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Mechanical & Electrical Services <br />CHP L <br />Combustion Heat & Power <br />A Division of NAC <br />Current Solution: NAC proposes to continue building on existing Alerton Automation system <br />furnishing and installing to replace the failing pneumatics and legacy Johnson system. <br />Alerton System Features: <br />• Powerful alarm management through interactive alarm table allowing for sorting, filtering, <br />categorizing. <br />• Configurable tree -style navigation provides intuitive and guided browsing sessions <br />• LDAP integration for managing user authentication <br />• Create systems that are easy to upgrade and improve <br />• TRENDLOGS View trend logs in graph or text format with multiple points per log. Archived in <br />database format for compatibility with office applications. <br />• A wide range of building management tools are available, some including: <br />- Temperature and humidity monitoring <br />- Display capability <br />Scheduling <br />- Alarms <br />- Optimum start <br />- Tenant activity <br />- Zones <br />Reporting and printing <br />- Auto archiving <br />Option #1 Controls Base Bid Scope of Work: <br />• NAC will replace the existing obsolete Johnson DX 9100 Controls with new Alerton Controls <br />o Boiler Plant (1) <br />• Burnham Boilers (2) <br />• K&N Boiler (1) <br />• Building Hot Water Pumps (2) <br />o AHUs (4) <br />• DDC Control Valves to remain as existing <br />• NAC will replace the existing Johnson FX -60 controller with a new Alerton controller <br />• Reuse existing DDC System wiring, devices, enclosures, actuators, relays, transformers etc. will remain and <br />be reused <br />• Tie in existing Alerton VAVs (8) in City Hall <br />• Alerton BAS Operator Interface (1) <br />o Alerton BAS workstation/computer & software <br />o NAC will provide BAS programming, graphics, checkout, & owner training <br />o NAC will coordinate setup & installation with Building Owner <br />NAC Controls Upgrade/Enhancements $ 71,595.00 <br />www.nac-hvac.com, 24 Hour Service <br />An Affirmative Action, Equal Employment Opportunity Employer <br />Direct (651) 255-3527 Fax (651) 490-1636 Cell (651) 230-8971 Email skotzmacher@nac-hvac.com <br />HVAC Mechanical - Building Automalion - Electrical - Plumbing - Sheet Metal - Preventative Maintenance - Service Repairs - Combustion Services - Communications <br />