Electrical 5-YEAR Arc Flash Study (VA-27-00002938)

Updated Oct 29, 2026

Special Notice from the Department of Veterans Affairs. Due Nov 2, 2026, 8:00 AM (UTC-6), 4 days left.

Bid documents (1)

• Bid document 29 KB

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Description

Arc Flash Hazard Analyses Scope of Work General Contractor shall conduct an Arc Flash Hazard Analyses in accordance with National Fire Protection Association (NFPA) 70E, Standard for Electrical Safety in the Workplace, NFPA 70, National Electric Code and Institute of Electrical and Electronics Engineers (IEEE) Guide for the Specification of Scope and Deliverable Requirements for an Arc-Flash Hazard Calculation Study in Accordance with IEEE Std 1584.

The study will conform to the editions for the above-referenced standards in effect as of the date of the solicitation. The study shall include all significant locations in the electrical distribution system (switchboards, switchgear, motor control centers, panelboards, busways, etc.) from the incoming utility equipment or cabling down to 208V systems. Data collection and documentation shall include the 208V system.

The study shall be performed using software programs specifically designed to standards governing short-circuit; protective coordination and arc flash hazard calculations. Final submittals shall include a formal reporting of findings, collect data and study calculations in a comprehensive report. Arc Flash Hazard Analyses Requirements The Arc Flash Hazard Analyses will consist of the following phases or requirements: Data Gathering and Field Verification Contractor shall: Field-verify and mark up existing single line drawings needed to perform an accurate study.

In the event single-line drawings are not available, Contractor shall develop single-line drawings to reflect the as built configuration of the facility electrical system. Gather and document necessary system data required to complete the study. Data should include but is not limited to (as applicable): Location (building, room, etc.) Equipment Identification Equipment Information Manufacturer, Model, Catalog Number and Type Equipment Rating (Voltage, Ampacity, Interrupting Rating, etc.) Configuration (Main Lug, Main breaker, Number of breakers, etc.) Overcurrent Protection Relaying Type, Manufacturer, Function(s), CT and PT ratios, etc. Fuses Type, Manufacturer, Rating, etc. Existing Settings Cable Type, Size and Length (lengths are to be field confirmed) Cable Busway Type, Manufacturer, Rating and Length Motor Load and Contactor Data (record data and application for motors 25 HP and above) Contractor must coordinate with facility engineering staff to obtain necessary power company data such as minimum and maximum fault currents as well as X/R ratios.

Correspondence documenting utility data shall be included in the final submittal. Data collection requires the removal and/or opening of equipment to field verify data. Data collection requires observing each piece of equipment covered by this study.

Contractor shall record and report any deficiencies, such as missing identifying labels, warning labels, non-functioning latches or locks, missing hardware (covers, screws, breaker blank fillers, etc.), etc. Short Circuit Study Contractor shall use field-verified single line drawings and data to perform a three-phase bolted fault short-circuit momentary and interrupting duties system short circuit calculation for the facilities electrical system.

The calculations shall be conducted in accordance with applicable ANSI C37.010, C37.5, C37.13, NFPA 70E, NEMA, and NEC standards and codes. At a minimum the following location shall be included: Electric utility supply termination point. Incoming switchgear.

Unit substation primary and secondary terminals. Low voltage switchgear. Motor control center Standby generator and automatic transfer switch.

Branch panelboard. The study shall identify and report data used in the calculations in both descriptive terms (cable wire size, motor hp, transformer kVA and impedance, etc.) and impedance values. Transformer nameplate impedance shall be used when available.

A section of the study shall be devoted to verification of equipment duty ratings identifying whether equipment is within or operating outside it interrupting rating. Short circuit calculations must be tabulated and included with the project submittals. Protective Device Coordination Study Contractor shall provide a Protective Device Coordination Study to determine satisfactory setting and ratings for the facility s major protective devices in accordance with applicable industrial standards such as ANSI/IEEE 399 and ANSI/IEEE 242.

Coordination Study results must include time-current curves (TCC) supporting findings and recommendation to be provided with project submittals. Deficiencies in device settings or-rated equipment are to be noted in the report. Protective device settings are to be tabulated separately and included within the report.

Arc Flash Hazard Analyses Contractor shall perform an Arc Flash Hazard Analyses in compliance with IEEE 1584, NFPA 70 and NFPA 70E. Flash protection boundary and incident energy levels shall be calculated at all significant locations in the electrical distribution system. Incident energy calculations must consider multiple system scenarios (normal) to establish the worst-case incident energy level for each equipment studied under this study.

Additionally, calculations should emphasize a conservative approach for the protection of personnel. Incident energy and flash protection boundary calculations results must be tabulated and included with project submittals. Protective Device Settings Contractor shall set adjustable protective devices to reflect proposed settings identified in the Protective Coordination Study.

This must be coordinated with facility engineering staff as certain device settings can only be performed during a power outage. Equipment Labeling and Miscellaneous Work Contractor shall provide and install arc flash warning labels for designated electrical devices evaluated under this study. All arc flash labels shall comply with NFPA 70E and include: Equipment name or identifying designation Nominal voltage Flash hazard boundary Hazard r

The description continues in the official notice.

Contracting contact

• Derrick Paquette · [email protected] · 414-844-4800

As published on the official notice. Ask questions in writing and before any questions deadline the notice sets.

Is your business small enough?

For NAICS 541350, a business counts as small if it has no more than $11.5 million in average annual receipts (SBA size standard). This notice is not set aside, but the size decides your small business status on it. SBA table, current as of Oct 15, 2026.

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About the buyer

The Department of Veterans Affairs awarded $84.6 billion in contracts in the last 12 months; its biggest suppliers were Optum Public Sector Solutions, Inc., Mckesson Corporation and Triwest Healthcare Alliance Corp. See what VA is buying now.

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