Public Swimming and Bathing Places Regulations

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Questions and Answers

What is required for public swimming and bathing places to operate for public use?

A sanitary permit issued by the Secretary or his duly authorized representative (correct)

A certification from the Department of Tourism

A registration with the local health authority

A business permit issued by the local government

What is the purpose of the rules and regulations promulgated by the Department?

To protect the health and safety of persons who use public swimming and bathing places (correct)

To promote the tourism industry

To regulate the business hours of public swimming and bathing places

To generate revenue for the government

What is one of the correct sanitary practices for personnel working in public swimming and bathing places?

Eating inside the swimming area

Taking regular breaks to rest

Wearing casual clothes while working

Maintaining their adequate sanitation and cleanliness of accessories used by customers (correct)

What is one of the standards and criteria concerning public swimming pools and bath houses?

Sanitary structural requisites to prevent pollution of their waters and to facilitate sanitation maintenance Signup and view all the answers

What is one of the responsibilities of the local health authority?

Inspecting the state of sanitation of public swimming or bathing places Signup and view all the answers

Why would the Department recommend the revocation of permits of public swimming and bathing places?

When it is deemed necessary for the protection of public health Signup and view all the answers

What is one of the responsibilities of the Department under this Chapter?

Promulgating rules and regulations to protect the health and safety of persons who use public swimming and bathing places Signup and view all the answers

What is one of the methods of determining the sanitary quality of water in swimming pools?

By using methods to be determined by the Department Signup and view all the answers

What is the purpose of backwashing in a filter?

To wash away accumulated impurities from the filter Signup and view all the answers

What is a diatomaceous earth filter used for?

To filter the water in swimming pools Signup and view all the answers

What type of certification is required for a person to work in an establishment with public swimming pools?

Health certificate Signup and view all the answers

What type of swimming pool is filled with fresh water, used, drained, cleaned, and refilled?

Fill and draw swimming pool Signup and view all the answers

Who is responsible for enforcing sanitary rules and regulations in an establishment?

Sanitation inspector Signup and view all the answers

What is a collective term that includes hotels, motels, tourist courts, resorts, apartments, and condominium houses?

Establishment Signup and view all the answers

Who is an expert swimmer trained on life-saving procedures employed at a public bathing place?

Lifeguard Signup and view all the answers

What is the purpose of a sanitary permit?

To certify that the establishment complies with sanitation requirements Signup and view all the answers

What is a public swimming pool or bathing place?

A bathing place intended to be used collectively or publicly by a number of persons for swimming or bathing and other recreational purposes Signup and view all the answers

Who heads a regional health office of the Department of Health?

Regional director Signup and view all the answers

What is the main purpose of the implementing rules and regulations of Chapter VIII?

To ensure the strict compliance of public swimming or bathing places Signup and view all the answers

What type of establishments are exempt from these implementing rules and regulations?

Private pools Signup and view all the answers

What is the term for the maximum capacity of a swimming pool or bathing place?

Bathing load Signup and view all the answers

What is the purpose of a back drain?

To allow water to escape from behind a retaining wall Signup and view all the answers

What type of establishment has individual showers and wash basin facilities?

Bathhouse Signup and view all the answers

Which of the following is not a type of public swimming or bathing place?

Private beach Signup and view all the answers

Who is responsible for implementing these rules and regulations?

Department of Health Signup and view all the answers

What is the purpose of the Code on Sanitation of the Philippines?

To ensure the sanitation of public swimming or bathing places Signup and view all the answers

What is the minimum diameter of the equalizer pipe?

5.0 centimeters (2 inches) Signup and view all the answers

Where should the equalizer pipe be located in relation to the lowest overflow level of the skimmer?

At least 30 centimeters (1 foot) below Signup and view all the answers

What is the maximum velocity of water in the piping system?

183 centimeters per second (6 feet per second) Signup and view all the answers

What is the purpose of the strainer in the recirculation system?

To prevent hair, lint, etc. from reaching the pump and filters Signup and view all the answers

What is the minimum free flow area of the strainer?

Four times the area of pump suction line Signup and view all the answers

What is the minimum dynamic head required for pressure sand-type filters?

