mv “ogs explora”

TECHNICAL SPECIFICATION FOR

SPS REFITTING

MV “OGS EXPLORA”

Client:

Istituto Nazionale di Oceanografia e Geofisica Sperimentale - (TS) Italy

Id. Doc.: C24.14.BK.002

Rev. B

MEDEA Srl

Marine Design & Consulting

Via Campi Flegrei, 34

80078 Pozzuoli (NA) – Italy

Rev. A www.medeadesign.com page 2 of 33

BLANK PAGE


B 13.03.2015 Issue after OGS meeting- 12.03.2015

(See Ch.5 and Par.6.2)

ML GR GR

A 13.02.2015 First issue ML GR GR

Rev Date Description Issued Checked Approved


ABBREVIATIONS

Sub- Contractor = All parties contracted by the Builder to perform services and/or deliveries

for the construction of the ship.

GA = General Arrangement Plan.

C.S. = Classification Society.

S.A. = Statutory Authorities

M.C.R.= Maximum Continuous Rating

ISO = International Organization of Standardization.

IMO = International Maritime Organization

E.R. = Engine Room

SB = Starboard

PS = Portside

DB = Double bottom

ROV = Remote operated vehicle

HPU = Hydraulic power unit

DN = Diameter nominal

AC = Air condition

CCTV = Closed circuit television

OCS = Operations control station

PCC = Pipe control console

ECDIS= Electronic chart display information system

MAS = Monitoring and alarm system

PCA = Process control system

PMS = Power management system

DP = Dynamic positioning

VSD = Variation speed drive

VDR = Voyage data recorder

IAS = Integrated automation system

VO = Variation order

MCB = Moulded case breaker

MCCB = Moulded case circuit breaker

SVC = Vessel control system

PABX = Private automatic branch exchange

UPS = Uninterruptible Power Supply

IWO = In way of

OGS Techncial Specification Doc. N. C24.14.BK.002 MV “OGS EXPLORA”

Rev. A page 5 of 33

Table of Contents

1 GENERAL DESCRIPTION ...................................................................................................... 7

1.1 OVERVIEW .......................................................................................................................... 7

1.2 ARRANGEMENT, DESCRIPTION....................................................................................... 7

1.3 MAIN PARTICULARS ........................................................................................................ 10

1.4 CLASS, REGULATIONS, CERTIFICATES ........................................................................ 11

1.5 DRAWINGS ....................................................................................................................... 12

1.6 MATERIALS ....................................................................................................................... 13

1.7 BUILDING METHOD AND WORKMANSHIP ................................................................... 13

1.8 TRIM & STABILITY .......................................................................................................... 14

1.9 OWNER DELIVERIES ....................................................................................................... 14

1.10 ROUTINE BY ALTERATIONS ........................................................................................... 14

1.11 CONSTRUCTION SCHEDULE .......................................................................................... 15

2 MAIN GROUP A – ACCOMMODATION ............................................................................ 16

2.1 GENERAL........................................................................................................................... 16

2.2 STEEL & ALUMINIUM WORKS ........................................................................................ 17

2.3 PAINT WORKS .................................................................................................................. 19

2.4 INSULATION WORKS ...................................................................................................... 19

2.5 CABINS, LABORATORIES AND COMMON SPACES ....................................................... 21

2.6 EXTERNAL FITTINGS ...................................................................................................... 23

2.7 ELECTRICAL SYSTEM ...................................................................................................... 23

2.8 PIPING SYSTEMS ............................................................................................................. 25

2.9 HVAC SYSTEM ..................................................................................................................... 26

2.10 LIFE SAVING APPLIANCES & FIRE FIGHTING EQUIPMENT ....................................... 27

3 MAIN GROUP B – ENGINE ROOM & OTHER MACHINERY SPACES...................... 28

3.1 OVERVIEW ........................................................................................................................ 28

3.2 STEEL WORKS .................................................................................................................. 28

3.3 INSULATION WORKS ...................................................................................................... 28

3.4 PIPE WORKS ..................................................................................................................... 28

4 MAIN GROUP C – HULL ....................................................................................................... 29

4.1 CARGO HOLD ................................................................................................................... 29

4.2 STABILITY ........................................................................................................................ 29

4.3 OPEN DECKS – WORK AREA ........................................................................................... 30

5 MAIN GROUP D – CARGO AND EQUIPMENT HANDLING SYSTEMS .................... 31

5.1 ROSETTE A-FRAME ......................................................................................................... 31

5.2 CARGO CRANE ................................................................................................................ 31

5.3 AFT A-FRAME .................................................................................................................. 32

6 MAIN GROUP E – ELECTRICAL & MACHINERY SYSTEMS ....................................... 33

6.1 STATUTORY REQUIREMENTS ........................................................................................ 33


Rev. A page 6 of 33

6.2 BOW THRUSTER REFURBISHMENT ............................................................................. 33


Rev. A page 7 of 33

1 GENERAL DESCRIPTION

1.1 OVERVIEW

1.1.1 The vessel to be refitted and converted according to general arrangement

(drawing no. C.24.14.G.001-rev.4) and this specification.

1.1.2 The specification below presents the modifications needed for the existing

vessel to meet the compliance with IMO Resolution A.534(13) – SPS CODE

and the the general market, for safe and economic World wide service (acc. to

class notation and Owners’ request).

1.1.3 The construction and fitting out of the vessel shall be carried out in accordance

with the best practice at high standard shipBuilder s, with safe operation and

simple maintenance as important guidelines.

1.1.4 In the following, the Buyer, his staff and those who work for him in connection

with this vessel, will be mentioned as the Owners.

1.1.5 The Builders with staff and contractors are mentioned as the Builder. Registro

Italiano Navale (RINA) will be mentioned as the Class, and Comando Generale

del Corpo delle Capitanerie di Porto d’Italia and its acting regional office will

be mentioned as the Authorities, or other relevant authorities, acting on behalf

of the relevant flag state.

