internt memorandum - danpilot is the danish state … appendix b... · web viewsafe and adequate...

DanPilotNew Pilot Boat

Compliance Information

(OSK-ShipTech 160450.0120.01)

Date: 02.09.2016Sign: KHM

Client:

1 of 33

Client Name: DanPilot Havnepladsen 3A, 3. salDK-5700 SvendborgDenmark

Contact Person: Anders L. Thomsen

E-mail: [email protected]: + 45 30 32 32 89

Document Classification: Public

OSK-ShipTech:

Author: Kristian Holten Møller

Approved: KHM

Contact Person: Kristian Holten Møller

Mail: [email protected]: +45 29 43 72 20

Department: Bryggervangen 55, 1.tvDK-2100 Copenhagen OE

2 of 33

Summary: This document is intended for Suppliers own indication on the compliance of their offer to DanPilot Technical Requirement Specification 160450.0131.01

Document History

Document ID:

160450.0120.01 New Pilot Boats Suppliers Compliance

0 Final 02.09.2016 KHM RABRev. Status Date Sign. Check Note

3 of 33

COMPLIANCE INFORMATION

IntentWith reference to instruction, cf. section C6.2. in the Procurement material (Document C), the Supplier is supposed to inform whether and how the offered boat comply with the technical requirements as set out in the document 160450-0131.01 - DanPilot New Pilot Boat - Tender Requirement Specification and where in the offer this has been described.

For each technical requirement Supplier to indicate by filling out below compliance matrix, whether Supplier consider his offer is in compliance, a short description on how, and where by indication of page and/or section and /or drawing this is shown/documented in his offer.

Definitions

DMA: Danish Maritime AuthorityClass: A classification society member of IACS and/or recognised by DMAPilot boat: A commercial craft approved for transport and boat-to-ship transfer of pilots.Supplier: Supplier of the fully equipped pilot boat ready for operation

Supplier`s Accession

Name of Supplier:

Date and place:

Signature:

4 of 33

A. Pilot Boat Functionality

A. Pilot Boat Functionality - Class A RequirementsNo Item Compliance Description Reference

A-A1 Length over all not more than 15 meter, not less than 13,5 meter.

A-A2 Maximum draught full loaded condition 1.80 meter.

A-A3 Gross tonnage less than 19.99 BT according to IMO International Convention on Tonnage Measurement of Ships,1969 and as administrated by DMA in Order no 845 01 December 1998.

A-A4 Continuous speed at sea state BF 2, 100% fuel and all persons on board not less than 22 knots.

A-A5 Operating area 25 nm off nearest Danish coastline all time of the year.

A-A6 Fuel oil tank capacity sufficient for minimum 8 hours of operation at 22 knots with all service systems in operation and 25% residual fuel in total.

A-A7 Not less than 4 pilots seats and arranged in wheelhouse.

A-A8 Fender system both sides of the boat supporting transfer of pilot operation.

A-A9 The fender system to be mechanical fixated and divided into sections for replacement.

5 of 33

A. Pilot Boat Functionality - Class B RequirementsNo. Item Complianc

eDescription Reference

A-B1 The Supplier is encouraged to clearly and prominently to describe other qualities which according to Suppliers’ own assessment, is significant for the "Functionality" as defined under "Intent" and in section C6.2.1 in the Procurement material (Document C).

A-B2 The design of the offered pilot boat to be of a proven concept defined as follows:

1 or more Commercial Workboats with a concept design comparable to the offered design, size, speed and capacity that has been designed, and / or built and put into operation within the last 10 years, and operated successfully for minimum 6 months within the last 5 years. A commercial workboat in this sense is defined as a pilot boat, a crew boat, a SAR boat, a patrol boat, or other similar workboat, that has been built for the purpose and certified for commercial use according to rules and regulation by Class, and/or by an EU Flag State.

