20 ts tug spec 15 nov 2012

TECHNICAL SPECIFICATION FOR

20m

Twin Screw Tug

Hull No.

Oct,2012

SHIPYARD: MAXLAND SHIPYARD SDN BHD M 5.5 Off Jalan Ulu Sibuga, Kuala Seguntor, Sandakan, P. O. Box No. 2848, 90732 Sandakan, Sabah, Malaysia. Tel : +60 89 665830, 665832, 665834 Fax : +60 89 631295

CONSULTANT:

SECTION CONTENTS PAGE 1 GENERAL 01 2 STRUCTURE 06 3 ACCOMMODATION,WHEELHOUSE & STORE 09 4 PAINTING & CATHODIC PROTECTION 13 5 PLUMBING & PIPING 15 6 DECK MACHINERY & EQUIPMENT 17 7 SAFETY & FIRE FIGHTING EQUIPMENT 19 8 ELECTRICAL 23 9 MACHINERY 26

20M T.S.Tug 2 Nov 2012

ALL DATA HEREIN HAVE BEEN COMPLIED WITH ALL THE POSSIBLE CARE ,HOWEVER,NO GURANTEE IS GIVEN OF THE CORRECTNESS HEREOF

Prepared by KC.Voon Page 1 of 27

General

SECTION 1 – GENERAL 100. Intent & Definition

This specification together with the GA drawing No: _____________is intended to describe

the construction of a Twin Screw Tug completely outfitted and equipped for operation

condition. The vessel will be classed to Bureau Veritas as an tug vessel for restricted

Services and will comply with the regulations of both the Classification and Malaysian

Government.

The following terms will be used in the following specifications:

1) Builders : Maxland Shipyard Sdn Bhd

2) Classification : Bureau Veritas

3) Consultant : _________________________

101. General Description (Refer GA Plan)

The vessel is to be all welded steel construction with twin diesel engines, twin fixed pitch

propeller & suitable for river/ocean towing for restricted services. The vessel’s

accommodation is to be located below main deck . The main hull is to be divided by five (5)

transverse WT bulkheads into the following compartments:

1) Rudder Gear Compartment. 2) 6 nos fuel oil tank c/w two day tank. 3) Engine room with double bottom dirty oil tank. 4) Under deck accommodation & double bottom fresh water tank 5) Chain lockers 6) Fore peak water ballast tank

Exact tank arrangement to be determined to suit engine configuration.

102. Principal Particulars

Length Overall : 20.00M

Length B.P. : 18.08M

Beam Moulded : 6.10M

Depth Moulded : 2.85M

Draft Designed : 1.90M

Engines : 2 x 500 bhp at 1800 rpm approx. c/w FPP

reduction gear box,

Performance Speed : 10 knot (approx.)




103. Classification

The vessel is to be constructed, machinery installed and equipment and spare gear provided

in accordance with the latest Rules for Building & Classing of Steel Vessel to Bureau Veritas

(hereinafter referred to as classification) for stricted service.

104. Registry

The owners are responsible for the registration of the vessel.

105. Regulations

The vessel is to be built to the standard of the statutory regulations such as International Life-

Saving Appliance (LSA) Code, 1996 ; SOLAS 1974 and its Amendments 2000;International

Convention On Tonnage Measurement Of Ships, 1969 & etc.

106. Certificates

One set of trading certificates are to be supplied to the owners at the time of delivery of the

vessel.

107. Materials & Workmanship

a) All materials and workmanship are to be of the good quality. All steel plates,

sections, hull forging and castings are to meet classification’s requirements and

supplied with test certificates where required by classification.

b) All smith work or fabricated fittings to be of neat design, strong, smooth & free from

defects.

c) All castings to be of good quality close grained and free from all cracks, blow holes

and other defects.

Steel castings to be manufactured to classification requirements and approval where

required.

108. Welding

Vessel to be of all welded construction, in accordance with contract plans, specifications,

classification.

Welding procedure is to be in accordance with classification requirements. All steel used to

be of good welding quality, free from laminations or other harmful defects .

109. Inspection/Supervision

Throughout the construction period prior to the delivery, the surveyors are to be given free

access to the builders’ yard during normal working hours for inspection.




110. Tests

Prior to the delivery, the hull, all machinery, electrical, piping, ventilating, all navigation/

communication equipment, machinery and deck fittings, domestic equipment, etc. are to be

thoroughly tested in the presence of the classification’s attending surveyor .

111. Inclining Experiment

Before the sea trials, and with the vessel in as complete a condition as possible, a Lightship

survey or an inclining experiment if require by classification to ascertain the lightship

displacement and the center of gravity at lightship condition is to be carried out by the builders

with the presence of classification surveyor. Basing on these results, a stability report is to be

prepared by the consultants, _______________and to be supplied onboard.