15 meters (50 feet) Signup and view all the answers

How often should the water be replaced in fill and draw pools?

Daily Signup and view all the answers

What is the minimum surface area required for each non-swimmer in the swimming pool?

0.90 square meters (10 square feet) Signup and view all the answers

What is the minimum surface area required for each swimmer in the swimming pool?

2.20 square meters (24 square feet) Signup and view all the answers

What is the minimum turnover rate required for swimming pools subjected to heavy bather loads?

6 times in 24 hours Signup and view all the answers

What is the requirement for the water supply of public swimming and bathing places?

It must be in accordance with Chapter II of the Code on Sanitation of the Philippines Signup and view all the answers

How should water be introduced into the pool?

Through an air gap Signup and view all the answers

What is the requirement for handling, storage, and serving of food and drinks in public swimming and bathing places?

It must be in accordance with Chapter III of the Code on Sanitation of the Philippines Signup and view all the answers

What is the requirement for the sewer system of public swimming and bathing places?

It must meet the minimum requirements to serve the facility Signup and view all the answers

What is the requirement for dressing rooms in public swimming and bathing places?

There must be a separate dressing room for each gender Signup and view all the answers

What is the requirement for the floors of dressing and locker rooms?

They must be of smooth-finished material Signup and view all the answers

What is the requirement for the walls, partitions, and lockers of dressing and locker rooms?

They must be made of smooth, impervious material Signup and view all the answers

What is the requirement for the lockers in dressing rooms?

They must be set in solid masonry bases 10 inches high Signup and view all the answers

What is the requirement for the furniture used in dressing rooms?

It must be of simple type Signup and view all the answers

What is the requirement for the cleanliness of dressing rooms?

They must be kept clean at all times Signup and view all the answers

What is the term for a group of insects or small animals that are vectors of diseases?

Vermin Signup and view all the answers

What is the minimum depth of a swimming pool?

91 centimeters Signup and view all the answers

What is the purpose of a skimmer in a swimming pool?

To remove floating pollutants Signup and view all the answers

What is the term for a steel shell of metal, stone, or plastic containing porous elements?

SEPTA Signup and view all the answers

Who is responsible for issuing a sanitary permit?

Local health officer Signup and view all the answers

What is the term for a series of preventive and control procedures for vermin control?

Vermin Abatement Program Signup and view all the answers

What is the minimum area of pool water surface reserved around each diving board or diving platform?

300 square feet Signup and view all the answers

What is the maximum depth of a wading pool?

Less than or equal to 91 centimeters Signup and view all the answers

What is the design rate of filtration for pressure-sand-type filters?

127 liters per minute per square meter Signup and view all the answers

What is the minimum depth of screened, sharp filter sand required in sand-type filters?

50 centimeters Signup and view all the answers

What is the form used for the application or renewal of a sanitary permit?

EHS Form No. 110 Signup and view all the answers

What is the minimum rate of backwashing required for pressure-sand-type filters?

611 liters per minute per square meter Signup and view all the answers

What is the duration of a sanitary permit?

Until the last day of December of the same year Signup and view all the answers

What is the purpose of noting a sanitary permit?

To update the record of the establishment Signup and view all the answers

What is the minimum freeboard required between the upper surface of the filter media and the lowest portion of the pipes or drains?

30 centimeters Signup and view all the answers

What is the purpose of the influent and effluent pressure gauges in a filter system?

To measure the pressure of the water during filtration and backwashing Signup and view all the answers

What is the minimum size of the access opening required for pressure-type filter tanks?

28 cm x 38 cm Signup and view all the answers

What is the purpose of the air-relief valves in a filter system?

To release air from the filter tank Signup and view all the answers

What is the maximum uniformity coefficient allowed for filter gravel in sand-type filters?

1.75 Signup and view all the answers

What is the design rate of filtration for diatomaceous earth-type filters without continuous body feed?

81 liters per minute per square meter Signup and view all the answers

What is the recommended ratio of water closets for males and females above 200 persons?

One water closet for every 75 males and one for every 50 females Signup and view all the answers

What is the purpose of the foot wash solution in public swimming pools and bathing places?

To prevent the spread of 'athlete's foot' Signup and view all the answers

How often should refuse be disposed of in public swimming pools and bathing places?

