Anx B Specification Dovra-2-2013

8/18/2019 Anx B Specification Dovra-2-2013

1/33

1

Technical SpecificationDovra 2-2013

Marine Pollution & Work Bargefor

Israel Electric Corporation Ltd.

August 2013

Prepared and editedBy

Mar-Tech Marine Systems LtdEngineer Isaac Avtalion

Mr. Dror Maor

דק: רמי מנשה

ויצמן מ שר: שרג


2/33

2

Artist's impression - Illustration for reference only.


3/33

3

Content

PARAGRAPH No SUBJECT PAGEA introduction 5

1-3 General description 5

4 Main dimensions 5

5 stability 6

6 Ambient conditions 6

7 regulations 6

8 Classification 7

9 approval 7

10 Documents 7

11 warranty 8

12 Delivery 8

13 Workmanship and quality of materials 8

14 Hull construction 8

15 Main scantlings 8

16 Tanks configuration 9

17 Fuel oil tanks 9

18 Fresh water tank 9

19 Oily water system & tanks 9

20 Deck & deck equipment 9

20.1 cranes 10

20.2 capstan 10

20.3 Towing winch 10

20.4 Lashing arrangement 10

20.5 anchors 11

20.6 Rolling drum (roller) 11

20.7 Accommodation & storage containers 11

20.8 Mooring lines 11

20.9 hatches 11

21 Manholes 12

22 Stairs , ladders &diver's ladder 12

23 Air gratings 12

24 Air duct covers 12

25 inspection 12

26 Rubber fenders 12

27 Bollards 12

28 mast 12

29 Barge particulars 12

29.1 Draft marks 13

30 Equipment &system name pates 1331 Engine room 13


4/33

4

32 alarms 13

33 Emergency stop 14

34 Hydraulic piping 14

PARAGRAPH No SUBJECT PAGE

35 floors 14

36 pumps 14

37 Bilge system 14

38 Firefighting and deck wash 15

39 Fuel oil system 15

40 Fresh water system 15

41 Cooling water system 15

42 Exhaust system 16

43 Hydraulic system 17

44 Sewage and sanitary arrangements 17

45Electric installation

17

45.2 Diesel generator &380V AC system 17

45.3 batteries 18

45.4 Batteries charging 18

45.5 Shore power & external generator

connection

18

45.6 Cables and wires 19

45.7 Switchboard/distribution panels 19

45.8 lighting 20

46 Air compressor 20

47 Utility box/ pillars 2048 paint 21

48.2 Table of painting specification 22

49 Cathodic protection 23

50 ventilation 23

51 Lifesaving equipment 23

52 VHF 23

53 megaphone 23

54 Spare parts, tools and inventory 24

55 Test and trails 24

nomenclature 25Appendix A 26

Appendix B 27

Appendix C Accommodation container 28

Appendix C1 Storage container 30

Accommodation container drawing 31

Storage container drawing 32

Appendix D 2 divers lifting cage 33


5/33

5

A. INTRODUCTIONThis technical specification is intended to cover in sufficient detail therequirements for the construction and supply of an Oil Pollution Treatment

& Work , Steel Hull working barge for the Israeli ElectricCorporation(hereinafter "IEC" or the "Owner").

Participating parties/shipyards/suppliers are invited to offer a proven designof such a barge and to provide a full and complete specification to IEC, inorder to be qualified for the Tender. All details of this specification should be regarded as basic and obligatingguidelines for the full and complete technical specification of a provendesign barge – offered by the participants in this bid.All illustraions and drawings are for reference purposes only.The printed final specification will form an integral part of the

building/purchase contract signed by the owner and builder/supplier.

IEC has the right at all times to supervise the building/outfitting/preparationof the barge to be supplied, by his representatives (or others nominated byhim).

GENERAL DESCRIPTION1. The barge is intended for service as a costal work/diving and anti -

pollution platform for IEC's Marine Department on the east coast of theMediterranean Sea.

2. The barge will be towed by a small tug/working boat.3. The main tasks are:

a. Carrying anti-pollution equipment , deployment & retrieving thatequipment.

b. Divers platform for underwater maintenance and repairs. c. Maintenance of mooring equipment such as, chains, anchors &

hoses. d. Maintenance of mooring bouys, (lifting and pulling bouys) in water and on

board the barge.

e.Receipt of 100 cubic meters of oily water into holding tanks on board thebarge .

4. Main dimentions:Length - over all (LOA): ABT 20-24 meter.Length water line (lwl):ABT 16-19 meter.Beam (BOA) : ABT 8.5 meterDraft max (full loaded) :ABT 1.8- 2 meterFree board: ABT 1.5- 1.1 meter.Oily water tanks : ABT 4X25 cubic meters (no less than a total of 100cubic meters)

Fresh water tank: 1X5 cubic metersEngine oil tank: 1X 200 litres


6/33

6

Hydraulic oil tank: 1X 200 litresFuel tanks: 2X2500 litre (settling) + 1 X 1500 litres (daily)Holding tank: (grey water) 200 litresHolding tank: (sanitary water)300 litres.Sludge tank: 250 litres.

Balast tank: ABT 6 X18 cubic meters.( height of tanks on the sides)

5. Stabilitya.The barge will be stable and safe under all normal operatingconditions and will comply with class & IMOT Regulations for stabilityand safety for "crane working platforms" .b.Stability calculations booklet including:Hydrostatic-calculations,damage stability calculations, transverse and longitudinal stability, G-Zcurves and/or any other stability related requirements by IMOT, shall beprepared for IMOT approval.c. GM height will be sufficient at "light ship" condition.

d. the calculations will take into account the use of a marine crane withS.W.L of 10 tons at 10 meters boom over board.e. under maintaining towing course : special care will be made toimprove maintaining course under towage by adding fixed rudders/skegs.

6. Ambient ConditionsBarge and equipment must be capable of operation at ambienttemperatures of up to 45ºC, relative humidity of 100%, sea watertemperature up to 32ºC, sea water specific gravity 1.025 grm/cu.cm.Sea worthiness –barge should be capable of safe operation up to waveheight of 6 ft. and wind of 25 knots.