112. Dock Trials

Upon the completion of the vessel, the following trials are to be carried out:

a) All piping systems are to be fully tested.

b) Electrical power plants together with all lights

c) Auxiliary machinery

d) Ventilation

e) All deck machinery

f) All pumps, etc.

113. Sea Trials

Sea trials are to be arranged and carried out in accordance with a program agreed by the

Classification Society.

The compass is to be adjusted during sea trial.

a) Speed Trials

Speed trials shall be conducted over a recognized measured mile. Two (2) double

runs are to be made with engines running at maximum continuous revolutions 100%

MCR, 85% MCR, 50% MCR. Records of main engine cooling water temperature and

pressure, fuel consumption, engine revolution and etc. are to be taken.

b) Endurance Trials

Endurance trial of 1 hours with the engines developing 100% MCR output is to be

carried out in conjunction with speed trials.




c) Steering Trials

Steering trials are to be carried out with engines at 100% MCR. The diameter of the

turning circle and the time taken to complete a full circle are to be recorded. The

times taken to complete rudder movements from amidships to “hard over’ 15° Port

and from 15° port to ‘hard over’ 15° starboard are t o be taken. A similar trial is to be

made by moving the rudder from amidships to ‘hard over’ starboard 15° to port 15°.

Maneuvering trial is to be carried out as follows:

With the vessel proceeding at full power on a straight course, a rudder angle of 15°

port is to be applied and held until the vessel has turned 15° to port of the original

course. At this point the helm is to be immediately reversed and held at 15°

starboard rudder angle until the vessel has turned 15° t o starboard of the original

course. At this point the helm is again to be reversed and held at 15° port angle until

the ship’s head reaches the original straight course. A total time taken to complete

the maneuver: from straight course to 15 degrees port to 15 degrees starboard to

straight course, is to be recorded.

d) Stopping & Astern Trials

With the vessel proceeding ahead at full power the main engine controls are to be

moved from ‘full ahead’ to ‘full astern’ and the following records taken:

1) Time to move controls from ‘full ahead’ to ‘full astern

2) Time to bring the vessel to a stop

3) Estimate of distance run between initiation of order and stopping of vessel

4) Time to a steady astern condition

114. Delivery

Delivery of the vessel is to be taken afloat adjacent to the Shipyard Safe Anchorage and all

tanks, compartments, bilge, accommodation, open space and other machinery space area

shall be cleaned and free of all dunnage and dirt.

115. Drawings

On completion, one (1) standard sets Revised & approved drawings to be supplied.




116. Manuals of Machinery & Equipment

One (1) sets of manual of all machinery and equipment in the English language are to be

supplied by the builders/ supplier.

117. Framed Up Plans

The following plans properly framed and glazed shall be fitted on board:-

- General Arrangement Plan

- Safety Plan




SECTION 2 – STRUCTURE

200. General

The steel hull and superstructure are to be of all welded construction. Transverse framing

system is to be used throughout. The following structural scantlings are for guidance only

and are subject to classification society final requirement and approval.

201. Keel

A flat plate keel to be minimum 12mm thick is to be fitted and connected throughout its length

to the centre girder. It is to be tapered at the forward end to the stern bar and connected to

the aft centerline skeg.

202. Stern

The stern below the waterline is to be formed by stem plate. It is to be well-scraped at the

ends to the keel plate and the upper stem plating.

Above the waterline, the stem is to be formed by a raked and radiused plate. The stem plate

is to be stiffened by webs.

203. Skeg

A box shape skeg is to be fitted at the centerline and set forward of the propellers as shown

on the GA Drawing. The bottom of the skeg is to be 12mm thick with sides 9mm thick and

webs 9mm thick.

204. Bottom Construction

The bottom is to be of Single bottom construction, except in crew space below main deck. In

order to give a structural continuity in the bottom, two engine girders P&S, together with the

center girder are to be extended as far forward as possible and are to be linked with the

longitudinal bulkheads of the aft tanks and to meet with Classification/Solas requirement.

205. Shell Plating

The bottom and side plating are to be longitudinally plated, to have welded butts and seams

and to have the following thickness:

Bottom : 9mm

Side : 9mm

Deck : 9mm

Bulkhead : 9mm

Wheelhouse : 6mm

Bulwark : 8mm




206. Frames

Frames for main hull are to be 100x 75 x 7mm OA. O.A. respectively spaced at 550mm

throughout and to be welded to the shell plating. Strong longitudinal girders and transverse

ring frame (or web) is to be provided.

