6-Section 01005 - General Requirements - 09292026.pdf
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- Attached to
- Removal and Replacement of Telemetry Cabinets for Existing SCADA System - Phased Projects
- Solicitation number
- ITB No.: 27-402/DL
- Issued by
- Palm Beach County, Florida
About this file
This document is Section 01005 (General Requirements) from ITB No. 27-402/DL for the removal and replacement of telemetry cabinets for an existing SCADA system in Florida. The contract involves the fabrication, manufacturing, and factory assembly of custom SCADA telemetry cabinets, enclosures, and related telemetry assemblies for a phased project series with a total of thirty-three (33) telemetry cabinets to be replaced. The work is contracted to a licensed Florida General or Electrical Contractor and includes all labor, materials, equipment, and incidentals required for construction. The contract term is an initial three (3) year period with an option to renew for an additional one (1) year at the Authority's discretion. All bid submittals require bid security in the form of a surety company bid bond or cashier's check in an amount not less than five percent (5%) of the total bid amount. Responses must be submitted electronically through Bonfire by the specified date and time, with the Authority's sole responsibility to confirm receipt.
This specification section establishes comprehensive manufacturing and quality assurance standards for RTU panel fabricators, requiring a minimum of five (5) years of documented experience in industrial SCADA/RTU control panel design and construction. All hardware must conform to NFPA 70 (National Electrical Code Article 409), NEMA ICS 6, and IEC 61131 standards. Manufacturers must submit detailed engineering documentation prior to fabrication, including shop drawings, schematic diagrams, bill of materials with component certifications (UL, CSA, CE), and thermal calculations. The specification mandates strict component spacing, wire duct sizing (not exceeding 40% fill capacity), physical segregation of high-voltage AC and low-voltage DC circuits, and specific wiring standards using MTW stranded copper conductors with defined color-coding conventions. Factory Acceptance Testing is required before shipment, encompassing physical/visual inspection, dielectric voltage-withstand testing, I/O point simulation, and a power failure autonomy test requiring minimum four (4) contiguous hours of operation on battery backup. Panels must be packaged with desiccant packets, protective foam shields, and shipped on heavy wood pallets with weather-resistant wrapping to ensure product integrity upon delivery.
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ITB No.: 27-402/DL Removal & Replacement of Telemetry Cabinets for 01005 -1 Existing SCADA Systems – Phased Projects
SECTION 01005
GENERAL REQUIREMENTS
SECTION 01 005: GENERAL REQUIREMENTS
PART 1 – GENERAL
1.01 SUMMARY
A. This section specifies the general administrative, quality control, and testing requirements for the fabrication, manufacturing, and factory assembly of custom SCADA Telemetry Cabinets, enclosures, and related telemetry assemblies.
B. All hardware configurations, wiring standards, and technical components specified under technical divisions (e.g., Division 16 29 14 Control Panels and Enclosures ) shall conform globally to the quality and procedural mandates established in this Section.
1.02 RELATED SECTIONS
A. Section 16 29 14 – Control Panels and Enclosures
1.03 REFERENCES & REGULATORY REQUIREMENTS
A. The RTU panel manufacturing facility and the final fully assembled control panel shall strictly conform to the following standards:
1. NFPA 70 (National Electrical Code - NEC) – Specifically Article 409 for Industrial Control Panels.
2. NEMA ICS 6 – Enclosures for Industrial Control and Systems.
3. CE / IEC 61131 – Programmable Controllers (where applicable for processing units).
1.04 SUBMITTALS FOR MANUFACTURING APPROVAL
A. Prior to cutting, drilling, or assembling any physical materials, the Manufacturer shall submit full engineering documentation for review:
1. Shop Drawings: Complete, scaled physical layout of the panel interior (backpanel space optimization) and exterior door face components (push buttons, pilot lights, selector switches).
2. Schematic Diagrams: Point-to-point wiring diagrams showing terminal blocks, power distribution, DC power supply/battery backup configurations, circuit breakers, and loop isolators.
3. Bill of Materials (BOM): A detailed schedule explicitly listing component manufacturers, exact part numbers, electrical ratings, and certifications (UL, CSA, CE).
