Orange County NC Website
ORANGE COUNTY 230923-3 <br /> <br />Emergency Management Warehouse Building Dehumidification Extension of Existing Direct Digital <br /> Control System for HVAC <br /> <br />Data Communications Protocol Certificates: 1 <br /> 2 <br />For extension of an existing DDC system that utilizes the BACnet communications protocol, certify that 3 <br />each proposed DDC system component complies with ASHRAE Standard 135-2012 and is BACnet 4 <br />Laboratory tested and certified. 5 <br /> 6 <br />For extension of an existing DDC system that utilizes LonWorks technology using CEA-709.1-C as the 7 <br />communications protocol, each proposed DDC system component shall be certified by LonMark 8 <br />International. 9 <br /> 10 <br />Closeout Submittals: 11 <br /> 12 <br />Operation and Maintenance Data: For HVAC instrumentation and control system to include in 13 <br />emergency, operation, and maintenance manuals. In addition to items specified in Division 01 Section 14 <br />"Operation and Maintenance Data," include the following: 15 <br /> 16 <br />Maintenance instructions and lists of spare parts for each type of control device and compressed-air 17 <br />station. 18 <br /> 19 <br />Interconnection wiring diagrams with identified and numbered system components and devices. 20 <br /> 21 <br />Keyboard illustrations and step-by-step procedures indexed for each operator function. 22 <br />Inspection period, cleaning methods, cleaning materials recommended, and calibration tolerances. 23 <br /> 24 <br />Calibration records and list of set points. 25 <br /> 26 <br />Software and Firmware Operational Documentation: Include the following: 27 <br /> 28 <br />Software operating and upgrade manuals. 29 <br /> 30 <br />Program Software Backup: On a magnetic media or compact disc, complete with data files. 31 <br /> 32 <br />Device address list. 33 <br /> 34 <br />Printout of software application and graphic screens. 35 <br /> 36 <br />Software license required by and installed for DDC workstations and control systems. 37 <br /> 38 <br /> 39 <br />PART 2 - PRODUCTS 40 <br /> 41 <br /> 42 <br />SYSTEM DESCRIPTION 43 <br /> 44 <br />Control system shall be an extension of the existing Siemens Control Cystem. 45 <br /> 46 <br />Provide extension to the Owner’s existing direct digital control system utilizing the Owner's network system 47 <br />consisting of existing server, LAN/WAN, and server-resident network software. 48 <br /> 49 <br />Control system shall consist of sensors, indicators, actuators, final control elements, interface equipment, other 50 <br />apparatus, accessories, and software connected to distributed controllers operating in multiuser, multitasking 51 <br />environment on a token-passing network and programmed to control mechanical systems. 52 <br /> 53 <br /> 54 <br />JOB CONDITIONS (ENVIRONMENTAL CONDITIONS OF OPERATION) 55 <br /> 56 <br />LAN hardware shall be designed to operate in ambient conditions of 65 to 90 degrees F at a relative humidity of 57 <br />20 to 80 percent, non-condensing. 58 <br /> 59 <br /> 60 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951