULIC SYSTEM The hydraulic piping of solid drawn steel (internals acid cleaned) for the steering gear, towing winch and other Deck Machinery are to be arranged in accordance with the Manufacturer’s recommendations and to meet classification requirements. Necessary strainers are to be provided.
6.10 CARGO PIPING SYSTEMS The discharge lines are to be led to the rig discharge stations aft of superstructure, port and starboard.
The combined filling and discharge deck fittings are to be colour coded. Colour code to be advised by owner.
The systems to cater for :- - Cargo freshwater - Cargo oil - Drill water - Dry bulk - Mud - Base oil/Brine
All to good standard and marine practice.
Deck terminations to be fitted with approved type of quick couplings. Butterfly valves to be fitted adjacent to quick couplings. For further details, please refer to “Deck Connections”.
6.11 DRY BULK HANDLING SYSTEM - Unislip The system is designed for dry bulk with a specific gravity between 0.96 and 2.16. The system shall be capable of intake/discharge of two separate grades of cargo simultaneously through two separate lines. Loading/discharge stations arranged at deck, on port and starboard sides and aft. Loading/discharge operation to be from a central control panel located in the wheelhouse aft control station. Quick couplings are to be provided complete with reducer. Total Capacity : approx 170m3 Working Pressure : 5.6 bar Classification : ABS Tanks:- Four (4) Nos. vertical tanks. All tanks for 5.6 bar working pressure. Test pressure 1.5 times working pressure. To be complete with aeration system, hatch, lifting eyes, legs and pipe connection for discharge, fill and vent, lines and air supply plus high level indicators, pressure valve and safety valve which can be preset at any level.
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Venting of the four tanks are to be arranged such that two tanks are connected to one common vent line, and the other two tanks to another common vent line. The bulk handling system shall be remotely operated with the exception of butterfly valves (manual operated) located on the main deck. Deck connection shall be of quick disconnect type Kamlock or equal coupling . Compressors:- 2 off electric driven air compressors, sea water cooled. Capacity : about 20 m3/hrs Working pressure : 5.6 bar - After-coolers complete with moisture separator and auto drain trap, all to manufacturer's recommendation. - Electric motors and compressor units mounted on common skid. Air piping from compressor to tanks to be as straight as practicable to eliminate condensation collection points. All fill, vent and discharge piping to be 125mm and shall be flange connected in lengths no longer than 2M and fitted with Kamlock or equal couplings. Air or electrical control system to be installed. Refrigeration air dryer – capacity : 23.0 m3/min. x 2
6.12 FIRE AND WASHDECK SERVICE Salt water for the fire fighting and wash deck service to be supplied from the general service pump in the engine room and from the emergency fire pump to a fore and aft main run under deck with branch line of 65mm and with 2-1/2" instantaneous hydrants valve as per applicable rules. Hose reel, hose nozzle and axe to be stowed in boxes adjacent to each hydrant. Each pump discharge is to connect to the system through an accessible isolating valve and each main deck branch is to have a shut-off valve at the main. Drain plugs to be fitted at low points in the system. Hoses with standard instantaneous couplings to be supplied with nozzles.
6.13 FRESH WATER SYSTEM - COLD A potable water pressure system to be fitted for drinking and washing purposes complete with UV sterilizer or equivalent filtering system to remove sediments etc. Pressure system to consist of a pressure tank and one (1) pump. One (1) additional pump also to be fitted to act as standby for both potable water and sanitary water pumps.
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6.14 WATER MAKER (optional) One (1) water maker, capacity of approximately 5 tonnes per day, including UV sterilizer is to be installed.
6.15 FRESH WATER SYSTEM - HOT One (1) electrically heated thermostatically controlled calorifier to be fitted. System to supply hot water to washbasins, showers, galley, etc. Hot water pipes to be lagged according to National Authorities requirements.
6.16 SANITARY WATER SYSTEM A pressure system identical to potable water system to be fitted. System to supply sanitary water to water closets and to taps for washing down purpose.
6.17 SCUPPERS AND DISCHARGES Discharges from washbasins, showers, sinks and internal scuppers are to be grouped into a common cross main to discharge overboard through storm valve. Air pipe to be arranged from the cross main. Discharge from W.C. to be led to a sewage treatment plant adequate for 26 persons. Scuppers from the refrigeration spaces are to be led to the bilges. A scupper from the air conditioning compartment is to be led overboard via a storm valve. 50mm scuppers to be fitted in toilets. Laundry and galley scuppers to be 80mm. All internal scuppers to be trapped, and fitted with portable gratings. Discharges and trips generally to be as follows:- Showers: 50mm with P-trap Washbasins: 32mm with deep seal bottle trap Galley sink: 65mm with water and grease trap, strainer to be fitted W.C.s: 100mm Cleaning plugs to be fitted as may be required. Open superstructure/deckhouse decks to be drained by 50mm scuppers. Moisture condensate drainage to be provided from behind accommodation panelling. No take down flanges to be fitted in way of accommodation/galley/mess room/provision store.
6.18 REFRIGERATION SYSTEM Refrigeration plant of R404A system direct expansion type, water-cooled, electrically driven, to be installed complete with all necessary accessories. Two (2) compressors to be fitted, one acting as 100% standby.
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The plant is to maintain temperature of - 20 degrees C and + 2 degrees C in refrigeration store spaces. Dual type thermometers to be supplied and fitted for each chamber with dial mounted on outside of chambers.
Refrigerant pipes to be seamless copper and outside of cold chambers they are to be lagged. Refrigerating system to be of the fan/coil blower type and to be automatically controlled. Scupper pipes to be fitted draining to main scupper lines and led to overboard except refrige lines no other pipes to pass through cold rooms.
6.19 AIR CONDITIONING An air conditioning plant for cooling only to be fitted to serve accommodation, galley (spot cooling) and wheelhouse and all living spaces within Accommodation area. Design conditions as follows:- Normal Extreme Outside : 34 degrees C. 95% R.H 45 degrees C. 95% R.H. Inside : 22 degrees C. 50% R.H. 28 degrees C. 50% R.H Air conditioning unit to be S.W. cooled with cooling pump located in engine room. 100% redundancy to be provided for compressors for normal condition and the fresh air intake shall be about 20%. Both compressors shall be able to run in parallel at extreme condition. Ducts to be fabricated from galvanised sheet metal and insulated by 25mm thick glass wool. To be concealed behind deckhead lining. Fire dampers to be fitted when necessary. Exhaust from cabin or compartment to be through louvred grilled in the lower part of the door.
