25L - AGMT HVAC AIR-HANDLING SYSTEMS REPLACEMENT AT SNA REG TRANS CENTER

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• The existing Siemens EMS control points for all equipment relevant to this project shall be maintained and verified when construction is completed. • A new on/off status control point(s) shall be incorporated into the existing Siemens EMS for the new VFD control. • Additional Siemens control points are to be determined by the City. New Controls System — Pricing to be provided by Contractor as Option D Contractor is to provide this pricing as incremental cost, hi other words, the cost beyond Base Option. • The Contractor is to provide equipment that is compatible with DEC Siemens management system (Insight or newer) • Replace the fan coil controllers on remaining (20) units with new DDC controllers that were not covered in the Base Option. The quantity of (20) remaining fan coils is to be verified by the Contractor • The Contractor will furnish new DDC chilled water valves and DDC heating hot water controls valves for remaining (20) fan coil units that were not covered in the Base Option. • The Contractor will furnish new DDC zone temperature sensors for units • The Contractor will upgrade the existing Siemens controller (or provide new, as needed) and upgrade graphics and programming, as needed • Contractor to provide water balancing report to City • System startup and commissioning • The new controls system will integrate All HVAC building systems, including all fan coil units, chiller, chilled water pumps, heat rejection equipment, etc. ,Additional (2) Fan Coil Replacement — Pricing to be provided by Contractor as Option E Contractor is to provide this pricing as incremental cost. In other words, the cost beyond Base Option. • Contractor to replace (2) additional fan coil units, #16 and #18 which serve suite 103. • These additional (2) fan coil units are to be installed in accordance to all scope items for the fan coils identified in the Base Option. City of