The candidate to inform what “Proven Concept” as defined above forms basis for the offered Pilot boats, including sufficient documentation e.g. by Class or Flag State condition log and certificates, statement on operation experiences from operator of boat of comparable design, list of pending and non-pending warranty claims, or

6 of 33

similar references.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Functionality” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

A-B3 Best and adequate arrangements, systems, equipment and outfitting for safe navigation and operation of the boat and its functionalities by one crew in total.

Supplier is encouraged to explain in general how the boat is to be operated in the transit and in the pilot transfer mode.


A-B4 Continuous speed at sea state BF 2, 100% fuel and all persons on board more than 22 knots.

A-B5 The hull and deck lines of the pilot boat to facilitate good ability for “going alongside” and “break off” a ship doing speed when transferring pilots e.g. by good deck curves and sloped aft deck corners or similar.

A-B6 Excellent fender enabling good protection of the pilot boat when coming alongside ships

7 of 33

doing speed and for protection when docking into harbour key e.g. by fenders on stem and stern.Simple and robust fixation of fenders outside the hull for easy dismantling. Fenders divided into high number of sections with low weight for easy replacement and handling.


A-B7 Arrangement for more than 4 pilot seats and with enhanced space between seats, and preferably placed in single line.

A-B8 Best possible wheelhouse position and size leaving adequate and well-arranged deck space for pilot transfer operation, mooring equipment, good access to boat compartments, and stores and into wheelhouse.

A-B9 Flexible mooring capability e.g. with two double mooring bollards at fore ship, amidships and in aft ship.

A-B10 Good and adequate stores capacity with weathertight closing for mooring lines and deck stores arranged on deck.

A-B11 Arrangement for easy handling of anchor and sheltered storing of the anchor cable.

8 of 33

A-B12 Best possible arrangement of a robust mast or similar for position of navigation lights and equipment, like cameras, Sat-compass, radar scanner etc. for optimal functionality and good access.

A-B13 Good and safe access to top of wheelhouse for maintenance and de-icing.

A-B14 The wheelhouse to have good clear visibility from conning position/master position in upward direction both sides, and best possible to aft, starboard and port side.

A-B15 Means to keep windows in the wheelhouse free of dew and ice e.g. by combination of controllable heat tracing and de-misting ventilation.Please indicate what windows are included by number and position.

A-B16 Wheelhouse windows provided with robust and effective wiping and washing system ensuring good visibility at all weather and sea conditions e.g. by manually and automatically controlled windscreen wipers of a robust marine type with integrated fresh water wash system or similar.Adequate fresh water storage in frost-free designated tank with good possibility for easy monitoring and re-fill.

Motor and drive for wipers with good protection against green water and ice e.g. by position inside wheelhouse or in protected box of high IP-class or similar having lowest possible noise mitigation into the wheelhouse and adequate

9 of 33

and easy access for maintenance.

Please indicate what windows are included by number and position.

A-B17 Easy and weathertight access to wheelhouse from outside and enabling a person on a stretcher/spine board to pass preferably by minimum 800 mm clear width.

A-B18 Best possible visibility for the pilot and adequate access to electronic sea chart (ECDIS) from the foremost pilot seat.

A-B19 Good and adequate storing cabinets in wheelhouse or similar position with easy access, for thermal protective suits, working lifejackets and luggage for every person on board.

A-B20 Air intake for main engines and ventilation of accommodation well sheltered from spray and green water on deck and have adequate means for preventing water and mist ingress.Good means of de-icing of fire dampers placed on outside deck e.g. by electric-tracing or protected against ice increment or similar arrangement.

A-B21 Bow thruster or other installation providing adequate manoeuvring characteristics up to 17 m/s beam wind when docking the boat under harsh environment conditions.Best possible arrangement and good means of reducing noise level when operating the installation.

10 of 33

A-B22 Means and arrangement giving best possible manoeuvring and course keeping ability at speed less than 3 knots.

A-B23 Robust and safe control of the steering system manually and by autopilot, operating both means of steering in parallel.