6.20 VENTILATION The following spaces to have conditioned air supply and forced exhaust:- Space Air Changed Per Hr Supply Exhaust Galley 20 40 Toilets - 15 Laundry/drying room - 15 Dry provision 10 - Natural ventilation to be provided from cofferdams, tanks and deck stores.
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6.21 TANK GAUGES AND LOOSE TANKS Loose tanks in machinery room shall be provided with gauge glass of suitable protection and draw-off cock as per Builder's standard.
6.22 EXHAUST SYSTEM The exhaust piping is to be led to atmosphere from the top of the funnel via the main up-takes, being efficiently lagged. Each engine exhaust is to be provided with a spark arresting silencer.
6.23 DISPERSANT SYSTEM An oil dispersant system consisting of 2 spray booms, each of 5m length, complete with dispersant pump 20m3/hr at 50m head and proportioning metering valve 0-10%, and 2 lengths of 15m flexible hoses for connecting to portable dispersant tanks provided by Charterer.
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7. SAFETY EQUIPMENT
7.1 LIFE SAVING EQUIPMENT Life saving equipment is to be in accordance with Classification and Government Authority requirements for an Ocean Going Vessel with a total complement of twenty six (26). The Life saving equipment shall include, as a minimum, the following:- Liferafts Four (4) inflatable liferafts each certified for twenty (20) men capacity, are to be stowed in cradles for quick sideway launching. All to be SOLAS approved. Lifebuoys Eight (8) lifebuoys of approved construction. Four (4) lifebuoys with 90 ft buoyancy line. Four (4) lifebuoys with 90 ft buoyancy line and self-igniting electric lights. Two (2) smoke signals of the latter. All to be SOLAS approved. One (1) lifebuoy to be positioned close to stern. Lifejackets Thirty (30) approved type lifejackets to be supplied and stowed adjacent to each berth, including 4 spare jackets. All to be SOLAS approved. Pyrotechnics - One (1) line throwing apparatus. - Twelve (12) parachute distress rockets. - Two (2) orange smoke signals each to have 120 seconds discharge time and be waterproof.
- Three (3) hand held multi-channel survival craft VHF that meet International Maritime Organization (IMO) specified requirements with spare batteries and chargers. - Two (2) rescue nets - Four (4) safety harnesses with lifelines - Two (2) fireman’s outfit - Two (2) transistorized portable loud hailers. - Immersion suits (Buyer to apply for dispensation).
Rescue Craft A rescue craft, capacity 6 men, shall be fitted complete with outboard motor. The rescue craft shall be supplied with a single point launching davit located clear of thrusters and propellers. The launching system shall be such that the boat can be cleared away in not more than two minutes. The davit shall be fitted with a “load off” quick release and safety hook for heavy weather recovery.
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Survivor Recovery Area The vessel shall be fitted with a suitable designated Survivor Recovery Area with a sitting capacity for a minimum of twelve survivors. This area may also serve as a crew/passenger lounge when not otherwise required for survivors. Survivor Treatment Area The vessel shall have a designated Treatment Area on the vessel which shall be air conditioned. This area shall be equipped with a treatment table, suitable lighting powered by mains and emergency sources. This area shall further contain a wash hand basin with elbow taps for hot and cold water, a portable shower head with extending hose, instrument table, medical cabinet (locked) for medicines and equipment. This area shall be fitted with communications to the bridge. Access should be as direct as possible from the rescue zone area.
7.2 RESCUE ZONES Rescue zones shall be established on both sides of the vessel and will meet with the following requirements:- - Each rescue zone shall be not less than 8 metres in length.- - Rescue zones shall be distinctively painted. - Each rescue zone shall be illuminated both on deck and over side with no shadow areas. - Bulwarks shall be of the removable type to allow an open working area and shall be not less than 2 metres in width. - Rescue nets shall be supplied to the Vessel that can be fitted in the area of the rescue zone such that the maximum height from sea to the main deck area will be no more than 1.8 metres, based on an operating draft of not less than 3.7 metres. Rescue nets shall be not less than 5 metres wide, weighted at the bottom and long enough to extend at least 1 metre below the waterline with the vessel at light draft. - Suitable securing points for scrambling nets. - Overside ladders providing a foothold clear of the bulwarks and hull and extending one metre into the water.
7.3 FIRE FIGHTING EQUIPMENT Internal Fire fighting equipment is to meet Classification and relevant Government Authority Regulations. Generally all in accordance with the following:-
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Firemain:- A firemain and twelve (12) hydrants are to be installed, eight (8) on various deck levels and two in engine room. 10m canvas fire hose c/w brass coupling and nozzle is to be supplied and stowed alongside each hydrant in a protective box. All nozzles to be dual jet/spay type. International shore connection is to be fitted. Fireman's Outfit:- Four (4) sets (each contained in its own separate storage unit) of fireman's outfit (in accordance with FiFi 1 rules) are to be provided. Portable Fire Extinguishes:- Fire extinguishers are to be supplied and installed. For guidance, they are to consist as follows:- Position No. Type Wheelhouse 2 5 lbs BCF or 5 lbs dry chemical Deckhouse 3 9 litres water CO2 Galley 1 12 lbs BCF or 10 lbs dry chemical Engine Room Entrance 1 12 lbs BCF or 9 litres foam 1st Forecastle Accom 3 9 litres water CO2 2 5 lbs dry chemical or BCF Main Deck Accom 3 9 Litres water CO2 Underdeck Stores 2 9 litres water chemical Engine room 1 45 litres foam- mechanical 2 12 lbs BCF or 10 lbs dry 2 9 litres foam Bow Thruster 1 12 lbs BCF or 5 lbs dry chemical compartment compartment 1 9 litres foam Cement Tank 1 6.8 kg dry CO2 compartment
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Fire Blanket Two (2) off to be provided in engine room and galley. Fire Axes Two (2) off. External External fire-fighting equipment for Fi-Fi Class 1 shall be installed. The following equipment are to be fitted for the vessel:- a) Fire Pumps Two (2) units seawater pumps 1500 M3/hr at 14 bar to supply the fire monitors. The pumps to be driven from main engine PTO via flexible coupling with clutch and step- up gear. b) Fire Monitors Two (2) units monitors at 1200 m3/hr each (one dual barrel water/foam) The monitors are to be remotely controlled from wheelhouse. Performance Water Inlet pressure 12 bars Throw length 120 m c) Foam System 1 x proportioner eductor (mixing ratio max. 5%) 1 x metering valve 1 x pressure gauge 1 x compound gauge with cock and copper pipe 1 x foam tank c/w valve d) Fixed Water Spraying System The vessel is to be protected by a permanently installed water-spraying system consisting of a number of nozzles fitted on all deck levels. The fixed water spraying system is to provide protection for all outside vertical areas of hull, superstructures deckhouses and other equipment. The arrangement of the water spraying system is to be such that necessary visibility from the wheelhouse and the control station for remote control of the fire fighting water monitors can be maintained during water spraying.