At least once a day Signup and view all the answers

What is the purpose of providing two types of refuse receptacles or containers in public swimming pools and bathing places?

To separate biodegradable and non-biodegradable materials Signup and view all the answers

What should be done to the refuse receptacles or containers after they are emptied?

They should be thoroughly cleaned with water, soap, and brush Signup and view all the answers

What is the purpose of the vermin abatement program in public swimming pools and bathing places?

To control the population of vermin Signup and view all the answers

What should be done to rented bathing suits, towels, linens, or similar articles after each use?

Washed with water and soap, thoroughly rinsed with clean water, soaked in boiling water and dried Signup and view all the answers

What should be used to line the receptacles or containers for non-biodegradable materials?

Black-colored plastic trash bags Signup and view all the answers

Where should public swimming pools, bathhouses, and other public swimming and bathing places be located?

Only in areas assigned by existing zoning laws or ordinances Signup and view all the answers

What should be done before beginning construction of a public swimming pool or bathing place?

Submit the plans and specifications to the local health office for review Signup and view all the answers

Why should the burying of garbage or solid waste in the beach/sand be prohibited?

All of the above Signup and view all the answers

What should be included in the plans and specifications for a public swimming pool or bathing place?

Plans and sectional views, piping diagrams, and specifications Signup and view all the answers

How often should the shower facilities be provided in public swimming pools and bathing places?

One shower head for every 50 males and one for every 50 females Signup and view all the answers

What should be done to the storage areas of refuse in public swimming pools and bathing places?

They should be maintained clean at all times Signup and view all the answers

Why should the pool and facilities be built in accordance with the approved plans?

To ensure compliance with the requirements of the rules and regulations Signup and view all the answers

What should be done to the pool and related equipment during and after construction?

Inspect the pool and related equipment Signup and view all the answers

What is the minimum width of grate openings in swimming pools?

1.30 cm Signup and view all the answers

What is the maximum velocity of water passing through the screen in outlet openings?

46 cm/s Signup and view all the answers

What should be done to existing public swimming pools or bathing places operating before the issuance of these rules and regulations?

Evaluations should be conducted by the local health office Signup and view all the answers

Where should multiple outlets be provided in swimming pools with deep water?

Where the width of the pool is more than 9.10 meters Signup and view all the answers

What should be the minimum distance of a swimming pool from the side of the property line?

2 meters Signup and view all the answers

What should be the minimum distance of a swimming pool from a road alignment?

3 meters Signup and view all the answers

What is the maximum distance between inlets in swimming pools with surface area greater than 148.70 square meters?

4.60 meters Signup and view all the answers

Who should prepare the plans and specifications for a public swimming pool or bathing place?

A licensed sanitary engineer Signup and view all the answers

What is the maximum slope of the bottom of a swimming pool portion with a water depth of less than 1.50 meters?

30.50 cm in 3.70 meters Signup and view all the answers

What is the minimum percentage of recirculated water that an overflow gutter shall be capable of removing?

50% Signup and view all the answers

How should the walls of a swimming pool be designed for water depths of at least 1.80 meters?

Vertical with a slope of 30 cm horizontally Signup and view all the answers

What is the minimum width of the interior of the overflow gutter?

7.60 centimeters (3 inches) Signup and view all the answers

What is the width of safety ledges on vertical walls in the deep portion of the swimming pool?

10.0 cm Signup and view all the answers

What is required for swimming pools with a surface area of greater than 149 square meters?

Overflow gutters Signup and view all the answers

What is the purpose of the surge tank in an overflow gutter system?

To connect the overflow gutter to the recirculation system Signup and view all the answers

How should valves and/or pumps used for draining swimming pools be sized?

To prevent the surcharging of the sanitary sewer Signup and view all the answers

What is the minimum diameter of the outlet pipes in an overflow gutter system?

5.10 centimeters (2 inches) Signup and view all the answers

What is the minimum water surface area of a pool that can be equipped with skimmers?

149 square meters Signup and view all the answers

What is the purpose of inlets in swimming pools?

To produce uniform circulation of water Signup and view all the answers

What is the minimum flow rate of a skimmer in liters per minute?