7. REGULATIONSThe barge will be built in accordance with the latest regulations andrequirements in force at the time of signing the contract and as issuedby IMOT.Stability will be reported by the builder/supplier as soon as possible.Inclining test shall be carried out by the builder/supplier in the presenceof the Owner’s representative. Israeli builder will obtain the required building license from the Israel

Ministry of Transportation. Non-Israeli builders will obtain their owncountry's valid license, subject to the approval of IMOT .Design, materials and workmanship of the entire barge (hull, machinery,fittings, etc.) to be in accordance with the Rules and Regulations of aclassification society.


7/33

7

8. CLASSIFICATIONThe Barge shall comply with a classification society's Rules andRegulations, or its equivalent where applicable. The barge shall alsocomply with the Israeli MOT (Ministry Of Transportation) regulations.

The barge should be able to obtain Class:

Specified Coastal Waters or Route Service LMC (without cross)

Service along a coast or between two or more ports, the geographicallimits of which will be indicated in the Register Book, and for a distanceout to sea generally not exceeding 7 nautical miles.

The classification society will be chosen by IEC, and a supervisioncontract will be signed between IEC and the classification society.

9. APPROVALThe Owner or its representatives shall approve all main barge drawings,in order to confirm conformity to the specification and contract. All main purchased equipment, including machinery, shall be subject toIEC approval prior to purchase. Any substitution or change to equivalent equipment – must get IECconfirmation and approval. As required, data and drawings shall be delivered for approval andconfirmation to the Israeli Ministry of Transport (IMOT), MarineEngineering department, to the attention of:

Chief Naval ArchitectMinistry of Transport Administration of Shipping and Ports15 Palyam Street. 31339 Haifa, Israel

10.DOCUMENTSFollowing documents are required to be delivered to IEC with the bargedelivery:a) Builder’s certificate to meet Lloyd’s Register of Shipping Rules andRegulations

b) Class Specified Coastal Waters or Route Service LMCc) Stability booklet and General Arrangement drawing (approved byIMOT).

d) Safety plan drawing (Laminated).e) Electrical, electronic and hydraulic Drawingsf) Cooling Water system drawingg) Detailed Weight bookh) Inventory list including all shipyard orders and supplier's detailsi) "As made" Drawings, Diagrams, Manufactures equipment manuals, j) Operation and Maintenance manuals, list of agents for the equipment,k) Spare parts manuals (according to the contract requirement).

All documents and drawings to be provided in four (4) duplicates. And two (2) magnetic media (C.D.) or equal – for I.S.L. drawings.


8/33

8

11. WARRANTYSee contract for Terms and Conditions.

ALL Warranty times are from the delivery date to the owner.10.1 Steel work, hull, deck, 24 (twenty four) month builder's warranty at

the Owner's premises10.2 Dry docking : a 24 month warranty dry -docking and repairs at

Owner's premises will be provided by the builder at his cost10.3 Machinery : (main engines, generator, pumps, crane, winch,

etc.…) - 24 months.10.4 Electric main switchboard – 24 months.10.5 Electronic equipment- 24 months.The builder will have the capability to repair and maintain the barge atits regular location in Israel, and will supply all the necessary spareparts and/or tooling required during the warranty period.See also contract for Terms and Conditions.

12.DELIVERYThe barge will be delivered no later than 12 month from signingorder/Contract, to the Owner in Israel to "Eshkol" Power Station in Ashdod. The Bidder or his representative has to arrange all the permitsand tests required by the Israel M.O.T.

13. WORKMANSHIP AND QUALITY OF MATERIALS The workmanship of the hull and fittings throughout shall be of goodmarine practice. Care shall be taken to ensure fair lines, smoothsurfaces and neat welding. All materials and equipment installed ordelivered with the barge shall be new and of good marine quality.Hull steel plates to be approved by IEC representative according toclass standard.

14. Hull Construction.Hull material to be of steel plates, frame and girders, certified by class.Water tight bulkheads, to divide the hull into water tight compartmentsto allow for damaged stability condition. All scantlings and structural dimensions are IEC recommendation andshould comply with class Rules and Regulations.

15. Main Scantlings Side shell no less than _8_mm.Splash zone (50cm above water line and 50 cm under water line) will bereinforced no less than 12 mm steel plate.Bottom plates no less than _10__mm.Deck plating no less than _12__mm.Bulkhead plates no less than _8__mm.Stern plates no less than _8__mm.Bow plates no less then _8__ mm All frames and bulkheads (longtudinals & transverse) to be constructed

according to the class regulation of cargo tanks to pervent "free surfaceeffect " and maintain structural strength.


9/33

9

Vertical corners to be round and reinforced by half bar /pipe to allowgood seamanship.Horizintal corner on deck where anchors winches and towing bitts arelocated will be round for reducing ropes chafing

16. Tank Configuration All tanks to be provided with bolted manhole covers, to ensure easyaccess and inspection.Drain plugs (docking plugs), filling, discharge, vent and sounding pipesto be provided for all tanks and installed in compliance with LRSregulations.Gauge glass, calibrated by liters, to be provided for all fuel tanks.Remote Shut off valve manualy operating from deck to be provided forfuel tanks.Steel ladder will be installed in all tanks for safe entry.

16.1 All ventilation pipes (air vents) of the tanks will be on deck on thesides of the barge,in order to keep the deck working area clearfrom obstacles.

17. Fuel Oil Tank 0ne (1) diesel fuel tank to be provided.(see paragraph 3 above)The F.O. tank forms an integral part of the hull construction.Total fuel oil tank capacity to be in excess of 2000 liters.

18. Fresh Water Tank Tank to be provided with a hydrophore system, to supply FWTo wash basin, toilets & shower on deck, and to a basin and 2 valves inengine room.

Total net capacity of tank to be 5000 liters.

19. Oily Water System & Tanks (cargo)Oily water tanks (cargo) will be in the center of the barge. The tanks willbe with separated floors (double bottom).The filling/discharging of the oily water tanks will be through mainmanifold from the lower part of the tanks. Manifold to beinstalled in "engine room" and will be connected to ballast

manifold through double isolation valve.Filling /discharging pipes will be installed on deck in each utility box/ pillar/pedestal (see Paragraph 46 below).

