Boat Safety Scheme - appendix f - standards (part 11 - exemptions)
Appendices
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The BSS Guide
Introduction
Inboard engines
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Hire boats and safety features
Appendices

part 11 - exemptions

In all cases of boat refitting whether this be in whole

or in part the opportunity should be taken to bring

exempted installations or equipment up to the

requirements specified under Parts 1 to 10 inclusive.

11.1 Vessels manufactured prior to 16 June 1998

and having a fuel filling pipe of an internal

diameter of at least 32mm (11/4ins) are not

required to comply with that part of Standard 2.2

which requires that a fuel filling pipe shall have

an internal diameter of at least 38mm (11/2ins).

11.2 Vessels manufactured prior to 16 June 1998

and having a vent pipe of an internal diameter

of at least 9.5mm (3/8ins) are not required to

comply with that part of Standard 2.4 which

requires that a vent pipe shall have an internal

diameter of at least 12mm (1/2ins). In the case

of vessels manufactured prior to 16 June 1998

having no vent pipe, a vent in the screwcap or

filling pipe above deck level may be fitted

provided that there is a flame arrester

complying with the requirements of Standard

2.5. The flame arrester shall have a minimum

diameter of 12mm.

11.3 Vessels manufactured prior to 16 June 1998

are not required to comply with that part of

Standard 2.6 which requires that fuel tanks

must have sustained a pressure test of

0.25kgf/cm2 (3.5lbf/in2) before installation and

be marked to indicate this.

11.4 Any diesel fuelled vessel formerly used for the

commercial carriage of freight or passengers or

as a tug or as an icebreaker and which is to be

licenced for use as a pleasure boat, commercial

carrying vessel or registered for use as a

houseboat unless used for the purposes of hire

or reward shall not be required to comply with

Standard 2.8.

11.5 Vessels manufactured prior to 16 June 1998

and having a fuel tank drain without a valve are

not required to comply with that part of

Standard 2.11 which requires that fuel tanks

shall have a suitable drain valve fitted with a

plug on the outlet.

11.6 Diesel fuelled vessels manufactured prior to

16 June 1998 are not required to comply with

that part of Standard 2.12 which requires that

the fuel supply and return pipes shall be taken

through the top of the tank or as near to the

top of the tank as is practicable.

11.7 Diesel fuelled vessels manufactured prior to

16 June 1998 and fitted with a balance pipe

between close coupled tanks are not required

to comply with that part of Standard 2.13 which

requires valves to be fitted where it is not

practicable to do so.

11.8 Vessels manufactured prior to 16 June 1998

are not required to comply with that part of

Standard 2.21 which requires effective means

of reversing.

11.9 Vessels manufactured prior to 16 June 1998

are not required to comply with that part of

Standard 2.22 which requires an oil-tight tray

made of metal or other suitable material, the

sides of which must be carried as high as

practicable where it is not practicable to comply

without the removal of the engine. This

exemption will be rescinded on 16 June 2000

or the first Boat Safety Certificate examination

after this date.

11.10 Vessels manufactured prior to 16 June 1998

and having PVC insulated or sheathed cables in

direct contact with polystyrene thermal

insulation are not required to comply with that

part of Standard 3.4 which requires that PVC

cables shall not run in direct contact with

polystyrene thermal insulation until such time

that an insulation resistance test discloses an

electrical fault in cables in direct contact with

polystyrene thermal insulation.

11.11 Vessels manufactured prior to 16 June 1998

are not required to comply with Standard 3.7

which requires that all electrical devices fitted in

any compartment containing petrol or gas shall

be ignition protected in accordance with BS EN

28846 where it is not practicable to comply.

The exemption will be rescinded at some future

date by amendment.

11.12 Vessels manufactured prior to 16 June 1998

and complying with the navigation authority's

previous requirements for fire extinguishers are

not required to comply with that part of Standard

6.1 which prescribes a minimum fire rating for

each extinguisher and a minimum combined fire

rating until such time as the existing

extinguishers are life expired or discharged.

11.13 Vessels manufactured prior to 16 June 1998

and carrying a fire blanket in good condition are

not required to comply with that part of

Standard 6.3 which prescribes that fire blankets

shall comply with at least the 'light duty'

requirements of BS 6575. This exemption will

be rescinded on 16 June 2000 or the first Boat

Safety Certificate examination after this date.

11.14 Vessels manufactured prior to 16 June 1998

are not required to comply with that part of

Standard 6.4 which requires exposed GRP

structure to be coated with suitable fire

retardant material complying with the Class 2

requirements of BS 476: Part 7 until such time

as visual inspection of the exposed GRP

structure shows deterioration.

11.15 Vessels manufactured prior to 16 June 1998

are not required to comply with the

requirements Standard 6.5.

11.16 Vessels manufactured prior to 16 June 1998

are not required to comply with the

requirements Standard 6.6.

11.17 Vessels manufactured prior to 16 June 1998

are not required to comply with the

requirements Standard 6.7 where it is not

practicable to modify the structure to provide

two means of escape.