1.1.6 The vessel to be delivered to the owners ready for taking onboard provisions,

stores and crew completely seaworthy.

1.1.7 All items described hereby as pertaining to the modernization and refitting

works, including equipment, is required to be provided, installed and

commissioned by the Builder, unless noted otherwise.

1.2 ARRANGEMENT, DESCRIPTION

1.2.1 The vessel to be refitted and arranged as shown on GA-plan. A narrative

description of the main features for the vessel conversion is given, but not

limited to, below:

1.2.2 Accommodation and Fire Definition

a) All linings, insulation and furniture in the accommodation spaces and

all insulation in machinery spaces, including funnels, to be removed

and replaced as indicated in the drawings Fire Definition Plan (n.

C24.14.S.001);

b) The vessel to be arranged with accommodation for 50 persons as shown

on GA-plan;


Rev. A page 8 of 33

c) All cabins will be fitted with single tier built-in double bed (i.e. bunk

bed) except the cabin designated to accommodate Master and Chief

Engineer;

d) All cabins will be fitted with a sanitary block except for the four cabins

on the first lower deck;

e) Existing hospital to be converted in a sick bay and a dry provision store;

f) Existing dry provision store to be converted in gymnasium

g) Stairway trunking in accommodation spaces to be fire-tight according

to drawing Fire Definition Plan (n. C24.14.S.001);

h) Existing store on 2nd lower deck between fr 55 and 68 to be split in two

parts, fore part of the store to be fitted with a handling room as shown

on GA-plan;

i) Existing goods lift at frame 55-57, electrical and mechanical parts to be

refurbished, doors at each level to be replaced with fire approved type

door as shown in the drawing Fire Definition Plan (n. C24.14.S.001);

j) Existing radio room with all equipment and cabling to be moved on the

bridge;

k) Existing transversal partition at frame 62 on the bridge to be open in

order to have a common open area on the bridge;

l) A vertical trunk for cabling and ducting purposes to be provided

between fr 57 and 58 throughout all accommodation spaces;

m) Three watertight sliding doors, type approved, to be installed according

to drawing C24.14.H.005. All power and electrical installation to be

according SOLAS;

n) New steel means of escape (emergency exits) to be installed according

to drawing no. C24.14.H.004;

o) All windows in accommodation spaces to be moved according to GA,

existing holes to be fairly inserted (Alumium or Steel, according to the

location);

p) New weather-tight door, type approved, to be installed on main deck

i.w.o. mess room, starboard side;

q) Colours of panels, flooring, ceiling, furniture, upholsteries to be agreed

with Owners representative. In particular existing mess room shall be

renewed by keeping as unaltered as possible the original wood-style

appearance;


Rev. A page 9 of 33

r) Galley to be fitted with two fire type approved rolling shutters, one

serving the self service area in mess room and one for cafeteria, the

latter existing dimension to be reduced to min 600mm;

1.2.3 Hull & Structural

s) Cargo hold to be split in two parts by means of installation on a new

watertight steel bulkhead, at frame 81-82, as indicated in GA and

drawing n. C24.14.H.003;

t) Forward cargo hold to be provided by two new bilge wells (drawing n.

C24.14.H.006) with all necessary fittings (strainers, high-level alarms,

etc.) and valves to be connected to the existing bilge system;

u) Shortening of the existing hatch opening and coamings according to

drawing C24.14.H.002 and in order to stow one ISO 20 container;

v) Provision and installation of a new hatch cover, lift-away type

approved, consisting in at least two panels;

w) Steel insert on main deck and 1st lower deck to restore deck continuity

after shortening of hatch opening;

x) Modification of the movable patch in cargo hold on fist lower deck

according to C24.14.H.002;

y) Modification of the existing A-frame SWL 20tons, by lengthening of

the legs up to 7000mm and replacement of the upper transverse to reach

overall beam of 11000, SWL to be de-rated accordingly;

z) Installation of fixed ballast weights in double bottoms for an aggregate

weight of 34000 kg at x=33.00m, y=0.00, z=0.3m above base line;

aa) A fore mast to be fitted to carry the statutory lights and signals;

bb) Sea fastening devices, twist lock type, to be installed on forward

weather deck in order to carry 1 off ISO20 container on hatch covers

and 1 off ISO10 Containers on deck between frames 72 and 80,

starboard side;

cc) A platform made of steel suitable steel profiles and twist lock to be

installed as extension of deck B (ponte cabine) in order to fit 1 off

ISO20 and 1 off ISO10 Containers;

dd) New platforms on aft open deck to be installed, on portside and

starboard side, to extend transversally the working area; new structures

will be fabricated and installed by the builder as shown in drawing no.

C24.14.H.007;

1.2.4 Machinery and Piping


Rev. A page 10 of 33

ee) Engine control room to be insulated A60, while existing CO2 in ECR

to be blinded;

ff) Bilge system to be extend in order to serve new forward cargo old as

indicated in the drawing n. C24.14.P.001;

gg) Existing HVAC system to be replaced with new system able to meet

new accommodation arrangement;

hh) Existing thruster to be refurbished by replacing electrical power

components with new system provided frequency converter and new

control system including bridge control panel;

ii) All piping for domestic use in accommodation shall be of new

installation and done by the Builder according to accommodation lay-

out and GA plan;

1.2.5 Additional Items

jj) Removal of the existing derrick crane with all related winches on main

deck and forecastle deck, and installation of a hydraulic crane SWL

3.33ton at 15m (50tm);

kk) Provision and installation of side A-frame at location between fr 72 and

80, starboard side, SWL 5t, fitted with all necessary hydraulic units and

winch fitted with 6000mt dia12mm steel wire and fitted with slip-ring;

ll) As option new hatch cover, the Builder can propose a flush type hatch

cover, removing existing hatch coamings;

1.3 MAIN PARTICULARS

1.3.1 The modernization works shall not alter the original dimensions of the vessel,

which remains:

Length overall 72,63 m

Length between p.p. 64,40 m

Breadth moulded 11,80 m

Dept. main deck midship 6,55 m

Max. draft midship(DWL) 4,42 m

Depth shelter deck 4,15 m



1.4 CLASS, REGULATIONS, CERTIFICATES

1.4.1 Hull modifications to be built of steel with full strength to main deck, and to

class RINA 100-A-1.1-Nav IL; ST; IAQ-1; Ice Class IB

1.4.2 The ship is to comply with the rules and regulations of the Authorities in Italy

and the international Load Line Convention. The ship to be classified for

World- wide trade (according to class notation).

