Specifications_25SW05.pdf

TECHNICAL SPECIFICATIONS

FOR

LPGA BLVD. CANAL MONITORING

CITY OF HOLLY HILL – VOLUSIA COUNTY, FLORIDA

100% CONSTRUCTION DOCUMENTS

JULY 2026

PREPARED FOR:

City of Holly Hill 1065 Ridgewood Avenue

Holly Hill, FL 32117

PREPARED BY:

Zev Cohen & Associates, Inc.

300 Interchange Blvd., Suite C

Ormond Beach, FL 32174

(LC 62) (EB 4516)

PROJECT NO. ZC 25185

KRISTOPHER T. ROWLEY, P.E., FLORIDA P.E. NO. 84263

THIS DOCUMENT IS NOT VALID WITHOUT THE SIGNATURE AND SEAL

OF A FLORIDA LICENSED PROFESSIONAL ENGINEER

DATE SIGNED: ____________________

LPGA Blvd. Canal Monitoring ZC Project No. 25185 City of Holly Hill – Volusia County, FL 100% Construction Documents – July 2026

TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS

SECTION NO. TITLE NO. OF PAGES

DIVISION 33 – UTILITIES

33 01 30.13 Canal Water Level Monitoring Equipment

33 01 30.23 Canal Water Level Monitoring System Installation and Testing

NOTE: The Drawings entitled "LPGA Blvd. Canal Monitoring – 100% Engineering Plans," Sheets C1 through C8, prepared by Zev Cohen & Associates, Inc., and the City of Holly Hill Standard Construction Details and FDOT Standard Plans (latest editions) referenced therein, are part of the Contract Documents and are bound separately.

33 01 30.13 CANAL WATER LEVEL MONITORING EQUIPMENT Page 1 of 4

SECTION 33 01 30.13

CANAL WATER LEVEL MONITORING EQUIPMENT

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.

B. All materials and construction shall comply with all applicable FDOT and OSHA requirements and standards (latest editions).

1.2 SUMMARY

A. Section includes water level monitoring equipment for installation at five existing drainage structures along the LPGA Blvd. canal, as indicated on the Drawings, including:

1. Remote telemetry edge device (data logger) with integrated solar power and cellular communications.

2. Non-contact radar water level sensor.

3. Sensor cables, mounting brackets, and mounting hardware.

4. Cloud-based data hosting and telemetry subscription service.

B. Monitoring sites: Nova Rd Site, Center Ave Site, Alta Ave Site, Daytona Ave Site, and Riverside Drive Site, as shown on Drawings C3 through C7.

1. The sensor at the Riverside Drive Site, including all required components, shall be included in the Bid as an add alternate, as noted on Drawing C7.

C. Related Requirements:

1. Section 33 01 30.23 "Canal Water Level Monitoring System Installation and Testing" for installation, configuration, calibration, and field testing of the equipment specified in this Section.

1.3 DEFINITIONS

A. Edge Device: A field-installed data logger and telemetry unit that acquires sensor measurements, stores data, and transmits data to a cloud-based data hosting platform via cellular communications.

B. SDI-12: Serial Digital Interface at 1200 baud; a standard communications protocol for interfacing environmental sensors with data recorders, per SDI-12 Support Group standard, Version 1.4.

C. Stage: Elevation of the water surface referenced to the project vertical datum (NAVD 88).

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product. Include construction details, material descriptions, performance properties, dimensions, power requirements, communications specifications, and environmental ratings of individual components.

B. Shop Drawings: Mounting arrangement for each site, including bracket details, mounting elevations, attachment methods to existing structures, and cable routing.

C. "Or-Equal" Substitution Requests: For products proposed as equal to the basis-of-design products, submit comparative technical data demonstrating compliance with the performance requirements of this Section, in accordance with Division 01 requirements. The Engineer shall be the sole judge of equivalency.

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1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For manufacturer.

B. Factory calibration certificates for each radar water level sensor.

C. Sample Warranty: For manufacturer’s warranty.

1.6 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For each component of the monitoring system, including manufacturer’s manuals, configuration records, and recommended maintenance and recalibration intervals.

B. Data hosting subscription documentation, including account information, subscription term and renewal information, and administrative credentials, registered in the name of the City of Holly Hill.

1.7 QUALITY ASSURANCE

A. Manufacturer Qualifications: Manufacturer regularly engaged in the production of hydrological and environmental monitoring instrumentation for a minimum of five years, with an established domestic technical support network.

B. Single-Source Responsibility: Edge device, sensor, cables, mounting brackets, and data hosting service shall be products of a single manufacturer, or shall be certified by the manufacturers as fully compatible.

