26-8706_Exhibit_J3_Aquatic_Specifications.pdf

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Attached to
Immokalee Sports Complex Phase 2
Solicitation number
26-8706
Issued by
Collier County, Florida

About this file

This is a specifications document for the Immokalee Sports Complex Phase 2 project in Collier County, Florida, a construction bid (No. 26-8706) advertised on November 12, 2026, with sealed bids due no later than January 14, 2027, at 3:00 p.m. local time. The document, prepared by Water Technology, Inc., outlines comprehensive specifications for Division 13 11 (Pools) and includes detailed indices for pool-related work encompassing general pool construction, startup and maintenance training, concrete, piping, valves, pumps, filters, disinfection equipment, chemical systems, heating systems, safety finishes, tile work, and pool play equipment. The project involves the construction of Pool A (a multi-sectional pool combining zero-depth entry, leisure, lap swimming, and water slide plunge areas) and Pool B (a splash pad), along with associated mechanical systems, interior finishes, deck equipment, and electrical interlocking systems. A non-mandatory pre-bid meeting is scheduled for November 19, 2026, at 11:00 a.m. at the Collier County Procurement Services Division in Naples, Florida. Prospective bidders must register through https://procurement.opengov.com/portal/collier-county-fl to obtain complete bid documents.

The specifications establish that work includes pool vessel construction, recirculation and filtration systems, heating systems, waterslide mechanical systems, chemical treatment systems, low-voltage wiring, and testing equipment in compliance with standards set by the Association of Pool and Spa Professionals, National Electrical Code, National Sanitation Foundation, American Society for Testing and Materials, and applicable governmental health and building codes including ADA accessibility guidelines. The contractor is responsible for layout, excavation, stone fill, shop drawings preparation, and coordination of all mechanical, electrical, and equipment elements with other trade contractors. The document clarifies that "delegated design" elements require the contractor to provide design services or certifications from a licensed design professional in accordance with performance and design criteria specified by the Owner and Architect, with the contractor entitled to rely upon the adequacy and accuracy of those criteria.

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WTI SPECIFICATIONS INDEX

Municipal

# Title

131113 Pool General

131114 Pool Start up, Maintenance & Operations Training

131118 Pool Concrete

131120 Pool Pipe and Pipe Fittings

131123 Pool Pipe Supports

131124 Pool Valves

131125 Pool Centrifugal Pumps

131126 Pool Pump VFD

131130 Pool Regenerative Media Filters

131135 Pool Ultraviolet Disinfection Equipment

131137 Pool Chemical Systems and Controls

131140 Pool Heating Systems

131142 Perimeter Overflow Gutter Grating

131145 Pool Rail Goods

131146 Pool Equipment

131147 Pool Play Equipment

131160 Pool Quartz Aggregate Finish

131161 Pool Ceramic Tile

131162 Safety Finish

131165 Water Flume Ride

Immokalee Outdoor Aquatic Complex 13 11 13-1 Job # 23499 05/11/2026 ©2026 Water Technology, Inc.

SECTION 13 11 13

POOL GENERAL

1. GENERAL

1.01 SECTION INCLUDES

A. Project administrative requirements that relate to Division 13 11 Pools.

1.02 RELATED DOCUMENTS

A. Drawings and Contracting Requirements, including General and Supplementary Conditions and Division 01 - General Requirements, apply to this Section.

B. The following contain requirements that relate in Division 13 11:

1. Mechanical/Electrical/Equipment Coordination: General Conditions, Supplementary

General Conditions and Division 01 General Requirements

2. Earth Work and Pool Excavation: Division 31

3. Concrete Deck Work: Division 03

4. Mechanical: Plumbing Systems - Division 22, HVAC Systems and Equipment - Division

5. Electrical: Division 26

C. Applicable requirements of the following Codes and Standards apply to Work in Division 13 11:

1. Association of Pool and Spa Professionals (APSP)

a. Minimum Standard for Public Swimming Pools

2. National Electrical Code (NEC)

3. National Sanitation Foundation (NSF): Seal of Approval Program

4. American Society for Testing and Materials (ASTM): Specifications referenced herein.

5. Governmental Health and Building Codes

6. ADA Accessibility Guidelines for Buildings and Facilities

7. American National Standards Institute

1.03 REFERENCES

A. Refer to individual Division 13 11 sections.

1.04 DESCRIPTION OF WORK

A. Work of Division 13 11 includes, but is not limited to, the following:

1. Layout of all pool(s) and pool related work required under Division 13 11.

2. Project benchmarks and control points.

3. Excavation and stone fill as required for pool tank structure and pipe trenching. Refer to

Division 01 and 31 for special conditions.

4. Pool vessels, as detailed on Contract Drawings and Shop Drawings.

5. Pool mechanical systems, including piping, recirculation system, filtration system, activity mechanical systems and water chemical treatment system.

6. Heating system for swimming pool. Coordinate venting and interlocking for pool heater(s) with HVAC Contractor.

7. Waterslide and water activity mechanical systems including all piping.

8. Interior pool finishes.

Immokalee Outdoor Aquatic Complex 13 11 13-2 Job # 23499

9. Pool deck equipment and accessory equipment shown and/or specified, including required anchors embedded within the pool deck and coordination with Deck Contractor.

10. Coordination of all electrical interlocks for pool and pool related equipment.

11. Miscellaneous pool testing, safety and control equipment.

12. Low voltage wiring for pool and pool related equipment is installed and connected by the

Swimming Pool Contractor unless required otherwise by code. Where code requires that low voltage wiring is installed by a licensed electrical contractor, low voltage wiring is specified in Electrical Documents.

B. Definitions

a. The term "pool" as used in Division 13 11 shall refer to the following: - Pool A - Multi-sectional pool: Combination zero-depth entry/leisure, lap swimming and water slide plunge.

b. Pool B – Splash Pad

1. The term "concrete" as used in Division 13 11 refers to concrete for swimming pool construction only.

2. The term "Architect/Engineer" as used in Division 13 11 refers to the swimming pool designer only.

3. The term "Contractor" as used in Division 13 11 refers to the swimming pool contractor only.

4. DELEGATED DESIGN: The term "delegated design" as used in Division 13 11 refers to

Elements of the pool or pool systems which require the contractor to provide design services or certifications of a design professional licensed in the project location. The Owner and the Architect will specify performance and design criteria that such services must satisfy. The contractor shall be entitled to rely upon the adequacy and accuracy of the performance and design criteria provided in the contract documents. As may be required by the local jurisdiction, the contractor shall cause such services and or certifications to be provided by a properly licensed design professional, whose signatures and seal shall appear on all drawings, specifications, certifications, shop drawings, and other submittals prepared by such professional.