1.4.3 The ship also to satisfy latest flag rules and regulations for this special type of

ships in trade and IMO guidelines for design and construction of Offshore

vessels

1.4.4 The ship shall also satisfy the rules covering construction and equipment in

SOLAS 1974 including relevant amendments (hereafter called the Safety

Convention). Ship also to satisfy the International Loadline Convention of

1966 and subsequent amendments, rules concerning tonnage measurements

(1969 tonnage measurements rules) of the ship, MARPOL requirements and

International and National rules for world wide operations, Marpol 73/78

Annex VI to be included.

1.4.5 As a base for the contract price of the vessel, the rules valid on the date when

the contract is signed shall be applied for the Classification Society.

1.4.6 For the national Authorities and Safety Convention rules keel laying date is

applied.

1.4.7 The vessel shall be delivered with all relevant certificates from the Class and

Authorities without any remarks.

1.4.8 All certificates shall be delivered with the ship, placed in plastic pockets in a

ring binder. A set of Photostat copies to be delivered to the Owners.

1.4.9 Registration letters, loadline and other official marks to be fitted according to

the rules.

1.4.10 Owner’s representative shall during the building period have access to the

Builders Builder and workshops for control and inspection. Builder to assist

the Owner’s representative so he can inspect and supervise at the Builder ’s

subcontractors.

1.4.11 Special attention shall be paid to noise level in accommodation.



1.5 DRAWINGS

1.5.1 Medea srl have arranged the following documentation and class drawings

which are part of this specification:

ID DRAWING CODE REV. DESCRIPTION

GENERAL

1 C24.14. G .001 5 General Arrangement

2 C24.14. G .002 1 Tank Plan

3 C24.14. G .003 A New Accommodation Layout

HULL

1 C24.14. H .001 A Midship Section

2 C24.14. H .002 A Deck Plan

3 C24.14. H .003 A Watertight BHD in cargo hold

4 C24.14. H .004 A New steel means of escape

5 C24.14. H .005 A New WT doors

6 C24.14. H .006 A New bilge well in cargo hold

7 C24.14. H .007 B Struttura Pedana Poppiera

SAFETY

1 C24.14. S .001 B Fire Definition & Means of Escape

2 C24.14. S .002 B Fire Fighting Plan

3 C24.14. S .003 B Safety Plan

4 C24.14. S .004 B Fire Control & Safety Plan

PIPING

1 C24.14. P .001 0 Bilge System

2 C24.14. P .002 A Accommodation Piping - Grey and Black water

3 C24.14. P .003 A Accommodation Piping - Hot and Cold water

4 C24.14. P .004 B Accommodation Piping - Fire line

BOOKLET

1 C24.14. BK .001 A Intact Stability & Damage Stability

2 C24.14. BK .002 0 Technical specification

4 C24.14. BK .003 0 Budget

5 C24.14. BK .004 2 Piano alloggi

ELECTRICAL

1 C24.14. E .001 A Fire Decting Loops

2 C24.14. E .002 A Fire detecting loop arrangement



1.5.2 Any further drawings shall be needed by Builder for the execution of its scope

of work will be done on his account and the Builder shall deliver a complete

list of all the drawings, which exists for this ship used during construction, so

that the Owners can obtain the drawings from the Builder . CD’s with all “as

built” drawings to be delivered to Owner.

1.5.3 The following drawings to be framed and mounted on board:

a) Fire system

b) Capacity and tank plan

c) Safety plan

d) G.A. plan

1.5.4 The Builder to deliver 3 copies of all drawings “as is” and Instruction Manuals

for all machinery and larger equipment components in English, the as built

drawings to be delivered in both autocad and Pdf Format.

1.5.5 Builder also to work out a Equipment specification with a brief description of

all equipment and with a statement of Make, Type, Production No., Supplier

with address, telephone no., telefax, and other relevant information for

effective maintenance of the ship.

1.5.6 Certificates:

1.5.7 Generally all certificates acc. to IACS, class, authorities and equipment to be

delivered in 1 original + 2 copies.

1.6 MATERIALS

1.6.1 All the materials, fittings, accessories, systems, etc. herein mentioned, unless

otherwise noted, are intended to be in compliance with SOLAS Regulations

and Classification Society Requirements.

1.6.2 The decoration scheme, together with materials and colours for furnishing

fabrics, plastic laminates, deck coverings, paints, etc are to be submitted to the

Owners, or their appointed persons, for approval.

1.7 BUILDING METHOD AND WORKMANSHIP

1.7.1 Hull with equipment and accessories in all concerns to be suitable and solid

acc to applicable rules. All workmanship to be carried out according to

approved drawings and good Builder practice. Steel work to be carried out

according to class requirements.



1.7.2 Working sketches, construction drawings, and other drawings asked or not

asked to be produced by the are to be submitted to the Owners, or their

appointed persons, for approval.

1.8 TRIM & STABILITY

1.8.1 When the ship is as near fulfilment as possible, an inclination experiment to be

carried out and stability calculations to be submitted to the Class for approval.

