Environmental Water Engineering

Aim: To introduce the learner to water and wastewater treatment. Learners will develop an understanding of

legislations governing water and wastewater

how to identify the nature of sewage and sewerage systems

water treatment

the principles of wastewater treatment

potential Health and Safety risks

Learning outcome

1. understand legislation governing water and wastewater

1.1 describe the purpose of legislation regarding drinking water

1.2 describe the purpose of legislation regarding wastewater

1.3 describe EU directives with specific regards to water

1.4 describe Health and Safety regulations related to water and wastewater.

2. know how to identify the nature of sewage and sewerage systems

2.1 describe the characteristics of sewage

2.2 compare sewerage systems

2.3 describe the risks involved when working with sewage and sewerage systems.

3. be able to identify sewage and sewerage systems

3.1 determine sewage flows

3.2 select appropriate sewer size taking into account relevant factors.

4. understand water treatment

4.1 explain water characteristics

4.2 explain water treatment systems

4.3 describe the steps taken to treat water

4.4 explain the factors to consider when designing sedimentation tanks

4.5 describe appropriate disinfectants to ensure water is safe for consumption

4.6 describe characteristics and criteria for choosing disinfectants for drinking water

4.7 describe the types of wastes resulting from water treatment

4.8 describe the potential Health and Safety risks when working in a water treatment site.

5. understand the principles of wastewater treatment

5.1 explain the processes used in wastewater treatment dependant on quantity and quality

5.2 describe the sources of sludge

5.3 describe the process for treating sludge

5.4 describe sludge disposal routes

5.5 describe the potential Health and Safety risks when working in a wastewater treatment site.