25-8418_Exhibit_J_Technical_Specs_NRO_Wells_118_and_120_Specifications_Signed_and_Sealed.pdf

COLLIER COUNTY UTILITIES

NRO WELLS 118N AND 120 IMPROVEMENTS

ADDENDUM NO.1

DATE: SEPTEMBER 29, 2025

SPECIFICATIONS

© 2025 CDM Smith 6295-296440 All Rights Reserved September 2025

Seals Page

NRO Wells 118N and 120N Improvements 000107 - 1

Collier County, Florida Addendum No.1

A. Process Mechanical Engineer:

1. Isaac David Holowell.

2. License #83413.

3. Responsible for

Division 40, Sections 400565.35, 400578.19 and 432520

This item has been digitally signed and sealed by Isaac David Holowell on the date adjacent to the seal.

Printed copies of this document are not considered signed and sealed and the signature must be verified on electronic copies.

All Rights Reserved September 2025

Seals Page

NRO Wells 118N and 120N Improvements 000107 - 2

Collier County, Florida Addendum No.1

B. Electrical Engineer:

1. Spencer Perry.

2. License #62587.

3. Responsible for

Section 262505

This item has been digitally signed and sealed by Spencer Perry on the date adjacent to the seal.

Printed copies of this document are not considered signed and sealed and the signature must be verified on electronic copies.

© 2025 CDM Smith

All Rights Reserved

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May 2025

480v Control Panels

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Issued for Bid

NRO Wells 118N and 120N Improvements

Collier County, Florida

SECTION 262505 – 480V CONTROL PANELS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes well pump control panels (PCP) with the following features:

1. Enclosure.

2. Main circuit breaker.

3. Motor controllers.

4. Control and monitoring devices.

5. Accessories.

6. Identification.

B. Related Requirements:

1. Section 262213 “Low-Voltage Distribution Transformers” for drive isolation transformers.

2. Section 432520 “Submersible Turbine Pumps (For Water Well)” for pumps.

3. Division 40 for process automation requirements.

1.3 DEFINITIONS

A. CPT: Control power transformer.

B. GFCI: Ground-fault circuit interrupter.

C. MCCB: Molded-case circuit breaker.

D. MCP: Motor circuit protector.

E. NEC: National Electrical Code.

F. RVSS: Reduced voltage soft start.

G. RVAT: Reduced voltage autotransformer start.

H. SCCR: Short-circuit current rating.

I. SPD: Surge protective device.

J. UL: Underwriter’s Laboratories.

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K. VFC: Variable frequency motor controller. See VFD.

L. VFD: Variable frequency drive. Used interchangeably with the term VFC.

1.4 ACTION SUBMITTALS

A. Product Data: For each control panel.

1. Include materials, switching and overcurrent protective devices, SPDs, accessories, and components indicated.

2. Include dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, and finishes.

B. Shop Drawings: For each control panel. Submit in PDF and AutoCAD format.

1. Include dimensioned plans, elevations, sections, and details.

2. Bill of materials with part numbers, cross-referenced to plans.

3. Nameplate schedule.

4. Conduit entrance locations and mounting details.

5. Power and control schematics.

6. Certification for compliance with UL 508A.

7. Identification per NEC 409.110.

1.5 INFORMATIONAL SUBMITTALS

A. Startup reports.

1.6 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: include the following if applicable:

1. Manufacturer's written instructions for testing and adjusting thermal-magnetic circuit breaker and motor-circuit protector trip settings.

2. Manufacturer's written instructions for setting field-adjustable overload relays.

3. Manufacturer's written instructions for testing, adjusting, and reprogramming microprocessor control modules.

4. Manufacturer's written instructions for setting field-adjustable timers, controls, and status and alarm points.

5. Load-Current and Overload-Relay Heater List: Compile after motors have been installed and arrange to demonstrate that selection of heaters suits actual motor nameplate, full-load currents.

6. Load-Current and List of Settings of Adjustable Overload Relays: Compile after motors have been installed and arrange to demonstrate that switch settings for motor-running overload protection suit actual motors to be protected.

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1.7 MAINTENANCE MATERIAL SUBMITTALS

A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Control fuses: Equal to 10 percent of total quantity installed for each size and type, but no fewer than two of each size and type.

2. Power fuses: Equal to 10 percent of total quantity installed for each size and type, but no fewer than three of each size and type.

3. Corrosion Inhibitor: Equal to 100 percent of total number of control panels. (One spare per panel.)

1.8 QUALITY ASSURANCE

A. Testing Agency Qualifications: Accredited by NETA.

1. Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Store control panels indoors in clean, dry space with uniform temperature to prevent condensation.

Protect control panels from exposure to dirt, fumes, water, corrosive substances, and physical damage.

B. If stored in space that is not permanently enclosed and air conditioned, remove loose packing and flammable materials from inside enclosures and install temporary electric heating, with at least

50 W per enclosure.

1.10 FIELD CONDITIONS

A. Ambient Environment Ratings: Rate equipment for continuous operation under the following conditions unless otherwise indicated:

1. Ambient Temperature: Not less than 23 degrees F and not exceeding 104 degrees F.

2. Altitude: Not exceeding 6600 feet for electromagnetic and manual devices.

1.11 WARRANTY

A. Manufacturer's Warranty: Manufacturer agrees to repair or replace control panels that fail in materials or workmanship within specified warranty period.

B. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace

SPD that fails in materials or workmanship within specified warranty period.

