Technical Specification Dovra 2-2013 Marine Pollution & Work Barge for Israel Electric Corporation Ltd. August 2013 Prepared and edited By Mar-Tech Marine Systems Ltd Engineer Isaac Avtalion Mr. Dror Maor רמי מנשה:בדק שרגא ויצמן:מאשר 1 Artist's impression - Illustration for reference only. 2 Content PARAGRAPH No A 1-3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20.1 20.2 20.3 20.4 20.5 20.6 20.7 20.8 20.9 21 22 23 24 25 26 27 28 29 29.1 30 31 3 SUBJECT introduction General description Main dimensions stability Ambient conditions regulations Classification approval Documents warranty Delivery Workmanship and quality of materials Hull construction Main scantlings Tanks configuration Fuel oil tanks Fresh water tank Oily water system & tanks Deck & deck equipment cranes capstan Towing winch Lashing arrangement anchors Rolling drum (roller) Accommodation & storage containers Mooring lines hatches Manholes Stairs , ladders &diver's ladder Air gratings Air duct covers inspection Rubber fenders Bollards mast Barge particulars Draft marks Equipment &system name pates Engine room PAGE 5 5 5 6 6 6 7 7 7 8 8 8 8 8 9 9 9 9 9 10 10 10 10 11 11 11 11 11 12 12 12 12 12 12 12 12 12 13 13 13 32 33 34 PARAGRAPH No 35 36 37 38 39 40 41 42 43 44 45 45.2 45.3 45.4 45.5 45.6 45.7 45.8 46 47 48 48.2 49 50 51 52 53 54 55 Appendix A Appendix B Appendix C Appendix C1 Appendix D 4 alarms Emergency stop Hydraulic piping SUBJECT floors pumps Bilge system Firefighting and deck wash Fuel oil system Fresh water system Cooling water system Exhaust system Hydraulic system Sewage and sanitary arrangements Electric installation Diesel generator &380V AC system batteries Batteries charging Shore power & external generator connection Cables and wires Switchboard/distribution panels lighting Air compressor Utility box/ pillars paint Table of painting specification Cathodic protection ventilation Lifesaving equipment VHF megaphone Spare parts, tools and inventory Test and trails nomenclature Accommodation container Storage container Accommodation container drawing Storage container drawing 2 divers lifting cage 13 14 14 PAGE 14 14 14 15 15 15 15 16 17 17 17 17 18 18 18 19 19 20 20 20 21 22 23 23 23 23 23 24 24 25 26 27 28 30 31 32 33 A. INTRODUCTION This technical specification is intended to cover in sufficient detail the requirements for the construction and supply of an Oil Pollution Treatment & Work , Steel Hull working barge for the Israeli Electric Corporation(hereinafter "IEC" or the "Owner"). Participating parties/shipyards/suppliers are invited to offer a proven design of such a barge and to provide a full and complete specification to IEC, in order to be qualified for the Tender. All details of this specification should be regarded as basic and obligating guidelines for the full and complete technical specification of a proven design 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/preparation of the barge to be supplied, by his representatives (or others nominated by him). GENERAL DESCRIPTION 1. 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 the Mediterranean 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 that equipment. 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 the barge . 4. Main dimentions: Length - over all (LOA): ABT 20-24 meter. Length water line (lwl):ABT 16-19 meter. Beam (BOA) : ABT 8.5 meter Draft max (full loaded) :ABT 1.8- 2 meter Free board: ABT 1.5- 1.1 meter. Oily water tanks : ABT 4X25 cubic meters (no less than a total of 100 cubic meters) Fresh water tank: 1X5 cubic meters Engine oil tank: 1X 200 litres 5 Hydraulic oil tank: 1X 200 litres Fuel tanks: 2X2500 litre (settling) + 1 X 1500 litres (daily) Holding tank: (grey water) 200 litres Holding tank: (sanitary water)300 litres. Sludge tank: 250 litres. Balast tank: ABT 6 X18 cubic meters.( height of tanks on the sides) 5. Stability a.The barge will be stable and safe under all normal operating conditions and will comply with class & IMOT Regulations for stability and safety for "crane working platforms" . b.Stability calculations booklet including:Hydrostatic-calculations, damage stability calculations, transverse and longitudinal stability, G-Z curves and/or any other stability related requirements by IMOT, shall be prepared 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 with S.W.L of 10 tons at 10 meters boom over board. e. under maintaining towing course : special care will be made to improve maintaining course under towage by adding fixed rudders/ skegs. 6. Ambient Conditions Barge and equipment must be capable of operation at ambient temperatures of up to 45ºC, relative humidity of 100%, sea water temperature up to 32ºC, sea water specific gravity 1.025 grm/cu.cm. Sea worthiness –barge should be capable of safe operation up to wave height of 6 ft. and wind of 25 knots. 7. REGULATIONS The barge will be built in accordance with the latest regulations and requirements in force at the time of signing the contract and as issued by 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 presence of the Owner’s representative. Israeli builder will obtain the required building license from the Israel Ministry of Transportation. Non-Israeli builders will obtain their own country'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 a classification society. 6 8. CLASSIFICATION The Barge shall comply with a classification society's Rules and Regulations, or its equivalent where applicable. The barge shall also comply 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 geographical limits of which will be indicated in the Register Book, and for a distance out to sea generally not exceeding 7 nautical miles. The classification society will be chosen by IEC, and a supervision contract will be signed between IEC and the classification society. 