1.9 OWNER DELIVERIES

1.9.1 Following to be delivered by the Owner:

a) Galley and Mess utensils

b) Blankets and linen

c) Books, charts

d) Consumables

e) Spare parts and other equipment above Class requirements

f) Personal protection equipment

g) Personal Computers

h) Existing equipment to be listed on signing delivery protocol

i) Medicines

j) Scientific Containers

k) Fridges for Scientific purposes

l) Others (to be advised)

1.9.2 Builder to bring the equipment onboard and secure Owner's delivery. Builder

to supply necessary storage place and crane assistance for Owner's deliveries.

1.10 ROUTINE BY ALTERATIONS



1.10.1 Owner shall before and during the construction period have the permission to

make alterations in the specification and on drawings. Any alteration shall

always be agreed upon in writing before the work starts. A variation order (V.0)

system included.

1.10.2 Price consequences and eventually delays in delivery time shall also always be

agreed upon in writing before any such alterations are effected.

1.11 CONSTRUCTION SCHEDULE

1.11.1 Builder to work out a construction schedule for the whole construction period.

Any possible deviation from the schedule has to be reported immediately to

Purchaser and stating the reasons for it and the consequences.

1.11.2 Progress report to be forwarded each month.



2 MAIN GROUP A – ACCOMMODATION

2.1 GENERAL

2.1.1 The internal fittings (furniture, doors, lining, insulation, window boxes,

sanitary equipment etc.) in the existing superstructure are to be dismantled and

scrapped.

2.1.2 The new accommodation is to be arranged and fitted out in accordance with

the General Arrangement (GA) Plan, provided by the Owners. The standard to

be adopted is the Western European Standard quality.

2.1.3 The new accommodation shall comply on all applicable published guidelines

and requirements for Classification Society, Flag State, International Maritime

Organization and International Labour Organization.

2.1.4 All the materials, fittings, accessories, systems, etc. herein mentioned, unless

otherwise noted, are intended to be in compliance with SOLAS Regulations

and Classification Society Requirements.

2.1.5 The decoration scheme, together with materials and colours for furnishing

fabrics, plastic laminates, deck coverings, paints, etc are to be submitted to the

Owners, or their appointed persons, for approval.

2.1.6 Working sketches, construction drawings, and other drawings asked or not

asked to be produced by the Builder are to be submitted to the Owners, or their

appointed persons, for approval.

2.1.7 The existing superstructures is made of steel from main deck up to the first tier.

Above the first tier all structures are made of aluminum and connected to the

steel structure by means of rivets. The external shape of the superstructures

shall be the same as it is now, while only position of windows and scuttle may

change according to the GA.

2.1.8 Special attention shall be taken at design and construction stage to reduce

vibration in accommodation. Working and sleeping spaces shall have sound

insulation in this regard.

2.1.9 Sea fastening shall be fitted for chairs, refrigerators, television etc. equipment.

Appropriate means to prevent self-opening of all doors and covers in heavy

weather conditions shall be provided.

2.1.10 At Owners’ request, this specification can be modified provided that the

modification are agreed with and accepted by the Builder.

2.1.11 The use of the accommodation spaces subject to modernization works is

schematized as follows:



Tier Name Use

4 D deck Bridge, Navigation room and Radio room.

3 C deck 8x2men cabins

2x1man cabins master style

2 B deck 11x2men cabins

1x2men cabins master style

1x laundry

1x change room

1 A deck 1x Mess Room

1x Galley

1x cafeteria

1x dry provision store

1x hospital / sick bay

1x rest room area

-1 I deck 4x2men cabins

3x dry laboratories

2x wet laboratories

2x rest room area

1x HVAC room

-2 II deck Corridor

Store room

Gymnasium

2.2 STEEL & ALUMINIUM WORKS

2.2.1 This paragraph refers to all material used for inserts and renewals, where

necessary.

2.2.2 All material to be marine grade A, class certified. Thickness of plating and

stiffeners shall be as per existing structures and original structural drawings.



2.2.3 All welding to be in accordance with the requirements of Classification society.

Intermittent welding can only be applied for ordinary stiffeners, subject to class

approval.

2.2.4 All stiffeners, girders, flanges, openings shall be with rounded corners to

improve the paint protection.

2.2.5 The drawings, hereby provided, do not include details of balcony, handrails,

external and internal ladders, catwalks, which shall be fabricated by the Builder

according to their best practice and standard subject to reflect the arrangement

of the proposed layout and subject to Class approval.

2.2.6 All open deck and balcony shall be protected with handrails as required by the

ILLC (International Load Line Convention) and by Class.

2.2.7 The plating throughout is to be fair, smooth and tightly fitted, and without

excessive buckles, depressions or uneven edges. All fittings, piping, etc are to

be properly and securely fastened in place.

2.2.8 NDT testing may be required by Class to test proper execution of steel works.

All structural interfaces with actual ship structures (e.g. pillar feet) shall be

tested as per Class requirements.

2.2.9 Special attention to be given to penetrations on aluminium decks and bulkheads

by steel pipe.

2.2.10 The existing radio room, actually enclosed by steel bulkheads, to be arranged

in order to accommodate a 2xmen cabin as per GA plan. The steel works and

strengthening of the necessary opening to be according Class requirements.

2.2.11 In general, all openings in existing steel structures, needed to meet the GA plan,

shall be done with the necessary strengthening curling, stiffeners, flanges etc,

in order to restore the function and in compliance with Class requirements.

2.2.12 All technical access (e.g. for installation of sanitary block) to be restored as per

Class requirements. The position of technical openings shall be to have the

minimum impact on the existing structures, as far as practicable.

2.2.13 Galley to be fitted with two fire type approved rolling shutters, one serving the

self service area in mess room and one for cafeteria, the latter existing

dimension to be reduced to min 600mm;

2.2.14 Trunks for stairways and goods lift to be A class fire insulated according to the

Fire Definition Plan; all doors in conjunction with the trunks to be same fire

class of the trunks.