5. The term “Low Voltage Wiring” as used in Division 13 11 includes wiring <= 24V. All Low Voltage Wiring is Provided with the Equipment. Low voltage wiring is shown in Low Voltage Wiring Diagram included in the pool drawings except where specified by Electrical Consultant.

6. The term “Control Wiring” as used in Division 13 11 refers to connections from individual equipment components to the Building Management System (BMS).

C. Applicable Code Permit and Inspection Responsibilities.

1. State and/or County Health Department permit fees by Owner.

2. Local Departments of Health inspection fees by Contractor.

3. Other permits/fees required paid by Contractor.

4. Scheduling of Required Inspections – Contractor

5. Documentation and Submission of accepted modifications to approved plans to Permit

Authorities – Contractor.

D. Related Work Not in Division 13 11 Specified Elsewhere

1. Pool deck construction, including finishes, sealants, and drains.

2. Potable water or fresh water: Fresh water connection to auto fill and wastewater connections (see Contract Drawings).

3. Pool electrical work: Electrical connections shall be by the General Construction

Contract Electrical Sub-Contractor. The Pool Contractor shall provide the filter pumps, motors, solenoids, relays, water level probes (with housing), motorized valves, etc., as shown on Contract Drawings and required by pool systems equipment manufacturer.

The Electrical Contractor shall install and wire electrical equipment furnished by the Pool Contractor and shall provide motor starters and disconnect switches as indicated or

Immokalee Outdoor Aquatic Complex 13 11 13-3 Job # 23499 required by Codes. The Electrical Contractor shall provide grounding and bonding per NEC Article 680.

4. Control Wiring for all electrical and HVAC equipment shall be by the control system sub-contractor.

5. Heating system for pools, heater by the Pool Contractor; venting and controls by Division 23.

6. Surge Tank Ventilation System

a. All surge tank equipment shall be purchased and installed by the Pool Contractor.

b. All surge tank ventilation and plumbing shall be purchased and installed by the

Mechanical Contractor.

c. All plumbing shall be Schedule 40 PVC.

d. Exhaust fan shall be of non-corrosive materials, Plastec 20 model PLA 20, or approved equal.

e. Pool Contractor to coordinate surge tank penetrations with Mechanical Contractor.

f. The Electrical Contractor shall provide all wiring, bonding, and grounding per NEC

Article 680.

1.05 QUALITY ASSURANCE

A. Qualifications of Pool Contractor:

1. Work of Division 13 11 shall be performed by a Pool Contractor who has a minimum of five (5) projects with a proven five (5) year record of competence and experience in the construction of similar facilities of this size and complexity.

2. Pool Contractor prequalification is required prior to bid. This must be received by the Architect fourteen (14) days prior to the bid date on the appropriate AIA form. (AIA A305)

3. Pool Contractor shall meet all Local and State Certifications and License requirements prior to bidding. Copies of the required Certificates and Licenses shall be made available upon request.

B. Performance Criteria: Certain sections of Division 13 11 contain performance criteria rather than product descriptions. It shall be the obligation of the Pool Contractor to ensure that all criteria are satisfied and the burden of proof of conformance shall rest with the Pool Contractor. The Architect/Engineer shall require complete calculations, past performance records and, if required, inspection trips of similar facilities to substantiate conformance with these criteria. The Architect/Engineer shall be sole judge of conformance, and the Pool Contractor is cautioned that he will be required to provide a finished product meeting all stated criteria and meeting or exceeding Department of Public Health requirements.

C. All work of Division 13 11 shall be performed by the qualified Pool Contractor or a Subcontractor to the qualified Pool Contractor unless otherwise pre-approved in writing by the Architect/Engineer. A representative of the Pool Contractor shall oversee work subcontracted by the Pool Contractor.

D. The following shall be performed during construction of the project.

1. Refer to General Conditions, Division 01, and other Division 13 11 sections for further requirements.

1.06 SUBMITTALS

A. Submittals Required

1. Refer to General Conditions, Division 01, and individual Division 13 11 sections for number required.

2. The Contractor shall submit for approval to the Architect/Engineer complete lists, including descriptions, catalogs, product cut sheets, etc., and where applicable dimensioned shop drawings of all material, fixtures, and equipment to be furnished and installed as part of Division 13 11.

Immokalee Outdoor Aquatic Complex 13 11 13-4 Job # 23499

3. Submittals shall adequately and completely describe the equipment, including where necessary or requested complete construction and installation dimensions, complete capacity and performance data, all accessories and auxiliary equipment and all pertinent details of manufacture.

a. Submittals shall be provided in Adobe PDF electronic file format via email file size (10

MB max.). Create PDFs at native size and right-side up; illegible, partial, unlabeled, or unorganized submittal sections will be returned rejected. Contractor shall make their own copies from the original returned by the Architect.

B. Product Data: Provide manufacturer's/installer's written installation instructions.

C. Shop Drawings

1. The drawings accompanying this Specification are diagrammatic in nature and show the general arrangement of all equipment, piping, ductwork, services, etc. Because of the small scale of the drawings, it is not possible to show all offsets, fittings and accessories that may be required. The Contractor shall carefully investigate the structural and finish conditions of his work and shall arrange such work accordingly; furnishing all fittings, pipe and accessories that may be required to meet such conditions. Where conditions necessitate a rearrangement, the Contractor shall obtain the Architect/Engineer's approval.

2. Shop drawings for equipment shall be submitted, and Engineer’s review of shop drawing shall be obtained before proceeding with fabrication. Shop drawings shall not be "doctored" reproductions of Architect/Engineer’s drawings.

D. Samples: Submit samples of materials, finishes, and trim as requested by the Architect/Engineer.

E. Schedule of Values

1. Provide Architect/Engineer with a copy of the Schedule of Values developed for this project relevant to Division 13 11 for approval.

F. Valve Charts: Submit two (2) copies of valve charts for each piping system, consisting of Isometric Drawings or piping layouts showing and identifying each valve and describing its function to the Architect/Engineer for approval.

1. Upon completion of the Work, one (1) copy of each chart sealed to rigid backboard with clear lacquer placed under glass and framed, shall be hung in a conspicuous location in the equipment room.