9. APPROVAL The 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 to IEC approval prior to purchase. Any substitution or change to equivalent equipment – must get IEC confirmation and approval. As required, data and drawings shall be delivered for approval and confirmation to the Israeli Ministry of Transport (IMOT), Marine Engineering department, to the attention of: Chief Naval Architect Ministry of Transport Administration of Shipping and Ports 15 Palyam Street. 31339 Haifa, Israel 10. DOCUMENTS Following documents are required to be delivered to IEC with the barge delivery: a) Builder’s certificate to meet Lloyd’s Register of Shipping Rules and Regulations b) Class Specified Coastal Waters or Route Service LMC c) Stability booklet and General Arrangement drawing (approved by IMOT). d) Safety plan drawing (Laminated). e) Electrical, electronic and hydraulic Drawings f) Cooling Water system drawing g) Detailed Weight book h) Inventory list including all shipyard orders and supplier's details i) "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. 7 11. WARRANTY See 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 premises 10.2 Dry docking : a 24 month warranty dry -docking and repairs at Owner's premises will be provided by the builder at his cost 10.3 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 at its regular location in Israel, and will supply all the necessary spare parts and/or tooling required during the warranty period. See also contract for Terms and Conditions. 12. DELIVERY The barge will be delivered no later than 12 month from signing order/Contract, to the Owner in Israel to "Eshkol" Power Station in Ashdod. The Bidder or his representative has to arrange all the permits and 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 good marine practice. Care shall be taken to ensure fair lines, smooth surfaces and neat welding. All materials and equipment installed or delivered with the barge shall be new and of good marine quality. Hull steel plates to be approved by IEC representative according to class 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 compartments to allow for damaged stability condition. All scantlings and structural dimensions are IEC recommendation and should 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 be reinforced 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 surface effect " and maintain structural strength. 8 Vertical corners to be round and reinforced by half bar /pipe to allow good seamanship. Horizintal corner on deck where anchors winches and towing bitts are located will be round for reducing ropes chafing 16. Tank Configuration All tanks to be provided with bolted manhole covers, to ensure easy access and inspection. Drain plugs (docking plugs), filling, discharge, vent and sounding pipes to be provided for all tanks and installed in compliance with LRS regulations. Gauge glass, calibrated by liters, to be provided for all fuel tanks. Remote Shut off valve manualy operating from deck to be provided for fuel 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 the sides of the barge,in order to keep the deck working area clear from 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 FW To wash basin, toilets & shower on deck, and to a basin and 2 valves in engine 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 will be with separated floors (double bottom). The filling/discharging of the oily water tanks will be through main manifold from the lower part of the tanks. Manifold to be installed 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 Equipment The deck surface will be free from obstacles and coated/plated with antislip material according to American Safety 440 G. Deck structure to be constructed to carry loads of 6.00 tons per square meter 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 9 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 Cranes 20.1.1 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 control units) to be supplied. Deck plating and structure under the crane pedestal and the supporting 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 or equivalent to be installed on deck on the bow side of the barge opposite the main crane. Remotly controled (two control units to be supplied). Deck plating and structure under the crane pedestal and the supporting 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 power unit. 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 side and 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.L to 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 be suitable 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". The open 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 on deck, Two (2) rows of rings, one on the starboard side and the other on the port side of the barge center line. 10 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 to be installed on the barge deck at four corners. The anchors will be operated with 380 V AC electric winches, each one with a 80 meter steel wire rope on a drum, the winch will be locally operated by one man. While under tow, the anchors will be secured to the barge sides in a way that will not interfere with the towing and will enable fast operating of the anchors 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 drum to be installed on the bow side of the barge. The drum is intended for handling anchor chains and bouys ,ends of the drum will be in "conical shape" (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. Special care 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 containers will 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 type connectors. 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. (see appendix C1) 20.8 Set Mooring Lines To be provided by Builder: 4 ropes 4" x 40 m 1 rope 4" x 200 m 1 anchor rope x 200 m 1 towing line 8" X100 m 20.9 Hatches All hatch covers to be watertight by means of gaskets. All hinges to be adjustable and provided with grease nipples. 11 21. Manholes All tanks to be accessible for inspection, service and cleaning via manholes. 