Specifications - City of Montpelier, Vermont

Montpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Title:15900 – Direct Digital Control SystemPage #:40 of 4011. System Operating Procedures.12. Programming Procedures.13. Maintenance Procedures.D. Training III. The third training will be conducted onsite six months after occupancyand consist of two 2hour sessions of training. The sessions will be structured toaddress specific topics that trainees need to discuss and to answer questions concerningoperation of the system.E. The owner will assign a total of 6 individuals to receive training. All appropriatemanuals must be provided.F. Controls Commissioning:1. At the end of the construction phase, commission the building in the presence ofa representative of the Owner. At this time, demonstrate that all controlcomponents operate properly by illustrating their operation via a Contractortechnician operating the host terminal to verify the status of each point with aseparate technician at the point being verified, with twoway communicationbetween technicians. To verify each point:a. The technician at the terminal will communicate the status of the point tothe technician at the point. The technician at the point will verify,through observation or measurement, whether the status is correct.b. The technician at the terminal will then cause the status of the point tochange, and the technician shall verify:1.) The status of the point did change, through observation ormeasurement.2.) The status changed in the correct direction.2. Correct any deficiencies encountered, and reverify. Record any changes in theproject record documents.3. Work with balancing contractor to calibrate all DDC flow monitoringcomponents.4. Approximately 68 months after the date of Substantial Completion coordinatewith the Owner and return to the building and recommission the buildingincluding:a. Modification of the control sequences and operations to fine tune thesystems per the requirements of the Owner.b. Verification of the proper operation of all control components andsoftware.c. Modification of the project record documents to reflect all changes andrevisions made to date.END OF SECTION 15900DIRECT DIGITAL CONTROL SYSTEMS1597240