Hawaii Swimming Pool Contractor (C-49) Exam - Online Practice Questions

Prepare for the Hawaii Swimming Pool Contractor (C-49) examination with online practice questions designed to reinforce swimming pool construction, estimating, sizing, filtration, water treatment, circulation systems, pool and spa installation, equipment piping, testing, gas piping, heaters, electrical concepts, fencing, concrete construction, reinforcing steel, shotcrete, excavation, and OSHA construction safety.

This online practice-question product includes 3 months access, giving candidates time to review swimming pool construction concepts, strengthen calculation skills, practice equipment and piping questions, identify weaker subjects, and build a consistent study routine before taking the Hawaii C-49 contractor examination.

The Hawaii C-49 Swimming Pool Contractor classification covers construction and repair of concrete, gunite, metal, and plastic pools, along with whirlpool baths, hot tubs, Jacuzzis, pool decks, and walkways. The classification also includes extensive pool-system work directly connected with swimming pool construction.

The C-49 scope includes installation and repair of water and gas service lines from the closest point of service to pool equipment, pool piping, fittings, backflow prevention devices, pumps, heaters, chlorine dispensers, pool plastering, interior finishes and sealing, ceramic tile, coping, swimming pool accessories, safety devices, protective fences when included in the original contract, and excavation and grading associated with swimming pool construction.

The Hawaii C-49 examination contains 50 questions. Candidates receive 120 minutes, or 2 hours, to complete the examination and must achieve a minimum passing score of 75%.

This examination is CLOSED book. The technical references associated with this product are used for study but are not permitted during the official examination. Candidates should develop enough familiarity with pool systems, construction methods, calculations, concrete, piping, safety, and equipment to answer questions without relying on reference lookup.

Study references include the International Plumbing Code, 2018, International Fuel Gas Code, 2018, Pool and Spa Operator Handbook, Design and Control of Concrete Mixtures by Steven H. Kosmatka and William C. Panarese, 17th Edition, 2021, The Contractor's Guide to Quality Concrete Construction, 4th Edition, Placing Reinforcing Bars, Guide to Shotcrete, 2022, Pipe and Excavation Contracting, and Code of Federal Regulations - 29 CFR Part 1926 (OSHA).

Exam Details

The Hawaii Swimming Pool Contractor C-49 examination contains 50 questions. Candidates receive 120 minutes to complete the examination, and the minimum passing score is 75%.

The examination content outline includes the following major subject areas:

• Calculations, Estimating, and Sizing: 26%
• Filtration Systems: 15%
• Water Treatment Systems: 14%
• Installation of Pools and Spas: 12%
• Equipment Piping and Testing: 9%
• Fuel Gas Piping and Heaters: 9%
• Electrical: 6%
• Circulation Systems: 5%
• Fencing: 4%

Calculations, Estimating, and Sizing is the largest examination category at 26%. Candidates should devote substantial preparation time to pool volume, surface area, flow, turnover-related calculations, equipment sizing concepts, piping quantities, concrete quantities, and other practical job calculations.

Filtration Systems account for 15%, while Water Treatment Systems account for 14%. Together, these subjects make pool operation and water quality a major part of C-49 preparation.

Installation of Pools and Spas represents 12%. Equipment Piping and Testing and Fuel Gas Piping and Heaters each represent 9%. Electrical represents 6%, Circulation Systems 5%, and Fencing 4%.

Closed Book Test

This examination is CLOSED book.

The technical books listed with this product should be used during preparation but are not permitted for consultation during the official examination.

Closed-book preparation should focus on understanding how swimming pool systems work together. Candidates should be able to connect circulation, filtration, water treatment, plumbing, heaters, concrete construction, excavation, and safety without depending on a reference for each question.

Calculations should also be practiced without assistance from the books. Become comfortable identifying the correct formula, organizing the available information, maintaining consistent units, and checking whether the final answer is reasonable.

With 50 questions in 120 minutes, candidates have an average of approximately 2 minutes and 24 seconds per question. Efficient recall helps preserve additional time for calculations and more detailed equipment scenarios.