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 steel Diver's detachable aluminum ladder to allow the diver (with all diving Equipment) easy and safe climbing from the water to deck. All ladders to have non-slip steps. Tanks to be provided with stairs. 23. Air Gratings Galvanized air gratings to be fitted in the inlet/outlet of engine room ventilation ducts. 24. Air Duct Covers For fire fighting purposes, steel covers or flaps are to be fitted to the air gratings for engine room ventilation (on deck). Covers to be closed manually. 25. Inspection Welds to be checked occasionally as required by IEC and classification society 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 IEC representative or surveyor. 26. Rubber Fenders. Air craft tyres used/expired second hand (747 size 26" or 32") to be used on both sides of the barge for fendering. All fenders (tyres) to be secured to the hull by steel studs, shackles and chain, the steel rings to be welded to the barge sides . 27. Bollards Four (4) Steel welded double Bollards (bitts) are to be fitted on fore corners 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 on the 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 of the port of registration shall appear in welded letters on the stern. A Company name or logo on sides to be fixed if required. 12 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 of the 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 room ceilling. The top side of the hatch to be "flush" /plain to keep the deck free of obstacles. See paragraph 19 above. The engine room will be illuminated by 220V AC marine type fluoresent bulbs 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 CFM e) Hydraulic power pack. f) bilge pump and manifold g) fire / blast pump and manifold h) cargo/oily water pump and cargo manifold i) 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 on the deck mast , the second in engine room and connected in parallel to the visual alarms. An outside horn/siren to be activated when the rotating flashlight 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 power packs. • Engine - High cooling water temperature • Engine - Low lubricating oil pressure 13 • 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 on deck if air blowers are installed. 34. Hydraulic piping Seamless steel precision pipes to be installed between the hydraulic equipment 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 the complete area. Made of 5-6 mm raised pattern (anti-slip) aluminum plates. Where necessary the floor plates will be dismountable. Dismountable panels are clearly marked by brass nameplate. 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 the classification society. All outlets/inlets through the hull to be connected by means of bolted flanges. Sea water system pipes to be of Galvanized steel material. Seamless steel precision pipes and steel valves to be used for the hydraulic system. Sanitary Salt Water and Fresh Water system piping to be - Seamless steel pipes 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 all barge’s compartments. The system to enable also seawater inlet/suction to a fire hydrant on the deck. A bilge manifold, enabling suction control through bronze globe valves, to be installed in the engine room. The manifold will enable suction from each compartment separately or jointly and in addition suction of seawater through the hull for fire fighting/deck wash 14 purposes. Each compartment to be provided with a suction point and a strainer in 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 nonreturn valve installed. The manifold to be connected to the main bilge pumps through nonreturn 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 fire fighting/deck wash hydrant. Sea water suction to be through a seawater inlet valve flanged or moon pulls to the bottom hull, and directed through the bilge pumps and manifold 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” Storz coupling, to be stored on deck in a red box. One (1) hydrant with a 2” Storz coupling to be provided in the engine room. One (1) fire hose of 10 m length, equipped with a nozzle and 2” Storz coupling, to be stored in the engine room. Portable fire extinguishers to be installed as follows: Portable extinguishers of 6 Kg. each - four (4) on deck Portable extinguishers of 6 Kg. each - Two (2) in engine room A central CO2 fire fighting extinguishing system, approved marine type, to be 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 supply lines of all tanks. Operation to be manual, by stainless steel cables from main 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 class rules and regulations. Air vent pipes to be equipped with de-aeration caps with 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. 15 Drainage for each fuel oil tank to be provided by means of globe valve and a 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 engine room. 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/ accommodation container. 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 diesel engines. The system to be adequate for tropical working conditions, i.e. sea water temp 32ºc during summer time Adequate sea water intake, to be installed on the bottom hull, with main sea water valve and sea water filter, complying with class regulations. The generator is provided with a closed cooling system which circulates fresh 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 flexible couplings. De-aeration plugs to be mounted at suitable points in the cooling water system. 