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Vietnam standards tcvn 6767-1 : 2000
Fixed offshore Platforms -
Part 1: life-saving appliances
1.1.1.1.1.1.1 Application1.2 The requirements of this Standard
are the minimum requirements to apply in
respect of normally continuously manned offshore installations.
Offshore
installations manned only on occasion will be the subject of
special consideration
in each case.
1.3 This Standard fully apply to newly-built installations. For
installations in service
requirements of this Standard are to be applied as much as
practicable.
1.4 This Standard also specifies quantities and disposition of
life-saving appliances on
the installations.
1.5 Apart from requirements of this Standard, life-saving
appliances shall comply with
SOLAS Convention 1974 and other amendments of this
Convention.
1.6 Technical supervision required by this Standard is to be
performed by VR.
1.7 Life-saving appliances which are different to those
specified by this Standard may
be accepted by VR provided they are equivalent.
1.7.1.1.1.1.1.1 References
TCVN 6171:1996 Fixed offshore Platforms - Technical supervision
and classification
TCVN 6259-7A:1997 Rules for the classification and construction
of sea-going ships-
Part 7A: Material
Refer to Appendix A for reference documents.
1.7.1.1.1.1.2 Technical supervision
1.8 General
1.8.1 General requirements for technical supervision of
life-saving appliances during
fabrication and operation are specified in TCVN 6171:19961.8.2
Before installed on board, each life-saving appliance is to be:
(a) Reviewed by VR with plans and information submitted as
required by 3.2.4 of
this Rule;
(b) Surveyed during fabrication and
(c) Provided with Certificate of Fitness for testing
requirements specified in
"Recomemdation for testing life-saving appliances" of IMO (refer
to Appendix A).
1.8.3 For new type of life-saving appliances, acceptance is
given if their safety
standards are at least equivalent to this Rule and they are to
be evaluated
and tested in compliance with requirements of IMO (refer to
Appendix A).
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(b) In special cases where the installations are equipped with
appliances which are
differrent to original ones, technical documentation for
equipment relevant to
those required for new construction is to be submitted to VR for
approval.
3.2.4 Submission of documentation of equipment to be
constructed
(a) For lifeboats
Specification (hull, macinery and electrical installations)
including calculations
of strength, stability, unsinkability, volume of buoyancy, block
of coefficient,
carrying capacity, displacement. Recovery ability of balanced
situation,
calculations of protective means and compressed air system, fire
resistance of
lifeboats;
Lines drawing;
Longitudinal and transverse sections with indication of
arrangement of air
cases or compartments, their volume and maerials;
Drawing of arrangement, securing of the launching and recovery
appliance and
stength calculations;
Drawing of steering gear;
General arrangement plan with indication of stowage of equipment
and
accommodation of persons and list of boat equipment;
Plan of protective arragement;
Shell expansion (for metallic lifeboats);
Drawing of propulsion unit and the shafting including
calculations;
Test procedures.
(b) Rigid liferafts
Specification of liferaft including stregth calculations of
liferaft, its towing and
launching and recovery arrangements, displacement, deck area and
carrying
capacity;
General arrangement plan (construction of liferaft and main
dimensions with
indication of stowage of equipment and accommodation of
persons), list of
liferaft equipment, arrangement and construction of protective
foldable cover;
Test procedure.
(c) Inflatable liferafts
Specification of liferaft including stregth calculations of
liferaft, its towing and
launching and recovery arrangements, displacement, deck area and
carrying
capacity;
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General arrangement plan (construction of liferaft and main
dimensions with
indication of persons, stowage of equipment, location of
fittings and valves)
and list of liferaft equipment;
Arrangement diagram, drwing of fittings and valves of automatic
gas inflation
systems;
Test procedure.
(d) Buoyancy appliances
Specification including calculations of buoyancy and carrying
capacity;
General arrangement plan (construction, material and
equipment);
Test procedure.
(e) Launching appliances of lifeboats or liferafts
Specification;
General arrangement plan (construction, material and
equipment);
Strength calculation and force diagrams;
Test procedure.