2.2.15 A vertical trunk for cabling and ducting purposes to be provided between fr 57

and 58 throughout all accommodation spaces;



2.2.16 Three watertight sliding doors, type approved, to be installed according to

drawing C24.14.H.005. All power and electrical installation to be according

SOLAS;

2.2.17 New steel means of escape (emergency exits) to be installed according to

drawing no. C24.14.H.004.

2.2.18 All windows in accommodation spaces to be moved according to GA, existing

holes to be fairly inserted (Alumium or Steel, according to the location).

2.2.19 New weather-tight door, type approved, to be installed on main deck i.w.o.

mess room, starboard side.

2.2.20 Cables shall be effectively supported and secured without damaging their outer

coverings. Space for future additional cables to be provided in major cable runs

(Approx. 15%).

2.2.21 Cable groups shall be supported on metal hangers placed clear off steel hull

structure to permit painting on surrounding structures.

2.2.22 Cable hangers shall be made of steel with corrosion resistant finish.

2.2.23 In accommodation where panel work is done over hull structure, cables shall

be concealed as far as practicable. Panel work in accommodation covering

cable runs, shall be easy dismountable.

2.2.24 The vessel is already fitted with Sewage Treatment Unit suitable for 50pax in

the store on 2nd Lower Deck SB. Such store to be split in two parts: new

transversal steel bulkhead with fire insulation of category A0 shall be placed

on frame 61 SB according to G.A. plan; new door type A0 to access to Sewage

room; the length of the corridor on 2nd Lower Deck shall be less than 7mt. In

this regard a new steel bulkhead of category A0 shall be placed at frame 60 SB.

2.3 PAINT WORKS

2.3.1 This paragraph refers to all and renewals, where necessary.

2.3.2 All structural elements shall be painted with 1x125µm epoxy paint.

Additionally the external plating will be coated with finishing paint according

with the provided by the Owners .

2.4 INSULATION WORKS

2.4.1 All material in this paragraph are intended to be supplied and installed by the

Builder. All heat, sound and fire insulation shall comply with SOLAS and

Classification Society requirements.



2.4.2 On the basis of the specification provided herewith and by its attachments, the

Builder shall develop his own interior design drawings to the extend required

to evaluate and to perform the works. All these drawings shall be submitted to

the Owners for approval.

2.4.3 The walls and decks have to be protected by fire insulation as per Fire

Definition Plan provided by the Owners.

2.4.4 All insulation shall be covered by foil, lining or similar to avoid mineral fibers

to spread into accommodation.

2.4.5 All the deck and bulkhead penetrations necessary for the installation of piping

and electrical system to be made of SOLAS approved material and with the

same fire class of the deck/bulkheads.

2.4.6 Colours of panels, flooring, ceiling, furniture, upholsteries to be agreed with

Owners representative. In particular existing mess room shall be renewed by

keeping as unaltered as possible the original wood-style appearance.

Thermal Insulation

2.4.7 All exposed steel vertical bulkheads, and exposed horizontal deck (i.e. roof and

lower side of deck A) shall be insulated on the inside with 60mm of 45kg/m3

insulation material and retained behind the linings.

2.4.8 All piping and ducting shall be insulated to prevent any condensation and

thermal exchange with surroundings (all hot water and air conditioning pipes

to be insulated).

Deck Coverings

2.4.9 All the deck have to be covered with a primary deck covering, latex based, in

compliance with SOLAS Regulations. The above layers to be made of about

one (1) centimetre of cement and final covering by PVC covering carpet (e.g.

linoleum).

2.4.10 The change room, galley, toilets, laundries, wet laboratories and the sanitary

cabins shall be fitted out with an anti-slippery tiles floor made by ceramic 10 x

10 centimetres or similar. Epoxy or similar flooring can be accepted subject to

Owner approval.

Lining

2.4.11 All accommodation ceiling, partitions, boarding panels, inspection doors,

doors, etc shall comply with SOLAS Regulations and according to the Fire

Definition Plan provided by the Owners.

2.4.12 Partitions between cabins shall be made by 50mm thick panels class B15.

2.4.13 Lining on the exposed walls shall be made by 25mm thick panels class B15.



2.4.14 Partitions between corridors and cabins, offices and corridors, offices and

offices shall be done by deck-to-deck panels class B15.

2.4.15 Colours scheme to be chosen by Owners or their appointed persons.

2.4.16 Existing transversal partition at frame 62 on the bridge to be open in order to

have a common open area on the bridge.

2.5 CABINS, LABORATORIES AND COMMON SPACES

2.5.1 All material in this paragraph are intended to be supplied and installed by the

Builder and to be in compliance with SOLAS and Classification Society

requirements and supplied with certificates.

2.5.2 All doors to have labels overhead indicating the compartment name, and to be

fitted with a Master-Key system for the locks. All internal doors shall be B15

type except doors in way stairway and HVAC room, which are required to be

A15 type.

2.5.3 All corridors to be fitted with handrails on one side, power sockets 220V/60Hz

located every 4 m on one side and a ceiling built-in lamp (neon lamp 2x18/33W

each) located every 4m.

2.5.4 Furniture covering laminates to be made by hard plastic laminate (e.g.

Perstrop) and all corners to be rounded to avoid injuries. All the furniture shall

be fitted in order to avoid any dead space and to permit easy cleaning and made

by plywood with marine standard outfittings.

2.5.5 All cabins will be fitted with single tier built-in double bed (i.e. bunk bed)

except the cabin designated to accommodate Master and Chief Engineer.

2.5.6 All cabins will be fitted with a sanitary block except for the four cabins on the

first lower deck.

2.5.7 Existing hospital to be converted in a sick bay and a dry provision store.

2.5.8 Existing dry provision store to be converted in gymnasium.

2.5.9 Existing store on 2nd lower deck between fr 55 and 68 to be split in two parts,

fore part of the store to be fitted with a handling room as shown on GA-plan.

