Primary job of pool operator - ANSWER:Ensure compliance with local code and laws
Provide safe ad clean environment for guests
Make sure equipment is properly working
RWI stands for - ANSWER:Recreational Water illness
How are recreational water illnesses spread - ANSWER:Swallowing water
Breathing in mists
Coming in contact with contaminated water
Recreational Water Illness - ANSWER:illness caused by microorganisms and chloramines in water
common illness caused by chloramines - ANSWER:Breathing disorder called swimmers asthma
examples of microorganisms that can make you sick in pools - ANSWER:Pseudomonas aeruginosa
E.coli
Staph
Crypto
interior walls of pool - ANSWER:pool plaster or white coat
what do pool pumps do? - ANSWER:They poll water form the pool main drains and skimmers
pool main drain - ANSWER:point of strongest suction in the pool
Reasons to close pool immediately - ANSWER:Main drain cover is broken or missing
Main drain is not visible due to cloudy water
pool telephone not working
Skimmers - ANSWER:water from surface passes through skimmers and debris get trapped in skimmer
basket
Skimmer Weir - ANSWER:prevents floating debris from reentering the pool
where does water go after going through the pump? - ANSWER:filter
where does water go after the filter? - ANSWER:heater
where does water go after heater? - ANSWER:flow meter
where does water go after going through flow meter? - ANSWER:back to the pool through the return
lines
, Flow of pool water steps - ANSWER:1.main drains and skimmers/skimmer basket
2.pipes and strainer basket
3. pump
4.filter
5.heater
6.flow meter
7. back to pool through return lines
what does it mean if bubbles are coming from return line? - ANSWER:Air is coming form somewhere.
Check the skimmer strainer basket lid and gasket
Flow meter - ANSWER:measures the amount of water passing through pipes
Flow meter measurement unit - ANSWER:Gallons per minutes GPM
what does it mean if flow meter is showing lower flow than is should? - ANSWER:Usually means the filter
needs to be cleaned or there is too much debris in the strainer basket or skimmer basket
3 Types of Filters - ANSWER:1. Sand Filter
2. Cartridge Filter
3. D.E. Filter
Filtration - ANSWER:the physical process of removing suspended particles form pool water
how to clean cartridge filter - ANSWER:soak cartridge in degreaser and hose off
how to clean a sand filter - ANSWER:backwash
Backwash - ANSWER:the process of reverse flow of water through the sand filter to remove accumulated
particles
when to backwash - ANSWER:when sand filter pressure gauge is higher than usual (spa 8-10 or higher)
when can you stop backwashing - ANSWER:when water in sight glass appears to be clear
how often should in a sand filter be replaced - ANSWER:every 3-5 years
Channeling - ANSWER:a damaging condition that occurs over time in sand filters. When sand becomes
hard, water goes around sand and unfiltered water returns to the pool
most efficient type of filter and why - ANSWER:D.E. filter because it can trap particles up to 3-5 microns
what happens when dirt accumulates in a filter? - ANSWER:the amount of water that can pass through
the filter decreases
Labels and Postings - ANSWER:Valves and pumps in the pump room must be labeled and operating
instructions must be posted.