Description
The State of Michigan is seeking a contractor to provide HVAC improvements at the Central Michigan Correctional Facility. The project includes the installation of a surge protection system for low-voltage electrical power. The system must meet specific requirements, including UL 1449 and UL 1283 listings, and must be designed and manufactured by a company that is ISO 9001 certified. The contractor must provide a 10-year warranty for the system and must have a factory-employed service engineer available for field service. The system must also have a number of features, including an audible alarm, an event counter, and a summary alarm relay.
• The system must be designed and manufactured in compliance with specific standards, including CSA, ANSI/IEEE, and UL.
• The system must have a surge current capacity of at least 200 KA/Phase on distribution panels less than 400 Amps.
• The system must have a maximum continuous operating voltage of at least 115% of the nominal system operating voltage.
• The system must have an operating frequency range of at least 47 to 63 Hertz.
• The system must have protection modes for all lines, including L-N, L-L, and L-G.