1. SPD Warranty Period: Five years from date of Substantial Completion.

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PART 2 - PRODUCTS

2.1 GENERAL REQUIREMENTS

A. Product Selection for Restricted Space: Drawings indicate maximum dimensions for control panels clearances between control panels and adjacent surfaces and other items. Comply with indicated maximum dimensions.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

C. Comply with NEMA 250: Enclosures for Electrical Equipment (1000 Volts Maximum).

D. Comply with NEMA ICS 6: Industrial Control and Systems: Enclosures.

E. Comply with NFPA 70.

F. Comply with UL 508A.

G. Complete and fully functional control to manually or automatically operate the control system as specified herein and in other applicable sections of these specifications. Include manufacturer’s recommended safety devices to protect operators. All control devices, unless specified otherwise, mounted in the Control Panel.

H. The control panel shall operate on a power supply of 480 volts, 3-phase, 60 hertz unless otherwise noted.

I. Control panel consists of a main circuit breaker, motor circuit protector (MCP) and motor controller for each motor, and a 120-volt control power transformer (fused on primary and secondary) along with other devices specified. Mount all control components in one common enclosure.

J. All electronic control equipment (i.e. controllers, isolators, signal boosters, transmitters, PLC's, etc.)

shall be as specified in Division 40.

K. Control panels containing PLC’s shall contain UPS or battery ride-through for the PLC in accordance with Division 40 specifications.

L. SCCR: Control panels shall have a minimum SCCR of 42kA, unless specifically noted elsewhere.

2.2 ENCLOSURES

A. Enclosures: Surface-mounted, dead-front cabinets rated for environmental conditions at installed location. Unless noted elsewhere, NEMA rating shall be NEMA 4X, Type 316 stainless steel, minimum 14-gauge, factory painted white with water shield and mounting legs.

B. Construction: The door shall be mounted via continuous stainless steel hinged and provided with a pad-lockable vault type 3-point latch. The enclosure shall be equipped with a door and incorporate a removable back panel on which control components shall be mounted. Back panel shall be secured to enclosure with collar studs. Door(s) shall be interlocked with main circuit breaker and provided with pad-locking provision. All hardware shall be stainless steel.

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C. Conduit Entrance: Bottom entry only.

D. All motor branch circuit breakers, motor starters and control relays shall be of highest industrial quality, securely fastened to the removable back panels with screws and lock washers. Back panels shall be tapped to accept all mounting screws. Self-tapping screws shall not be used to mount any component.

E. Operating handle for main circuit breaker: flange mounted.

F. Outdoor enclosures shall be provided with sun shields where indicated on Drawings.

G. Provide additional temperature control if required to meet UL temperature rating of internal components. If forced air ventilation is required, the enclosure shall be pressurized. Air filters shall be of commercially available types and sizes.

H. All operating control and instruments shall be securely mounted on the exterior door. All controls and instruments shall be clearly labeled to indicate function. All exterior mounted equipment shall be NEMA 4X.

I. Print storage pockets shall be provided on the inside of each panel. Pocket shall be of sufficient size as required to hold all prints necessary to service the equipment.

2.3 COMPONENTS

A. Main Breaker: Thermal-magnetic air circuit breaker, Schneider Electric/Square D PowerPact Type

JJ (250 amp frame, 65 kAIC), Allen Bradley 140G J Frame (250 amp frame, 65kaic) or equal.

B. MCP: Molded case motor circuit protector with adjustable magnetic trip only, Schneider

Electric/Square D “Mag-Gard”, Allen Bradley 140MG or equal.

1. Reduced voltage motor starting: VFD, refer to VFD Article for requirements.

C. Overload relays shall be self-powered solid-state type and provide the following features: tamper guard over trip adjustment setting, ambient insensitive, harmonic immunity, phase loss and phase unbalance protection, manual reset, and push-to-test.

D. Overload reset buttons (30.5 mm) shall be mounted on dead front door.

E. Normally open and normally closed auxiliary motor overload contacts wired to terminal blocks shall be provided for each motor starter within the control panel.

F. SPD: By Schneider Electric/Square D SDSA4040 or equal. The control panel shall be provided with a surge protective device (SPD) rated for 200kA per mode for the incoming power. SPD shall be mounted within the control panel enclosure. Lead lengths shall not be longer than 12 inches from the main circuit breaker.

G. Control Power Transformer: 480-120V CPT, fused on primary and secondary sides, capacity as required.

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2.4 CONTROL DEVICES AND ACCESSORIES

A. Control Operators and Indictors:

1. Heavy duty type, full size (30.5mm), NEMA 4X or 7 as required.

2. Each motor shall include HAND-OFF-AUTO selector switches to permit override of automatic control and manual actuation of shutdown.

B. Indicating Lights:

1. LED, full size (30.5mm), full voltage and push-to-test type.

2. Indicators shall be provided for individual motor run and an indicator for each failure condition.

C. Elapsed Time Meters (ETM):

1. Six (6) digit, non-reset elapsed time meter to indicate the total running time of each motor in

"hours" and "tenth of hours". Series T14DC Powered Hour Meter as manufactured by the

ENM Company or equal.

2. Provide an ETM for each motor.

D. Relays:

1. Control relays shall be 10 amp rated contacts (minimum), 11 pin with mounting base, 3PDT

(minimum), with LED indicators to show relay status, relays shall be manufactured by Potter

Brumfield or equal.

2. Timing relays shall be solid state, with pin (octal) and bases, relays shall be T-series as manufactured by Diversified Electronics Inc. or equal.

E. Interior enclosure light shall be provided for the control panel, the light shall be model Panelite

LED24V15 as manufactured by nVent Hoffman, or equal.