207. Girder & Pillars

Girders of plates fabricated sections together with pipe pillars are to be fitted in engine room.

208. Engine Girders and Seating’s

Engine girders of vertical c/w horizontal riders and auxiliary engine seating are to be built and

fitted by the builder. Suitable chock fast pourable resin of approx. 25mm, holding down bolts

and/or fitted bolts is to be used for engine mounting. (Detail of dimension to be as per Engine

Manufacturer’s recommendation.)

209. Main Decks – Loading at Aft Main Deck

The main deck is to be transversely framed and supported by deck girders and deep

transverses.

Elsewhere the deck plating is to be to Classification requirements. The deck plating shall be

welded directly to the shell plating.

All transitions in the bulwark top are to be made as smooth as possible to avoid snagging the

towline.

Mooring pipes, chain stoppers etc. are to be fitted as shown on General Arrangement.

210. Watertight tight Bulkheads

The WT bulkheads as shown on the General Arrangement are to be plated horizontally.

Stiffeners are to be spaced to suit deck longitudinal and bottom structure with bracket at each

end.

211. Bulwarks

Bulwarks at main deck levels are to be in 1000mm height as shown on the drawing.

212. Wheelhouse

The wheelhouse top deck is to be strengthened for accommodation the mast and various

foundations.

The battery box suitably ventilated is to be located at the wheelhouse.




213. Material Thickness Tolerance

Material thicknesses to have a tolerance of ± 0.1mm.

214. Bilge Keels

Two (2) bilge keels made of 350x 9 x 12 bulb plate or 350 x 9 plate with 19mm diameter RB

are to be fitted.

215. Outfitting (Exposed Area)

All the external hatches, door, air-vent, ladders, flanges, lighting and etc. as shown according

to the approval drawing.

216. “Y” Brackets

Two (2) “Y” brackets are to be installed, upper part to support the aft stern-tube bearing and

lower part to prevent ropes entering nozzles thus protecting propellers and rudder.

217. Rudder and Rudder - Stocks

Two (2) off conventional hanging rudders with bottom pintles are to be fitted. The rudders are

to be single plate type, fabricated of mild steel, with horizontal plate frames.The rudderstocks

are to be forged steel with Bronze/ stainless steel liner in way of neck bearing c/w lifting eye at

the top.

The rudder trunk is to be tubular steel with a heavy top plate to take the steering gear and

watertight packing seal. A heavy steel boss to be incorporated at the lower end of the trunk

and fitted with approved type bearing. The bearing and stock to be designed to take the full

side load of rudder.




SECTION 3 – ACCOMMODATION, WHEELHOUSE & STORE

300. General

The accommodation is to be arranged and fitted out in accordance with the General

Arrangement drawing. Scheme of decoration together with color scheme and samples of all

decorative materials and finishes such as furnishing fabrics, plastic laminates, deck covering,

paints etc are to be as builder standard.

All kit lockers in accommodation to be full height lockable and in wood for crew’s personal

effects & clothing.

All internal doors are hung on steel hinges and fitted with satin chromed door fixtures.

301. Deck Coverings

Steel decks are to be thoroughly cleaned and coated before the installation of deck coverings

which are to be laid under all furniture including the built-in.

Schedule of Deck Coverings

Main Deck : Deck Paint

Living Room : Deck Paint

Washroom & Gallery : Ceramic tiles on cement

Engine Room : Steel chequer plate

302. Minor Bulkheads & Lining

All steel minor bulkhead in accommodation to be lined with hard-core panel. Galley, toilets

and other wet areas paneling to be painted with tile finishing. Dry provision store. Wheelhouse

lining to be of laminated board.

303. Ceiling

All ceiling to be screw fix panel type in the accommodation and wheelhouse.

304. Windows & Scuttles

All windows are to be aluminum bolted type with tempered glass to suit the classification’s

requirements. Side scuttles are to be aluminum bolted type with deadlight cover.




305. Carpenter’s Work

Hardware to be of brass or chrome. Hinged steel doors fitted in wheelhouse. Store rooms to

be provided with steel shelves with retaining bars. Wooden grating in store rooms for

hawsers and warps.

Side lining and ceiling in wheelhouse, accommodation and living spaces to be fitted.

The shape of furniture and solid type of material are to be of quality standard type and the

final arrangement of furniture is to be in accordance with accommodation plan and as builder

standard.

306. Wheelhouse

The wheelhouse is to be located on wheelhouse deck as per GA and to be fitted with all

navigation, communication and control equipment as specified below. Wheelhouse windows

are to be arranged to give maximum visibility all round . The compass is to be located above

the forward steering position.