G. Furnish to the Architect/Engineer the following:

1. Refer to individual Division 13 11 sections for additional requirements.

2. Submittals

a. Shotcrete Nozzle Man Qualifications and Certifications

b. Pool Finish Experience/Qualification Requirements

c. Concrete Mix Design

d. Non-shrink Grouts

e. PVC and Pre-formed Plastic Adhesive Waterstop

f. Expansion/Construction Joint Materials

g. Caulking/Sealants

h. Pumps and Strainers

i. Heater(s)

j. Chemical Controller(s)

k. Chemical Feeders

l. Bulk Chemical Storage Tanks

m. Valves

n. Gauges

o. Flow Meters

Immokalee Outdoor Aquatic Complex 13 11 13-5 Job # 23499

p. Thermometers

q. Pool Water Test Kit

r. Inlets

s. Grating

t. Pre-fabricated Submerged Outlets

u. Under Water Pool Lighting

v. Deck Equipment

w. Safety Equipment

x. Maintenance Equipment

y. Piping Materials (pipe, fittings, solvents, cements)

z. Wall Sleeves and Seals for Piping

aa. Tile Setting Materials and Joint Fillers

3. Shop Drawings

a. Reinforcing Steel

b. Pool Play Equipment & Water Activities

c. Filters

d. Precast Pool Coping Stone

e. UV Disinfection System

f. Concrete Pump Pit & Surge Tank Penetration Drawings

g. Water Flume Rides/Towers

4. Test Results

a. Water Treatment Analysis

b. Compaction

c. Piping Pressure Testing

5. Samples

a. Special Aggregate – Factory and Field Applied

b. Tile

c. Gratings

6. Guarantees/Warranties

a. Standard 1-Year

b. Standard 5-Year on Quartz Aggregate Finish

c. Standard 2-Year on Pool Finish Application

d. Special Equipment – Standard Manufacturer’s Warranty

e. Future 3-Days of Instruction and Operational Checkout

7. Close Out Documents

a. O & M Manuals

b. Record Drawings

c. Owner’s Certification of Instruction

d. Extra Materials

1.07 SUBSTITUTIONS

A. Refer to General Requirements and Division 01.

B. Along with the Shop Drawings, the Contractor shall submit, in duplicate, a certificate properly attested, stating the material, equipment, and construction comply with the requirements of the Contract Documents, for all equipment and materials proposed as a Substitute for the specified equipment and materials.

1.08 DELIVERY, STORAGE, AND HANDLING

A. Refer to General Requirements and Division 01 of the Specifications for additional requirements.

Immokalee Outdoor Aquatic Complex 13 11 13-6 Job # 23499

B. Deliver all materials and equipment to the work site in original packages, fully identified with manufacturer's label. Store off ground and protect from weather with a suitable covering.

C. Protect plastic pipe from exposure to chemicals (aromatic hydrocarbons, halogenated hydrocarbons and other esters and keytones) that might attack the material. Protect all pipes from mechanical damage and long exposure to sunlight during storage.

1.09 WARRANTIES

A. Warranty: Provide one (1) year warranty covering all pool workmanship, materials, and equipment. Refer to General Requirements and Division 01 of the Specifications for additional requirements.

B. All standard manufacturer's warranties shall apply to all equipment and products provided by this Contractor.

2. PRODUCTS

2.01 NOT USED

3. EXECUTION

3.01 EQUIPMENT BASES AND SUPPORTS

A. Provide for major equipment, reinforced concrete housekeeping bases poured directly on structural floor slabs (or as required by equipment manufacturer) 4 inches thick minimum;

unless noted otherwise on plans, extended 4 inches beyond machinery bedplates. Provide templates, anchor bolts, vibration isolators, and accessories required for mounting and anchoring equipment. Anchorage system shall be in accordance with the equipment manufacturer's specifications and local code requirements. Consult with equipment manufacturer for length and installation of anchor bolts.

3.02 CLEAN UP AND PROTECTION

A. After work of Division 13 11 has been completed, cleanup work areas and remove all equipment, excess materials, and debris. Protect pool from damage until substantial completion. Remove and replace equipment and finishes that are chipped, cracked, abraded, improperly adhered, or otherwise damaged.

B. At turnover to Owner, Contractor shall be responsible for, but not limited to, the following:

1. Vacuuming and cleaning all pool floors, steps, and walls.

2. Cleaning all depth marker tiles, pool tile and gutter grating.

3. Cleaning and waxing of all pool deck equipment, water features and stainless-steel products per Manufacturer’s instructions.

4. See also Division 01 Specification requirements.

END OF SECTION

Immokalee Outdoor Aquatic Complex 13 11 14-1 Job # 23499

SECTION 13 11 14

POOL START-UP, MAINTENANCE & OPERATIONS TRAINING

1. GENERAL

1.01 SECTION INCLUDES

A. Pool start-up and chemical balancing of water.

B. Training of the Owner’s personnel in pool operations procedures.

1.02 RELATED DOCUMENTS

A. Drawings and Contracting Requirements, including General and Supplementary Conditions and Division 01 - General Requirements, apply to this Section.

1.03 DESCRIPTION OF WORK

A. Water treatment and balancing.

B. Operations and maintenance instruction and manuals.

1.04 SUBMITTALS

A. Operations and Maintenance (O&M) Manual

1. Pool Contractor shall deliver to the Architect/Engineer water sample location, analysis test results, SI calculation, and chemical adjustment calculations per Part 3.03.

2. Pool Contractor shall deliver to the Architect/Engineer, bound together in a three-ring binder a complete manual, four (4) complete sets of operating and maintenance instructions for the swimming pool structure(s), finishes, and all component equipment.

O&M Manual shall include, but is not limited to, the following:

a. Table of contents.

b. All equipment cut sheets.

c. Accurate parts lists.

d. Pool start-up, emptying, and winterization instructions.

e. Pool equipment commissioning certifications.

f. Pool and equipment operation and maintenance training certifications.

g. Pool cleaning instructions.

h. Pool maintenance requirements, divided into the following:

1) Daily

2) Weekly

3) Monthly

4) Seasonally

5) Annually

i. Narrative on the pool operation through all sequences.

j. A DVD of complete start-up and shut-down procedures and training session.

k. Trouble shooting information and procedures.

l. A schematic of piping as installed.

m. Valve charts for each piping system, consisting of isometric drawings or piping layouts showing and identifying each valve and describing its function.

n. Copy of Measurement Certification of Permanent Racing Course

o. Record Drawings

p. Warranties

Immokalee Outdoor Aquatic Complex 13 11 14-2 Job # 23499

2. MATERIALS

2.01 NOT USED

3. EXECUTION

3.01 EQUIPMENT START-UP & COMMISSIONING

A. Provide pool equipment start-up and commissioning services. See individual pool equipment specification sections and provide services in accordance with all specification requirements.