F. MCCB for MPZ: Include molded case circuit breaker of the same manufacturer and type as the control panel main circuit breaker. The circuit breaker shall be sized per the Mini-Power-Zone

(MPZ) manufacturer’s standard.

G. A duplex GFCI utility receptacle (circuit breaker protected) providing 120 volts, 60 Hertz, single phase current shall be mounted inside of enclosure.

H. Auxiliary contacts shall be provided for remote run indication and indication of each status and alarm condition. Additional controls shall be provided as specified herein and as required by

Divisions 40, 26 and as shown on Drawings.

I. A phase monitor shall be provided for the control panel, monitors shall be model SLA-440-ASA as manufactured by Diversified Electronics Inc. or equal.

J. Provide remote mount Human Machine Interface (HMI), type 4X/12 by Allen Bradley 20-HIM-

C6S mounted on the front of the enclosure with HMI hinged snap latch cover kit by Allied

Moulded or equal.

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K. Corrosion Inhibitor Emitter: Inclusion of an industrial corrosion inhibitor emitter, selected by the manufacturer, to protect internal components of control panel from corrosion for up to one year.

L. Breather assemblies, to maintain interior pressure and release condensation in Type 4X enclosures installed outdoors or in unconditioned interior spaces subject to humidity and temperature swings.

M. Space heaters, with NC auxiliary contacts, to mitigate condensation in Type 4X enclosures installed outdoors or in unconditioned interior spaces subject to humidity and temperature swings.

2.5 VFD AND ACCESSORIES

A. VFD:

1. Allen Bradley Power Flex 753, six pulse drive, no exceptions.

2. Input Voltage: 480V, 3 phase.

3. Output Current: 96 FLA for Well 118N pump and for Well 120N pump.

4. EMC Filtered.

5. Control and interface to SCADA system via Ethernet cable using Ethernet/IP communications protocol.

6. Keypad shall be Allen Bradley 20-HMI-C6S enhanced LCD display, fully numeric keypad.

B. DV/DT Output Filter:

1. Comprised of passive components only.

2. Limits peak voltage at motor terminals to 150 percent or less of VFD’s DC bus voltage for motor leads of 1000 feet or shorter.

3. Maximum dV/dT waveform pulses at motor terminal of 200 volts per microsecond.

4. Insertion loss of 3 percent of rated voltage maximum.

5. UL listed.

6. MTE Series A dV/dT Filter or equivalent.

C. Input Drive Isolation Transformer:

1. Separate enclosure, not mounted within pump control panel.

2. Refer to specification Section 262213 “Low-Voltage Distribution Transformers”.

2.6 WIRING

A. Power and control wire shall be 600 Volt class, Type MTW insulated stranded copper and shall be of the sizes required for the current to be carried, but not smaller than No. 14 AWG. All wiring shall be enclosed in PVC wire trough with slotted side openings and removable cover.

B. Wiring shall be stranded copper, minimum size #14 AWG (except for shielded instrumentation cable), with 600 Volt, 90 degree C, flame retardant, Type MTW thermoplastic insulation.

C. Provide clear shock protection barriers over any exposed terminal with over 120-volts to ground potential voltage.

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D. All interconnecting wires between panel mounted equipment and external equipment shall be terminated at numbered terminal blocks.

E. Terminal blocks shall be 600 Volt heavy duty rated, tubular clamp type. Terminal strips shall be

Allen Bradley catalog #1492-CA-1 or equal.

F. A copper ground bar with sufficient terminals for all field and panel ground connections shall be provided.

G. All signal wiring entering and exiting the control panel shall be provided with surge protection.

Surge protection shall be as specified in Division 40.

H. An 8-inch (minimum) clear space within the enclosure shall be provided horizontally along the entire top and bottom of the control panel. A 4-inch (minimum) clear space within the enclosure shall be provided vertically along the entire sides of the control panel. No devices, terminals, etc.

shall be installed within this space, the space shall be provided for field conduit and wiring access only.

2.7 IDENTIFICATION

A. All control panel wiring shall be numbered at both ends with type written heat shrinkable wire markers.

B. The control diagrams and overload tables shall be laminated to the inside of the door except where door space is limited the laminated documents shall be in the print storage pocket.

C. The control panel shall be provided with nameplates identifying each component, selector switches, pilot lights push-to-test, etc. Nameplates shall be permanently affixed using an epoxy process

(inner door nameplates shall be fastened with stainless steel screws). Nameplates shall be laminated plastic, engraved black letters with a white background.

D. All control panels shall be provided with two nameplates located on the exterior door. The first nameplate shall identify the control panel name. The second nameplate shall identify the power source.

E. Where applicable provide a nameplate which reads as follows "CAUTION - THIS PANEL

CONTAINS A VOLTAGE FROM AN EXTERNAL SOURCE." Letters shall be black on a high visibility yellow background.

F. Each terminal at terminal blocks shall be individually labeled. Terminals shall be ferrule where applicable.

G. Incoming phase conductor terminals shall be clearly identified. All wiring within the control panel shall be color coded or coded using electrical tape in sizes where colored insulation is not available.

The following coding shall be used.

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System Wire Color

Incoming line voltage Phase conductors Black

Ground Green

Neutral (as required) Gray

Internal control voltage AC Red

Internal control voltage DC Blue

External source All Yellow

2.8 FACTORY TESTS

A. Inspect and test control panel for correct operation. Test each circuit for continuity, short circuits, and ground faults.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with NECA 1.