(f) Winches and mechanical drives
Specification;
General arrangement plan (construction, material and parts with
dimensions);
Strength calculations;
Test procedure.
(g) Lifejackets, lifebuoys, line-throwing appliances
Specification;
General arrangement plan (construction, material and parts with
dimensions);
Test procedure.
1.10 Technical requirements1.10.1 The technical requirements of
materials used for manufacture of the
equipment to be installed on board are to be in compliance with
TCVN 6259-
7A:1997 Rules for the classification and construction of
sea-going steel ship. In
special case, VR may require the supervision of material not
referred in the
above-mentioned Rules. The use of new material, structure,
technology or
manufacture or repair for the first time is to be approved by
VR.
1.10.2 Technical requirements for design, manufacture, surveys
and installation of
safety equipment referred in this Rule are to be in compliance
with relevantrequirements in Chapter III of SOLAS.
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1.10.2.1.1.1.1.1 Life - saving appliances and equipment
4.1 Survival craft
4.1.1 Survival craft are to be so constructed and equipped as to
comply with
Regulations 38, 39, 40, 41, 44, 45 and 46, Chapter III of
SOLAS.
4.1.2 Each offshore installation which is normally manned is to
be provided with:(a) Rigid totally enclosed motor propelled and
fire protected survival craft of such
capacity as will accommodate all persons on the offshore
installation.
(b) Additional rigid or inflatable survival craft of such
capacity as will accommodate
all persons on the offshore installation.
4.1.3 Lifeboats are so arranged that no interference with the
operation of any other
survival craft is to happen.
4.1.4. Lifeboats are to be stowed as near the water surface as
is safe and
practicable.
4.1.5. Lifeboats are to be well stowed and protected against
fire and
explosion.
4.1.6. Liferafts are so stowed as to permit manual release from
their securing
arrangements.
4.1.7. Survival crafts with approved launching appliances are to
be stowed as
close to the accommodation and service spaces as possible.
4.1.8. Launching appliances in compliance with Reg. 48, Chapter
III of SOLASis to be provided.
4.1.9. Each lifeboat shall be provided with an appliance which
is capable of
launching and recovering the lifeboat.
4.1.10. The survival craft is to be visible at all times during
launch and in
respect of lifeboats, during recovery, to the person on the deck
operating
the launch mechanism.
4.1.11. Falls shall be long enough to lower the boat to the
lowest
operating water level.
4.1.12. For similar survival craft carried on board the
installation, only
one single type of release mechanisim is to be used.
4.1.13. Each totally enclosed motor propelled and fire protected
survival
craft is to be provided with a radio apparatus capable of
transmitting and
receiving on2182 kHz or VHF Channel 16.
4.1.14. One floating beacon capable of indicating emergency
location of
survival craft is to be provided on board. This shall be so
stowed as canbe readily transferable to survival craft.
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4.1.15. A set of tools and spare parts are to be carried on the
installation
available for the repair and maintenance of each type of engine
fitted in
motor propelled survival craft.
4.1.16. Each survival craft is to be clearly and permanently
marked with
the name or other designation of the offshore installation on
which it is
fitted.
4.1.17. Installation shall carry at least one rescue boat
complying with
the requirements of Regulation 47, Chapter III of SOLAS. A
lifeboat can be
accepted as a rescue boat, provided that it also complies with
the
requirements for a rescue boat.
4.2 Lifebuoys
4.2.1 Lifebuoys are to comply with requirements of Regulation 31
of SOLAS.
4.2.2 Lifebuoys are to be provided in such numbers, but not less
than eight on eachinstallation, and so stowed that at least one is
readily accessible from any part of
each deck or platform of the offshore installation.
4.2.3 At least two of the lifebuoys are to be provided with self
- activating smoke
signals in addition to the light required by 4.2.5.
4.2.4 At least two the lifebuoys are to be fitted with a buoyant
lifeline, the length of
which is to be at least one and one half times the distance from
the stowage position
to the water level, or 30m whichever is greater.