Provide Equipment Commissioning Certifications. Certifications to include date/s of commissioning activities, a summary of the commissioning work performed, signature of commissioning agent/s, and a Certification statement that equipment has been properly installed and commissioned per the manufacturer’s requirements. Include copies of all equipment Commissioning Certifications in the Owner’s Operation and Maintenance Manual, and as a Submittal to the Engineer/Architect.

3.02 OPERATIONS & MAINTENANCE INSTRUCTION

A. Provide an experienced swimming pool operator-instructor (NSPF Certified Pool Operator, or equivalent certification) for a period of not less than three (3) days (two (2) full days operations and start-up, and one (1) full day shut-down assistance) after the pool has been filled and initially placed into operation.

1. During this period, the Owner's designated representative(s) shall be thoroughly instructed in all phases of pool and pool equipment operation and maintenance (O&M).

2. At a minimum, the swimming pool training and O&M Manuals must include the following:

a. General pool operations,

b. Pool materials and deck equipment maintenance,

c. Pool fill and operating water level

d. Pool/Equipment start-up, shut-down, and emptying procedures

e. Circulation pumping, pipe, fittings, valves, and ancillary equipment,

f. Filtration equipment,

g. Heating/cooling equipment,

h. Chemical treatment & monitoring systems,

i. Slide and water features

3. Equipment training must be provided by the certified swimming pool operator-instructor and qualified equipment manufacturer representatives. See individual Specification sections for pool materials/equipment training and O&M requirements.

B. Contractor shall obtain written certification from the Owner's designated representative acknowledging that all O&M instructions/training and materials have been provided.

Certification shall include the detailed listing of equipment above with training completion and delivery dates, instructor contact information, and Owner representative’s signatures.

C. Include the cost of three (3) additional days of instruction and operational checkout/verification by an experienced swimming pool operator-instructor during the first year’s operation. Written reports of each of these three (3) visits outlining the pool's operation, competence and performance of the pool's operating personnel and other pertinent comments shall be submitted to the Owner and Architect/Engineer within one week after each visit.

D. Provide a DVD documenting training and operational requirements, including start-up, and emptying procedures.

3.03 WATER TREATMENT AND BALANCING

Immokalee Outdoor Aquatic Complex 13 11 14-3 Job # 23499

A. Obtain a chemical analysis of the source/pool make-up water supply from a location as close as possible to the actual pool autofill. Conduct laboratory testing for the following parameters:

1. Total Alkalinity [Parts per Million (ppm)]

2. pH

3. Calcium Hardness [ppm]

4. Free Chlorine [ppm] & Combined Chlorine [ppm]

5. Total Dissolved Solids (TDS) [ppm]

6. Iron (Must test to a lower detectable limit of <=0.05 ppm)

7. Manganese (Must test to a lower detectable limit of <=0.01 ppm)

8. Copper (Must test to a lower detectable limit of <=0.1 ppm)

9. Cyanuric Acid (CYA) [ppm]

B. The following are ideal ranges for the water analysis test results. If results fall outside these ranges the Contractor shall make chemical adjustments to the water during the pool filling process until values within the ideal ranges are obtained.

1. Total Alkalinity: 80-100 ppm (for high pH disinfectants) 100-120 ppm (for low pH disinfectants)

2. pH: 7.4-7.6

3. Calcium Hardness: 200-400 ppm (Pools), 150-250 ppm (Spas)

4. Free Chlorine: 2.0-4.0 ppm & Combined Chlorine: 0.0-0.2 ppm

5. Total Dissolved Solids: Acceptable Start-up Range is not applicable (Maintain future TDS levels to within 1500 ppm above the start-up measurement)

6. Temperature: Ideal Range is +-2 degrees F from the desired pool operating water temperature.

7. Iron: <=0.05 ppm

8. Manganese: <=0.01 ppm

9. Copper: <=0.1 ppm

C. Contractor shall calculate the Langlier Saturation Index (LSI) using values from the water analysis. The formula for LSI is shown below. Calculations may be made easier using through use of Orenda Technologies Mobil App, or a similar calculator. The LSI values shall fall within an acceptable “balanced” range of -0.3 to +0.5. If the LSI is outside this range OR test values are outside the ideal range listed above, the Pool Contractor shall prepare to add chemicals to the pool water volume as required until all parameters are within the ideal ranges previously listed, and the LSI is considered “balanced”. Contractor is responsible for calculating required chemical additions and for adding all adjustment chemicals up until the time of project completion. Owner is responsible for providing the chemicals.

LSI Equation:

LSI = (pH) + (Temperature factor) + (Calcium factor) + (Alkalinity factor) – (TDS factor) LSI = pH+Tf+Cf+Af-TDSf

Af: The Alkalinity Factor is determined by correcting the Total Alkalinity for Cyanuric Acid (CYA) to find the Carbonate Total Alkalinity. To make this correction, subtract 1/3 of the measured CYA from the total alkalinity. Then use the corrected Carbonate Total Alkalinity to determine the Alkalinity factor (Af).

[Carbonate TA =TA-(CYA/3)]

Immokalee Outdoor Aquatic Complex 13 11 14-4 Job # 23499

D. Contractor shall provide a submittal to the Engineer/Architect after receiving the water analysis. Submittal shall include the following:

1. Water sample location and analysis test results,

2. LSI Calculation,

3. Chemical adjustment calculations indicating the following:

a. Pool Volume

b. Chemical Parameters requiring adjustment

c. Chemicals required to make the adjustments

d. Calculations showing amounts of each chemical addition that is required

E. Contractor shall provide list of required balancing chemicals with quantities to the Owner for Owner purchase immediately after receiving the approved submittal from the Engineer/Architect.

F. The Owner shall be responsible for payment of water required to fill each pool one time for leak testing and a second time for the final pool start-up process. The Contractor shall be responsible for payment of any additional water and chemicals required due to draining and refilling of pools as needed for pool or pool piping repairs.