B. Inspect anchorage, alignment, grounding, and clearances.

C. Compare equipment nameplate data for compliance with Drawings and Specifications.

D. Verify that electrical wiring installation complies with manufacturer's written installation requirements.

E. Motor Overload Relays: Select and set overloads on the basis of full-load current rating as shown on motor nameplate. Adjust setting value for special motors as required by NFPA 70 for motors that are high-torque, high-efficiency, and so on.

F. Identify system components, wiring, cabling, and terminals. Comply with requirements for identification specified in Section 260510 "Limited Electrical for Small Projects."

G. Arc Flash Labels: Install as specified in Section 260573 "Power System Studies."

3.2 STARTUP SERVICE

A. Complete startup checks according to manufacturer’s written instructions.

B. Verify motor running protection is appropriate for actual motors installed.

C. Test control panel with all field wiring connected. Set adjustable set points and time delays for proper operation of equipment. Adjust as required.

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D. Perform infrared inspection of panel interior during periods of maximum possible loading. Remove all necessary covers prior to the inspection. Comply with the recommendations of NFPA 70B, "Testing and Test Methods" Chapter, "Infrared Inspection" Article.

E. Prepare test and inspection reports.

F. Install a set of legible “as built” laminated control panel drawings (11 x 17 or 8.5 x 11), in the storage pocket.

3.3 DEMONSTRATION

A. Train Owner's maintenance personnel to adjust, operate, and maintain equipment.

END OF SECTION 262505

All Rights Reserved May 2025

Globe Body Silent Check Valves

NRO Wells 118N and 120N Improvements 400565.35 - 1

Collier County, Florida Issued for Bid

SECTION 400565.35 – GLOBE BODY SILENT CHECK VALVES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: Globe body silent check valves, 2.5 through 42 inches in size.

B. Related Requirements:

1. Section 400551 “Common Requirements for Process Valves” for basic materials and methods related to valves commonly used for process systems.

1.3 ACTION SUBMITTALS

A. Product Data: Submit catalog information, indicating materials of construction and compliance with indicated standards.

B. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

1.4 INFORMATIONAL SUBMITTALS

A. Source Quality-Control Submittals: Indicate results of factory tests and provide required certifications.

B. Field Quality-Control Submittals: Indicate results of Contractor-furnished tests and inspections.

C. Qualifications Statement:

1. Submit qualifications for manufacturer.

1.5 CLOSEOUT SUBMITTALS

A. Project Record Documents: Record the actual locations of piping, valves and other appurtenances, connections, and centerline elevations.

Globe Body Silent Check Valves

NRO Wells 118N and 120N Improvements 400565.35 - 2

Collier County, Florida Issued for Bid

1.6 QUALITY ASSURANCE

A. Comply with AWWA C518.

B. Materials in Contact with Potable Water: Certified according to NSF 61 and NSF 372.

C. Provide Installation Inspection and Operator Training Per Section 400551 “Common Work

Requirements for Process Valves.”

D. Provide testing and inspection certificates.

1.7 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum five years documented experience.

B. Installer: Company specializing in performing Work of this Section with minimum five years documented experience.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.

B. Store materials according to manufacturer instructions.

C. Protection:

1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.

2. Protect valves and appurtenances by storing off ground.

3. Cover flange faces with 3/4-inch plywood blinds.

4. Provide additional protection according to manufacturer’s instructions.

1.9 EXISTING CONDITIONS

A. Field Measurements:

1. Verify field measurements prior to fabrication.

2. Indicate field measurements on Shop Drawings.

1.10 WARRANTY

A. Furnish two-year manufacturer's warranty for globe body silent check valves.

Globe Body Silent Check Valves

NRO Wells 118N and 120N Improvements 400565.35 - 3

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PART 2 - PRODUCTS

2.1 GLOBE BODY SILENT CHECK VALVES – Tag Type CV

A. Manufacturers:

1. Bermad, Model 70N.

2. Substitutions: Not permitted.

B. Description:

1. Clean Water Service:

a. Type: Globe body, double guided, spring-loaded, poppet check valves. Y Pattern, hydraulically operated, double chamber actuator, and diaphragm assembly.

b. Style: Flanged.

c. Body: Type 316 stainless steel. Fusion bonded epoxy coated ductile iron, ASTM

A536.

d. Cover: Type 316 stainless steel. Fusion bonded epoxy coated ductile iron, ASTM

A536.

e. Disk: Concave Type CF8M stainless steel. Stainless steel, AISI 410.

f. Seats: Buna-N or EPDM. Stainless steel, AISI 304.

g. Shaft: Stainless steel, AISI 303

h. Diaphragm: Fabric-reinforced EPDM

i. Disc Pin: Type 316 stainless steel.

j. Seal: EPDM

k. Spring: Type 316 stainless steel. Stainless steel, AISI 302.

C. Working Pressure Rating:

1. Valves 2.5 through 12 Inches: 150 psig at 150 degrees F.

D. Finishes: As specified in Section 400551 “Common Requirements for Process Valves.”

2.2 SOURCE QUALITY CONTROL

A. Testing:

1. Hydrostatically test check valves at twice rated pressure according to AWWA C518.

2. Permitted Leakage at Indicated Working Pressure: None.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that field dimensions are as indicated on Shop Drawings.

Globe Body Silent Check Valves

NRO Wells 118N and 120N Improvements 400565.35 - 4

Collier County, Florida Issued for Bid

B. Inspect existing flanges for nonstandard bolt-hole configurations or design and verify that new valve and flange mate properly.