113.40 liters per minute Signup and view all the answers

What is the purpose of the basket or screen in a skimmer?

To trap large solids Signup and view all the answers

How often should skimmers be provided in a pool with a water surface area of 800 square meters?

At least one skimmer for every 500 square meters Signup and view all the answers

What is the minimum thickness of the rounded overflow edge or lip?

6.40 centimeters (2 ½ inches) Signup and view all the answers

What is the minimum height of the handholds above the normal water line?

23 centimeters (9 inches) Signup and view all the answers

What is the minimum depth of water required in a swimming pool?

91 centimeters (3 feet) Signup and view all the answers

What is the purpose of the hydrostatic relief valve in areas with a high water table?

To relieve excess water pressure Signup and view all the answers

What is the required material for the swimming pool finish?

White or light colored material with a smooth finish Signup and view all the answers

What is the requirement for lane lines or markings on the bottom of the swimming pool?

Minimum 25.4 centimeters (10 inches) in width and in a color that contrasts with the background Signup and view all the answers

What is the required marking for the depth of water in the swimming pool?

At the maximum and minimum points, and at the 1.50 meters (5 feet) and at intermediate 31 centimeters (1 foot) increment of depth Signup and view all the answers

Why are corners formed by the intersection of walls and floors required to be rounded?

To facilitate sanitation maintenance Signup and view all the answers

What is the requirement for the shape of a swimming pool?

The shape shall be such that the circulation of pool water and control of the swimmer's safety are not impaired Signup and view all the answers

What is the requirement for the outlet of a swimming pool?

The outlet shall be located at the deepest point Signup and view all the answers

What is the requirement for the openings of the outlet?

The openings shall be covered by a proper screen that is not readily removable by bathers Signup and view all the answers

What is the responsibility of the structural engineer regarding the swimming pool?

To certify to the structural stability and safety of the pool Signup and view all the answers

What is the minimum working pressure of pressure-type filters?

3.52 kilograms per square centimeter (50 pounds per square inch) Signup and view all the answers

What is the purpose of the adjustable high vacuum automatic shut-off in vacuum-type filter installations?

To prevent damage to the pump by cavitation Signup and view all the answers

What is the minimum tread of steps leading into the swimming pool?

30 centimeters (12 inches) Signup and view all the answers

What is the material requirement for the tank containing the filter elements?

Steel, plastic, or other suitable material Signup and view all the answers

What is the safety factor for pressure-type filters?

4 to 1 Signup and view all the answers

What is the purpose of the septa or elements in the filter?

To support the filter-aid Signup and view all the answers

What is the minimum requirement for the rise or height of steps leading into the swimming pool?

25.40 centimeters (10 inches) Signup and view all the answers

What is the requirement for the material used in the construction of the septa?

Corrosion-resistant material Signup and view all the answers

What is the requirement for the vacuum-type filter installations?

Designed to withstand the pressure developed by the weight of the water contained Signup and view all the answers

What is the requirement for the provision of ladders or steps at the deep portion of the swimming pool?

One ladder or recessed step on each side if the pool is over 9.0 meters (30 feet) wide Signup and view all the answers

What is the minimum clearance required between a ladder and the pool wall?

13 centimeters (5 inches) Signup and view all the answers

What is the minimum tread required for stepholes in pool walls?

13 centimeters (5 inches) Signup and view all the answers

What is the minimum width required for stepholes in pool walls?

36 centimeters (14 inches) Signup and view all the answers

What is the minimum height required for handrails at the top of steps or ladders leading to diving boards?

1 meter (3 feet) Signup and view all the answers

What is the minimum deck width required around the swimming pool?

1.50 meters (5 feet) Signup and view all the answers

What is the minimum water depth required for diving boards 2.0 meters or below in height?

2.6 meters (8.5 feet) Signup and view all the answers

What is the minimum unobstructed headroom required above diving boards?

4.60 meters (15 feet) Signup and view all the answers

What is the minimum capacity of a chlorinator or disinfectant feeder required for a swimming pool?

0.5 kilograms of chlorine per 8 hours for each 37,800 liters Signup and view all the answers

What is the minimum requirement for the design and construction of supports, platforms, and steps for diving boards?