G. Contractor shall make chemical adjustments to the pool water during the pool startup process based on calculations provided in the approved submittal. It is critical to keep the pool water clean and balanced during the initial fill and while the pool plaster finish is curing. Follow all recommendations of the National Pool Plasterers Council for initial adjustments required during the plaster cure time. See additional requirements in Pool Finish Specification Section/s.

H. Stabilize pool water to within a range of 5 to 15 ppm maximum of cyanuric acid (CYA).

I. Heat pool water to within 5 degrees Fahrenheit of the desired pool operating temperature.

Once this temperature is attained, the Pool Contractor shall enter the chemical controller settings for all chemical parameters. Do not enter chemical controller settings prior to reaching the desired pool operating temperature range.

Immokalee Outdoor Aquatic Complex 13 11 18-1 Job # 23499

SECTION 13 11 18

POOL CONCRETE

1. GENERAL

1.01 SUMMARY

A. Section Includes:

1. Cast-in-Place Concrete to be used for pool floor and wall construction and related structures including surge/collector/balance tanks.

2. Shotcrete alternate to pool wall construction only if Contractor's qualifications have been pre-approved by Architect/Engineer.

3. Concrete used for Aquatic Play Surfaces without safety surfacing

4. Admixtures.

5. Curing and Treatment Requirements.

6. Formwork, shoring, bracing, and anchorage.

7. Concrete reinforcement and accessories.

B. Related Sections:

1. Applicable provisions of Division 01 – General Requirements shall govern all work under this Section

1.02 REFERENCES

A. Incorporated Guides and References:

1. American Concrete Institute (ACI):

a. ACI 302.1R – Guide for Concrete Floor and Slab Construction.

b. ACI 304R – Guide for Measuring, Mixing, Transporting and Placing Concrete.

c. ACI 304.2R - Placing Concrete by Pumping Methods.

d. ACI 305R - Hot Weather Concreting.

e. ACI 309R – Guide for the Consolidation of Concrete.

f. ACI 347 – Guide to Formwork for Concrete.

g. ACI SP-66 – ACI Detailing Manual.

2. Concrete Reinforcing Steel Institute (CRSI):

a. CRSI Manual of Standard Practice

b. CRSI 63 – Recommended Practice for Placing Reinforcing Bars.

3. National Electric Code (NEC):

a. Article 680 – Swimming Pools, Fountains, and Similar Installations.

B. Specifications & Standards:

1. American Concrete Institute (ACI):

a. ACI 117 - Specifications for Tolerances for Concrete Construction and Materials.

b. ACI 301 - Specifications for Structural Concrete.

c. ACI 305.1 – Specification for Hot Weather Concreting.

d. ACI 306.1 – Standard Specification for Cold Weather Concreting.

e. ACI 308.1 – Specification for Curing Concrete.

f. ACI 315 - Details and Detailing of Concrete Reinforcement.

g. ACI 318 - Building Code Requirements for Structural Concrete and Commentary.

h. ACI 350.1 – Specification for Tightness Testing of Environmental Engineering

Concrete Containment Structures

i. ACI 506.2 – Specification for Shotcrete

2. ASTM International (ASTM):

Immokalee Outdoor Aquatic Complex 13 11 18-2 Job # 23499

a. ASTM D2487 – Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)

b. ASTM A615 – Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement.

c. ASTM C31 – Standard Practice for Making and Curing Concrete Test Specimens in the Field.

d. ASTM C33 – Standard Specification for Concrete Aggregates.

e. ASTM C39 – Standard Test Method for Compressive Strength of Cylindrical

Concrete Specimens.

f. ASTM C94 – Standard Specification for Ready-Mixed Concrete.

g. ASTM C143 – Standard Test Method for Slump of Hydraulic-Cement Concrete

h. ASTM C150 – Standard Specification for Portland Cement.

i. ASTM C171 – Standard Specification for Sheet Materials for Curing Concrete.

j. ASTM C172 – Standard Practice for Sampling Freshly Mixed Concrete.

k. ASTM C231 – Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method.

l. ASTM C260 – Standard Specification for Air-Entraining Admixtures for Concrete.

m. ASTM C321 – Standard Test Method for Bond Strength of Chemical-Resistant

Mortars.

n. ASTM C494 – Standard Specification for Chemical Admixtures for Concrete.

o. ASTM C618 – Standard Specification for Coal Fly Ash and Raw or Calcined Natural

Pozzolan for use in Concrete.

p. ASTM C672 – Standard Test Method for Scaling Resistance of Concrete Surfaces

Exposed to Deicing Chemicals

q. ASTM C1602 – Standard Specification for Mixing Water Used in the Production of

Hydraulic Cement Concrete.

r. ASTM D1037 – Standard Test Methods for Evaluating Properties of Wood-Base

Fiber and Particle Panel Materials.

s. ASTM D4541 – Standard Test Methods for Pull-Off Strength of Coatings Using

Portable Adhesion Testers.

t. ASTM E96 – Standard Test Methods for Water Vapor Transmission of Materials.

u. ASTM F2461 - Standard Practice for Manufacture, Construction, Operation, and

Maintenance of Aquatic Play Equipment

3. Standards Australia (AS)

a. AS - 4586 Slip Resistance Classification of New Pedestrian Surface Materials

4. Corps of Engineers:

a. CRD C-527 - Corps of Engineers Specification for Polyvinylchloride Water Stop.

5. NSF International (NSF)

a. NSF/ANSI Standard 61 – Drinking Water System Components

1.03 SUBMITTALS

A. Submit proposed mix design of each class of concrete to Engineer/Architect not later than 10 days after Notice to Proceed or twenty-one (21) days prior to the first concrete placement, whichever comes first.

B. Submit shop drawings of reinforcing steel under provisions of Division 01 – General Requirements.

1. Initial submittal of reinforcement shop drawings shall be complete. No partial submittals will be accepted.

2. Indicate reinforcement sizes, spacing, locations and quantities of reinforcing steel, bending and cutting schedules, splicing, supporting and spacing devices. Include additional reinforcement for opening through concrete structures.