A-B24 An adequate and integrated navigation system of newest proven technology enhancing easy operation and monitoring e.g. by multi-function display and modem data transfer and integrating system like ECDIS, Radar with AIS and ARPA targeting and overlay, Auto Pilot, Echo sounder, GPS, Log and other navigational system.

A-B25 A good and robust autopilot of newest proven technology, compatible with the other navigation equipment and preferably of an adaptive type.

11 of 33

B. Working Environment & Safety

B. Working Environment & Safety - Class A RequirementsNo. Item Complianc


B-A1 The Pilot boat to have a take aboard system for overboard fallen person approved by DMA for operation of the system by one person.

B-A2 All arrangement, equipment and systems for communication and distress to comply with GMDSS area A1.

B-A3 Inflatable life raft(s) to be of SOLAS certified type.

B-A4 The propulsion of the boat to be by minimum two (2) separated propulsion lines complete, and minimum including engines, transmission and engine control systems.The twin-engine installation shall be separated in order to achieve full redundancy in case of engine breakdown, should one failure result in loss of maximum 50 % engine power.

B. Working Environment & Safety - Class B Requirements

No. Item Compliance

Description Reference

B-B1 The Supplier is encouraged to clearly and prominently to describe other qualities, which according to Suppliers’ own assessment, is significant for the "Working Environment and Safety" as defined under "Intent" and in section

12 of 33

C6.2.2 in the Procurement material (Document C).

B-B2 The hull below main deck to have best possible watertight subdivision maintaining good buoyancy of the boat in case of damage below main deck and subsequent flooding of one or more compartment(s).

The boat to have best possible stability in damaged condition e.g. meeting following criteria’s or similar:

In damaged condition, the main deck of the boat is not to be fully submerged.In addition, a residual righting lever GZ to be obtained when applying a heeling moment that equals the weight of the life rafts and all persons on board, positioned at the deck corner of the main deck.

GZ to be calculated as:

GZ = heeling moment / displacement + 0.04

However, preferable better than 0.10 m.

B-B3 Seat(s) for the crew/navigator at conning position of good marine type with best possible comfort and good ergonomic working position e.g. by motion-damping, adjustable position, height, back rest, foot-rest and joy-stick controls of steering gear in the armrest.

B-B4 All pilot seats of good marine type with best possible comfort and good ergonomic working position e.g. by motion-damping motion and

13 of 33

with foldable table or similar.

B-B5 Deck layout well arranged for safe boat-to-ship transfer of pilots on both sides of the boat, including best suitable flexible positioned and safe arrangement of pilot transfer rig, man over board pick-up arrangement, railings, handlebars and track for safety harness along deckhouse sides and on deck as necessary and with good access from key side to deck.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Working Environment & Safety” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

B-B6 Safe working place on wet and slippery deck e.g. by non-skid deck covering or painting at walkways and working areas.

B-B7 Best possible means of removing ice increment in safe and easy manner e.g. by electric and/or hot water heat tracing of deck, inside steps and handlebars on pilot bridge and handle bars on deck for, safe ship-to-ship transfer of pilot, and for the man-over-board system.

B-B8 Means of manual de-icing e.g. by pressurised hot fresh water arranged on open deck with good possibility for serving as de-salinating / deck wash.

B-B9 Lowest noise level in wheelhouse at 90% load

14 of 33

on the propulsion machinery, including running of all necessary ventilation, auxiliary and navigational equipment.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Working Environment & Safety” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

B-B10 The wheelhouse to provide a good working environment e.g. best view to horizon when pilot is sated in chairs other than the foremost position, a washbasin with hot and cold fresh water and a refrigerator for storing food for daily consuming and good quality high end interior material.

B-B11 Adequate fresh water tank capacity with possibility to serve all persons on board in daytime operation not considering preparation of food nor personal washing.

B-B12 Adequate and robust surveillance and operating panels of modern proven marine standard including as many as possible equipment for the navigation and boat systems, located best possible within the Navigators’ natural field of vision and reach when seated in the chair.