Licensing Steps

1. Confirm that C-49 matches your intended work. Hawaii identifies C-49 as the Swimming Pool Contractor classification.
2. Complete the applicable Hawaii contractor license application. Contractor licensing is administered through the Hawaii Department of Commerce and Consumer Affairs, Professional and Vocational Licensing Division.
3. Document qualifying experience. Applicants must demonstrate experience that satisfies the Contractors License Board requirements for the classification sought.
4. Receive Contractors License Board approval. Applicants must receive approval before proceeding with contractor examination registration.
5. Register for the required examination. Approved candidates receive the information needed to schedule the required contractor testing.
6. Prepare for the C-49 trade examination. Review calculations, pool installation, filtration, water treatment, circulation, equipment piping, gas systems, electrical concepts, fencing, concrete, excavation, and safety.
7. Pass the C-49 examination. The examination contains 50 questions, allows 120 minutes, and requires a 75% passing score.
8. Complete the applicable Business and Law examination. New Hawaii contractor applicants must also satisfy the Business and Law examination requirement when applicable.
9. Complete remaining licensing requirements. Applicants must satisfy all applicable Contractors License Board requirements before a Hawaii contractor license is issued.

State Requirements

Hawaii contractor licensing is regulated by the Contractors License Board under the Department of Commerce and Consumer Affairs, Professional and Vocational Licensing Division.

The C-49 Swimming Pool Contractor classification authorizes the construction and repair of concrete, gunite, metal, and plastic pools as well as whirlpool baths, hot tubs, Jacuzzis, pool decks, and walkways.

The classification also includes water and gas service lines from the closest point of service to pool equipment, pool piping and fittings, backflow prevention devices, pumps, heaters, and chlorine dispensers.

C-49 work can also include pool plastering, interior finishing and sealing, ceramic tile, coping, swimming pool accessories, safety devices, and protective fencing when the fence is included in the original contract.

Excavation and grading performed in connection with swimming pool construction are also within the C-49 scope.

Passing the C-49 examination alone does not automatically issue a Hawaii contractor license. Applicants must also satisfy applicable Business and Law examination, experience, application, financial, insurance, entity, and other Contractors License Board requirements.

Reference Books

• International Plumbing Code, 2018
  Supports preparation involving water piping, drainage, fittings, joints, backflow prevention, testing, piping materials, and plumbing concepts applicable to swimming pool installations.
• International Fuel Gas Code, 2018
  Supports study involving fuel gas piping, sizing principles, valves, connections, combustion-related requirements, and pool heater installations.
• Pool and Spa Operator Handbook
  Supports preparation involving circulation, filtration, pool water chemistry, treatment systems, sanitation, equipment operation, and pool maintenance concepts.
• Design and Control of Concrete Mixtures, Steven H. Kosmatka and William C. Panarese, 17th Edition, 2021
  Supports preparation involving concrete materials, mixture properties, aggregates, cementitious materials, water, admixtures, workability, durability, placement, and concrete performance.
• The Contractor's Guide to Quality Concrete Construction - 4th Edition
  Supports study involving concrete preparation, reinforcement, placement, consolidation, finishing, curing, quality practices, formwork, and concrete construction methods.
• Placing Reinforcing Bars
  Supports preparation involving reinforcing steel, bar placement, supports, spacing, laps, ties, cover, detailing, and coordination of reinforcement with concrete construction.
• Guide to Shotcrete, 2022
  Supports study involving shotcrete materials, equipment, placement techniques, reinforcement, surface preparation, finishing, curing, quality practices, and construction applications relevant to pool shells.
• Pipe and Excavation Contracting
  Supports preparation involving excavation, trenching, grading, piping, bedding, backfill, equipment, quantities, and practical underground utility construction.
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  Supports preparation involving excavation safety, concrete work, personal protective equipment, ladders, tools, electrical hazards, material handling, and other OSHA construction requirements.

Test Information and Study Materials

A strong Hawaii C-49 preparation plan should begin with Calculations, Estimating, and Sizing, the largest examination category.

Practice calculating pool volume from dimensions and shape. Rectangular pools, circular sections, changing depths, spas, and irregular configurations can require different approaches.

Keep units consistent throughout each calculation. Incorrect conversion between cubic feet, gallons, feet, inches, flow rates, and time can cause an otherwise correct method to produce the wrong answer.

Review flow and circulation calculations. Candidates should understand how pool volume, flow rate, piping, pumps, filtration equipment, and circulation requirements relate to one another.

Estimating should also include concrete quantities. Pool shells, decks, equipment pads, and related construction can require volume calculations and material planning.

Filtration Systems represent 15% of the examination. Study the purpose of filtration and the operating characteristics of pool filtration equipment.

