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Rehs > Pools > Flashcards

Pools Flashcards

1
Q

Pool size that does not have to follow construction standards

A

20,000 square ft

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2
Q

Trainings for life guard

A

1st aid and CPR

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3
Q

Indoor pool ventilation formula

A

Outdoor air flow = 0.48 x Az = _____ cubic ft/meter

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4
Q

Az

A

The net occupiable floor of the zone in square ft, surface area plus 6 ft around pool

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5
Q

Size of hose attached to hose bib

A

75 ft

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6
Q

How to protect a hose

A

Use back flow prevention

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7
Q

Hot water limit for showers

A

110 F

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8
Q

Pool temperature max and min

A

No min - 104 F

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9
Q

Cyanuric acid

A

Stabilizer/conditioner, slows down chlorine decay, excessive levels interfere with effectiveness of chlorine

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10
Q

How to dilute cyanotic acid

A

Dilute water

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11
Q

Cyanotic acid taste

A

Salty

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12
Q

Pool operation records

A

Done every 2 years

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13
Q

Steps for fecal, vomit, blood, near drowning in pool

A

Immediately close pool, remove contaminated water, ensure pH of 7.5 or lower and maintain pool temperature at 77 F or higher

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14
Q

Types of pool chlorine

A

Sodium hypochlorite, calcium hypochlorite, Litium hypochlorite

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15
Q

Consistency of sodium hypochlorite

A

Liquid

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16
Q

Consistency of calcium hypochlorite

A

Granular

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17
Q

Consistency of lithium hypochlorite

A

Granular

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18
Q

pH changes waters pH

A

True

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19
Q

Other types of sanitizers

A

Bromine, ozone, hydrogen peroxide, ultra-violet light ionization (salt water pools)

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20
Q

Main drain not visible

A

Close pool

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21
Q

pH below 7.2 characteristics

A

Corrosion, etching of plaster, eye and skin irritation, increase in chlorine

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22
Q

pH above 7.8 characteristics

A

Scale formation, cloudy water, staining of plaster, eye and skin irritation, drop chlorine efficiency

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23
Q

Auto fills

A

Automatic make up water flow, controls with manual override provided to maintain a proper pool

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24
Q

Turnover time

A

Pool volume going through circulation

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25
Q

Turnover rate for pool and spa

A

Pool: 6 hr
Spa: 30 min

26
Q

Flow meter

A

Measures how much gallons of water per min

27
Q

Pool capacity formula

A

length x width/20

28
Q

Spa capacity formula

A

Length x width/10

29
Q

Round spa capacity

A

Pir^2/10

30
Q

Wadding pools formula

A

They are exempt

31
Q

Volume of pools in gal

A

Surface area x average depth x 7.5 = gal

32
Q

Flow rate

A

Measured in gallons/min (GPM)

33
Q

Main drain

A

Found in the lowest part of the pool

34
Q

Virginia Graeme Baker Act (AB1020)

A

Promotes the safe use of pools, spas and hot tubs by imposing mandatory federal requirements for suction entrapment avoidance

35
Q

Skimmer

A

Skim leafs and debris from surface

36
Q

Amount of skimmers

A

1 per 500 square feet of pool surface area

37
Q

Impeller

A

Moves water through the pump and into the system

38
Q

Filter

A

Remove every small particle from the water, particulate matter adheres to the filter media

39
Q

Common types of filters

A

Sand, diatomaceous earth, cartridge

40
Q

Order of filter effectiveness

A

DE: 4 microns = best
Sand: 25 microns
Cartridge: 15 microns = worst

41
Q

Sight glass

A

Should be installed between separation tank and filter

42
Q

Cartridge

A

Approved wash down area and pool equipment area, back wash not needed, gets disassembled, washed and reassembled

43
Q

Chlorinator

A

Has to supply no less than 3lbs of chlorine per 10,000 gal of pool water per day

44
Q

Flow rate accuracy

A

Needs to be within 10% of actual flow rate

45
Q

Influent pressure/ vacuum gauges

A

Lets you know if you need to backwash, should be marked with a start and clean pressure reading

46
Q

Valve location

A

Next to skimmer

47
Q

Piping label

A

Label which directions and which pipes are for what

48
Q

Safety signs

A

Letters must be no less than 4 inches, show pool capacity, no diving signs for pools less than 4 ft, emergency phone numbers, caution sign (1 in for spas) shut off sign, keep gate closed, diarrhea sign

49
Q

Diarrhea sign

A

14 days, no pool

50
Q

Spray ground/splash pads sign

A

Recirculating water

51
Q

Safety equipment: life ring

A

Must be 3/16ths of an inch thick, 17 inches in diameter, rope has to be length of pool

52
Q

Pool body hook

A

Must be permanently attached to a rescue pole at 12 feet

53
Q

Pool gates

A

Pool should be closed with a gate of at least 5 feet with a self close gate

54
Q

Fence/gate gap

A

No more than 4 inches, should not be climbable

55
Q

Pool deck

A

4 ft wide around the pool completely unobstructed

56
Q

Pool color

A

White

57
Q

Ground fault circuit interpreters (GFCI)

A

Will sense problems with light and shut it off

58
Q

Shallow limited height

A

Cannot be deeper than 3 1/2 feet

59
Q

Tiles

A

Non-slip and tells the deepness

60
Q

Can pool and spa share systems?

A

No

Rehs (14 decks)

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