3.2 PREPARATION

A. Thoroughly clean valves before installation.

B. Surface Preparation:

1. Solvent clean surfaces that are not shop primed.

2. Clean surfaces to remove loose rust, mill scale, and other foreign substances by commercial sand blasting; SSPC SP 6.

3.3 INSTALLATION

A. According to AWWA C518 and manufacturer instructions.

B. Dielectric Fittings: Provide between dissimilar metals.

3.4 FIELD QUALITY CONTROL

A. Section 400551 “Common Requirements for Process Valves.”

B. Inspection:

1. Inspect for damage to valve lining or coating and for other defects that may be detrimental as determined by Engineer.

2. Repair damaged valve or provide new, undamaged valve.

3. After installation, inspect for proper supports and interferences.

C. Pressure test valves with piping.

3.5 CLEANING

A. Keep valve interior clean as installation progresses.

END OF SECTION 400565.35

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 1

Collier County, Florida Issued for Bid

SECTION 400578.19 - COMBINATION AIR VALVES FOR WATER SERVICE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: Combination air valves for water treatment facilities.

B. Related Requirements:

1. Section 400507 “Hangers and Supports for Process Piping” for anchors and supports.

2. Section 400551 “Common Requirements for Process Valves” for typical product and installation requirements for valves specified in this Section.

1.3 ACTION SUBMITTALS

A. Product Data: Submit manufacturer catalog information.

B. Shop Drawings: Indicate materials, dimensions, weights, and end connections in assembly drawings.

C. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

1.4 INFORMATIONAL SUBMITTALS

A. Manufacturer Instructions: Submit special procedures and setting dimensions.

B. Source Quality-Control Submittals: Indicate results of factory tests and inspections and provide required certifications.

C. Field Quality-Control Submittals: Indicate results of Contractor-furnished tests and inspections.

D. Manufacturer Reports: Certify that equipment has been installed according to manufacturer instructions.

E. Qualifications Statements:

1. Submit qualifications for manufacturer and installer.

2. Submit manufacturer's approval of installer.

3. American Iron and Steel (AIS): Submit certification indicating compliance with AIS requirements.

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 2

Collier County, Florida Issued for Bid

1.5 CLOSEOUT SUBMITTALS

A. Project Record Documents: Record actual locations of combination air valves.

1.6 QUALITY ASSURANCE

A. Materials in Contact with Raw Water: Conforms to NSF 61 and NSF 372.

B. Manufacturer Quality Management System: Certified to ISO 9001.

1.7 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum five years' documented experience.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.

B. Store materials according to manufacturer instructions.

C. Protection:

1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.

2. Furnish temporary end caps and closures on piping and fittings and maintain in place until installation.

3. Provide additional protection according to manufacturer instructions.

1.9 EXISTING CONDITIONS

A. Field Measurements:

1. Verify field measurements prior to fabrication.

2. Indicate field measurements on Shop Drawings.

1.10 WARRANTY

A. Furnish two-year manufacturer's warranty for combination air valves.

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 3

Collier County, Florida Issued for Bid

PART 2 - PRODUCTS

2.1 COMBINATION AIR VALVES FOR WATER SERVICE – Tag Type CAV

A. Manufacturers:

1. 2-inch Combination Air Valve Upstream of Check Valve: ARI Model D-040PT02.

2. 2-inch Combination Air Valve with non-slam Downstream of Check Valve: ARI Model

D-060CHFNST02.

3. 2-inch Combination Air Valve Casing Vent: ARI Model D-040PT02.

B. Description:

1. Type:

a. Fully automatic, float operated.

b. Body: Single.

2. Comply with AWWA C512.

3. Size: As indicated on Drawings.

4. Suitable for potable or raw water service.

5. Minimum Pressure Rating: 150 psig.

6. Maximum Operating Temperature: Water to 104 degrees F.

7. Combination air valves shall perform the functions of an air/vacuum valve (exhaust large quantities of air on start-up, admits air on shut-down) and air release valves (release air continuously during operation) to maintain system efficiency and prevent pipeline surges.

C. Materials:

1. Body and Cover: Reinforced nylon or Type 316 stainless steel.

2. Float: Type 316 Stainless steel.

3. Seats: Stainless steel.

4. Seals: Buna-N/Nitrile.

5. Trim: Stainless steel.

6. Hardware: Stainless steel.

D. End Connections:

1. Size 4 Inches and smaller: Threaded, NPT.

2. Size Larger than 4 Inches: Flanged, ASME B16.5.

E. Accessories:

1. Backwash accessories, including inlet shutoff valve, blowoff valve, rubber supply hose, and quick-disconnect couplings.

2. Throttling device on outlet for combination air valves downstream of the check valves.

Throttled to 5-percent open.

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 4

Collier County, Florida Issued for Bid

2.2 SOURCE QUALITY CONTROL

A. Provide shop inspection and testing of completed assembly.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that field dimensions are as indicated on Shop Drawings.

B. Inspect existing flanges for non-standard bolt hole configurations or design and verify that new pipe and flanges mate properly.

3.2 PREPARATION

A. Thoroughly clean end connections before installation.

B. Close pipe and equipment openings with caps or plugs during installation.

C. Surface Preparation: Clean surfaces to remove foreign substances.

3.3 INSTALLATION

A. According to manufacturer instructions.

B. Provide access for operation, removal, and maintenance, and to avoid discharge to occupied areas or other equipment.

C. Vent the valve properly and pipe outlet to nearest drain or as directed by Engineer.

3.4 FIELD QUALITY CONTROL

A. Inspect for interferences and proper supports.

B. Testing:

1. As specified in Section 400551 “Common Requirements for Process Valves”.

2. Demonstrate operation without undue noise or vibration.

C. Equipment Acceptance:

1. Adjust, repair, modify, or replace components failing to perform as specified and rerun tests.

2. Make final adjustments to equipment under direction of manufacturer's representative.

3. Repair damaged coatings with material equal to original coating.

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 5

Collier County, Florida Issued for Bid

D. Furnish installation certificate from equipment manufacturer's representative attesting that equipment has been properly installed and is ready for startup and testing.