Understand how filters work within the circulation system and why proper flow through the filter is important. Candidates should be familiar with general concepts involving filter performance, maintenance, pressure, and cleaning.

Water Treatment Systems account for 14%. Use the Pool and Spa Operator Handbook to study sanitation and water-balance principles.

Review concepts involving pH, disinfectant levels, alkalinity, hardness, water clarity, and chemical treatment. Candidates should understand how water conditions can affect swimmers, equipment, finishes, and sanitation.

A strong preparation approach focuses on relationships rather than memorizing isolated numbers. For example, changing water chemistry can affect corrosion, scaling, sanitizer performance, and swimmer comfort.

Installation of Pools and Spas represents 12%. Study excavation, layout, pool shell construction, reinforcement, shotcrete or concrete placement, piping coordination, deck work, finishes, and equipment installation.

The C-49 scope includes concrete and gunite pool construction, making concrete technology an important study area.

Review concrete ingredients and understand how water, cementitious materials, aggregates, and admixtures affect fresh and hardened concrete.

Reinforcing steel helps pool structures resist imposed loads and stresses. Study bar placement, spacing, supports, laps, cover, tying, and coordination with embedded piping or fixtures.

The Placing Reinforcing Bars reference can help reinforce practical reinforcement concepts, while the concrete references support mixture, placement, consolidation, finishing, and curing knowledge.

Shotcrete is particularly relevant to swimming pool construction. Review surface preparation, equipment, nozzle operations, placement around reinforcement, consolidation characteristics, finishing, curing, and quality-control concepts.

The Guide to Shotcrete, 2022 supports preparation for these specialized installation methods.

Study how pool piping and embedded components should be coordinated before concrete or shotcrete placement. Correcting misplaced piping after the shell is complete can be difficult and costly.

Equipment Piping and Testing represents 9% of the examination. Review pipe materials, sizing concepts, fittings, valves, equipment connections, pressure testing, and installation workmanship.

Understand the importance of reducing unnecessary restrictions in piping systems. Fittings, pipe diameter, layout, valves, and equipment all influence system performance.

Study backflow prevention concepts because backflow prevention devices are specifically included within the C-49 classification scope.

Fuel Gas Piping and Heaters also represents 9%. Use the International Fuel Gas Code to review gas piping, valves, connections, equipment installation, and general heater-related concepts.

Pool heaters require proper fuel supply and safe installation. Candidates should understand the relationship between piping, fuel delivery, equipment requirements, combustion, and safe operation.

Electrical accounts for 6% of the examination. Swimming pools present special electrical hazards because electrical equipment operates in an environment where people and water are in close proximity.

Study general concepts involving pool equipment, lighting, grounding, bonding, and electrical safety at the level relevant to swimming pool construction.

Circulation Systems account for 5%. Review suction and return piping, pumps, inlets, outlets, circulation patterns, valves, and equipment arrangement.

A pool circulation system must move water through treatment and filtration equipment and return it effectively to the pool. Candidates should understand the overall flow path from the pool through equipment and back to the pool.

Fencing represents 4% of the examination. Protective fences can be included in the C-49 scope when they are part of the original swimming pool contract.

Review the purpose of pool barriers and safety devices. Barrier systems are intended to limit unsupervised access and contribute to safer pool environments.

Excavation and grading should also receive attention. Pool construction often begins with significant earthwork, and the C-49 classification expressly includes excavation and grading connected with pool construction.

Study soil conditions, excavation dimensions, equipment operation, slopes, grades, spoil placement, groundwater, and preparation for structural work.

OSHA safety is relevant throughout pool construction. Review excavation hazards, concrete operations, reinforcing steel, hand and power tools, electrical hazards, personal protective equipment, material handling, and access.

Excavations can create cave-in, fall, water accumulation, utility, and equipment hazards. Use 29 CFR Part 1926 to strengthen safe-work knowledge.

Concrete and shotcrete work can involve wet cement exposure, pumps, hoses, reinforcing steel, silica, and heavy equipment. Candidates should understand the importance of appropriate controls and personal protective equipment.

Use the International Plumbing Code, 2018 to reinforce piping, drainage, testing, and backflow concepts, and use the International Fuel Gas Code, 2018 for heater and gas piping preparation.

Use the Pool and Spa Operator Handbook to strengthen filtration, circulation, sanitation, and water-treatment knowledge.