B-B13 The taking-aboard arrangement to take aboard a person who has fallen overboard, to be of simple design e.g. by hoist and cradle of more than 1500 mm, and arranged for easy and safe

15 of 33

access and operation.Best suitable power system of the arrangement e.g. by electric, hydraulic or similar power system.

B-B14 Additional inflatable life rafts achieving a total capacity for more than all persons on board.

Best position of the life rafts achieving high coverage of the boat e.g. one life raft positioned at fore and one at aft ship and preferably at opposite sides of the boat as far as practicable.

Easy launching of life rafts by one crew e.g. by remote release or similar.

B-B15 Easy, robust and precise control of the steering system with a high degree of redundancy e.g. by power system, redundant for port- and starboard steering gear, combined with common steering wheel inside wheelhouse, and with possibility of separating port- and starboard side power system in case of failure or similar.

B-B16 Effective heating, ventilation, and air conditioning system for the wheelhouse keeping temperature at 18 - 20 °C at all operations regardless of the outside design temperature as specified.Effective and adequate ventilation for de-misting the wheelhouse inside surfaces.

B-B17 Adequate heating in working spaces outside wheelhouse with air changes and temperature as per normal standards provided in best

16 of 33

possible way.

B-B18 High degree of independence bilge capacity beyond DMA requirement of compartments except forward of the collision bulkhead and small cavities e.g. by individual remote controlled submersible pump(s) with manual and auto start.

B-B19 High capacity of the fixed fire extinguishing system in the machinery room including other spaces adjoining the engine room, e.g. a steering gear room, tank room or other adjoining room.

B-B20 An integrated control, alarm and monitoring system of modern proven marine standard including as many as possible main systems e.g. engines, HVAC, lights, bilge, fuel oil, fire alarm and extinguishing etc.The system to have high additional I/O capacity and good possibility for remote access and data exchange and alarm to land functions e.g. by mobile 4G modem or similar with high send/receive capability.

Please inform in details what systems and related functions are included.

B-B21 Simple and highly reliable means for preventing any damages when propeller shaft is milling when engine(s) stopped in case of failure on propulsion line and pilot boat doing speed for return to port.

B-B22 Best possible illumination in working areas, e.g. in wheelhouse and on consoles dimmable

17 of 33

where relevant including possibility to switch between white and red light and, on deck, on handrails on pilot bridge etc.The illumination should give a good, safe and reliable light for operation and working on the pilot boat and be of low energy type where applicable preferably LED or similar.

B-B23 Good and reliable light adequate for safe navigation at sea, docking and taking aboard operations e.g. by docking lights of close and long-range type and dual beam individual easy controlled searchlights of LED type or similar etc.

B-B24 Best possible number and position of 230V AC true sinus outlets with good protection of connected apparatus and dimmable reading illumination servicing seated pilots.

B-B25 An integrated navigation package exceeding DMA requirement and in best way enhancing safe navigation e.g. radar, ECDIS, AIS, GPS, Echo Sounder, Log etc.

B-B26 A communication package exceeding DMA requirement and in best way enhancing safe operation e.g. by multiple VHF, Wireless intercom, deck hailer, sound reception system and GMDSS EPIRB and SARSAT in excess of GMDSS area A1.

B-B27 Best coverage of robust monitoring and surveillance equipment for safe operation and enhanced SAR capability e.g. by forward looking IR and low light camera (FLIR), and CCTV surveillance of engine room, and

18 of 33

working areas.

19 of 33

C. Maintenance & Operation

C. Maintenance & Operation - Class A RequirementsNo. Item Complianc


C-A1 The engines are configured for a Normal Continuous Service Rating (NCSR) corresponding to the operational service speed of minimum 22 knots as defined in A-A4.

C-A2 The pilot boat structure and surfaces to be treated and coated in order to prevent corrosion and fouling in accordance with paint specification, scheme and procedures as specified by the paint maker, normal marine standards.