The wheelhouse fwd control console to be fitted with:

1) Main engine / gear box alarm indication panel

2) steering wheel c/w rudder indicators

3) Horn button (mounted on console)

4) One (1) searchlight with remote control, 500W

5) One (1) clear view screens, (300mm dia.)

6) Electric Engine Telegraph

7) One (1) VHF (GMDSS unit)

Other equipment in wheelhouse to be fitted out as follows:

1) Navigation equipment – Radars, echo sounder, GPS, navigation lights and shapes.

etc

2) Communication equipment MF/HF & VHF radio telephones, flags, PA/intercom

system, bell and etc

3) Mechanical plunger horn

4) Navigation light switches and alarm panel

5) Sufficient spare power points, 230/1/50 and 24 volt DC in addition to those required

for equipment specified

6) Flag locker with complete signaling flags and Malaysia flag

7) Ceiling light with separately on/off switch to be provided

8) Clinometer, etc




307. Captain’s Cabin

The captain’s cabin is to be situated below main deck as shown on the drawing and fitted out

as follows:-

- 1 built-in high berth

- 1 desk with drawers under

- 1 lockers

308. Six (6) Berth Cabin

These cabins are situated on the below main deck as shown on the drawing and fitted out as

follows:

- 3 2-tier built-in berth

- 1 desk with drawers under

- 6 lockers

- 2 spare power points, 230/1/50

309. Common Wash place

The wash place situated on the main deck as shown on the drawing and fitted out as follows:

- 1 showers fitted with soap dish, hot and cold water and grab rail

- 1 ceramic washbasins

- 1 pedestal WC with seat, lid, toilet roll holder & grab rail

- 1 extractor fan

- 1 250 dia porthole with deadlight cover

310. Galley

The galley situated on main deck as shown on the drawing is to be fitted out as follows:

- 1 hotplate type electric stove and 300mm (min) extractor fan above stove.

- 1 stainless steel sink with

- 2 spare power points, 230/1/50

- 1 250 dia porthole with deadlight cover

311. Deck Store

This compartment is to be fitted with steel shelves with plywood .




312. Engine Room

The engine room is to house all machinery and equipment at convenient locations described

elsewhere. Mild steel chequer plates are to be used for flooring. All the floor plate

arrangement is to be of sufficient strength to support machinery components during

inspection and maintenance.

All moving parts are to be provided with guards or rails or both. Portable handrails are to be

provided in strategic positions for protection of crew’s safety.




SECTION 4 – PAINTING & CATHODIC PROTECTION

400. Painting General

All new plates and sections should be gritblasted to Sa 2.5 Swedish Std and primed with one

coat of Interplate NEA407/NEA409 red of 30 microns dry film thickness.

All welds, burnt, damaged and corroded areas should be spotblasted to Sa 2.5. Internal

areas where blasting is not feasible, power tool cleaning to ST 2.0 standard should be carried

out.

401. Painting Schemes

Following specifications based on International Paint are for guidance only and always

subject to paint suppliers recommendations. Other specifications of paint coating may be

applied and to be approved by owner.

Product: BERGER

Coat Paint Spec Color SLV % DFT TSR M²/Lit

Area: Underwater Hull

1st Coat Epilux 610 Red Oxide Red 43% 60 microns 17.2 M²/L 2nd Coat Epimastic 3000HS Brilliant Green Green 82% 125 microns 8.2 M²/L 3rd Coat Luxavin 3700 Brown Brown 40% 50 microns 4.0 M²/L 4th Coat Navilux 1500 Red Red 55% 125 microns 4.4 M²/L 5th Coat Navilux 1500 Red Red 55% 125 microns 4.4 M²/L

Total DFT 485 microns

Area: Abovewater Hull 1st Coat Epilux 610 Red Oxide Red 43% 60 microns 17.2 M²/L 2nd Coat Epimastic 3000HS Brilliant Green Green 82% 125 microns 8.2 M²/L 3rd Coat Epilux 4 Epoxy Polyamide Black 55% 100 microns 18.9 M²/L

Total DFT 285 microns

Area: External Deck 1st Coat Epilux 610 Red Oxide Red 43% 60 microns 8.2 M²/L 2nd Coat Epimastic 3000HS Grey Grey 82% 125 microns 8.2 M²/L 3rd Coat Epimastic 3000HS Signal Green Red 82% 100 microns 8.2 M²/L Total DFT 285 microns