C. Electrical safety: Equipment shall comply with IEC 61010-1 or equivalent recognized standard.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver equipment in manufacturer’s original, unopened packaging with labels intact. Store in a clean, dry, secure location protected from weather, theft, and damage until installation. Handle in accordance with manufacturer’s written instructions.

1.9 WARRANTY

A. Manufacturer’s Warranty: Manufacturer’s standard warranty in which manufacturer agrees to repair or replace components that fail in materials or workmanship, for a minimum period of one year from the date of Substantial Completion.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Provide a complete, self-contained water level monitoring system at each site capable of measuring canal stage by non-contact radar, recording measurements at programmable intervals, and transmitting data via cellular communications to a cloud-based data hosting platform, without connection to external power except where power service is specifically indicated on the Drawings.

B. Basis-of-design products listed in this Section establish the standard of quality, performance, and features required. Products of other manufacturers meeting or exceeding the requirements of this Section will be considered in accordance with Division 01 and Paragraph 1.4.C. References to basis-of-design products are not intended to limit competition.

2.2 EDGE DEVICE (DATA LOGGER / TELEMETRY UNIT)

A. Basis of Design: Campbell Scientific, Inc.; Aspen 10; or approved equal.

B. Performance and Construction Requirements:

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1. Data acquisition: Programmable measurement/execution interval from 1 second to 1 day, in

1-second increments; onboard memory of not less than 2 MB flash; real-time clock accurate to ±1 second, synchronized with the data hosting platform not less than once per day.

2. Sensor interface: Not less than two SDI-12 compliant terminals meeting SDI-12 Standard Version 1.4; regulated switched sensor power output at 5, 8, or 12 VDC.

3. Telemetry: Integrated cellular modem, LTE Cat M1 minimum, with integrated GPS; internet protocols HTTP(S) and MQTT.

4. Local configuration: Bluetooth Low Energy (BLE) and/or near-field communication (NFC) configurable from a smartphone, tablet, or PC without opening the enclosure.

5. Power: Integrated solar panel and internal rechargeable battery, sized for continuous autonomous operation; battery capacity not less than 7 Ah (nominal 3.2 VDC lithium chemistry) or equivalent energy storage; internal charge management.

6. Protection: Power inputs and outputs protected against surge, over-voltage, over-current, and reverse power to IEC 61000-4 Class 4 level; EMI/ESD immunity per IEC 61000-4-2 through 61000-4-6.

7. Enclosure: High-impact-resistant, UV-resistant housing; ingress protection IP65 minimum;

impact rating IK06 minimum; suitable for continuous outdoor installation in wet environments.

8. Operating temperature: -20°C to +60°C minimum.

9. Safety: IEC 61010-1.

2.3 RADAR WATER LEVEL SENSOR

A. Basis of Design: Campbell Scientific, Inc.; RangeVue 15 (SDI-12 radar water level sensor); or approved equal.

B. Performance and Construction Requirements:

1. Measurement: Non-contact, downward-looking pulse radar measuring distance from sensor face to water surface; W-band (80 GHz) radar frequency.

2. Measurement range: Not less than 15 m (49.2 ft).

3. Accuracy: ±2 mm (±0.0065 ft); meeting United States Geological Survey (USGS) Office of Surface Water (OSW) accuracy requirements for water level measurement.

4. Resolution: 1 mm (0.0033 ft).

5. Beam angle: 8 degrees maximum.

6. Output: SDI-12, Version 1.4; configurable over SDI-12 and Bluetooth.

7. Power: 8 to 30 VDC input; current drain not more than 10 mA at 12 VDC.

8. Operating temperature: -40°C to +80°C.

9. Enclosure rating: IP66/IP68 per IEC 60529; Type 4X/6P per UL 50.

10. Wetted/housing materials: Corrosion-resistant polymer (PVDF) with fluoroelastomer (FKM) seals, suitable for continuous exposure over surface water.

11. Process connection: 1 NPT and 1.5 NPT threads; cable termination via keyed, weatherproof quick-connect (4-pin A-coded M12) connector.

2.4 SENSOR CABLE

A. Basis of Design: Campbell Scientific, Inc.; VUCOBL-10FT-FT sensor cable (M12 connectorized);

or approved equal.

B. UV-resistant jacketed cable with molded, weatherproof M12 connector compatible with the sensor and edge device; length as required for the mounting configuration at each site, 10 feet minimum.