C-A3 Battery capacity for minimum 1 hour of operation of all service consumers excluding AC system.

C-A4 Following test must form part of performance test program:

Speed at 100% MCR in calm water BF2.

Fuel oil consumption test for each engine at test bed according to ISO standard and fuel oil consumption recorded at speed test.

20 of 33

C. Maintenance & Operation - Class B RequirementsNo. Item Complianc


C-B1 The Supplier is encouraged to clearly and prominently to describe other facts which according to Suppliers’ own assessment, is significant for the "Maintenance and Operation" as defined under "Intent" and in section C6.2.3 in the Procurement material (Document C).

C-B2 The engines are optimized for Normal Continues Service Rating (NCSR), and achieving the NCSR as the economical speed with lowest possible specific fuel oil consumption (SFOC), highest possible running hours between service intervals.

Please inform the corresponding power output, speed, SFOC curve, service intervals, service activities and spare parts related to the service intervals.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Maintenance & Operation” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

C-B3 The engines are in their design rated for a surplus power above NSCR.The NSCR to be considered in relation to the Maximum Continues Rating (MCR), achieving as much additional power from NSCR load (XX %) to MCR (100%).

21 of 33

Please inform the corresponding surplus power output above NSCR, the speed at MCR (100%) and SFOC curve for the complete load spectra with SFOC on the Y-axis and Engine load % on the X-axis.

C-B4 Good and reliable metering and indication of actual fuel consumption of the engines e.g. by high-end fuel flow meter and indication in integrated control and monitoring system or similar solution.

C-B5 Good possibility for machinery data exchange for maintenance surveillance and diagnostics purpose e.g. via the engine can-bus gateway to an external data sampling and storing system.

Please inform how and what type of data can be exchanged.

C-B6 Long service and maintenance intervals for the engines package.

Please inform manufactures recommended maintenance procedures and intervals.

C-B7 Simple and robust propulsion line, e.g. by well supported propeller shaft, simple lubrication and sealing system, and a fixed pitch propeller.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Maintenance & Operation” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

22 of 33

C-B8 Propulsion machinery, auxiliary system, batteries and main switchboard well arranged in separate machinery room and with adequate space for dismantling and repair as well as possibility of replacing units readily.

Safe and easily access to valves, filters and other equipment subject to frequent operation, cleaning or inspection.

Easy access to engines and other main components e.g. by hatch above, and/or means for easy mowing of heavy parts into workable positions.

C-B9 Effective, reliable and economical heating system when operating at sea and at stand still periods in harbour, taking into consideration low maintenance and energy consumption e.g. by utilise waste heat from engines in combination with a fuel oil fired unit heater or similar better system.

The system to include standstill heating of main engines when at harbour, in order to keep engines ready for immediate load on full power effect.

C-B10 Good protection against corrosion by suitable long lasting paint type of 5 years lifetime or more.High abrasion resistance and long lasting antifouling coating on bottom and hull sides of the boat with lifetime of 24 months and 50.000 nautical miles operation or longer.

23 of 33

Please inform paint specification.

C-B11 Battery capacity for more than 1 hour operation of all service consumers excluding AC system.

Please inform duration and what service consumers are included.

C-B12 Safe and maintenance free battery banks with good possibility of alarm and monitoring of essential functions e.g. earthing, temperature, voltmeter and amp meters etc. High back-up capacity for starting power with good separation of battery banks.

Please inform battery configuration of starting, service, emergency, radio, and other batteries.

C-B13 Production quality, functionality and performance well verified by production and shop test, harbour and sea trials tests performed according to a test and trial program, including all relevant structures, systems and equipment.

Please inform test program extent and methodology.

C-B14 Adequate and well-organized specific service and maintenance documentation with easy overview of information on intervals and procedures for main equipment and machinery in electronic format suitable for programmed maintenance system.

Please inform extent and type of documentation by specification and/or examples.

24 of 33

Good and easy readable manuals and signs in both English and Danish e.g. laminated manuals with good illustrations and signs in material suitable for purpose e.g. plastic or bronze or similar.