3.5 CLEANING

A. Keep interior of air release valves clean as installation progresses.

3.6 DEMONSTRATION

A. Demonstrate equipment startup, shutdown, routine maintenance, and emergency repair procedures to Owner's personnel.

END OF SECTION 400578.19

Combination Air Valves for Water Service

NRO Wells 118N and 120N Improvements 400578.19 - 6

Collier County, Florida Issued for Bid

THIS PAGE INTENTIONALLY LEFT BLANK.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 1

Collier County, Florida Issued for Bid

SECTION 432520 - SUBMERSIBLE TURBINE PUMPS (FOR WATER WELL)

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: Submersible vertical turbine well pumps, including their respective column pipe, submersible motors, and variable frequency drives for two new production wells.

B. Contractor to be fully responsible for all elements of pump installation and setting, including:

1. Depth of setting.

2. Discharge column pipe.

3. Column check valve.

4. Surface discharge head assembly.

5. Supervisory services during installation and field testing of each unit and instructing regular operating personnel in the proper care, operation and maintenance of the equipment.

6. Include following paragraph to emphasize pump manufacturer unit responsibility.

C. Pump Manufacturer shall have unit responsibility for complete pumping system.

D. Related Requirements:

1. Section 260510 “Limited Electrical for Small Projects”.

2. Section 262505 “480V Control Panels”.

3. Section 406196 “Process Control Descriptions”.

1.3 DEFINITIONS AND ABBREVIATIONS

A. AESS: Applications Engineering System Supplier; refer to Section 406100 “Process Control and Enterprise Management Systems General Provisions” for additional information.

B. AOR: Allowable Operating Region.

C. Failsafe: Normally closed contacts that open on alarm condition.

D. I/O: Input/Output (signals).

E. LCP: Local Control Panel.

F. PCSS: Process Control System Supplier.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 2

Collier County, Florida Issued for Bid

G. POR: Preferred Operating Region.

H. P&ID: Process and Instrumentation Diagram.

I. Unit Responsibility: Sole responsibility for all components provided as part of pumping system.

1.4 ACTION SUBMITTALS

A. If manufacturing techniques differ, completely describe all aspects that do not conform to specifications.

B. Product Data: Submit manufacturer’s literature, which may include drawings, describing the equipment including materials of construction, to indicate full conformance with specifications.

1. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for submersible turbines and motors.

2. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories.

3. Total weight of pumping unit as well as weights of individual components.

C. Shop Drawings:

1. Certified dimensional drawings of each item of equipment and auxiliary apparatus to be furnished including pump and motor, discharge head, column pipe, column check valve, power and signal cables, and water level monitoring system.

2. Schematic electrical wiring diagram and other data as required for complete pump installation.

3. Include details of equipment assemblies. Indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

4. Details of motor shroud/flow inducer for motor cooling.

1.5 INFORMATIONAL SUBMITTALS

A. Manufacturer's certified rating curves, to satisfy the specified design conditions including:

1. Operating speed specified.

2. Pump characteristics of head and flow showing full recommended range of performance including shut-off head for pump proposed. Curve for pump proposed not catalog sheets showing a family of curves.

3. Anticipated operating condition.

4. Brake horsepower.

5. Bowl efficiency.

6. Guaranteed net positive suction head required (NPSHR).

7. Identify POR and AOR (refer to ANSI/HI 9.6.3).

8. Plot curves on 8-1/2-inch by 11-inch sheets at as large a scale as practical specifically for proposed pump from no flow at shut-off head to pump capacity at minimum specified

TDH.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 3

Collier County, Florida Issued for Bid

9. Variable Speed Pumps: Include variable speed curves with five evenly spaced speeds plotted from maximum to minimum recommended speeds.

10. Curves shall be rising head capacity curve for stable pump operation.

B. Certification that velocity of flow past motor is adequate for motor cooling, based upon motor proposed and size of well casing. Submit details of enclosing flow inducer/suction sleeve/shroud required to provide cooling.

C. Tabulated data for drive motors including rated horsepower, full load rpm, power factor, efficiency curves at 1/2, 3/4 and full load, service factor, and kW input, including when pump operates at design point. Submit a certified statement from motor manufacturer that motors are capable of continuous operation on variable frequency drive power supply without affecting their design life for bearings or windings.

D. Test Reports:

1. Copies of all test data as described in Part 2 and 3.

2. A schedule of the date of shop testing and delivery of the equipment to the job site.

3. Description of pump factory test procedures and equipment.

4. Rotor balance report demonstrating compliance with balancing requirements of AWWA

E102.

E. Welding certificates.

F. Material Test Reports: Certified analysis of impeller material: by a qualified testing agency.

G. Source quality-control reports.

H. Field quality-control reports.

I. Sample Warranty: For manufacturer's warranty.

J. Certify all product components suitable for contact with drinking water by an accredited certification organization in accordance with NSF/ANSI 61, Drinking Water System components – Health Effects, and NSF/ANSI 372, Drinking Water System Components – Lead

Content.

1.6 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Manual:

1. Provide Operating and Maintenance Manual for equipment specified herein, specifically prepared for this installation and including all required drawings, equipment and materials information, descriptions, complete bill of materials, etc., as required to instruct operating and maintenance personnel unfamiliar with such equipment.