3. Reinforcement placement shop drawings shall conform to ACI SP-66 providing full wall elevations.

Immokalee Outdoor Aquatic Complex 13 11 18-3 Job # 23499

A. Material Certificates: For each of the following, signed by the manufacturers:

1. Cementitious materials.

2. Admixtures.

3. Waterstops.

4. Non-shrink grouts.

5. Expansion Joint Materials.

6. Sealants.

7. Waterproof Bondcoat

B. Material Test Reports: For the following, from a qualified testing agency, indicating compliance with requirements:

1. Aggregates.

2. Concrete Testing

3. Compaction

C. Shotcrete Nozzleman Qualifications.

D. Pool Finish Experience/Qualification Requirements.

1.04 QUALITY ASSURANCE

A. Perform work in accordance with ACI 301, 305.1, and 306.1.

B. Maintain copy of ACI 301 on site.

C. Qualifications of Pool Contractor

1. Work of this Section shall be performed by a Contractor who has a proven record of competence and experience in the construction of similar facilities of this size and complexity for not less than five (5) years. Contractors shall have an established record of reliability.

D. Qualifications of Nozzleman and Gunman

1. Except when shotcrete is applied under a fully automated process, the quality of shotcrete depends largely on the skill of nozzleman and gunman, and the Contractor shall satisfy the Architect/Engineer that the nozzleman has had a minimum of two years’ continuous experience on shotcreting of this type of work, and that the gunman has handled the gun for a period of at least six months. The nozzleman shall show proof of good quality successful shotcreting work similar to that required for this project.

Experience gained on shotcrete and ditch construction will not be considered as experience for qualifying the nozzleman.

E. Concrete Testing: The following tests shall be performed during construction of the project.

Refer to General Conditions and Division 01 for further requirements.

1. Tests to measure slump, entrained air content and compressive strength shall be conducted by independent testing laboratory employed by the Contractor unless noted otherwise in front-end specifications.

a. Provide minimum of two 6 by 12 in. cylinders or three 4 by 8 in. cylinders per 150 cubic yard or fraction thereof for each class of concrete poured each day. Comply with ACI 318 (samples secured - ASTM C172, cylinders prepared and cured - ASTM C31, and tested - ASTM C39). Identify samples moist cure at 70 degrees F for five

(5) days and ship samples to laboratory.

2. Slump and Air Content Tests

a. Perform on concrete from same batch as sampled for strength tests and whenever there is consistency of concrete. Slump tests shall be made in accordance with ASTM C143. Air content tests shall be made in accordance with ASTM C231. If

Immokalee Outdoor Aquatic Complex 13 11 18-4 Job # 23499 measured slump or air content falls outside specified limits, check shall be made immediately on another portion of same sample. In event of second failure, concrete shall not be used in Work.

3. Compliance

a. Average of any three (3) consecutive strength tests for each class of concrete shall be equal to or greater than specified strength, and no individual test shall fall more than 500 psi below specified strength.

b. When tests results are below specified requirements or when tests of field cured cylinders indicate deficiencies in protection and curing, Architect/Engineer may require additional tests in accordance with ACI 318.

F. Wet Mix Process Cylinder Sample

1. Where automated wet mix equipment is used, shotcrete cylinders shall be taken from the mixer or ready-mix truck and tested in accordance with the requirements specified in this Section. Wet mix processes shall only be used with approved automated equipment.

G. Pools, surge tanks, and gutters shall have a water tightness performed per ACI 350.1.

Documentation of testing and results shall be submitted for review. Refer to Water Tightness Test section of this specification.

1.05 REGULATORY REQUIREMENTS

A. Conform to requirements of local, state and federal rules and regulations applicable to Work and Project location.

1.06 ENVIRONMENTAL REQUIREMENTS

A. Cold Weather Concreting

1. Placement and curing of concrete where (1) average daily temperature for three consecutive days is less than 40 degrees F, and (2) air temperature is not greater than 50 degrees F for more than one-half of a 24-hour period from midnight to midnight shall be in accordance with ACI 306.1.

B. Hot Weather Concreting

1. Placement and curing of concrete subject to a combination of (1) rising air temperature

(generally greater than 75 degrees F) and (2) wind and low relative humidity shall be in accordance with ACI 305.1.

2. Contractor shall provide plan for minimizing exposure of concrete to adverse conditions due to combinations of high air temperature, direct sunlight, drying winds, and high concrete temperature.

3. Protect concrete from rapid temperature drop.

4. Pre-wet subgrade and forms.

1.07 WARRANTIES

A. Special 2-Year on Concrete Structure: The Pool Contractor shall guarantee for two (2) years repair of the concrete pool structure.

2. PRODUCTS

2.01 SUBGRADE, SUBBASE AND BACKFILL MATERIALS

A. Pool Subgrade:

1. In-situ soils meeting the Project Geotechnical Report requirements for materials and preparation.

Immokalee Outdoor Aquatic Complex 13 11 18-5 Job # 23499

2. Subgrade soils must meet the soil parameters for pool structural design as stated in the Pool Structural Drawings for:

a. Net allowable soil bearing capacity in pounds per square foot (PSF),

b. Stated equivalent fluid pressure in pounds per square foot per foot (PSF/FT),

c. Ground water elevation

3. Pool subgrade materials shall be free of large rocks, organic matter, and other deleterious substances.

B. Filter Fabric:

1. MIRAFI 140N: Nonwoven polypropylene geotextile barrier, 4.8 oz/yd2, by Tencate

Geosynthetics.

C. Concrete Pool/Tank Subbase & Backfill Materials:

1. Existing subsoil materials shall not be used for pool subbase.

2. Prefabricated Pool Panels: See Pool (PL) drawing details for prefabricated pool wall panel backfill materials and installation requirements. The requirements of this section are for concrete structures only.

3. ASTM D 2487 Class IA Manufactured Aggregate:

a. Aggregate containing little or no fines (clear), including angular, crushed stone or rock, crushed slag, cinders, or shell.

b. Gradation: Open graded, clean: < = 10% Passing No.4 sieve, < 5% Passing No. 200 sieve.

c. Concrete Pool/Tank Subbase: ¾” to 1” nominal sized aggregate.

d. Concrete Pool/Tank backfill: ¾” nominal sized aggregate.

2.02 FORM MATERIALS

A. Plywood Forms: Douglas Fir or Spruce-Pine-Fir species: Sound, undamaged sheets with clean true edges, exterior glue, facing material to provide finish specified.

B. Lumber: Douglas Fir or Spruce species; construction grade or better; with grade stamp clearly visible.

C. Preformed Steel Wall Forms: Minimum 16 gage thick, Vertically and horizontally matched, tight fitting, stiffened to support weight of concrete without deflection detrimental to tolerances and surface appearance.