4.2.5 Each lifebuoy is to have attached to it a self -
activating buoyant light powered
by an electric battery and inextinguishable in water.
4.3 Life - jackets
4.3.1 Lifejackets are to comply with requirements of SOLAS.
4.3.2 Life - jackets of an approved type and complying with the
requirements of the
applicable SOLAS Convention are to be provided for all persona
on the offshore
installation plus at least 50 per cent that number.
4.3.3 Each lifejacket is to provided with a light having
luminous density of not lessthan 0.75cd and a source of energy
capable of operating the light for a period of at
least 8h.
4.3.4 Life - jackets are to be stowed in suitable conspicuously
marked locations and
be ready for use at all times.
4.4 Means of escape and emergency lighting
4.4.1 All areas likely to be manned are, where practicable, to
have at least two well
- marked escape routes leading to abandonment stations on the
helicopter deck, on
the survival craft embarkation deck and at sea level..
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4.4.2 Sufficient means are to be provided for embarkation into
life - saving
equipment as appropriate. The means provided should take into
consideration the
overall scope and configuration of the offshore installation and
the method of
launching the life - saving appliances, all of which are to
required minimum physical
exertion. The means of escape are to include the following:
(a) Sufficient personnel landings to ensure safe access and
egress. When due to
special construction features, personnel landings are not
possible, that suitable
transfer facilities to provide safe access and egress are to be
fitted.
(b) Personnel landings with efficient means of artificially
illuminating the landings
and the sea areas in their vicinity.
(c) Sufficient and suitable arrangements for persons to descend
to the water in an
emergency.
(d) All exits from main working and accommodation areas which
are to becontinually illuminated.
(e) Illumination of the helicopter landing area, delineation of
the perimeter and
identification of the height and proximity of any obstacles.
(f) Emergency power for the illumination purposed described in
(b), (c) and (e) in the
event of failure of the main generating system. The source or
sources of
emergency power are to be as remote as practicable from the main
power
generating plant.
4.5 Survival craft muster and embarkation arrangements
4.5.1. Muster station shall be provided close to the embarkaion
stations. Each
muster station shall have sufficien space to accommodate all
persons
assigned to muster at that station.
4.5.2. Muster and embarkation stations shall be readily
accessible from
accommodation and work areas.
4.5.3. Davit-launched survival craft muster and embarkation
stations shall be
so arranged as to enable strecher cases to be placed in survival
craft.
4.5.4. An embarkation ladder complying with requirements of
SOLAS
extending, in a single length, from the deck to the survival
craft under
under the lowest operating water level shall be provided at
each
launching station or at every two adjacent launching
stations.
4.5.5. Where necessary, means shall be provided for bringing the
davit-
launched survival craft against the ship's side and holding them
alongside
so that persons can be safely embarked.
4.6. Emergency procedures
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4.6.1. Each offshore installation is to be provided with general
emergency
alarm systems. This system shall be capable of sounding the
general
emergency alarm signal consisting of seven or more short blasts
followed
by one long blast and additionally on an electrically operated
bell or
klaxon or other equivalent warning system, which shall be
powered from
the installation's main supply and the emergency source of
electrical
power. The system is capable of operating from strategic points
on the
installation. The system shall be audible throughout all the
accommodation and normal crew working spaces and open decks.
4.6.2. At least six parachute signals capable of giving a bright
red light at high
altitude apart from those equipped for survial craft are to be
provided.
These parachute signals shall comply with requirement of
Regulation 35,
Chapter III of SOLAS.
4.6.3. Each person on board the installation shall be provided
with an
emergency instruction and this is to be followed in case of
emergency.
4.6.4. Muster list specifying duties assigned to different
members of the crew
shall be provided at easily visible locations on the
installation.
Appendix A
References
1. The International Convention for the Safety of Life at Sea,
1974 (SOLAS -74) and
SOLAS -74 Protocols.
2. Recommendation on testing of life-saving appliances - IMO
Resolution A. 689 (17)
3. Rules and Regulations for the Classification of Fixed
Offshore Installations, Part 8:Fire and Safety Equipment -
1989.
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