Class 1 (Chief Engineer) Engineering Management 📅 Nov 2021

Exam Question

Regarding Ballast Water Management Convention explain (a) Ballast Water Exchange Standard

(b) Ballast Water Performance standard

(d) Approval methods for treatment system using active and non-active substances

(e) What are the marine pollution problems related to port development such as ballast water, dredging and spils from ships

Reference Answer

### (a) Ballast Water Exchange Standard (Regulation D-1)
The Ballast Water Exchange Standard (D-1) is a method for ballast water management that involves replacing the water taken on in a port or coastal area with open ocean water. The primary objective is to discharge potentially harmful coastal organisms into an environment where they are unlikely to survive and replace them with oceanic organisms that are less likely to thrive in the next port's coastal environment.
**Requirements:**
1. **Volumetric Efficiency:** The standard requires a minimum of **95% volumetric exchange** of the ballast water in the tank.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play