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2.5 MOUNTING BRACKET AND HARDWARE

A. Basis of Design: Campbell Scientific, Inc.; Model 42460 mounting bracket; or approved equal.

B. Bracket compatible with the edge device and sensor, permitting vertical adjustment and secure attachment to the existing bridge and culvert structures as indicated on the Drawings. All fasteners and miscellaneous mounting hardware shall be stainless steel, Type 304 minimum.

2.6 DATA HOSTING AND TELEMETRY SUBSCRIPTION

A. Basis of Design: Campbell Scientific, Inc.; Model 40636, 12-month IoT (CampbellCloud) subscription; or approved equal.

B. Requirements:

1. Cloud-based, web-accessible platform providing station management, data storage, graphical data display, dashboards, data export, and configurable alert/notification functions.

2. Cellular data service and platform hosting for each installed station for a period of not less than 12 months, commencing at final acceptance of the system.

3. User accounts and security groups configured for City of Holly Hill personnel as directed by the Owner; subscription and account ownership registered to, or transferred to, the City prior to final acceptance.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install, configure, calibrate, and test equipment specified in this Section in accordance with Section 33 01 30.23 "Canal Water Level Monitoring System Installation and Testing" and the Drawings.

END OF SECTION 33 01 30.13

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SECTION 33 01 30.23

CANAL WATER LEVEL MONITORING SYSTEM INSTALLATION AND TESTING

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.

B. All materials and construction shall comply with all applicable FDOT and OSHA requirements and standards (latest editions).

1.2 SUMMARY

A. Section includes installation, configuration, calibration, field testing, and commissioning of water level monitoring systems at five existing drainage structures along the LPGA Blvd. canal: Nova Rd Site, Center Ave Site, Alta Ave Site, Daytona Ave Site, and Riverside Drive Site, as shown on Drawings C3 through C7.

1. The Riverside Drive Site sensor, including all required components, shall be included in the Bid as an add alternate, as noted on Drawing C7.

B. Section includes electrical work required to provide power to the proposed sensor location at the Alta Ave Site, as indicated on Drawing C5.

C. Related Requirements:

1. Section 33 01 30.13 "Canal Water Level Monitoring Equipment" for monitoring system components.

2. Maintenance of traffic in accordance with FDOT Standard Plans (latest edition), including Indexes 102-602 "Two-Lane and Multilane, Work on Shoulder" and 102-660 "Sidewalk Closure," as shown on Drawing C8.

3. Erosion and sediment control in accordance with the Drawings and City of Holly Hill Standard Construction Details RD-17 "Silt Fence Turbidity Barrier" and RD-19 "Floating Turbidity Barrier," as shown on Drawing C8.

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1. Review existing structure conditions and proposed mounting locations and heights at each site.

2. Review utility locates and coordination with utility owners.

3. Review maintenance of traffic and pedestrian detour requirements.

4. Review electrical point of connection, conduit routing, and panel/breaker requirements at the Alta Ave Site with the City.

5. Review sensor configuration, reference water level (stage) calibration procedure, and system testing requirements.

6. Review data hosting platform onboarding, station configuration, and Owner user accounts.

1.4 ACTION SUBMITTALS

A. Installation Plan: For each site, indicate proposed mounting location, mounting elevation, bracket and attachment details, cable routing, and anticipated flood elevation used to establish the mounting height.

B. Maintenance of Traffic Plan: In accordance with FDOT Standard Plans (latest edition) and requirements of the authorities having jurisdiction.

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C. Electrical Installation Plan (Alta Ave Site): Conduit routing, conductor sizing, point of connection, and overcurrent protection, in accordance with the Drawings and applicable codes.

1.5 INFORMATIONAL SUBMITTALS

A. Photographic Documentation: Photographs of existing conditions at each structure prior to beginning Work, and of completed installations.

B. Calibration Reports: Reference water level (stage) calibration records for each site, including surveyed water surface elevation, benchmark used, sensor offset, and date and time of calibration.

C. Field Test Reports: System testing records demonstrating sensor operation, SDI-12 communication, cellular telemetry, and data receipt on the data hosting platform.

D. Record Drawings: As-built sensor locations, mounting elevations, cable routing, and, at the Alta Ave Site, electrical conduit routing and point of connection.

1.6 FIELD CONDITIONS

A. Utility Locates: Notify Sunshine 811 and coordinate utility locates prior to any excavation. Know what’s below; call before you dig.

B. Vertical Datum: Site benchmarks are indicated on the Drawings and are referenced to NAVD 88.

Use site benchmarks for establishing sensor mounting elevations and stage calibration.

C. Water surface elevations shown on the Drawings were recorded in November 2025 and are subject to variation. Verify field conditions at the time of installation.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Water Level Monitoring Equipment: As specified in Section 33 01 30.13 "Canal Water Level Monitoring Equipment."