2.5.10 Existing radio room with all equipment and cabling to be moved on the bridge.

2.5.11 Stairs within staircase to be complete with handrail, to be made according to

the good practice to be supplied and fitted out by the Yard.



2.5.12 Additional vertical emergency exits to be fitted as per drawing n. C24.14.H.004

Cabins

2.5.13 There are twentysix (23) cabins, each one to accommodate 2 persons. There

are three cabin, master style, fitted with day room and restroom, able to

accommodate 2 persons. Each cabin has an attached independent sanitary

cabin. Reference to be made to the GA.

2.5.14 All materials to be type approved and provided with MED certificate, as

applicable.

2.5.15 Furniture in cabins to be according to the Piano Alloggi (Italian Language) n.

C24.14.BK.004. Design, colours and arrangement of furiniture to be subject to

Owner approval.

Laboratories

2.5.16 Furniture in laboratory to be according to the GA plan.

2.5.17 Design, colours and arrangement of furiniture to be subject to Owner approval

2.5.18 Wet laboratories to be fitted with tables, in laminated, and wash bowls, Tables

height to be 900mm and to be fitted with lashing devices for fatening of

equipment and computers on top.

2.5.19 Each wet laboratory to be fitted with a vacuum hood with dedicated and

independent exhast fan and ventilation flat above freeboard deck.

2.5.20 Doors leading to laboratories shall have free width of min 1000mm.

2.5.21 Portside corridor on laboratory deck to be fitted with sliding watertight door

leading to cargo hold and with vertical emergency exit 900x900mm minimum

dimensions.

Galley

2.5.22 Final layout of the galley shall reflect actual arrangement.

2.5.23 Existing galley and cafeteria equipment to be dismantled and stored by Builder.

After completion of modernization works all equipment to be restored back.

2.5.24 Galley to be fitted with an anti-slippery tiles floor made by ceramic 10 x 10

centimetres or similar.

2.5.25 Existing drain to be preserved.

Mess Room



2.5.26 Mess room shall be renewed by keeping as unaltered as possible the original

wood-style appearance.

2.5.27 Additionally, a weather tight door to be installed on portside as shown in GA

plan.

Bridge

2.5.28 Existing transversal partition at frame 62 on the bridge to be open in order to

have a common open area on the bridge.

Sick Bay

2.5.29 Existing hospital to be converted in a sick bay and a dry provision store;

Other spaces

2.5.30 As for arrangement of other accommodation spaces, GA to be used as

reference.

2.6 EXTERNAL FITTINGS

Windows

2.6.1 All the cabins and common spaces to be fitted out with windows typical

dimension 400x560mm, as per GA, type movable complete with stopper and

in compliance with SOLAS Regulations.

2.6.2 Each window shall be provided with suitable window box made by non-ferrous

material.

2.6.3 Each cabin window to be provided with darkening curtains.

External Doors

2.6.4 All external doors to be replaced by new doors made of PVC or equivalent

material, easy open type, with glass according to Solas regulations and Class

requirements.

2.7 ELECTRICAL SYSTEM



2.7.1 All the materials mentioned within this paragraph to be supplied, provided with

MED certificate, as applicable, and installed by Builder .

2.7.2 All the accommodation spaces to be provided with power supply 200V/50Hz

provided by the Ship main of the vessel. Wirings, penetrations and distribution

boards to be in compliance with SOLAS and Class requirements.

2.7.3 Each cabin to be connected to a sub-switchboard, located on each floor, by

dedicated breaker.

2.7.4 Builder shall provide all necessary cabling for the implementation of a Pubblic

Address (PA) in each corridor and common spaces.

2.7.5 Builder shall provide all necessary cabling for the implementation all fire

detection sensors as per attached drawing in each corridor and common spaces.

2.7.6 Sensors and fire control unit shall be supplied and installed by Builder.

2.7.7 Wiring design to be done by Builder .

2.7.8 Each cabin to be fitted as follows:

a) Two (2) ceiling built-in lamps (neon lamp 2x18/33W each)

b) One (1) celing-mounted air diffuser unit

c) One (1) internal telephone plug located on top of the desk

d) Two (2) LAN/Ethernet plug located on top of the desk

e) Two (2) spare power points 220V/60Hz located on top of the desk

f) Two (2) power points 220V/60Hz – 15 A located every 2 meters around

the perimeter

2.7.9 Each laboratory to be fitted as follows:

a) A certain number, according to existing arrangement, of ceiling built-

in lamps (neon lamp 2x18/33W each)

b) A certain number, according to existing arrangement, celing-mounted

air diffuser unit

c) One (1) internal telephone plug located on top of the desk

d) Four (4) LAN/Ethernet plug located on top of the desk

e) Two (2) spare power points 220V/60Hz located on top of the desk

f) Two (2) power points 220V/60Hz – 15 A located every 2 meters around

the perimeter

2.7.10 Existing UPS for scientific consumers to be kept in place, while batteries to be

replaced. Provision and installation of battery-pack to be done by Builder.

2.7.11 Each corridor, stairway, store, change room and mess room to be fitted as

follows:



g) A certain number, according to existing arrangement, of ceiling built-

in lamps (neon lamp 2x18/33W each)

h) Two (2) power points 220V/60Hz – 15 A located every 2 meters around

the perimeter

2.8 PIPING SYSTEMS

2.8.1 All the materials mentioned in this paragraph to be designed, supplied and

installed by Builder in compliance with Rina requirements.

2.8.2 All the piping mentioned in this paragraph is intended to be deep galvanized.

Black water system

2.8.3 All the pipe to be not less than 5° sloped down against the upright water plane.

2.8.4 Penetrations to be in compliance with Class Requirements.

2.8.5 Reference to be made to the attached drawings.

Grey water system

2.8.6 All the pipe to be not less than 7° sloped down against the upright water plane.

2.8.7 Penetrations to be in compliance with Class Requirements.

2.8.8 Reference to be made to the attached drawings.

2.8.9 All the black and grey water pipes shall be led to a sewage treatment unit,

already fitted on board the vessel, and to be installed by Builder below the

lowest accommodation tier.