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7. 4 CO2 SYSTEM A full flooding CO2 system consisting gas bottles c/w quick operated valves and auto alarms is to be provided for engine room fire fighting. The CO2 bottles to be stowed inside a separate compartment. Operation is to be manual arranged both on the bottle(s) and in a "break glass" pull box at the engine room access.
7.5 EMERGENCY FIRE PUMP One (1) electrically driven fire pump capacity 35m3 at 60m head to be installed in bow thruster compartment.
7.6 NAVIGATION AND COMMUNICATION EQUIPMENT The following navigation and communication equipment are to be fitted in accordance with relevant Government Authority requirements. The system shall comply with the requirements of 1974 SOLAS as amended by the 1988 GMDSS conference. Following is based on GMDSS (for Area A3). Two (2) units of VHF-radio telephones, 25W with remote handsets. Both to be multi-channel 25 watt RF output power and 1 watt reduced RF output switch fitted with digital selective calling (DSC) and capable of receiving on 156.525 MHz (Channel 70). Remote handsets to be located at the forward and aft control stations. Two (2) units of search and rescue radar transponder (SART) One (1) unit of NAVTEX Receiver One (1) EPIRB Two (2) radars, one meeting SOLAS with daylight display (colour) with Arpa. One (1) speed log system comprising transducer receiver, inter-phasing facility and inter-connecting cable shall be provided and installed. One (1) master gyro-compass fitted with three (3) repeaters (same gyro-compass as DP system) One (1) auto pilot compatible and interfaced with gyro and steering compass. One (1) magnetic compass, 6” reflector type c/w correction magnet, quadrant balls and reflector tube and compass binnacle, Azimuth device. One (1) GPS (Global Positioning System) navigator and one (1) DGPS (same DGPS as DP system) One (1) echo-sounder with repeater at aft manoeuvring station. One (1) Inmarsat-C. One (1) Automatic Identification System. One (1) SSAS One (1) set fully synthesized MF/HF single sided band (SSB) transceiver, 250 watts including microphone, including antenna, coupler, whip antenna control and co-axial cable, unit shall be suitable for 220V AC. Three (3) sets walkie talkie, intrinsically safe, complete with spare battery and charger. Item not specified above but required by the relevant Authority are to be supplied.
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7.7 INTERNAL COMMUNICATION One (1) intercom system for 15 positions. Electrical supply : 220 volt, 1 phase, 60 Hz and DC 24 volts. PA system with talk-back facility to be installed with one (1) loudspeaker at forward and one (1) at aft. PA system is to be connected with VHF radio.
7.8 ELECTRICAL NAVIGATION LIGHTS AND SHAPES Dual lens, 24V DC supply navigation lights are to be supplied:- - Four (4) pieces masthead lights (3 on forward mast & 1 on aft mast) - Two (2) towing lights - One (1) stern light - Two (2) anchor lights - Three (3) NUC lights - Two (2) black circular shapes of 600mm dia. plus one spare - Two (2) diamond shapes - One (1) set immigration lights (single lens)
7.9 FLAGS - one (1) set of International Code Flag - one (1) National ensign - one (1) International signal code manual - one (1) Singapore Flag
7.10 HORNS - one (1) electrically activated air horn (to be operable for forward and aft control) - one (1) hand operated mechanical plunger fog horn
7.11 SHIP'S BELL one (1) 12"brass bell with rope.
7.12 DAYLIGHT SIGNAL One (1) Aildis type signalling lamp c/w portable battery.
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7.13 CHRONOMETER One (1) unit chronometer to be provided
7.14 BAROMETER One (1) unit barometer to be provided.
7.15 CLINOMETERS Two (2) clinometers, one in engine room and one in wheelhouse.
7.16 CLOCK Seven (7) battery clocks, Quartz type.
7.17 SEARCHLIGHTS Two (2) 2000w with underdeck manual control (one fwd and one aft).
7.18 FLOODLIGHTS Five (5) 1000W of halogen type.
7.19 ENGINE TELEGRAPHS One (1) set electric push button telegraphs operating on 24V D.C for twin screw propulsion consisting of the following commands to be mounted at the forward wheelhouse control console. 10 + 2 orders, 2 units type with change-over for forward wheelhouse consoles. 2 x 10 order means : full astern half astern slow astern dead slow astern STOP dead slow ahead slow ahead half ahead full ahead wheelhouse control finished with engine and standby
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7.20 ANEMOMETER One (1) 0-100 mph anemometer (same anemometer as DP system) comprising transmitter and receiver of the dial type shall be installed.
7.21 BOOKS The following to be provided :- - One (1) relevant volume of Admiralty Sailing Directions - One (1) relevant volume of List of Radio Signals - One (1) copy Tide Table - One (1) copy of Mariners Hand Book - One (1) copy of Nautical Almanac - One (1) copy of Navigational Table - One (1) copy of Compass Deviation Card - One (1) copy of Compass Error Book - One (1) copy of Masters Standing/Night Order Book - One (1) copy of Oil Record Book (Part 1 and 2) - One (1) copy of Deck and Engine Log Book - One (1) copy of Official Log Book - One (1) copy of Stability Booklet
7.22 ALARM SYSTEM (GENERAL AND H2S) Vessel shall be equipped with a General Alarm System capable of being activated from a minimum of three separate locations aboard the vessel. In addition, vessel shall be fitted with a minimum of five (5) H2S and hydrocarbon sensors with automatic alarms. These sensors shall be located in the bow, stern, port, starboard and on wheelhouse top.