C-B15 Adequate and good extent of service and support for loading-in above mentioned service and maintenance documentation into the programmed maintenance system in use at DanPilot type MARAD latest version.

Please inform service and support offered.

C-B16 Adequate and well-organized package of relevant documentation for repair, troubleshooting and maintenance e.g. drawings and analyse reports including hull structure, arrangements, deck layouts of machinery and accommodation rooms, bridge layout with navigation equipment, safety plans, process and instrumentation diagrams (P&ID) for essential systems, electrical diagram etc.

Please specify list of documentation and how the documentation is organized.

C-B17 Ensure high level of security for supply of wear-parts that is either custom made or not available from normal suppliers. Such parts could be fender-system, motion damper system for wheelhouse, windows, special parts for propellers, steering and drive line, boarding rig etc.

Please inform how supply is ensured.

25 of 33

C-B18 Well organized program with best possible coverage for training and instruction of crew in operating and maintenance of the boat and its system, and of non-standard special equipment installed.

Please inform what program is offered e.g. by system/equipment, type of training and instruction process, place and duration of training etc.

26 of 33

D. Design

D. Design - Class A RequirementsNo Item Compliance Description Reference

D-A1 The hull and superstructure built under survey and certification of Class according to relevant class requirement and notation for pilot boat.

D-A2DanPilot intends to operate the pilot boat all year round in Danish waters hence at very low temperatures and including chill effect during wintertime.

Pilot boat to be designed for temperatures as follows:

Outside climate Temperature Relative humidity

Summer +25 C 80%

Winter -20 C

Wind speed 30 m/s

D-A3 Engines to operate on marine gas oil max 0,1 % sulphur and according to ISO 8217 DMX/DMA” and be compliant with applicable regulation as set out in IMO MARPOL Annex for SECA area Baltic Sea, and be IMO NOx compliant as applicable.

27 of 33

D. Design - Class B RequirementsNo Item Compliance Description Reference

D-B1 The Supplier is encouraged to clearly and prominently to describe other qualities which according to Suppliers’ own assessment, is significant for the "Design" as defined under "Intent" and in section C6.2.4 in the Procurement material (Document C).

D-B2 Adequate package of relevant drawings, analysis and calculation reports, certificates and other documentation enabling good information to DanPilot on the design and construction of the boat, and that will be submitted for DanPilot comments, in due time for any adjustment to be implemented into the design and building of the pilot boat.

Please inform documents included in the design package for DanPilot comments.

D-B3 Best suited hull material giving high degree of corrosion resistance, high local strength, low weight, good ice strengthening capabilities and relative easy to repair with less requirement to surrounding environment e.g. marine type aluminium alloy or similar.

Low risk of galvanic corrosion e.g. by uniform material and good galvanic isolation.

Please note that this Class B requirement is of high importance to DanPilot. At the assessment of the sub-criterion “Design” this Class B requirement will therefore be considered higher than the rest of the Class B requirements regarding this sub-criterion.

28 of 33

D-B4 Best suited material for superstructure with good integration to hull material used for the hull and easy for installation of equipment and outfitting and relative easy to repair with less requirement to surrounding environment e.g. marine type aluminium alloy or similar.

D-B5 Design load for hull structure in excess of DMA and Class requirement for the specified operation area.

Please inform corresponding speed and significant wave height or other similar corresponding operation conditions the hull is designed for.

D-B6 Strong support of the fender and their fixation points with low risk of damaging the hull and equipment e.g. by additional strengthening of the supporting structure in the hull, load spreading or similar solutions.

D-B7 Hull lines achieving good manoeuvrability, low ship motions, low slamming impact and less spray/green water on deck, at service speed and sea state corresponding to BF 2 or higher.

D-B8 Freeboard and bow height or similar ensuring good sea keeping abilities e.g. 1.50 meters or higher.