11.18 Apart from hire cruisers licensed with the

Broads Authority, vessels manufactured prior to

3 January 2000 are not required to comply with

that part of Standard 7.2(ii) which requires

cylinder lockers to be ventilated from outside

the vessel to a point above the level of the

cylinders.

11.19 Vessels manufactured prior to 3 January 2000

and having a cylinder locker drain as near as

practicable to the bottom of the cylinder locker

are not required to comply with that part of

Standard 7.2(ii) which requires the drain to be

provided from the lowest point of the cylinder

locker.

11.20 Vessels manufactured prior to 16 June 1998

are not required to comply with that part of

Standard 9.1 which requires that sanitation

systems shall comply with the requirements of

BS MA 101.

11.21 Vessels manufactured prior to 16 June 1998

are not required to comply with the

requirements of Standard 10.6 which requires

safety glass to BS 952 Part 1 or suitable

acrylic or polycarbonate material to be fitted

providing that all existing vessels with non

safety glass are protected by the use of

suitable stick on film by 16 June 2000 or the

first Boat Safety Certificate examination after

this date.

11.22 Vessels manufactured prior to 3 January 2000

and having an LPG drain with a minimum

internal diameter of 12mm for a cylinder of up

to 15kg capacity and which is enlarged

proportionally for additional LPG storage, are

not required to comply with that part of

Standard 7.5 which requires the drain to have

an internal diameter of at least 19mm (3/4ins).

11.23 Vessels manufactured prior to 3 January 2000

that were designed and constructed with a

cylinder locker within the hull of the vessel, but

outside engine, fuel or battery spaces, are not

required to comply with:

i) that part of Standard 7.6 which requires

that the opening into a cylinder locker shall

not be sited in an accommodation space

provided the cylinder locker is located in a

low risk position; and

ii) that part of Standard 7.9 which requires the

main shut-off valve to be fitted outside the

accommodation space.

11.24 Vessels manufactured prior to 3 January 2000

are not required to comply with the

requirements of Standard 7.20 unless the

appliance is connected with flexible hose.

11.25 Vessels manufactured prior to 3 January 2000

and having non-room sealed appliances are not

required to comply with that part of Standard

8.2 which requires LPG appliances, with the

exception of cooking appliances, to be room

sealed provided the following requirements are

complied with:

i) Replacements for existing non-room sealed

appliances, with the exception of cooking

appliances, shall be room sealed and

installed in accordance with BS 5482-3

and Parts 7 and 8 of these Standards as

appropriate.

ii) Modifications or additions to an existing

installation shall be performed in

accordance with the appliance

manufacturer's recommendations.

iii) Pilot lights and burners on LPG or paraffin

refrigerators installed in vessels with a

petrol engine shall be completely enclosed.

Combustion air and combustion products

shall be drawn and exhausted through a

suitable flame trap, or combustion air piped

to the appliance from outside the vessel or

from a point inside the vessel above the

level of the windows, other openings, or

other means of ventilation in the

accommodation space.

iv) Catalytic type appliances shall conform to

BS 5258-11 or BS EN 449.

v) The flues and draught diverters of existing

appliances shall be of a type approved by

the manufacturer, and properly fitted and

maintained. Flues shall be of suitable

material, effectively insulated, and of

appropriate internal diameter to ensure safe

transfer of gases to outside the vessel,

away from areas that could be enclosed by

canopies. Appliances designed for use

exclusively with a flue, or draught diverter

and flue, shall have one fitted. Only the flue

supplied or recommended by the

manufacturer shall be used with

refrigerators flued to the outside

(Note 1: Information regarding the test

employed to check the effectiveness of any

flue is contained within BS 5482-3 and the

Boat Safety Scheme Manual).

11.26 Vessels manufactured prior to 3 January 2000

are not required to comply with that part of

Standard 8.2 which requires LPG appliances to

include a test fitting.

11.27 Vessels manufactured prior to 3 January 2000

and having woodwork and all other combustible

materials including curtains adjacent to all

appliances suitably insulated and protected

against excessive heat or inherently flame

retardant, or treated with a durable flame

retardant are not required to comply with that

part of Standard 8.3 which requires appliances

to be situated in sufficient space, as instructed

by the manufacturer, to prevent overheating of

nearby surfaces.

11.28 Vessels manufactured prior to 3 January 2000

and having woodwork and all other combustible

materials including curtains adjacent to all

appliances suitably insulated and protected

against excessive heat or inherently flame

retardant, or treated with a durable flame

retardant are not required to comply with the

distance measurements applied to combustible

materials and materials without a class 1

surface spread of flame rating, or the distance

measurements applied to curtains and other

suspended textile materials, in Standard 8.4.

11.29 Vessels manufactured prior to 3 January 2000

are not required to comply with Standard 8.5

which requires a flame supervision device to be

fitted to all appliance burners provided that

such devices are fitted to all:

- catalytic type appliances

- appliances with a pilot light

- appliances with a continuously burning flame


appendix f - standards (part 10 - hire boats & safety features)
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