7.23 ENGINEER’S CALL ALARM An engineer’s alarm in accordance with Class / SOLAS rules to be provided.
7.24 RUDDER ANGLE INDICATORS To be provided as required.
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7.25 DP SYSTEM
Portable & Independent Joystick Control and DP System An integrated joystick control system is installed providing full interface between the following: i. Two Main engines c/w CP propellers system ii. Two steering gear system iii. Bow thruster unit system iv. Stern thruster unit system (Controls to be fitted in both forward and aft wheel house stations.)
The system shall comprise the following main equipments c/w sensors and position references: - 1 DP Control computer with console - 2 DGPS - 1 motion reference units - 2 anemometers c/w display units - 2 gyrocompass - 1 uninterruptible power supply units - 1 printer - 1 independent joystick unit
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8. MACHINERY SPECIFICATION
8.1 GENERAL - MACHINERY Propulsion is to be provided by two marine diesel engines arranged to supply power independently via reduction gearboxes through twin propeller shafts to two controllable pitch propellers operating in fixed nozzles. All main and auxiliary machinery is to be rated for continuous maximum output under tropical conditions. Manoeuvring control of the propulsion units, propellers and gearboxes is to be provided from two stations in the wheelhouse, one forward and one aft. Design conditions for the major equipment ;- Ambient air temperature : 45 deg C (max) +0 deg C (min) Relative humidity : 95 (max) 0% (min) Sea water temperature : 32 deg C (max) +0 deg C (min)
8.2 MAIN ENGINES – MAK 6M25 Main engines to be two (2) four stroke marine diesels each developing an MCR of approximately 1980 KW on site, giving a total of approximately 3960 KW continuous power. Standby pumps are to be provided in accordance with Rules and Regulations. All coolers are to have 25% margin above rated capacity. The main engines are PTO to also drive the external fire pump with clutch and gear.
8.3 GEARBOXES Each main engine to drive the propeller through a marine reduction gear. Gear ratio is to match the engine for appropriate propeller. For alarms, safeguards and instrumentation, see separate clauses. All in accordance with good Shipbuilding practice. Two (2) reduction gear to PTO a shaft generator 750 KW.
8.4 SHAFTING - Berg Each of the forged steel tail shaft to be sized to classification requirements. Shaft coupling between intermediate shaft and propeller shaft to be of the split coupling type. The Builder shall furnish and install a complete twin screw controllable pitch propeller system. MKT/ZY/ss/01.08.07 CONAN WU & ASSOCIATES C4173E-R1 60M ANCHOR HANDLING TUG/SUPPLY VESSEL Page 50
Propeller blades and hubs will be in Ni-Al bronze or equal with all copper clad steel bolts. The blades will be designed for operation in propulsion nozzles. The entire CP propeller system is to be designed, built and installed to meet Classification standards. Rotation of propellers will be arranged with due consideration of specified performance of the vessel. Supply by Maker’s propulsion package complete with all necessary interfacing.
8.5 REMOTE CONTROL The CP propeller remote control system, one at forward console and one at aft console, are to be installed. Supply by Maker’s propulsion package complete with interfacing of propellers, rudders and bow thruster/aft thruster. On the bridge:- - one (1) forward control - one (1) aft control In the Engine Room:- - Local control
8.6 MAIN GENERATORS - CAT Two (2) identical marine diesel generating sets, heat exchanger cooled, each rated approx 370 KW, 440V, 3 Phase, 60 Hz, 0.8 p.f. The units are to be able to operate in parallel. Basic Design Characteristics:- - Heat exchanger cooled - Air start - 4 stroke - Engine mounted L.O, fresh water, fuel oil and raw water pumps - Engine mounted L.O. and fresh water coolers - Local start - Resilient mounting For alarms, safeguards and instrumentation, see separate clauses. Two (2) 750 KW shaft generator 440V, 3-phase, 60 Hz to be installed. Generator to be driven from main gearbox PTO via flexible coupling.
8.7 EMERGENCY GENERATOR - CAT One (1) emergency diesel generator set, radiator or air cooled, rated approx 94 KW, 440V, 3 Phase, 60 Hz, 0.8 p.f, battery starting, to be provided. All necessary arrangements in accordance with Rules and Requirements are to be provided.
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8.8 BOW THRUSTER AND STERN THRUSTER UNIT - Kawasaki A transverse bow thruster unit, capable of continuous operation for prolonged periods at maximum thrust, is to be fitted. Thrust shall be approximately 8 tonnes. The unit to be driven by motor and complete with controllable pitch propeller, all necessary controls and interlocks. Control of bow thruster shall be from forward and aft positions in wheelhouse. Stern Thruster Unit (Electric Driven) A transverse stern unit, capable of continuous operation for prolonged periods at maximum thrust. Static Thrust shall be approximately 8 tonnes. The rest to be driven by an electric motor and complete with controllable pitch propeller, all necessary controls and interlocks. Control of stern thruster shall be from forward and aft positions in wheelhouse.
8.9 FUEL OIL TRANSFER PUMP One (1) horizontal gear pump to be installed. Pump is to have a cast iron body with alloy steel rotor and shaft. Pump to have a capacity of 10m3 per hour against a discharge head of 20m. Pump is to be directly coupled to a 3 Phase, 60 Hz, 440 volt motor complete with locally mounted starter. The pump and motor are to be mounted on a combined base plate. Pump to have one remote stop outside engine room.
8.10 FRESH WATER AND DRILL WATER CARGO PUMPS Two (2) vertical centrifugal pumps to be provided, one for fresh water and and one for drill water duties, each complete with a 440 Volts 3 Phase 60 Hz electric motor and locally mounted starter. The pump is to have a capacity of 100 m3/hr when discharging against a 75m head. The pump casing is to be of cast iron. Shafts and gears of carbon steel. Mechanical seals are to be provided. Adjustable relief valve.
