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English Instructor Manual (PDF) - Metric Version - National ...

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Chapter 1 – Feature Types & Unique Considerations<br />

Handbook: Pages 1-16<br />

Suggested Time:<br />

PowerPoint Slides:<br />

Materials:<br />

40 minutes<br />

APF Chapter 1 Slides<br />

Principles of Wave Pool Generation<br />

(Appendix 2 from Aquatic Play Feature Handbook)<br />

Objectives: At the end of this chapter the student will be able to:<br />

1. Defi ne what is meant by aquatic play features<br />

2. Describe the various types of aquatic play features<br />

3. List the various types of risk to injury that could be associated with each type of play<br />

feature<br />

4. Explain the illnesses that are associated with the various aquatic attractions<br />

5. Explain the difference between aquatic play features and the traditional swimming<br />

pool<br />

Leading Questions:<br />

What are the characteristics of aquatic play features?<br />

Why are aquatic play features so popular?<br />

What is the greatest danger associated with APFs?<br />

What is ASTM standard F2376-06?<br />

Key Points: Causes for facility closure (p. 2). Include information relative to:<br />

Low free chlorine levels (ideal level 2-4 mg/L)<br />

Low or high pH levels<br />

Circulation system not operating<br />

Turnover rate not in recommended range<br />

Main drain cover problems<br />

Not complying with ANSI A112.19.8<br />

Water temperature too high (greater than 40°C)<br />

Gate latching problems<br />

Key Points: Wave/Surf Pools (pp 6-8). Include information relative to:<br />

General characteristics<br />

Purpose<br />

Size<br />

Number of gallons of water<br />

Water depth<br />

Wave generation (direct attention to Appendix 2)<br />

Factor that infl uence water clarity and disinfection<br />

Effects of sunlight<br />

Shallow water and uv exposure<br />

Water surface area<br />

© 2014 <strong>National</strong> Swimming Pool Foundation® Page 109

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