20. Deck& Deck EquipmentThe deck surface will be free from obstacles and coated/plated with anti-slip material according to American Safety 440 G.Deck structure to be constructed to carry loads of 6.00 tons per squaremeter and a total of 140 tons of different cargo.Openings to be covered by watertight flash plates bolted by stainless steel

bolts.Eye bolts to be fitted on engine room ceiling for engines maintenance


10/33

10

service.Working ports on deck to be reinforced and protected for chain handling. A horizontal "rolling drum" 600 mm in diameter to be installed in center of"bow side" .

20.1 Cranes20.1.1 1X 10 ton S.W.L Crane

Hydraulically operated marine grade crane to be installed on deck.Crane’s capacity to be10.00 tons to radius of 10 meters – max.radius: 20 meters.Palfinger PTM 1200 or equivlant. Remotely controlled (two controlunits) to be supplied.Deck plating and structure under the crane pedestal and thesupporting structure, to be reinforced accordingly.

Crane should be of marine type equipped with steel rope winch.Length of steel wire/rope no less then 50 meters.

20.1.2 1 X12 t/m foldable knuckle boom crane , Palfinger PK18500M orequivalent to be installed on deck on the bow side of the bargeopposite the main crane.Remotly controled (two control units to be supplied).Deck plating and structure under the crane pedestal and thesupporting structure, to be reinforced accordingly.Crane should be of marine type equipped with steel rope winch.Length of steel wire/rope no less than 40 meters.

20.1.3 Each of the cranes to be supplied with its own hydraulic powerunit. Electric power will be supplied from main generator

20.2 Capstan . Hydraulic Capstan of 5 ton pull (s.w.l) to be installed on starboard sideand foreword of the main Towing winch.The capstan, winch and crane can be operated in parallel

20.3 Towing Winch. (Main Winch)Electrical- Hydraulic marine top quality towing winch with 20 ton S.W.Lto be installed on deck in the longitudal center line of the barge at a

distance of 14 meters from the roller drum end . The winch drum will besuitable for 1.5" steel wire with a length of 100 meters.On the side of the winch will be an open drum for ropes of up to 10". Theopen drum can be operated seperatly from the wire drum.

20.4 Lashing Arrangement. 20.4.1 Lashing pad eyes/ D rings with 5 ton S.W.L to be installed

(welded) on both sides of the deck. Distance between rings to be ABT 1 meter.

20.4.2 D rings with 5 ton S.W.L to be installed ondeck,

Two (2) rows of rings, one on the starboard side and the other onthe port side of the barge center line.


11/33

11

Distance between the rows to the side of the barge - 2.5 meters.Distance between rings (at the tow) - 1 meter.The rings are to be fitted in a way that keeps the deck "flash"/plain.

20.5 Anchors Five (5) 150 Kg steel anchors to be provided, four (4) of the anchors tobe installed on the barge deck at four corners.The anchors will be operated with 380 V AC electric winches, each onewith a 80 meter steel wire rope on a drum, the winch will be locallyoperated by one man.While under tow, the anchors will be secured to the barge sides in a waythat will not interfere with the towing and will enable fast operating of theanchors if needed.

The fifth anchor will be a spare.

20.6 Rolling Drum. A 2.5 meter long and 600 mm in diameter heavy duty steel rolling drumto be installed on the bow side of the barge. The drum is intended forhandling anchor chains and bouys ,ends of the drum will be in "conicalshape" (larger at end sides) in order to center the chains and cables.the strength of the drum should meet the winch capacity.Main bearings to be greased via greasing nipples and pipes. Specialcare for easy access from deck to the greasing nipples,

20.7 Accomodation & Storage Containers Converted marine containers on the barge stern side.

20.7.1 Two (2) 20 f marine containers on board. The containerswill be lashed to the deck by standard marine "twislocks".The containers will face each other.The containers will be connected to an electric supply by marine typeconnectors.

20.7.2 One (1) 20 f marine containers shall be converted for acommodation,(see appendix C). Tthe interior of the container will be divided into:living space with galley and mess /resting place and shower+toilet +lockers.

20.7.3 one (1) 20 f marine container shall be converted for storage. (seeappendix C1)20.8 Set Mooring Lines To be provided by Builder :

4 ropes 4" x 40 m1 rope 4" x 200 m1 anchor rope x 200 m

1 towing line 8" X100 m20.9 Hatches

All hatch covers to be watertight by means of gaskets. All hinges to be adjustable and provided with grease nipples.


12/33

12

21. Manholes All tanks to be accessible for inspection, service and cleaning viamanholes.Manholes to be closed by watertight plate covers, secured by bolts.

22. Stairs, Ladders ,Climbing steps & Diver's Ladder All interior stairs to be made of stainless steelDiver's detachable aluminum ladder to allow the diver (with all divingEquipment) easy and safe climbing from the water to deck. All ladders to have non-slip steps.Tanks to be provided with stairs.

23. Air GratingsGalvanized air gratings to be fitted in the inlet/outlet of engine roomventilation ducts.

24. Air Duct Covers

For fire fighting purposes, steel covers or flaps are to be fitted to the airgratings for engine room ventilation (on deck).Covers to be closed manually.

25. Inspection Welds to be checked occasionally as required by IEC and classificationsociety requirements.Only approved and certified welders to carry out work on barge’s hull. X-Ray tests of welds, to be carried out at least 10% by IECrepresentative or surveyor.

26. Rubber Fenders. Air craft tyres used/expired second hand (747 size 26" or 32") to be usedon both sides of the barge for fendering. All fenders (tyres) to be secured to the hull by steel studs, shackles andchain, the steel rings to be welded to the barge sides .

27. Bollards Four (4) Steel welded double Bollards (bitts) are to be fitted on forecorners of deck.

Four (4) steel welded Bollards are to be fitted amidship on both sides. All Bollards to be made of 6” diameter pipe – SCH.80.

28. Mast 5 meter high steel mast for navigation lights and antennas, to be fitted onthe aft of the barge.The mast to be of a foldable type with locking arrangement.

