Tuesday, November 10, 2009

Swimming Pools ( ) ( ) (Survival skill ) ( ( ) Swimming Pools ()

Concrete Fiber-glass Steel Reinforced Tank

Swimming Pool MEP Systems Pool Specialist Contractor Installation Architects Structure Engineers Coordinate Lighting SpecialistConsultants

I. Introduction

II. Water QualityIII. Codes, Rules & RegulationsIV. SafetyV. MEP Systems

VI. Other Pools & Fish PondsVII. Construction

VIII. Pool MaintenanceIX. Natatoriums - HVACX. References

Specialist Specialist Contractors Fittings Supply ( ) Supply Calculation Code / Regulation Requirements Technical Support

I. Introduction ( ) Chemical Treatment Continuous Filtrations Underwater Light Swimming Pools Public Pool Private Housing Public Pool Ladder MEPSystem

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MEP Systems Life Cycle Cost MEP Systems (Continuously)

II. Water QualityEnvironmental Health Quality () Water Quality

i. Physical Quality ( () ... )ii. Biological Quality ( )iii. Chemical Quality (Residual Chlorine, PH, other concentrations, etc.)

Water Filtration & Treatment Systems

() Fixtures Fittings Corrosion

Treatment Continuously () dead skins ( .... ! Public Pools Lockers, Showers & Toilets Facilities Shower Bladder Drainage Shower () )

() Water Treatment System Circulate Pumps Circulation Turnover MEPSection Turnover Private Pools () Wadding Pools - ( Code Requirements ) Residual Chlorine ( ) Treatment System Lint Catcher Filter (Sand Filter, DE Filter, Cartridge Filters, etc.) Skimmer ( Filtration Systems Fitting ) Scum gutters( Balancing Tank (Surge Tank) - , 189 m ) Treatment System One Side Opposite Side Treatment Inlet

Engineering ExamsUSA: EIT and FE Exam

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HVAC: Duct Sizing with VBASwimming Pools ( )

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Water Quality Health & Safety

III. Codes, Rules & RegulationsEnvironment, Health and Safety ( ) Public Pool Code Public Pool Operate Water Quality report Regulation water quality Technology Regulation Safety Pool Water Depth 1.2m (4.0 ft) Pool Life Guard Specialist Contractor SwimmingPool Specialist Licensing Process / Exam / Registeration State of California Energy Conservation Energy Efficiency Regulation California State Energy Commission WebLinks Code Fulton County Codes[ http://waterworldinc.net/CodeSection/FultonCountyFiles/FultonCountyCodes.htm ]

IV. Safety1.

( ) ( ) Lifeguardon duty ( ) (Outdoor) Public Pool Lifeguard Notice First Aids Kits WaterQuality Kits Private Pool Pump Suction Pool Pump Spa Pool

2. Water Treatment System Water Quality

a. b. c. Residual Chlorine ( ) () Water treatment

Water Quality Monitor

V. MEP SystemsA. System Components

Swimming Pool MEP System Components 1. Circulation Pumps

2. Water Filters (Sand, D.E, Cartridge, etc.)3. Water Treatments Systems4. Water Balancing (Gutters + Balancing/Surge Tank System (or) Skimmers Systems)5. Water Supply Make-up and Overflow Fittings6. Pipe & Fittings (Water Inlet Nozzles, Pipings, Valves, Strainers, Main Drains, Channel

Grating, Skimmers, Vacuum Inlet, etc.)7. Back Wash Holding Tank (or) Backwash Absorption Pits8. Underwater Lights (Low Voltage)9. Pool Heaters

