Tags: Generator Power | Diesel Engine | Backup Power | Transfer Switch Batteries | Lead-Acid Batteries| Codes Inspection | Preparedness Testing
Requirments for remote annunciators at healthcare facilities can be found in NFPA 99, 2012 edition, chapter 220.127.116.11.1.17
Electrical Systems – Essential Electric System Maintenance and Testing
Source of this material here.
The generator or other alternate power source and associated equipment is
capable of supplying service within 10 seconds. *If the 10-second criterion is
not met during the monthly test, a process shall be provided to annually
confirm this capability for the life safety and critical branches*. Maintenance
and testing of the generator and transfer switches are performed in
accordance with NFPA 110.
Generator sets are inspected weekly, exercised under load 30 minutes 12
times a year in 20-40 day intervals, and exercised once every 36 months for
4 continuous hours. Scheduled test under load conditions include a
complete simulated cold start and automatic or manual transfer of all EES
loads, and are conducted by competent personnel. Maintenance and
testing of stored energy power sources (Type 3 EES) are in accordance
with NFPA 111. Main and feeder circuit breakers are inspected annually,
and a program for periodically exercising the components is established
according to manufacturer requirements. Written records of maintenance
and testing are maintained and readily available. EES electrical panels and
circuits are marked, readily identifiable, and separate from normal power
circuits. Minimizing the possibility of damage of the emergency power
source is a design consideration for new installations.
6.4.4, 6.5.4, 6.6.4 (NFPA 99), NFPA 110, NFPA 111, 700.10 (NFPA 70)
*Fire marshals/state surveyors interpret this sentence as a requirment for documentation. They have been issuing tags for this. Just right it down on your monthly inspection log.
I provide basic information on most common systems and specific information on some. While I cannot tell you how to make repairs or do installations, I can outline installation issues, provide details about code requirements, and give you insight about industry practices.
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What is an Emergency Power Supply System
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