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 per engine maker spec. 42. Exhaust system The generator exhaust pipes to be Designed to comply with IMOT regulation to prevent harmful gas infiltration to the working deck and cabin area. Stainless steel expansion bellows to be fitted between the engine exhaust manifold and the exhaust piping. Exhaust silencers of adequate capacity to be installed. Care shall be taken to prevent entry of water into the engine The exhaust pipes to be made of seamless steel pipes. Heat resistant insulation material to be applied over the hot parts of the exhaust piping to prevent incidental skin burns. The exhaust funnel to be on one side of the barge in such height so as to allow smokless deck and ventilation of engine room. 16 43. Hydraulic System 380 v-AC 50 Hz electric hydraulic power pack of adequate capacity to operate the capstan, towing winch and power tools to be installed in the engine 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, glass gauge and filters. The hydraulic oil to be " environrmentally friendly" type (vegetable hydraulic oil). The hydraulic pumps to be connected via seamless precision steel pipes to the hydraulic equipment. When equipment is not operational, pump to discharge oil back into the hydraulic oil tank. Electric control valve on main hydraulic manifold operated from deck in order 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 necessary arrangements as required for operating these tanks. Inlets and outlets to be closed by valves & flanges for easy connection. Over board valve to be installed in order to allow discharging the sewage holding tank. 45. Electric Installation 45.1 General Description The electrical installation and equipment will be built tested and delivered in accordance with the class rules and IP 56 standard. All electric and electronic equipment is to be suitable for continuous duty marine service.(IP 56 standard) The network throughout the barge is 380 V AC, 50Hz and two wire insulated. 45.2 3 phase 380v – AC. system, as follows: One (1) diesel generator set Caterpillar C6.6 ACERT 178 kVA @ 1500 rpm. 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 electrical engineer authorized by I.M.O.T and agreed by the IEC. 17 One (1) Shore power connection cable 25 meter in length with two matching plugs to feed the AC. System while alongside docking platform. One (1) A.C. switch board\distribution panel. Equipped with all accessories as to Class regulations. 45.3 Batteries Two battery sets of 24 V DC each, to provide the full electric capacity for the barge's command and control equipment, communication, navigation and lights. Provision for backup interconnection between the two sets of batteries to be provided. The diesel engine of the generator to be started by a separate set of batteries, while 24 V DC electric power to consumers throughout the barge to be provided by the other set. Provisions for backup interconnection between the battery sets to be provided. 45.4 Battery Charging Engine to be supplied with 24 VDC, according to Caterpillar specification, for battery charging. Alternator to charge the battery sets through separate regulators. Indicators of battery charging current and voltage, and charging switch over control, to be provided on main swich board. A static/ electronic charger with full automatic switching between battery sets to be installed (supplied by generator or shore power). 45.4.1 solar battery charger set sufficant to charge att batteries to be installed and connected in parallel to the static/electric charger . The set will include : solar panels, controller, automatic switching and display unit. 45.5 Shore Power and External/Passenger Generator Power Connection Shore power to be provided via suitable watertight power socket with interlocking switch, installed at utility pillars . Shore power to charge batteries through a static charger, when barge Generator 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 in length with two matching plugs to be supplied. Static battery charger to be able to charge all battery sets automatically. 45.5.2 Power Tools Connection. Two (2) suitable watertight (IP 56) power socket with interlocking switch connected through the main switchboard to enable supply for power tools on deck. 18 45.6 Cables and Wires Cables used throughout the barge to be of approved marine type and flame retarding to class regulations. Cables to be loaded according to class requirements, considering also ambient temperatures. Cable cross sections to be according to class and equipment manufacturers’ requirements. Control cables to have spare conductors according to shipyard practice. All cables to be neatly arranged and strapped to perforated galvanized cable 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 closed back and meet classification society requirements. The equipment installed within the panels to be easily accessible for operation and maintenance, without danger to personnel. Doors on switch panels to be hinged and equipped with door stopper and lockable latch and handle. Switchboards and panels to be coated with corrosion resistant paint after manufacturing. Cable entrance to be from the bottom through suitable cable glands. The switchboard and distribution panels, including the switching equipment, to be constructed to withstand without damage, the dynamic conditions during short circuit that may occur at the point of connection. The make and break capacities of the circuit breakers, to be in excess of the prospective short circuit current at the point of connection. All circuits to be protected as required, by suitable molded case circuit breakers, protection switches or miniature circuit breakers, provided with thermal overload protection and instantaneous magnetic short circuit protection on all poles, and disconnect the poles in case of fault on any one 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 as follows: Voltmeters 0 – 120% of nominal voltage Ameters 0 – 130% of rated current KW meters 0 – 120% of rated power Signal lamp lenses, unless otherwise specified, to have the following colors: White - Electric source on Green - Running equipment Red - Stopped/out Red - Alarm condition Knives and main switches, to be installed in engine room. 19 45.8 Lighting Main lighting to be 220~ V AC. Secundery / emergency light to be 24 V DC Lighting fixtures to be of marine approved type. With preference to LED In engine room, fixtures to be of watertight neon/LED type and suitably protected against mechanical damage. On open deck marine type floodlights 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 lights to be installed: On upper part of crane pedestal : Two 8 Watt LED (IP67), two (2) 500W halogen floodlight. All lamps outdoors must be water tight. 