Area: Handrails, Superstructure & Engine Room 1st Coat Epilux 610 Red Oxide Red 43% 60 microns 17.2 M²/L 2nd Coat Epimastic 3000HS Brilliant Green Green 82% 125 microns 8.2 M²/L 3rd Coat Bergter Marine Gloss White White 55% 50 microns 18.9 M²/L Total DFT 235 microns Area: Portable Water Tank 1st Coat Epilux 610 Red Oxide Red 43% 60 microns 17.2 M²/L 2nd Coat Epilux 155SF White White 100% 125 microns 6.7 M²/L 3rd Coat Epilux 155SF White White 100% 125 microns 6.7 M²/L Total DFT 310 microns Area: Diesel Storage Tank & Engine Oil Tank 1st Coat Epilux 610 Red Oxide Red 43% 60 microns 17.2 M²/L Total DFT 60 microns

403. Cathodic Protection

Appropriate numbers and sizes of zinc anodes are to be bolted/welded type c/w doublers

plate to the immersed loaded hull, and inside of the sea chests area, etc. Type and make to

be as builder standard




SECTION 5 – PUMBLING & PIPING

500. General

All pipes are to be arranged according to good marine practice with sufficient bore and

thickness for the purpose intended. They are to be well clamped to the ship’s structure and

to have minimum number of bends. Expansion elbow or bends only are to be fitted where

necessary to avoid damage due to expansion or movement of the structure. Mudboxes,

strainers, filters and valves are to be arranged according to classification’s requirements.

Bunker station will be arranged on deck with common filling and discharge of FW, Fuel oil,

etc. Threaded pipes are to be avoided wherever possible except in freshwater supplies

system for domestic use.

501. Bilge, Ballast & G.S.System

Bilge main and branch line sizes are to be in accordance with Classification requirement.

Bilge suction valves shall be grouped to bilge manifolds in an accessible location in the engine

room.

Mud or strum boxes of galvanized steel construction to yard standards are to be fitted in the

system where applicable.

The bilge system shall discharge to a bilge holding tank located in the engine room.

502. Air Vent & Sounding Pipes

Sounding pipes are to be fitted of tanks, cofferdams and void spaces.

Double bottom tanks are to be sounded from the engine room are to be fitted with sounding

pipe heads with weighted cocks.

All air vents and sounding pipes are to be identified by name plates with the tank number and

purpose.

503. Fuel Oil System

Two fuel oil systems are to be provided. One for generating sets and one for main engine. The

fuel transfer pump, filter and hand pump together with the manifold and valve etc. are to be

arranged to transfer fuel oil from bunker to the daily service tanks. Daily service tank are to be

provided with supply, fillings, overflow drains valves, flat type sight glass and have sufficient

sludge trap and drain.

504. Fresh Water System

One (1) Hand pump to be install.




505. Sanitary Fittings

S.W sanitary pipe of sch 80 pipes are to be arranged with valve, s-traps, scuppers and

pressure set in accordance with good marine practice

506. Sanitary Fittings

1) Washbasins : white vitreous China, 500mm x 400mm

2) Showers : cold and hot water mixer shower set

3) WC : white vitreous China with plastic seats and lids.25mm

SW supply with flush valve and F.W supply c/w valve

for cleaning.

4) Galley sink unit : stainless steel standard unit

507. Exhaust Pipes & Silencers

Exhaust pipes of SGP/ERW from main and auxiliary engines to be led to top of funnels.

Exhaust pipes and silencers to be well insulated with heat resisting insulating material.

Silencers and exhaust pipes to be thermometrically insulated from steel work.

All exhaust silencers to be fitted with spark arrestors.




SECTION 6 – DECK MACHINERY & EQUIPMENT

600. General

All deck machinery and equipment are to be supplied and installed to meet classification

approval. Following information is for guidance only and subject to class acceptance &

equipment number calculation for this class of vessel.

601. Anchors, Chain Cables & Mooring Lines

The anchors, chain cables and mooring lines are to be supplied in accordance with the

classification’s requirements. For guidance, they are as follows:-

Anchor : Two (2) AC-14 high holding power anchors, each 180 kg

Chain cables : 247.5M total length, 16mm dia, Grade 2 stud link chains

602. Anchor Windlass

One (1) unit electro hydraulic anchor windlass suitable for 16mm dia. Stud link U3 chain c/w

chain stoppers is to be provided. The warping drums are to be independently clutched and

variable speed local hydraulic control on forward of forecastle deck, the chain pipes, chain

stoppers c/w Horizontal roller and hawse pipes are to be arranged.

603. Mast

The main and fore navigation mast is to be completely fitted out with necessary brackets and

stays for navigation lights and shapes.

604. Manholes

All manholes are to be of elongated shape with stainless steel studs, washer and nuts. In

way of main deck, they are to be of raised type with flush steel covers..

In engine room and other machinery space manholes are to be of “standard” type.

