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Exhibit A City of Santa Ana <br />Scope of Work Phase II <br />Siemens Building Technologies, Inc. <br />1.9.4. Controls Upgrades <br />Total price for this portion of the Work is $98,229 <br />City Facilities <br />City Hall- Ross Annex <br />Corporate Yard <br />Transportation Center <br />Scope of Work: <br />Citv Hall -Ross Annex <br />• The building currently has three (3) Trane rooftop package units <br />• Sub-contract to Trane for installing Intellipak into each rooftop unit <br />• Provide conduit & wire connecting the three rooftop units to a Building Control Unii <br />(BCU) panel furnished by Trane <br />• Mount BCU panel for communication to the Rooftop units <br />• BCU to be mounted on roof in weather-proof enclosure <br />• Mount a Mechanical Equipment Controller (MEC) in weather-proof enclosure next to <br />BCU and nipple conduit and wire for communications <br />• Run communication line & Floor Level Network (FLN) from MEC on roof down to <br />ground floor Terminal Equipment Controller (TEC). <br />• .Use FLN line from TEC to workstation in City hall as a pull string to install new Area <br />Level Network (ALN) communication line <br />Corporate Yard <br />• There are 3 package units on the roof of the Fleet Building <br />• Provide TEC control & new t stats for each unit. <br />• Run communication line from units to existing TEC in electric room # 217 <br />• TEC is connected to warehouse control system <br />Transportation Center <br />• There are 76 standalone package fan coil units in the building <br />• Some of the units are on time clocks, the balance have no control <br />• Provide start/stop/status of each fan coil unit <br />• Control of unit to be at the beaker panels <br />• Panels are located as follows, 1st floor (28 units), 2nd east (16 units), 2nd west (16 <br />units), 3rd (16 units). <br />• Communication line to be run from first floor to 3rd <br />• First floor communication room has phone line and breaker panel <br />• MEC with relays to be located at each breaker panel <br />• First floor panel to have modem for connection to central workstation <br />25D-28 <br />