29 Barge Particulars The barge name shall apear in welded letters on the bow and the name ofthe port of registration shall appear in welded letters on the stern.

A Company name or logo on sides to be fixed if required.


13/33

13

29.1 Draft Marks Draft marks to be provided at both sides of the bow and stern. Additional margin lines in aft and forward to be provided as required.

29.2 Draft marks to be marked by welding on port and starboard sides ofthe hull.at bow, stern & center of the barge.

30. Equipment and System Name Plates Brass nameplates to be provided in all inside compartments, equipment,pipes, valves ,weather deck, and all systems. All inscriptions to be in English language.

31. Engine Room. Access to engine room will be from the deck through a100X100 cm hatch. A stair with hand rail made from stainless steel will allow for easy access.Maintenance hatch of 200 X 200 cm to be installed in engine roomceilling.

The top side of the hatch to be "flush" /plain to keep the deck free ofobstacles. See paragraph 19 above.The engine room will be illuminated by 220V AC marine type fluoresentbulbs complying with class. & 24 v emergency lights.Engine room to contain the following equipment:a) 3 ph 380 V AC marine type generator.b) 24 V DC batteries,c) Battery charger .d) 10 bar air compressor with 200 CFMe) Hydraulic power pack.f) bilge pump and manifoldg) fire / blast pump and manifoldh) cargo/oily water pump and cargo manifoldi) fresh water hydrophoreor j) main & secondery electric distribution/ switchboard boards.k) Ventilation.

32 Alarms Alarms to be visual and audible at the same time. Acknowledgement of audible alarm to be separated from visual alarm.

32.1 The alarms in engine room to be individually displayed.

In addition, two (2)rotating yellow red flashlight to be installed. One onthe deck mast , the second in engine room and connected in parallel tothe visual alarms. An outside horn/siren to be activated when the rotatingflashlight is working. Alarm indication on panel to be as follows:• Flashing light for incoming alarm• Steady light for acknowledged alarm• No signal for disappearance of alarm condition after

acknowledgement.Following alarms to be provided for generator, pumps, hydraulic powerpacks.

• Engine - High cooling water temperature• Engine - Low lubricating oil pressure


14/33

14

• Engine over speed● pump high temp ● hydraulic power pack high temp ● hydraulic power pack low/high pressure

33. Emergency Stop Manual emergency engine stop, to be provided on deck.Manual emergency stop for the engine room blowers, to be provided ondeck if air blowers are installed.

34. Hydraulic piping Seamless steel precision pipes to be installed between the hydraulicequipment and pumps.High pressure hydraulic hoses to be applied where necessary.

35. Floors In the engine room, and store room floor plates to be provided over thecomplete area. Made of 5-6 mm raised pattern (anti-slip) aluminumplates. Where necessary the floor plates will bedismountable. Dismountable panels are clearly marked by brassnameplate.

36. Pumps Pumps to be marine top quality makes.Pressure gauges to be installed in all pumps.Piping systems design, layout, on board installation and test procedures,to comply with builder’s standards and with relevant rules of theclassification society.

All outlets/inlets through the hull to be connected by means of boltedflanges.Sea water system pipes to be of Galvanized steel material.Seamless steel precision pipes and steel valves to be used for thehydraulic system.Sanitary Salt Water and Fresh Water system piping to be - Seamless steelpipes for large bore and Cu pipes for small bore.

Seawater pipelines to be bolted by stainless steel bolts.

37. Bilge System 37.1 General description

A central bilge system to be installed providing bilge suction for allbarge’s compartments. The system to enable also seawater inlet/suction to a fire hydrant onthe deck. A bilge manifold, enabling suction control through bronze globevalves, to be installed in the engine room. The manifold will enable

suction from each compartment separately or jointly and in additionsuction of seawater through the hull for fire fighting/deck wash


15/33

15

purposes.Each compartment to be provided with a suction point and a strainerin its lower most point, as per classification rule requirements.Strainers to be easily accessible.Each bilge suction and each separate pump suction, to have a non-

return valve installed.The manifold to be connected to the main bilge pumps through non-return bronze globe valves.The bilge system to discharge overboard, via bronze overboard valve,and to the deck wash hydrant.

37.2 Bilge pumps Two bilge pumps of the self-priming type to be installed.One electric pump 24 v DC driven with automatic operating device.One electric pump 380 V AC driven

Pumps to be top quality make. Capacity as per LRS requirements.

38. Firefighting and Deck Wash The bilge system to be designed for providing sea water to a firefighting/deck wash hydrant.Sea water suction to be through a seawater inlet valve flanged or moonpulls to the bottom hull, and directed through the bilge pumps andmanifold to the deck hydrant.One (1) deck hydrant with a 2” Storz hose quick coupling to be provided. Two (2) fire hose of 10 m length, equipped with a nozzle and 2” Storzcoupling, to be stored on deck in a red box.One (1) hydrant with a 2” Storz coupling to be provided in the engineroom.One (1) fire hose of 10 m length, equipped with a nozzle and 2” Storzcoupling, to be stored in the engine room.Portable fire extinguishers to be installed as follows:Portable extinguishers of 6 Kg. each - four (4) on deckPortable extinguishers of 6 Kg. each - Two (2) in engine room A central CO2 fire fighting extinguishing system, approved marine type, tobe installed in the engine room. System to be manual.

39. Fuel Oil System One (1) fuel oil storage tank to be provided.Total capacity of tank to exceed 2,000 liters.Manually operated quick closing valves to be installed on the fuel oil supplylines of all tanks. Operation to be manual, by stainless steel cables frommain deck.Fuel oil to be supplied to the generator as per the builder’s specific design.Duplex oil filters to be installed in the fuel oil supply lines to the generator. All tanks to be provided with filling, sounding and air venting pipes to classrules and regulations. Air vent pipes to be equipped with de-aeration capswith closing device and flame arrestors.

All filling pipes to be provided with bronze caps secured by chains. All sounding pipes to be routed to the bottom of their respective tanks.


16/33

16

Drainage for each fuel oil tank to be provided by means of globe valve anda closing cap.