All of the above Signup and view all the answers

What is the minimum requirement for horizontal separations between diving boards and side walls?

3.0 meters (10 feet) Signup and view all the answers

Study Notes

Public Swimming and Bathing Places

No public swimming and bathing places can operate without a sanitary permit issued by the Secretary or their representative.

Protection of Customers

The Department shall create rules and regulations to protect customers' health and safety, including:
- Correct sanitary practices for swimmers and bathers to prevent disease transmission
- Sanitary procedures for personnel to maintain cleanliness and sanitation of facilities and equipment
- Adequate trained personnel and equipment for life-saving and rescue work
- Conspicuous signs to warn of artificial or natural hazards

Sanitary Standards and Criteria

The Department shall establish standards and criteria for:
- Sanitary structural requirements for swimming pools and bath houses to prevent water pollution and facilitate maintenance
- Sanitary structural standards for toilets, shower baths, and dressing rooms to eliminate infection risk
- Methods to determine the sanitary quality of water, particularly for swimming pools
- Criteria for limiting swimming or bathing loads based on water treatment type

Responsibility of the Local Health Authority

The local health authority shall:
- Inspect public swimming or bathing places for sanitation
- Ensure personnel are regularly examined for infections or contagious diseases
- Enforce Department rules and regulations under this Chapter
- Recommend permit revocation to the Department when necessary for public health protection

Implementing Rules and Regulations of Chapter VIII - "Public Swimming or Bathing Places"

These rules and regulations apply to all public swimming or bathing places, including pools, bathhouses, bathing beaches, and other natural bathing areas.
They do not include private pools, bathhouses, bathing beaches, or other private natural bathing areas.

Definition of Terms

Back drain: a hole to allow water to escape from behind a retaining wall and reduce pressure.
Bathhouse: an establishment with individual showers and wash basin facilities.
Bathing load: the maximum capacity of a swimming pool/bathing place.
Backwashing: washing of a filter by reversing the flow of water to remove accumulated impurities.
Diatomaceous earth filters: microscopic fossils of marine plants used in filtering systems.
Establishment: a collective term for hotels, motels, resorts, apartments, condominium houses, clubhouses, sports and recreation areas, and other similar establishments.
Fill and draw swimming pool: a pool filled with fresh water, used, drained, cleaned, and refilled.
Health certificate: a certification issued by the municipal or city health officer to a person after passing physical and medical examinations.
Lifeguard: an expert swimmer trained on life-saving procedures employed at a public bathing place.
Local government unit: a local political subdivision, such as a province, city, municipality, or barangay.
Sanitary permit: a certification issued by the local health officer that the establishment complies with sanitation requirements.

Sanitary Requirements for Operating Public Swimming or Bathing Places

No public swimming pools, bathhouses, bathing places, and establishments shall be operated without a sanitary permit.
The application or renewal of a sanitary permit shall be filed with the city or municipal health office.
The sanitary permit shall be issued only upon compliance with a satisfactory rating.
Fees shall be paid to the local government unit upon application, renewal, and noting of sanitary permits.
The sanitary permit shall be valid for one year and shall be renewed every year.

Water Supply

The drinking water supply for the establishment shall be in accordance with the Code on Sanitation of the Philippines (P.D. 856).
The water supply shall be protected against backflow.
Water introduced into the pool shall be supplied through an air gap.

Food and Drinks

Handling, storage, and serving of food and drinks in the establishment shall be in accordance with the Code on Sanitation of the Philippines (P.D. 856).

Sewage Disposal and Drainage

The sewer system shall meet the minimum requirements to serve the facility.
There shall be no direct physical connection between the sewer system and any drain from the swimming pool or recirculation system.
The sanitary sewer serving the swimming pool and auxiliary facilities shall discharge to the public sewer system or in a manner complying with the Code on Sanitation of the Philippines.

Dressing Rooms

All public swimming and bathing places shall have a separate dressing room and bathhouse for each gender.
Floors of dressing and locker rooms shall be of smooth-finished material with non-slip surface.
Walls, partitions, and lockers shall be made of smooth, impervious material, free from cracks or open joints.

