Supervisory of Elections HVAC Replacement Project

SCOPE OF WORK To replace Air Handling and Humidity Control Units per the project requirements provided below: a. Furnish and install chilled water Air Handling Unit per plans (Exhibit 1) and specifications per Exhibit 2. b. Reference drawings for existing conditions are included in (Exhibit 7) Page 2 of 5 c. New chilled water valve to be provided by controls contractor and installed by mechanical contractor on chilled water return piping. (Belimo Energy Valve) Remote temp sensor-well to be installed on the supply line by mechanical contractor. d. Process piping shall be insulated per Exhibits 3, 4, 5. e. Provide new double wall supply and return ductwork, air distribution devices, dampers and actuators. f. Electric Duct heater shall be SCR type and installed down-stream of the cooling coil. g. Provide and install new thermometers and pressure gauges on supply and return chilled water lines for each air handler. h. Provide new equipment identification tags .label all water lines, ductwork, accessories, etc. consistent with existing identification, where necessitated by replacement (i.e. chilled water / return water, etc.). i. Provide and install a new existing identification, where necessitated by replacement (i.e. chilled water / return water, etc.). Include directional flow arrows. j. New Variable frequency drive with integral bypass to be provided by the controls contractor and installed by the electrical contractor. (ABB ACH580 or equivalent) Shall be wallmounted with motor overload protection capable of servicing multiple fans as identified in AHU specs. k. Controls: Shall be Automated Logic by Wisch and Jackson. Contact John Walker (561) 353-8109 for pricing information if not included in the bid package. 1. Controls will be native BACnet and connect to the existing Palm Beach County Automated Logic Enterprise Building Management System. See Exhibit 6. 2. Controls will be programmed to meet the sequence of operation specified in the plans and specifications. 3. Equipment and floor plan graphics will be updated to represent the new equipment/zoning. 4. Alarms and trends will be set up in concert with the facilities existing equipment. 5. (Exhibit 8 - Wisch & Jackson Controls Proposal) l. All penetrations, joints, taps, splices, re-insulation, re-connections shall be sealed and patched to meet code requirements. m. Document system pressure test and balanced, recalibrated before running load amps, and provide County the test and balance report by third- party licensed HVAC contractor. n. The contractor will provide "As-Built" documents including drawings and equipment specification, manufactures warrantees, and building permit certificate of completion. o. System shall be started after installation is complete, and tested & balanced for proper Page 3 of 5 operation with County Project Manager (PM) present. The testing and balanced report shall be performed by a 3rd party inspection & licensed company. p. Provide all necessary piping, electrical, control wiring to make the system fully operational per manufacture specifications. q. All new air handlers to be engineered & fit with Merv # 13 air filters at substantial completion. PBC-FMD shall be provided 6-months supply of Merv filters. r. A drywell shall be installed outside of the building for condensate discharge. Condensate discharge shall be copper. s. Interior process piping as required to match existing. t. Isolation valves on supply and return to be installed on mechanical piping