40. Fresh Water System A stainless steel fresh water tank of 300 liter capacity. A hydrophore or

electric demand water pumps to be provided and installed in the engineroom.Pump to provide water to a tap and a sink installed in the engine room.Electric marine fresh water heater/boiler 120 liter to install in engine room.Hot and cold fresh water to be supplied to deck/ accommodationcontainer.Piping to be seamless galvanized steel or copper for small bore pipes.Valves to be of bronze or brass.Hose for deck washing to be provided.

41. Cooling Water System

Open circulating cooling water system to be provided for the dieselengines.The system to be adequate for tropical working conditions, i.e. sea watertemp 32ºc during summer time Adequate sea water intake, to be installed on the bottom hull, with mainsea water valve and sea water filter, complying with class regulations.The generator is provided with a closed cooling system which circulatesfresh cooling water via the heat exchange /coolers and an expansion tank.Cooling water pump is driven by generator engine.The cooling water pipes to be connected to the engines via flexiblecouplings.De-aeration plugs to be mounted at suitable points in the cooling watersystem.The fresh water cooling pump is a part of the engine spec.The expansion tanks to have a gauge glass and low lever alarm – as perengine maker spec.

42. Exhaust system The generator exhaust pipes to be Designed to comply with IMOTregulation to prevent

harmful gas infiltration to the working deck and cabin area.Stainless steel expansion bellows to be fitted between the engine exhaustmanifold and the exhaust piping.Exhaust silencers of adequate capacity to be installed.Care shall be taken to prevent entry of water into the engineThe exhaust pipes to be made of seamless steel pipes.Heat resistant insulation material to be applied over the hot parts of theexhaust piping to prevent incidental skin burns.The exhaust funnel to be on one side of the barge in such height so as toallow smokless deck and ventilation of engine room.


17/33

17

43. Hydraulic System 380 v-AC 50 Hz electric hydraulic power pack of adequate capacity tooperate the capstan, towing winch and power tools to be installed in theengine room. An hydraulic tank, of adequate capacity, to be installed. Care to be

taken that hydraulic system operates at normal temperatures.Hydraulic tank to be provided with filling cap, breather, drain, glassgauge and filters.The hydraulic oil to be " environrmentally friendly" type (vegetablehydraulic oil).The hydraulic pumps to be connected via seamless precision steel pipesto the hydraulic equipment.

When equipment is not operational, pump to discharge oil back into thehydraulic oil tank.Electric control valve on main hydraulic manifold operated from deck inorder to enable crane and winch, or winch and capstan, or crane and

capstan, to be operated in parallel.

44. Sewage and Sanitary Arrangements Sewage and sanitary tanks to be provided with all necessaryarrangements as required for operating these tanks. Inlets and outlets tobe closed by valves & flanges for easy connection.Over board valve to be installed in order to allow discharging the sewageholding tank.

45. Electric Installation 45.1 General Description

The electrical installation and equipment will be built tested and deliveredin accordance with the class rules and IP 56 standard. All electric and electronic equipment is to be suitable for continuous dutymarine service.(IP 56 standard)The network throughout the barge is 380 V AC, 50Hz and two wireinsulated.

45.2 3 phase 380v – AC. system, as follows:One (1) diesel generator set Caterpillar C6.6 ACERT 178 kVA @ 1500rpm.to feed the following equipment – 380v – 50 Hertz

– ABT 143 eKW to fit calculated load balance.(A) Air-conditioning sys.(B) Battery charger.(C) Electric tools.(D) Electric powered air compressor(E) Hydraulic system(F) pumps,(G) lights, galley, hot water boiler.(H) utility pillars.(I ) cranes.(J) 20% growth in future

All electric plans and drawings to be approved by marine electricalengineer authorized by I.M.O.T and agreed by the IEC.


18/33

18

One (1) Shore power connection cable 25 meter in length with twomatching plugs to feed the AC. System while alongside dockingplatform.One (1) A.C. switch board\distribution panel. Equipped with allaccessories as to Class regulations.

45.3 Batteries Two battery sets of 24 V DC each, to provide the full electric capacity forthe barge's command and control equipment, communication,navigation and lights. Provision for backup interconnection between thetwo sets of batteries to be provided.The diesel engine of the generator to be started by a separate set ofbatteries, while 24 V DC electric power to consumers throughout thebarge to be provided by the other set.Provisions for backup interconnection between the battery sets to beprovided.

45.4 Battery Charging Engine to be supplied with 24 VDC, according to Caterpillarspecification, for battery charging. Alternator to charge the battery sets through separate regulators.Indicators of battery charging current and voltage, and charging switchover control, to be provided on main swich board. A static/ electronic charger with full automatic switching between batterysets to be installed (supplied by generator or shore power).

45.4.1 solar battery charger set sufficant to charge att batteries to be installedand connected in parallel to the static/electric charger .The set will include : solar panels, controller, automatic switching anddisplay unit.

45.5 Shore Power and External/Passenger Generator Power ConnectionShore power to be provided via suitable watertight power socket withinterlocking switch, installed at utility pillars .Shore power to charge batteries through a static charger, when bargeGenerator is not operating. When barge generator is started, switching to

generator charging to be automatic or manual by a selector switch.45.5.1 A shore power/ external generator connection cable 25 meters inlength with two matching plugs to be supplied.Static battery charger to be able to charge all batterysets automatically.

45.5.2 Power Tools Connection.Two (2) suitable watertight (IP 56) power socket with interlockingswitch connected through the main switchboard to enable supply

for power tools on deck.


19/33

19

45.6 Cables and Wires Cables used throughout the barge to be of approved marine type andflame retarding to class regulations.

Cables to be loaded according to class requirements, considering alsoambient temperatures.Cable cross sections to be according to class and equipmentmanufacturers’ requirements. Control cables to have spare conductors according to shipyard practice. All cables to be neatly arranged and strapped to perforated galvanizedcable trays.Where exposed to mechanical damage, cables to be suitably protected. All cables to be labeled by copper labels with engraved numbers.

