Hugh O. Nash, Jr. PE, FIEEE, FASHE
Consulting Electrical Engineer

Selected Projects


Our Lady of the Lake – Baton Rouge, LA

Paralleled 6-1750 kW 13.2 kV generators and new main and paralleling switchgear with provisions for synchronizing generators with electric utility. Replace existing hospital 4000A 480Y/277V double-ended main-tie-main switchgear, and installed 2-1750 essential system generators with paralleling switchgear. Replace hospital essential system transfer switches.


Baptist Hospital – Nashville, TN

Parallel operation of 3-1600 kW units with Nashville Electrical Service secondary network


Wright Patterson Air Force Medical Center – Dayton, OH

$150 million addition including 2-600 kW (480V) paralleled, 2-2000 kW (EMD locomotive engines, 4.16 kV) paralleled


St. Thomas Hospital – Nashville, TN

Paralleling systems modifications – replaced 2-900 kW units with 2-1750 kW Modified existing synchronizing gear for 4-1750 kW with chillers served from the standby generators and utility paralleling for utility load reduction.


Wake Forest University Baptist Medical Center – Winston-Salem, NC

Three new 2000 KW 4160V standby generators with paralleling switchgear to replace four existing 480V generators. System serves Cancer Center, Ardmore Towers, Reynolds Tower, centrifugal chillers, and central plant.


Columbia/HCA Information Services Center – Nashville, TN

3-750 kW generator installation and synchronizing system and redundant 3-500 KVA UPS system, and telecommunications


Columbia/HCA – Nashville, TN

Y2K Preparedness Report and Protocol to help 200 hospitals improve their readiness.


Corporate Computer Center, Order of St. Francis - Peoria IL

Original design and upgrade for blade servers.

VA Medical Center, Nashville, TN

$4.5 million electrical project

Replacement of existing normal and emergency switchboards, including the replacement of the existing Nashville Electrical Service transformers and main switchboard with two 2-2000 KVA transformer networks, each feeding a double-ended (main-tie-main) service switchboard.


Northwestern Memorial Hospital – Chicago, IL

Provided complete systems design for $300 million (GC) hospital, telecommunications portion was $15 million. Telecommunications systems design including voice/data/wireless infrastructure, nurse call, overhead paging/intercom, CCTV/security/access control, PBX, EMS Radio, and LAN/WAN hardware.


Level 3 Communications – St. Louis

Upgrade, including new STS/PDUs, 500 KVA UPS addition, and 8000 SF Raised Floor Addition for existing Co-location Facility. Provided coordination study.


Hammond Developmental Center - Hammond, LA

2000 KW, 13.8 KV Standby Generator with 10,000 and 4000 gallon fuel tanks and modification to the existing 13.2 KV switchgear and controls and breaker for a second (future) 2000 KW unit.

Children’s Hospital – New Orleans, LA

Designed modifications to the existing hospital essential system generators which consisted of 2-750 KW generators paralleled at 480V and a second system consisting of 3-750 KW generators paralleled at 480V. The paralleling systems were combined to provide for the parallel operation of 5-750 KW generators on a common split bus. The system effectively provided sufficient capacity for the operation a an additional 900-ton centrifugal chiller on the essential system. This additional capacity and redundancy was made available without the addition of a single KW of generator capacity and saved the hospital over a million dollars.


Vanderbilt University Medical Center – Nashville, TN

Replaced 4.16 KV switchgear and distribution system for Medical Center North


Forensic Studies and Court Testimony for Hurricanes Allison (Houston) and Katrina (New Orleans)




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