605. Draft Marks

Draft marks in metric scale are to be at the forward, amidships and aft on port and starboard

side as per the relevant regulations.

606. National Colours

“Staff” to be installed at mast for national colours.

607. Escape Hatch

Watertight mild steel hatch cover c/w stopper to be provided for engine room and

accommodation. All hatch coaming height shall be to loadline regulations.




608. Storm Rails (Grab Rails)

Storm rails to be fitted all round deckhouse and on exterior bulkheads. Storm rails also to be

fitted in convenient positions in toilets, steering gear compartment and engine room.

609. Drainage for Decks

Suitable scupper pipes to be positioned in funnels, along the main deck, wheelhouse top etc.

to facilitate deck drainage.

610. Doors

Doors are to be fitted as shown on the General Arrangement drawing. All WT doors to be in

mild steel. Internal doors in accommodation spaces to be of flush type.

611. Ventilators

Two (2) 300mm dia axial low rpm flow fans of adequate capacity are to be provided for

ventilation of engine room. Ventilation deflectors will provide circulation to engine room.

Natural exhaust through skylight.

612. Bulwarks

See Section 2.

613. Ladders

All ladders are to be steel construction. Tread to be non-slip, made of mild steel cheque plate

or similar construction. Vertical ladder to be constructed with square bar rungs welded to

steel flat bar and to be clear of steel bulkheads.

Hand grips to be fitted as necessary.

614. Floodlights

4 x 500W Signal metal Halide Floodlights with narrow / wide angle reflector

Tungsten Halogen .

615. Searchlights

1 x 500W Searchlights with cabin control ( fwd )

616. Fenders & padeyes

Doublers steel fendering 220mm x 10mm thick to be welded to shell at main deck and

forecastle deck on port and starboard sides as shown on the General Arrangement Plan.

Used tyre fenders to be installed as shown on the General Arrangement drawing.

Reinforcement rings are to be provided in way of the securing chain penetration.




SECTION 7 – SAFETY & NAVIGATION EQUIPMENT

700. Life Saving Equipment

Life saving equipment is to be in accordance with the requirements of the Classification and

Government Authority for Ocean Going vessel ..

1) Liferafts : Two (2) x ten(10) men inflatable liferafts with full

emergency pack in rigid fiberglass container conforming

to SOLAS 74 latest amend convention. The liferafts are

to be stowed on the raise deck in hinged type

cradles c/w automatic hydrostatic release for quick

sideway launching.

2) Lifebuoys : Total nine (8) lifebuoys of to be supplied:

- Two (2) 90ft buoyancy line and c/w two (2) each

self-igniting electric lights

- lifebuoys to be fitted with retro-reflective tape

3) Lifejackets : Ten (10) lifejackets to be supplied and stowed adjacent

to each berth plus to meet with SOLAS requirement.

4) Pyrotechnics : One (1) line throwing apparatus (4 projectiles & 4

lines)

Twelve (12) parachute distress rockets

5) Retro Reflective Tapes : To be fitted to all life saving appliances as per

merchant shipping notice no. M1056.

6) Man Overboard smoke/

Light fittings : 2 pcs

7) Self Igniting Lights : 2 pcs

8) First Aid Kit : 1 x 25 men first aid kit




701. Firefighting Equipment

Firefighting equipment is to be provided to meet classification and government regulations

and generally in accordance with the following:

1) Firemain

A firemain and three (3) 1-1/2” bronze hydrants are to be installed, two (2) on Main

deck levels and one (1) in engine room. 15M fire hose c/w brass coupling and jet/

spray type nozzle is to be supplied and stowed alongside each hydrant in a

protective box.

- All hose fitting, nozzles and hydrants to be gunmetal BSS336 or marine standard.

- All hoses to be marine standard.

- All hose nozzle to be marine standard.

- International shore connection is to be fitted – 1 off.

2) Portable Fire Extinguishers

Fire extinguishers as required by the classification with SOLAS latest requirement

and government authority are to be supplied and installed. For guidance, they are as

follows: (subject to final approval)

Position No Type

Wheelhouse 1 9 kg(20lbs)ABC dry chemical

Below Main Deck 1 9 kg(20lbs)ABC dry chemical

Main Deck 2 9 kg(20lbs)ABC dry chemical

Engine rm/machinery Space 1 45 litres foam – mechanical

2 9 kg(20lbs)ABC dry chemical

3) Fire Bucket

3 nos. buckets painted in red and marked ‘fire’ to be supplied in stands.