45.7 Switchboards / Distribution Panels

Switchboards/distribution panels to be of dead front type with closedback and meet classification society requirements.The equipment installed within the panels to be easily accessible foroperation and maintenance, without danger to personnel.Doors on switch panels to be hinged and equipped with door stopper andlockable latch and handle.Switchboards and panels to be coated with corrosion resistant paint aftermanufacturing.Cable entrance to be from the bottom through suitable cable glands.The switchboard and distribution panels, including the switchingequipment, to be constructed to withstand without damage, the dynamicconditions during short circuit that may occur at the point of connection.The make and break capacities of the circuit breakers, to be in excess ofthe prospective short circuit current at the point of connection. All circuits to be protected as required, by suitable molded case circuitbreakers, protection switches or miniature circuit breakers, provided withthermal overload protection and instantaneous magnetic short circuitprotection on all poles, and disconnect the poles in case of fault on anyone of them.Short circuit indicator to be provided for 24 volts D.C. and 380 volts AC. All control circuit, signal lamps and instruments to be protected by semi

automatic fuses.Electrical instruments to have accuracy class 1.5 and to be rated asfollows:

Voltmeters 0 – 120% of nominal voltage Ameters 0 – 130% of rated currentKW meters 0 – 120% of rated power

Signal lamp lenses, unless otherwise specified, to have the followingcolors:

White - Electric source onGreen - Running equipmentRed - Stopped/out

Red - Alarm conditionKnives and main switches, to be installed in engine room.


20/33

20

45.8 Lighting Main lighting to be 220~ V AC. Secundery / emergency light to be24 V DCLighting fixtures to be of marine approved type. With preference to LED

In engine room, fixtures to be of watertight neon/LED type and suitablyprotected against mechanical damage. On open deck marine typefloodlights and working lights.Two (2) X 24 V DC sockets to be provided in deck utility box . All compartments to be properly lighted. in addition the following lightsto be installed:

On upper part of crane pedestal : Two 8 Watt LED (IP67), two (2) 500Whalogen floodlight. All lamps outdoors must be water tight.

46. Air CompressorFor pneumatic power supply, build-in engine room, to meet the followingdetails: 200 C.F.M rate ,10 Atm. Max. PressureOne (1) outlet connection in engine room

Two (2) outlet connection on deck in utility box (one on each side ofthe barge.

47. Utility Box/ Pillar/ Pedestal.Two (2) steel utility pillars to be constructed on deck. One on each side ofthe barge 1.5 meter from the "mid ship" side of the containers.47.1 The pillars to be water tight, each one to be divided into electric side

and pipe connection side.47.2 One of the pillars to be "banking station" with:

a) Diesel oil filling 2" pipe, OPW type connection with ball valve.b) Fresh water filling 1.5" pipe with ball valve.c) Discharging "oilly water" (cargo tanks) 3" OPW type connection

with ball valve.d) Discharging sewage holding tank.e) hot and cold water supply to the accommodation container.f) drainage used shower and sink water to barge holding tanks

g) drainge sewage from toilet (black water) to holding tank.47.3 On booth Pillars will be:a) Fresh water supply to deck.b) Pressure Air supply to deck. stainless steel fast double shut off

connectors with ball valve.c) Hydraulic pressure supply, stainless steel fast double shut off

conectors with zero leakage ball valve.d) filling oilly water (cargo) tanks via OPW connector and ball valve.

47.4 Electric section of the utility pillars to include :(in each ) all sockets to be IP 56 .

a) 380~ v AC shore power connector/socket ,with interloock andbreaker.


21/33

21

b) three (3) 220~v AC sockets.c) two (2) 24 v DC sockets.d) 24 v AC 8 watt LED water tight (IP 67) light ( including on/off

switch).

48. PAINT 48.1 General All steel plates and profiles to be completely cleaned by sand blasting toSwedish standard SA 2½. All foreign materials like dust, grease etc. to be removed before painting. All painting works to be carried out with good workmanship according tomanufacturer's instructions and specifications. All paint to be of TAMARIN supply or equivalent. Except the anti slipcoating on deck. All primed surfaces to be thoroughly checked for bare spots before

applying additional coats.The following painting schedule to be performed in general, unlessotherwise specified.


22/33

22

48.2 Table of Painting Specification

Location CoatNo.

Type of paint Thickness(microns)

All locations – primer 1 One layer of epoxy anti corrosive

and weldable primer

50

Under water 1 EP SOLEKOTE ALUMINUM 125

2 EP SOLEKOTE RED 125

3 EP UNUSEAL ZN 30

4 A/F T.F.A 1000 HS RED 80

5 A/F T.F.A 1000 HS PINK 80

6 A/F T.F.A 1000 HS RED 80

TOTAL 520

Above water line 1 EP SOLEKOTE ALUMINUM 125

including free board 2 EP SOLEKOTE RED 125

3 TAMAGLASS SUPER BLACK 404 TAMAGLASS SUPER BLACK 40

TOTAL 330

DECK 1 EP SOLEKOTE ALUMINUM 125

2 EP SOLEKOTE ALUMINUM 125

(SEE NOTE*) 3 ANTI-SLIP COATING AS 440G* 500+

TOTAL 750

Steel behind lining 1 TM COMPACT PRIMER RED 70

and ceiling 2 TM COMPACT PRIMER O.WHITE 70

TOTAL 140

Fresh water tanks 1 EP EA9 H.B. CREAM 1002 EP EA9 GREY RAL 7035 100

3 EP EA9 H.B. CREAM 100

TOTAL 300

Engine room 1 TM COMPACT PRIMER RED 75

Compartment walls 2 TM COMPACT PRIMER O. WHITE 75

3 TAMARIN SUPER WHITE 101 40

4 TAMARIN SUPER WHITE 101 40

TOTAL 230

Engine room 1 EP SOLEKOTE ALUMINUM 125

below floor 2 EP SOLEKOTE GREY 125TOTAL 250

After peak and Fore peak 1 EP AFRAPOXY SF GREY 7023 175

2 EP AFRAPOXY SF GREY 9002 175

TOTAL 350

Tanks inside 1 EP AFRAPOXY SF GREY 7023 175

(except oil tank) 2 EP AFRAPOXY SF GREY 9002 175

TOTAL 350

AMERICAN SAFETY ANTI-SLIP COATING ON DECK WILL APPLY ACCORDINGLY TO MANUFACTURER INSTRUCTIONS. Where anti

slip coating does not apply two layers of TAMAGLASS SUPER green willapply - each layer 200 microns.