Water Closets, Showers, Urinals, and Lavatories

The minimum requirements for toilet and shower facilities shall be provided for bathers expected at the time of maximum load.
The number of water closets, urinals, and lavatories shall be determined by the local health officer based on the number of bathers.

Solid Waste Management

Public swimming pools and bathing places establishments shall be provided with two types of refuse receptacles or containers.
The receptacles or containers shall be made of impervious materials, one for biodegradable and one for non-biodegradable materials.
All receptacles or containers shall be provided with tight-fitting lids or covers, so constructed and maintained as to be vermin-proofed and easily cleaned.

Vermin Abatement

A vermin abatement program shall be maintained in public swimming and bathing places by the operators or administrators.
The procedure and frequency of vermin abatement program shall be determined and approved by the local health office.

Specific Sanitary Requirements for Accessories Used by Bathers

Rented bathing suits, towels, linens, or similar articles shall be washed with water and soap, thoroughly rinsed with clean water, soaked in boiling water, and dried each time they are used.
Clean suits and towels shall be kept strictly separated from those that have been used and unlaundered.### Pool Construction and Inspection
The operator must notify the local health office at specific stages of construction and completion to permit inspection of the pool and related equipment.
The pool cannot be operated until inspections show compliance with the requirements.

Plans and Specifications

Plans must be drawn to scale and accompanied by specifications to permit a comprehensive engineering review.
Plans must include:
- Sectional views with dimensions of the pool and surrounding area.
- Piping diagram showing all appurtenances, including treatment facilities, hydraulic details, and elevation data.
- Specifications must include details on all treatment equipment, including catalog identification.

Existing Establishments

Existing public swimming pools or bathing places must be evaluated by the local health office.
Any additional construction, renovation, alteration, or improvement must conform to the requirements.

Structural Requirements

Swimming pools and appurtenances must be constructed of materials that are immovable, non-toxic, impervious, permanent, and enduring.
All corners formed by the intersection of walls and floors must be rounded.
Sand or earth bottoms are not permitted in swimming pool construction.

Design and Structural Stability

All swimming pools must be designed and constructed to withstand all anticipated loadings for both full and empty conditions.
A hydrostatic relief valve must be provided in areas with a high water table.
The structural engineer must certify the structural stability and safety of the pool.

Depth Markings and Lines

The depth of water must be plainly marked at or above the water surface on the vertical wall of the swimming pool.
Depth markers must be in numerals of at least 10.20 cm (4 inches) minimum height and in a color that contrasts with the background.

Inlets and Outlets

Outlets:
- All swimming pools must be provided with an outlet at the deepest point to permit the pool to be completely and easily emptied.
- Outlet openings must be covered by a proper screen that is not readily removable by bathers.
Inlets:
- Inlets must be so located as to produce uniform circulation of water and facilitate the maintenance of a uniform disinfectant residual throughout the entire swimming pool.
- Inlets must be flushed with the pool wall and submerged at least 30.50 cm (12 inches) below the water level.

Slope of Bottom

The slope of the bottom of any portion of the swimming pool having a water depth of less than 1.50 meters (5 feet) must not be more than 30.50 cm (1 foot) in 3.70 meters (12 feet).

Side Walls

Walls of a swimming pool must be either vertical or curved to the bottom with a radius not greater than the difference between the depth at that point and 0.90 meters (3 feet).

Overflow Gutters

Overflow gutters must be required on all swimming pools having a surface area of greater than 149 square meters (1,600 sq. ft.).
Overflow gutters must meet specific general specifications, including:
- Extending completely around the swimming pool.
- Serving as a handhold.
- Capable of continuously removing 50% or more of the recirculated water and returning it to the filter.

Skimmers

Skimmers are allowed on public swimming pools with not more than 149 square meters (1,600 sq. ft.) of water surface area.
Skimmers must meet specific general specifications, including:
- Developing sufficient velocity on the pool water surface to induce floating oils and wastes into the skimmer.
- Providing a device to prevent air-lock in the suction line.

Recirculation Systems

A recirculation system must be provided, consisting of pumps, piping, filters, water conditioning, and disinfection equipment, and other accessory equipment.
The recirculation system must clarify and disinfect the swimming pool volume of water in eight hours or less.