B. Mounting Hardware: Stainless steel, Type 304 minimum; anchors and fasteners suitable for the existing concrete and steel structures.

C. Electrical Materials (Alta Ave Site): Schedule 80 PVC conduit where indicated on the Drawings;

conductors, pull boxes, fittings, and appurtenances in accordance with the Drawings and the National Electrical Code (NEC).

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine each structure and proposed mounting location. Verify that the location provides a full, unobstructed view of the water surface and clear sky exposure for solar panel operation. Notify the Engineer of conflicts before proceeding.

3.2 INSTALLATION

A. Provide and install the water level monitoring system (or equal) at each site, including all components specified in Section 33 01 30.13, in accordance with the manufacturer’s written instructions and the Drawings.

B. Install the system on the south side of the bridge structure unless otherwise directed by the Engineer.

C. Mount the sensor with a full, unobstructed view of the water surface and clear sky exposure for solar panel operation.

D. Install the sensor vertical (±1 degree) and perpendicular to the water surface to ensure accurate readings.

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E. Locate the sensor away from structural elements (beams, piers, utilities, etc.) that may interfere with the radar signal. Maintain a clear path between the sensor and the water surface; remove or avoid obstructions within the sensor beam.

F. Mount the sensor at an elevation above anticipated flood levels to prevent submergence, and not lower than the minimum mounting elevations indicated on the Drawings for each site.

G. Secure all mounting hardware and cabling to the structure to prevent movement, damage, or shading of the solar panel.

H. Coordinate the final mounting location and height at each site with the Engineer prior to installation.

3.3 ELECTRICAL WORK (ALTA AVE SITE)

A. Furnish and install all electrical conduit, conductors, pull boxes, fittings, trenching, backfill, surface restoration, connections, conduit routing, and all other materials and labor necessary to provide power from the existing City of Holly Hill facility to the proposed sensor location, as indicated on Drawing C5.

B. Coordinate the exact point of connection, conduit routing, and panel/breaker requirements with the City of Holly Hill prior to construction.

C. All electrical work shall be performed by a licensed electrical contractor in accordance with applicable codes and utility requirements. The intent of this Work is to provide a complete and operational power connection to the proposed sensor, with no additional work by others unless specifically noted.

3.4 SYSTEM SETUP AND CONFIGURATION

A. Perform initial system setup, including:

1. Sensor configuration.

2. Reference water level (stage) calibration.

3. System testing.

B. Utilize SDI-12 communication between the sensor and the edge device.

C. Onboard each station to the data hosting platform; configure stations, measurement and reporting intervals, dashboards, and alert notifications as directed by the Owner and Engineer; and establish Owner user accounts and security groups.

3.5 CALIBRATION

A. Establish the sensor stage reference using the site benchmarks indicated on the Drawings

(NAVD 88).

B. Survey the water surface elevation at the time of calibration and set the sensor offset such that reported stage matches the surveyed water surface elevation. Record calibration data for each site and submit calibration reports.

3.6 FIELD QUALITY CONTROL

A. Verify system operation prior to final acceptance, and confirm that reported readings match field conditions at each site.

B. Demonstrate continuous, end-to-end operation of each station, including measurement, telemetry, and data receipt and display on the data hosting platform, for a period of not less than seven consecutive days without malfunction, prior to final acceptance.

C. Correct deficiencies and repeat testing until each station performs as specified.

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3.7 MAINTENANCE OF TRAFFIC

A. Provide maintenance of traffic in accordance with FDOT Standard Plans (latest edition), including Indexes 102-602 and 102-660 as applicable, the Drawings, and the requirements of the authorities having jurisdiction. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from the Owner and authorities having jurisdiction; provide pedestrian detours where sidewalks are closed.

3.8 EROSION AND SEDIMENT CONTROL

A. Provide silt fence, floating turbidity barriers, and other best management practices (BMPs) in accordance with the Drawings, City of Holly Hill Standard Construction Details RD-17 and RD-19, and all permit conditions, at all locations where work is performed adjacent to or over the canal.

3.9 CLOSEOUT AND TRAINING

A. Submit record drawings, calibration reports, field test reports, and operation and maintenance data as specified in this Section and Section 33 01 30.13.

B. Provide a minimum of one training session for City of Holly Hill personnel covering system operation, use of the data hosting platform (data display, export, and alert configuration), and routine maintenance.

C. Transfer data hosting subscription ownership, account administration, and all credentials to the City prior to final acceptance.

END OF SECTION 33 01 30.23