RESEARCH ASSESSMENT TASK

Using the internet - AMSA website or other sites identify the following and provide your answers and where you obtained the information:

1. What Standards for hull and superstructure should apply to a 10 m 1E steel vessel built in 1995?

2. A builder is planning to build a new 1C passenger vessel of about 30 m in length. He has asked you to find out if the wheelhouse area can be combined with the upper deck seating area for passengers. Quote the relevant Standard and clause and respond to the builder.

3. An operator of a 30 m passenger ferry has asked you a question- 'Can wheelhouse forward windows be tinted to protect the master's eyes from the harsh sunlight?' Quote the relevant Standard and clause in your response to the operator.

4. An operator wants to replace the guard rails of his 20 metre 4E pontoon type houseboat and wants you to check if the new guardrail design would pass the requirements. He wants to reduce the total height of the rails to 900 mm, and have vertical intermediate rails with a maximum gap of 200 mm. Quote the relevant Standard and clause in your response to the operator

5. An operator wants to replace a defective seacock for the fish tank of his 15 m fishing boat with a plastic one and has asked you about the change. Quote the relevant Standard and clause in your response.

6. An operator is planning to replace damaged planks of main deck during rainy weather. What do you suggest? Give reasons.

7. A timber vessel with iron fasteners has been having leakages at the chine area over the last two years. The owner proposes to fit copper sheathing in the problem areas. What do you suggest and why?

8. You have identified a heavily pitted area in a steel hull of a vessel on slip. The repairer suggests welding a doubler piece on the outside. What do you say?

9. An operator asks you to advise whether high strength Aluminium 2024 patch can replace a pitted section of his boat's hull, originally built out of Aluminium 5083.

10. Quote the standard and give your response.

11. An operator is planning for osmosis repairs of his GRP boat's hull. He asks you about the allowed limits for temperature and relative humidity in the

work area. What is your response? Give reasons for your response

12. The sea chest of a steel hulled vessel is found to be corroded up to about

50% of the plate thickness. The owner wants to leave it the way it is until the next docking or replace it with a stainless steel sea chest. What do you suggest and why?