Use the concrete, reinforcing, and shotcrete references together. Swimming pool structural work involves materials, reinforcement, placement, and finishing as interconnected subjects.

Because the examination is closed book, gradually reduce reliance on references as preparation progresses. Study a subject, answer practice questions from memory, and then return to the book to investigate missed concepts.

Track missed questions by category. If calculations are difficult, practice pool volume, flow, sizing, and material quantities. If filtration or water treatment is weaker, dedicate additional study sessions to equipment operation and pool chemistry.

As examination day approaches, use mixed-topic practice that moves between calculations, filtration, treatment, installation, piping, gas systems, electrical concepts, circulation, and fencing.

The included 3 months access provides time to progress from individual-topic review into calculation practice, weak-area correction, mixed-question preparation, and closed-book exam study.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Hawaii Swimming Pool Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, calculation practice, and confidence-building study structure.

The online practice questions help candidates actively apply swimming pool construction knowledge rather than relying only on passive reading. Practice can reinforce calculations, filtration, water treatment, circulation, equipment piping, pool construction, concrete, shotcrete, heaters, excavation, and safety.

Because the official Hawaii C-49 examination is closed book, repeated practice can help strengthen recall and improve the ability to apply trade concepts without consulting technical references during every question.

The listed study references can be used to investigate missed questions, reinforce unfamiliar subjects, and build stronger understanding before returning to closed-book practice.

Calculation-focused preparation helps candidates become more comfortable with pool dimensions, volumes, flow, equipment sizing, piping, and material quantities.

With 3 months access included, candidates can establish a consistent study schedule, revisit difficult subjects, strengthen calculation skills, and build familiarity with the major C-49 examination categories.

The goal is to help candidates approach the Hawaii C-49 Swimming Pool Contractor examination with stronger pool construction knowledge, better calculation skills, improved equipment and water-treatment understanding, greater safety awareness, and an organized study process without guaranteeing a passing score or Hawaii contractor license.

How many questions are on the Hawaii C-49 Swimming Pool Contractor exam?

The Hawaii C-49 examination contains 50 questions.

How much time is allowed for the Hawaii C-49 examination?

Candidates receive 120 minutes, or 2 hours, to complete the examination.

What score is required to pass the Hawaii C-49 exam?

The minimum passing score is 75%.

Is the Hawaii Swimming Pool Contractor examination open book?

No. This examination is CLOSED book.

What is the largest subject on the Hawaii C-49 exam?

Calculations, Estimating, and Sizing is the largest category, representing 26% of the examination.

Does the exam cover filtration systems?

Yes. Filtration Systems represent 15% of the examination.

Does the C-49 exam cover pool water treatment?

Yes. Water Treatment Systems represent 14% of the examination.

Does the exam include pool and spa installation?

Yes. Installation of Pools and Spas represents 12% of the examination.

Does the C-49 exam cover gas piping and pool heaters?

Yes. Fuel Gas Piping and Heaters represents 9% of the examination.

Does the exam include equipment piping and testing?

Yes. Equipment Piping and Testing represents 9% of the examination.

Does the Hawaii C-49 exam include electrical concepts?

Yes. Electrical represents 6% of the examination.

Does the C-49 examination cover pool circulation?

Yes. Circulation Systems represent 5% of the examination.

Can a Hawaii C-49 contractor construct concrete and gunite pools?

Yes. Hawaii's C-49 classification includes construction and repair of concrete and gunite pools, along with other pool types included within the classification scope.

Can a C-49 contractor install pool pumps and heaters?

Yes. Pumps and heaters are specifically included within the Hawaii C-49 classification scope.

Can a Hawaii C-49 contractor perform excavation and grading?

Yes. Excavation and grading performed in connection with swimming pool construction are included within the C-49 classification.

Can a C-49 contractor install protective pool fencing?

Yes. Protective fences are included within the C-49 scope when they are part of the original swimming pool contract.

How long do I have access to the online practice questions?

This product includes 3 months access.

Does passing the C-49 exam automatically issue a Hawaii contractor license?

No. Applicants must also satisfy Hawaii's applicable Business and Law examination, experience, application, financial, insurance, and other Contractors License Board requirements.

Does this product guarantee that I will pass the Hawaii C-49 examination?

No. These online practice questions are designed to support organized preparation. Examination performance depends on each candidate's study, swimming pool construction experience, calculation skills, equipment knowledge, safety awareness, and performance on test day.