D. Tubular Column Type: Round, spirally wound laminated fiber material; inside surface treated with release agent.

E. Form Ties for Exposed Surfaces: Plastic cone snap ties with 1-inch outside diameter by 1-inch (nominal) long cones, with no metal within 1-inch of concrete face after removal;

1. Manufacturers:

a. Advance Concrete Formwork, Inc.

b. Dayton Superior.

c. Symons - A Dayton Superior Company.

d. Williams Form Engineering Corporation.

e. Substitutions: As approved by Engineer/Architect.

2.03 SHOTCRETE

A. Mix Design

1. Wet-mix design only. Dry mix, mixed at the nozzle, shall not be allowed.

2. A proven mix design shall be used for all Shotcrete applications.

3. In addition to cylinders, testing of shotcrete shall be done per ACI 506.2.

http://www.advanceconcreteform.com/ https://www.daytonsuperior.com/ https://www.daytonsuperior.com/brands/forming/symons https://www.williamsform.com/

Immokalee Outdoor Aquatic Complex 13 11 18-6 Job # 23499

B. Rebound

1. Rebound materials shall not be reused in any form for shotcrete work and shall never be worked into the construction by the nozzleman.

2.04 REINFORCING STEEL

A. Reinforcing Steel: ASTM A615, 60 ksi yield grade carbon steel deformed bars; uncoated, finish.

B. Reinforcement Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars, welded wire fabric, and dowels in place. Manufacture bar supports according to CRSI's "Manual of Standard Practice" from steel wire, plastic, or precast concrete of greater compressive strength than concrete. Supports shall have a minimum 2" concrete cover on waterside of pool concrete.

2.05 CONCRETE MATERIALS

A. Cementitious Materials

1. Portland Cement: ASTM C150, gray color, Type I except as specified below.

2. Fly Ash: ASTM C618, Class C.

3. Limit cement replacement to 20%.

B. Fine and Coarse Aggregates: ASTM C33.

C. Water: ASTM C1602, clean and not detrimental to concrete.

D. Admixtures

1. Admixtures to be used in the concrete mixture shall be submitted to the Engineer for approval as part of the mixture proportions.

2. Admixtures containing intentionally-added chlorides, sulfides, or nitrides are not permitted.

3. Admixtures shall be certified to NSF/ANSI 61.

4. Air-Entraining Admixture: ASTM C260.

5. Water Reducing Admixture: ASTM C494, Type A.

6. Retarding Admixture: ASTM C494, Type B or Type D.

7. Accelerating Admixture: ASTM C494, Type C or Type E.

8. High-Range Water-Reducing Admixture: ASTM C494, Type F.

9. Workability-Retaining Admixture: ASTM C494, Type S.

10. Shrinkage-Reducing Admixture: ASTM C494, Type S.

11. Crystalline Waterproofing Admixture: ASTM C494, Type S.

a. Uses insoluble crystalline compounds to block capillary pores.

b. Crack sealing ability up to 0.016 in (0.40 mm).

c. Water Penetration: Manufacturer must provide independent testing report that shows concrete treated with crystalline waterproofing admixture has the capability to reduce water penetration into concrete by 70 percent as compared to control mix, when measured by EN 12390-8/DIN 1048.

12. The amount of admixture added to the concrete shall be in accordance with the manufacturer's recommendations.

13. Admixtures permitted shall be supplied by a single manufacturer for project.

14. Approved Manufacturers:

a. Axim Italcementi Group.

b. Master Builders Solutions

c. Grace Construction Products.

d. The Euclid Chemical Company.

e. Xypex

15. Substitutions: As approved by Engineer/Architect.

Immokalee Outdoor Aquatic Complex 13 11 18-7 Job # 23499

2.06 ACCESSORIES

A. Pool Concrete PVC Waterstop

1. Center bulb type and size shall be as shown on Drawings, extruded from an elastomeric plastic compound, the basic resin of which shall be polyvinyl chloride (PVC). No reclaimed PVC shall be used in the compound. Meet the performance requirements of CRD C-572 and the Table below.

2. PVC Waterstop Physical Property Table:

Property Test Value

Water absorption ASTM D570 0.15% max.

Tear resistance ASTM D624 300 lb/in min

Ultimate elongation ASTM D638 350% min.

Tensile strength ASTM D638 2000 psi min.

Low temperature brittleness

ASTM D746 Passes @ -35°F / - 37°C

Stiffness in flexure ASTM D747 700 psi min.

Specific gravity ASTM D792 1.38 max.

Hardness Shore A15 ASTM D2240

79 ± 3

Tensile strength after accelerated extraction

CRD- C 572 1600 psi min.

Elongation after accelerated extraction

CRD- C 572 300% min.

Effect of Alkali:

- Weight Change

- Hardness Change

CRD- C 572

CRD- C 572

+0.25%-0.10% +/-5 points

3. All waterstops shall be rated for a minimum of 50 psi head pressure, have a 1” outside diameter center bulb, a number of parallel ribs or protrusions on each side of the center of the strip, and a constant thickness from the edge of the bulb to the outside edge.

Corrugated type or tapered waterstops are not acceptable.

4. Manufacturers and suppliers who have provided samples meeting the specified geometry and who have the specified waterstop readily available are listed below. Other products shall not be used without prior review and acceptance by the Architect/Engineer.

a. Sika Greenstreak Waterstops, P.O. Box 7139, St. Louis, Missouri 63177, phone:

(314) 225-9400 or fax: (314) 225-9854. Style 717 for the 6-inch by 3/8-inch.

b. BoMetals, Inc., 141 Hammond Street, Carrollton, GA. Phone 770-832-2000 or fax

(770-832-2095.Style RCB638NT for the 6-inch by 3/8”.

c. Paul Murphy Plastics Company, Wirestop Waterstop, 15301 Eleven Mile Road, Roseville, Michigan, 48066, phone 800-544-2200 fax 586-774-9146. Style CR-6380 for the 6-inch x 3/8”.

Immokalee Outdoor Aquatic Complex 13 11 18-8 Job # 23499

B. Pool Concrete Compressible Waterstop

1. Use as illustrated in drawing details for the following:

a. Sealing non-moving cold joints and construction joints between structural elements against penetration of water from wet-face of structure with less than 30-foot hydrostatic head.

b. Sealing pool piping penetrations against water penetration from wet-face of structure with less than 30-foot hydrostatic head.

