Iranian Classification Society Rules

< Previous | Contents | Next >

3. The fire detection main indicator board is to be at a manned control station and is to be clearly to indicate where fire has been detected.

image


Table 10.3 Numbers and distribution of additional portable extinguishers on units



Type of spaces


Minimum number of extinguishers(1)

Class(es) of extinguisher(s)


Space containing the controls for the main source of electrical power

1 (1 additional extinguisher suitable for electrical fires when main switchboards are arranged in the space)


A and/or C

Cranes with electric motors or hydraulics

0


Cranes with internal combustion engine

2

(1 in cab and 1 at exterior of engine compartment )


B


Drill floor

2

(1 at each exit)


C

Helidecks

In accordance with 402.

B

Machinery spaces of category A

In accordance with 303.

B

Machinery spaces of category A which are periodically unattended


At each entrance in accordance with 303.


B

Main switchboards

2 in the vicinity

C


Mud pits, Mud processing areas

1 for each enclosed space

(Travel distance to an extinguisher not to exceed 10m for open space)


B

Notes :

(1) Minimum size is to be in accordance with paragraph 3.1.1 of Chapter 4 of the FSS Code.

(2) A portable extinguisher provided for that space may be located outside near the entrance to that space. A port- able fire extinguisher placed outside near the entrance to that space may also be considered as satisfying the provisions for the space in which it is located.


4. An automatic fire detection and alarm system are to be provided in all accommodation and service spaces. Accommodation space is to be fitted with smoke detectors. Thermal detectors are to be fitted in galleys.


5. A fixed fire detection and fire alarm system shall be installed in:

(1) periodically unattended machinery spaces;

(2) machinery spaces where:

(A) machinery spaces where the installation of automatic and remote control systems and equip- ment has been approved in lieu of continuous manning of the space; and

(B) machinery spaces where the main propulsion and associated machinery including sources of

main source of electrical power are provided with various degrees of automatic or remote control and are under continuous manned supervision from a control room. and

(3) enclosed separate spaces containing incinerators