10. Electrical Control Panel

Swimming Pool Schematics

RefNo

Description RefNo

Description

1 Circulation Pumps 9Balancing Tank(Surge Tank)

2 Sand Filter 10 Pump Suction

3 PH Adjuster 11 Main Drain Sump

4 Chlorinator 12 Vacuum Point

5 Floor Inlet Nozzles 13 Make-Up Water

6 Swimming Pool 14 Over-Flow

7 Scum Gutter 15 Back-Wash Tank

8 Strainer Busket 16 Drain Sump

1. Circulation Pumps Water Treatment Pumps Water Treatment System (pressure head loss) Turn Over Rate Pool Turnover Rate Pool Water Volume Pump Flow rate Pump Flowrate= ( Pool Water Volume / Turn over period ) + Safety Factor(say 20%) Unit Pump Head Filter Pressure Loss

2. Water Filters (Sand, D.E, Cartridge, etc.)

i. Cartridge Filterii. Sand Filteriii. DE (Diatomaceous Earth) Filter

Pool / Water Featurs cartridge filter

Sand Filter DE Filter DE (Diatomaceous Earth) Filter Sand Filter DE Maintenance maintenance Filter Back wash Sand Filter DE () DE makeup DE Cancer DE Backwash DE EnvironmentControl Capacity Sand Filter weblinks supplier website Sand Filter DE Filter

Sand Filter

Ref No Description Qty. Req'd.

1 Multiport Valve 1

2 Pressure Gauge 1

3 Valve/Tank O-Ring 1

4 Flange Clamp (Valve-Tank) 1

5 Sand Shield 1

6 Lateral Assembly W/Pipe 1

7 Filter Tank (SM1700T) 1

8 Lateral-One Piece / Screw on 10

9a/9b Drain Cap Assy (1 5/16 Dia) 1

10 System Mounting Base 1 1

11 1 Elbow Adapter 1 1

12 1 Straight Hose Adapter 1 1

13 Hose 1

14 Hose Clamp 2

15 5/16 X 3/4 Mounting Screw Kit 2

16 Pump 1

17a /b 3' or 6' Cord Set 1

Pump Pump () Filter Sand Filter Freeboard () Freeboard Backwash

D.E Filter

Ref No Description Qty. Req'd.

1 Manual Air Relief w/O-ring 1

2 Manual Air Relief Assembly 1

3 Pressure Gauge 1

4 O-Ring Kit 2

5 Manual Air Relief Nut

6 Upper Filter Body

7 Label Pack

8Clamp System including: Clamp, Clamp nut and Bolt, Hang tag,Metal Reinforced Seal and Labels

9 Clamp Bolt and Nut

10 Label Pack*

11 Metal Reinforced Seal

12 Retainer Nut 5/16-18

13 Washer 2

14 Top Collector Manifold

15 Retainer Rod

16 Flex Air Relief Assembly

17 Outlet Elbow O-ring

18 Outlet Elbow

19Filter Element Cluster Assembly (Complete set of elements,

collectors, Locators, Manifold, ect.

20 Filter Element 7

21 Filter Element Short 1

22 Inlet Diffuser

23 Element Spacer

24 Filter Element Locator

25 Bulkhead O-Ring 2

26 Bulkhead Fitting 2

27 Lower Filter Body

28 Label Pack*

29 Drain Plug w/ O-Ring

30Strap Kit (Optional) 2 straps, 2 Screws

31 O-Ring (2 Req.) 2

32 Variable Flow Valve (Optional)

33 Slide Valve 2 SKT (Optional)

3. Water Treatments Systems (Chlorine) Water Treatment System ResidualChlorine Residual Chlorine [ Limits EHS codes NEA Regulations 1mg/ L 3mg/L Ref APPENDIX 6: Water Quality Standards For SwimmingPool, Code Of Practice On Environmental Health 2005 with Addendum 1,2 &3, 2009 Jan]Chlorine (Tablet) Tablet Chlorinator Chemical Tank Pump (NaCl ) Chemical Calcium hypochloriteCa(ClO)2 PH Level Residual (Free) Chlorine Activity Alkaline (7.2 < pH < 8 ) [ Limits EHS codes NEA Regulations -pH 7.2 to 7.8 Ref APPENDIX 6: Water Quality Standards For Swimming Pool, Code OfPractice On Environmental Health 2005 with Addendum 1,2 &3, 2009 Jan] Algae () Scale () Water Quality Chemical Treatment Chemical Specialist

