Description Details :
SPECIFICATION OF 330FT X 90FT X 21FT
1
SECTION 1 - GENERAL
1.1 Intent & Definition
This specification together with the drawings is to describe the construction of an unmanned cargo
barge suitably equipped for carry deck cargo for unrestricted services.
1.2 General Description
The vessel is to be all welded structure with three (3) skegs.
The hull is to be divided by nine (9) transverse watertight bulkheads and three (3) longitudinal
watertight bulkheads into thirty-eight (38) compartments.
1.3 Principal Particulars
Length overall 330′-0〞（100.65m）
Bean moulded 90′-0〞 (27.45m)
Depth moulded 21′-0〞 (6.41m)
Deck Loading 15.0 T/M2
1.4 Classification
The vessel is designed suitable for registration as a barge and constructed In accordance with the
latest rules and regulations of BV for unrestricted services with a symbol of PONTOON I HULL.
1.5 Certification & Registration
The following Original certificates should be supplied to the Owner in duplicate before the
delivery of the vessel in Shanghai for the Buyer’s registration purposes. Should original and the
duplicated copies not available, certified true copy is not acceptable:
1) Builder Certificate;
2) Class Certificate;
3) Safety Construction Certificate;
4) Tonnage Certificate;
5) Loadline Certificate;
6) Stability Booklet (2sets).
1.6 Welding
Except where specified otherwise, electric welding shall be employed in the construction of the
vessel. All electrodes used shall be of type approved by the classification society. Automatic
welding method to be used as far as possible throughout construction where possible. Structure
should be pre-fabricated in assemblies and sub-assemblies to give the, maximum possible amount
of down hand welding. Welding schedules to meet classification requirement/standard.
1.7 Materials & Workmanship
All material and workmanship are of the good quality .All steel plates, section, full forging and
castings are to meet BV Classification.
1.8 Inspection
Throughout the construction period and at anytime prior to the delivery, the classifications Surveys
and Owner’s representatives are to be given free access, within normal working hours, to the
builder’s yard for supervision and inspection.
1.9 Test
Prior to the delivery, the hull and other fittings are to be thoroughly tested to be satisfaction of the
classification’s attending surveyor.
1.10 Stability
A lightship measurement will be conducted which will ascertain the lightship weight and the
vertical centre of gravity at lightship condition, is to be carried out by the Builder’s with the
presence of the classification surveyor. Based on these results, a stability report is to be prepared
by Consultant.
1.11 Delivery
Delivery of the vessel is to be taken afloat at a mutually agreed site after completion.
1.12 List of Drawings
On completion, Two (2) sets of the following〝As-Built〞drawings in prints as approved by the
classification are to be supplied, if necessary:
i). General Arrangement;
ii). Construction Drawing;
iii). Skeg Details;
iv). Welding Schedule;
v). Stability booklet;
vi). Draft Marks;
SECTION 2 - STRUCTURE
2.1 General
The steel hull and deck erection are of all welded construction. Longitudinal framing system is used.
The deck scantlings are to be designed to suit 15T/M2 loading.
2.2 Plating
Deck 14.0MM
Bottom 14.0MM
Side 12.0MM
Longitudinal BHD 9.0MM
Transverse BHD 9.0MM
2.3 Longitudinal
Deck longitudinal L150x90x12
3
Bottom longitudinal L150x90x9
Side longitudinal L125x75x9
Long. BHD longitudinal L125x75x7
Transv. BHD stiff. L125x75x7
2.4 Transverse Webs
Deck transverse 600x10+150FLG
Deck girder 600x10+150FLG
Bottom transverse 600x10+150FLG
Bottom girder 600x10+150FLG
Side transverse 600x10+150FLG
Long. BHD transverse 600x10+150FLG
Transv. BHD vertical web 600x10+150FLG
Transv. BHD horizontal web 600x10+150FLG
2.5 Stanchions
Vertical H250x250x9/14
Diagonals FL150x150x15/FL200x200x16
SECTION 3 – Deck Machinery & Equipment
3.1 General
All deck machinery and equipment are supplied by Seller and installed to meet Classification’s
requirements.
3.2 Deck Fittings
Mooring Bollards
Eight (8) mooring bollards of 12′ N.B. Heavy Duty Pipe are fitted on main deck as shown on the
GENERAL ARRANGEMENT PLAN.
Fender/Lugs
Suitable numbers of old tires to with 1.5M diameter. The numbers are shown on drawing. Suitable
no. of small lugs of 15.8mm c/w doublers 15.8mm for lashing go portable tyre fenders welded to
deck are to be provided along the sides of the vessel at approximately 3.6m apart.
Towing Brackets
Four (4) 80SWL Smite towing brackets are fitted on main deck Fwd & Aft (P&S).
Anchor winch(OWNER SUPPLY)
One (1) diesel-driven anchor winch of approximately 10 tonnes capacity, the drum shall be
capable of stowing 200m x 41mm dia. galvanized wire rope.
Anchor and anchor pocket
One (1) 2100kg Stockless Bower Anchor and anchor pocket to be provided.
Winch house
4
Winch house with windows to be provided.
Anchor Wire Rope
200m x 41mm dia. Anchor galvanized wire rope with dia. 32mm x 3m stud link chain to be
supplied and installed.
Chain Stopper
One (1) unit chain stopper to suit the chain size to be fitted.
Manhole
One (1) manhole is to be provided for each tank and void compartments, size of manhole to be
600mm x 400mm clear opening and the center tank manhole have sunk manhole cover. Studs and
nuts to be 316 stainless steel.
Navigation Lights
A complete set of SOLAR type navigation lights are to be provided as follows:
*stern light *Bow light (p&s)
Sideboard:
L x B x H 91.50m×25.074m×4.0m
Plate 8mm
Longitudinal L125x75x7/L150x90x9
Stays H150X150X7/10
SECTION 4 – PAINTING & CATHODIC PROTECTION
4.1 Painting
All steel material of hull and all steel materials of sideboard are to be sand blasted.
All part of steel materials are to be cleaned to as a high standard as possible in order to remove all the
dust prior to painting with marine primer. All steel surfaces are to be free from grease and free from
moisture before priming coats are applied. All coats are to thoroughly dry before further coats are
applied on top.
4.2 CATHODIC PROTECTION
Fifty (50) zinc anodes(15kg/pc) are to be fitted to protect the external hull below the waterline
against corrosion.