User Loading

The maximum bathing capacity of the swimming pool must be posted conspicuously.
The user loading must be computed based on the swimming pool area, with allowances for non-swimmers, swimmers, and deck areas.### Pressure-Type Filter Tanks
Each pressure-type filter tank must have an access opening of at least 28 cm x 38 cm (11 inches x 15 inches) with a manhole and cover.
Devices with accurate dosage control features must be provided for adding coagulants ahead of the filters.
Pressure-type filters must be constructed of substantial material, designed for a pressure safety factor of 4, based on the maximum shut-off head of the pump.
The shut-off head for design purposes must be at least 1.02 kg/cm² (50 pounds per square inch).

Diatomaceous Earth-Type Filters

Sufficient filtering area must be provided to meet the design pump capacity.
The design rate of filtration must not be greater than 81 liters per minute per square meter (2.0 gallons per minute per square foot) without continuous body feed, and not greater than 102 liters per minute per square meter (2.50 gallons per minute per square foot) with continuous body feed.
The device must be accurate and dependable, and capable of continually feeding within a calibrated range, adjustable from 2 parts per million to 6 parts per million.
Filtering area, where fabric is used, must be determined on the basis of effective filtering surfaces, without allowances for areas of impaired filtration.
The filter and all component parts must be of such materials, design, and construction to withstand normal continuous use without significant deformation, deterioration, or corrosion.

Filter Types

The tank containing the filter elements must be constructed of steel, plastic, or other suitable material that provides resistance to corrosion.
Pressure-type filters must be designed for a minimum working pressure of 3.52 kg/cm² (50 pounds per square inch) with a four-to-one safety factor.
Vacuum-type filters must be designed to withstand the pressure developed by the weight of the water contained therein and closed vacuum-type filters must be designed to withstand the crushing pressure developed under a vacuum of 63.50 cm (25 inches) of mercury with a safety factor of 1.50.

Ladders, Recessed Treads, and Stairs

Steps or ladders must be provided at the shallow end of the swimming pool if the vertical distance from the bottom of the pool to the deck or walk is over 60 cm (2 feet).
Recessed steps or ladders must be provided at the deep portion of the swimming pool, and if the pool is over 9.0 meters (30 feet) wide, such steps or ladders must be installed on each side.
Steps leading into the swimming pool must be of non-slip design, with a minimum tread of 30 cm (12 inches) and a maximum rise or height of 25.40 cm (10 inches).

Decks and Walkways

A continuous deck at least 1.50 meters (5 feet) wide must extend completely around the swimming pool.
The deck must be sloped away from the pool to drain at a grade of 2.0 to 3.1 cm per meter (0.25 inch to 0.375 inch per lineal foot) and have a non-slip surface.

Diving Areas

The dimensions of the swimming pool in the diving area must conform to the minimum requirements:
- Height of board in meters: 2.0 or below, minimum water depth: 2.6 meters (8 ½ feet), minimum pool width: 6.1 meters (20 feet)
- Height of board in meters: 2.1-3.0, minimum water depth: 3.0 meters (10 feet), minimum pool width: 9.2 meters (30 feet)
- Height of board in meters: 3.1 or more, minimum water depth: 3.5 meters (11½ feet), minimum pool width: 9.2 meters (30 feet)
At least 4.60 meters (15 feet) of unobstructed headroom must be provided above diving boards.

Disinfectant and Chemical Feeders

The swimming pool must be equipped with a chlorinator, hypochlorinator, or other disinfectant feeder that meets the following requirements:
- The feeder must be of sturdy construction and materials that can withstand wear, corrosion, or attack by disinfectant solutions or vapors.
- The feeder must be capable of being easily disassembled for cleaning and maintenance.
- The design and construction must be in such a way as to preclude stoppage from chemicals intended to be used or foreign materials.
- The feeder must incorporate failure-proof features so that the disinfectant cannot feed directly into the swimming pool under any type of failure.
- The feeder must be capable of supplying at least the equivalent of one-half kilogram of chlorine per eight hours for each 37,800 liters (one pound of chlorine per eight hours for each 10,000 gallons) of swimming pool capacity.

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Quiz on regulations and sanitary practices for public swimming and bathing places, including rules for customers' health and safety.