Hot and Cold water system

2.8.10 Cold and hot water supply points to be provided as needed for:

a) each sanitary cabin

b) dirty mess room

c) day room

2.8.11 The hot water line to be thermally insulated, arranged with recirculation piping,

and connected with the existing system of the vessel.

2.8.12 Penetrations to according to Class Requirements.

2.8.13 Piping drawings to be produced by ShipBuilder and supplied to the vessel.



2.9 HVAC system

2.9.1 An Hot Ventilation and Air Conditioning system to be install in replacement

of the existing system located in the dedicated room on deck I, between frame

38 and 45.

2.9.2 System and Piping design shall be made by the Builder.

2.9.3 The external reference condition for the AC system to be assumed with 35°C

and 80% umidity and sea water 36°C.

2.9.4 The AC system to assure the following conditions:

a) in cabins temperature not higher than 25 °C, with humidity in the range

40-60%,

b) in offices and working spaces not higher than a 25 °C, with humidity in

the range 40-60%,

c) noise and vibration to be minimized according to ILO Regulations.

2.9.5 The external reference condition for the hot ventilation system to be assumed

-10°C.

2.9.6 The hot ventilation system to assure the following conditions:

d) in cabins temperature not lower than 20°C,

a) in offices and working spaces not higher than a 20 °C.

2.9.7 Ducts drawings to be produced by the Builder and supplied to the vessel.

2.9.8 AC ducting to be insulated to avoid condensation.

2.9.9 Capacity to be based on max. re-circulated air amount of 50%. Arrangement to

ensure easy damper settings for approx. 30-100% fresh air supply. No re-

circulated air from toilets, wash rooms and mess rooms.

2.9.10 HVAC unit shall be complete built onto one common baseframe together with

two separated system by 50% of total power each, compressors with capacity

control and seawater-resistant condensators

2.9.11 Supply air flow to be individually controlled in each room and outlets to be

through doors to adhering alleyway, and exhaust through ceiling mounted

exhaust registers in sanitary blocks.

2.9.12 The plant to be arranged for automatic capacity control.



2.9.13 The air conditioning unit, marine type, shall be equipped with Electrical Heater

for Heating Air function.

2.9.14 The unit will be fitted with fresh air intake with water mister catcher to ensure

that smoke from funnel and air from accommodation exhaust and crankcase

outlets is not flowed into A/C unit.

2.9.15 The Air Ventilation units, cabin units, dampers, compressors,

condensers/receivers and all the fittings of the plant will be supplied and

installed by the Builder.

2.9.16 In accordance with the manufacturer’s recommendations, the Builder will take

particular care of directing ducting, insulation of ducting through bulkheads,

proper location of outlets and louvers and number of design of louvers.

Exhaust Ventilation

2.9.17 An exhaust ventilation system to be designed and installed by the Builder to

extract vapours from all the toilets and, with separated ductiong, air from

laboratories, mess room, change room, laundries and gym.

2.9.18 A ventilation fan shall be fitted in the externally, one per each deck, and so that

to blow exhaust air outside through a steel ventilation flap.

2.10 LIFE SAVING APPLIANCES & FIRE FIGHTING EQUIPMENT

2.10.1 All LSA and FiFi equipment shall be supplied by Owners.



3 MAIN GROUP B – ENGINE ROOM & OTHER MACHINERY SPACES

3.1 OVERVIEW

3.1.1 All insulation material in engine room and engine control room, including

doors, are to be dismantled and scrapped.

3.1.2 New insulation to be installed according to Fire Definition Plan and complying

with SOLAS and Classification Society requirements.

3.2 STEEL WORKS

3.2.1 Existing door at fr 25 to be made gas-tight.

3.2.2 Additional sliding watertight doors to be fitted as per drawing n. C24.14.H.005.

3.2.3 Existing vertical trunkig for emergency exit at fr.11-12 to be modified by

blanking access from “sala streamer” (aft access).

3.2.4 Additional vertical emergency exits to be fitted as per drawing n.

C24.14.H.004.

3.3 INSULATION WORKS

3.3.1 All insulation material in engine room and engine control room, including

doors, are to be dismantled and scrapped.

3.3.2 New insulation to be installed according to Fire Definition Plan and complying

with SOLAS and Classification Society requirements.

3.4 PIPE WORKS

3.4.1 Actual pipeline for bildge system to be extended forward up to the fore cargo

hold and fitted with all necessary fitting as per drawing n. C24.14.P.001.



4 MAIN GROUP C – HULL

4.1 CARGO HOLD

4.1.1 Cargo hold to be split in two parts by means of installation on a new watertight

steel bulkhead as indicated in GA and drawing n. C24.14.H.003.

4.1.2 The bulkhead to be arranged in cargo holds at the frame #82-#81 extending

from tank top to main deck (a watertight floor already exists at frame #82).

4.1.3 The bulkhead shall be stiffened on the aft side.

4.1.4 The new transverse watertight bulkhead subdivide the cargo hold area in:

a) Forward high cargo hold;

b) Aftward high cargo hold;

c) Forward low cargo hold;

d) Aftward low cargo hold.

4.1.5 Forward cargo hold to be provided by two new bilge wells (drawing n.

C24.14.H.006) with all necessary fittings (strainers, high-level alarms, etc.)

and valves to be connected to the existing bilge system. Alarms repeated in

ECR and on the bridge.

4.1.6 Shortening of the existing hatch opening and coamings according to drawing

C24.14.H.002 and in order to stow one ISO 20 container.

4.1.7 Provision and installation of a new hatch cover, approx. dimension

6500x400mm, lift-away type approved, consisting in at least two panels. The

cover to be suitable to support one ISO20 container and fitted with suitable

securing arrangements.