B. Warranty Documentation: submit warranty complying with requirements herein.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 4

Collier County, Florida Issued for Bid

C. Project Record Documents:

1. Submit Project Record Documents recording actual locations and final orientation of all equipment and accessories.

1.7 QUALITY ASSURANCE

A. Furnish and coordinate all motors with the pump manufacturer.

B. Furnish units from a single manufacturer.

C. Install for satisfactory operation as shown on Drawings.

D. Manufacturer to be fully responsible for the design, arrangement and operation of all connected rotating equipment components.

E. Pumps to be in accordance with the Hydraulic Institute Standards, except when otherwise specified herein.

F. Equipment to be standard pumping equipment proven to have been manufactured by a manufacturer concerned and experienced in the production of such.

1. The pump manufacturer an authorized permanent service organization for servicing both pump and motor, within 100 miles of the installation site.

G. Pipe and Pressure-Vessel Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Inspection: Accept materials on Site in Manufacturer’s original packaging and inspect for damage. As necessary, provide inspection report to Manufacturer identifying any damage and rework necessary prior to installation.

B. Storage: Store pumps and all appurtenances according to Manufacturer’s instructions.

C. Do not disassemble factory assembled parts and components for shipment unless written permission received from Engineer.

D. Protection:

1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.

2. Provide additional protection according to Manufacturer’s instructions.

3. Protect unpainted finished iron and steel surfaces to prevent rust and corrosion.

4. Protect finished surfaces of exposed flanges with wood or equivalent blank flanges.

5. Protect bearings against formation of rust in accordance with bearing manufacturer’s recommendations. Apply lubricant or corrosion inhibiting treatment during transportation, storage, handling, installation, and lapse of time prior to start-up.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 5

Collier County, Florida Issued for Bid

Intermittently manually rotate equipment prior to start-up to ensure distribution of lubricant/protection.

1.9 SITE CONDITIONS

A. Ambient temperature range: 30 to 104 degrees F.

B. Field Measurements: as applicable confirm field measurements and interferences prior to fabrication. Indicate field measurements on Shop Drawings.

1.10 WARRANTY

A. Provide manufacturer’s warranty for pumping system.

B. Warranty Period: Two years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 PERFORMANCE AND DESIGN CRITERIA

A. Pumps to conform to AWWA E-102, Submersible Vertical Turbine Pumps.

B. Furnish and coordinate motors with pump manufacturer.

C. Furnish units from a single manufacturer.

D. Install for satisfactory operation as shown on Drawings.

E. Manufacturer to be fully responsible for design, arrangement and operation of all connected rotating equipment components.

F. Pumps to be in accordance with the Hydraulic Institute Standards, except otherwise specified herein. Pump performance Acceptance Grade: 1U.

G. Equipment to be standard pumping equipment proven to have been manufactured by a manufacturer concerned and experienced in the production of such.

H. Pumps to have a continuously rising (from runout toward shutoff) head-flow rate performance curve for stable pump operation within the AOR.

I. Comply with NSF/ANSI 61, Drinking Water System Components – Health Effects, and/or

NSF/ANSI 372, Drinking Water System Components – Lead Content.

J. Submersible pump to be set in a newly constructed water supply well. Work includes excavation and backfill necessary to install well head after cutting well casing to level shown on

Drawings. Install all instrumentation to be fitted in the well as is specified in Division 40.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 6

Collier County, Florida Issued for Bid

K. Pumping units:

1. Designed and built for 24-hour continuous service at all points within the required range of operation, without overheating, without cavitation, and without excessive vibration or strain.

2. Designed and proportioned as to have liberal strength, stability and stiffness and to be especially constructed to meet the Specifications.

L. RO-118N Design criteria:

Item Description

Design Conditions

Service Raw Water

Grundfos Product Number and Name* 625S750-4AA

Number of Pumps 1

Maximum Motor Full Load Speed (FLS) (rpm) 3,600

Minimum Motor Speed as a Percentage to Full Load Speed

(percent)

Maximum Allowable Motor Horsepower (non-overloading throughout operating range) (HP)

Motor Design Voltage/Phase/Frequency 460/3/60

Maximum Anticipated Pumped Fluid Temperature (degrees F.) 75

Minimum Pump and Column Discharge Size (inches) 6

Minimum Pump Shut-Off Head at Motor FLS Acceptable

Range (minimum/maximum) (feet)

425/475

Flow Rate at Secondary Operation Point (gpm) 300

Minimum TH at Secondary Operation Point (feet) 415

Minimum Overall Efficiency at Secondary Operation Point

(percent)*

Maximum NPSH3 at Secondary Operation Point (feet) 25

Intermediate (Design) Point Flow Rate (gpm) 500

Minimum TH at Intermediate (Design) Point Flow Rate (feet) 360

Minimum Overall Efficiency at Intermediate (Design) Point

Flow Rate (percent)**

Best Efficiency Point (BEP) Flow Rate Acceptable Range

(minimum/maximum) (gpm)

500/700

Minimum Overall Efficiency at BEP (percent)* 70

Primary Operation Point TH (feet) 175

Minimum Flow Rate at Primary Operation Point (gpm) 800

Minimum Overall Efficiency at Primary Operation Point

(percent)*

Maximum NPSH3 at Primary Operation Point (feet) 40

* Basis of design pump selection make and model is listed based on the hydraulic performance characteristics only. The listed make and model shall not influence the materials of construction of the pump or motor.

**Note that minimum overall efficiencies listed are “wire-to-water” in accordance with

ANSI/HI 11.6 – latest edition.

