56
TABLE 1-Contd.
57
TABLE 11-Conid.
3
Category
F
Spacc
Rooms in 'tween decks (includ-, ing shelter 'tween decks) of steamships-
(0) Rooms clear of machinery
casing
Fresh air changes per hour
Volume of Cresh air, in cu. ft, per minute. for each person likely to use the room at any one time
12
50
-,, ་
15
60
(2) Rooms abreast of, but not! adjoining machinery casing. (3) Rooms immediately above! machinery casine or abreast of and adjoining machinery casing (other than mess rooms, smok- Ing rooms and recreation. rooms)
(4) Mess
18
60
DOOITIS, smoking rooms and recreation rooms (in each case ad- joining machinery casing).
20
Note:
+ 30
* Whatever the number of persons likely to use the room at any o
time, the total volume of fresh air per minute shall not be required to be such as would result in more than 20 fresh air changes per hour.
↑ Whatever the number of persons likely to use the room at any pot time, the total volume of fresh air per minute shall not be required to be such as would result in more than 25 fresh air changes per hour.
Category
2
Space
Dry provision store room
3
Fresh air changes per hour
Supply
Exhaust
¡Not less than
10 and not more than 20
• 15, if at least two sides of the galley are exposed to the weather.
↑ The Director may exempt any ship from these requirements to the extent that be is satisfied that compliance therewith is unnecessary by reason of the insulation of the equipment in the galley, or by reason of the size of the galley.
# Subject to the provisions of regulation 30(4).
A. ELECTRIC FANS,
F. Where required under regulation (314) or 32(10) electric fans are to be thed in all sleeping and public rooms, studies, offices, galleys, pantries and hospitals.
1. The fans are to conform to the standard laid down in British Standard Specifications 367 and 380 and are to comply with the following requirements~-~~-~- The air displacement in site is to comply with the requirements of Tables I and II in this Schedule and the performance of the type is to be certified by a testing authority recognized by the Director.
[6] The fans are to be quiet in operation when mounted in place and are not to be audible in rooms adjacent to that in which they are fitted.
(c) Fans are to be fixed in position on "semi-rigid” mountings such that the direction of air flow can be adjusted by the user and in all rooms, except sloping roures for less than four men, an automatic oscillating mechanism is required.
(d) At least two running speeds are to be provided for in each fan,
(e) The mountings, blades and guards are to be made of rust-proof material, Suppressers are to be fitted as necessary to prevent interference with the ship's radar, compasses or other electronic instruments.
TABLE II.
1
2
3
+
Category
Space
G
Galleys
Fresh air changes per bour Supply
Exhaud
† 20
+ 40
H
Sanitary accommodation, dry- ¦ing rooms and pantries
J Wards in permanent hospitals.
10
12
number as would
or such greater
result in the
supply of not less than 50 cu. ft. of fresh air per minute for each bed in the rooth
SECOND SCHEDULE.
Deck Sheathingy.
[regs. 8(2) and 904).1
The material referred to in paragraph (2) of regulation 8 and para- saph (4) of regulation 9 of these regulations (in this Schedule referred to as The material") shall comply with the following requirements—
(Foothold. The material, whether wet or dry, shall provide a good
foothold.
16) Thermal Insulation,
(i) If the material covers a deck exposed to the weather, it shall provide thermal insulation not less than that provided by a wooden deck 24 inches thick.
If the material covers any other deck, it shall provide a warm and comfortable surface,
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