Renovation of a library in Pewaukee, Wisconsin. Completed plans call for the renovation of a library.

The Library is seeking a qualified contractor to remove and replace the existing Direct Digital Control System with a new DDC Building Automation System to control the HVAC systems within the building. The Library desires to remove and replace the existing Direct Digital Control System with a new DDC Building Automation System to control the HVAC systems within the building. Attached to this document are the original Controls submittal and the original Design Drawings that show both the HVAC equipment and the Controls to allow for a like-for-like replacement. It is anticipated that, at a minimum, the following items be included in part of the BAS Contractor's scope of work. The bidding contractor shall be a firm specializing and experienced in DDC control installation for no less than five years. Appendix A and Appendix B provide information on the Library's original and current system designs. Substantial Completion Date: October 1, 2026. Completion Date: October 15, 2026 The scope shall include material, labor, engineering, software, permits, tools, checkout, and certificates covering the following: o Provide a complete replacement Direct Digital Control System by Alerton, Andover, Automated Logic, Carrier, Delta, Honeywell, Schneider Electric, Siemens, Staefa, TAC, or Trane (or Approved Equal), and installed by a licensed Control Contractor. o New front end Operator Workstation, including new license and software for onsite control of the Building Automation System. The new BAS shall have web access to allow use from any device. o Provide programming, graphics, and commissioning of the new control system, including functional performance tests and point to point verification of the system. Functional performance tests and point to point verification results shall be provided to the Owner. Graphics shall show both setpoints and room temperatures to give feedback on which zones are not meeting setpoint. o The existing control panels, field wiring, conduit, and raceway may be reused, if it is applicable to the new BAS layout and design. The BAS Contractor shall provide any additional panels or field wiring required. o The existing field control devices, such as transformers, actuators, valves, relays, freezestats, and sensors (other than room temperature sensors) may be reused. o Furnish and install (25) new digital communicating touchscreen, wall zone temperature sensors to replace the existing thermostats, in the same location. Existing conduit and back boxes may be utilized. Zone temperature sensors shall have lock out provisions or setpoint adjustment limitations programmed to allow certain public facing thermostats to not be able to be adjusted by the public, or only minimally adjusted. o Furnish and install (25) new VAV terminal box controllers with all required temperature sensors. o Furnish and install new Master Controller front end with Web Access and power supply. o Furnish and install new field controller(s) for the control of the (2) boilers, (2) hot water pumps, (1) A/C, (1) AHU and associated components, and (2) Hot Water Valves. o Furnish and install (2) relays and (2) current sensors to control start/stop and monitor status of the (2) boiler pumps that cannot currently be controlled or seen by the BAS. o Furnish and install low voltage wiring modifications as needed to all controller locations. o Furnish and install new hot water supply and hot water return temperature sensors. o Any other requirements as noted in the Attachments to provide a new DDC Building Automation System. o Recommendations for any sequence of operations adjustments to maximize efficiency of the existing HVAC systems. o Installation shall be turnkey, with all requirements provided by this Contractor. Provide any electrical or low voltage requirements for any new controllers or equipment. o Provide Operation & Maintenance (O&M) Manuals with all applicable equipment, sequences, devices, warranty information, and control diagrams for the Owner's reference.