8.11 CARGO OIL PUMP One (1) vertical screw pump or gear pump to be provided, capacity of 100m3/hr when discharging against a 75m head. The pump is to be directly connected to a 3 Phase 60 Hz, 440 Volts electric motor complete with locally mounted starter. Pump casing is to be cast iron with forged steel shafts and gears.
8.12 BILGE AND BALLAST PUMP One (1) self-priming centrifugal pump is to be provided for the above duty, being complete with 3 phase 60 Hz, 440 Volts motor and locally mounted starter. The pump is to have a capacity of 100 m3/hr against 75m head and is to be complete with suction and discharge pressure gauges. The pump casing is to be of bronze, shaft of stainless steel and impeller of bronze, with mechanical seal.
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8.13 G.S. AND FIRE PUMP One (1) general service and fire pump, connected to bilge, ballast and fire system. Pump to act as standby for main engines. Identical to bilge/ballast pump.
8.14 F.W. PRESSURE SET One (1) fresh water pressure set complete with about 1 KW motor, 2800 RPM, 220/1/60 and one (1) pressure tank of about 500 litres with maximum working pressure 30-40 PSI with pressure relief valve.
8.15 S.W. PRESSURE SET One (1) salt water pressure set complete with about 1 KW motor, 2800 RPM, 220/1/60 and one (1) pressure tank of about 500 litres with maximum working pressure 30-40 PSI with pressure relief valve.
8.16 PRESSURE SET STANDBY PUMP One (1) pressure set standby pump complete with about 1 KW motor, 2800 RPM, 220/1/60 with maximum working pressure 30-40 PSI with pressure relief valve and connected to F.W. and S.W. system with 3-way valve as standby. The pump casing is to be of bronze.
8.17 MAIN ENGINE LUB OIL PUMP (STANDBY) One (1) electric driven horizontal gear pump, 5 m3/hr at 25m head, 440/3/60.
8.18 SLUDGE TRANSFER/DIRTY OIL PUMP One (1) electric driven horizontal positive displacement type screw pump installed in the engine room and shall deliver 5m3/hr at 45m head, complete with electric heating coil as required by Regulations/Class.
8.19 L.O. and F.O PURIFIERS Two (2) electrical centrifugal lub oil purifier complete with electric heater, capacity about 400 litres/hr each. One (1) electrical centrifugal fuel oil purifier complete with electric heater, capacity about 1200 litres/hr.
8.20 OILY BILGE SEPARATOR One (1) MARPOL standard oily water separator complete with pump and oily water discharge alarm to be fitted. Capacity 1 m3/hr with oil content less than 15 ppm.
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8.21 S.W. COOLING PUMP FOR AIRCONDITIONING AND REFRIGERATION PLANT One (1) horizontal self-priming centrifugal S.W. circulating pump, electrically driven, to be fitted to serve air conditioning system and refrigeration systems.. Capacity to be about 50m3/hr at 25m head. Pump casing is to be of bronze. One (1) horizontal self-priming centrifugal S.W. circulating pump, electrically driven to be fitted to serve hydraulic deck machinery and bulk handling compressors. Capacity to be about 50m3/hr at 25m head. Pump casing to be bronze. One (1) identical pump to be fitted to serve as standby.
8.22 ENGINE COOLING SYSTEM The main engines are to be heat exchanger cooled. The following equipment to be supplied :- - Engine mounted F.W. pumps plus one “loose”standby pump (one per ship) - Engine mounted S.W. pumps (emergency cooling by G.S. pump) - F.W. compensation tanks - Heat exchangers The auxiliary diesel engines are to be heat exchanger cooled. The following equipment to be supplied:- - Engine mounted F.W. pumps - Engine mounted S.W. pumps - Heat exchangers
8.23 AIR COMPRESSORS - STARTING AIR Two (2) air-cooled starting air 2-stage compressors. Each of capacity 22 m3/hr FAD x 30 kg/cm2. Each compressor to be coupled to a 440 Volts 3 Phase 60 Hz electric motor on a common base frame. Auto starter with pre-selection switch.
8.24 LIFTING EQUIPMENT Lifting beams are to be fitted over each main engine and diesel alternator set to facilitate lifting of cylinder covers, liners, pistons, etc. Lifting arrangements are to be provided over major items of auxiliary machinery.
8.25 STEERING GEAR Two (2) electro-hydraulic independent type steering gears of 2 x 56 KNm torque capacity at 2 x 45 deg. rudder angle. Bedplates, actuator, locking valve, solenoid valve, filter, motor, starter, steering column, steering switch and other necessary fittings are to be provided. One (1) rudder indicator of panorama type to be fitted. Structural stoppers to be provided at the side of each tiller. Rudder turning speed 10 sec/35deg with two pumps, 20 sec/35 deg with one pump. Steering gear control to be from forward and aft consoles in wheelhouse. Rudder angle indicators to be mounted at both forward and aft steering positions.
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8.26 STERNTUBES Two fabricated mild steel sterntubes are to be supplied and fitted, secured at the bulkhead and at the "A" frame boss. Each is to be fitted with a cast iron white metal lined bushes, and arranged for oil lubrication. The sterntubes are to be fitted with seals, all in accordance with CP Propeller manufacturer's standards. Two (2) sterntube oil tanks, are to be fitted and arranged, one to feed each tube by gravity. The tanks are to have air release arrangements, an oil level gauge, and low level alarm provided.
8.27 PROPELLERS – Berg AND NOZZLES Two (2) four bladed controllable pitch propellers to be supplied, one RH and one LH, and are to be operated in fixed nozzles. Propeller material is to be of approved nickel aluminium bronze and are to be manufactured to ISO/TC 8 Class I standard and statically balanced. All to manufacturer’s standard. Propellers to be designed to give speed and bollard performances as specified. Internal surface of nozzle to be lined with SUS.