46. Air Compressor For pneumatic power supply, build-in engine room, to meet the following details: 200 C.F.M rate ,10 Atm. Max. Pressure One (1) outlet connection in engine room Two (2) outlet connection on deck in utility box (one on each side of the barge. 47. Utility Box/ Pillar/ Pedestal. Two (2) steel utility pillars to be constructed on deck. One on each side of the 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 20 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 and breaker. 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 to Swedish 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 to manufacturer's instructions and specifications. All paint to be of TAMARIN supply or equivalent. Except the anti slip coating 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, unless otherwise specified. 21 48.2 Table of Painting Specification Location Thickness (microns) All locations – primer One layer of epoxy anti corrosive 50 and weldable primer 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 40 4 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 100 2 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 125 TOTAL 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 will apply - each layer 200 microns. 22 Coat No. 1 Type of paint 49 Cathodic Protection Passive 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 or equivalent. Twinty (20) anodes, of 5 kg each, to be equally distributed along both sides of the underwater hull. Total Zinc anode weight to exceed 100 Kg. 50. Ventilation Electrical "Forced" ventilation system with adequate volume to be fitted and comply with class & IMOT regulations. 51. Life Saving Equipment The safety appliances to be in accordance with the SOLAS standards number and capacities of life saving and classification society rules and/or national 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 accommodation container sitting area. Antenna to be mounted on container roof or mast. External speaker to be installed on the outer side of the container facing the deck. The speaker will have its own ON/OFF switch and volume control knob. 53. Megaphone/ Amplifier Electric operated megaphone to be installed on accommodation container.See container spec Appendix C . 23 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 classification recommendations. 54.3. List of recommended spare parts, by equipment / suppliers, will be handed 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. TOOLS 54.4. A metal toolbox with draws, containing all general and specific tools for on-board maintenance, to be provided and installed in engine room with locking device. Snap-on Metric plus Apprentice set # 2 ( 200 pieces), or its equivalent INVENTORY 54.5. 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 General The barge will be tested by the yard before launching, in the presence of the 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. 55.3 24 Noise level measurements and report to IMOT. "As Made" set of drawing (4 sets) to be provided ON delivery of barge to owner. NOMENCLATURE Class BHD BHP IEC FO FW IMOT In, “ Lit. LRS M, m RPM SHP S.S. SW TBD VDC W 25 - chosen classification society Bulkhead Break Horsepower Israel electric corporation. Ltd. Fuel Oil Fresh Water Israel Ministry of Transportation Inch Liters Lloyd’s Register of Shipping Meters Revolutions per Minute Shaft Horsepower Stainless Steel Salt Water To Be Determined Volt Direct Current Watt 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, ventilation ducts, 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. 26 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 arrangement 4. 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. 27 Appendix C, C1: Accommodation and storage container technical specification The accommodation- recreation/ office container 1. 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 Refrigerator 3.8 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.C 9. 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 Watt LED bulb 28 10.7 10.8 10.9 one fixed emergency florescent/LED light with battery charger one independent smoke/fire detector to be installed in the galley ceiling. 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 air conditioning 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. 29 Appendix C1 The storage container 1. 2. . 3. 4. 5. 6. 7. 8. 9. 10. 11. 11.1 11.2 30 The storage container is intended to serve as a storage area on board the IEC barge. 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 Two (2) windows 500 X 500 mm aluminum frame. With security bars. Three (3) florescent 2 X 36 w marine type lights with one switch. 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. The container to be connected to the barge electric system by a standard marine type connector. The electric system to be 220-250 v Hz 16 Amp. Two (2) sets of electric sockets to be installed on the wall opposite to the shelf. One (1) independent smoke/fire detector to be installed on the ceiling . Two (2) 6kg CO2 fire extinguishers to be installed inside the container. Paint: External paint Tamaglass super/B.T.D or equivalent. Internal paint Tamaglass super/B.T.D or equivalent Complying with "0" spread of flame (BS1230 or equivalent). Accommodation container drawing for reference only 31 storage container drawing for reference only 32 APPENDIX D: DIVERS LIFTING CAGE 1. 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 class and Israeli work safety regulation. 33