4. Water Balancing (Gutters + Balancing/Surge Tank System (or) Skimmers Systems) Treatment Archimedes Balancing (Surge) Capacity Balancing Water Circulation System Configuration Balancing Balancing Tank (Surge Tank) Skimmer Boxes

i. Balancing Tanks (with Scum Gutter etc.)ii. Skimmer System

Scum Gutter Overflow Balancing Tank(Surge Tank)

( - ) Skimmer System ( ) Skimmer Weir Skimmer Box Pollutants Skimmer Pollutant Treatment System Skimmer

Balancing Tank Capacity (Required Surge Capacity)

(avg 65L for Aseans, 85L for US) (assumed 20-25mm)

Allowance for Pumping System and SystemRecirculation Delay

5. Water Supply Make-up and Overflow Fittings Water Supply Make-upFittings Sand Filter / DE filter Backwash ( Filters ) Filtered Treated Water Make-up () Water Supply Fittings Balancing Tank (Surge Tank) Low Level Fittings Backwash Save Environment, Conserve Water ! Water Treatment System Overflow Fittings

Balancing Tank (Surge Tank) Balancing Tank (Surge Tank) OverflowBalancing Tank (Surge Tank) Overflow

Drainage System

Balancing (Surge) Capacity (Treated Water ) ( )

6. Pipe & Fittings (Water Inlet Nozzles, Pipings, Valves, Strainers, Main Drains, Channel Grating,Skimmers, Vacuum Inlet, etc.)

Pool Water Treatment System Pipe & Fittings Water Inlet Nozzles ( )Pipings & Fittings ( )Pumps Fittings (Strainers, Valves, Check Valves, Flexible Connectors, etc.) Treatment System Main Drains, Channel Grating,Skimmers, etc.

Pool Maintenance Vacuum Fittings Vacuum Fittings Filter

7. Back Wash Holding Tank (or) Backwash Absorption PitsFilter Backwash Pump Capacity Drainage Line Drainage Buffer Back Wash Holding Tank (or) Backwash Absorption Pits Backwash Operation Pump Capacity (Flowrate) x 10minutes

8. Underwater Lights (Low Voltage) Underwater Light ( 24V ) Water Seal wattage Architect Special LightingEffect Lighting Specialist Conduit Conduit

9. Pool Heaters Pool Heating (Heat Pumps,Electric, Gas, etc.) ASPE (American Society of PlumbingEngineers) Data book Design Temperature

Minimum Acceptable = 75F (24C)Competitive Swimming and Diving = 78-82F (25.6-27.5C)Commercial (Club, Motel, Apartment): 82-90F (27.8-32.2C)Residential: 75-85F (24-26.7C)

Heat Pump Energy Efficient DX Air-Con Outdoor Unit Compressor Heat Energy Conservative State of California EnergyEfficiency Standard regulations Energy Outdoor Pool Chilled Water Heat Exchanger

10. Electrical Control PanelWater Pumps Underwater Lights Electrical Control Panels

Electrical Safety RCCBPool Circulation TimerUnderwater Lights Step-down transformerTreatment Plant Ventilation Fans

B. MEP Equipments' Capacity CalculationsMEP Components

1. Circulation Pumps Capacity Calculation2. Filters Capacity Calculation3. Balancing (Surge) Capacity Calculation4. Pipes Sizing

1. Circulation Pump Capacity CalculationPump Water Flowrate Pool Turnover Rate Pool Water Volume Pump Flow rate Pump Flowrate= ( Pool Water Volume / Turn over period ) + Safety Factor(say 20%) Unit

Pool Water VolumePool Water Volume Volume Rectangle x x Retangular Rectangle AutoCAD Area () Safety Factor ( ) US gal 7.5 gal / ft3 Depth Area x Depth Depth Average Depth

http://www.waterwarehouse.com/

SI Units Geometry Capacity Total (m)

