Exam Question
With reference to the pump room of an oil tanker describe the following with particular emphasis on safety aspects:
(a) Ventilation system, (5)
(b) Procedure to be followed for pump room entry. (6)
(c) Lighting system. (5)
Class 4 (4th Engineer)
SC&S
📅 Oct 2022
Reference Answer
### (a) Pump Room Ventilation System (5 Marks)
The ventilation system is the primary safety barrier against the formation of an explosive or toxic atmosphere in a cargo pump room. Its design and operation are strictly governed by SOLAS and Classification Society rules.
**1. Regulatory Requirements & Design Philosophy:**
* **Type:** The system must be a **mechanical suction (exhaust) type**. This creates a negative pressure within the pump room relative to adjacent safe spaces (like the engine room), ensuring that any flammable or toxic vapours are contained and do not migrate.
The ventilation system is the primary safety barrier against the formation of an explosive or toxic atmosphere in a cargo pump room. Its design and operation are strictly governed by SOLAS and Classification Society rules.
**1. Regulatory Requirements & Design Philosophy:**
* **Type:** The system must be a **mechanical suction (exhaust) type**. This creates a negative pressure within the pump room relative to adjacent safe spaces (like the engine room), ensuring that any flammable or toxic vapours are contained and do not migrate.
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