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 7

Collier County, Florida Issued for Bid

M. RO-118N Pump Setting Details:

1. Confirm elevations with final grading plans and data collected from well construction.

a. Existing Well Casing Diameter = 16 inches Nominal.

b. Elevation of Finished Ground Surface at Well Head: 15 feet.

c. Elevation of Discharge Centerline: 18 feet.

d. Elevation of Pump Intake: -135 feet.

e. Approximate range of static well water surface elevation: 0 to 26 feet.

f. Approximate minimum pumping water level elevation: -120 feet.

N. RO-120N Design criteria:

Item Description

Design Conditions

Service Raw Water

Grundfos Product Number and Name* 625S750-4AA

Number of Pumps 1

Maximum Motor Full Load Speed (FLS) (rpm) 3,600

Minimum Motor Speed as a Percentage to Full Load Speed

(percent)

Maximum Allowable Motor Horsepower (non-overloading throughout operating range) (HP)

Motor Design Voltage/Phase/Frequency 460/3/60

Maximum Anticipated Pumped Fluid Temperature (degrees F.) 75

Minimum Pump and Column Discharge Size (inches) 6

Minimum Pump Shut-Off Head at Motor FLS Acceptable

Range (minimum/maximum) (feet)

425/475

Flow Rate at Secondary Operation Point (gpm) 300

Minimum TH at Secondary Operation Point (feet) 415

Minimum Overall Efficiency at Secondary Operation Point

(percent) **

Maximum NPSH3 at Secondary Operation Point (feet) 25

Intermediate (Design) Point Flow Rate (gpm) 500

Minimum TH at Intermediate (Design) Point Flow Rate (feet) 360

Minimum Overall Efficiency at Intermediate (Design) Point

Flow Rate (percent)*

Best Efficiency Point (BEP) Flow Rate Acceptable Range

(minimum/maximum) (gpm)

500/700

Minimum Overall Efficiency at BEP (percent)* 70

Primary Operation Point TH (feet) 175

Minimum Flow Rate at Primary Operation Point (gpm) 800

Minimum Overall Efficiency at Primary Operation Point

(percent)*

Maximum NPSH3 at Primary Operation Point (feet) 40

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 8

Collier County, Florida Issued for Bid

* Basis of design pump selection make and model is listed based on the hydraulic performance characteristics only. The listed make and model shall not influence the materials of construction of the pump or motor.

**Note that minimum overall efficiencies listed are “wire-to-water” in accordance with

ANSI/HI 11.6 – latest edition.

O. RO-120N Pump Setting Details:

1. Confirm elevations with final grading plans and data collected from well construction.

a. Existing Well Casing Diameter = 16 inches Nominal.

b. Elevation of Finished Ground Surface at Well Head: 15 feet.

c. Elevation of Discharge Centerline: 18 feet.

d. Elevation of Pump Intake: -135 feet.

e. Approximate range of static well water surface elevation: 0 to 33 feet.

f. Approximate minimum pumping water level elevation: -120 feet.

P. Capable of temporary operation at and near shut off head for 30 seconds maximum, during the ramping up and down process of the pump against a closed check valve when the pump is starting and stopping.

2.2 SUBMERSIBLE MOTOR PUMP DRIVE SYSTEM

A. Manufacturers:

1. Franklin.

2. Grundfos.

B. Hermetically sealed water-filled submersible motor.

C. Electric power supply: 480Volt, 3 Phase, 60 Hz.

D. Service factor: 1.0 (inverter duty).

E. Motor speed: To match pump speed.

F. Minimum full load efficiency: 85 percent.

G. Minimum full load power factor: 80 percent.

H. Maximum nominal motor diameter: 8-inches.

I. Motor capable of full load operation submerged in water up to 25 degrees C.

J. Nameplate rating on motor at 1.0 service factor not to be exceeded at any point on pump performance curve.

K. Enclose hermetically sealed stator and resin embedded windings in an all-welded epoxy coated steel or Type 316 stainless steel case, to dissipate heat quickly to the surrounding well water.

Provide an elastomer expansion diaphragm with ample sized expansion chamber within motor

Submersible Turbine Pump (for Water Well)

NRO Wells 118N and 120N Improvements 432520 - 9

Collier County, Florida Issued for Bid case to equalize internal and external pressures at any depth of submergence. Motor to not require a breather plug or pressure relief valve for proper operation.

L. Motor windings: Solid copper conductor with class “Y” (waterproof) insulation rated for motor voltage.

M. Seals: Single mechanical type shaft seal with Silicon Carbide/Silicon Carbide seal faces to seal motor at shaft extension to pump coupling.

N. Wetted fasteners: Type 316 stainless steel with Monel nuts.

O. Rotor dynamically balanced and mounted on an amply sized Type 316 stainless steel shaft stabilized by water lubricated sleeve type carbon composite bearings.

P. Thrust bearing to carry weight of rotating assembly plus thrust of pump operating a shut-off head to be water lubricated self-aligning and self-equalizing Kingsbury Type assembly with multiple micro-finished stainless steel bearing shoes providing contact with a graphite or carbon composite rotating ring. Capability to run in either direction without damage.

Q. Motor factory filled with food-grade propylene glycol-potable water internal lubricating solution for maximum reliability and long life.

R. Provide a flow inducer (suction sleeve/shroud) of same material as well column pipe as required to provide adequate motor cooling. Submit details.

1. Size inducer in conformance with motor manufacturer’s recommendations to maintain minimum head losses and velocity for adequate motor cooling, based upon well diameter.

2.