RectangularPool:

Length (m) X Width (m) X Average Depth (m)

Oval Pool:

Long Diameter (m) X Short Diameter (m) X Average Depth (m) X0.785

X 0.785

Circular Pool:

Diameter(m) X Diameter(m) X Average Depth(m) X 0.785

X 0.785

Pump Flowrate Litres 1 m 1,000 Litres

Pump Head Pump Head Static Head Pipe & Fitting Losses Filter Pressure Loss California Energy Commission - 2008 Building Energy Efficiency Standards H = C x F

H is the total system head in feet of water.F is the flow rate in gallons per minute (gpm).C is a coefficient based on the volume of the pool:

a. 0.0167 for pools less than or equal to 17,000gallons.b. 0.0082 for pools greater than 17,000gallons.

2. Filter Capacity CalculationFilter Area Regulation Filter factors (gpm/ft):

CA Title 24: 2008 Fulton County

Cartridge 0.375 0.375

Sand 15 14 to 16

Diatomaceous Earth 2 1

Unit (gpm/ft) SI Unit 1 gpm/ft= 40.74 lpm/m Manufacturer's Recommendation Filter Area DE Sand Filter DE Filter Area Sand Filter Capacity Sand Filter Sand Filter Cylinder FilterDiameter A = d / 4 Filter

Manufacturer's Technical Data

3. Balancing (Surge) Capacity Calculationi. Bather Load

(avg 65L for Aseans, 85L for US) Bathing Load Density Bathing LoadDensity Regulation

Water Depth Bather Load (m / person)

Shallow Water (under 1m deep) 2.2 (23.7 square feet)

Standing Water (1 - 1.5 m deep) 2.7 (29 square feet)

Deep Water (over 1.5 m deep) 4.0 (43 square feet)

Very Deep Water (over 2 m deep)4.0 OR Maximum DESIGN Bather load

(whichever is less)

Ref: The Swimming Pool Operators and Owners Resources Pages, UK

[http://www.caromal.co.uk/Resource Page 1.HTM] Regulation Private Pool

ii. Wave Volume Pool Area Wave Volume 20 25mm Assume

iii. Allowance for Pumping System and System Recirculation Delay ( )

Balancing Tank (Surge Tank) Pump Pump Pump Vortex Cavitation Water Level Balancing Tank (Surge Tank)

iv. Balancing (Surge) Capacity AssumptionsBather Volume, v0 = 0.06 m/person ( 60 L / person )Water Wave Height , h = 0.025 m (25mm)

Sr. Pool ID

Pool Size Bathing LoadBalancing Water

Volume

Area Depth Volume ( m/ person)

PersonsBathers Wave Total

(m) (m) (m) (m) (m) (m)

A DV =

AxDL

*N=

A/L)

v1=

Nxv0

v2=

Axh

v3=

v1+v2

1 Public Pool 300 1.4 420 2.7 112 6.7 7.5 14.2

2Private Pool1

40 1.1 44 5.0 8 0.5 1 1.5

3Children(Wading)Pool

30 0.4 12 - - - 0.75 0.75

Bather Load *N integer () round upChildren (Wadding) Pool (450mm) Bather Volume Wave Volume Turn Over ( - )

v. Balancing Tank (Surge Tank)

Dimension Description Value

AClearance Below Pump SuctionFitting

75-100 mm

BMinimum Water Level to avoidCavitation

300 mm (or) Pump Requirements

C Pool Balancing Active Height Calculate from Balancing Volume

D Make-up Range 100 mm (and) < C

E Clearance Below Strainer Busket > 50 mm

F Clearance Below Overflow Pipe 25 mm

GWater Inlet above Top of OverflowPipe

25 mm

Pool Balancing Active Height (C) Pool Balancing Active Height (C) = Balancing Volume / Balancing Tank AreaMake-up Range D Make Up Range (D) Active Height (C) Make-up Fitting FreeBoard Space

vi. Balancing for Skimmer Systems Make-up Overflow Level Bather Load Wave Volume Flap Weir / Floating Weir TWL (Top Water Level) Overflow Level LWL (Low Water Level) Make-up