8.28 TANKS - MINOR The following minor tanks are to be sited in the engine room and arranged with all necessary filling, drain and outlet connections, air pipes, manholes, etc. 2 - daily service oil fuel header tanks, each sufficient for 12 hours running of one main engine and one generator. 1 - built in clean lubricating oil storage tank 2 - fresh water header tanks for main engines (loose) 1 - stern tube lub oil storage tank (loose) 2 - stern lube oil header tanks (loose) 1 - built-in dirty oil/sludge tank
8.29 FLOOR PLATES, HANDRAILS AND GRATINGS Ladders and gratings are to be furnished to provide adequate access to equipment, handrails and stanchions being fitted as required. Floor plates are to be fitted in the following compartments:- - Engine room and bow thruster room around all equipment and extend to ship sides or bulkheads as far as is practicable. - Cement room. Approx. 600mm wide access gangways to be arranged for all equipment and escapes as far as is practicable. Floor plates are to be 5mm thick steel chequered plate. They are to be supported on angle steel supports and are to be removable for access to tank tops and are to be provided with lifting holes. MKT/ZY/ss/01.08.07 CONAN WU & ASSOCIATES C4173E-R1 60M ANCHOR HANDLING TUG/SUPPLY VESSEL Page 55
The arrangement is to be of sufficient strength to support machinery components during inspection and maintenance.
Shallow coamings are to be provided where necessary around openings in floor plates. Handrails and stanchion to be arranged as required.
8.30 VENTILATION Engine room : Two(2) forced supply/exhaust Emergency Generator room : Forced exhaust and natural supply Washplaces & Galley : Forced exhaust and natural supply Bow Thruster & Cement tank room : Forced supply and natural exhaust SG Compt/Stern Thruster : Forced supply and natural exhaust
8.31 ENGINE EXHAUST All diesel engines are to be fitted with spark arresting silencers and pipes efficiently lagged.
8.32 SEWAGE TREATMENT PLANT One (1) Sewage Treatment Plant of approved type suitable for 26 men capacity, to comply with MARPOL Regulations.
8.33 FOOD WASTE DISPOSER One (1) disposer to be mounted under the galley sink discharge.
8.34 LIQUID MUD PUMPS Two (2) 60m3/hr at 75m head, the pumps can be used for discharge or for circulation. All pipe work to be designed and installed accordingly.
8.34 ELECTRICALLY DRIVEN AGITATORS FOR 2 MUD TANKS One (1) unit electrically driven agitator per mud tank.
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9. ELECTRICAL SPECIFICATION
9.1 GENERAL - ELECTRICAL The electrical installation is to be in accordance with the Classification and relevant Authority requirements and shall be suitable for tropical conditions. All electrical equipment shall be constructed of durable flame retarding, non-hydroscopic materials which shall not be subject to deterioration in the atmosphere and at the temperature to which it is likely to be exposed. All conductors, switchgear and accessories shall be of such size as to be capable of carrying the maximum current which can normally flow through them without their respective ratings being exceeded. Insulating materials and insulated windings shall be resistant to moisture, sea air and oil vapour in tropical conditions. The design of all equipment shall provide for accessibility to parts requiring inspection. Enclosing cases for electrical equipment, junction boxes etc. to be of adequate mechanical strength and rigidity to protect the contents and to prevent distortion under all likely conditions of service. Where necessary all electrical equipment shall be suitably suppressed to above satisfactory radio operation.
9.2 SYSTEM OF SUPPLY - 440 Volts, 3 Phase, 60 Hz - for power. - 220 Volts, 1 Phase, 60 Hz - for general lighting and power less than 3 KW. - 24V D.C - for alarms, controls, radio and navigation aids and navigation lights. - 440/220V, 3 Phase, 60 Hz emergency generator for emergency lighting, communication, alarms and steering gear system.
9.3 POWER SUPPLY A.C SYSTEM Normal Supply :- The A.C main power supply system is to be obtained from one (1) 750 KW, 3/60/0.8 PF/3-W, shaft generator (PTO from ME) or two (2) 370KW, 440/3/60, 0.8 P.F. and 3 wire diesel engine driven generators. Any one generator shall be capable of supplying the vessel's electrical requirements under normal sea load condition. The diesel driven generators shall be capable of parallel operation. The shaft generator shall not operate in parallel with the diesel engine driven generators except during transfer of load from shaft generator to diesel generators and vice versa.
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Emergency Supply :- For emergency duties the power supply shall be obtained from a 94 KW capacity, 440V/3 Ph/60 Hz generator arranged for independent battery starting in the event the main power supply fails. Shore Supply :- A 200 Amp T.P 440/3/60, 3 wire watertight shore supply complete with connection box, sequence indicator, circuit breaker and connected to the main switchboard. 24V D.C Supply :- a) The 24V D.C main supply is to be obtained from two (2) banks of 2 x 24V 200 AH main batteries via the main battery charger. Batteries to be sized for ship's transitional power supply for emergency duties without re-charging. Batteries to be float charged by two (2) 40 amp battery chargers. In the event of failure of the main (or emergency) source of power, the emergency batteries (transitional power supply) shall automatically supply power to the emergency lighting communications and navigation aids, etc. b) A 24V D.C supply for the radio equipment is to be obtained from one (1) bank of 2 x 200 AH main batteries via the radio battery charging panel, powered by one (1) 40 amp battery charger, automatically regulated.
9.4 SWITCHBOARD - MAIN The main switchboard shall be of opened hinged front and opened back screw type and arranged in the engine room. A fixed louvers complete with fine insect netting shall be installed in the back plate. It shall be fitted with split busbars, circuit breakers, voltmeters, ammeters, frequency meter and earthing for controlling the entire A.C. system For generator protection the generator circuit breakers shall have under voltage trip inverse time over current and instantaneous trip devices. Synchronising equipment for manual parallel operation of diesel driven generators shall be installed with synchronising lamps, synchroscope, selector switch for generators, frequency meter, governor motor switch etc. Shaft alternator shall not be warped for parallel running however paralleling for change over power without a black-out shall be provided. In addition to under voltage and over current relays, a reverse power relay shall be provided. Interlocking between shore power connection and shaft main generators shall be fitted. An earthing indication light and testing switch shall be fitted and also a selector switch for ammeter and voltmeter. The internal wiring of the switchboard shall be carried out in EPR insulated wire to Classification and specification with a maximum operating temperature and having the following insulation grades :- - Power Cables : 660 volts - Control Cables : 250 volts On completion of manufacturer and before despatched to the vessel the switchboard shall be subject to an electrical voltage test of 2000 volts at a frequency between 25 to 100 cycles in accordance with Classification requirements.
