TABLE 4 MAXIMUM RADIUS COVING OR POOL INTRUSION DIMENSIONS BETWEEN POOL FLOOR AND WALL* | ||||||||
Pool Depth | 2'0" | 2'6" | 3'0" | 3'6" | 4'0" | 4'6" | 5'0" | >5'0" |
Minimum Slide Wall | ||||||||
Vertical Depth | 1'6" | 1'10" | 2'2" | 2'6" | 2'10" | 3'2" | 3'6" | >3'6" |
Maximum Radius | ||||||||
of Curvature | 6" | 8" | 10" | 12" | 1'2" | 1'4" | 1'6" | **Maxi-mum radius equals pool depth minus the vertical wall depth |
Note: | * For pool depths which fall between the depths listed, values can be interpolated. |
** Radius of coving cannot intrude into pool within diving envelope or deep water entry area for attractions entering above pool water level. |
Note: |
* | This requirement is based on a standard described in CNCA publication "Swimming Pools: a Guide to their Planning, Design, and Operation" 1987. Fourth edition. Human Kinetics Publisher, Inc., Champaign, Illinois. Figure 8.1 |
FIGURE 1:
Minimum dimensions for pools with provision for diving from deck level or providing boards or platforms at a height less than one-half meter.
Dimension | Minimum | Preferred or Maximum | |
A | Height of board above water | 20 in. | |
B | Board overhang | 2 ft 6in. | 3 ft |
C | Depth of water at plummet | 9 ft | 10 ft* |
D | Distance from plummet to start of upslope | 16 ft | 18 ft* |
E | Inclination of upslope of bottom | 1:3 | |
F | Depth of water at breakpoint | 4 ft 6 in. | |
G | Slope of bottom in shallow portion of pool | 1:12 | 1:15* |
H | Length of shallow section of pool | 8 ft | 14 ft* |
I | Distance to any overhead structure | 13 ft | 15 ft* |
K | Board length | 12 ft | |
L | Length of pool | 40 ft | 50 ft* |
M | Dimension not less than C minus | 6 in. |
Note: | * Values with asterisks are not to be considered as maximums. |
** Warning stripe at break point may be of any contrasting color. |
Note: |
** | This requirement is based on a standard described in FINA publication "FINA Handbook - 1986-1988." Constitution and rules governing swimming, diving, water polo, and synchronized swimming, 1986-1988. Edited by E. Allen Harvey, Vancouver, Canada VGN 3R6, Section D, pp. 114-115. |
FIGURE 2:
Minimum dimensions for pools with boards or platforms at a height of one-half meter or more.
Dimensions | SPRINGBOARD | PLATFORM | ||||||||||||||
FINA | are in Metres | 1 Metre | 3 Metres | 1 Metres | 3 Metres | 5 Metres | 7.5 Metres | 10 Metres | ||||||||
DIMENSIONS FOR | LENGTH | 4.80 | 4.80 | 4.50 | 5.00 | 6.00 | 6.00 | 6.00 | ||||||||
DIVING FACILITIES | WIDTH | 0.50 | 0.50 | 0.60 | 1.50 | 1.50 | 1.50 | 2.00 | ||||||||
Revised to 1st Jan 1987 | HEIGHT | 1.00 | 3.00 | 0.60-1.00 | 2.60-3.00 | 5.00 | 7.50 | 10.00 | ||||||||
HORIZ | VERT | HORIZ | VERT | HORIZ | VERT | HORIZ | VERT | HORIZ | VERT | HORIZ | VERT | HORIZ | VERT | |||
A | From plummet BACK TO POOL WALL | DESIGNATION | A-1 | A-3 | A-1P1 | A-3P1 | A-5 | A-7.5 | A.10 | |||||||
MINIMUM | 1.80 | 1.80 | 0.75 | 1.25 | 1.25 | 1.50 | 1.50 | |||||||||
A/A | From plummet BACK TO PLATFORM Plummet directly below | DESIGNATION | AA5/1 | AA7.5/3/1 | AA10/5/3/1 | |||||||||||
MINIMUM | 1.50 | 1.50 | 1.50 | |||||||||||||
B | From plummet to POOL WALL AT SIDE | DESIGNATION | B-1 | B-3 | B-1p1 | B-3p1 | B-5 | B-7.5 | B-10 | |||||||
MINIMUM | 2.50 | 3.50 | 2.30 | 2.90 | 4.25 | 4.50 | 5.25 | |||||||||
C | From plummet to ADJACENT PLUMMET | DESIGNATION | C-1/1 | C-3/3/1 | C-1/1p1 | C-3/1P1/3p1 | C-5/3/1 | C-7.5/5/3/1 | C-10/7.5/5/3. | |||||||
MINIMUM | 2.40 | 2.60 | 1.65 | 2.10 | 2.50 | 2.50 | 2.75 | |||||||||
D | From plummet to POOL WALL AHEAD | DESIGNATION | D-1 | D-3 | D-1p1 | D-3p1 | D-5 | D-7.5 | D-10 | |||||||
MINIMUM | 9.00 | 10.25 | 8.00 | 9.50 | 10.25 | 11.00 | 13.50 | |||||||||
E | On plummet, from BOARD TO CEILING | DESIGNATION | E-1 | E-3 | E-1p1 | E-3p1 | E-5 | E-7.5 | E-10 | |||||||