Free Board Height = T.W.L L.W.L C Free Board Height = Balancing Volume / Pool Area

Floating Weir Skimmer Skimmer Balancing Pipe

4. Pipe SizingRegulation Domestic WaterSupply Sanitary Drainage Fulton County Maximum Flow velocity

i. Pressure piping : < 10 fpsii. Vacuum lines : < 5 fps

California Energy Commission - 2008 Building Energy Efficiency Standards

i. Return line : < 8 fpsii. Suction line : < 6 fps

Standard 2008 Residential Compliance Manual Table 5-3 6-Hour Turnover Pipe Sizing

Pool Volume (gallons) Minimum Pipe Diameter (in)

Min Max Return Suction

- 13,000 1.5 1.5

13,000 1,7000 1.5 2

17,000 21,000 2 2

21,000 30,000 2 2.5

30,000 42,000 2.5 3

42,000 48,000 3 3

48,000 65,000 3 3.5

Gravity / Gradient Flow Line Manning Equation Gradient Flow Chart Size

VI. Other Pools & Fish PondsA. Pools for Water Sports:

Swimming Competition, Diving, Water Polo, Synchronized Swimming Swimming Pool Rules Tolerances Pool Fdration Internationale de Natation (FINA) (Fdration Internationale de Natation (FINA)is the International Federation (IF) recognized by the International Olympic Committee (IOC) foradministering international competition in the aquatic sports (its name translated from Frenchis "International Swimming Federation"). na.org web site FINA Facilities Rules FINA Facilities Rules [http://www.fina.org/project/index.php?option=com_content&task=view&id=51&Itemid=119] Swimming Pool Specialist Idea

Competition Pool Diving Pool Specialist

i. Turn Over = 4 hrii. Water Inlet Bottom Inlet, Slowlyiii. Balancing Tank (Surge Tank) at One Edge of the Pool : No Scum Gutter Required, Direct

to the Balancing Tank Balancing Tank (Surge Tank) ( Public Pool Regulation ) "This is the beauty ofwater. "

Pool Water Treatment Specialist Standard The Pool Water Treatment Advisory Group (PWTAG) Treatment and qualitystandards for pools and spas PWTAG Website [ http://www.pwtag.org/home.html ]

B. Swimming Pool vs Fish ponds Swimming Pool Biological Filter Quality Aquatic Plants Swimming Pool Chlorine Biological Filter nitrites nitrate Bacteria Chlorine Swimming Pool Treatment System Project Service (Koi Fish )

C. Other Pools and Some NotesWater Fountains, Water Fall, Water Features and Display Display Pattern Pump Capacity Water Treatment Circulation Pumps Display Pattern Pump Set Control Spa Pools: Spa Jet Pumps Leisure Pool BAS (BuildingAutomation Systems) Automatic Controlled Blower Wave Travels but Water does not. Water Only Moves Up and Down. Zero Entry Pool

Online Link My Dream Pool by Hayward Pool Products [ http://www.mydreampool.com/ ]

Checklist

VII. Constructioni. Coordination with Architects & Structural Engineersii. Aesthetic (Architectural Appeal)iii. Spaces for MEP Systems, Equipment Logistic Routesiv. Ventilation for Filtration Plantv. Water Pressure vs Structure (similar to water tanks)vi. Before Concreting: Installation of Pipe Spools, Box-ups for Pool Fixtures and Lighting, Electrical

Conduits, etc.vii. Water Proofing Installations to prevent water leaks ( water proofing membrane, double slabs, puddle

flanges, etc.)