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The switchboard manufacturer shall be responsible for the preparation of all necessary detailed drawings and material list which shall be submitted to the Owner's Representative (two sets) and Classification (five sets) for approval prior to commencement with manufacturing of the switchboard. A rubber insulating mat shall be laid full length in front of and behind the switchboard. It shall have a minimum width of 600mm. All components throughout the switchboard shall be provided with white-black-white traffolite nameplates clearly indicating the components service and normal full load current ratings. The plates shall be secured with brass pins or screws. An insulated handrail shall be fitted to the front of the switchboard, it shall be at a convenient height and run the full length of the switchboard.
9.5 SWITCHBOARD - EMERGENCY One (1) emergency switchboard similar in construction to main AC switchboard shall be provided and installed for the control of one (1) 94 KW, 440V /3 Ph /60 Hz /3 wire, radiator cooled diesel engine driven alternator set. During normal operation the emergency switchboard shall receive power from the main switchboard. Distribution of electrical power shall be made available both at 440V and at 220V levels. The 220V distribution shall be derived from a 440/220V transformer.
9.6 DISTRIBUTION BOARD - 24V D.C. The 24 volt D.C. switchboard shall be provided for battery charging and distribution of DC sources. It shall be equipped with all necessary voltmeters, ammeters, isolation, changeover and selector switches for battery charging and circuit breakers, as required. A dummy push button switch to simulate power failure shall be incorporated.
9.7 CABLE INSTALLATION All cables shall meet with Classification rules. Where exposed to damage, external weather and in machinery spaces, cables to have galvanised steel wire braid armour and PVC outer sheathed. Care shall be exercised in the run of all cables to avoid areas of excessive temperature, action from condensed moisture or drip and protected from risk of mechanical damage. When required, the watertightness of the cable ends situated below the bulkhead deck shall be ensured by appropriate means at the time of installation. Normally cable runs shall not include joints. If a joint is absolutely necessary or desirable, it shall be carried out in a suitable box of such design that the conductors remain properly insulated and protected from atmosphere action, and fitted with terminals and busbar of 4 dimensions proportionate to the current rating. In toilet and washroom areas as far as practicable only cables absolutely necessary for the supply of equipment used in these spaces shall be permitted.
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All cables to be regularly colour coded or labelled. Penetration of watertight decks and bulkhead shall be effected in watertight manner. Lighter individual stuffed glands or boxes containing several cables and filled with fire retarding packing shall be used for this purpose.
9.8 CABLE COLOURS Vessel current carrying parts of different polarity shall be clearly marked with distinguishing colours as follows :- RED : PHASE ONE YELLOW : PHASE TWO BLUE : PHASE THREE
9.9 CABLE TRAY/SUPPORTS Cables within machinery spaces shall be secured by approved type saddles onto perforated galvanised steel tray/galvanised cable ladder. In accommodation spaces, cables shall be run behind panelling in horizontal or vertical run in an orderly manner and clipped to straps welded to frames. Where it is not practical to run cable behind panelling the cable shall be covered with battens. Cables subject to weather or mechanical damage shall be run suitably supported in pipe with welded unions. Pipe shall be smooth on the interior and not subject to deterioration from the effects of moisture. The pipes shall have their ends shaped or bushed in such a way as not to damage the cable covering. The pipes shall be mechanically and electrically connected to terminating boxes.
9.10 ELECTRIC DISTRIBUTION Distribution shall be by the three wires with neutral earthed system. Distribution of power throughout the vessel shall be generally as described.
9.11 DISTRIBUTION BOARDS Distribution boards situated in Accommodation spaces shall be installed in an easy accessible manner. Outgoing circuits, shall be fitted with traffolite nameplates indicating the circuits, maximum amps, and rating of fuse fitted. A.C. and D.C. distribution boards are to be double pole type. Power and lighting distribution boards in number and size as necessary.
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9.12 SWITCH PANELS Switch panels shall be sited at the wheelhouse and all outgoing circuits fitted with nameplates indicating the circuits. Radio Switch Panel (24V D.C.) The radio switch panel shall be powered from the radio battery via the radio charging panel. It shall be fitted with indication lights, ampere and voltage meters, fuses, circuit breakers and alarm indicator. Navigation Light Switch Panel (24V D.C.) This panel shall be fitted with a built-in transformer rectifier 220V AC/24V DC indicators, switches, buzzers, fuses, failure alarm indicator and change-over switch. Main supply is obtained from 220/1/60 A.C supply and emergency from the main batteries.
9.13 MOTORS All motors shall be suitable for working in climatic conditions and in accordance with the requirements of Classification. Generators and motors in excess of 50 KW shall have built in space heaters.
9.14 MOTOR STARTERS All motor starters shall be tested in accordance with Classification. All motor starters shall be enclosed in 16 SWG quality bright mild steel cases. The applied paint shall be treated in accordance with Classification Regulation. All cut outs and door edges shall be suitably sealed with gaskets, ensuring that the case is both dust- proof and hose-proof. Every starter shall have the load break insulator mechanically interlocked with the case door, ensuring power is off when door is opened. All outgoing cable terminations shall be located above in removable 6.5mm gland plate located in the base of the case thus providing ready access to terminals and glands. A starter shall be provided for all electric motor 0.5HP and above. Motors up to 15KW rating shall be started by means of a 'DIRECT ON LINE' type starter. Motors between 15KW and 50KW shall be started by means of a "STARDELTA" type starter. Motors above 50KW shall be started by means of an "AUTO-TRANSFORMER or SOFT" type starter. All the motor starters for oil related pumps, heaters and fans to engine room shall be fitted with remote stop stations located one in the passageway outside the machinery space and one in the wheelhouse. For discharge of oily bilge water, a stop push button shall be installed externally near the gangway (P+S).
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9.15 TRANSFORMERS Two (2) step-down transformers one as standby, shall be installed in Engine Room to provide for general lightings and power supply for the vessel, approximately 2 x 75 Kva capacity. One (1) step down transformer for 220V emergency supply, approx. 1 x 30 Kva capacity. One (1) step down transformer rectifier shall be installed in the Navigation light switch panel. It shall be of the open type rated for an input of 220V, 1 phase, 60 Hz, with an output of 24V D.C. This transformer rectifier shall be in the normal supply to the navigation lights.