2. Product Description: The product shall be a 0.59” x 0.39” compressible hydrophilic sponge rubber strip composed of vulcanized rubber and urethane polymer as the hydrophilic agent.

3. Product & Manufacturer:

a. Adeka KBA-1510FP waterstop, manufactured by Adeka Corporation and distributed by OCM, Inc., Chicago, IL. USA.

b. Website: www.adeka.com

c. Physical & Swelling Property Requirements: The product shall at a minimum meet the physical properties as shown in the official Adeka literature as follows.

d. Expansion Pressure: The product shall not produce more than 0.03MPa (4.35 psi) expansion pressure when fully hydrated.

e. Tensile Strength: At least 0.78 MPa (113 psi),

f. % Elongation: No greater than 350% when fully hydrated.

g. Volume (thickness) % Change: No greater than 30% volume change or increase in thickness when fully hydrated.

h. Alternative Products:

1) General: Drawing documents have been completed using the specified Adeka waterstop product as a basis of design. Alternative compressible waterstops shall not be used without approval from Engineer/Architect. Considerations such as concrete coverage requirements and wall thicknesses must be considered when substituting alternative products. Contractor will be responsible for any structural changes required due to alternate product concrete coverage requirements.

2) Product Requirements: Compressible waterstop alternatives may not contain bentonite materials and may not have swelling properties that exceed the specified product.

3) Acceptable Alternative: An acceptable alternative may be Synko-Flex SF302 Preformed Plastic Adhesive Waterstop with Synko-Flex SF311 primer or equal, but it must be approved prior to use. Manufacturer: Henry Company, Houston, TX. Website: http://henry.com

C. Non-Shrink Grout: Premixed compound with non-metallic aggregate, cement, water reducing and plasticizing agents; capable of minimum compressive strength of 2400 psi.

1. Upcon High Flow, the Upco Company, Cleveland, Ohio; MasterFlow 713, Master Builders

Solutions, Cleveland, Ohio; Duragrout, L & M Construction Chemicals, Inc., Omaha, Nebraska.

D. Joint Materials:

1. Waterstop: See Pool Concrete PVC Waterstop.

2. Expansion Joint Dowel Sleeves: PVC or molded plastic sleeve with end cap/plug. Size sleeve to allow movement of dowel.

3. Pre-molded Expansion Joint Filler: Multicellular, closed cell, flexible polyethylene plastic foam as manufactured by Dow Chemical Co., Midland, MI. Ethafoam expanded polyethylene closed-cell foam, W.R. Meadows, Elgin, IL, Ceramar or a pre-approved equal.

4. Backer Rod Joint Backing Material: Closed cell, polyethylene, flexible, rope-like foam joint backing material. Material shall be fully compatible with polysulfide sealant and for use in swimming pools. Product shall be Kool-Rod as Manufactured by W.R. Meadows, Elgin, IL, or pre-approved equal.

https://watertechnologyinc-my.sharepoint.com/personal/bfreber_watertechnologyinc_com/Documents/BWF%20Markups/Concrete%20Spec%20-%20Waterstop/www.adeka.com https://henry.com/

Immokalee Outdoor Aquatic Complex 13 11 18-9 Job # 23499

5. Gun Grade Sealant: Two-part polysulfide sealant and primer certified by Manufacturer as suitable for use in pools including submerged locations. “Deck-O-Seal Gun Grade” and “P/G” solvent based primer as manufactured by W.R. Meadows or equal. Color shall be white.

E. Adhesive Waterproof Bondcoat

1. Provide adhesive waterproof bondcoat where indicated on drawings.

a. Impact strength: 19 lbs / 8.6 kg

b. Compressive strength: 7050 psi / 48.61 MPa

c. Tensile strength: 732 psi / 5.05 MPa

d. Flexural strength: 2380 psi / 16.41 MPa

e. Adhesive strength (concrete): 1372 psi / 9.46 MPa

f. Shear bond adhesion: 720 psi / 4.96 MPa

g. ASTM C321

h. ASTM C672

i. ASTM D4541

j. ASTM E96

2. Materials

a. Basecrete or equal.

2.07 CURING AND TREATMENT MATERIALS

A. Water: Potable and clean.

B. Burlap shall be clean, evenly woven, free of encrusted concrete or other contaminating materials, and shall be reasonably free of cuts, tears, broken or missing areas.

C. Polyethylene Film: ASTM C171, 6 mil thick, clear.

D. Curing Paper: ASTM C171;

1. Manufacturers:

a. Fortifiber – Orange Label Sisalkraft 280.

b. Substitutions: As approved by Engineer.

2.08 CONCRETE MIXTURE

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture of field test data, or both, according to ACI 301.

B. Mix concrete in accordance with ASTM C94.

C. Concrete mix designs shall be designed and submitted in accordance with Division 01 and included as part of cost of this Work.

D. Mix designs shall be prepared by a qualified agency acceptable to Engineer/Architect.

Electronic copies of mix designs shall be submitted for Engineer/Architect's review prior to placing any concrete.

E. Mix design shall indicate brands, types, and quantities of admixtures included, compressive strength, slump, sieve analysis for fine and coarse aggregate, quantities of all ingredients, type and brand of cement, source of aggregate, whether fine aggregate is natural or manufactured.

F. Design of mix shall assure placing and finishing characteristics that meet Project

Immokalee Outdoor Aquatic Complex 13 11 18-10 Job # 23499

G. Mix designs contained in the Schedule of Mixes may be modified and submitted to Engineer for approval, by use of mid or high range water reducing admixtures to control slumps required for pumping of concrete. Strength, placing and finishing requirements shall be maintained.

H. Concrete mixtures shall be designed to have low shrinkage characteristics and designed to minimize slab curling.

I. Initial and final set times of concrete mix designs shall be coordinated between the contractor and concrete supplier.

2.09 SCHEDULE OF MIXES

A. Pool Structures: Proportion normal-weight concrete mix as follows:

1. Compressive Strength (28 Days): 4500 psi.

2. Maximum Aggregate Size: 1 inch.

3. Maximum Slump (Inch): 3

4. Air Entrainment: 6 percent air content is required with an acceptable air content of plus or minus 1.5 percent. Required for pool structures subject to freeze/thaw cycles.

5. Maximum Water-Cementitious Materials Ratio: 0.45.

6. Additional admixtures may be required as indicated on Structural Drawings.

B. Surge Tanks (Walls and Floor):…

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