4.1.8 Steel insert on main deck and 1st lower deck to restore deck continuity after

shortening of hatch opening.

4.1.9 All new parts of decks to have the same sheer and camber of the relevant

adjacent exiting deck.

4.1.10 Modification of the movable patch with size approx. 5580 x 4000 mm in cargo

hold on first lower deck according to C24.14.H.002.

4.2 STABILITY

4.2.1 Installation of fixed ballast weights in double bottoms for an aggregate weight

of 34000 kg at x=33.00m, y=0.00, z=0.3m above base line.



4.2.2 When the ship is as near fulfilment as possible, an inclination experiment to be

carried out and stability calculations to be submitted to the Class for approval.

4.3 OPEN DECKS – WORK AREA

4.3.1 Sea fastening devices, twist lock type, to be installed on forward weather deck

in order to carry 1 off ISO20 container on hatch covers and 1 off ISO10

Containers on deck between frames 72 and 80, starboard side.

4.3.2 A platform made of steel suitable steel profiles and twist lock to be installed as

extension of deck B (ponte cabine) in order to fit 1 off ISO20 and 1 off ISO10

Containers.

4.3.3 New platforms on aft open deck to be installed, on portside and starboard side,

to extend transversally the working area; new structures will be fabricated and

installed by the builder as shown in drawing no. C24.14.H.007.

Emergency Exits

4.3.4 Four new emergency exit shall be provided through the vessel and are to be

arranged at the following positions:

a) Emergency hatch between frame #0 - #1 on A-Deck PS, dimens.

600x600mm;

b) Emergency hatch between frame #35 - #36 on A-Deck PS, dimens.

600x600mm;

c) Emergency hatch between frame #73 - #74 on A-Deck SB, dimens.

900x900mm;

d) Emergency exit door at frame #65 on A-Deck SB in Mess Room

4.3.5 Hatches from open deck to be of watertight type with steel coamings and steel

covers. All emergency hatches/door to be arranged with approved closing

appliances. Height of coaming to be 600 mm.

4.3.6 All trunks of new emergency exits to be in accordance with classification

society requirements.

4.3.7 The existing door at frame #11 on I-Deck, giving access to the emergency trunk

shall be inserted. The existing emergency trunk is intended only for E.R.

escape.



5 MAIN GROUP D – CARGO AND EQUIPMENT HANDLING SYSTEMS

5.1 ROSETTE A-FRAME

5.1.1 An CTD LARS, A-frame type, suitable for launching and recovery of the

rosette water sampling carousel, type SBE 32 to be provided installed and

commissioned by the Builder.

5.1.2 The A-frame shall work on local and remote control system.

5.1.3 Location of the A-frame is approximatively at fr. 73-79 on stardboard side,

main deck.

5.1.4 Bulwarks to be open, and suitable crew protection systems (handrails, chains,

etc.) to be fitted in way of the opening.

5.1.5 The A-frame and its pistons to be installed on its own skid, which is to be

provided with suitable fastening flanges or feet.

5.1.6 A winch, fitted with electrical slip-ring, suitable to carry 6000m steel wire with

diameter of 11.4mm to be provided, installed and commissioned by the Builder

including hydraulic power unit.

5.1.7 All power and electrical connection to be done by the Builder.

5.2 CARGO CRANE

5.2.1 The existing derrick crane to be replace by a conventional marine crane with

capacity of 50tons x meter, able to 15m maximum outreach.

5.2.2 The existing derrick mast to be removed.

5.2.3 The existing exhaust gas piping for diesel generator and the existing ventilation

opening for cargo hold, actually supported by the derrick-mast, to be re-routed

on portside and enclosed within a dedicated funnel-ventilation duct, erected

and built according to Class and ILLC requirements.

5.2.4 A fore mast to be fitted to carry the statutory lights and signals, actually

installed on derrick mast.



5.3 AFT A-FRAME

5.3.1 Modification of the existing A-frame SWL 20tons, by lengthening of the legs

up to 7000mm and replacement of the upper transverse to reach overall beam

of 11000, SWL to be de-rated accordingly.



6 MAIN GROUP E – ELECTRICAL & MACHINERY SYSTEMS

6.1 STATUTORY REQUIREMENTS

6.1.1 This paragraph refers to the electrical installations, other than the ones related

to the accommodation domestic purposes, needed to comply with SOLAS

74/83.

6.1.2 Installation of alarm for low pressure for starting air on bridge (in compliance

with reg.31.2.9 cap. II-1).

6.1.3 Relocation of the emergency fire pump from the actual position to the forward

cargo hold, 1st lower deck, portside, at frame 95 (in compliance with reg.39

cap. II-1).

6.1.4 The alarm system for ER to be continuously powered by and provided with

auto-change-over to a stand-by power supply (e.g. battery backup) (in

compliance with reg.51.1.2 cap. II-1), actually such arrangement is available

only for DDGG.

6.1.5 Existing goods lift at frame 55-57, electrical and mechanical parts to be

refurbished, doors at each level to be replaced with fire approved type door as

shown in the drawing Fire Definition Plan (n. C24.14.S.001).

6.1.6 A 6 sockets panel, fitted with 3x32A 380V sockets IP67 and 3c16A 380V IP67

sockets to be fitted by the Builder at the following locations:

e) on main deck, stardboard and portside side, at approx. fr. 68,

f) on deck B, center, at fr 32,

g) in forward cargo hold, on deck I, portside, at fr 82,,

h) in aft cargo hold, on deck I, portside, at fr 82

6.1.7 All necessary wiring from panels to spare breaker on main switchboard to be

installed by the Builder.

6.2 BOW THRUSTER REFURBISHMENT

6.2.1 Replacement of the starter cabinet of the bow thruster with a Frequency

Converter, suitable for the thruster and able to be remotely controlled. The

remote control system to be installed with control panel on the bridge and alarm

panel on ECR and repeated on the bridge.

mv “ogs explora”

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