Removal & Replacement of Telemetry Cabinets for 01005 -2 Existing SCADA Systems – Phased Projects
4. Thermal Calculations: Engineering heat-load calculations verifying that internal heat dissipation from the RTU controller, radio/modem, network switch, and power supplies does not exceed the maximum ambient rating of the chosen components under maximum exterior design temperature.
PART 2 – PRODUCTS & MANUFACTURING STANDARDS
2.01 MANUFACTURER QUALIFICATIONS
A. The RTU panel fabricator shall have a minimum of five (5) years of continuous, documented experience in the design, construction, and logic integration of industrial SCADA/RTU control panels.
B. The system integrator or manufacturer must maintain a clean, climate-controlled, dust-mitigated testing facility dedicated strictly to hardware staging and Factory Acceptance Testing
(FAT).
2.02 COMPONENT ARRANGEMENT & SPACIAL CONSTRAINTS
A. Component Spacing: All DIN-rail mounted equipment (RTU chassis, I/O modules, communication modules) must maintain a minimum clear horizontal space of 25 mm (1 in.) on all sides, or strictly mirror the specific thermal ventilation requirements dictated by the component manufacturer.
B. Wire Duct Allocation: Wire management ducts (slotted plastic wiring raceways) must be sized such that total conductor fill does not exceed 40% cross-sectional capacity, leaving ample space for future signal additions.
C. Physical Segregation: High-voltage AC distribution (120 VAC incoming mains, surge suppressors, utility outlets) must be physically separated from low-voltage DC signals (24 VDC internal control, 4-20 mA analog, and communication pathways) by an explicit distance barrier or physical metal partition inside the enclosure to eliminate electromagnetic interference
(EMI).
2.03 ELECTRICAL WIRE & TERMINATION SPECIFICATIONS
A. Conductors: All internal panel power wiring shall be MTW (Machine Tool Wire), stranded copper, rated for 600V at 90°C.
1. AC Power circuits: Minimum 16 AWG.
2. DC Control loops / Discrete I/O: Minimum 18 AWG.
3. Analog signals: Minimum 22 AWG, twisted, shielded pairs with drain wire wrapped to a dedicated chassis ground block.
B. Color Coding Convention:
• Black: Line-voltage AC (120 VAC)
• White: Neutral AC
• Red: Switched AC Control Circuitry
Removal & Replacement of Telemetry Cabinets for 01005 -3 Existing SCADA Systems – Phased Projects
• Blue: +24 VDC Control Circuitry
• Blue w/ White Stripe: 24 VDC Common / Neutral DC
• Green (or Green/Yellow): Equipment Grounding Conductors
PART 3 – EXECUTION & QUALITY ASSURANCE
3.01 FACTORY ACCEPTANCE TESTING (FAT)
A. Prior to crating and shipment, the fully fabricated RTU panels must successfully complete a structured, rigorous Factory Acceptance Test at the manufacturer's facility.
B. Testing Protocols:
1. Physical & Visual Inspection: Check structural alignment, torque settings on electrical terminals, tightness of ground bonds, clean wire paths, and visual placement of permanent, engraved component labels.
2. Dielectric Voltage-Withstand Test (Hi-Pot): Apply specified overvoltage to high-voltage AC connections to confirm insulation continuity and ensure no pinches or wire-chafing occurred during assembly.
3. I/O Point Simulation: Connect variable current sources (4-20 mA) and contact simulators to all terminal blocks. Verify that every analog input, digital input, and control output registers properly at the RTU processor registries and displays correctly on any local touchscreen HMI interface.
4. Power Failure Autonomy Test: Cut primary 120 VAC input power to simulate a utility mains failure. The RTU must cleanly cut over to the internal UPS/battery system without losing communications, data logs, or dropping active control logic loops. The battery system must sustain operation under full load for a minimum of four (4) contiguous hours.
3.02 PACKAGING, HANDLING, & SHIPPING
A. Desiccant Packets: Heavy-duty, moisture-absorbing silica gel desiccant packs must be secured inside the sealed panel enclosure prior to shipment to prevent internal condensation during transport and storage.
B. Protection: Exterior door components (push buttons, pilot lights, selector switches) must be protected with scratch-resistant film and rigid foam shields.
C. Crating: Panels must be vertically mounted, securely bolted to heavy wood shipping pallets, and wrapped in thick weather-resistant shrink-wrap or fully crated to mitigate vibration and accidental side impact.
END OF SECTION
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