702. Navigation & Communication Equipment

The following navigation and communication equipment are to be fitted and to comply with

latest IMO/ SOLAS requirement for GMDSS sea area:

1) Echo Sounder Equipment

One (1) unit standard non IMO type navigation echo sounder with bottom alarm, depth alarm comprising of 1 unit depth graphic displace with integral keyboard, transducer, junction box.

2) Radars Equipment

One (1) radars 24 NM x-band daylight table mounting type radar are to be provided and 230V AC and suitable for 24DC operation .




3) Magnetic Compasses

One (1) reflector type compass c/w spare compass cord and bowl.

4) VHF

One (1) independent VHF Radiotelephone in the wheelhouse Aft console, 24V, DC.

5) HF-SSB Radio

One (1) set HF-SSB Transceiver with 10 channels completely wired up

for half duplex on LSB and USB operations.

6) Horn

One (1) electrically activated marine air horn (to be operable at fwd and aft control)

7) Ship’s Bell

One (1) 300mm brass bell, engraved with the name and year of completion of the

vessel.

8) Flag Locker, etc.

� One (1) complete set of International signaling flags

� National Ensign

� Two (2) International signal code manual (one for visual, one for radio)

� Flag of country of Builder

9) Charts & Publication

One set of relevant charts for International Water Area and publications and tide

table.

10) Electrical Navigation Lights & Shapes

A Single or complete set of dual lens, 24V DC supply navigation lights is to be

supplied and fitted as specified in electrical section.

In addition to this, the following is to be supplied:

One (1) black circular shapes of 600 mm diameter

One (1) black diamond shape of 600 mm

11) Clinometer

One (1) units, wall mounted (wheelhouse)

12) Searchlights:




1 x 500w with focus controls in wheelhouse.

13) Chart Table

Chart table to be fitted with chart drawers & table light .

14) Clear View Screen (CVS)

One (1) CVS are to be installed on forward of wheelhouse windows

15) Manuals

All navigational equipment shall be provided with operation manual in English.

16) Engine Telegraphs

Two (2) sets electric push button telegraphs operating on 24 volt DC for twin screw

propulsion in the wheelhouse and engine control room.




SECTION 8 - ELECTRICAL

800. General Installation

Electrical apparatus and wiring system are to comply generally with the respective

classification society and relevant Authority requirements.

All electrical fittings used to be of good quality and suitable for tropical and marine

environment.

801. System of Supply

a) 415 volts, 3 phase, 50 Hz – for power (motor).

b) 230 volts, 1 phase, 50 Hz – for general / emergency lightings, socket, etc. and power

less than 3 kW communication and navigation equipment.

c) 24V DC – for emergency lights, navigational lights, communication/ navigation

equipment, alarm, radio and other emergency loads.

d) 415/230 volt, 3 phase, 50Hz dry type transformer for general and emergency

operation system. (Capacity to be following the vessel operation condition).

802. Power Supply

a) AC Supply

1) The AC main power supply system is to be obtained from two (2) 15 KW,

415/3/50, 0.8 PF 3-wire generators sets. The main generators sets are to be

capable of supplying the vessel’s electrical requirements under normal sea-

load condition with the other generator set on standby at all.

2) 60A, 415/3/50, 3-wire watertight shore supply connection box to be provided

and fitted on main deck.

The shore power system shall be inter-locked to prevent parallel operation

with the main generator sets. The shore power connecting box shall be

permanently wired to the main switchboard.

b) DC Supply (24C DC)

1) The 24V DC supply for emergency lights and navigation aids is to be

obtained from 2 banks of 24V, 200 AH batteries.

2) A 24V DC supply for radio is to be obtained from 2 banks of 24V, 200 AH

batteries.

3) Two (2) static battery charger, 24V DC output is to be provided for charging

the above batteries and located in the wheelhouse.




803. Cables

All cables installed in the vessel are marine type cable as builder standard.

804. Installation of Cables

Cables are generally supported by a perforated galvanised steel cable tray / ladder and

secured by brass/ stainless steel cable clips or similar. Where cables pass through WT/OT

bulkheads, decks or tanks, an approved WT cable sealing glands is to be fitted.

Cables run on exposed deck are to be run through conduits.

805. Switchboard – General

The main switchboard shall be of opened hinged front and opened back screw type and

arranged in the engine room.

It shall be fitted with split bus bars, circuit breakers, voltmeters, ammeters, frequency meter

and earthing for controlling the entire A.C. system for generator protection the generator circuit

breakers shall have under voltage trip inverse time over current and instantaneous trip

devices.

The internal wiring of the switchboard shall be carried out builder specification with a

maximum operating temperature.

Switchboard – 24V D.C.

