1. GENERAL DESCRIPTION
The vessel is an unmanned dump barge suitably equipped for carrying deck cargo for unrestricted services. The barge is all welded steel construction. It has flush deck and twin skegs. The main hull is divided by eight (8) transverse W.T. bulkheads and two (2) longitudinal W.T. bulkheads into twenty-seven (27) compartments.
2. PRINCIPAL PARTICULARS
Length: 82.30 M (270’-0”)
Beam: 21.40 M (70’-0”)
Depth: 4.90 M (16’-0”)
Frame spacing: 1830 MM
Draft moulded: 3.80 M (approx.)
Deadweight: 5500T (approx.)
Deck loading: 7 Tonnes/M2
The vessel is designed suitable for registration as a cargo barge and constructed in accordance with the latest rules and regulations of ABS for unrestricted services and to their special Survey to hull for Class for Unmanned Deck Barge. Notation: ABS +A1 Deck Barge.
The following certificates will be supplied to the Owner at the time of delivery of the vessel:
(a) Builder’s Certificate
(b) Temporary International (1969) Tonnage Certificate issued by ABS
(c) Interim Class Certificate issued by ABS
(d) Provisional Load Line Certificate by ABS
(e) Cargo Ship Safety Construction Certificate issued by ABS
(f) Anti fouling certificate by ABS
5. MATERIALS & WORKMANSHIP
All materials and workmanship will be of the highest quality, with all steel plates, sections,hull forging and castings met with ABS Classification requirements and approval.
The vessel will be welded constructed. Welding is to be carried out in accordance with the Classification’s requirements and to the attending Surveyor’s Satisfaction.
Prior to the delivery, the hull and other fittings etc. to be thoroughly tested to the satisfaction of the Classification’s attending Surveyor.
8. STABILITY BOOKLET
The stability booklet is to be prepared and supplied by the builder based on the estimated lightship weight or the results from lightship Survey if and when required by the Classification.
Longitudinal Bulkhead: 8.0mm
Transverse Bulkhead: 8.0mm
Deck Longitudinal: 125x80x7mm O.A./125x80x7mm O.A. (Deck beam)
Bottom Longitudinal: 125x80x8mm O.A./ 140x90x8mm O.A. (Bottom beam)
Side Longitudinal: 125x80x7 mm O.A./ 125x80x8 mm O.A.(FR.36~Fore)
Longitudinal Bhd. STIFF. 100x80x6 mm O.A./100x63x6 mm O.A.(FR.36~Fore)
Transv.Bhd.STIFF. 100x80x6mm O.A. /100x63x6 mm O.A
Transv.Bhd.Stringers 250x8+75 flanged plate
Transverse/ Webs (Approx. subject to changes)
450x10+100mm flanged plate
350x8+75mm flanged plate
400x10+100mm flanged plate
350x8+75mm flanged plate
400x8+75mm flanged plate
450x8+75mm flanged plate
450x8+100mm flanged plate (Fr.0~36)
350x8+75mm flanged plate(Fr.36~fore)
400x8+100mm flanged plate (Fr.0~36)
350x8+75mm flanged plate (Fr.36~fore)
Long. Bhd. WEB.:
400x8+75mm flanged plate
450x10+100mm flanged plate(Fr.0~36)
400x8+75mm flanged plate(Fr.36~fore)
Vertical: 250x10+250 FLG. (Fr.0~36)
Vertical: 150X150X12mm O.A. (Fr.36~ fore)
Diagonals: 140x140x10mm O.A.
Bilges chine ?50 R.B.
10. DECK FITTINGS
(a) Sideboard L73.2m x B19.00m x H2.4m
Vertical web 10mm flanged
(b) One (1) 1290kg stockless bower anchor with 36m x 28mm diameter wire rope.
(c) One (1) diesel operated winch of 10ton pull to be provided.
(d) Flush type watertight manholes of 630x430 on main deck are to be provided for middle compartment and raise type watertight manholes of 600x400 are to be provided for side compartment. Studs, washer and nuts are to be stainless steel.
(e) twenty-seven (27) vertical steel ladders for access to under deck voids.
(f) Four (4) towing brackets to be fitted on bow and stern of main deck, two for main towing and two for emergency tow.
(g) Four (4) sets of chaffing chain, two for main towing and two for emergency tow.
(h) Four (4) 55t shackle
(i) Ten (10) mooring bollards of 12'' NB sch 80 pipe are to be fitted on main deck.
(j) Small lags for lashing of portable type fenders to be fitted on deck.
11. NAME AND DRAFT MARKS
The name of the barge is to be welded and painted on the bow port and starboard, the name and port of registry of the barge are to be welded on and painted on the stern. All letters are to be not less than 300mm in height. Port of registry is to be not less than
All steel plates/steel material is to be grit blasted to SA2.5 on both sides of the steel plates and all round on all other steel materials and cleaned to as high a standard as possible in order to remove all the dust and mill scale prior to painting with one (1) coat of marine primer. All steel surfaces are to be free from grease and free from moisture before priming coats are applied. All coats are to be thoroughly dry before further coats are applied on top.
13. CATHODIC PROTECTION
Sixty (60) zinc anodes are to be fitted to protect the external hull below the waterline against corrosion.
On completion, three (3) sets of the following hard prints as approved by the Classification are to be supplied: -
- Lines plan
- General Arrangement
- Structure construction Drawings
- Welding Schedule
- Skeg Detail
- Sideboard detail
- Bulwark detail
- Stability Booklet
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