VIII. Pool Maintenancei. Cleaning / Vacuumii. Filter Backwashiii. Water Quality Checkiv. System Checkv. Pool Winterizing [ http://www.poolandspa.com/page107.htm ]

IX. Natatoriums - HVACi. Evaporation Rate Calculationii. Environment Control and Humidity Removal

X. References

Web-Links1. Code & Regulations

i. National Swimming Pool Foundation, USA: Code Links [ http://www.nspf.org/Codes_Links.html ]ii. NEA Singapore - Code Of Practice On Environmental Health 2005 with Addendum 1,2 & 3 Chapter 7

Swimming Pool, 2009 Jan[ http://app2.nea.gov.sg/cop_copeh_sp.aspx ]

iii. NEA Singapore - Swimming Pool License[ http://app2.nea.gov.sg/onlinesvcs_swimmingpool.aspx ]

iv. NEA Singapore - Swimming Pool License Renewal Application[ http://app2.nea.gov.sg/NEADownload.aspx?res_sid=20081202770387696494 ]

v. USA, Georgia Counties: Codes Lists[ http://waterworldinc.net/CodeSection/CountyList.htm ]

vi. USA : Georgia Counties: Fulton County Codes[ http://waterworldinc.net/CodeSection/CountyList.htm ]

vii. USA : California Energy Commission - Resource Library [ http://www.title24learning.com/page.php?pg=resourselibrary.php ]

viii. Western Australia : Code of Practice for the Design, Construction, Operation, Management andMaintenance of Aquatic Facilities (October 2009) pdf download[ http://www.public.health.wa.gov.au/cproot/1893/2/CODE OF PRACTICE-AQUATIC FACILITIES2009.pdf ]

ix. Western Australia : Code of Practice for the Design, Construction, Operation, Management andMaintenance of Aquatic Facilities (October 2009) Online[ http://www.public.health.wa.gov.au/3/914/2/code_of_practice.pm ]

2. Reference Standardsi. Olympic Standards : Fdration Internationale de Natation (FINA)

[ http://www.fina.org/project/index.php?option=com_content&task=view&id=51&Itemid=119 ]ii. Anthropometrics: (United States Swimming)

[ http://www.usaswimming.org/USASWeb/DesktopDefault.aspx?TabId=234&Alias=rainbow&Lang=en]

iii. PWTAG : Treatment and quality standards for pools and spas [ http://www.pwtag.org/home.html ]

iv. USA : California Energy Commission - 2008 Building Energy Efficiency Standards[ http://www.energy.ca.gov/2008publications/CEC-400-2008-001/CEC-400-2008-001-CMF.PDF ]

3. Online Articles

Newer Post Older Post

i. Swimming Pool Fundamentals.html [ http://www.watermaid.ca/swimming-pool-fundamentals.html ]ii. USA : Georgia Counties: Fulton County Codes (Good Reference)

[ http://waterworldinc.net/CodeSection/CountyList.htm ]iii. Wiki Swimming_pool [ http://en.wikipedia.org/wiki/Swimming_pool ]iv. Pool Operations [ http://www.jazziepools.com/services/poolops.asp ]v. Swimming Pool Sanitation Article

[ http://www.pressreleasepoint.com/swimming-pool-sanitation-make-your-swimming-pool-clean-and-safe-health ]

vi. Pool Care Guide: from Dohenys Water Warehouse [ http://www.waterwarehouse.com/swimming-pool-care-guide.aspx ]

vii. The Swimming Pool Operators and Owners Resources Pages, UK [ http://www.caromal.co.uk/Resource Page 1.HTM ]

4. Pool Fittings Manufacturers / Suppliersi. Pentair Water Pool and Spa [ http://www.pentairpool.com/ ]

ii. Hayward Pool Product [ http://www.haywardnet.com/ ]iii. Hayward : Pools Fittings Owner's Manual Download

[ http://www.haywardnet.com/inground/products/manuals.cfm ]

iv. Hydrotech (uae) [ http://www.hydrotechuae.com/ ]

Posted by Ko Chaw - at 5:59 PM

Labels: MEP Systems, Swimming Pools

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