1 EXISTING TEMPERATURE CONTROL PANELS FOR SYSTEMS ARE TO BE REUTILIZED WHERE SHOWN. FURNISH NEW MOUNTING BACKPLATE TO HOUSE ALL NEW DDC AND ASSOCIATED RELAYS, POWER SUPPLIES, ETC. AND REPLACE CONTENTS OF EXISTING CONTROL PANEL AT SYSTEM SWITCHOVER. WHERE ENCLOSURE IS INSUFFICIENT FOR DESIGN NEEDS, FURNISH ADDITIONAL CONTROL PANELS AS NEEDED. 2 EXISTING CONDUIT AND RACEWAY FOR HVAC CONTROLS WIRING MAY BE REUSED. REUSE OF CONTROL WIRING BETWEEN TEMPERATURE CONTROL PANEL AND FIELD DEVICE MAY BE REUSED IF DEEMED IN GOOD CONDITION AND MEETS SPECIFICATION OF DISTECH DDC AND ASSOCIATED FIELD COMPONENTS. 3 PROVIDE DEMOLITION OF ALL EXISTING DDC, POWER SUPPLIES, PNEUMATIC TUBING, WIRING, AND ASSOCIATED CONTROLS COMPONENTS THAT ARE TO BE REPLACED AS PART OF THE PROJECT. MAINTAIN INTEGRITY OF EXISTING DDC COMMUNICATION TRUNK FOR CONTINUATION OF SERVICE DURING PHASED APPROACH TO DDC REPLACEMENT. 4 METASYS NETWORK AUTOMATION ENGINES (NAE) SHALL BE REMOVED LAST, AFTER ALL DDC HAS BEEN CONVERTED TO DISTECH, AND TURNED OVER TO OWNER.