9.16 STORAGE BATTERIES All batteries shall be of the lead acid type. All batteries shall be installed in steel or GRP watertight ventilated boxes on the bridge deck. The batteries shall be sat on non-absorbent insulating supports with similar spacer blocks at the sides to secure air circulation space all round the battery. The battery space shall be painted with a corrosion resistant paint.
9.17 SHORE CONNECTION EQUIPMENT Provision shall be made to connect a 200A, 440 Volt, 3 Phase, 60 Hz, supply from shore to the main switchboard. A drip proof supply switch fuse box with male type plug receptacle shall be fitted on the main deck in a convenient position and be permanently wired via a changeover switch, and phase reversal switch to the main switchboard. The system shall be arranged so that it is not possible to parallel ship's alternators with shore supply. The connection box shall be complete with circuit breaker, phase sequence indicator, pilot lamps and socket.
9.18 FUSES AND CIRCUIT BREAKERS Fuses circuit breakers used throughout the installation shall be of the Classification approved type and shall be suitably sized to circuit requirements.
9.19 SWITCHES All switches in the accommodation are to be flushed mounted and switches in the engine room and other machinery and watertight compartments are to be watertight and metal mould (marine type) Control switches shall be suitably sized to circuit requirements.
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9.20 SOCKETS AND TERMINALS Cable sockets and connecting terminals shall be of such dimensions that the maximum current likely to flow through them shall not produce heat which would be injurious to the installation. Where soldering is adopted for securing cable sockets and connecting terminals, corrosive solid or liquid flukes shall not be used. Accommodation :- Non-watertight 220/1/60, switch sockets, flush or surface mounted shall be fitted throughout the accommodation spaces. Engine Room/Galley/Stores Watertight 220/1/60, switch sockets, marine moulded type surface mounted shall be fitted throughout the engine room, galley and store space Deck Reefer Sockets
2 Nos. 32 amps, 440/3/60Hz sockets shall be installed on the main deck adjacent to the deckhouse.
9.21 LIGHTING Cabins ; 220V A.C., 2 x 20W fluorescent Engine Room : 220V A.C., 2 x 20W, watertight and guarded fluorescent. Floodlights : 24V D.C., each 50W in way of liferaft areas.
9.22 NAVIGATION LIGHTS Double tier lens, 24V D.C x 40 watt navigation lights shall be fitted. The navigation lights shall be according to International Regulations. At least to consist of the following :- - Four (4) Masthead lights (3 on forward mast & 1 on aft mast) - Two (2) Towing lights - One (1) Port light - One (1) Starboard light - One (1) Stern light - Two (2) Anchor lights - One (1) set of Immigration lights - One (1) set NUC lights (three in number)
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All navigation lights shall be controlled by a 6-way indicator panel fitted in the Wheelhouse. The supply shall be taken normally from the 220/1/60 A.C. supply via a 24V D.C output, transformer/rectifier and during emergency from the main batteries. Each navigation light shall be controlled and protected by a double pole switch and fused on each conductor. A visual and audio indicator shall be fitted.
9.23 EMERGENCY LIGHTS (220V AC) Emergency light is to be provided and fitted at strategic points in the wheelhouse, lobby, steering gear, bow thruster and cement tank compartments, engine room, at entrances, galley, mess and radio area. All to Classification and relevant Authority requirements. Emergency lights shall be automatically energised on failure of main A.C. supply and shall form part of the normal lighting system.
9.24 FIRE AND GENERAL ALARM Fire and general alarm supply system is to be taken from 220V A.C. and the 24V D.C. supplies. Alarm push buttons are to be fitted in wheelhouse, forecastle deck, main deck, bow thruster compartment and engine room. Alarm bells are to be sited in wheelhouse, forecastle, and main deck lobby. An alarm horn is to be installed in the bow thruster compartment. In the engine room, an alarm horn complete with a red rotating beacon is also to be fitted. The installation shall meet SOLAS, Classification and relevant Authority requirements.
9.25 MAIN AND AUXILIARY ENGINE INSTRUMENTATION AND ALARM All alarm shall be operated on 24V D.C. supply. The main engine shall be supplied from D.C. main switchboard. All the engines and low level alarms, including bow thruster engine, shall be provided with a panel in the Engine Control Room and in the wheelhouse with visual and audio indicators. A steering gear visual and audio alarm indicated shall be provided.
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10. SPARES AND TOOLS SPECIFICATION
10.1 SPARES Spares parts to be provided by Builder in accordance with the Manufacturers' and Classification Society's recommendations.
10.2 MAINTENANCE AND WORKSHOP TOOLS Lifting lugs suitable for use of chain blocks are to be fitted in the following positions :- - Two (2) points above centre of each main engine. - One (1) point above each gearbox. - Two (2) points above each intermediate shaft. - Two (2) points above each generating sets - One (1) point above each pump. - Two (2) points on the outside of the hull and adjacent to each propeller. - Two (2) points on the outside of the hull and adjacent to each rudder. - One (1) point above each rudder stock on the underside of main deck. - One (1) 1-ton chain block - One (1) steel workbench with adjustable light and drawers and lockers with padlocks under in the engine room. - One (1) 6" vice mounted on the workbench. - One (1) pedestal grinder. - One (1) electrical portable drill. - Two (2) steel sounding tapes for F.O. and F.W. - One (1) electrical hand inspection lamp with 10m wandering lead. - Two (2) keys for sounding pipes screw plugs. - One (1) lot CP Propeller standard tools.
MKT/ZY/ss/01.08.07 CONAN WU & ASSOCIATES C4173E 60M ANCHOR HANDLING TUG/SUPPLY VESSEL
TECHNICAL SPECIFICATION
for the
CONSTRUCTION
of
60M ANCHOR HANDLING TUG/ SUPPLY VESSEL
HULL NOS: H-038 & H-039
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TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
1 GENERAL 1 - 9
2 HULL 10 - 14
3 ACCOMMODATION 15 - 23
4 PAINTING 24 - 27
5 DECK MACHNERY 28 - 31
6 PIPING SYSTEM 32 - 39
7 SAFETY EQUIPMENT 40 - 48
8 MACHINERY 49 - 55
9 ELECTRICAL 56 - 63
10 SPARES & TOOLS 64
** End **
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