The 24 volt D.C. switchboard shall be provided for battery charging and distribution of DC

sources. It shall be equipped with all necessary voltmeters, ammeters, isolation, changeover

and selector switches for battery charging and circuit breakers, as required.

806. Distribution

Switch panels shall be sited at the wheelhouse and all outgoing circuits fitted with nameplates

indicating the circuits.

a) Radio Distribution Board (24V D.C.)

The radio distribution board shall be powered from the radio battery via the radio

charging panel.

b) Navigation Light Switch Panel (24V D.C)

Main supply is obtained from 230V/1/50 A.C supply and emergency from the main

batteries.




807. Motors & Starters

Motors are generally to be of squirrel cage type with totally enclosed fan cooled construction.

Direction line starters for motors below 15 Hp, and star-delta starters for motors 15 Hp to 50

Hp, and for motor above 50 Hp auto-transformer type starters to be used.

808. Lightings

All lightings throughout the vessel are to be as shipyard standard. All lights fittings in engine

room, steering gear, machinery space, washplace and store are to be watertight. 24V DC

floodlight fittings to be mounted in way of liferafts areas.

809. Switches, Sockets & Switched-Sockets

All switches, sockets and switched-sockets in the accommodation are to be flush mounted

moulded cased type and in the engine room and other machinery and WT compartments are

to be Watertight marine type . An adequate number of switched-sockets to be provided in

accommodation, wheelhouse, galley, mess room, store and other machinery spaces for

portable equipment.

810. Navigation Lights

Single lens, unless stated otherwise, 24V DC and 230/1/50 supply navigation lights are to be

fitted. The navigation lights are to consist of the following:

* 2 masthead lights (main mast)

* 1 portside light

* 1 stern light

* 1 anchor light

* 1 starboard light

* 2 towing light

* 3 NUC lights (single lens)

* 1 complete set immigration light (single lens)

All navigation lights are to be controlled by indicator panel fitted in the wheelhouse

811. Emergency Lights (24V DC and 230V AC)

A 230V AC and 24V DC emergency light is to be fitted at strategic points in the wheelhouse,

steering gear, engine room, galley, mess and entrance/ common space, etc. In way of

liferafts areas, 24V DC floodlights to be provided.

Emergency lights are to be automatically energized on failure of AC supply and shall

activated from battery tank to provide continuing power supply.




SECTION 9 - MACHINERY

900. General

All main and auxiliary engines are to be approved type and supplied with certificates as

required by the classification. They are to be supplied and fitted by the Builder.

901. Main Engines

Main engines to be two (2) high speed four stroke marine diesels each of 500 HP at

1800rpm giving a total of 1000 HP continuous power.

Maker : Cummins NTA 855

902. Gear Box

Each main engine to drive the propeller through a marine reduction gear. Gear ratio is 5.95:1

Maker: Advanced

903. Shafting

Each of the stainless steel tail shafts to be sized to classification requirements. The Builder

shall furnish and install a complete twin fixed pitch propeller systems.

Propeller blades and hubs will be in manganese bronze. The entire FP propeller system is to

be designed, built and installed to meet standard Classification rules.

904. Generator - Main

Two (2) identical diesel generating sets, each rated approx 15 KW, 415V, 3 Phase, 50 Hz.

The units are to be able to operate in single.

Maker:

905. Fuel Oil Transfer Pump

One (1) Hand pump is installed.

906. Bilge & Ballast Pump


907. G.S / Fire Pump


908. F.W. Pressure Set





909. Oily Bilge Water Separator

One (1) oily bilge water separator of 0.25M3/hr to be install.

910. Steering Gear

One (1) hydraulic type steering gear of torque capacity 1.5 tonne-metre at 2 x 35 degree

rudder angle shall be installed. Bedplates and other necessary fittings are provided.

One (1) rudder indicator of Panorama type are fitted. Structural stoppers to be provided at the

side of each tiller. Rudder turning speed 28 sec/35 deg with one pump.

Steering wheel to be at forward consoles in wheelhouse. Rudder angle indicators to be

mounted on forward steering positions.

914. Sterntubes

Two fabricated mild steel stern tubes are to be supplied and fitted, secured at the bulkhead

and at the “A” frame boss. Each is to be fitted with a bronze with rubber lined bushes and

arranged for natural sea water cooling and lubricating. The stern tubes are to be fitted with

inboard and outboard seals.

915. Propellers & Nozzles

Two (2) for bladed fixed pitch propellers to be supplied, one RH and one LH and are to be

operated in fixed nozzles.

Propeller material to be of approved manganese bronze and are to be manufacturer’s

standard and statically balanced.

The propellers are to be designed to meet the specified speed of the vessel.

20 ts tug spec 15 nov 2012

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