D-B9 Effective means for easy adjusting of dynamic trim and heeling when the boat is doing speed at transit and transfer operation.

D-B10 Easy access to fuel oil, water and sewage tanks,

29 of 33

and tanks design with low risk of damages and easy repair e.g. by tanks not to form part of the hull structure.

D-B11 Special reinforcement against occasionally operation in light sea ice as it appears in Danish waters, in excess of DMA and/or Class requirements, e.g. including hull and steering gear, propeller and propeller shaft and/or other area as relevant.

Please inform design and type of the ice strengthening.

D-B12 Good and robust lining in working and accommodation area e.g. by glass cloth or thin steel plate or equivalent type.

D-B13 Good possibility for sectioning of hot water heat tracing e.g. by several section valves or similar in case of damages and repairs.Residual heat from engines to be utilized best possible.

D-B14 Where heat tracing for de-icing is electrical the installation to be safe, and controllable and easy to repair e.g. by low voltage and divided in sections with manual and temperature control or similar.

D-B15 Simple configuration of auxiliary systems e.g. by build-on pumps, coolers and generators on propulsion engines or other configuration giving similar effect.

D-B16 Good isolation of superstructure toward hull and flexible mount of machinery or similar design

30 of 33

solution achieving lowest possible noise level and harmful vibrations in wheelhouse and working areas.

D-B17 Bunker station and sewage tank discharge on deck with safe and easy access, and fuel line with high degree of redundancy and safety e.g. by cross-over line, dual filters and fixed fuel return connection.

D-B18 Lowest possible engines exhaust external noise level with less risk of creating backpressure not in accordance with engines specifications.

Good means of preventing water ingress into exhaust system, and positioned best possible to prevent fumes into ventilation intake and other openings or solution achieving similar effect.

D-B19 Cooling water system with high degree of redundancy, low risk of corrosion, blocking of seawater inlet by ice, ingress of dirt and fouling, and with high water intake capacity, to load both engines 50% each or more, on one sea connection only.

Following or similar solution will be considered to contribute positively to the requirement:More than one seawater connections having size twice the requirements, heat exchangers to fresh water system, double strainers capacity, valves and pipes of design and material with high corrosion and cavitation resistance, e.g. of bronze CuNiFe or other Class approved metals as applicable and e.g. with extended wall thickness and nominal schedule.

31 of 33

Good access and easy replacement of the cooling water system e.g. by sectioning of pipes and fitting type easy for assembling.


D-B20 Good and reliable cooling water supply for air condition unit with best possible arrangement avoiding stripping / back flush of cooling water and/or “false air” intake due to ship motion when boat doing speed.

D-B21 Alternators, inverters, and fuses with 30% overcapacity or more relative to highest load, and with high ability to supply service system including AC system at least at idle speed both engines or better.

D-B22 Well and safe protected shore connection according to DanPilot standard type plug CEE 3P 32A 400 VAC, with safe and easy access on deck e.g. in a lockable box with indication light.

Safe shore connection with adequate power to supply heating, alarms, and lights and if possible ventilation of wheelhouse or more.

D-B23 Safe and adequate redundant electric power supply system with high degree of overcapacity and by high-end quality equipment and safe installation.

Following or similar solution or additional similar

32 of 33

features will be considered to contribute positively to the requirements:

24 VDC to 230 VAC true sinus converter with good overcapacity and RCD switchboard

two-channel 24 VDC chargers for at least the starting and service batteries

battery power installation, with growth potential of 10% or more relative to installed capacity

interchangeable load distribution in 24 VDC and 230 VAC switchboard

power cables of halogen free type or similar

electric components of proven maritime quality to IEC standard

exterior components of class IP68 protection or better.

corrosion free pipes or trays for installing cables of aluminium or stainless steel

bulkhead penetrations of flexible size sealing system with 10% or more overcapacity

Please inform design solution and capacities considered.


33 of 33

internt memorandum - danpilot is the danish state … appendix b... · web viewsafe and adequate...

Documents