MINIMUM | 5.00 | 5.00 | 3.50 | 3.50 | 3.50 | 3.50 | 5.00 | |||||||||
F | CLEAR OVERHEAD behind and each side of plummet | DESIGNATION | F-1 | E-1 | F-3 | E-3 | F-1p1 | E-1p1 | F-3p1 | E-3p1 | F-5 | E-5 | F-7.5 | E-7.5 | F-10 | E-10 |
MINIMUM | 2.50 | 5.00 | 2.50 | 5.00 | 2.75 | 3.50 | 2.75 | 3.50 | 2.75 | 3.50 | 2.75 | 3.50 | 2.75 | 5.00 | ||
G | CLEAR OVERHEAD ahead of plummet | DESIGNATION | C-1 | E-1 | C-3 | E-3 | G-1p1 | E-1p1 | G-3p1 | E-3p1 | G-5 | E-5 | G-7.5 | E-7.5 | G-10 | E-10 |
MINIMUM | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.50 | 5.00 | 3.50 | 5.00 | 3.50 | 5.00 | 3.50 | 6.00 | 5.00 | ||
H | DEPTH OF WATER at plummet | DESIGNATION | H-1 | H-3 | H-1p1 | H-3p1 | H-5 | H-7.5 | H-10 | |||||||
MINIMUM | 3.50 | 3.80 | 3.30 | 3.60 | 3.80 | 4.50 | 5.00 | |||||||||
J | DISTANCE AND DEPTH | DESIGNATION | J-1 | K-1 | J-3 | K-3 | J-1p1 | K-1p1 | J-3p1 | K-3p1 | J-5 | K-5 | J-7.5 | K-7.5 | J-10 | K-10 |
K | ahead of plummet | MINIMUM | 5.00 | 3.40 | 6.00 | 3.70 | 5.00 | 3.20 | 6.00 | 3.50 | 6.00 | 3.70 | 8.00 | 4.40 | 11.00 | 4.75 |
L | DISTANCE AND DEPTH | DESIGNATION | L-1 | M-1 | L-3 | M-3 | L-1p1 | M-1p1 | L-3p1 | M-3p1 | L-5 | M-5 | L-7.5 | M-7.5 | L-10 | M-10 |
M | each side of plummet | MINIMUM | 1.50 | 3.40 | 2.00 | 3.70 | 1.40 | 3.20 | 1.80 | 3.50 | 4.25 | 3.70 | 4.50 | 4.40 | 5.25 | 4.75 |
N | MAXIMUM SLOPE TO REDUCE DIMENSIONS beyond full requirements | POOL DEPTH CEILING HT | 30 degrees 30 degrees | NOTE Dimensions C (plummet to adjacent plummet) apply for Platform with widths as detailed. For wider Platforms increase C by half the additional width(s) |
FIGURE 3:
Main Drain Branch Line Piping Detail.
TABLE 5
MAIN DRAIN FLOW RATING REQUIREMENTS
Number of Main Drains Per Recirculation System | ||||
2 | 3 | 4 | 5 | |
Main drain rated flow capacity must be at least equal to the percent of maximum pump flow indicated, depending on the number of main drains. | 100% | 50% | 33.3% | 25% |
TABLE 6 FILTER TYPES AND ACCEPTABLE RATES | |||
Range of Acceptable Filter Rate Expressed in gpm/sq. ft. | |||
Type of Filter | Minimum | Maximum* | |
Sand | |||
Rapid & pressure | -- | 3 | |
Pressure high rate | 10 | 18 | |
Vacuum high rate | 10 | 18 | |
DE | Continuous feed | Manual feed | |
Vacuum | 0.8 | 1.0 | 2.0 |
Pressure | 1.0 | 1.35 | 2.0 |
Cartridge** | |||
Applied in | |||
temperature | |||
ranges: | |||
<95°F. | -- | 0.375 | |
>95°F. | -- | 0.188 |
Note: | * Filters sized at maximum application rate shall use flow control valves. |
** Cartridge filters shall have a nominal micron rating of twenty microns or less. |
TABLE 7 MINIMUM PLUMBING FIXTURE REQUIREMENTS BASED ON MAXIMUM PEAK PERIOD OCCUPANCY | ||||
Number of Fixtures Required Per Occupancy Load | ||||
Type of Fixture | Occupancy/Sex | Male | Female | |
1. | Toilets | First 600 | 1/200 | 1/100 |
Portion | ||||
exceeding 600 | 1/450 | 1/300 | ||
2. | Urinals | First 600 | 1/200 | - |
Portion | ||||
exceeding 600 | 1/450 | - | ||
3. | Showers | First 300 | 1/100 | 1/100 |
Portion | ||||
exceeding 300 | 1/200 | 1/200 | ||
4. | Sinks | First 400 | 1/200 | 1/200 |
Next 350 | 1/350 | 1/350 | ||
Portion | ||||
exceeding 750 | 1/500 | 1/500 | ||
5. | Hose bibs | 1 accessible to change rooms | ||
6. | Janitor sink | 1 within the RWCF |
Wash. Admin. Code § 246-262-060
Statutory Authority: RCW 70.90.120. 12-17-102, § 246-262-060, filed 8/17/12, effective 9/17/12; 10-20-131, § 246-262-060, filed 10/5/10, effective 11/5/10; 92-02-020 (Order 226B), § 246-262-060, filed 12/23/91, effective 1/23/92. Statutory Authority: RCW 43.20.050. 91-02-051 (Order 124B), recodified as § 246-262-060, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 70.90.120. 88-13-125 (Order 311), § 248-97-070, filed 6/22/88.