Professional Practice

Question 1

List the five main hazard topics for wastewater treatment plants.

Answer 1

Working environment

Physical

Biological

Mechanical

Chemical

Question 2

Lost the five main maintenance hazards in municipal water treatment.

Answer 2

Disturbing asbestos

Fall from heights

Falling of heavy items

Isolation and permits to work

Control of contractors

Question 3

List two dangers arising from work in confined spaces.

Answer 3

Poisonous gas or fumes

Lack of oxygen

Question 4

What should be assessed when working in confined spaces?

Answer 4

Task

Working environment

Working materials and tools

Suitability of carrying out tasks

Emergency rescue procedures

Question 5

What does the Confined Space Regulations 1997 include?

Answer 5

• If possible, avoid entry to confined space and work outside.
• If not possible, follow safe system of work.
• Adequate emergency system before carrying out work.

Question 6

What measures would be put into place when considering entry to sewage system?

Answer 6

Confined space

If preventable, work should be carried out outside.

If entry is necesssary, gas monitor and mask with air supply to prevent lack of oxygen. Follow a safe system of work. Ensure adequate emergency measures are in place before work is done.

Question 7

How can explosions be prevented in water treatment?

Answer 7

Install ventilation