23/33

23

49 Cathodic ProtectionPassive cathodic protection to be suitable for tropical conditions.Zinc anodes to be fitted on the outside of the underwater hull section.Zinc anodes to comply with USMIL 18001H or equivalent and to be

supplied by ISO-9002 approved supplier, “POLIPODIO” make orequivalent.Twinty (20) anodes, of 5 kg each, to be equally distributed along both sidesof the underwater hull.Total Zinc anode weight to exceed 100 Kg.

50. Ventilation Electrical "Forced" ventilation system with adequate volume to be fittedand comply with class & IMOT regulations.

51. Life Saving Equipment

The safety appliances to be in accordance with the SOLAS standardsnumber and capacities of life saving and classification society rules and/ornational authorities (IMOT).The following equipment to be supplied:- Life buoys X 3 with self operating light and 30 meters line.- life jackets for 12 persons to be supplied by builder. (" IMO 1" approved

type )- Extended first aid equipment ("No 2" first aid rucksack)- Pyrotechnic equipment (6 parashoot rocket. 12 hand flares 2 smoke

signals) As per I.M.O.T requirements.

52 . VHF Radio Telephone A VHF radio telephone, with all international channels ( Europe) ,complying with IMOT requirements, to be installed in the accommodationcontainer sitting area. Antenna to be mounted on container roof or mast.External speaker to be installed on the outer side of the container facingthe deck.The speaker will have its own ON/OFF switch and volume control knob.

53. Megaphone/ Amplifier

Electric operated megaphone to be installed on accommodationcontainer.See container spec Appendix C .


24/33

24

54. SPARE PARTS, TOOLS AND INVENTORY

SPARE PARTS

54.1. Spare parts list to be provided for: - On board spares and

Depot spare parts.

54.2. Spare parts will be provided for all equipment according to classificationrecommendations.

54.3. List of recommended spare parts, by equipment / suppliers, will behanded to Owner as follows:- Spare parts main engine, for 2,000 hours and for 4,000 hours.- Spare parts electrical equipment.- Spare parts deck and auxiliary equipment.

TOOLS54.4. A metal toolbox with draws, containing all general and specific tools for

on-board maintenance, to be provided and installed in engine room withlocking device.Snap-on Metric plus Apprentice set # 2 ( 200 pieces), or its equivalent

INVENTORY54.5. Complete Inventory List to be supplied.54.5.1 All equipment "Order Forms" by builder to be supplied with delivery of

barge.

55. TESTS AND TRIALS

55.1 GeneralThe barge will be tested by the yard before launching, in the presence ofthe IEC representatives, as follows:(a) Water tightness test of hull and tanks.(b) Pressure tests on all piping and valves.

55.2 Delivery tests to include:(a) All mechanical systems and safety devices.

(b) Test of all electric equipment and installation.(c) Inclining test.

Noise level measurements and report to IMOT.55.3 "As Made" set of drawing (4 sets) to be provided ON delivery of

barge to owner.


25/33

25

NOMENCLATURE

Class - chosen classification society

BHD - Bulkhead

BHP - Break Horsepower

IEC - Israel electric corporation. Ltd.

FO - Fuel Oil

FW - Fresh Water

IMOT - Israel Ministry of Transportation

In, “ - Inch

Lit. - Liters

LRS - Lloyd’s Register of Shipping

M, m - Meters

RPM - Revolutions per Minute

SHP - Shaft Horsepower

S.S. - Stainless Steel

SW - Salt Water

TBD - To Be Determined

VDC - Volt Direct Current

W - Watt


26/33

26

APPENDIX A:

1.1 Before and during the construction, all drawings and documentation,calculations and schemes

are to be submitted in duplicate for approval.

1.2 All drawings have to be fully detailed with:

1.2.1 General arrangement of parts and systems.

1.2.2 Detailed drawings with dimension and tolerances of all parts and equipment

on board.

1.2.3 Specification of all parts.

1.2.4 At delivery of the vessel, 4 (four) paper prints of each drawing of the fully

revised set (as made) will be handed over to IEC.

1.3 at least the following drawings have to be submitted for approval upon

delivery of the vessel:

1.3.1 General arrangement.

1.3.2 Arrangement drawings of: tank location.1.3.3 Mast, rigging and railing.

1.3.4 Hatches, doors. windows and manholes.

1.3.5 Mooring and anchoring equipment.

1.3.6 Safety plan and lifesaving equipment.

1.3.7 all mechanical equipment installation.

1.3.8 Docking plan with position and number of blocks, docking plugs, Cathodic

protection,

1.3.9 Navigation equipment installation and cabling.

1.3.10 Engine room arrangement.

1.3.11 Construction drawings of mid-ship section, hull construction, accommodation

construction, mast, bollards, bilge keel with, exhaust gas line, ventilationducts, sea chest.

1.3.12 Diagrams for: bilge and ballast line, air fill and sounding line, fuel oil lines,

Lube oil lines, fire fighting and deck wash lines, cooling waterlines, air conditioning

system, ventilation system, hydraulic system. For each diagram a list will be added

specifying, pipes, flanges, bolts, packing, expansion pipes, indicators, sensors, valves

and all other fittings. The full specification will provide name, description,

manufacturer, supplier, type, and certification.

1.3.13 Electrical drawings containing at least:

different switch panels and distribution boxes for 24 v DC and 380 v AC system.

Electrical schemes of all equipment, installations. One line diagram. Battery

chargers. All drawings will be complete with name, description, manufacturer,supplier, type, and certification.

1.3.14 Unified oil and grease list of all main and auxiliary apparatus and installation

placed on board.

1.3.15 Instruction books, shop manuals and parts drawings kits corresponding to the

drawings, trouble shooting schemes, safety instructions, servicing and maintenance

instruction, repair and commissioning instruction.

1.3.16 All supplied equipment the manuals will indicate:

position number referring to a detailed and readable drawing. Name or description

of the part. Unique part number. Full specification as described in 1.3.18.


27/33

27

APPENDIX: B

The builder will supply IEC with the following addition list of documents.

1. Generator rating and particulars

2. Water tight doors, one handle operated, LRS approved

3. container lashing arrangement4. hydraulic crane particulars.

5. hydraulic capstan particulars.

6. Hydraulic winch system rating & particulars.

7. Thermal insulation material (sample delivered to IEC)

8. Acoustic insulation material (sample delivered to IEC)

9. roller drum greasing system.


28/33

28

Appendix C, C1: Accommodation and storage container technical specification

The accommodation- recreation/ office container1. The converted container is intended to serve as accommodation/office

recreation space for IEC workers on board a working barge. The container will

be lashed to the deck by " standard marine "twislocks".2. The container will be divided to a living/sitting/ mess area and

cloakroom/shower+ toilet area. (see sketch C1)

3. The sitting/mess area will be fitted with:

3.1 dining table for 8 persons (marine type mess room).

3.2 two (2) armchairs and 6-8 seats on settee/divan along the walls. Under the

seats will be storage space.

3.3 A galley/kitchenette

3.4 Sink

3.5 Lower and upper cabinets in galley.

3.6 Electric stove.

3.7 220v 50 Hz 150 liter Refrigerator3.8 Air -conditioner

3.9 Three (3) sliding windows with blinds

3.10 Cabinet with drawer for office use.

3.11 Mineral water bar (hot & cold water).

4. The cloakroom/ shower & toilet area will be fitted with:

4.1 twelve (12) lockers 600 X 400 X 400 mm each with locking arrangement.

4.2 acrylic shower "corner enclosure" 800 X 800 mm.

4.3 sink with under-sink cabinet

4.4 400 X 400 mm window.

4.5 Bench , heater

4.6 Floor & walls with ceramics tiles.

4.7 The toilet will be separated from the shower by a wall.

4.8 In the toilet will be a 400 X 400 mm window.

4.9 Floor & walls with ceramic tiles.

5. All walls, floor and ceiling will be acoustic and thermal isolated with marine

type isolation material.

6. Interior walls, (excluding the shower, toilet & galley) will be covered by

marine plywood panels.

7. All materials to be from the fire retardant type complying with marine class

society regulations or "0" spread of flame BS1230.

8. Floor, will be covered be marine type P.V.C9. Ceiling to be fitted with acoustic decorative tiles.

10. Electric system:

10.1 220-250 V AC Hz, one (1) phase.

10.2 100 amp Main distribution box with 10,16, & 20 amp MCB complying

with the Israel Institute of Standards regulations.

10.3 three (3) sets of 4 sockets, one in the galley one in the sitting area.

One in the cloakroom.

10.4 One dedicated socket for the air conditioning unit.

10.5 Lights, to be marine type florescent with 2 switches.

10.6 Outdoor lights: three (3 ) units of 300 Watt halogen floodlights. (the

specific position to be decided on site) two (2) 8" oval bulkhead 8 WattLED bulb


29/33

29

10.7 one fixed emergency florescent/LED light with battery charger

10.8 one independent smoke/fire detector to be installed in the galley ceiling.

10.9 All windows to be slide type marine aluminum frame with steel

security bars & overhead rain protected.

10.10 Paint:

10.10.1 External paint Tamaglass super/B.T.D or equivalent.10.10.2 Internal paint if needed to be marine paint "0" spread of flame (BS1230 or

equivalent)

10.11 Doors: the main enterance door to be steel and sealed. Door open to the

Outside. The interior doors to be from wood.

10.12 The container to be connected to the barge electric system by

standard marine type connector.

10.13 The container water pipes (hot, cold, shower & sink drain , sewage)

to connected to the barge appropriate system by flexible connectors

and valves in order to allow fast connection/dis-connection of the

container on the barge deck.

10.14 Air conditioner: one phase 20 amp electric power socket for split airconditioning System to be provided in seating area.

10.15 A 220 v AC 50 hz one phase Air conditioner split system with adequate

capacity for heating and cooling the container seating area to be installed.

(Ambient conditions: 5°c- 45°c , relative humidity 100%)

10.16 Marine VHF unit (with all marine frequency (European) to be installed in the

sitting area.

10.17 Amplifier/public address system with microphone and two (2) outer

loudspeakers to be installed in the sitting area. External unit with 10 meter

extended microphone cord and loudspeaker to be fitted on the

outside of the container, inside a " IP67 class box".

10.18 Two (2) 6 kg CO2 fire extinguishers to be installed , one in the galley and

one in the cloakroom.


30/33

30

Appendix C1

The storage container

1. The storage container is intended to serve as a storage area on board the IEC

barge.

2. The container is to be fitted with heavy duty shelves (for 200 kg /square

meter) 3 rows (levels) of shelves along 3 sides of the container. Dimensions:

depth: 800 mm, high between levels: 760 mm. The shelf will be the marine

type with adequate stoppers, to prevent equipment from falling during rolling

.

3. Two (2) windows 500 X 500 mm aluminum frame. With security bars.

4. Three (3) florescent 2 X 36 w marine type lights with one switch.

5. Main door to be steel sealed 2050 X 1000 mm on the long side of the

container. (the storage Container is to face the accommodation container.)with

rain protection and locking arrangement.

6. The container to be connected to the barge electric system by a standard

marine type connector.

7. The electric system to be 220-250 v Hz 16 Amp.

8. Two (2) sets of electric sockets to be installed on the wall opposite to the shelf.

9. One (1) independent smoke/fire detector to be installed on the ceiling .

10. Two (2) 6kg CO2 fire extinguishers to be installed inside the container.

11. Paint:

11.1 External paint Tamaglass super/B.T.D or equivalent.

11.2 Internal paint Tamaglass super/B.T.D or equivalentComplying with "0" spread of flame (BS1230 or equivalent).


31/33

31

Accommodation container drawing for reference only


32/33

32

storage container drawing for reference only


33/33

APPENDIX D: DIVERS LIFTING CAGE1. Aluminum cage for lifting 2 divers with all their equipment from diving depth

of 35 meter to the barge deck be crane to be provided.

2. The cage to be certified and test as lifting equipment and comply with classand Israeli work safety regulation.